CN202167333U - Low-thickness transformer - Google Patents
Low-thickness transformer Download PDFInfo
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- CN202167333U CN202167333U CN2011201559518U CN201120155951U CN202167333U CN 202167333 U CN202167333 U CN 202167333U CN 2011201559518 U CN2011201559518 U CN 2011201559518U CN 201120155951 U CN201120155951 U CN 201120155951U CN 202167333 U CN202167333 U CN 202167333U
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- section chip
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Abstract
The utility model discloses a low-thickness transformer which comprises a reel and core material. An approximate central position of the reel is provided with a coiling tank body. The periphery of the coiling tank body is used for being coiled by a first side coil and a second side coil. The coiling tank body defines a central tank channel and an outer part which corresponds with the central tank channel. The core material is placed in the central tank channel or the outer part for conducting magnet. The core material is obtained through stacking N E-shaped steel chips and M H-shaped steel chips. An ultra-low-thickness transformer can be obtained according to the utility model for satisfying miniaturization and portability trends of information or consumptive product.
Description
Technical field
The utility model relates in particular to the arrangement of piling up of the interior steel chip (core plate) of transformer, so that reach the requirement of low thickness relevant for the transformer of low thickness (slim).
Background technology
Transformer has extensively been applied in the product of many industry or consumer, so that booster tension value in the system, to promote some element.For example in horn system, enlarger (amplifier) is seen the primary side that low voltage value is given a transformer off, through the electromagnetism running of transformer, so the secondary side of this transformer is exported tens of times high voltage to loudspeaker, to promote the loudspeaker outputting music.
The preceding case technology that transformer is relevant can be with reference to japanese patent publication 62-169315, U.S. Patent number 6859130,7135950.
Along with the microminiaturized trend of information or consumer products, important element such as transformer are also done microminiaturized or ultra-thinization in response to need, and U.S. Patent number 7135950 promptly discloses the transformer of a low thickness.U.S. Patent number 6859130 has also disclosed transformer and its manufacture method of a low profile.
The loudspeaker that a kind of thickness such as paper occur are arranged recently, and its thickness in order to satisfy the needs of these type of ultra-thin loudspeaker, must provide corresponding ultrathin transformer approximately less than 0.1 centimeter.
Therefore, the utility model proposes the technology of a ultrathin transformer, with the microminiaturization of satisfying information or consumer products, portable trend.
The utility model content
One of purpose of the utility model provides the technology of ultrathin transformer, with the microminiaturization of satisfying information or consumer products, portable trend.
According to an embodiment; The transformer of a kind of low thickness of the utility model comprises: drum stand, and the middle position of drum stand has the coiling cell body; Supply first lateral coil, second lateral coil to twine around this coiling cell body, coiling cell body definition central channel and with respect to the outside of central channel; And core, be placed in this central channel or should the outside, supply the usefulness of magnetic conduction, this core is by N E structural section chip, and M chip-stacked forming of I structural section.
According to the transformer of the described low thickness of the utility model, N=6, M=4, and N E structural section chip is to pile up with the form that is staggeredly stacked.
Transformer according to the described low thickness of the utility model; The thickness of E structural section chip is 0.35mm, and E structural section chip has in a center pillar portion of central authorities and the branching portion on both sides, and the width dimensions of center pillar portion is b; The branching portion width dimensions on both sides is respectively a, c; Center pillar portion is placed in this central channel, and the branching portion on both sides is placed in this outside, wherein b=a+c.
According to the transformer of the described low thickness of the utility model, pile up on the face this each E structural section chip I structural section chip of optionally arranging in pairs or groups in one.
According to the transformer of the described low thickness of the utility model, the winding ratio of this first lateral coil and this second lateral coil is 1: 20.
According to another embodiment; A kind of transformer of low thickness comprises: drum stand, and the middle position of drum stand has the coiling cell body; Supply first lateral coil, second lateral coil to twine around this coiling cell body, coiling cell body definition central channel and with respect to the outside of central channel; And core, be placed in this central channel or should the outside, supply the usefulness of magnetic conduction, this core is by N E structural section chip, and M chip-stacked forming of I structural section, and N E structural section chip is to pile up with the form that homonymy piles up.According to the transformer of the described low thickness of the utility model, N=6, M=6.
