CN211045238U - Improve space utilization and guarantee winding skeleton and transformer of ann rule distance - Google Patents
Improve space utilization and guarantee winding skeleton and transformer of ann rule distance Download PDFInfo
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- CN211045238U CN211045238U CN201922488718.0U CN201922488718U CN211045238U CN 211045238 U CN211045238 U CN 211045238U CN 201922488718 U CN201922488718 U CN 201922488718U CN 211045238 U CN211045238 U CN 211045238U
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Abstract
The utility model relates to an improve space utilization and guarantee bobbin and transformer of ann rule distance, bobbin is including the bobbin post that is used for winding coil, one side of bobbin post wherein one end is equipped with a winding hook portion, the both sides of the bobbin post other end are equipped with first contact portion and second contact portion respectively, be equipped with a little baffle that is used for increasing creepage distance between winding hook portion and the first contact portion dismantled and assembled, the coil is drawn out behind the winding bobbin post, and twine behind winding hook portion, be connected with first contact portion through little baffle, namely, increase the creepage distance between coil end and the winding through little baffle, thereby make winding hook portion needn't be like the same enough length of outside extension of traditional bobbin, also can guarantee enough ann rule distance, be favorable to improving bobbin's space utilization, so that transformer's miniaturization.
Description
Technical Field
The utility model relates to a transformer technical field, the more specifically wire winding skeleton and the transformer that indicate that improve space utilization and guarantee ann rule distance that says so.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary winding, a secondary winding, a magnetic core (or an iron core), a transformer framework and the like, the transformer framework is used as a main body structure of the transformer, and the transformer mainly plays the roles of insulation, winding and magnetic core assembly.
In the prior art, the transformer bobbin generally includes an i-shaped or king-shaped bobbin bracket and a terminal pin disposed at one end or both ends of the bobbin bracket. The common winding bobbin bracket in the shape of the Chinese character 'wang' generally adopts a structure that one end is a primary winding slot, the other end is a secondary winding slot, two sides of the bottom of one end of the secondary winding slot are respectively provided with an input end pin and an output end pin, and the top of one end of the primary winding slot is provided with a winding hook part; when the primary winding is wound, after the coil is wound in the primary winding groove, the tail end of the coil needs to be pulled out firstly and wound on the winding hook part, and then the coil goes down to pass through the primary winding and the secondary winding and is finally connected with the input end pin. Because, when the end of the primary winding coil is connected with the input end pin, the primary winding passes through the secondary winding, and in order to ensure that the end coil and the secondary winding have a sufficient safety distance, the winding hook part is required to be elongated and outwardly extended, so that the end coil is far away from the secondary winding.
Disclosure of Invention
Based on the problem, the utility model provides an improve space utilization and guarantee winding skeleton and transformer of ann rule distance to solve current transformer space utilization and hang down, be unfavorable for the volume miniaturization, ann rule distance between winding group end coil and the winding is not enough scheduling problem.
The utility model adopts the following technical scheme:
the utility model provides an improve space utilization and guarantee winding bobbin of ann rule distance, winding bobbin is including the winding bobbin post that is used for the winding coil, one side of winding bobbin post one end wherein is equipped with a winding hook portion, and the both sides of the winding bobbin post other end are equipped with first pin portion and second pin portion respectively, be equipped with a little baffle that is used for increasing creepage distance between winding hook portion and the first pin portion dismantled and assembledly, the coil twines and pulls out behind the winding bobbin post to twine behind winding hook portion, be connected through little baffle and first pin portion.
Further, the winding bobbin is the shape of Chinese character 'wang', the winding bobbin post is cut apart into first winding groove and second winding groove by a skeleton division board, wire winding hook portion is located first winding groove top, first pin portion and second pin portion are located the both sides of second winding tank bottom portion respectively.
Furthermore, the small partition board is buckled between the first pin part and the framework isolation board, and is used for increasing the creepage distance between the coil and the second winding slot.
Further, the first winding slot is a primary winding slot for winding a primary winding, the second winding slot is a secondary winding slot for winding a secondary winding, the first pin portion is an input terminal portion, and the second pin portion is an output terminal portion.
Furthermore, a plurality of winding bulges are arranged on the small partition plate.
Furthermore, at least one slot dividing partition board is arranged in the first winding slot or the second winding slot, and at least one winding notch is formed in the slot dividing partition board.
A transformer comprises the winding bobbin, and a coil and a magnetic core which are assembled on the winding bobbin. An insulating inner cover is clamped on the winding framework and is positioned between the coil and the magnetic core.
