CN2465295Y - Winding reel for transformer - Google Patents
Winding reel for transformer Download PDFInfo
- Publication number
- CN2465295Y CN2465295Y CN 01203932 CN01203932U CN2465295Y CN 2465295 Y CN2465295 Y CN 2465295Y CN 01203932 CN01203932 CN 01203932 CN 01203932 U CN01203932 U CN 01203932U CN 2465295 Y CN2465295 Y CN 2465295Y
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- CN
- China
- Prior art keywords
- blade
- bobbin
- mentioned
- transformer
- flange
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Insulating Of Coils (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model relates to a winding reel for a transformer. The utility model comprises a columnar hollow body, a first blade, a secondary blade, a third blade, a primary connecting foot, and a secondary connecting foot which is slightly in a U shape, wherein, the primary blade forms on the surface of the columnar hollow body to separate the primary stage and the secondary stage. The secondary blade is parallel with the first blade, and is formed on the surface of the secondary stage in parallel. The secondary blade is provided with two divided second notches, one end is provided with a second flange, and the second flange is provided with a thin section. The third blade is adjacent to the second blade, and is arranged in the mode of away from the first blade. The third blade is provided with two divided third notches, one end is provided with a third flange, and the third flange is provided with an unfilled corner.
Description
The utility model relates to a kind of bobbin, particularly relates to a kind of bobbin of transformer.
A kind of bobbin of known transformer (bobbin) 10 comprises column hollow body 20 and plurality of vanes 30 shown in Fig. 1 (a) and Fig. 1 (b).Wherein column hollow body 20 is in order to the iron core (not shown) of holding a strip and twines lead thereon to form a transformer.Wherein this lead also comprises primary wires (not shown) and secondary wire 60 (being designated hereinafter simply as lead 60).
As can be seen, this blade (partition wall) 30 is formed on the surface of this column hollow body 20 from Fig. 1 (a) or Fig. 1 (b), and is elementary in order to be separated out, secondary and form a plurality of minutes grooves (winding groove) in secondary.One section of this blade 30 has a breach (wireguiding notch) 31, and an end of this blade 30 has a flange (flange) 33 (shown in Fig. 1 (a)) or a unfilled corner 35 (shown in Fig. 1 (b)), and it should be noted that these flanges 33 and unfilled corner 35 are to be positioned at homonymy, being arranged in a straight line and being positioned on the same level height, also is that these flanges 33 and unfilled corner 35 there is no difference in height.
It can also be seen that from Fig. 1 (a) or Fig. 1 (b) this bobbin 10 secondary also has two pins, is respectively initial line pin (end) 50a and tie lines pin (end) 50b.Wherein be wound in secondary lead 60 and be and originate in this initial line pin 50a and end in this tie lines pin 50b.When this lead is extended in the way of this tie lines pin 50b by this initial line pin 50b, can through and be wound in above-mentioned minute groove and form coil (winding).After the wire circle (winding number) of a certain minute groove satisfied, this lead 60 continued to form coil after can extending to next minute groove of adjacency via breach 31, so can form a plurality of selectable magnitudes of voltage.Yet for the purpose of simplifying accompanying drawing, the utility model is not drawn the lead that is wound on the branch groove, only draws the part lead 60 of contiguous initial line pin 50a and tie lines pin 50b.
Please consult Fig. 1 (a) or Fig. 1 (b) again, when twining on minute groove, lead finishes and when desiring take-up, because the end of lead 60 is to be positioned at secondary distal-most end, so this lead 60 is quite remote apart from tie lines pin 50b, if directly the unsettled tie lines pin 50b that is not connected to will be breakneck thing (having any support), because this secondary lead 60 is easy to fracture, and this lead 60 is the outer rim of close secondary coil, this outer rim is the voltage highest point, even therefore these lead 60 non-crackings still might be short-circuited because of displacement touches the voltage highest point.
Known technology comprises for the settling mode of the problems referred to above: twine the step that finishes the back and increase a twisted wire (twist line) before desiring to be connected to tie lines pin 50b at lead 60 on minute groove, avoid fracture with the intensity that increases this lead 60.This kind mode perhaps can solve the problem of broken string reluctantly, but need increase extra making step, and still can't fix this lead, also is that known technology still has its insurmountable problem to exist.
