CN105101499A - Fabrication method of low-cost three-dimensional (3D) coil product and 3D coil product - Google Patents
Fabrication method of low-cost three-dimensional (3D) coil product and 3D coil product Download PDFInfo
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- CN105101499A CN105101499A CN201510557486.3A CN201510557486A CN105101499A CN 105101499 A CN105101499 A CN 105101499A CN 201510557486 A CN201510557486 A CN 201510557486A CN 105101499 A CN105101499 A CN 105101499A
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Abstract
A fabrication method of a low-cost three-dimensional (3D) coil product comprises the following steps of: a, fabricating a 3D coil distributed in a multi-circle surrounding way by a winding mode; b, carrying out injection molding to form a pot-shaped injection molding element, forming a coil groove arranged in a multi-circle surrounding way on one surface of the injection molding element; c, placing the 3D coil in the coil groove; and d, carrying out injection molding on the 3D coil to cover the coil, and only exposing two contacts serving as an anode and a cathode of the coil. A 3D coil product comprises the 3D coil, wherein the 3D coil is of a pot shape in the overall profile and is distributed in a multi-circle surrounding way, the 3D coil is arranged in the pot-shaped coil groove on the surface of the injection molding element, an injection molding material part is further formed on the 3D coil by injection molding, the injection molding material part and the injection molding element coats the 3D coil in the 3D coil product, and the two contacts as the anode and the cathode of the 3D coil are only exposed. The 3D coil product disclosed by the invention has the advantages of large effective heating area, high efficiency and uniform heating.
Description
Technical field
The present invention relates to a kind of manufacture method and 3D loop product of low cost 3D loop product.
Background technology
Electric equipment products are applied more and more extensive in our life, and people, to the raising of quality of the life, facilitate the development of electric equipment products.The heating coil ubiquity heating of ordinary appliances product is uneven, can not carry out the drawback of accurate temperature controller.Traditional 2D coil heats mode can cause the loss of higher heat, if traditional electric food warmer heating is pot bottom in heating, make heat from bottom conductive to top by contact conduction, the shortcoming brought like this heats up slowly exactly, be heated uneven, let alone intelligence accurately controls heat, air pressure and moisture.In addition, Resistant heating also has a large shortcoming to be exactly that itself will generate heat, and the power density that can bear is low, and the heating occasion needing temperature higher at some just cannot adapt to.Therefore, existing loop product can not meet the demand of people.
Summary of the invention
Main purpose of the present invention is for the deficiencies in the prior art, provides a kind of manufacture method and 3D loop product of low cost 3D loop product, and the effective heating surface (area) (HS of this 3D loop product is large, and efficiency is high, homogeneous heating.
For achieving the above object, the present invention is by the following technical solutions:
A manufacture method for low cost 3D loop product, comprises the following steps:
A. the 3D coil of multi-turn around distribution is made with winding method;
B. the moulding of injection mo(u)lding pot shape, and in the one side of described moulding, form multi-turn around the coil groove arranged;
C. described 3D coil is positioned over in described coil groove;
D. on described 3D coil, carry out injection moulding to be covered by described coil, only expose two contacts as coil both positive and negative polarity.
Further:
The one side of described moulding is the concave face of described moulding or the crowning of described moulding.
Step b be included in the edge of described moulding one-body molded go out locating button.
Described locating button comprises multiple locating buttons that circumferentially uniform intervals distribution is arranged.
In steps d, during injection moulding, reserve dead slot in the position of described contact, exposed by described dead slot to make described contact.
In step a, described 3D coil utilizes bandlet to reel and makes.
Described 3D coil is silver, brass, phosphor-copper or beryllium copper material.
In step b and steps d, injected plastics material used is plastic cement or ceramic material.
A kind of 3D loop product, comprise the 3D coil of multi-turn around distribution that overall profile is pot shape, described 3D coil is arranged in the coil groove on the moulding surface of pot shape, on described 3D coil, further injection mo(u)lding has injected plastics material part, described 3D coil is coated on inside by described injected plastics material part and described moulding, is only exposed by two contacts of the both positive and negative polarity of described 3D coil.
Further, described 3D coil in described coil groove multi-turn around being scattered in circle, square or polygon.
Beneficial effect of the present invention:
3D loop product of the present invention, Distribution of Magnetic Field is even, and actual induction active area is large, homogeneous heating, and the efficiency of heating surface is high, and properties of product are stablized.3D coil and the one-body molded overall profile of making of injected plastics material are to cave in side and the pot shape 3D loop product that opposite side arches upward, during for products such as Intelligent pans, except traditional bottom-heated, can realize heating the circulating type of whole inner bag, obtain overall heating effect very equably, the increase of heating surface (area) (HS contrast normal coil reaches 50%, heats up rapidly and homogeneous heating.Compare a few hectowatt power upper limit of the limited resistance dish heat safety of conventional coil, 3D loop product of the present invention can easily reach about 1500 watts, and efficiency is high.
Because the integral molded plastic of coil does not expose, only spill two contacts, therefore coil is played a very good protection, especially corrosion-resistant, and very can reliably waterproof, greatly can extend product useful life.Coil integral molded plastic is wrapped, product can also be avoided may to stick the problem be short-circuited together with between the circuit of coil afterwards of a specified duration.The present invention also helps coil and obtains higher quality factor, thus the inductance value of the coil that significantly reduces the wastage, improves.
3D loop product provided by the invention can be widely used in various appliance field, as Smart Home electrical equipment, comprise Intelligent pan, intelligent refrigerator, intelligent television etc., the loop product for the multi-functional consumer electronics in future provides dust-proof, scratch resistant, anticorrosion, shatter-resistant, the excellent solution such as shockproof, anti-oxidant.
In preferred version, after adopting punching press block of metal, the processes such as CNC, radium carving and/or finishing impression goes out coil, and the width of coil and coil-span can process according to actual needs very flexibly and easily and adjust.
Accompanying drawing explanation
Fig. 1 is the 3D loop construction schematic diagram of an embodiment of the present invention;
Fig. 2 is the moulding structural representation of an embodiment of the present invention;
Fig. 3 is the structural representation after the 3D coil shown in Fig. 1 and Fig. 2 and moulding being combined;
Fig. 4 is that an embodiment of the present invention carries out the structural representation after injection moulding to 3D coil;
Fig. 5 is the enlarged diagram of coiled contact in an embodiment of the present invention and dead slot.
Embodiment
Below embodiments of the present invention are elaborated.It is emphasized that following explanation is only exemplary, instead of in order to limit the scope of the invention and apply.
Consult Fig. 1 to Fig. 5, in one embodiment, a kind of manufacture method of low cost 3D loop product, comprises the following steps:
A. the 3D coil 1 of multi-turn around distribution is made with winding method;
B. the moulding 3 of injection mo(u)lding pot shape, and in the one side of described moulding, form multi-turn around the coil groove 2 arranged;
C. described 3D coil 1 is positioned over in described coil groove 2;
D. on described 3D coil 1, carry out injection moulding to be covered by described 3D coil 1, only expose two contacts as coil both positive and negative polarity.
In different embodiments, 3D coil 1 and coil groove 2 can multi-turn around being scattered in circle (as Figure 1-3), square or polygon etc.
In a preferred embodiment, 3D coil 1 can adopt but be not limited to the materials such as silver, brass, phosphor-copper or beryllium copper.3D coil 1 can utilize bandlet to reel and make.In step b and steps d, injected plastics material used can be plastic material, also can for being suitable for the ceramic material of injection moulding.
As shown in Figure 2, in a kind of preferred embodiment, in step b, the one side of moulding 3 is the concave face of moulding.
In another kind of embodiment, in step b, the one side of moulding 3 also can be the crowning of moulding 3.
As shown in figs 2-4, in a preferred embodiment, step b be included in the edge of described moulding 3 one-body molded go out locating button 4.Circumferentially multiple locating button 4 can be set in uniform intervals distribution.
As shown in fig. 4-5, in a preferred embodiment, in steps d, during injection moulding, reserve dead slot 7 in the position of described contact 6, exposed by described dead slot 7 to make described contact 6.
Consult Fig. 1 to Fig. 5, in one embodiment, a kind of 3D loop product, comprise the 3D coil 1 of multi-turn around distribution that overall profile is pot shape, described 3D coil 1 is arranged in the coil groove 2 on moulding 3 surface of pot shape, on described 3D coil 1, further injection mo(u)lding has injected plastics material part, and described 3D coil 1 is coated on inside by described injected plastics material part and described moulding 3, is only exposed by two contacts 6 of the both positive and negative polarity of described 3D coil 1.In a further embodiment, 3D loop product can possess the product feature of foregoing individual embodiments or the combination of feature.
Below be described in further detail specific embodiments of the invention.
First, bandlet can be utilized to reel according to shape winding 3D coil 1, the 3D coil 1 of product needed and make, select and conduct electricity very well, resistivity is little, the metal material of rapid heat dissipation.Preferred silver, brass, phosphor-copper, beryllium copper etc.Preferably, the rectangular of wide 1.5mm ~ 6.0mm made by coil, is wound into the spacing of live width 0.5 ~ 3.0mm, the final length and width forming 3D coil 1 overall profile all >=160mm.Preferably, Nickel Plating Treatment is done to 3D coil 1.
Injection mo(u)lding overall profile is the moulding 3 of pot shape, the one side of moulding 3 forms multi-turn around the coil groove 2 arranged.The material of moulding 3 can be any one plastic cement or ceramic material.Plastic cement is such as PC, ABS, PC+ABS, PC+20%GF etc.The thickness of moulding 3 is 1.0mm ~ 3.0mm.During injection moulding, nozzle temperature is 270 ~ 300 DEG C, and mold temperature is 60 ~ 100 DEG C, and injection pressure is 50 ~ 80MPa.
3D coil 1 is placed in the coil groove 2 of moulding 3.The width of 3D coil 1 and coil-span can set as required.Preferably, monolateral 0.05 ~ the 0.30mm wider than coil of width of the coil groove 2 of moulding 3, the dark 0.05 ~ 0.20mm of the degree of depth of the depth ratio coil of coil groove, the wide 1.5mm ~ 6.0mm of coil, line-spacing 0.5 ~ 3.0mm, to obtain the irritability that larger inductance value is become reconciled by preferably size.
Two contacts 6 are formed in the position of 3D coil 1 close head, tail.Can relevant position welding on two metal contact 6.Two contacts 6 do preliminary treatment, as nickel plating or gold-plated.Do Nickel Plating Treatment, can prevent product surface with air in or water oxygen or chlorine generation chemical reaction, outward appearance can be made to keep clean beautiful, increase the service life.Do gold-plated process, chemical stability is good.
Finally structural member is after treatment put into mould, in-mould injection plastic cement, 3D coil covers by plastic cement, only exposes two contacts, 6, two contacts 6 and forms both positive and negative polarity.Thus obtained 3D loop product.
After 3D loop product switches on power, formed one around magnetic field, be converted to heat energy by magnetic field energy and heat product, make electrical equipment have heating function, 3D loop product itself is not generated heat.This 3D loop product heating area is large, and heating effect is even, and save space again, make electrical equipment volume little, overall weight alleviates simultaneously.In the course of work, when the alternate magnetic force line in low coverage magnetic field is by neighbouring magnetic metal (iron, cobalt, nickel) material, the microstructure of metal can be driven, produce countless little eddy current, Metallic Microstructure itself is rubbed mutually thus self-heating, thus reaches the object of noncontact heated metal material.3D loop product is by electromagnetic induction heating, and coil itself does not generate heat because of magnetic field, and heating efficiency and efficiency are all very high.
Except being used as load coil, coil of the present invention also can be used for the purposes such as conduction, antenna receiving signal.
Above content combines concrete/preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; its execution mode that can also describe these makes some substituting or modification, and these substitute or variant all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a manufacture method for low cost 3D loop product, is characterized in that, comprises the following steps:
A. the 3D coil of multi-turn around distribution is made with winding method;
B. the moulding of injection mo(u)lding pot shape, and in the one side of described moulding, form multi-turn around the coil groove arranged;
C. described 3D coil is positioned over in described coil groove;
D. on described 3D coil, carry out injection moulding to be covered by described coil, only expose two contacts as coil both positive and negative polarity.
2. the manufacture method of low cost 3D loop product as claimed in claim 1, it is characterized in that, the one side of described moulding is the concave face of described moulding or the crowning of described moulding.
3. the manufacture method of low cost 3D loop product as claimed in claim 1 or 2, is characterized in that, step b be included in the edge of described moulding one-body molded go out locating button.
4. the manufacture method of low cost 3D loop product as claimed in claim 3, is characterized in that, described locating button comprises multiple locating buttons that circumferentially uniform intervals distribution is arranged.