Furthermore, the insulating inner cover is provided with a clamping part towards one side of the winding framework, and a clamping groove matched with the clamping part is arranged on a framework isolation plate of the winding framework
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:
1. the utility model discloses compare in traditional bobbin, pull out behind the coil winding bobbin post, and twine and drop down behind winding hook portion, be connected with first foot section through little baffle, through the creepage distance between little baffle increase coil end and the winding, thereby make winding hook portion needn't outwards extend enough length like traditional bobbin, also can guarantee enough ann rule distance, be favorable to dwindling winding hook portion's length, improve bobbin's space utilization, so that transformer's miniaturization.
2. The utility model discloses a king's style of calligraphy winding skeleton, including first winding groove and second winding groove to through dividing the groove baffle in first winding groove or second winding inslot setting, thereby when the winding, utilize to divide groove baffle and winding breach distribution winding number of turns, thereby control adjustment inductance leakage quantity.
3. The utility model discloses the transformer is equipped with insulating inner cover between coil and magnetic core, plays the separation effect, increases the ann rule distance of coil and magnetic core, further improves the security of product.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the transformer of the present invention;
FIG. 2 is an exploded view of the magnetic core of the transformer of the present invention;
FIG. 3 is an exploded view of the magnetic core and the inner insulating cover of the transformer of the present invention;
FIG. 4 is a front view of the bobbin of the present invention;
fig. 5 is a right side view of the bobbin of the present invention.
The winding frame comprises a winding frame 1, a winding hook part 11, a first pin part 12, a second pin part 13, a frame isolation plate 14, a clamping groove 141, a first winding groove 15, a second winding groove 16, a sub-groove partition plate 17, a winding notch 171, a small partition plate 2, a winding bulge 21, a magnetic core 3, an insulating inner cover 4 and a clamping part 41.
Detailed Description
The following describes specific embodiments of the present invention with reference to the drawings.
Referring to fig. 1 to 3, a transformer for improving space utilization and guaranteeing safety distance comprises a winding frame 1, a coil, a magnetic core 3 and an insulating inner cover 4, wherein the coil and the magnetic core 3 are respectively assembled on the winding frame 1, the insulating inner cover 4 is connected with the winding frame 1 in a clamping manner, is located between the coil and the magnetic core 3, plays a role in separation, and increases the safety distance between the coil and the magnetic core 3.
Referring to fig. 1 to 5, bobbin frame 1 includes the bobbin post that is used for the winding coil, one side of bobbin post wherein one end is equipped with a winding hook portion 11, the both sides of the bobbin post other end are equipped with first prong portion 12 and second prong portion 13 respectively, be equipped with a little baffle 2 that is used for increasing creepage distance between winding hook portion 11 and the first prong portion 12 dismantled and assembledly, the coil is drawn out behind the bobbin post, and twine behind winding hook portion 11, be connected with first prong portion 12 through little baffle 2.
More specifically, referring to fig. 1 to 5, in the present embodiment, the bobbin 1 is preferably a winding bobbin 1 in a shape of a Chinese character 'wang', the bobbin column is divided into a first winding slot 15 and a second winding slot 16 by a bobbin partition plate 14, the winding hook portion 11 is located at the top of the first winding slot 15, and the first leg portion 12 and the second leg portion 13 are respectively located at both sides of the bottom of the second winding slot 16. The first winding slot 15 may be used for winding a primary or secondary winding and the second winding slot 16 may be used for winding a secondary or primary winding. In the present embodiment, preferably, the first winding slot 15 is a primary winding slot for winding a coil to form a primary winding, the second winding slot 16 is a secondary winding slot for winding a coil to form a secondary winding, the first pin portion 12 is an input terminal portion, and the second pin portion 13 is an output terminal portion.
Referring to fig. 3 to 5, at least one slotted spacer 17 is disposed in the first winding slot 15 or the second winding slot 16, and at least one winding gap 171 is disposed on the slotted spacer 17. In this embodiment, the slotting separator 17 is preferably designed in the first winding slot 15, that is, the first winding slot 15 is slotted by the slotting separator 17, and when winding the coil, the number of turns can be distributed by the slotting separator 17 and the winding gap 171, so as to adjust and control the inductance leakage.
Referring to fig. 3 to 5, a clamping groove 141 is formed on the bobbin partition 14 of the bobbin 1, and a clamping portion 41 engaged with the clamping groove 141 is formed on a side of the inner insulating cover 4 facing the bobbin 1.
