TWM494998U - Vertical transformer winding rack - Google Patents

Description

Vertical transformer winding frame

This creation is a vertical transformer winding frame, especially for a choke that can be used as a power factor conversion (PFC). It can stand upright on the transformer winding frame on the circuit board and reduce the area occupied by the circuit board. .

Conventional transformers or chokes require at least one set of input coils and at least one set of output coils to be wound on a bobbin, and then the iron cores respectively penetrate the conduction paths formed by the two sets of coils. Generally, for a coil winding machine, the winding frame of the transformer is more efficient in horizontal winding, because in the case of the same coil length, the horizontal winding can have fewer turns and a higher voltage. In the case of a transformer or a current transformer with a large current, it is often required to have a large volume due to the problem of electrical safety, resulting in a considerable area or space on the circuit board.

To this end, the manufacturer has wound the input coil and output of the transformer on a coaxial winding frame. As shown in Fig. 1, it is a conventional coaxial horizontal winding transformer, which can reduce the volume of the transformer. However, when designing a transformer, the manufacturer will design a wide, thin or circular shape depending on the space requirements of the circuit board or the electronic device, as shown in the thin-shaped transformer of Figure 2, but the transformers of these shapes The area occupied by the board is still large, and for increasingly smaller electronic products, There is a lot of room for improvement. Therefore, the author of the creation, according to the practical needs, the traditional transformer is further improved to design an upright transformer structure, which can effectively reduce the area of the circuit board occupied by the transformer.

The main purpose of this creation is to provide a vertical transformer winding frame that can use a more efficient horizontal winding method for the winding frame, and the vertical transformer winding frame can reduce the area occupied by the circuit board according to the demand. Moreover, the transformer winding frame can fully comply with the electrical safety regulations of the transformer.

In order to achieve the above objectives, the main technical feature of the present invention is to provide a vertical transformer winding, comprising: a winding portion and a pin portion, wherein the winding portion has a central hollow column and two side plates, and is completed. a glyph, the central hollow of the column can be placed into the middle column of at least one iron core, and the outer surface of the column between the two side plates can be wound by at least one first coil and at least one second coil; wherein the pin portion The first terminal block and the second terminal block are respectively disposed at the lower ends of the two side plates, wherein the left and right sides of the one side plate respectively form a routing channel extending downwardly to the first terminal block, and the other side plate A wire trough is formed on the left and right sides to extend downwardly to the second terminal block, and a first hole is formed between the first and second terminal blocks and the two side plates for placing the column on the side of the iron core. The lower surface of the first and second terminal blocks is provided with a plurality of electrical pins.

In order to achieve the above objectives, the secondary technical feature of the present invention is to provide the above-mentioned vertical transformer winding frame. When the two iron cores are combined with the winding frame, the middle pillar of the iron core is combined with the central hollow of the cylinder column. The iron core has one side column joined through the through hole, and the other side column of the iron core is combined on the top side side of the two side plates.

In order to achieve the above objectives, another technical feature of the present invention is to provide the above-mentioned stand. The transformer winding frame, wherein one side of the one side plate is provided with two first guiding plates, and the outer side surface of the other side plate is provided with two second guiding plates, and the first and second guiding plates extend downward to The inner edge of the two-way channel of the side panel. And the shape of the first and second guiding plates on the side plate substantially conforms to the shapes of the two side edges of the iron core, so that the iron core can be accommodated between the two first and second second guiding plates.

In order to achieve the above objectives, another technical feature of the present invention is to provide the above-mentioned stand. The transformer winding frame, wherein the outer edges of the two routing channels of the two side plates are respectively formed with a side baffle, and the connecting portions of the two side plates and each side baffle are respectively provided with an outlet concave portion, and the routing channel is adjacent to each other. A slope surface is formed at the outlet recess, so that the outlet ends of the first and second coils are led out by the outlet recesses, and smoothly pass through the routing channels to the first and second terminal blocks, respectively connected to one of the electrical connections foot.

In order to achieve the above objectives, a technical feature of the present invention is to provide the above-mentioned stand. a transformer winding bobbin, wherein the lower side surface of the first and second terminal blocks form different stepped shapes between at least two adjacent electric pins; and at least two phases of the lower side surfaces of the first and second terminal blocks A convex plate is arranged between the adjacent two electric pins.

In order to achieve the above objectives, a technical feature of the present invention is to provide the above The vertical transformer winding frame further comprises at least one metal clip, has a U-shape, is clamped to the side edge of the first or second terminal block, and one of the free ends of the metal clip is electrically connected to one of the electrical connections The outer side surface of the other free end is in electrical contact with the iron core, and the electric pin is a ground potential end, so that the iron core is grounded.