According to an embodiment again; A kind of transformer of low thickness comprises: drum stand, and the middle position of drum stand has the coiling cell body; Supply first lateral coil, second lateral coil to twine around this coiling cell body, coiling cell body definition central channel and with respect to the outside of central channel; And core, be placed in this central channel or should the outside, supply the usefulness of magnetic conduction, this core is by N E structural section chip, a M I structural section chip, and L chip-stacked forming of shape of the mouth as one speaks steel, and L shape of the mouth as one speaks steel chip is the outside of piling up and being surrounded on the cell body that winds the line.
According to the transformer of the described low thickness of the utility model, N=6, M=5, L=3, and N E structural section chip is to pile up with the form that is staggeredly stacked.
According to the transformer of the described low thickness of the utility model, pile up on the face this each E structural section chip I structural section chip of optionally arranging in pairs or groups in one.
Transformer according to the described low thickness of the utility model; The thickness of this E structural section chip is 0.35mm, and E structural section chip has in a center pillar portion of central authorities and the branching portion on both sides, and the width dimensions of center pillar portion is b; The branching portion width dimensions on both sides is respectively a, c; Center pillar portion is placed in this central channel, and the branching portion on both sides is placed in this outside, wherein b=a+c or b＞a+c.
According to the transformer of the described low thickness of the utility model, the winding ratio of this first lateral coil and this second lateral coil is 1: 20.
Can reach ultrathin transformer through the utility model, with the microminiaturization of satisfying information or consumer products, portable trend.Under above-mentioned different embodiment, good or best arrangement of particulars, all purpose of attainable cost utility model and effect are arranged various time.
Description of drawings
Figure 1A discloses the top view of drum stand one embodiment;
Figure 1B discloses the front view of drum stand one embodiment;
Fig. 2 A and Fig. 2 B disclose the shape of an embodiment of E structural section chip, I structural section chip respectively;
Fig. 3 A discloses core and its stack manner of low thickness transformer one embodiment;
Fig. 3 B discloses shape, the size relationship of E structural section chip;
Fig. 3 C discloses among Fig. 3 A how to carry out piling up of core with stereogram;
Fig. 4 A discloses core and its stack manner of low another embodiment of thickness transformer;
Fig. 4 B discloses among Fig. 4 A how to carry out piling up of core with stereogram;
Fig. 5 A, Fig. 5 B, Fig. 5 C disclose the shape of E structural section chip, I structural section chip, another embodiment of shape of the mouth as one speaks steel chip respectively;
Fig. 6 A discloses core and its stack manner of low another embodiment of thickness transformer;
Fig. 6 B discloses shape, the size relationship of E structural section chip;
Fig. 6 C discloses among Fig. 6 A how to carry out piling up of core with stereogram.
Embodiment
For making purpose, structure, characteristic and function thereof that further understanding arranged, cooperate embodiment to specify as follows now to the utility model.
The utility model is a kind of transformer of low thickness, is applicable in the product of any pattern, is particularly useful for the usefulness of AC transformer, and is specially adapted to the short space in the microminiaturized product.
Generally speaking, the specifications of the transformer of low thickness comprise transformer height overall (thickness), step-up ratio, maximum output voltage value, wave mode undistorted (when a certain lowest audible frequencies and maximum output voltage value) usually.Typical specification is: transformer height overall (thickness) 5mm, step-up ratio 20, maximum output voltage value 300V, wave mode undistorted (when lowest audible frequencies 400Hz and maximum output voltage value 300V).
In order to reach above-mentioned requirements, the design option that can select is: (1) dwindles the height of drum stand (bobbin), and suitable steel core chip size and material, the stack manner of (3) core, the collocation mode of (4) different chip materials are selected in (2).
The transformer of a kind of low thickness of the utility model comprises, shown in Figure 1A, 1B, integrated drum stand, this drum stand generally comprise two supports 110 and the coiling cell body 112 that is positioned at central authorities.The tail end arrangement of support 110 has end points, supplies other elements (not illustrating), for example loudspeaker in the connected system.According to an embodiment; Wherein about middle position of drum stand has coiling cell body 112; Supply first lateral coil, second lateral coil to twine (not illustrating) around this coiling cell body 112, coiling cell body 112 definition one central channel 112A (or claiming inner) and with respect to the outside of central channel 112A (or be called coiling cell body 112 around).One instance of this drum stand material is a liquid crystal polymer, and like LCP E4008 commonly used on the market, this selection helps the compact of product size.