Referring to fig. 2 to 5, the small spacer 2 is fastened between the first pin portion 12 and the bobbin spacer 14 for increasing a creepage distance between the coil and the second winding slot 16. More specifically, the upper edge of the small partition 2 is clamped on the clamping groove 141, the bottom of the small partition 2 is supported on the first pin portion 12, and the small partition 2 is further provided with a plurality of winding protrusions 21.
Referring to fig. 1 to 5, compared to a conventional transformer: when the primary winding of the utility model is wound, the coil can distribute the winding turns through the slot-dividing partition 17 and the winding notch 171, thereby controlling the inductance leakage; then, the coil end is pulled out, wound on the winding hook part 11 and pulled down, passes through the first winding slot 15 and the second winding slot 16 and is connected with the first pin part 12; because the coil end is when passing through second winding groove 16, it is around away through little baffle 2, thereby increase coil end and second winding groove 16's creepage distance, increased coil and secondary winding's creepage distance promptly, consequently, wire winding hook portion 11 need not outwards extend enough length like traditional bobbin 1, also can guarantee enough ann rule distance, be favorable to dwindling wire winding hook portion 11's length, improve bobbin 1's space utilization, so that the miniaturization of transformer.
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (9)
1. The utility model provides an improve space utilization and guarantee winding skeleton of ann rule distance, winding skeleton is including the bobbin post that is used for winding coil, its characterized in that: one side of winding bobbin post one of them one end is equipped with a winding hook portion, and the both sides of the winding bobbin post other end are equipped with first pin portion and second pin portion respectively, be equipped with a little baffle that is used for increasing creepage distance between winding hook portion and the first pin portion dismantled and assembled, coil winding bobbin post is back to pull out to twine behind winding hook portion, be connected with first pin portion through little baffle.
2. The winding framework capable of improving the space utilization rate and ensuring the safety distance as claimed in claim 1, is characterized in that: winding frame is the king style of calligraphy, the bobbin post is cut apart into first winding groove and second winding groove by a skeleton division board, winding hook portion is located first winding groove top, first pin portion and second pin portion are located the both sides of second winding tank bottom portion respectively.
3. The winding framework capable of improving the space utilization rate and ensuring the safety distance as claimed in claim 2, is characterized in that: the small partition board is buckled between the first pin part and the framework isolation board and used for increasing the creepage distance between the coil and the second winding groove.
4. The winding framework capable of improving the space utilization rate and ensuring the safety distance as claimed in claim 2, is characterized in that: the first winding slot is a primary winding slot and used for winding a primary winding, the second winding slot is a secondary winding slot and used for winding a secondary winding, the first pin part is an input end pin part, and the second pin part is an output end pin part.
5. The winding framework capable of improving the space utilization rate and ensuring the safety distance as claimed in claim 1, is characterized in that: and the small partition plate is provided with a plurality of winding bulges.
6. The winding framework capable of improving the space utilization rate and ensuring the safety distance as claimed in claim 2, is characterized in that: at least one slot dividing partition board is arranged in the first winding slot or the second winding slot, and at least one winding notch is formed in the slot dividing partition board.
7. A transformer, characterized by: comprising a bobbin as claimed in any one of claims 1 to 6, and a coil and a core mounted on the bobbin.
8. A transformer according to claim 7, characterised in that: an insulating inner cover is clamped on the winding framework and is positioned between the coil and the magnetic core.
9. A transformer according to claim 8, characterised in that: the insulation inner cover is provided with a clamping portion towards one side of the winding framework, and a clamping groove matched with the clamping portion is formed in a framework isolation plate of the winding framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488718.0U CN211045238U (en) | 2019-12-31 | 2019-12-31 | Improve space utilization and guarantee winding skeleton and transformer of ann rule distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488718.0U CN211045238U (en) | 2019-12-31 | 2019-12-31 | Improve space utilization and guarantee winding skeleton and transformer of ann rule distance |
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| Publication Number | Publication Date |
|---|---|
| CN211045238U true CN211045238U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922488718.0U Active CN211045238U (en) | 2019-12-31 | 2019-12-31 | Improve space utilization and guarantee winding skeleton and transformer of ann rule distance |
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| CN (1) | CN211045238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571312A (en) * | 2021-07-28 | 2021-10-29 | 东莞市大忠电子有限公司 | Four-side pin outlet power transformer |
-
2019
- 2019-12-31 CN CN201922488718.0U patent/CN211045238U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571312A (en) * | 2021-07-28 | 2021-10-29 | 东莞市大忠电子有限公司 | Four-side pin outlet power transformer |
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