CN212676059U - Novel high-frequency boosting transformer - Google Patents
Novel high-frequency boosting transformer Download PDFInfo
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- CN212676059U CN212676059U CN202021812468.8U CN202021812468U CN212676059U CN 212676059 U CN212676059 U CN 212676059U CN 202021812468 U CN202021812468 U CN 202021812468U CN 212676059 U CN212676059 U CN 212676059U
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Abstract
The utility model discloses a novel high-frequency boosting transformer, which comprises a framework, a middle magnetic core, a primary winding group, a secondary winding group, a feedback winding group, a first insulation interlayer, a second insulation interlayer and a third insulation interlayer, wherein the framework comprises a winding frame, a first stitch platform, a second stitch platform, a first stitch group, a second stitch group and a third stitch group, and the first stitch platform and the second stitch platform are respectively arranged at two sides of the winding frame; the primary winding group is wound in a winding groove of the winding frame; the first insulating interlayer is arranged between the primary winding group and the secondary winding group in an interval mode, and the secondary winding group is wound on the winding frame; the second insulating interlayer is arranged between the secondary winding group and the feedback winding group in an interval mode, and the feedback winding group is wound on the winding frame; the third insulating interlayer is coated on the feedback winding group. The utility model discloses can reduce the appearance of layer short circuit problem and improve creepage distance, avoid the problem that the high-pressure side broke the arc effectively.
Description
Technical Field
The utility model relates to a step up transformer technical field, in particular to novel high frequency step up transformer.
Background
The existing step-up transformer has the problems that the interlayer short circuit cannot be reduced, the creepage distance cannot be increased, and the arc discharge of a high-voltage end is easy to occur, so that the service life and the electrical performance of an electrical product are influenced. How to improve the structure of the step-up transformer to overcome the related defects of interlayer short circuit and the like becomes a technical problem needing to be overcome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a novel high frequency step up transformer.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel high-frequency boosting transformer comprises a framework, a middle magnetic core, a primary winding group, a secondary winding group, a feedback winding group, a first insulating interlayer, a second insulating interlayer and a third insulating interlayer, wherein the framework comprises a winding frame, a first stitch platform, a second stitch platform, a first stitch group, a second stitch group and a third stitch group, the first stitch platform and the second stitch platform are respectively arranged at two sides of the winding frame,
the first left stitch of the first stitch group is inserted into the first stitch platform, and the first right stitch of the first stitch group is inserted into the second stitch platform; a second left stitch of the second stitch group is inserted into the first stitch table, and a second right stitch of the second stitch group is inserted into the second stitch table; a third left stitch of the third stitch group is inserted in the first stitch table, and a third right stitch of the third stitch group is inserted in the second stitch table;
a magnetic core placing groove for placing the middle magnetic core is formed in the inner frame of the winding frame, a winding groove is formed in the outer frame of the winding frame, and the winding groove is arranged in the magnetic core placing groove in a surrounding mode; the primary winding group is wound in the winding groove of the winding frame, and two line ends of the primary winding group are respectively wound on a first left stitch and a first right stitch of the first stitch group; the first insulation interlayer is arranged between the primary winding group and the secondary winding group in an isolated mode, the secondary winding group is wound on the winding frame, and two wire ends of the secondary winding group are respectively wound on a third left stitch and a third right stitch of the third stitch group; the second insulation interlayer is arranged between the secondary winding group and the feedback winding group in an interval mode, the feedback winding group is wound on the winding frame, and two wire ends of the feedback winding group are respectively wound on a second left stitch and a second right stitch of the second stitch group; the third insulating interlayer is coated on the feedback winding group.
Further, winding passageways are formed in the first stitch platform and the second stitch platform, and the line ends of the winding groups are wound on the stitches of the stitch groups through the winding passageways.
Stated further, the wire winding aisle is L-shaped.
Stated further, the first left stitch of the first stitch group is equal in length to the first right stitch of the first stitch group; the length of a second left stitch of the second stitch group is equal to that of a second right stitch of the second stitch group; and the third left stitch of the third stitch group is equal to the third right stitch of the third stitch group in length.
Stated further, the first left stitch, the second left stitch, and the third left stitch are equal in length; the first right stitch, the second right stitch and the third right stitch have the same length.
The beneficial effects of the utility model reside in that: the utility model discloses can reduce the appearance of layer short circuit problem and improve creepage distance, avoid the high-pressure side to draw the problem of arc effectively, be favorable to improving the life and the electrical property of electrical product.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial structural sectional view of the present invention.
FIG. 3 is a schematic structural diagram of the skeleton.
Fig. 4 is a schematic view of the manufacturing process of the present invention.
