CN103426617A - Transformer - Google Patents
Transformer Download PDFInfo
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- CN103426617A CN103426617A CN2012101519666A CN201210151966A CN103426617A CN 103426617 A CN103426617 A CN 103426617A CN 2012101519666 A CN2012101519666 A CN 2012101519666A CN 201210151966 A CN201210151966 A CN 201210151966A CN 103426617 A CN103426617 A CN 103426617A
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- iron core
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Abstract
A transformer comprises a reel. The reel comprises a base and a body. The body is disposed on the base. The body is provided with a passage which passes through the body. The passage is provided with two openings. Each opening is provided with a first circle center. The body is parallel to the base and is defined into a first body part and a second body part on two sides of a first plane of the first circle center respectively. The second body part is connected between the first body part and the base. The first body part and the second body part are asymmetric in relation to the first plane and are unequal in height.
Description
Technical field
The present invention relates to a kind of transformer, particularly a kind of horizontal type transformer.
Background technology
Along with scientific and technological progress, the kind of household appliances is tinkling of jades meets the eye on every side, yet drives every kind of required voltage and power of electrical equipment to be not quite similar, thereby voltage and the power of range transformer so that different demands to be provided need to be arranged.At present, the power transformer product that industry is often used has two kinds.A kind of is high frequency transformer, generally is mainly Switching Power Supply power transfer transformer.Another kind is low-frequency transformer, is general silicon steel sheet transformer.
Traditional transformer includes drum stand (bobbin) and iron core group.The drum stand of transformer can for main coiling (primary winding coil) and secondary rolling thread (secondary winding coil) repeatedly around.Iron core group partly is arranged in drum stand, can make iron core group and the main coiling that repeatedly is around in drum stand and secondary rolling thread produce the electromagnetic coupled induction, so as to reaching the purpose of voltage transitions.
At present, all there is leakage inductance in transformer, i.e. the inductance that the magnetic flux that main coiling produces produces while not being coupled to secondary rolling thread fully.Therefore, usually, when using transformer, need to utilize variety of way to reduce leakage inductance on the one hand, to reduce the loss of energy, improve the conversion efficiency of transformer; Need on the other hand to utilize leakage inductance to reach the demand of resonance, it requires the leakage inductance value of transformer must reach demanding criteria, could produce good resonance.Thereby need the leakage inductance of adjusting transformer to meet various demand.
Yet, in current electronic industry under compact trend, under the state that can remain unchanged in former performance, further reach and reduce assembly, reduce costs, reduce the advantage such as space, and then improve product market share, this problem that be the anxious wish solution of industry.
Summary of the invention
For solving the problem of conventional art, the invention provides a kind of transformer, it is mainly in the situation that the height aspect is restricted and usefulness can not have again too large variation, sinks towards base by the body that makes drum stand, and then reaches the purpose of the height minimizing that makes transformer integral body.And the present invention is not in the situation that affect as far as possible usefulness, the height ratio of sinking for the relative base of body of transformer proposes preferably scope, and then obtains suitable balance between the height of transformer and usefulness simultaneously.In addition, in order to coordinate the drum stand of above-mentioned sunk type, must the arrange in pairs or groups iron core of unsymmetric form of transformer of the present invention.Due to iron core of the present invention asymmetric, while therefore being incorporated into drum stand relatively drum stand turn to correct direction and just can complete combination.Too high for the error rate that further minimizing iron core group is bonded to drum stand, the present invention further arranges when the fool proof mark combines to facilitate and carries out identification on asymmetrical iron core.
According to an embodiment of the present invention, a kind of transformer comprises drum stand.Drum stand comprises base and body.Body is arranged on base.Body has passage.Passage runs through body.Passage has two openings.Each opening has first center of circle.Body is defined as respectively first body and the second body in the both sides on parallel base and the first plane by first center of circle, and the second body is connected between first body and base.First body first plane relative to the second body is asymmetric and not contour.
In one embodiment of the invention, above-mentioned first body has the first height on the direction on vertical the first plane, and the second body has the second height on the direction on vertical the first plane, and second highly is less than the first height.
In one embodiment of the invention, above-mentioned body further comprises two abutment faces.Each opening is positioned on corresponding abutment face.The profile of each abutment face is the part of circle, and circle is concentric with corresponding opening.
