CN105469938A - High frequency electromagnetic induction element built-in base and high frequency electromagnetic induction element - Google Patents
High frequency electromagnetic induction element built-in base and high frequency electromagnetic induction element Download PDFInfo
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- CN105469938A CN105469938A CN201410447362.5A CN201410447362A CN105469938A CN 105469938 A CN105469938 A CN 105469938A CN 201410447362 A CN201410447362 A CN 201410447362A CN 105469938 A CN105469938 A CN 105469938A
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Abstract
The invention provides a high frequency electromagnetic induction element. The high frequency electromagnetic induction element comprises a magnetic core and a winding; the high frequency electromagnetic induction element also comprises a built-in base, wherein the base plate of the built-in base is installed in the high frequency electromagnetic induction element, and is bound with the magnetic core through the winding; multiple supporting pins of the built-in base are connected with the base plate and extend out of the high frequency electromagnetic induction element to rest on a supporting carrier. The base plate of the built-in base is installed in the high frequency electromagnetic induction element, and is bound with the magnetic core through the winding, so that the built-in base and the magnetic core can be firmly fixed together to form an integral body; even if the high frequency electromagnetic induction element shakes at a high frequency, the connection between the built-in base and the magnetic core is not loosened or becomes invalid; and meanwhile, the high frequency electromagnetic induction element is fixed by adopting the built-in base with the simple structure, so that the high frequency electromagnetic induction element is good in radiation performance and relatively low in cost.
Description
Technical field
The present invention relates to the fixed structure of high-frequency electromagnetic induction element, particularly relate to a kind of high-frequency electromagnetic induction including components therein base and high-frequency electromagnetic induction element.
Background technology
Inductor (inductance coil) and transformer are all the electromagnetic induction elements with insulated conductor (such as enamelled wire, cotton covered wire etc.) coiling, are also one of components and parts commonly used in electronic circuit.In prior art, the mounting means of the electromagnetic induction element such as inductor or transformer has several lower several usually:
Scheme 1: holes drilled through on the base insulation board of carrying electromagnetic induction element, by the pin of electromagnetic induction element directly through insulation board, encapsulating (being generally epoxide-resin glue) between pin and base afterwards, and the pin stretched out is welded on the circuit board below electromagnetic induction element, to fix.
Scheme 2: use steel band to be banded on insulating base by inductor or transformer, use insulating paper to make electrical isolation between coil and steel band; If base plate is metallic plate, then need between winding and base plate to increase insulation board.
Scheme 3: be fixed by the mode of crotch, first lies in a horizontal plane on base by inductor or transformer, and inductor or transformer further by crotch in the vertical direction, and crotch bottom belt screw thread, is locked crotch on base by screw.
Scheme 4: inductor or transformer are placed in a closed casing, and use the mode of embedding to be completely enclosed within casing by inductor or transformer, play fixing effect.
But there are the following problems for above-mentioned various scheme:
Scheme 1 is only only applicable to low power inductor or transformer; And with welding circuit board process, fixing glue easily melts due to high temperature, inductor or transformer is caused to float, fixing unstable; Signal due to high frequency in running causes vibration, produce noise, and long-play may cause the solid failure of inductor or transformer.
Scheme 2 is suitable for small-power, mid power and high-power, and the mode that steel band is fixed must use more insulating material, to ensure enough electric clearances and creepage distance; Because the machinery that is fixed as of steel band is fixed, adding high-frequency vibration when product runs, there is the risk lost efficacy in long-play.
In scheme 3, the fixed form of crotch is mainly used in mid power and high-power, similar with scheme 2, needs to use more insulating material, ensures electric clearance and creepage distance; And because the inductor of different designs form or transformer need to design corresponding crotch, cause cost increase; Crotch is fixed by the mode of nut check in addition, due to high-frequency vibration when product runs, there is loosening, inefficacy equivalent risk.
Scheme 4 adopts the mode of embedding to be enclosed in casing by inductor or transformer, heat radiation difficulty, cost intensive.
From the fixed solution of above electromagnetic induction element, scheme 1 to scheme 3 is all unsuitable for fixing high-frequency electromagnetic induction element, and its fixed form exists the loosening equivalent risk that even lost efficacy under high-frequency vibration.Although scheme 4 can fix high-frequency electromagnetic induction element, cost is too high.
Summary of the invention
The technical problem to be solved in the present invention be how when low cost for high-frequency electromagnetic induction element provides a kind of effective fixed form.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of high-frequency electromagnetic induction including components therein base on the one hand, comprise and be built in electromagnetic induction element inside in use and by the base disk of winding bind on magnetic core, described base disk is connected with and stretches out described electromagnetic induction element in use and support multiple feets of described base disk outward.
In such scheme, described built-in base is the built-in bases of nonmetallic materials, can utilize the non-conductive property of nonmetallic materials like this, avoid built-in base to produce vibrations in electromagnetic induction, thus avoids increasing additional loss.
When using multiple feet to support described base disk, in order to ensure stress balance and improve the stability supported, described multiple feet is connected on described base disk with being uniformly distributed formula.
For solving the problems of the technologies described above, the present invention provides a kind of high-frequency electromagnetic induction element on the other hand, described high-frequency electromagnetic induction element comprises magnetic core and winding, comprise built-in base in addition, the base disk of described built-in base is built in described high-frequency electromagnetic induction element internal and is bound by described winding and described magnetic core, and multiple feets of described built-in base are connected on described base disk and to stretch out described high-frequency electromagnetic induction element outer to be supported on prop carrier.
To in the improvement project of such scheme, except passing through base disk described in described winding bind and described magnetic core, also carry out between described base disk and described magnetic core being adhesively fixed or screw thread is fixed, to improve the bonding strength of described built-in base and described magnetic core further, thus improve the globality of described built-in base and described high-frequency electromagnetic induction element further.
In addition, in order to further improve the globality of described built-in base and described high-frequency electromagnetic induction element, can by the described base disk of described built-in base and described multiple feet one-body molded.
In such scheme, described built-in base is the built-in bases of nonmetallic materials, can utilize the non-conductive property of nonmetallic materials like this, avoid built-in base to produce vibrations in electromagnetic induction, thus avoids increasing additional loss.Specifically, described built-in base can be the built-in base of engineering plastics, can meet insulating requirements like this, can meet requirement of mechanical strength again.
When using multiple feet to support described base disk, in order to ensure stress balance and improve the stability supported, described multiple feet is connected on described base disk with being uniformly distributed formula.
The height of described multiple feet can be set, so that the height of described multiple feet makes to have predetermined electric clearance and creepage distance between described winding and described prop carrier when reality uses.
The beneficial effect of technique scheme of the present invention is as follows:
In high-frequency electromagnetic induction including components therein base provided by the invention and high-frequency electromagnetic induction element, due to the base disk of described built-in base is built in described high-frequency electromagnetic induction element internal, and bound by described winding and described magnetic core, therefore entirety is formed together with described built-in base can firmly fix with described magnetic core, the connected mode of this globality is different from mechanical connection manner of the prior art, even if therefore produce high-frequency vibration at high-frequency electromagnetic induction element, also the connection between described built-in base and described magnetic core can not be made to loosen even lost efficacy, substantially increase the validity of high-frequency electromagnetic induction element fixed form, high-frequency electromagnetic induction element of the present invention adopts this built-in base form with simple structure to be fixed simultaneously, compared with the mode adopting casing to encapsulate in prior art, and perfect heat-dissipating, and cost is lower.
Accompanying drawing explanation
Fig. 1 is the perspective view of embodiment of the present invention high-frequency electromagnetic induction element;
Fig. 2 is the end view of the first direction of the element of high-frequency electromagnetic induction shown in Fig. 1;
Fig. 3 is the end view of the second direction of the element of high-frequency electromagnetic induction shown in Fig. 1, and described second direction is vertical with described first direction;
Fig. 4 is the vertical view of the element of high-frequency electromagnetic induction shown in Fig. 1;
Fig. 5 is the perspective view of embodiment of the present invention high-frequency electromagnetic induction including components therein base;
Fig. 6 is the planar structure schematic diagram of the including components therein of high-frequency electromagnetic induction shown in Fig. 5 base.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figures 1 to 4, the high-frequency electromagnetic induction element 1 that the embodiment of the present invention provides comprises magnetic core and winding (internal structure is not shown), comprises built-in base 2 in addition.Known shown in composition graphs 5 and Fig. 6, built-in base 2 comprises base disk 21 and multiple feet 22.Wherein, it is inner and bound by described winding and described magnetic core that the base disk 21 of built-in base 2 is built in high-frequency electromagnetic induction element 1, and multiple feets 22 of built-in base 2 to be connected on base disk 21 and to stretch out high-frequency electromagnetic induction element 1 outward to be supported on prop carrier.During concrete installation, first base disk 21 can be aimed at described magnetic core, afterwards coil is wrapped in form winding on base disk 21 and described magnetic core simultaneously, thus realize by winding, base disk 21 and magnetic core being bound.
In this embodiment, owing to the base disk 21 of built-in base 2 being built in high-frequency electromagnetic induction element 1 inside and being bound by described winding and described magnetic core, therefore entirety is formed together with built-in base 2 can firmly fix with described magnetic core, the connected mode of this globality is different from mechanical connection manner of the prior art, even if therefore produce high-frequency vibration at high-frequency electromagnetic induction element, also the connection between built-in base 2 and described magnetic core can not be made to loosen even lost efficacy, substantially increase the validity of high-frequency electromagnetic induction element 1 fixed form; High-frequency electromagnetic induction element 1 of the present invention adopts this built-in base form with simple structure to be fixed simultaneously, compared with the mode adopting casing to encapsulate in prior art, and perfect heat-dissipating, and cost is lower.
Here it should be noted that, the electromagnetic induction element in above-described embodiment comprises the element utilizing electromagnetic induction principle to carry out work, such as inductor or transformer etc.Wherein, high-frequency electromagnetic induction element refers to the electromagnetic induction element that operating frequency exceedes intermediate frequency (10kHz), such as high frequency transformer.High frequency transformer is mainly used in making high-frequency switch power transformer in high frequency switch power, also has for making high frequency inverter transformer in high frequency inverter and Inverter Welder.High frequency, by operating frequency height, can be divided into several class: 10kHz-50kHz, 50kHz-100kHz, 100kHz ~ 500kHz, 500kHz ~ 1MHz, more than 1MHz.The high-frequency vibration that high-frequency electromagnetic induction element produces in electromagnetic induction process is often very fierce, is far longer than the vibrations of intermediate frequency or the generation of low frequency electromagnetic sensing element.
It should be noted that in addition, above-described embodiment is the explanation that toroidal inductor in high frequency or toroidal transformer carry out for example that works, and the base disk 21 therefore in described built-in base 2 also uses loop configuration.But should be clear and definite, the structure of base disk 21 is not limited thereto, and can be changed according to the difference of applicable situation.
Improve as to the one of above-described embodiment, except passing through described winding bind base disk 21 and described magnetic core, also carry out between base disk 21 and described magnetic core being adhesively fixed or screw thread is fixed, to improve the bonding strength of built-in base 2 and described magnetic core further, thus improve the globality of built-in base 2 and described high-frequency electromagnetic induction element further, like this when high-frequency electromagnetic induction element produces high-frequency vibration, can make, between built-in base 2 and high-frequency electromagnetic induction element 1, there is better consistency, be conducive to better fixing.Concrete way is: first base disk 21 and magnetic core are adhesively fixed by tough adhesive tape, because it is simple to operate to be adhesively fixed, therefore as preferred; By winding, base disk 21 is bundled on magnetic core and then; Finally vacuum impregnation is carried out to built-in base 2, winding and the magnetic core bound, to have higher intensity.
In addition, improve as to the another kind of above-described embodiment, in order to further improve the globality of built-in base 2 and high-frequency electromagnetic induction element 1, and and then improve fixing steadiness, can by one-body molded with multiple feet 22 for the base disk 21 of built-in base 2.In integrated built-in base 2, can not produce relative vibration between base disk 21 and multiple feet 22, therefore globality is better.
In the above-described embodiments, built-in base 2 can be the built-in base of nonmetallic materials, can utilize the non-conductive property of nonmetallic materials like this, avoids built-in self entirety of base 2 to produce vibrations in electromagnetic induction, thus avoids increasing additional loss.Specifically, built-in base 2 can be the built-in base of engineering plastics, can meet insulating requirements like this, can meet requirement of mechanical strength again.And the built-in base of engineering plastics can also use mould integrated injection molding.
Shown in composition graphs 5 and Fig. 6, when using multiple feet 22 support base attic base 21, in order to ensure stress balance and improve the stability supported, multiple feet 22 is connected on base disk 21 with being uniformly distributed formula.Namely multiple feet 22 is uniform on base disk 21.In the embodiment shown in Fig. 5 and Fig. 6, showing 4 feets 22, but be also not limited thereto, also can be 2,3,5 or more.But preferably 3, therefore determine the principle of a plane from 3,3 feets 22 can be conducive to the flatness remained on when prop carrier is installed, and after can making to install on any position, high-frequency electromagnetic induction element is all smooth.
Wherein, for the ease of being arranged on prop carrier by built-in base 2, each feet in multiple feet 22 is equipped with the connecting portion be connected with prop carrier.Such as, this connecting portion can be screw hole or through hole, also can be buckle etc.Here prop carrier can be circuit board or ground etc.
In addition, the height of multiple feet 22 can be set when reality uses, so that the height of multiple feet 22 makes to have predetermined electric clearance and creepage distance between described winding and described prop carrier, the use of insulating material can be saved like this.
As shown in Figure 5 and Figure 6, embodiments of the invention also provide a kind of high-frequency electromagnetic induction including components therein base 2, comprise and be built in electromagnetic induction element inside in use and by the base disk 21 of winding bind on magnetic core, base disk 21 be connected with the multiple feets 22 stretching out the outer also support base attic base 21 of described electromagnetic induction element in use.