In addition or, provide the support of lead and fixing with an above-mentioned flange 33 or a unfilled corner 35.Significantly, the bobbin of these unfilled corner 35 forms only can provide to a certain degree the fixing of (not being comprehensive) and can't provide support fully, and for example it only can prevent because of the displacement that external force caused from right side among the figure.But can't prevent because of the displacement that external force caused from left side among the figure.The bobbin of these flange 33 forms perhaps can provide support, but but can't fixing cord, so it is still not satisfactory.
Therefore, in this technical field, need badly a kind of simplify the transformer making step and can provide fixing simultaneously and the bobbin that supports to address the above problem.
The purpose of utility model is to provide a kind of bobbin of transformer, to solve the problem of lead easy fracture and displacement in the known bobbin.And, because lead can be fixed and support well in the utility model, thus lead be connected to the tie lines pin before must twisted wire, can omit a making step.
Above-mentioned purpose of the present utility model is achieved in that a kind of bobbin of transformer, and its key is that this bobbin comprises at least: a column hollow body; One first blade, be formed on the surface of this column hollow body, one end of this first blade has one first flange, this first blade is separated out elementary and secondary: one second blade, be parallel to this first blade and be formed at side by side on the secondary surface of this column hollow body, each this second blade has second breach of two separations, and an end of this second blade has one second flange, and this second flange has a thinner section; At least one the 3rd blade is adjacent to this second blade and is provided with in the mode away from this first blade, and each the 3rd blade has the 3rd breach of two separations, and each this three-vaned end has one the 3rd flange, and the 3rd flange has a unfilled corner; A plurality of elementary pins; And two secondary pins, rough one-tenth one U type.
Above-mentioned column hollow body is adjacent to above-mentioned secondary pin place and preferably also has a groove.
The lower edge of above-mentioned unfilled corner and above-mentioned thinner section can be positioned at same level height.
Above-mentioned secondary pin preferably also has a first arm, one second arm and a linkage section, and this first arm is connected in this second arm by this linkage section, and this linkage section is exposed to outside the above-mentioned column hollow body.
The bobbin of transformer described in the utility model, wherein the first arm of above-mentioned secondary pin is in order to form electrical the contact with an external circuit.The first arm of above-mentioned secondary pin preferably has one section difference.
The elementary of above-mentioned bobbin can also be wound with one first lead; And the secondary of above-mentioned bobbin can also be wound with one second lead.
Above-mentioned second breach and above-mentioned the 3rd breach can be positioned at homonymy and be arranged in a straight line.
The bobbin of transformer described in the utility model, wherein above-mentioned column hollow body are in order to hold an iron core; Above-mentioned first blade is elementary and secondary in order to be separated out; Above-mentioned second blade and above-mentioned the 3rd blade are in order to be separated out the branch groove of plurality of secondary.
This shows that the bobbin of transformer provided by the utility model comprises the secondary pin of a column hollow body, one first blade, one second blade, at least one the 3rd blade, elementary pin and rough one-tenth U type at least.Wherein this first blade shaped is formed on the surface of this column hollow body elementary and secondary to be separated out; This second blade is parallel to this first blade and is formed at side by side on the secondary surface, and each this second blade has second breach of two separations, and an end of this second blade has one second flange, and this second flange has a thinner section; The 3rd blade is adjacent to this second blade and is provided with in the mode away from this first blade, and each the 3rd blade has the 3rd breach of two separations, and each this three-vaned end has one the 3rd flange, and the 3rd flange has a unfilled corner.Wherein the lower edge of the thinner section of this unfilled corner and this second flange is positioned on homonymy and the same level height.When lead twines on first blade and second interlobate minute groove when finishing, this lead can extend to the tie lines pin via this three-vaned the 3rd unfilled corner that more carefully reaches of this second blade.Then, this lead this second blade of after twining at least one circle on this second arm, turning back back.So, promptly this lead can obtain a good supporting and fixing.
The utility model obviously has a comprehensive fixing function that reaches support wire.Can obtain good fixing because lead is wound in this thinner section, also be the external force that the utility model can be resisted horizontal direction; Then resist for external force by this three-vaned unfilled corner from vertical direction.So this lead can not be easy to be ruptured, and therefore can solve the problem that is short-circuited because of the lead displacement in the known technology.And, because lead can be fixed and support well in the utility model, thus lead be connected to the tie lines pin before must twisted wire, can omit a making step.