In one embodiment of the invention, the ratio of the second above-mentioned highly relative radius of a circle is 80% ~ 90%.
In one embodiment of the invention, above-mentioned body further comprises winding slot.Winding slot is surrounded on the outer wall of passage and between abutment face.
In one embodiment of the invention, above-mentioned transformer further comprises iron core.Iron core has groove and cylinder.Cylinder is positioned at the bottom of groove.Iron core is by making cylinder penetrate corresponding opening and making the abutment face corresponding to base abuts of groove and be incorporated into body, and then the part body is sticked between the sidewall and cylinder of groove.
In one embodiment of the invention, above-mentioned iron core has bottom surface.When iron core group is bonded to body, iron core is with the bottom surface base that aligns.
In one embodiment of the invention, above-mentioned cylinder has end face.End face has second center of circle.The both sides on second plane of iron core in parallel bottom surface and by second center of circle are defined as respectively the first iron core section and the second iron core section.The corresponding first body of the first iron core section, corresponding the second body of the second iron core section.Bottom surface is positioned at the second body.The first iron core section is asymmetric and not contour with the second relative the second plane of iron core section.
In one embodiment of the invention, above-mentioned iron core has end face.End face has the fool proof mark.
In one embodiment of the invention, above-mentioned first body has the first height on the direction on vertical the first plane, the second body has the second height on the direction on vertical the first plane, and relative the first height of the thickness of base is approximately 5% ~ 10% with the ratio of the height summation of the second height.
The accompanying drawing explanation
Fig. 1 means the three-dimensional exploded view according to the transformer of one embodiment of the invention.
The front view of the drum stand in Fig. 2 presentation graphs 1.
The front view of the iron core in Fig. 3 presentation graphs 1.
Wherein, description of reference numerals is as follows:
1: transformer 10: drum stand
100: base 102: body
102a: first body 102b: the second body
102c: path 10 2d: abutment face
102e: opening 102f: winding slot
104: pin 12: iron core
12a: the first 12b of iron core section: the second iron core section
120: groove 120a: end face
120b: bottom surface 122: cylinder
122a: end face 124: fool proof mark
C: circle CP1: first center of circle
CP2: the second center of circle H1: the first height
H2: the second height H b: thickness
Hs: height summation P1: the first plane
P2: the second plane R: radius
Embodiment
Below will disclose a plurality of execution mode of the present invention with accompanying drawing, as clearly stated, the details on many practices will be explained in the following description.Yet, should be appreciated that, the details on these practices does not apply to limit the present invention.That is to say, in part execution mode of the present invention, the details on these practices is non-essential.In addition, for the purpose of simplifying accompanying drawing, habitual structure and the assembly of some tradition will mean in the mode of simply illustrating in the accompanying drawings.
A technology type of the present invention is a kind of transformer.More particularly, it is mainly in the situation that the height aspect is restricted and usefulness can not have again too large variation, sinks towards base by the body that makes drum stand, and then reaches the purpose of the height minimizing that makes transformer integral body.And the present invention is not in the situation that affect as far as possible usefulness, the height ratio of sinking for the relative base of body of transformer proposes preferably scope, and then obtains suitable balance between the height of transformer and usefulness simultaneously.In addition, in order to coordinate the drum stand of above-mentioned sunk type, must the arrange in pairs or groups iron core of unsymmetric form of transformer of the present invention.Due to iron core of the present invention asymmetric, while therefore being incorporated into drum stand relatively drum stand turn to correct direction and just can complete combination.Too high for the error rate that further minimizing iron core group is bonded to drum stand, the present invention further arranges when the fool proof mark combines to facilitate and carries out identification on asymmetrical iron core.
Please refer to Fig. 1.Fig. 1 means the three-dimensional exploded view according to the transformer 1 of one embodiment of the invention.
As shown in Figure 1, transformer 1 of the present invention can be the horizontal type transformer that is applied to (adaptor) in rectifier, but not as limit.In other words, transformer 1 of the present invention can be applied to any electronic product that the transformation demand is arranged, as long as the demand that must meet limitation in height is arranged in assembling process, all can apply concept of the present invention in the situation that do not affect as far as possible usefulness the whole height of transformer 1 is moderately reduced.