10‧‧‧Transformers

11‧‧‧ Winding frame

111‧‧‧Winding Department

112‧‧‧foot

113‧‧‧column

114‧‧‧ side panels

1141‧‧‧First guide board

1142‧‧‧ sloping plate

1143‧‧‧Second guide

115‧‧‧First terminal block

116‧‧‧second terminal block

117‧‧‧Line channel

118‧‧‧through holes

119, 1191, 1192, 1193, 1194, 1195‧‧‧ electric pins

12‧‧‧ iron core

121‧‧‧中柱

122‧‧‧ side column

123, 124‧‧‧ iron core side edges

130‧‧‧ side baffle

131‧‧‧Outline recess

132‧‧‧ convex plate

133‧‧‧Metal clips

1331‧‧‧ hole

Figure 1 is a schematic diagram of a conventional coaxial horizontal winding transformer.

Figure 2 is a schematic diagram of a conventional thin transformer.

Fig. 3 is a perspective view showing an embodiment of the separation of the vertical transformer bobbin and the iron core.

Figure 4 is a perspective view of the first perspective of the embodiment of the present invention.

Figure 5 is a perspective view of the second perspective of the embodiment of the present winding frame.

Fig. 6 is a first perspective view showing the embodiment of the present winding bobbin combined with the iron core.

Figure 7 is a second perspective view showing the combination of the embodiment of the present winding frame and the iron core.

Figure 8 is a perspective view of the third perspective of the embodiment of the present invention.

Please refer to FIG. 3 first, which is a perspective view of an embodiment of the separation of the vertical transformer winding frame and the iron core. The vertical transformer 10 of the present embodiment includes a bobbin 11 and two cores 12. The bobbin 11 includes a winding portion 111 and a pin portion 112. The winding portion 111 is located at the pin portion 112. At the upper end, the two cores 12 are located on the front and rear sides of the bobbin 11, and are coupled to the bobbin 11. As shown in FIG. 3, the winding portion 111 of the present invention has a central hollow column 113 and two side plates 114 in an I-shape. The center hollow of the column 113 can be placed in the center pillar 121 of the iron core 12. And the outer surface of the column 113 between the two side plates 114 can be wound by at least one first coil and at least one second coil (not shown). Since the winding portion 111 of the present invention is located at the upper end of the leg portion 112, the entire bobbin 11 is in an upright shape.

Please refer to FIG. 3, FIG. 4 and FIG. 5 together. FIG. 4 is a perspective view of the first (front side) perspective of the embodiment of the present winding frame, and FIG. 5 is the second (rear side). Stereoscopic view of the perspective. The pin portion 112 of the present bobbin 11 has a first terminal block 115 and a second terminal block. 116, respectively disposed at the lower ends of the two side plates 114 of the winding portion 111, and two routing channels 117 are formed on the left and right sides of the one side plate 114 to extend downwardly to the first terminal block 115, and in another The left and right sides of the side plate 114 also form two wire troughs 117 extending downwardly to the second terminal block 116. A uniform hole 118 is formed between the first terminal block 115 and the side plate 114 connected thereto, and between the second terminal block 116 and the side plate 114 connected thereto, for placing the side column of the at least one core 12 122 (as shown in Figure 3). The lower surface of the first terminal block 115 and the second terminal block 116 is provided with a plurality of electrical pins 119.

In the embodiment of the present creation, as shown in Figures 3 and 6, the sixth picture is created. A first perspective view of the combination of the bobbin and the core. The iron core 12 of the present invention has two cores 121 and two side pillars 122. When the two iron cores 12 are combined on the winder frame 11, the center pillars 121 of the two iron cores 12 pass through the cylinder column 113. The central hollow inner phase is combined, and the lower side pillars 122 of the two iron cores 12 are joined through the through holes 118, and the upper side pillars 122 of the two iron cores 12 are combined on the outer side of the top ends of the two side plates 114.

As shown in Fig. 4, one side plate 114 of the present winding frame 11, such as the front side The outer surface of the plate has two first guiding plates 1141 and two inclined plates 1142, wherein the two first guiding plates 1141 respectively correspond to the two sides of the central hollow of the column 113, and respectively extend downward to the side plates thereof. The inner edge of the two-way channel 117 on both sides of the 114 is extended to the first pin 115. The two slanting plates 1142 are located at the upper ends of the outer side surfaces of the side plates 114, respectively corresponding to the two sides of the central hollow of the column 113, and each swash plate 1142 is spaced apart from the same side first guiding plate 1141 by a distance.

