CN101847498A - Transformer structure and insulation seat body used for same - Google Patents
Transformer structure and insulation seat body used for same Download PDFInfo
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- CN101847498A CN101847498A CN200910128885A CN200910128885A CN101847498A CN 101847498 A CN101847498 A CN 101847498A CN 200910128885 A CN200910128885 A CN 200910128885A CN 200910128885 A CN200910128885 A CN 200910128885A CN 101847498 A CN101847498 A CN 101847498A
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- 238000004804 winding Methods 0.000 claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims description 42
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- 238000003860 storage Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 3
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- 238000004519 manufacturing process Methods 0.000 description 5
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 239000004033 plastic Substances 0.000 description 2
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Abstract
The invention relates to a transformer structure and an insulation seat body used for the same. The transformer structure is arranged on a circuit board and comprises a winding group, a magnetic core group and an insulation seat body, wherein the winding group comprises a winding frame, a primary winding and a secondary winding, the winding frame is used for winding the primary winding and the second winding, the primary winding is provided with at least one first outlet end; the magnetic core group comprises a first magnetic core and a second magnetic core, the winding group is arranged between the first magnetic core and the second magnetic core; and the insulation seat body comprises an accommodating space and at least one pin, the winding group and the magnetic core group are accommodated into the accommodating space, and the first outlet end of the primary winding of the winding group is connected with the pin so as to be electrically connected with the circuit board through the pin. The invention simplifies the assembling process and the assembling cost of a transformer and improves the qualified rate of the transformer.
Description
Technical field
The present invention relates to a kind of transformer device structure, refer to a kind of transformer device structure especially with insulating base frame.The invention still further relates to a kind of insulating base frame that is used for transformer device structure.
Background technology
Transformer is a magnetic element common in the electric equipment, and it utilizes electric energy, magnetic energy transformation induction principle and adjusts voltage, and making voltage reach electric equipment can applicable scope.
See also Fig. 1, it is the structural representation of known transformer.As shown in Figure 1, transformer 1 comprises drum stand 10, main coiling and secondary rolling thread (not shown) are wound on the drum stand 10, and outside main, secondary rolling thread, coat insulating tape 12, first leading-out terminal 131 of main coiling can be wound on the pin 101 that extends from drum stand 10, and second leading-out terminal 141 of secondary rolling thread be to overlap attached fly line with sleeve pipe 142.Transformer 1 also comprises magnetic core set 11 simultaneously, this magnetic core set 11 is assembled on the drum stand 10 that has twined main, secondary rolling thread, coat several layers of insulating tape 12 again in magnetic core set 11 peripheries at last, guaranteeing that transformer 1 meets security regulations, and known transformer 1 can utilize second leading-out terminal 141 of pin 101 and secondary rolling thread to electrically connect with circuit board (not shown).
Yet, known transformer 1 is because peripheral writhing number layer insulating tape 12, the step of twining insulating tape 12 not only expends man-hour, and the volume of transformer 1 can increase because of the winding of insulating tape 12, outward appearance is also wayward, thereby when transformer 1 is arranged on the circuit board (not shown), just can cause negative effect to the integral layout of circuit board.For example: insulating tape 12 may be oppressed electronic component contiguous on the circuit board with respect to the knuckle 121 that transformer 1 protrudes, and transformer 1 also can increase other electronic components that touch on the circuit board because of volume, again since first leading-out terminal 131 of the main of transformer 1 coiling must be wound on the pin 101 of drum stand 10, not only managing line is difficult for, and touch or touch contiguous electronic component each other because of lead winding volume is excessive easily, this all can cause short circuit phenomenon.In addition, first leading-out terminal 131 of each main coiling of known transformer 1 must additionally overlap attached sleeve pipe 132, to prevent first leading-out terminal 131 line ball that overlaps each other, and scurry tin when avoiding first leading-out terminal 131 and scald the broken main insulating barrier that winds the line with pin 101 welding, but the manufacturing process to the attached sleeve pipe 132 of first leading-out terminal, 131 covers of main coiling is loaded down with trivial details one by one, and also can improve the manufacturing cost of transformer 1 relatively; And, be difficult to be inserted in accordingly the problems of giving tacit consent on the circuit board such as jack so when transformer 1 is arranged on the circuit board (not shown), also exist the location to be difficult for because second leading-out terminal 141 of secondary rolling thread is a fly line.
In view of this, how to develop a kind of transformer with insulating base frame, to solve many shortcomings of known technology, real is the problem of personnel's solution that presses at present of correlative technology field.
Summary of the invention
Main purpose of the present invention is for providing a kind of transformer device structure and being used for the insulating base frame of transformer device structure, this transformer device structure utilizes insulating base frame to replace the known insulating tape that is wound in the transformer periphery, to save man-hour and to avoid the adverse effect that winding was caused because of insulating tape.In addition, transformer of the present invention also utilizes the groove of first extension of insulating base frame to guide first leading-out terminal of main coiling so that twine with pin, and the hole that passes through second extension of insulating base frame is located second leading-out terminal of secondary rolling thread, cooperate simultaneously structure such as the storage tank of drum stand and groove and simplify the packaging technology and the cost of transformer, and improve the qualification rate of transformer with insulating base frame.