As shown in Figure 1, in the present embodiment, transformer 1 comprises drum stand 10 and two iron cores 12.Below will introduce in detail the structure configuration of each assembly that the transformer 1 of the present embodiment comprises.
Please refer to Fig. 2.The front view of the drum stand 10 in Fig. 2 presentation graphs 1.
As shown in Figure 1 and Figure 2, in the present embodiment, the drum stand 10 of transformer 1 comprises base 100, body 102 and a plurality of pin 104.The body 102 of drum stand 10 is arranged on base 100.The body 102 of drum stand 10 has path 10 2c.The path 10 2c of body 102 runs through body 102.The path 10 2c of body 102 has two opening 102e.Each opening 102e of path 10 2c has the first center of circle CP1.The body 102 of drum stand 10 in the both sides of the first plane P 1 of parallel base 100 and the first center of circle CP1 by opening 102e (that is, the both sides up and down of the first plane P 1 in Fig. 2) be defined as respectively first body 102a and the second body 102b, and the second body 102b of body 102 is connected between first body 102a and base 100.The first body 102a of body 102 is relative with the second body 102b, and the first plane P 1 is asymmetric and not contour.The pin 104 of drum stand 10 is arranged at base 100 times.
At this, be noted that in the present embodiment, the first body 102a of body 102 has the first height H 1 on the direction of vertical the first plane P 1.The second body 102b of body has the second height H 2 on the direction of vertical the first plane P 1.And the second height H 2 of the second body 102b is less than the first height H 1 of first body 102a.First body and the second body compared to traditional transformer have symmetrical and contour design, the present invention is asymmetric and make the second height H 2 be less than the design of the first height H 1 by the first body 102a that makes body 102 first plane P 1 relative to the second body 102b, can make the body 102 of drum stand 10 sink towards base 100, and then reach the purpose of the height minimizing that makes transformer 1 integral body.
As shown in Figure 1 and Figure 2, in the present embodiment, the body 102 of drum stand 10 further comprises two abutment face 102d.Each opening 102e of path 10 2c is positioned on corresponding abutment face 102d.The profile of each abutment face 102d of body 102 is the part of circle C (as shown in the dotted line of Fig. 2), and circle C is concentric with corresponding opening 102e.In the present embodiment, the first height H 1 of the first body 102a of body 102 and the second height H 2 of the second body 102b all have reduction, therefore the top of circle C is cut and be represented by dotted lines, and the bottom of circle C is also excised and is represented by dotted lines equally by base 100.
As shown in Figure 2, in the present embodiment, the ratio of the radius R of the relatively round C of the second height H 2 of the second body 102b is 80% ~ 90%.For instance, if the radius R of circle C is 9 millimeters, the second height H 2 of the second body 102b can be reduced to 7.2～8.1 millimeters, and then in the situation that do not affect as far as possible transformer 1 usefulness, make the body 102 of drum stand 10 sink and reach the purpose that reduces transformer 1 whole height towards base 100.When the second height H 2 of the second body 102b can be reduced to below 7.2 millimeters, eclipse condition can occur with base 100 in the path 10 2c of body 102, makes the usefulness of transformer 1 be affected.Therefore, in the present embodiment, the lower limit suggestion of the ratio of the radius R of the relatively round C of the second height H 2 of the second body 102b is 80%.
Please refer to Fig. 3.The front view that Fig. 3 is the iron core 12 in presentation graphs 1.
As shown in Figures 1 and 3, in the present embodiment, each iron core 12 of transformer 1 all has groove 120 and cylinder 122.The cylinder 122 of iron core 12 is positioned at the bottom of groove 120.Each iron core 12 of transformer 1 all has end face 120a and bottom surface 120b.In the present embodiment, the sidewall of the groove 120 of iron core 12 is non-closing form, and is open shape in end face 120a and 120b place, bottom surface.Two iron cores 12 of transformer 1 can be by making cylinder 122 separately penetrate opening 102e corresponding on body 102, and make abutment face 102d corresponding on the base abuts body 102 of groove 120 separately and be incorporated into the body 102 of drum stand 10, and then part body 102 is sticked between the sidewall and cylinder 122 of groove 120.Now, be combined in respectively the cylinder 122 of two iron cores 12 of drum stand 10 both sides can be mutually against.In addition, in the present embodiment, when the iron core 12 of transformer 1 is incorporated into the body 102 of drum stand 10, iron core 12 is with bottom surface 120b alignment base 100 (the bottom surface 120b of iron core 12 can be just against or not against base 100).