Reference numerals: 10. a framework; 101. a winding passageway; 11. a winding frame; 111. a magnetic core placing groove; 112. a winding slot; 12. a first stitch table; 13. a second stitch platform; 14. a first pin group; 141. a first left stitch; 142. a first right stitch; 15. a second pin group; 151. a second left stitch; 152. a second right stitch; 16. a third pin group; 161. a third left stitch; 162. a third right stitch; 20. a middle magnetic core; 30. a primary winding group; 40. a secondary winding group; 50. feeding back a winding group; 60. a first insulating spacer layer; 70. a second insulating interlayer; 80. a third insulating interlayer; 90. magnetic core-coated adhesive tape.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a novel high-frequency step-up transformer includes a bobbin 10, a middle magnetic core 20, a primary winding group 30, a secondary winding group 40, a feedback winding group 50, a first insulation interlayer 60, a second insulation interlayer 70, and a third insulation interlayer 80, wherein the bobbin 10 includes a bobbin 11, a first stitch table 12, a second stitch table 13, a first stitch group 14, a second stitch group 15, and a third stitch group 16, the first stitch table 12 and the second stitch table 13 are respectively disposed on two sides of the bobbin 11, and the first insulation interlayer 60, the second insulation interlayer 70, and the third insulation interlayer 80 are made of insulation tapes;
a first left stitch 141 of the first stitch group 14 is inserted in the first stitch table 12, and a first right stitch 142 of the first stitch group 14 is inserted in the second stitch table 13; a second left stitch 151 of the second stitch group 15 is inserted into the first stitch table 12, and a second right stitch 152 of the second stitch group 15 is inserted into the second stitch table 13; a third left stitch 161 of the third stitch group 16 is inserted into the first stitch table 12, and a third right stitch 162 of the third stitch group 16 is inserted into the second stitch table 13;
as shown in fig. 1 and fig. 3, a magnetic core placing groove 111 for placing the middle magnetic core 20 is provided at the inner frame of the bobbin 11, a winding groove 112 is provided at the outer frame of the bobbin 11, and the winding groove 112 is disposed around the magnetic core placing groove 111; the primary winding group 30 is wound in the winding slot 112 of the winding frame 11, and two ends of the primary winding group 30 are respectively wound on the first left stitch 141 and the first right stitch 142 of the first stitch group 14; the first insulating interlayer 60 is arranged between the primary winding group 30 and the secondary winding group 40 in an interval manner, the secondary winding group 40 is wound on the winding frame 11, and two ends of the secondary winding group 40 are respectively wound on a third left stitch 161 and a third right stitch 162 of the third stitch group 16; the second insulating interlayer 70 is arranged between the secondary winding group 40 and the feedback winding group 50 in an interval manner, the feedback winding group 50 is wound on the winding frame 11, and two line ends of the feedback winding group 50 are respectively wound on a second left stitch 151 and a second right stitch 152 of the second pin group 15; the third insulating spacer 80 covers the feedback winding 50. Because the two wire ends of each winding group of the utility model are respectively wound at the stitch positions of the first stitch platform 12 and the second stitch platform 13, the creepage distance is increased and the problem of arc discharge of the high-voltage end is avoided; and the first insulation interlayer 60 is spaced between the primary winding group 30 and the secondary winding group 40 to separate the primary winding group 30 from the secondary winding group 40, and the second insulation interlayer 70 is spaced between the secondary winding group 40 and the feedback winding group 50 to separate the secondary winding group 40 from the feedback winding group 50, thereby effectively avoiding the problem of interlayer short circuit.
The first stitch platform 12 and the second stitch platform 13 are both provided with a winding passageway 101, and the line end of each winding group is wound on the stitch position of each stitch group through the winding passageway 101. Specifically, the two wire ends of the primary winding group 30 are respectively wound on the first left stitch 141 and the first right stitch 142 of the first stitch group 14 along the winding passage 101; the two wire ends of the secondary winding group 40 are respectively wound on the third left stitch 161 and the third right stitch 162 of the third stitch group 16 along the winding passage 101; two wire ends of the feedback winding group 50 are respectively wound on a second left stitch 151 and a second right stitch 152 of the second stitch group 15 along the winding passage 101; the pins of the first pin platform 12 are connected in series; the pins of the second pin table 13 are connected in series. As shown in fig. 3, the winding passageway 101 is L-shaped.
The first left stitch 141 of the first stitch group 14 and the first right stitch 142 of the first stitch group 14 have the same length; the second left stitch 151 of the second stitch group 15 and the second right stitch 152 of the second stitch group 15 have the same length; the third left stitch 161 of the third stitch group 16 and the third right stitch 162 of the third stitch group 16 are equal in length. The first left stitch 141, the second left stitch 151 and the third left stitch 161 are equal in length; the first right stitch 142, the second right stitch 152 and the third right stitch 162 have the same length.