Below in conjunction with accompanying drawing shown in the embodiment, the utility model is described in further detail.
Fig. 1 (a) is a known bobbin structure;
Fig. 1 (b) is another known bobbin structure;
Fig. 2 is a bobbin structure of the present utility model;
Fig. 3 is the embodiment that winds the line with bobbin structure of the present utility model.
See also Fig. 2, bobbin of the present utility model (bobbin) 100 comprises column hollow body 200, one first blade 310, one second blade 320, at least one the 3rd blade 330, a plurality of elementary pin and two secondary pin 500a and 500b.Wherein this column hollow body 200 is in order to hold an iron core (not showing for example so-called E core among the figure) and to twine lead thereon to form a transformer.Wherein this lead also comprises primary wires (not shown) and secondary wire 600 (being designated hereinafter simply as lead 600).In addition, this first blade 310 is to be formed on the surface of this column hollow body 200 and to be separated out elementaryly and secondary, and an end of this first blade 310 has one first flange 315.
As can be seen from Figure 2, second blade 320 is parallel to this first blade 310, be formed in mode arranged side by side on the secondary surface of this column hollow body 200, second flange that each this second blade 320 has two second breach 360b of being separated by and is positioned at an end of each this second blade 320, this second flange has a thinner section 327 to twine a lead.This at least one the 3rd blade 330 is adjacent to this second blade 320, and is provided with in the mode away from this first blade 310, in order to be separated out a plurality of minutes secondary grooves that are positioned at this column hollow body 200 jointly with this second blade 320.Also promptly by elementary be first blade 310, second blade 320, the 3rd blade 330, the 3rd blade 330 in regular turn towards secondary looking ... Deng.Each the 3rd blade 330 has two the 3rd breach 360c of being separated by, and the 3rd breach 360c and this second breach 360b are arranged in a straight line.One end of each the 3rd blade 330 has one the 3rd flange.Unfilled corner 335 that it should be noted that the 3rd flange is positioned on homonymy and the same level height with the lower edge of the thinner section 327 of this second flange.
Please consulting Fig. 2 again, it should be noted that pin of the present utility model is the pin for the surface adhering form, also is its non-needle-like pin.It comprises a plurality of elementary pins and two secondary pins, is respectively first level pin 500a and second subprime pin 500b.And these two secondary pin 500a and 500b are made of and rough one-tenth one U type the first arm 510, one second arm 520 and a linkage section 530.This first arm 510 is connected in this second arm 520 by this linkage section 530, and this linkage section 530 also exposes to column hollow body 200.Wherein the first arm 510 of secondary pin 500a of this U type and 500b is that conduct electrically forms the usefulness that contacts or be connected with circuit board, so this first arm 510 has one section difference.The purposes of second arm 520 of secondary pin 500a of this U type and 500b then is illustrated in down.
See also Fig. 3, in one embodiment, this first level pin 500a is as initial line pin (end); This second subprime pin 500b is as tie lines pin (end), also promptly is wound in secondary lead 600 and is to originate in this initial line pin 500a and end in this tie lines pin 500b.But this second subprime pin 500b also can be used as initial line pin (end), and this first level pin 500a also can be used as tie lines pin (end).
As can be seen from Figure 3, when this lead 600 by this initial line pin 500b to the way of this tie lines pin 500b, can through and be wound in above-mentioned minute groove (twining near secondary branch groove earlier) and form coil (winding).When the wire circle (winding number) of a certain minute groove with after preset value conforms to, this lead continues to form coil after can extending to next minute groove of adjacency via the second breach 360b or the 3rd breach 360c, so can form a plurality of selectable magnitudes of voltage.Yet for the purpose of simplifying accompanying drawing, the utility model is not drawn the lead that is wound on the branch groove, only draws the part lead of contiguous initial line pin 500a and tie lines pin 500b.
