CN204204594U - The wire frame structure of tool coupling adjustment wire casing - Google Patents
The wire frame structure of tool coupling adjustment wire casing Download PDFInfo
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- CN204204594U CN204204594U CN201420528898.5U CN201420528898U CN204204594U CN 204204594 U CN204204594 U CN 204204594U CN 201420528898 U CN201420528898 U CN 201420528898U CN 204204594 U CN204204594 U CN 204204594U
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Abstract
A kind of wire frame structure of tool coupling adjustment wire casing, at least comprise: a coil holder body, a duct passed through for the magnetic line of force is provided with in this coil holder body, this duct outer circumferential side is equipped with at least three and mutually separates and the wire casing of Length discrepancy, optionally default transformer coil winding (or secondary winding) is wound around in the wherein wire casing on this coil holder body, and its secondary winding (or a winding) is wrapped in remaining multiple trunking, aforementioned secondary winding (or a winding) is utilized to change the number of turns be distributed in each wire casing, different magnetic couplings effects can be produced from an aforementioned winding (or secondary winding), reach adjustment transformer leakage inductance and output impedance, and multiple trunking design can reduce the stray capacitance of winding, improve transformer bandwidth.
Description
Technical field
The utility model is the wire frame structure about a kind of tool coupling adjustment wire casing, refers in particular to a kind of relative magnetism coupling position that can change each winding of coil, to reach the overall leakage inductance of easy adjustment coil and output impedance and to improve the wire frame structure of utilized bandwidth.
Background technology
Common transformer coil holder structure, simpler and easy person, only there is the design of single wire casing, and first and second winding of its coil repeatedly (normally a winding is wrapped in wire casing inner circumferential side around aforementioned wire casing in order, and secondary winding is wrapped in the outer circumferential side of a winding) in, make between described first and second winding, to form a fixing magnetic couplings effect.
Separately have and be provided with the design of biseptate wire casing in all sides of coil holder, and can first and second winding of coil be wrapped in this two wire casing respectively, fixing magnetic couplings effect can be formed by this between aforementioned first and second winding, the magnetic field making described secondary winding can respond to winding to produce, and produce relative induced voltage.
The design of above-mentioned two kinds of traditional structures, due to one, mutual alignment between secondary winding is fixing, magnetic couplings characteristic therebetween cannot change, cause aforementioned one, leakage inductance between secondary winding is difficult to be adjusted, for LLC resonant circuit, except main transformer, plug-in resonant inductance is also needed during general enforcement, and recently have development directly to design with the integrated type transformer of leakage inductance as resonant inductance, although this integrated type transformer has account for the little and cost advantage of board space, but leakage inductance be often limited by position fixing one, secondary winding and be difficult to elasticity adjustment.
Separately there is at present the design be incorporated into by plug-in resonant inductance in transformer, all but by pulling open the distance of first and second winding to improve leakage inductance, thus, can sacrifice coil around bed space, virtually increase transformer size, moreover one, secondary winding do not implement a point groove, cause stray capacitance excessive, reduce transformer bandwidth of operation.
Because common transformer coil holder structure has above-mentioned shortcoming, inventor is the road for those shortcoming Improvements, finally has generation of the present invention.
Summary of the invention
Main purpose of the present utility model is that providing a kind of tool to be coupled adjusts the wire frame structure of wire casing, on coil holder, be provided with at least three mutually separate and the wire casing of Length discrepancy, coil winding (or secondary winding) is wrapped in wherein in a wire casing, again the secondary winding (or a winding) of coil is wrapped in remaining at least two wire casings according to the demand preset respectively, by between each wire casing, there is different spacing, cooperation change secondary winding (or a winding) is distributed in the number of turn in each wire casing again, can make this one, different coupling effects is formed between secondary winding, use the effect reaching and adjust transformer whole output impedance easily, and multiple trunking design can reduce winding stray capacitance, improve transformer bandwidth.
Another object of the present utility model is that providing a kind of tool to be coupled adjusts the wire frame structure of wire casing, and it can provide one external resonant inductor is combined in the mechanism of inside transformer, uses the group simplifying entirety and connects, effectively promotes space efficiency utilization.
For reaching above-mentioned purpose and effect, technological means practiced by the utility model comprises: a coil holder body, a duct passed through for the magnetic line of force is provided with in this coil holder body, this duct outer circumferential side is equipped with at least three wire casings mutually separated, wherein a wire casing is wound around for the winding presetting transformer coil, and the secondary winding of this transformer coil is optionally wound around to be distributed in remaining wire casing.
According to said structure, described each wire casing has unequal length respectively.
According to said structure, described coil holder body is provided with the seat portion extended to side at least one end close to this duct, this portion is provided with multi-conducting post.
Technological means practiced by the utility model separately comprises: a coil holder body, a duct passed through for the magnetic line of force is provided with in this coil holder body, this duct outer circumferential side is equipped with at least three wire casings mutually separated, wherein a wire casing is wound around for the secondary winding presetting transformer coil, and this transformer coil winding is optionally wound around to be distributed in remaining wire casing.
According to said structure, described each wire casing has unequal length respectively.
According to said structure, described coil holder body is provided with the seat portion extended to side at least one end close to this duct, this portion is provided with multi-conducting post.
Can obtain for making above-mentioned purpose of the present utility model, effect and feature and understand more specifically, hereby be described as follows according to following accompanying drawing:
accompanying drawing illustrates:
Fig. 1 is the first Application Example of the present utility model and associated component three-dimensional exploded view thereof.
Fig. 2 is the first Application Example of the present utility model and associated component combination appearance figure thereof.
Fig. 3 is the first Application Example of the present utility model and associated component combination section thereof.
Fig. 4 is the second Application Example of the present utility model and associated component combination section thereof.
Fig. 5 is the 3rd Application Example of the present utility model and associated component combination section thereof.
Fig. 6 is the 4th Application Example of the present utility model and associated component combination section thereof.
embodiment:
Shown in please refer to the drawing 1 to Fig. 3, the structure of known the utility model first Application Example mainly comprises: a coil holder 1; A through medium pore 11 is provided with in this coil holder 1 inside, this medium pore 11 outer circumferential side is provided with a wire casing group 12, this wire casing group 12 is at least made up of the first wire casing 121, second wire casing 122, the 3rd wire casing 123, described coil holder 1 is provided with the wire connecting portion 13 protruded out to two sides in the end side of corresponding wire casing group 12, each wire connecting portion 13 is provided with most binding post 14.
During practical application, described coil holder 1 can coordinate a coil 2 and an iron core group 3 to form a basic transformer device structure, described coil 2 is linked in wire casing group 12 weeks sides of coil holder 1, it can be made up of first and second winding 21,22, and aforementioned first and second winding 21,22 has at least one group of leading-out terminal 213,223 respectively.
In a feasible embodiment, first, second and third wire casing 121,122,123 described can be designed to unequal length, and make aforementioned secondary winding 22 directly be wrapped in the 3rd wire casing 123, an aforementioned winding 21 is then wrapped in respectively in first and second wire casing 121,122 and forms two local windings 211,212, and makes to be wrapped in the number of turns of the number of turns more than local winding 212 in aforementioned second wire casing 122 of local winding 211 in the first wire casing 121.
Iron core group 3 is by disymmetrical iron core 31, 32 relative combinations form, at each iron core 31, 32 middle parts are respectively equipped with the center pillar portion 311 that can penetrate medium pore 11, 321, aforementioned center pillar portion 311, 321 at least two sides are provided with corresponding lateral column portion 312, 322, and post portion 311 in the preamble, 321 with lateral column portion 312, form one between 322 and can hold the wire casing group 12 of this coil holder 1 and the accommodation space 313 of coil 2, 323, make described two iron cores 31, 32 can utilize center pillar portion 311, 321 with lateral column portion 312, 322 form the magnetic conductive loop that passes through coil holder 1.
In the structure that the present embodiment discloses, the magnetic field of varying strength can be produced after powered up respectively by the described each local winding 211,212 being wound in the different number of turns in first and second wire casing 121,122, and this is wrapped in secondary winding 22 in the 3rd wire casing 123 due to different from the distance of this first and second wire casing 121,122, therefore can respond to the magnetic field that this local winding 211,212 produces respectively, and produce corresponding induced voltage output; Thus, utilize this winding 21 adjustment to be distributed in the number of turns of each local winding 211,212 in first and second wire casing 121,122, the leakage inductance of this secondary winding 22 can be changed.
Shown in please refer to the drawing 4, the structure of known the utility model second Application Example mainly comprises: the coil holder 1 identical with aforementioned first embodiment; When practical application, described coil holder 1 can coordinate a coil 2a and an iron core group 3 to form a basic transformer device structure, and aforementioned coil 2a is made up of first and second winding 23,22.
In the structure that the present embodiment discloses, aforementioned secondary winding 22 is directly wrapped in the 3rd wire casing 123, and an aforementioned winding 23 is wrapped in respectively in first and second wire casing 121,122 to form two local windings 231,232, and the number of turns being wrapped in local winding 231 in the first wire casing 121 is made to be less than the number of turns (that is the number of turns of described two local windings 231,232 is different these two local windings 211,212 aforementioned) of local winding 232 in aforementioned second wire casing 122.
Described iron core group 3 be with the mode identical with aforementioned first embodiment and described coil holder 1 combined, and one can be identically formed by the magnetic conductive loop of coil holder 1, first is wrapped in by aforementioned, two wire casings 121, each local winding 231 of the different number of turns in 122, 232 magnetic fields that can produce varying strength after powered up respectively, and this is wrapped in secondary winding 22 in the 3rd wire casing 123 due to first, two wire casings 121, the distance of 122 is different, therefore this local winding 231 can be responded to respectively, 232 magnetic fields produced, and reach the adjustment of target leakage inductance.
And be less than the number of turns (different with the distribution of aforementioned two local windings 211,212) of local winding 232 in aforementioned second wire casing 122 due to the number of turns being wrapped in local winding 231 in the first wire casing 121, so, in the present embodiment, even if a described winding 23 has identical number of total coils with an aforesaid winding 21, but this winding 23(bis-local winding 231,232) because of different coupling effects, and secondary winding 22 degree of coupling different from aforementioned first embodiment can be produced.
Shown in please refer to the drawing 5, the structure of known the utility model the 3rd Application Example mainly comprises: the coil holder 1 identical with aforementioned first embodiment; When practical application, described coil holder 1 can coordinate a coil 2b and an iron core group 3 to form a basic transformer device structure, and this coil 2b is made up of first and second winding 25,24.
In the structure that the present embodiment discloses, an aforementioned winding 25 is directly wrapped in the first wire casing 121, and aforementioned secondary winding 24 is wrapped in respectively in second and third wire casing 122,123 to form two local windings 241,242, and make to be wrapped in the number of turns of the number of turns far fewer than local winding 232 in aforementioned 3rd wire casing 123 of local winding 241 in the second wire casing 122.
Described iron core group 3 be with the mode identical with aforementioned first embodiment and aforementioned coil holder 1 combined, and one can be identically formed by the magnetic conductive loop of coil holder 1, magnetic field can be produced after powered up by the aforementioned winding 25 be wrapped in the first wire casing 121, and the aforementioned each local winding 241,242 being wound in the different number of turns in second and third wire casing 122,123 is due to different from the distance of the first wire casing 121, therefore can respond to the magnetic field that this winding 25 produces respectively, and realize adjustable magnetic Field Coupling degree.
And be less than the number of turns of local winding 232 in aforementioned second wire casing 122 due to the number of turns being wrapped in local winding 231 in the first wire casing 121, so, in the present embodiment, even if a described winding 25 has identical number of total coils with an aforesaid winding 21, but this winding 25 can produce secondary winding 22 output voltage different from aforementioned first embodiment, uses and reaches different coupling effects; So, utilize the number of turns adjusting and be distributed in second and third wire casing 122,123, the final leakage inductance of this secondary winding 22 can be changed.
Shown in please refer to the drawing 6, the structure of known the utility model the 4th Application Example mainly comprises: the coil holder 1 identical with aforementioned first embodiment; When practical application, described coil holder 1 can coordinate a coil 2c and an iron core group 3 to form a basic transformer device structure, and this coil 2c is made up of first and second winding 25,26.
In the structure that the present embodiment discloses, an aforementioned winding 25 is directly wrapped in the first wire casing 121, and aforementioned secondary winding 26 is wrapped in respectively in second and third wire casing 122,123 to form two local windings 261,262, and make to be wrapped in the number of turns of the number of turns more than aforementioned local 241 winding of local winding 261 in the second wire casing 122, and the number of turns being wrapped in local winding 262 in the 3rd wire casing 123 is the number of turns being less than aforementioned local winding 242.