For achieving the above object, of the present invention one than the form of implementation of broad sense for a kind of transformer device structure is provided, it is arranged on the circuit board, and this transformer device structure comprises: the coiling group, it comprises drum stand, main coiling and secondary rolling thread, drum stand winds the line and secondary rolling thread in order to twine main, and the main coiling has at least one first leading-out terminal; Magnetic core set, it comprises first magnetic core and second magnetic core, the coiling group is arranged between first, second magnetic core; And insulating base frame, it comprises accommodation space and at least one pin, coiling group and magnetic core set appearance close in the accommodation space, and first leading-out terminal of the main of coiling group coiling links to each other with pin, to electrically connect by pin and circuit board.
According to conception of the present invention, wherein insulating base frame also comprises: a sidewall, and it is provided with opening and recess; The bottom surface, itself and sidewall define accommodation space jointly; First extension, it is extended by edge of opening, and pin is arranged at first extension; And second extension, it is in fact corresponding to recess.
According to conception of the present invention, wherein first extension of insulating base frame also comprises at least one groove, and second extension also comprises at least one hole.
According to conception of the present invention, first leading-out terminal of the main of wherein coiling group coiling pass insulating base frame sidewall opening and the groove guiding by first extension and be connected with pin, at least one second leading-out terminal of secondary rolling thread passes the hole of the recess of sidewall of insulating base frame and second extension in regular turn and electrically connects with circuit board.
According to conception of the present invention, wherein has a spacing between first extension of insulating base frame and the bottom surface.
According to conception of the present invention, wherein also comprise location structure in the accommodation space of insulating base frame, in order to location magnetic core set and coiling group.
According to conception of the present invention, the drum stand of wherein coiling group also comprises: body; Passage, it runs through body; And first baffle plate and second baffle, it is positioned at two opposite sides of body, and defines winding region jointly with body, and main coiling and secondary rolling thread are wound in winding region.
According to conception of the present invention, first, second baffle plate of the drum stand of wherein coiling group comprises a plurality of projections respectively, first magnetic core of the projection location magnetic core set of first baffle plate, second magnetic core of the projection location magnetic core set of second baffle.
According to conception of the present invention, first baffle plate of the drum stand of wherein coiling group also comprises at least one storage tank, it is in fact corresponding to first extension of insulating base frame, and second baffle also comprises at least one groove, and it is in fact corresponding to the recess of the sidewall of insulating base frame.
According to conception of the present invention, wherein first magnetic core of magnetic core set and second magnetic core comprise plane, jack-post and two wall extensions separately, jack-post and wall extension are extended by the plane, and jack-post is placed in the passage of drum stand of coiling group, and plane and wall extension partly are coated on coiling group periphery.
For achieving the above object, of the present invention another than the form of implementation of broad sense for a kind of insulating base frame is provided, it is applied to a transformer, this transformer is arranged on the circuit board and comprises coiling group and magnetic core set, the coiling group comprises drum stand and is arranged at main coiling and secondary rolling thread on the drum stand, the main coiling has first leading-out terminal, and this insulating base frame comprises: accommodation space, and it receives coiling group and magnetic core set in order to hold; And at least one pin, its first leading-out terminal with the main coiling of coiling group links to each other, so that first leading-out terminal of main coiling electrically connects by pin and circuit board.
Description of drawings
Fig. 1 is the structural representation of known transformer.
Fig. 2 is the transformer device structure exploded view of first preferred embodiment of the invention.
Fig. 3 A is the structural representation of the insulating base frame of the present invention's transformer shown in Figure 2.
Fig. 3 B is the a-a ' profile of the insulating base frame shown in Fig. 3 A of the present invention.
Fig. 4 finishes and is arranged at the schematic diagram of circuit board for the present invention's transformer assembling shown in Figure 2.
Fig. 5 is the a-a ' profile with the present invention's transformer shown in Figure 4.
Fig. 6 A is the exploded view of the transformer of second preferred embodiment of the invention.
The structural representation that Fig. 6 B finishes for the assembling of the transformer shown in Fig. 6 A of the present invention.
Fig. 6 C is the a-a ' profile of the insulating base frame of the transformer shown in Fig. 6 A of the present invention.
Fig. 6 D is the a-a ' profile of the transformer shown in Fig. 6 B of the present invention.
Wherein, description of reference numerals is as follows:
Drum stand 10,20,40
Pin 101,221,421
Knuckle 121
Sleeve pipe 132,142,242,442
Body 200,400
Passage 201,401
First baffle plate 202,402
Second baffle 203,403
Winding region 204,404
The first projection 205a
The second projection 205b
The 3rd projection 205c
The 4th projection 205d
Storage tank 206,406
Groove 207,407
The first groove 207a
The second groove 207b
First magnetic core 211,411
Second magnetic core 212,412
Plane 213,413
Jack-post 214,414
Wall extension 215,415
Accommodation space 220,420
Sidewall 222,422
Bottom surface 223,423
First extension 224,424
Groove 2241,4241
Second extension 225,425
Opening 226,426
Recess 227,427
Main coiling 23,43
First leading-out terminal 131,231,431
Secondary rolling thread 24,44
Second leading-out terminal 141,241,441
Dielectric 25
Coiling group 26,46
Combining structure 27,47
First 4252
Second portion 4253
Space D
The pin length L
Aperture C, C ', C "
Height difference H
Embodiment
Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation later.Be understood that the present invention can have various variations different in form, these variations all do not depart from the scope of the present invention, and explanation wherein and the accompanying drawing usefulness that should explain in itself, but not in order to restriction the present invention.
See also Fig. 2, it is the transformer device structure split figure of first preferred embodiment of the invention.As shown in Figure 2, transformer 2 comprises coiling group 26, magnetic core set 21 and insulating base frame 22, wherein coiling group 26 comprises drum stand 20, main coiling 23 and secondary rolling thread 24, drum stand 20 is in order to twine main, secondary rolling thread 23,24, and main coiling 23 has at least one first leading-out terminal 231, and magnetic core set 21 comprises first magnetic core 211 and second magnetic core 212, coiling group 26 is arranged at first magnetic core 211, between second magnetic core 212, comprise accommodation space 220 and at least one pin 221 as for 22 of insulating base frames, coiling group 26 and magnetic core set 21 can be held in the accommodation space 220 that closes at insulating base frame 22, first leading-out terminal 231 of the main coiling 23 of coiling group 26 then can be connected with pin 221 and further electrically connect (as shown in Figure 4) with circuit board 3 by pin 221, below will describe the thin bilge construction of the transformer 2 of present embodiment in detail.
Please consult Fig. 2 again, the coiling group 26 of the transformer 2 of present embodiment comprises drum stand 20 and main, secondary rolling thread 23,24, drum stand 20 has body 200, passage 201, first baffle plate 202 and second baffle 203, wherein the profile of body 200 can be cylinder, passage 201 then runs through body 200 along the axis direction of body 200, make body 200 become a hollow cylinder structure, so the magnetic core set 21 of drum stand 20 exploitable channels 201 ccontaining parts.And first baffle plate 202 and second baffle 203 axially are divided into two opposite sides of body 200 perpendicular to body 200, and the one 202, the area of second baffle 203 is in fact greater than body 200 cross section perpendicular to axial direction, wherein body 200, first baffle plate 202 and second baffle 203 are good with the integrated formed structure that is made of plastics again, so that utilize body 200 and first baffle plate 202, second baffle 203 to define a winding region 204 jointly, twine for main coiling 23 and secondary rolling thread 24.
In the present embodiment, the main coiling 23 and the secondary rolling thread 24 that are wound in winding region 204 can be the lead (for example enamelled wire) that skin is coated with insulating barrier, wherein can be isolated by dielectric 25 (for example insulating tape) between main coiling 23 and the secondary rolling thread 24, main coiling 23 has at least one first leading-out terminal 231, and secondary rolling thread 24 has at least one second leading-out terminal 241, and first leading-out terminal 231, second leading-out terminal 241 can be in the opposite direction extends from the winding region 204 of drum stand 20, as for first leading-out terminal 231, the number of second leading-out terminal 241 is also unrestricted, and the demand of visual transformer 2 is adjusted; In addition, in order to promote insulation effect, secondary rolling thread 24 also can be set up sleeve pipe 242 and coat second leading-out terminal 241 with part.And in Fig. 2, main, secondary rolling thread 23,24 parts are blocked, so that be clearly shown that the relation between main coiling 23, secondary rolling thread 24 and the drum stand 20 of present embodiment, yet be to be understood that, main coiling 23 is essentially the lead that is wound in winding region 204 continuously, and secondary rolling thread 24 also is like this.
Please consult Fig. 2 again, on first baffle plate 202 of drum stand 20 at least one storage tank 206 can be set, this storage tank 206 is the breach with respect to first baffle plate, 202 marginal troughs, its number then matches with first leading-out terminal 231 of main coiling 23, and first leading-out terminal 231 of main coiling 23 can extend towards the position that storage tank 206 is provided with, so that utilize storage tank 206 ccontaining first leading-out terminals 231.For example: in the present embodiment, main coiling 23 has five first leading-out terminals 231, then first baffle plate 202 of drum stand 20 just can be equipped with five storage tanks 206, close in the storage tank 206 for 231 out of the ordinary appearances in order to each first leading-out terminal main coiling 23, to avoid first leading-out terminal 231 to twine mutually and to be convenient to follow-up reason line, but should be understood that the number of first leading-out terminal 231 of storage tank 206 and main coiling 23 is also unrestricted; Second baffle 203 as for drum stand 20 also can be provided with at least one groove 207, this groove 207 is with respect to the marginal trough of second baffle 203, in the present embodiment, second baffle 203 can comprise two grooves 207, the first groove 207a for example, the second groove 207b, the storage tank 206 that the first groove 207a is symmetrical in first baffle plate 202 in fact is provided with, the second groove 207b then is arranged at the opposite side of the first groove 207a, thereby can utilize the second groove 207b to limit the position of second leading-out terminal 241 of the secondary rolling thread 24 that oppositely extends with respect to first leading-out terminal 231, to avoid second leading-out terminal 241 to disturb the drum stand 20 of coiling group 26 and the assembling of magnetic core set 21, also unrestricted as for the form and the number of groove 207.
In addition, first baffle plate 202 of drum stand 20 also is provided with the first projection 205a and the second projection 205b, and second baffle 203 is provided with the 3rd projection 205c and the 4th projection 205d, the 3rd projection 205c of second baffle 203, the 4th projection 205d are provided with along the first groove 207a, the second groove 207b of second baffle 203 respectively, and are parallel to body 200 in fact and axially outwards protrude with respect to second baffle 203; And the first projection 205a of first baffle plate 202, the second projection 205b correspond respectively to the 3rd projection 205c, the 4th projection 205d of second baffle 203 and be parallel to body 200 and axially outwards protrude with respect to first baffle plate 202, in other words, the first projection 205a of first baffle plate 202 is adjacent to storage tank 206 in fact, so that utilize first to fourth projection 205a～205d on first baffle plate 202 and the second baffle 203 to locate first magnetic core 211 and second magnetic core 212 of magnetic core set 21 respectively separately.And the form of first to fourth projection 205a～205d is in fact also unrestricted, for example: the 3rd projection 205c, the 4th projection 205d of present embodiment can cooperate the groove 207 of second baffle 203 and be designed to ㄇ font projection, the first projection 205a, the second projection 205b then can be the rectangle projection, in other words, everyly protrude and can all can be used as first baffle plate 202 of drum stand 20, the projection of second baffle 203 in order to the structure of location magnetic core set 21 with respect to first baffle plate 202, second baffle 203.
Please consult Fig. 2 again, the magnetic core set 21 of transformer 2 comprises first magnetic core 211 and second magnetic core 212, in present embodiment, first magnetic core 211 is good with E shape magnetic core (E core), it has plane 213, jack-post 214 and two wall extensions 215, the width on plane 213 is slightly less than or equals the first projection 205a of first baffle plate 202 of drum stand 20 in fact, distance between the second projection 205b, two wall extensions 215 are extended by two opposite edges on plane 213, extend by plane 213 equally and between two wall extensions 215 as for jack-post 214, and the shape of jack-post 214 roughly conforms to the passage 201 of drum stand 20, therefore when first magnetic core 211 makes up with coiling group 26, the jack-post 214 of first magnetic core 211 can hold in the passage 201 that closes at drum stand 20, and the plane 213 of first magnetic core 211 can be attached on first baffle plate 202 of drum stand 20 and the first projection 205a by drum stand 20, the second projection 205b and limit moving of plane 213, make first magnetic core 211 can organize 26 drum stand 20 location with respect to coiling, two wall extensions 215 of first magnetic core 211 then can partly be coated on the periphery of coiling group 26; Also can be E shape magnetic core as for second magnetic core 212, its structure and first magnetic core 211 are roughly the same, and second magnetic core 212 is also similar with respect to the relation of first baffle plate 202 with first magnetic core 211 with respect to the relation of the second baffle 203 of drum stand 20 and the 3rd projection 205c, the 4th projection 205d, thereby just can utilize first magnetic core 211, second magnetic core 212 that coiling group 26 is located in wherein.Certainly, also can bind between first magnetic core 211, second magnetic core 212, constitute the combination of magnetic core set 21 and coiling group 26 so that coiling group 26 firmly is arranged between first magnetic core 211, second magnetic core 212 of magnetic core set 21 by sticking together medium (not shown).For convenience of description, below will represent the combination of magnetic core set 21 and coiling group 26 with combining structure 27.
Please consult Fig. 2 again and cooperate Fig. 3 A, wherein Fig. 3 A is the structural representation of the insulating base frame of transformer shown in Figure 2.In the present embodiment, transformer 2 also comprises insulating base frame 22, insulating base frame 22 has accommodation space 220, pin 221, sidewall 222, bottom surface 223, first extension 224 and second extension 225, wherein sidewall 222 is extended upward by the edge of bottom surface 223, it highly is slightly larger than the height summation of first magnetic core 211 and second magnetic core 212, so that utilize sidewall 222 and bottom surface 223 to define the accommodation space 220 that cooperates combining structure 27 jointly.In addition, sidewall 222 is provided with opening 226 and recess 227, its split shed 226 is corresponding to first leading-out terminal 231 of the main coiling 23 of coiling group 26, and recess 227 can be for by the apical margin of sidewall 222 breach to lower recess, it is corresponding to second leading-out terminal 241 (as shown in Figure 4) of secondary rolling thread 24, in the present embodiment and since first leading-out terminal 231, second leading-out terminal 241 towards on the contrary to extending, so the opening 226 of insulating base frame 22 and recess 227 are corresponding in fact each other.
Please consult Fig. 3 A again and cooperate Fig. 2, first extension 224 of insulating base frame 22 is arranged on the sidewall 222, it is parallel to 223 ground, bottom surface by opening 226 edges (for example root edge) in fact and stretches out, and between first extension 224 and the bottom surface 223 space D is arranged, and pin 221 parts of insulating base frame 22 are embedded in first extension 224, and by first extension 224 towards the bottom surface 223 direction vertical extent and going out, the length L of pin 221 is in fact greater than the space D (as shown in Figure 3A) of first extension 224 with the bottom surface 223 of insulating base frame 22, thereby can utilize part that pin 221 protrudes with respect to bottom surface 223 to be inserted in acquiescence jack 31 (as shown in Figure 4) on the circuit board 3, can match with the wind the line number of 23 first leading-out terminal 231 of main as for the number of pin 221.In addition, first extension 224 also has at least one groove 2241, groove 2241 can be parallel to pin 221 in fact, so that first leading-out terminal 231 of guiding main coiling 23, first leading-out terminal 231 can partly be held close in the groove 2241 and along groove 2241 to be wound on the contiguous pin 221.In the present embodiment, also optionally set up salient point 2242 on first extension 224, separate really to utilize salient point 2242 aid in guide, first leading-out terminal 231 and to make between first leading-out terminal 231.225 of second extensions as for insulating base frame 22 are extended by sidewall 222 corresponding to recess 227 the position being set in fact, and second extension 225 is provided with hole 2251, in the present embodiment, hole 2251 can be the circular perforations (shown in Fig. 3 B) that runs through second extension 225, its aperture C can further electrically connect (as shown in Figure 4) with circuit board 3 for second leading-out terminal 241 passes hole 2251 greater than second leading-out terminal 241 of secondary rolling thread 24 in fact.
Please consult Fig. 3 A again, also be provided with location structure 2201 in the accommodation space 220 of insulating base frame 22, in present embodiment, location structure 2201 can be the locating convex block in the corner that is arranged at bottom surface 223, and the zone that is defined between the locating convex block cooperates the shape on the plane 213 of first magnetic core 211 in fact, so that utilize location structure 2201 that combining structure 27 can be located with respect to insulating base frame 22.In addition, the sidewall 222 of the insulating base frame 22 of present embodiment, bottom surface 223, first extension 224, second extension 225 and location structure 2201 are good for the integrated formed structure made from insulation material (for example plastics), but not as limit.
See also Fig. 4 and cooperate Fig. 3, wherein Fig. 4 finishes and is arranged at the schematic diagram of circuit board for transformer assembling shown in Figure 2.As shown in Figure 2, the combining structure 27 of magnetic core set 21 and coiling group 26 can be by being placed in the accommodation space 220 of insulating base frame 22 with the bottom surface 223 of first magnetic core 211 in the face of insulating base frame 22, because the location structure 2201 in the accommodation space 220 can avoid first magnetic core 211 to rotate with respect to insulating base frame 22, thereby combining structure 27 can further be located with respect to insulating base frame 22 by the cooperation of first magnetic core 211 and location structure 2201, this moment, the storage tank 206 of first baffle plate 202 of coiling group 26 drum stand 20 was corresponding in fact and be adjacent to first extension 224 of insulating base frame 22, and place each first leading-out terminal 231 of the main coiling 23 of storage tank 206 can pass opening 226 temporarily, and be wound on the contiguous pin 221 by the salient point 2242 of first extension 224 and the guiding of groove 2241, and by scolder 28 firmly with pin 221 electrically and structures be connected; As for the second groove 207b of the second baffle 203 of drum stand 20 then in fact corresponding to the recess 227 of insulating base frame 22, the recess 227 of insulating base frame 22 can be directly passed in event by second leading-out terminal 241 of the secondary rolling thread 24 of second groove 207b restriction bearing of trend, and the hole 2251 of taking advantage of a situation and passing second extension 225, can be resisted against second extension 225 as for 242 of sleeve pipes, to form transformer 2 as shown in Figure 2.Certainly, separate with insulating base frame 22 for fear of combining structure 27, also can for example set up between the bottom surface 223 of the plane 213 of first magnetic core 211 and insulating base frame 22 and stick together medium (not shown), to guarantee the structural strength of transformer 2 at combining structure 27 and insulating base frame 22 contacted positions.
Please consult Fig. 4 again and cooperate Fig. 5, wherein Fig. 5 is the a-a ' profile of transformer shown in Figure 4.As shown in Figure 4, be known in the transformer 1 peripheral insulating tape 12 that twines, therefore can avoid making the indefinite negative effect that causes of known transformer 1 shape because of twining insulating tape 12 because transformer 2 can utilize insulating base frame 22 to replace.And first leading-out terminal 231 of the main of transformer 2 coiling 23 is inserted in the jack 31 corresponding on the circuit board 3 by pin 221 and electrically connects with circuit board 3, because pin 221 is extended by first extension 224 of insulating base frame 22, thereby when pin 221 was inserted in circuit board 3, the combining structure 27 of magnetic core set 21 and coiling group 26 was unlikely to be affected and can firmly holds in the accommodation space 220 that closes at insulating base frame 22; Second leading-out terminal 241 of the secondary rolling thread 24 of transformer 2 then can fly line form pass the hole 2251 of the recess 227 of insulating base frame 22 and second extension 225 and locate and then directly be inserted in the jack 32 corresponding on the circuit board 3 to electrically connect with circuit board 3.In addition, because first baffle plate 202 of drum stand 20 has a height difference H (as shown in Figure 5) with first extension 224 of insulating base frame 22, and first extension 224 outwards protrudes with respect to sidewall 222 in fact, therefore first leading-out terminal 231 of main coiling 23 can have long extended distance, scurries tin when avoiding first leading-out terminal 231 with pin 221 welding and scalds the problem of breaking insulating barrier; Owing between first extension 224 of insulating base frame 22 and the bottom surface 223 space D is arranged, therefore first leading-out terminal 231 can be wrapped on the pin between the space D 221 again, with prevent to manage line zone and circuit board 3 too near and touch mutually.Can pass as for 241 of second leading-out terminals of the secondary rolling thread 24 of transformer 2 insulating base frame 22 second extension 225 hole 2251 and locate, again since the hole 2251 of second extension 225 can cooperate in fact circuit board 3 acquiescence jack 32 the position is set, therefore second leading-out terminal 241 by hole 2251 location just can be inserted in the acquiescence jack 32 of circuit board 3 exactly; Moreover, in the present embodiment,, can guarantee that therefore second leading-out terminal 241 is unlikely to touch electronic component (not shown) contiguous on the circuit board 3 because the sleeve pipe 242 of second leading-out terminal 241 is resisted against second extension 225 in fact.