Referring to fig. 4, a novel high-frequency step-up transformer is produced as follows:
the method comprises the following steps: winding the primary winding group 30 in the winding slot 112 of the winding frame 11, wherein two ends of the primary winding group 30 are respectively wound on the first left stitch 141 and the first right stitch 142 of the first stitch group 14;
step two: wrapping the first insulating interlayer 60 at the primary winding group 30, namely winding an insulating tape at the primary winding group 30;
step three: winding the secondary winding group 40 around a first insulation interlayer 60, wherein the first insulation interlayer 60 separates the primary winding group 30 from the secondary winding group 40, and both ends of the secondary winding group 40 are respectively wound around a third left stitch 161 and a third right stitch 162 of the third stitch group 16;
step four: coating a second insulating interlayer 70 at the secondary winding group 40, namely winding an insulating tape at the secondary winding group 40;
step five: the feedback winding group 50 is wound on the second insulation interlayer 70, the second insulation interlayer 70 separates the secondary winding group 40 from the feedback winding group 50, and two line ends of the feedback winding group 50 are respectively wound on the second left stitch 151 and the second right stitch 152 of the second stitch group 15;
step six: a third insulating interlayer 80 is coated at the feedback winding group 50, namely, an insulating tape is wound at the feedback winding group 50;
step seven: and (3) installing the middle magnetic core 20, fixing the magnetic core by using a magnetic core-wrapping adhesive tape 90, then soaking in oil, drying, and testing to obtain a qualified finished product.
The thicknesses of the first insulating interlayer 60 and the second insulating interlayer 70 may be specifically set according to the output high voltage value, etc.; the number of turns of the enameled wires of the primary winding group 30 and the secondary winding group 40 can be specifically set according to the voltage value of the output high-voltage end; and the length of the stitch can be customized according to actual requirements.
Additionally, the utility model discloses can be in addition around together secondary winding group 40 and feedback winding group 50, the insulating interlayer of cladding one deck again to save the insulating interlayer of one deck, whole transformer only needs two-layer insulating interlayer.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (5)
1. A novel high-frequency boosting transformer is characterized in that: comprises a framework, a middle magnetic core, a primary winding group, a secondary winding group, a feedback winding group, a first insulating interlayer, a second insulating interlayer and a third insulating interlayer, wherein the framework comprises a winding frame, a first stitch platform, a second stitch platform, a first stitch group, a second stitch group and a third stitch group, the first stitch platform and the second stitch platform are respectively arranged at two sides of the winding frame,
the first left stitch of the first stitch group is inserted into the first stitch platform, and the first right stitch of the first stitch group is inserted into the second stitch platform; a second left stitch of the second stitch group is inserted into the first stitch table, and a second right stitch of the second stitch group is inserted into the second stitch table; a third left stitch of the third stitch group is inserted in the first stitch table, and a third right stitch of the third stitch group is inserted in the second stitch table;
a magnetic core placing groove for placing the middle magnetic core is formed in the inner frame of the winding frame, a winding groove is formed in the outer frame of the winding frame, and the winding groove is arranged in the magnetic core placing groove in a surrounding mode; the primary winding group is wound in the winding groove of the winding frame, and two line ends of the primary winding group are respectively wound on a first left stitch and a first right stitch of the first stitch group; the first insulation interlayer is arranged between the primary winding group and the secondary winding group in an isolated mode, the secondary winding group is wound on the winding frame, and two wire ends of the secondary winding group are respectively wound on a third left stitch and a third right stitch of the third stitch group; the second insulation interlayer is arranged between the secondary winding group and the feedback winding group in an interval mode, the feedback winding group is wound on the winding frame, and two wire ends of the feedback winding group are respectively wound on a second left stitch and a second right stitch of the second stitch group; the third insulating interlayer is coated on the feedback winding group.
2. A novel high-frequency step-up transformer according to claim 1, characterized in that: and the first stitch platform and the second stitch platform are both provided with wire winding passageways, and the wire end edge of each wire winding group passes through the wire winding passageways and winds the stitch positions of each stitch group.
3. A novel high-frequency step-up transformer according to claim 2, characterized in that: the winding passageway is L-shaped.
4. A novel high-frequency step-up transformer according to claim 1, characterized in that: the length of a first left stitch of the first stitch group is equal to that of a first right stitch of the first stitch group; the length of a second left stitch of the second stitch group is equal to that of a second right stitch of the second stitch group; and the third left stitch of the third stitch group is equal to the third right stitch of the third stitch group in length.
5. The novel high-frequency step-up transformer according to claim 4, characterized in that: the lengths of the first left stitch, the second left stitch and the third left stitch are equal; the first right stitch, the second right stitch and the third right stitch have the same length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021812468.8U CN212676059U (en) | 2020-08-26 | 2020-08-26 | Novel high-frequency boosting transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021812468.8U CN212676059U (en) | 2020-08-26 | 2020-08-26 | Novel high-frequency boosting transformer |
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| Publication Number | Publication Date |
|---|---|
| CN212676059U true CN212676059U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021812468.8U Active CN212676059U (en) | 2020-08-26 | 2020-08-26 | Novel high-frequency boosting transformer |
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|---|---|
| CN (1) | CN212676059U (en) |
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- 2020-08-26 CN CN202021812468.8U patent/CN212676059U/en active Active
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