According to an embodiment, the width of this central channel 112A is about 13.1mm, and the thickness of coiling cell body 112 is about 2.4mm, and its length or width are about 17.8mm.
Core is the usefulness that supplies magnetic conduction, forms by a plurality of steel are chip-stacked, is placed among this central channel 112A or its outside.
According to an embodiment, this core be by N E structural section chip, with M chip-stacked the forming of I structural section.N=6 wherein, M=4, and piling up of N E structural section chip is that the pattern that is staggeredly stacked is shown in Fig. 3 A, Fig. 3 B, Fig. 3 C.
According to an embodiment, wherein the thickness of E type or I structural section chip is about 0.35mm, and E structural section chip has in the center pillar portion of central authorities and the branching portion on both sides; Shown in Fig. 3 B; The width dimensions of center pillar portion is b, and the branching portion width dimensions on both sides is respectively a, c, and center pillar portion is placed in this central channel; The branching portion on both sides is placed in this outside, wherein b=a+c.But other size relationship also can.
According to an embodiment, the size (mm) of the E structural section chip shown in Fig. 2 A, Fig. 2 B, I structural section chip is:
| A | B | C | D | E | F | G |
| 33 | 13 | 6.5 | 3.5 | 17 | 23.5 | 6.5 |
According to an embodiment, pile up on the face in one, this each E structural section chip 200 I structural section chip 202 of optionally arranging in pairs or groups is shown in Fig. 3 A.Such as, after first E structural section chip 200 was piled up by the right-hand insertion of central channel 112A, its same corresponding left choice of location of face of piling up or not I structural section chip 202; But pile up on the face in second of last layer, the same corresponding location right of face of piling up of E structural section chip 200 are selected collocation one I structural section chips 202, its top pile up also similar processing; But after the 6th E structural section chip 200 piled up by the left insertion of central channel 112A, its same corresponding right-hand choice of location of face of piling up or not I structural section chip 202.Must explanation be, pile up when accomplishing, the both sides branching portion of E structural section chip 200 and I structural section chip 202 are the outsides that are in coiling cell body 112, are not in central channel 112A, having only center pillar portion is in central channel 112A.
According to an embodiment, this steel chip 200 or 202 can be selected from the mixed pattern of taking of silicon steel sheet, nickel steel sheet or silicon steel sheet and nickel steel sheet.One of mixed advantage of taking pattern is both can reach the requirement of specification, and can reduce chip-stacked total cost.And the winding ratio of this first lateral coil and this second lateral coil is 1: 20, and therefore can reach step-up ratio is 20.
Shown in Fig. 3 C, be that the narration that top core piles up is showed with stereogram.
In second embodiment of Fig. 4 A, Fig. 4 B, disclose the another kind of mode that core piles up.
Different with first embodiment is, this core is to pile up by N E structural section chip 200, with M I structural section chip 202 to form, and piling up of N E structural section chip 202 be the pattern that a kind of homonymy piles up, shown in Fig. 4 A.
Wherein the preferably is N=6, M=6.Wherein, pile up on the face this each E structural section chip 200 I structural section chip 202 of optionally arranging in pairs or groups in one.Such as, after first E structural section chip 200 was piled up by the right-hand insertion of central channel 112A, its same corresponding left choice of location of face of piling up was piled up I structural section chip 202; Pile up on the face in second, E structural section chip 200 is same to pile up the corresponding positions of the face I structural section chip 202 of also selecting to arrange in pairs or groups, its top also piling up with.Must explanation be, pile up when accomplishing, the both sides branching portion of E structural section chip 200 and I structural section chip 202 are the outsides that are in coiling cell body 112, are not in central channel 112A, having only center pillar portion is in central channel 112A.
According to an embodiment, wherein the thickness of E structural section chip, I structural section chip is about 0.35mm, and E structural section chip has in the center pillar portion of central authorities and the branching portion on both sides; The width dimensions of center pillar portion is b; The branching portion width dimensions on both sides is respectively a, c, and center pillar portion is placed in this central channel, and the branching portion on both sides is placed in this outside; B=a+c wherein, perhaps b＞a+c also can.
This steel chip is optional from one of pattern: the mixed pattern of taking of silicon steel sheet, nickel steel sheet or silicon steel sheet and nickel steel sheet.One of mixed advantage of taking pattern is both can reach the requirement of specification, and can reduce chip-stacked total cost.And the winding ratio of this first lateral coil and this second lateral coil is 1: 20, and therefore can reach step-up ratio is 20.
Shown in Fig. 4 B, be that the narration that top core piles up is showed with stereogram.
According to an embodiment, the E structural section chip that Fig. 2 A, Fig. 2 B are adopted, the size (mm) of I structural section chip are:
| A | B | C | D | E | F | G |
| 31 | 13 | 6.5 | 2.5 | 17 | 23.5 | 6.5 |
Fig. 6 A discloses core and its stack manner of low another embodiment of thickness transformer.Different with front embodiment is, this core is to pile up by N E structural section chip 500, a M I structural section chip 501, with L shape of the mouth as one speaks steel chip 503 to form, and L shape of the mouth as one speaks steel chip 503 is to pile up and be surrounded on around the outside of the cell body 112 that winds the line.
According to an embodiment, N=6 wherein, M=5, L=3, and piling up of N E structural section chip 500 be the pattern that is staggeredly stacked, shown in Fig. 6 A.
According to an embodiment, wherein, pile up on the face this each E structural section chip 500 I structural section chip 501 of optionally arranging in pairs or groups in one.Such as, after first E structural section chip 500 was piled up by the right-hand insertion of central channel 112A, its same corresponding left choice of location of face of piling up or not I structural section chip; But pile up on the face in second, E structural section chip 500 is same to pile up the corresponding right-hand choice of location of the face I structural section chip 501 of arranging in pairs or groups, and also piling up of its top analogized.Must explanation be, pile up when accomplishing, the both sides branching portion of E structural section chip 500 and I structural section chip 501 are the outsides that are in coiling cell body 112, are not in central channel 112A, having only center pillar portion is in central channel 112A.
Further different with front embodiment is further to pile up one or two or three (the best) shape of the mouth as one speaks steel chips 503 again in the 6th E structural section chip 500 tops.
Wherein the thickness of this E structural section chip 500, shape of the mouth as one speaks steel chip 503, I structural section chip 501 is about 0.35mm; E structural section chip has in a center pillar portion of central authorities and the branching portion on both sides; The width dimensions of center pillar portion is b, and the branching portion width dimensions on both sides is respectively a, c, and center pillar portion is placed in this central channel 112A; The branching portion on both sides is placed in this outside, wherein b=a+c or b＞a+c.
Wherein this steel chip is optional from one of pattern: the mixed pattern of taking of silicon steel sheet, nickel steel sheet or silicon steel sheet and nickel steel sheet.
Fig. 6 B discloses the shape of E structural section chip, an embodiment of size relationship, but is not limited thereto.
Shown in Fig. 6 C, be that the narration that top core piles up is showed with stereogram.
Fig. 5 A, Fig. 5 B, Fig. 5 C disclose the shape of E structural section chip, I structural section chip, shape of the mouth as one speaks steel chip one embodiment respectively.
According to an embodiment, the size (mm) of the E structural section chip that Fig. 5 A, Fig. 5 B, Fig. 5 C are adopted, I structural section chip, shape of the mouth as one speaks steel chip is:
| A | B | C | D | E | F | G | H |
| 26 | 13 | 4 | 2.5 | 17 | 21 | 4 | 18 |
By above a plurality of embodiment; After experimental verification; Can know the purpose of these embodiment attainable cost case creation; Promptly the transformer of low thickness satisfies each specification requirement of transformer height overall (thickness), step-up ratio, maximum output voltage value, wave mode undistorted (when a certain lowest audible frequencies and maximum output voltage value).
The utility model is described by above-mentioned related embodiment, yet the foregoing description is merely the example of implementing the utility model.Must be pointed out that the embodiment that has disclosed does not limit the scope of the utility model.On the contrary, change and the retouching in spirit that does not break away from the utility model and scope, done all belong to the scope of patent protection of the utility model.