In the embodiment shown in Fig. 5 and Fig. 6, built-in base 2 is the built-in bases of nonmetallic materials, can utilize the non-conductive property of nonmetallic materials like this, avoid built-in base to produce vibrations in electromagnetic induction, thus avoids increasing additional loss.And when using multiple feet 22 support base attic base 21, in order to ensure stress balance and improve the stability supported, multiple feet 22 is connected on base disk 21 with being uniformly distributed formula.
Here it should be noted that, because the 26S Proteasome Structure and Function of the built-in base 2 in the present embodiment is identical with the 26S Proteasome Structure and Function of the built-in base 2 in above-mentioned high-frequency electromagnetic induction device embodiments, therefore repeat no more.But need it is clear that, the built-in base 2 in the present embodiment, compared with the built-in base 2 in above-mentioned high-frequency electromagnetic induction element, can solve identical technical problem, and reaches identical Expected Results.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a high-frequency electromagnetic induction including components therein base, it is characterized in that, comprise and be built in electromagnetic induction element inside in use and by the base disk of winding bind on magnetic core, described base disk is connected with and stretches out described electromagnetic induction element in use and support multiple feets of described base disk outward.
2. high-frequency electromagnetic induction including components therein base according to claim 1, is characterized in that, described built-in base is the built-in bases of nonmetallic materials.
3. high-frequency electromagnetic induction including components therein base according to claim 1 and 2, is characterized in that, described multiple feet is connected on described base disk with being uniformly distributed formula.
4. a high-frequency electromagnetic induction element, comprise magnetic core and winding, it is characterized in that, also comprise built-in base, the base disk of described built-in base is built in described high-frequency electromagnetic induction element internal and is bound by described winding and described magnetic core, and multiple feets of described built-in base are connected on described base disk and to stretch out described high-frequency electromagnetic induction element outer to be supported on prop carrier.
5. high-frequency electromagnetic induction element according to claim 4, is characterized in that, except by except base disk described in described winding bind and described magnetic core, also carries out being adhesively fixed or screw thread is fixed between described base disk and described magnetic core.
6. high-frequency electromagnetic induction element according to claim 5, is characterized in that, described base disk and described multiple feet of described built-in base are formed in one.
7. the high-frequency electromagnetic induction element according to claim 4 or 5 or 6, is characterized in that, described built-in base is the built-in bases of nonmetallic materials.
8. high-frequency electromagnetic induction element according to claim 7, is characterized in that, described built-in base is the built-in bases of engineering plastics.
9. the high-frequency electromagnetic induction element according to claim 4 or 5 or 6, is characterized in that, described multiple feet is connected on described base disk with being uniformly distributed formula.
10. high-frequency electromagnetic induction element according to claim 9, is characterized in that, the height of described multiple feet makes to have predetermined electric clearance and creepage distance between described winding and described prop carrier.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447362.5A CN105469938A (en) | 2014-09-03 | 2014-09-03 | High frequency electromagnetic induction element built-in base and high frequency electromagnetic induction element |
| PCT/CN2015/075107 WO2016033961A1 (en) | 2014-09-03 | 2015-03-26 | Built-in base for high-frequency electromagnetic induction element and high-frequency electromagnetic induction element |
| EP15838766.2A EP3190596A4 (en) | 2014-09-03 | 2015-03-26 | Built-in base for high-frequency electromagnetic induction element and high-frequency electromagnetic induction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410447362.5A CN105469938A (en) | 2014-09-03 | 2014-09-03 | High frequency electromagnetic induction element built-in base and high frequency electromagnetic induction element |
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| Publication Number | Publication Date |
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| CN105469938A true CN105469938A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410447362.5A Pending CN105469938A (en) | 2014-09-03 | 2014-09-03 | High frequency electromagnetic induction element built-in base and high frequency electromagnetic induction element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834093A (en) * | 2019-04-17 | 2020-10-27 | 揖斐电株式会社 | Substrate with built-in inductor |
| JP2021114487A (en) * | 2020-01-16 | 2021-08-05 | 株式会社トーキン | Inductor |
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| CN204117762U (en) * | 2014-09-03 | 2015-01-21 | 特富特科技(深圳)有限公司 | A kind of high-frequency electromagnetic induction including components therein base and high-frequency electromagnetic induction element |
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| JPH06267744A (en) * | 1993-03-12 | 1994-09-22 | Fuji Elelctrochem Co Ltd | Coil with base |
| JPH11219822A (en) * | 1998-01-29 | 1999-08-10 | Tokin Corp | Toroidal coil |
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| CN111834093A (en) * | 2019-04-17 | 2020-10-27 | 揖斐电株式会社 | Substrate with built-in inductor |
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| JP2021114487A (en) * | 2020-01-16 | 2021-08-05 | 株式会社トーキン | Inductor |
| JP7506982B2 (en) | 2020-01-16 | 2024-06-27 | 株式会社トーキン | Inductors |
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Application publication date: 20160406 |