From Fig. 3, it can also be seen that, wherein twine on the branch groove of 320 in first blade 310 and second blade when finishing when lead 600, this lead 600 extends to tie lines pin 500b via the lower edge of the thinner section 327 of this second blade 320, the 3rd unfilled corner 325 of the 3rd blade 330 and the lower surface of a groove 250.This groove 250 is adjacent to secondary pin 500a and 500b, and is lower than the lower surface 220 of this column hollow body 200 in order to the passage that holds iron core.Then, this second blade 320 of turning back back after the 3rd unfilled corner 325 of this lead 600 via the upper surface of linkage section 530, this groove 250 and the 3rd blade 330.Then, repeat above-mentioned coiling step, this lead 600 is fixed in this second arm 520 at last, for example can fix in this way.So, this lead 600 can obtain a good supporting and fixing by the winding back and forth 327 of this groove 250 and this thinner sections, and can not get loose.
Please consult Fig. 3 again, in sum, the utility model obviously has a comprehensive fixing function that reaches support wire.Because lead 600 can also be the external force that the utility model can be resisted horizontal direction 700a and vertical direction 700b by obtaining a good supporting and fixing in the winding back and forth of 327 of this groove 250 and this thinner sections.So this lead can not be easy to fracture, therefore can solve the problem that is short-circuited because of the lead displacement in the known technology.And, since in the utility model lead department fixing and support good, so lead be connected to the tie lines pin before must twisted wire, can omit making step.
The above is preferred embodiment of the present utility model only, is not in order to limit protection range of the present utility model; All other do not break away from following equivalence change or the modification of being finished of design that the utility model discloses, and all should be included in the protection range of claim.
Claims (10)
1, a kind of bobbin of transformer is characterized in that this bobbin comprises at least:
One column hollow body;
One first blade is formed on the surface of this column hollow body, and an end of this first blade has one first flange, and this first blade is separated out elementary and secondary;
One second blade, be parallel to this first blade and be formed at side by side on the secondary surface of this column hollow body, each this second blade has second breach of two separations, and an end of this second blade has one second flange, and this second flange has a thinner section;
At least one the 3rd blade is adjacent to this second blade and is provided with in the mode away from this first blade, and each the 3rd blade has the 3rd breach of two separations, and each this three-vaned end has one the 3rd flange, and the 3rd flange has a unfilled corner;
A plurality of elementary pins; And
Two secondary pins, rough one-tenth one U type.
2, the bobbin of transformer as claimed in claim 1 is characterized in that above-mentioned column hollow body is adjacent to above-mentioned secondary pin place and also has a groove.
3, the bobbin of transformer as claimed in claim 1, the lower edge that it is characterized in that above-mentioned unfilled corner and above-mentioned thinner section are to be positioned at same level height.
4, the bobbin of transformer as claimed in claim 1, it is characterized in that above-mentioned secondary pin also has a first arm, one second arm and a linkage section, this the first arm is connected in this second arm by this linkage section, and this linkage section is exposed to outside the above-mentioned column hollow body.
5, the bobbin of transformer as claimed in claim 4 is characterized in that the first arm of above-mentioned secondary pin electrically contacts with an external circuit.
6, the bobbin of transformer as claimed in claim 4 is characterized in that the first arm of above-mentioned secondary pin has one section difference.
7, the bobbin of transformer as claimed in claim 1 is characterized in that elementary one first lead that also is wound with of above-mentioned bobbin.
8, the bobbin of transformer as claimed in claim 1 is characterized in that secondary one second lead that also is wound with of above-mentioned bobbin.
9, the bobbin of transformer as claimed in claim 1 is characterized in that above-mentioned second breach and above-mentioned the 3rd breach are positioned at homonymy and are arranged in a straight line.
10, the bobbin of transformer as claimed in claim 1 is characterized in that accommodating an iron core in the above-mentioned column hollow body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01203932 CN2465295Y (en) | 2001-02-02 | 2001-02-02 | Winding reel for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01203932 CN2465295Y (en) | 2001-02-02 | 2001-02-02 | Winding reel for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2465295Y true CN2465295Y (en) | 2001-12-12 |
Family
ID=33625281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01203932 Expired - Fee Related CN2465295Y (en) | 2001-02-02 | 2001-02-02 | Winding reel for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2465295Y (en) |
-
2001
- 2001-02-02 CN CN 01203932 patent/CN2465295Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |