CN215955021U - High-voltage direct-current transformer device - Google Patents
High-voltage direct-current transformer device Download PDFInfo
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- CN215955021U CN215955021U CN202122427660.6U CN202122427660U CN215955021U CN 215955021 U CN215955021 U CN 215955021U CN 202122427660 U CN202122427660 U CN 202122427660U CN 215955021 U CN215955021 U CN 215955021U
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Abstract
The utility model relates to a high-voltage direct-current transformer device which comprises a primary winding, a secondary winding, a magnetic ring group, a magnetic ring insulating pressing sleeve, a magnetic ring support, a rectifier circuit board, an upper disc and a lower disc, wherein the primary winding is formed by winding a wire-covered wire on one side of the magnetic ring group; the secondary winding is composed of a plurality of independent windings and is arranged on the other side of the magnetic ring group; the magnetic ring group is sleeved on the magnetic ring support, and a magnetic ring insulation pressing sleeve is sleeved on the outer side of the magnetic ring group; the upper end and the lower end of the magnetic ring insulation pressing sleeve are fixedly connected with the upper disc and the lower disc respectively; the rectifier circuit board is arranged on the semi-cylinder, and each group of rectifier bridges and the filter capacitors on the rectifier circuit board are butted with a secondary winding independent body; the upper end and the lower end of the semi-cylinder are fixedly connected with the upper disc and the lower disc respectively. The secondary winding litz wire has small diameter and can not pass too large current, and is divided into a plurality of groups to facilitate the conduction of large current; the primary and secondary windings and the magnetic ring set are sleeved on the magnetic ring support column, so that the supporting effect is achieved, and the heat dissipation effect is also achieved; the secondary winding is communicated with the circuit board to play a role in outputting direct current filtering, so that the size is effectively reduced, and the cost is reduced.
Description
Technical Field
The present invention relates to a transformer, and more particularly, to a transformer apparatus for dc output.
Background
The existing transformers are of various types, and a general transformer winding consists of a primary winding, a secondary winding, a primary winding, a secondary winding and a magnetic core. The existing transformer is easy to generate heat and has large loss when the wire diameter of a secondary winding is small and the number of turns is large, so that the transformer is burnt out.
Disclosure of Invention
Aiming at the defects of the transformer, the utility model aims to provide the transformer which is reasonable and novel in structure, small in loss, good in insulativity and high in efficiency.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a high-voltage direct-current transformer device comprises a primary winding, a secondary winding, a magnetic ring group, a magnetic ring insulation pressing sleeve, a magnetic ring support, a rectifier circuit board, an upper disc and a lower disc, wherein the primary winding is wound on one side of the magnetic ring group by a filament-covered wire; the secondary winding is composed of a plurality of independent windings and is arranged on the other side of the magnetic ring group; the magnetic ring group is sleeved on the magnetic ring support, and a magnetic ring insulation pressing sleeve is sleeved on the outer side of the magnetic ring group; the upper end and the lower end of the magnetic ring insulation pressing sleeve are fixedly connected with the upper disc and the lower disc respectively; the rectifier circuit board is arranged on the semi-cylinder, and each group of rectifier bridges and the filter capacitors on the rectifier circuit board are butted with a secondary winding independent body; the upper end and the lower end of the semi-cylinder are fixedly connected with the upper disc and the lower disc respectively.
Preferably, the upper disc is provided with a rectangular through hole, the middle of the upper disc is provided with an arc, and the periphery of the upper disc is provided with a plurality of countersunk holes; the lower disc is provided with a plurality of symmetrical strip-shaped circular arc hole grooves, a rectangular hole groove is arranged in the middle of the lower disc, and a plurality of countersunk holes are formed in the periphery of the lower disc.
Preferably, the magnetic ring insulation pressing sleeve is in a circular tube shape and made of insulation materials.
Preferably, the magnetic ring pillar is cylindrical and is formed by combining two kinds of cylinders with different diameters, and the end head of the magnetic ring pillar is provided with a screw hole for fastening.
Preferably, the rectifier circuit board is composed of a plurality of rectifier bridges, filter capacitors and other components, and plays a role in rectification and filtering.
Compared with the prior art, the utility model has the following beneficial effects:
the secondary winding litz wire has small diameter and can not pass too large current, and is divided into a plurality of groups to facilitate the conduction of large current; the primary and secondary windings and the magnetic ring set are sleeved on the magnetic ring support column, so that the supporting effect is achieved, and the heat dissipation effect is also achieved; the secondary winding is communicated with the circuit board to play a role in outputting direct current filtering, so that the size is effectively reduced, and the cost is reduced. In conclusion, the transformer has the advantages that the primary and secondary windings are improved in design and structurally optimized in arrangement, so that the transformer can output large current and direct-current voltage with small ripples.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is an isometric view of the present invention.
Figure 3 is an isometric view of an upper disc of the present invention.
Figure 4 is an isometric view of the magnetic ring support.
Figure 5 is an isometric view of a strut.
Figure 6 is a lower disk front view.
Fig. 7 is a front view of the circuit board.
Figure 8 is an isometric view of a semi-cylinder.