As shown in Figure 3, in the present embodiment, the cylinder 122 of each iron core 12 has end face 122a.The end face 122a of cylinder 122 has the second center of circle CP2.In the both sides of parallel bottom surface 120b and the second plane P 2 by the second center of circle CP2, (that is, the both sides up and down of the second plane P 2 in Fig. 3) is defined as respectively the first 12a of iron core section and the second 12b of iron core section to each iron core 12.The first body 102a of the corresponding body 102 of the first 12a of iron core section of iron core 12, the second body 102b of the corresponding body 102 of the second 12b of iron core section of iron core 12.The bottom surface 120b of each iron core 12 is positioned at the second body 102b.And the first 12a of iron core section of each iron core 12 is asymmetric and not contour with relative the second plane P 2 of the second 12b of iron core section.
At this, be noted that, body 102 design that there is asymmetric first body 102a and the second body 102b in order to adapt to drum stand 10, so the first 12a of iron core section of each iron core 12 of transformer 1 and the second 12b of iron core section also must be asymmetric and not contour design accordingly.
As shown in Figures 1 and 3, in the present embodiment, due to iron core of the present invention 12 asymmetric, therefore when iron core 12 is incorporated into drum stand 10 relatively drum stand 10 turn to correct direction and just can complete combination.Too high for the error rate that further minimizing iron core 12 is incorporated into drum stand 10, the present invention more arranges fool proof mark 124 on the end face 120a of each iron core 12.Whereby, assembler can recognize the fool proof mark 124 of the end face 120a that is positioned at iron core 12 and inerrably iron core 12 is incorporated into to the body 102 of drum stand 10 by visual mode.In the present embodiment, the fool proof sign that is positioned at the end face 120a of iron core 12 can be indentation as shown in Figure 3, but not as limit.
As shown in Figure 1, in the present embodiment, the body 102 of drum stand 10 further comprises winding slot 102f.The winding slot 102f of body 102 is surrounded on the outer wall of path 10 2c and between abutment face 102d.The winding slot 102f of body 102 can for main coiling and secondary rolling thread (not shown) repeatedly around.Whereby, after two iron cores 12 are respectively combined to drum stand 10, two iron cores 12 can produce the inductance coupling induction with the main coiling and the secondary rolling thread that repeatedly are around in winding slot 102f, so as to reaching the purpose of voltage transitions.
In another embodiment, also can make the first height H 1 of first body 102a be less than the second height H 2 of the second body 102b.That is, the body 102 of drum stand 10 not sinks towards base 100, but directly by directly reducing the first height H 1 above the first body 102a of body 102, can reduce the whole height of transformer 1 of the present invention equally, and the first body 102a of the relative body 102 of thickness Hb of base 100 (the first height H 1) is 5% ~ 10% with the ratio of the height summation Hs of the second body 102b (the second height H 2).Yet, directly reduce the embodiment of the first height H 1 compared to the top of the first body 102a by body 102, the design that the present invention makes the body 102 of drum stand 10 sink towards base 100 in Fig. 1 and Fig. 2 (that is, second height H 2 of reducing the second body 102b) can reach higher coiling copper window ara utilization rate.In other words, the present invention makes the body 102 of drum stand 10 sink towards base 100 in Fig. 1 and Fig. 2 design by second height H 2 of reducing the second body 102b, can reach and suitably reduce transformer 1 whole height and do not affect as far as possible the effect of transformer 1 usefulness simultaneously.