As shown in FIG. 6, when the iron core 12 is coupled to the bobbin 11, the two first guides The shape of the lead plate 1141 on the side plate 114 substantially conforms to the shape of the left and right side edges of the iron core 12, so that the iron core 12 can be accommodated between the two first guiding plates 1141 to increase the first coil (not shown) Shows the electrical safety distance between the core 12 and the core 12 . And when the iron core 12 is accommodated between the two first guiding plates 1141, two The spacing between the first guiding plate 1141 and the two slanting plates 1142 may expose a portion of the side edge 123 of the core 12, so that a glue may be added between the side edge 123 of the exposed core 12 and the side plate 114 to The iron core 12 and the side plate 114 are bonded.

As shown in Fig. 5, the other side plate 114 of the present winding frame 11, such as the rear side plate The outer side surface has two second guiding plates 1143 respectively corresponding to the two sides of the central hollow of the column 113, and respectively extending downward to the inner edges of the routing channels 117 on both sides of the side plate 114, and connected to The second pin stage 116. The shape of the two second guiding plates 1143 on the side plate 114 substantially conforms to the shape of the side edge of the iron core 12, so that the iron core 12 can be accommodated between the two second guiding plates 1143 for adding the second coil. The electrical safety distance from the iron core 12 is not shown.

Referring again to Figures 5 and 7, Figure 7 is the creation of the winding frame and A schematic view of the second perspective of the iron core combination. The upper ends of the two second guiding plates 1143 are outwardly expanded from the side edges of the iron core 12 to expose the side edges 124 of the iron core 12 when the iron core 12 is accommodated between the two second guiding plates 1143. An adhesive may be added between the exposed side edge 124 of the core 12 and the side plate 114 to bond the core 12 and the side plate 114.

Please refer to the 4th to 7th drawings together. A side baffle 130 is formed on each of the outer edges of the routing channel 117 of the 114, and an outlet recess 131 is respectively disposed at a joint between the side plates 114 and each of the side baffles 120, so that the first and the first The outlet end of the two coils (not shown) is led out by the outlet recess 131, passes through the routing channel 117 to the first terminal block 115 or to the second terminal block 116, and is respectively connected to one of the electrical pins 119. A slope surface is formed in the routing channel 117 near the outlet recess 131 for allowing the first and second coils (not shown) to smoothly pass through the routing channel 131 to avoid breakage of the coil by an acute angle. .

Please see Figure 8 for a perspective view of the third perspective of the creative winding frame. In the winding frame 11 of the present embodiment, the lower surface of the first terminal block 115 and the second terminal block 116 are formed in different step shapes, so that at least two adjacent electrical pins 119 are respectively disposed differently. On the high and low surfaces, to increase the safety distance between the adjacent electrical pins 119, as shown in Fig. 8, the electrical pin 1191 and the electrical pin 1192 are on different surfaces. A convex plate 132 is disposed between at least two adjacent electrical pins of the lower surface of the first terminal block 115 and the second terminal block 116, and the safety distance of the adjacent intermediate electrical pins 119 is larger, as shown in FIG. A convex plate 132 is formed between the electric pin 1193 and the electric pin 1194.

In the embodiment of the bobbin as shown in Fig. 8, the creation further includes at least one metal The clip 133 is sandwiched on the side edge of the first terminal block 115 or the second terminal block 116. In this embodiment, the side edge of the first terminal block 115 is clamped, and the metal clip 133 is free. The end is longer, the other free end is shorter, and a hole 1331 is provided on the longer free end, so that the electric pin 1195 can penetrate the hole 1331, and the metal clip 133 is pushed to the bottom of the electric pin 1195, which is longer and free. The end is in contact with the lower surface of the terminal block 115, and the shorter free end is pushed into contact with the upper side surface of the terminal block 115, so that the metal clip 133 is fixedly clamped to the side edge of the terminal block 115. The electric pin 1195 can be electrically connected to a ground potential end, so that the metal clip 133 is also electrically connected to the electric pin 1195 to form a ground potential end. When the iron core 12 is coupled to the bobbin 11, The lower side surface of the lower side post 122 can be in electrical contact with the outer side surface of the shorter free end such that the core also forms a ground potential end.

In summary, the present invention provides a vertical transformer winder structure that can be used The more efficient horizontal winding method of the winding frame enables the vertical transformer winding frame to reduce the area occupied by the circuit board according to the demand, and the transformer winding frame can fully comply with the electrical safety regulations of the transformer. The design of the transformer winding frame is different from the design of the well-known person, which can improve the overall use value. It has not been seen in the publication or public use before the application. It has already met the requirements of the new patent, and has filed a patent application according to law.

10‧‧‧Transformers

11‧‧‧ Winding frame

111‧‧‧Winding Department

112‧‧‧foot

113‧‧‧column

114‧‧‧ side panels

118‧‧‧through holes

12‧‧‧ iron core

121‧‧‧中柱

122‧‧‧ side column

Claims (15)

A vertical transformer winding frame comprises: a winding portion having a central hollow column and two side plates in an I-shape, wherein the central hollow of the column can be placed in the middle column of at least one core, and The outer surface of the column between the two side plates can be wound by at least one first coil and at least one second coil; a pin portion having a first terminal block and a second terminal block respectively disposed on the two side plates a lower end of the side panel, wherein the left and right sides of the side panel are formed with two routing channels extending downwardly to the first terminal block, and the left and right sides of the other side panel are formed with two routing channels extending downwardly to the first a two-terminal stage, and a first hole is formed between the first and second terminal blocks and the two side plates for inserting the one side pillar of the at least one iron core, the first and the second terminal block The side surface is provided with a plurality of electrical pins. The vertical transformer winding frame of claim 1, wherein the iron core is two, each having a middle column and two side columns, when the two cores are combined on the winding frame, The center pillars of the two iron cores are combined in the hollow of the center of the cylinder, and one of the two cores is coupled through the through hole, and the other side of the two cores is at the top of the two side plates. Side combination. The vertical transformer winding frame of claim 1, wherein one of the side plates has two first guiding plates on the outer side surface thereof, respectively corresponding to two sides of the central hollow of the column, and Extending downwardly to the inner edge of the two routing channels of the side panel, respectively. The vertical transformer winding frame of claim 3, wherein the outer side surface of the side plate is further provided with two slanting plates respectively corresponding to two sides of the central hollow of the column, and each The swash plate is spaced apart from the first guiding plate on the same side. The vertical transformer bobbin according to claim 4, wherein the shape of the two first guiding plates on the side plate substantially conforms to the shape of the two side edges of the iron core, so that the iron core can be accommodated. Between the two first guiding plates. The vertical transformer bobbin according to claim 1, wherein the outer side surface of the other side plate is provided with two second guiding plates respectively corresponding to the two sides of the central hollow of the column, and respectively Extending downwardly to the inner edge of the two routing channels of the side panel. The vertical transformer bobbin according to claim 6, wherein the two second guiding plates are located on the side plate and substantially conform to the shape of the two side edges of the iron core, so that the iron core can be accommodated. Between the two second guiding plates. The vertical transformer bobbin according to claim 3, wherein the outer edges of the two routing channels of the two side plates are respectively formed with a side baffle, and the connection between the two side plates and each side baffle An outlet recess is disposed, and the outlet ends of the first and second coils are led out from the outlet recesses, and the first and second terminal blocks are connected to the first and second terminal blocks respectively One of the electrical pins. The vertical transformer bobbin of claim 1, wherein the lower surface of the first and second terminal blocks form a stepped shape of different heights between at least two adjacent electrical pins. The vertical transformer bobbin of claim 1, wherein the lower surface of the first and second terminal blocks is provided with a convex plate between at least two adjacent electrical pins. The vertical transformer bobbin of claim 4, wherein when the core is received between the two first guiding plates, the first guiding plate and the inclined plate are exposed A part of the side edge of the iron core may be used to bond the iron core to the side plate. The vertical transformer bobbin of claim 6, wherein the upper ends of the second guiding plates are outwardly expanded from the side edges of the core to expose the side edges of the core. When the iron core is placed between the two second guiding plates, the iron core and the side plate may be bonded by adding adhesive. The vertical transformer winder as described in claim 8 wherein the routing channel is adjacent The outlet recesses are formed with a sloped surface for smoothly passing the first and second coils to the routing channel. The vertical transformer bobbin of claim 1, further comprising at least one metal clip, in a U-shape, clamped to a side edge of the first or second terminal block, and the metal clip One of the free ends of the sheet is electrically connected to one of the electric pins, and the outer surface of the other free end is in electrical contact with the iron core, and the electric pin is a ground potential end, so that the iron core is grounded. The vertical transformer winding frame according to claim 14, wherein the metal clip is located at a free end of the electric pin, and a hole is provided for the electric pin to penetrate the hole to be fixedly clamped. And a side edge of the first or the second terminal block.