In the figure: 1. the transformer comprises an upper disc, 1-1 parts of rectangular through holes, 1-2 parts of circular arcs, 1-3 parts of countersunk holes, 2 parts of magnetic ring insulation pressing sleeves, 3 parts of magnetic ring groups, 4 parts of primary windings, 5 parts of secondary windings, 6 parts of magnetic ring supports, 6-1 parts of thick circular columns, 6-2 parts of thin circular columns, 6-3 parts of screw holes, 7 parts of supports, 7-1 parts of screw holes, 8 parts of lower disc, 8-1 parts of strip-shaped circular arc hole grooves, 8-2 parts of rectangular holes, 8-3 parts of countersunk holes, 9 parts of rectifying and filtering circuit boards, 9-1 parts of rectifying bridges, 9-2 parts of filtering capacitors, 10 parts of semi-circular cylinders, 10-1 parts of screw holes, 10-2 parts of planes, 10-3 parts of small screw holes.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 8, the high voltage dc power transformer apparatus of the present invention includes an upper disc 1, a magnetic ring insulating sleeve 2, a magnetic ring set 3, a primary winding 4, a secondary winding 5, a magnetic ring support 6, a support 7, a lower disc 8, a rectifying and filtering circuit board 9, and a semi-cylinder 10. The primary winding 4 and the secondary winding 5 are respectively wound on the left side and the right side of the magnetic ring group 3, the secondary winding is divided into a plurality of independent bodies, and the primary winding 4 is wound by litz wires and fixed by an insulating tape or a nylon cable tie according to the number of turns required by the design. And similarly, the secondary windings are divided into a plurality of groups according to the design, the secondary windings are wound by litz wires, the number of turns of each group is the same, and the secondary windings are fixed by adhesive tapes or binding tapes after the winding is finished.
The upper disc is provided with a rectangular through hole 1-1, the middle part is provided with an arc 1-2, and the periphery is provided with a plurality of countersunk holes 1-3; the lower disc is provided with a plurality of symmetrical strip-shaped circular arc hole grooves 8-1, a rectangular hole 8-2 in the middle and a plurality of countersunk holes 8-3 on the periphery.
The magnetic ring group 3 wound with the coil is sleeved on the magnetic ring pillar thin cylinder 6-2, and then the magnetic ring insulating pressing sleeve 2 is sleeved on the magnetic ring pillar thin cylinder 6-2, so that the coil and the magnetic ring group 3 are kept clamped and positioned between the magnetic ring insulating sleeve 2 and the magnetic ring pillar thick cylinder 6-1, and are fixedly connected with the countersunk holes 1-3 on the upper disc 1 by screws. The half-cylinders 10 are also mounted on the upper disc 1. The lower disc 8 is connected and assembled with the semi-cylinder 10, the magnetic ring support 6, the support 7 and the like through the lower disc countersunk hole 8-3, the semi-cylinder screw hole 10-1, the support screw hole 7-1, the magnetic ring support screw hole 6-3 and the like by screws.
The rectification filter circuit board 9 is assembled on the plane 10-2 of the semi-cylinder 10 and is installed on the small screw hole 10-3 by screws. Each group of rectifier bridges 9-1 and filter capacitors 9-2 are in butt joint with one secondary winding independent body, and thus, a plurality of secondary windings are in butt joint with a plurality of rectifier bridges and filter capacitors one by one to form a complete output secondary group.
The voltage output line is led out through a rectangular hole 1-1 and an arc 1-2 in the upper disc 1.
Claims (5)
1. A high-voltage direct-current transformer device comprises a primary winding, a secondary winding, a magnetic ring group, a magnetic ring insulation pressing sleeve, a magnetic ring support, a rectifier circuit board, an upper disc and a lower disc, and is characterized in that: the primary winding is formed by winding a wire-covered wire on one side of the magnetic ring group; the secondary winding is composed of a plurality of independent windings and is arranged on the other side of the magnetic ring group; the magnetic ring group is sleeved on the magnetic ring support, and a magnetic ring insulation pressing sleeve is sleeved on the outer side of the magnetic ring group; the upper end and the lower end of the magnetic ring insulation pressing sleeve are fixedly connected with the upper disc and the lower disc respectively; the rectifier circuit board is arranged on the semi-cylinder, and each group of rectifier bridges and the filter capacitors on the rectifier circuit board are butted with a secondary winding independent body; the upper end and the lower end of the semi-cylinder are fixedly connected with the upper disc and the lower disc respectively.
2. A hvdc transformer apparatus according to claim 1, further characterized by: the upper disc is provided with a rectangular through hole, the middle of the upper disc is provided with an arc, and the periphery of the upper disc is provided with a plurality of countersunk holes; the lower disc is provided with a plurality of symmetrical strip-shaped circular arc hole grooves, a rectangular hole groove is arranged in the middle of the lower disc, and a plurality of countersunk holes are formed in the periphery of the lower disc.
3. A hvdc transformer apparatus according to claim 1, further characterized by: the magnetic ring insulation pressing sleeve is in a circular tube shape and made of insulation materials.
4. A hvdc transformer apparatus according to claim 1, further characterized by: the magnetic ring support is cylindrical and is combined by two columns with different diameters, and the end head of the magnetic ring support is provided with a screw hole for fastening.
5. A hvdc transformer apparatus according to claim 1, further characterized by: the rectifier circuit board is composed of a plurality of rectifier bridges and filter capacitors and plays a role in rectification and filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122427660.6U CN215955021U (en) | 2021-10-09 | 2021-10-09 | High-voltage direct-current transformer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122427660.6U CN215955021U (en) | 2021-10-09 | 2021-10-09 | High-voltage direct-current transformer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215955021U true CN215955021U (en) | 2022-03-04 |
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ID=80425284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122427660.6U Active CN215955021U (en) | 2021-10-09 | 2021-10-09 | High-voltage direct-current transformer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215955021U (en) |
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2021
- 2021-10-09 CN CN202122427660.6U patent/CN215955021U/en active Active
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