5. the manufacture method of the low cost 3D loop product as described in any one of Claims 1-4, is characterized in that, in steps d, reserves dead slot during injection moulding in the position of described contact, is exposed by described dead slot to make described contact.
6. the manufacture method of the low cost 3D loop product as described in any one of Claims 1-4, is characterized in that, in step a, described 3D coil utilizes bandlet to reel and makes.
7. the manufacture method of the low cost 3D loop product as described in any one of Claims 1-4, is characterized in that, described 3D coil is silver, brass, phosphor-copper or beryllium copper material.
8. the manufacture method of the low cost 3D loop product as described in any one of Claims 1-4, is characterized in that, in step b and steps d, injected plastics material used is plastic cement or ceramic material.
9. a 3D loop product, it is characterized in that, comprise the 3D coil of multi-turn around distribution that overall profile is pot shape, described 3D coil is arranged in the coil groove on the moulding surface of pot shape, on described 3D coil, further injection mo(u)lding has injected plastics material part, described 3D coil is coated on inside by described injected plastics material part and described moulding, is only exposed by two contacts of the both positive and negative polarity of described 3D coil.
10. 3D loop product as claimed in claim 9, is characterized in that, described 3D coil in described coil groove multi-turn around being scattered in circle, square or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557486.3A CN105101499A (en) | 2015-09-01 | 2015-09-01 | Fabrication method of low-cost three-dimensional (3D) coil product and 3D coil product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557486.3A CN105101499A (en) | 2015-09-01 | 2015-09-01 | Fabrication method of low-cost three-dimensional (3D) coil product and 3D coil product |
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| CN105101499A true CN105101499A (en) | 2015-11-25 |
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| CN201510557486.3A Pending CN105101499A (en) | 2015-09-01 | 2015-09-01 | Fabrication method of low-cost three-dimensional (3D) coil product and 3D coil product |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04355093A (en) * | 1991-05-30 | 1992-12-09 | Mitsubishi Electric Home Appliance Co Ltd | Inductive heating device |
| CN201414236Y (en) * | 2009-06-05 | 2010-02-24 | 何卓雄 | Coil panel heated by electromagnetic induction |
| CN202005003U (en) * | 2011-04-08 | 2011-10-05 | 熊铭刚 | Induction heating coil panel |
| CN202396018U (en) * | 2011-12-02 | 2012-08-22 | 美的集团有限公司 | Electromagnetic heating coil panel |
| CN102859623A (en) * | 2010-03-20 | 2013-01-02 | 大同特殊钢株式会社 | Method of manufacture for encased coil body and encased coil body |
| CN203618162U (en) * | 2013-12-19 | 2014-05-28 | 钟祥三富机电有限公司 | An induction cooker concave coil panel |
-
2015
- 2015-09-01 CN CN201510557486.3A patent/CN105101499A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04355093A (en) * | 1991-05-30 | 1992-12-09 | Mitsubishi Electric Home Appliance Co Ltd | Inductive heating device |
| CN201414236Y (en) * | 2009-06-05 | 2010-02-24 | 何卓雄 | Coil panel heated by electromagnetic induction |
| CN102859623A (en) * | 2010-03-20 | 2013-01-02 | 大同特殊钢株式会社 | Method of manufacture for encased coil body and encased coil body |
| CN202005003U (en) * | 2011-04-08 | 2011-10-05 | 熊铭刚 | Induction heating coil panel |
| CN202396018U (en) * | 2011-12-02 | 2012-08-22 | 美的集团有限公司 | Electromagnetic heating coil panel |
| CN203618162U (en) * | 2013-12-19 | 2014-05-28 | 钟祥三富机电有限公司 | An induction cooker concave coil panel |
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| CB02 | Change of applicant information |
Address after: 523843 Changan City, Guangdong Province town on the corner management area Applicant after: Guangdong wins smart group Limited by Share Ltd Applicant after: DONGGUAN HUACHENG METAL TECHNOLOGY CO., LTD. Address before: 523843 Changan City, Guangdong Province town on the corner management area Applicant before: Dongguan Janus Precision Components Co., Ltd. Applicant before: DONGGUAN HUACHENG METAL TECHNOLOGY CO., LTD. |
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Application publication date: 20151125 |
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| RJ01 | Rejection of invention patent application after publication |