Described iron core group 3 be with the mode identical with aforementioned first embodiment and aforementioned coil holder 1 combined, and one can be identically formed by the magnetic conductive loop of coil holder 1, magnetic field can be produced after energising by the described winding 25 be wrapped in the first wire casing 121, and the aforementioned each local winding 261,262 being wrapped in the different number of turns in second and third wire casing 122,123 is due to different from the distance of the first wire casing 121, therefore can respond to the magnetic field that an aforementioned winding 25 produces respectively, and realize adjustable magnetic Field Coupling degree.
And due to the distribution of two locally windings 241,242 of the number of turns with aforementioned third embodiment that are wrapped in local winding 261,262 in second and third wire casing 122,123 different, so, in the present embodiment, even if aforementioned secondary winding 26 has identical number of total coils with aforesaid secondary winding 24, but this secondary winding 26(bis-local winding 261,262) the leakage inductance performance of the secondary winding 26 different from aforementioned third embodiment can be produced because of different coupling effects.
Comprehensive the above, the wire frame structure of the utility model tool coupling adjustment wire casing really can be reached the relative magnetism coupling position of each winding of simple and easy change, adjust effect of transformer leakage inductance and output impedance, be the invention of a tool novelty and progressive in fact, propose the application of utility model patent in accordance with the law; The only content of above-mentioned explanation, is only preferred embodiment of the present utility model and illustrates, the change such as extended according to technological means of the present utility model and category, modification, change or equivalent replacement person, all should fall in claim of the present utility model.
Claims (6)
1. the wire frame structure of a tool coupling adjustment wire casing, it is characterized in that: at least comprise: a coil holder body, a duct passed through for the magnetic line of force is provided with in this coil holder body, this duct outer circumferential side is equipped with at least three wire casings mutually separated, wherein a wire casing is wound around for the winding presetting transformer coil, and the secondary winding of aforementioned transformer windings is optionally wound around to be distributed in remaining wire casing.
2., according to the wire frame structure of the tool coupling adjustment wire casing described in claim 1, it is characterized in that: described each wire casing has unequal length respectively.
3., according to the wire frame structure of the tool coupling adjustment wire casing described in claim 1, it is characterized in that: described coil holder body is provided with the seat portion extended to side at least one end close to this duct, this portion is provided with multi-conducting post.
4. the wire frame structure of a tool coupling adjustment wire casing, at least comprise: a coil holder body, a duct passed through for the magnetic line of force is provided with in this coil holder body, this duct outer circumferential side is equipped with at least three wire casings mutually separated, wherein a wire casing is wound around for the secondary winding presetting transformer coil, and aforementioned transformer windings winding is optionally wound around to be distributed in remaining wire casing.
5., according to the wire frame structure of the tool coupling adjustment wire casing described in claim 4, it is characterized in that: described each wire casing has unequal length respectively.
6., according to the wire frame structure of the tool coupling adjustment wire casing described in claim 4, it is characterized in that: described coil holder body is provided with the seat portion extended to side at least one end close to aforementioned duct, this portion is provided with multi-conducting post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528898.5U CN204204594U (en) | 2014-09-15 | 2014-09-15 | The wire frame structure of tool coupling adjustment wire casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528898.5U CN204204594U (en) | 2014-09-15 | 2014-09-15 | The wire frame structure of tool coupling adjustment wire casing |
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| Publication Number | Publication Date |
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| CN204204594U true CN204204594U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420528898.5U Active CN204204594U (en) | 2014-09-15 | 2014-09-15 | The wire frame structure of tool coupling adjustment wire casing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347245A (en) * | 2014-04-17 | 2015-02-11 | 昱京科技股份有限公司 | Wire rack structure with coupling adjusting wire slot |
| CN109494887A (en) * | 2018-11-30 | 2019-03-19 | 西安工业大学 | A kind of electromechanical induction coil structure for wireless charging device |
-
2014
- 2014-09-15 CN CN201420528898.5U patent/CN204204594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347245A (en) * | 2014-04-17 | 2015-02-11 | 昱京科技股份有限公司 | Wire rack structure with coupling adjusting wire slot |
| CN109494887A (en) * | 2018-11-30 | 2019-03-19 | 西安工业大学 | A kind of electromechanical induction coil structure for wireless charging device |
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