Claims (12)
1. the transformer of a low thickness is characterized in that comprising:
Drum stand, the middle position of drum stand has the coiling cell body, supplies first lateral coil, second lateral coil to twine around this coiling cell body, and the coiling cell body defines a central channel and with respect to the outside of this central channel; And
Supply the core of the usefulness of magnetic conduction, be placed in this central channel or should the outside, this core is by N E structural section chip, and M chip-stacked forming of I structural section.
2. the transformer of low thickness as claimed in claim 1 is characterized in that: N=6, and M=4, and N E structural section chip is to pile up with the form that is staggeredly stacked.
3. the transformer of low thickness as claimed in claim 1; It is characterized in that: the thickness of E structural section chip is 0.35mm, and E structural section chip has in a center pillar portion of central authorities and the branching portion on both sides, and the width dimensions of center pillar portion is b; The branching portion width dimensions on both sides is respectively a, c; Center pillar portion is placed in this central channel, and the branching portion on both sides is placed in this outside, wherein b=a+c.
4. the transformer of low thickness as claimed in claim 1 is characterized in that, piles up on the face this each E structural section chip I structural section chip of optionally arranging in pairs or groups in one.
5. the transformer of low thickness as claimed in claim 1, the winding ratio that it is characterized in that this first lateral coil and this second lateral coil is 1: 20.
6. the transformer of low thickness as claimed in claim 1, it is characterized in that: N E structural section chip is to pile up with the form that homonymy piles up.
7. the transformer of low thickness as claimed in claim 6 is characterized in that: N=6, M=6.
8. the transformer of a low thickness is characterized in that comprising:
Drum stand, the middle position of drum stand has the coiling cell body, supplies first lateral coil, second lateral coil to twine around this coiling cell body, and the coiling cell body defines a central channel and with respect to the outside of central channel; And
Supply the core of the usefulness of magnetic conduction, be placed in this central channel or should the outside, this core is by N E structural section chip, a M I structural section chip, and L chip-stacked forming of shape of the mouth as one speaks steel, and L shape of the mouth as one speaks steel chip is the outside of piling up and being surrounded on the cell body that winds the line.
9. the transformer of low thickness as claimed in claim 8 is characterized in that N=6, M=5, and L=3, and N E structural section chip is to pile up with the form that is staggeredly stacked.
10. the transformer of low thickness as claimed in claim 8 is characterized in that, piles up on the face this each E structural section chip I structural section chip of optionally arranging in pairs or groups in one.
11. the transformer of low thickness as claimed in claim 8; The thickness that it is characterized in that this E structural section chip is 0.35mm, and E structural section chip has in a center pillar portion of central authorities and the branching portion on both sides, and the width dimensions of center pillar portion is b; The branching portion width dimensions on both sides is respectively a, c; Center pillar portion is placed in this central channel, and the branching portion on both sides is placed in this outside, wherein b=a+c or b＞a+c.
12. the transformer of low thickness as claimed in claim 8, the winding ratio that it is characterized in that this first lateral coil and this second lateral coil is 1: 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201559518U CN202167333U (en) | 2011-05-07 | 2011-05-07 | Low-thickness transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201559518U CN202167333U (en) | 2011-05-07 | 2011-05-07 | Low-thickness transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202167333U true CN202167333U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201559518U Expired - Fee Related CN202167333U (en) | 2011-05-07 | 2011-05-07 | Low-thickness transformer |
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| CN (1) | CN202167333U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374521A (en) * | 2015-12-17 | 2016-03-02 | 平湖市四通电源厂 | Novel EI-shaped transformer |
| CN112640015A (en) * | 2018-09-21 | 2021-04-09 | 株式会社自动网络技术研究所 | Electric reactor |
-
2011
- 2011-05-07 CN CN2011201559518U patent/CN202167333U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374521A (en) * | 2015-12-17 | 2016-03-02 | 平湖市四通电源厂 | Novel EI-shaped transformer |
| CN105374521B (en) * | 2015-12-17 | 2017-11-21 | 平湖市四通电源厂 | A kind of EI types transformer |
| CN112640015A (en) * | 2018-09-21 | 2021-04-09 | 株式会社自动网络技术研究所 | Electric reactor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20150507 |
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| EXPY | Termination of patent right or utility model |