Certainly, the present invention is not limited to above-mentioned form of implementation, sees also Fig. 6 A and Fig. 6 B, and wherein Fig. 6 A is the split figure of the transformer of second preferred embodiment of the invention, and the structural representation that Fig. 6 B finishes for the assembling of the transformer shown in Fig. 6 A.As shown in Figure 6A, the transformer 4 of present embodiment can be octagonal stereochemical structure in fact, and comprise coiling group 46, magnetic core set 41 and insulating base frame 42, wherein coiling group 46 comprises drum stand 40, main coiling 43 and secondary rolling thread 44, and drum stand 40 also has structures such as body 400, passage 401, first baffle plate 402 and storage tank 406, second baffle 403 and groove 407, winding region 404, and coiling group 46 each structure relation to each other is roughly similar with the present invention's first preferred embodiment shown in Figure 2, so do not give unnecessary details.And in the present embodiment, first baffle plate 402, second baffle 403 also have in order to locate a plurality of projections 405 of first magnetic core 411, second magnetic core 412, yet because transformer 4 employed magnetic core set 41 shapes of present embodiment are different from magnetic core set shown in Figure 2 21, therefore projection 405 also to cooperate first magnetic core 411, second magnetic core 412 plane 413 shape and adjust so that first magnetic core 411, second magnetic core 412 can be with respect to drum stand 40 location (shown in Fig. 6 B).First magnetic core 411, second magnetic core 412 as for magnetic core set 41 comprise structures such as plane 413, jack-post 414 and wall extension 415 equally separately, and first magnetic core 411, second magnetic core 412 are all identical with first preferred embodiment of the invention with relation between the coiling group 46, so do not give unnecessary details.
Please consult Fig. 6 A again, the transformer 4 of present embodiment has insulating base frame 42 equally, insulating base frame 42 comprises structures such as accommodation space 420, pin 421, sidewall 422, bottom surface 423, first extension 424, second extension 425, opening 426, recess 427, it is all similar to the insulating base frame 22 of the Fig. 2 of the present invention and first preferred embodiment shown in Figure 3, and only the profile of the insulating base frame 42 of present embodiment is because of the combining structure 47 that cooperates magnetic core set 41 and coiling group 46 and insulating base frame 22 shown in Figure 3 difference to some extent.In addition, the sidewall 422 of the insulating base frame 42 of present embodiment is widened (shown in Fig. 6 C) gradually by apical margin to bottom surface 423, thereby the accommodation space 420 of insulating base frame 42 is essentially funnel type space wide at the top and narrow at the bottom, when making combining structure 47 insert accommodation space 420, can engage with the internal face of the sidewall 422 of insulating base frame 42 and locate, in other words, the internal face of the sidewall 422 of the insulating base frame 42 of present embodiment can be considered the location structure 4201 in the accommodation space 420 of insulating base frame 42 in fact.
Please consult Fig. 6 A again, the pin 421 of the insulating base frame 42 of the transformer 4 of present embodiment is also extended by first extension 424, and first extension 424 is provided with groove 4241 and salient point 4242, links to each other with pin 421 with first leading-out terminal 431 that guides main coiling 43; Have hole 4251 equally as for second extension 425, its second leading-out terminal 441 for secondary rolling thread 44 passes (shown in Fig. 6 B), to fix the relative position between second leading-out terminal 441 and the insulating base frame 42.And the hole 4251 of second extension 425 of the insulating base frame 42 of present embodiment is shown in Fig. 6 D, hole 4251 can be divided into first 4252 and second portion 4253, wherein first 4252 is the circular opening of C ' for the aperture, second portion 4253 is C for the aperture then " circular opening; it is connected with first 4252; and C " in fact less than C ', to utilize second of hole 4251, first 4253,4252 hold second leading-out terminal 441 and the sleeve pipe 442 thereof of receiving secondary rolling thread 44 respectively, in addition, the aperture C of the second portion 4253 of hole 4251 " directly be good with the line that cooperates second leading-out terminal 441 again; thereby second leading-out terminal 441 can pass and be sticked in the second portion 4253 of hole 4251; and then avoid rocking, be beneficial to second leading-out terminal 441 is inserted in the jack (not shown) corresponding on the circuit board.