By the above detailed description for specific embodiments of the invention, can find out significantly, transformer of the present invention is in the situation that the height aspect is restricted and usefulness can not have again too large variation, sink towards base by the body that makes drum stand, and then reach the purpose of the height minimizing that makes transformer integral body.And the present invention is not in the situation that affect as far as possible usefulness, the height ratio of sinking for the relative base of body of transformer proposes preferably scope, and then obtains suitable balance between the height of transformer and usefulness simultaneously.In addition, in order to coordinate the drum stand of above-mentioned sunk type, must the arrange in pairs or groups iron core of unsymmetric form of transformer of the present invention.Due to iron core of the present invention asymmetric, while therefore being incorporated into drum stand relatively drum stand turn to correct direction and just can complete combination.Too high for the error rate that further minimizing iron core group is bonded to drum stand, the present invention more arranges when the fool proof mark combines to facilitate and carries out identification on asymmetrical iron core.
Although the present invention discloses as above with execution mode; yet it is not in order to limit the present invention; any technical staff who knows this skill; without departing from the spirit and scope of the present invention; can do various modifications and distortion, thus protection scope of the present invention with the scope defined of the application's claims be as the criterion.
Claims (10)
1. a transformer comprises:
One drum stand comprises:
One base; And
One body, be arranged on this base, this body has a passage, this passage runs through this body, this passage has two openings, each described opening has one first center of circle, and wherein this body is defined as respectively a first body and one second body in the both sides on parallel this base and one first plane by described first center of circle, and this second body is connected between this first body and this base;
Wherein this first body this first plane relative to this second body is asymmetric.
2. transformer as claimed in claim 1, wherein this first body has one first height on the direction on vertical this first plane, this second body has one second height on the direction on vertical this first plane, and this second highly is less than this first height.
3. transformer as claimed in claim 2, wherein this body further comprises two abutment faces, and each described opening is positioned on this corresponding abutment face, the part that the profile of each described abutment face is a circle, and this circle is concentric with this corresponding opening.
4. transformer as claimed in claim 3, wherein this second highly relatively the ratio of this radius of a circle be 80% ~ 90%.
5. transformer as claimed in claim 3, wherein this body further comprises a winding slot, is surrounded on the outer wall of this passage and between two described abutment faces.
6. transformer as claimed in claim 3, further comprise an iron core, this iron core has a groove and a cylinder, this cylinder is positioned at the bottom of this groove, wherein this iron core is by making this cylinder penetrate corresponding opening and making this abutment face corresponding to base abuts of this groove and be incorporated into this body, and then this body of part is sticked between the sidewall and this cylinder of this groove.
7. transformer as claimed in claim 6, wherein this iron core has a bottom surface, and when this iron core group is bonded to this body, this iron core is with this bottom surface this base that aligns.
8. transformer as claimed in claim 7, wherein this cylinder has an end face, this end face has one second center of circle, the both sides on one second plane of this iron core in parallel this bottom surface and by this second center of circle are defined as respectively one first iron core section and one second iron core section, this the first iron core section is to should the first noumenon section, this the second iron core section is to should the second body, and this bottom surface is positioned at this second body, and this first iron core section this second plane relative to this second iron core section is asymmetric and not contour.
9. transformer as claimed in claim 6, wherein this iron core has an end face, and this end face has a fool proof mark.
10. transformer as claimed in claim 1, wherein this first body has one first height on the direction on vertical this first plane, this second body has one second height on the direction on vertical this first plane, and relative this first height of the thickness of this base is approximately 5% ~ 10% with the ratio of a height summation of this second height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101519666A CN103426617A (en) | 2012-05-16 | 2012-05-16 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101519666A CN103426617A (en) | 2012-05-16 | 2012-05-16 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103426617A true CN103426617A (en) | 2013-12-04 |
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ID=49651224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101519666A Pending CN103426617A (en) | 2012-05-16 | 2012-05-16 | Transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103426617A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446362A (en) * | 2000-11-28 | 2003-10-01 | 环隆科技股份有限公司 | Ferrite core |
| US20050140485A1 (en) * | 2003-12-26 | 2005-06-30 | Delta Electronics, Inc. | Transformer structure |
-
2012
- 2012-05-16 CN CN2012101519666A patent/CN103426617A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1446362A (en) * | 2000-11-28 | 2003-10-01 | 环隆科技股份有限公司 | Ferrite core |
| US20050140485A1 (en) * | 2003-12-26 | 2005-06-30 | Delta Electronics, Inc. | Transformer structure |
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Application publication date: 20131204 |