Should understand by above-mentioned explanation, the profile of transformer of the present invention is in fact also unrestricted, projection on first, second baffle plate of the drum stand of wherein coiling group can design according to the magnetic core set that is used, so that utilize projection engaging magnetic core set, magnetic core set can be located with respect to drum stand.And the also visual demand of the shape of the combining structure of magnetic core set and coiling group and changing, only need the shape of corresponding change insulating base frame this moment, just can utilize the accommodation space of insulating base frame hold to receive magnetic core set and coiling group and constitute transformer, and make transformer be arranged on the circuit board and and external insulation by insulating base frame.In addition, in first, second embodiment of the present invention, no doubt second leading-out terminal of the secondary rolling thread of transformer all directly is inserted on the circuit board with the fly line form, yet if second extension of insulating base frame is set up pin corresponding to first extension, second leading-out terminal in fact also can be wound in pin and electrically connect by pin and circuit board.
In sum, the present invention mainly replaces the known insulating tape that is wound in the transformer periphery with insulating base frame, because insulating base frame has fixed shape than insulating tape, therefore not only assembling also can be avoided twining insulating tape and expend shortcomings such as man-hour and wayward outward appearance easily.
In addition,, it can be connected, thereby the reason line is easy and can avoid first leading-out terminal to overlap each other or twine with contiguous pin because the groove that the present invention is provided with on can first extension by insulating base frame guides first leading-out terminal of main coiling; Second leading-out terminal of secondary rolling thread then can utilize the hole that is provided with on second extension of insulating base frame and locate, to avoid second leading-out terminal because of rocking the problem that is not easy to be inserted on the circuit board.
Moreover, because the drum stand of coiling group of the present invention can be provided with storage tank on first baffle plate, therefore after the main coiling is wound in the winding region of drum stand, first leading-out terminal can temporarily hold and closes in the storage tank and be convenient to follow-up reason line, then can be as for the second baffle of drum stand by the bearing of trend of second leading-out terminal of the indentation limitations secondary rolling thread of its setting, and avoid second leading-out terminal to disturb the assembling of coiling group and magnetic core set, magnetic core set and coiling group can entirely be combined with insulating base frame.Again owing to have a difference in height between first extension of first baffle plate of drum stand of the present invention and insulating base frame, and first extension outwards protrudes, therefore can utilize this difference in height and first extension and increase the development length of first leading-out terminal of main coiling, cause the boiling hot problem such as insulating barrier of breaking so first leading-out terminal of main of the present invention coiling need not additionally overlap attached sleeve pipe just can utilize the structural design of drum stand and insulating base frame to avoid known welding the time because of scurrying tin, in other words, than known technology, transformer of the present invention can omit the sleeve pipe that uses first leading-out terminal, to reduce cost and simplified manufacturing technique.Again since between first extension of the insulating base frame of transformer and the bottom surface apart from a spacing is arranged, therefore drop on pin in the spacing and just can be used as reason line zone and twine, and then the reason line zone of avoiding first leading-out terminal to be wound in pin is crossed near and influence that cause with circuit board for first leading-out terminal of main coiling; Second leading-out terminal as for secondary rolling thread then can be resisted against second extension of insulating base frame by sleeve pipe, so can guarantee the insulation effect of second leading-out terminal of the secondary rolling thread of transformer.Because transformer of the present invention can be avoided many shortcomings of known transformer, and then promote power transformer product qualification rate, simplified manufacturing technique and reduce manufacturing cost, these be known technology can't realize that thereby transformer device structure of the present invention has the value on the industry.
Even if the present invention is at length narrated by the above embodiments, thereby can and make various modifications, yet these modifications do not break away from all as attached claims scope required for protection by person skilled in the art Shi Renshi craftsman think of.
Claims (17)
1. transformer device structure, it is arranged on the circuit board, and this transformer device structure comprises:
One coiling group, it comprises a drum stand, main coiling and a level coiling, this drum stand winds the line and this secondary rolling thread in order to twine this main, and this main coiling has at least one first leading-out terminal;
One magnetic core set, it comprises one first magnetic core and one second magnetic core, this coiling group is arranged between this first magnetic core and this second magnetic core; And
One insulating base frame, it comprises an accommodation space and at least one pin, this coiling group and this magnetic core set are held and are closed in this accommodation space, and this first leading-out terminal of this main coiling that should the coiling group links to each other with this pin, with by this pin and the electric connection of this circuit board.
2. transformer device structure as claimed in claim 1, wherein this insulating base frame also comprises:
One sidewall, this sidewall are provided with an opening and a recess;
One bottom surface, itself and this sidewall defines this accommodation space jointly;
One first extension, it is extended by this edge of opening, and this pin is arranged at this first extension; And
One second extension, it is in fact corresponding to this recess.
3. transformer device structure as claimed in claim 2, wherein this of this insulating base frame first extension also comprises at least one groove, and this second extension also comprises at least one hole.
4. transformer device structure as claimed in claim 3, this first leading-out terminal of this main coiling that wherein should the coiling group pass this insulating base frame this sidewall this opening and this groove guiding by this first extension and is connected with this pin, at least one second leading-out terminal of this secondary rolling thread pass in regular turn this recess of this sidewall of this insulating base frame and this second extension this hole and with this circuit board electric connection.
5. transformer device structure as claimed in claim 2 wherein has a spacing between this of this insulating base frame first extension and this bottom surface.
6. transformer device structure as claimed in claim 1 wherein also comprises a location structure in this accommodation space of this insulating base frame, to locate this magnetic core set and this coiling group.
7. transformer device structure as claimed in claim 2, this drum stand that wherein should the coiling group also comprises:
One body;
One passage, it runs through this body; And
One first baffle plate and a second baffle, it is positioned at two opposite sides of this body, and defines a winding region jointly with this body, and this main coiling and this secondary rolling thread are wound in this winding region.
8. transformer device structure as claimed in claim 7, this first baffle plate and this second baffle of this drum stand that wherein should the coiling group comprise a plurality of projections respectively, described a plurality of projections of this first baffle plate are located this first magnetic core of this magnetic core set, and described a plurality of projections of this second baffle are located this second magnetic core of this magnetic core set.
9. transformer device structure as claimed in claim 7, this first baffle plate of this drum stand that wherein should the coiling group also comprises at least one storage tank, it is in fact corresponding to this first extension of this insulating base frame.
10. transformer device structure as claimed in claim 7, this second baffle of this drum stand that wherein should the coiling group also comprises at least one groove, it is in fact corresponding to this recess of this sidewall of this insulating base frame.
11. transformer device structure as claimed in claim 7, wherein this of this magnetic core set first magnetic core and this second magnetic core comprise a plane, a jack-post and two wall extensions separately, this jack-post and described wall extension are extended by this plane, this jack-post is placed in this passage of this drum stand of this coiling group, and this plane and described wall extension partly are coated on this coiling group periphery.
12. insulating base frame, it is applied to a transformer, this transformer is arranged on the circuit board and comprises a coiling group and a magnetic core set, this coiling group comprises a drum stand and main coiling and a level of being arranged on this drum stand wind the line, this main coiling has one first leading-out terminal, and this insulating base frame comprises:
One accommodation space, it receives this coiling group and this magnetic core set in order to hold; And
At least one pin, its this first leading-out terminal with this main coiling of this coiling group links to each other, so that this first leading-out terminal of this main coiling electrically connects by this pin and this circuit board.
13. insulating base frame as claimed in claim 12, it also comprises:
One sidewall, this sidewall are provided with an opening and a recess;
One bottom surface, itself and this sidewall defines this accommodation space jointly;
One first extension, it is extended by this edge of opening, and this pin is arranged at this first extension; And
One second extension, it is in fact corresponding to this recess.
14. insulating base frame as claimed in claim 13, wherein this first extension also comprises at least one groove, and this first leading-out terminal that winds the line with this main that guides this coiling group is connected with this pin.
15. insulating base frame as claimed in claim 13, wherein this second extension also comprises at least one hole, passes and electrically connects with this circuit board at least one second leading-out terminal of this secondary rolling thread of this coiling group.
16. insulating base frame as claimed in claim 12 wherein also comprises a location structure in this accommodation space of this insulating base frame, in order to locate this magnetic core set and this coiling group.
17. insulating base frame as claimed in claim 13 wherein has a spacing between this first extension and this bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101288852A CN101847498B (en) | 2009-03-23 | 2009-03-23 | Transformer structure and insulation seat body used for same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101288852A CN101847498B (en) | 2009-03-23 | 2009-03-23 | Transformer structure and insulation seat body used for same |
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| CN101847498A true CN101847498A (en) | 2010-09-29 |
| CN101847498B CN101847498B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101288852A Expired - Fee Related CN101847498B (en) | 2009-03-23 | 2009-03-23 | Transformer structure and insulation seat body used for same |
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| CN (1) | CN101847498B (en) |
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| CN102543391A (en) * | 2010-12-22 | 2012-07-04 | 台达电子工业股份有限公司 | Transformer structure |
| CN102881404A (en) * | 2011-07-15 | 2013-01-16 | 台达电子工业股份有限公司 | Transformer |
| CN103093926A (en) * | 2011-10-27 | 2013-05-08 | 博大科技股份有限公司 | Transformer bearing seat |
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| CN103426614A (en) * | 2012-05-24 | 2013-12-04 | 群光电能科技股份有限公司 | Transformer with combined reels |
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| JP2668545B2 (en) * | 1988-04-26 | 1997-10-27 | 株式会社キジマ | Electric winding parts |
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| CN200969267Y (en) * | 2006-11-06 | 2007-10-31 | 台湾东电化股份有限公司 | Insulation casing structure for transformer |
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| CN102881404A (en) * | 2011-07-15 | 2013-01-16 | 台达电子工业股份有限公司 | Transformer |
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| US9153373B2 (en) | 2012-07-03 | 2015-10-06 | Chicony Power Technology Co., Ltd. | Transformer having assembled bobbins and voltage transformation module having the transformer |
| CN103680885A (en) * | 2012-09-25 | 2014-03-26 | 台达电子工业股份有限公司 | Transformer structure |
| CN105957705A (en) * | 2016-06-03 | 2016-09-21 | 成都市蒂娜亚文化传媒有限公司 | Efficient transformer device with guiding and positioning device and application method of efficient transformer device |
| CN107734904A (en) * | 2017-11-06 | 2018-02-23 | 旭源电子（珠海）有限公司 | The fly line base and its manufacture method of a kind of constant voltage source |
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| CN101847498B (en) | 2012-11-21 |
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