CN204442733U - A kind of electromagnetic wire coil of homogeneous heating - Google Patents

A kind of electromagnetic wire coil of homogeneous heating Download PDF

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Publication number
CN204442733U
CN204442733U CN201520118700.0U CN201520118700U CN204442733U CN 204442733 U CN204442733 U CN 204442733U CN 201520118700 U CN201520118700 U CN 201520118700U CN 204442733 U CN204442733 U CN 204442733U
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Prior art keywords
ring
magnetic stripe
coil
groove
draw
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CN201520118700.0U
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朱泽春
张建财
黄青军
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Joyoung Co Ltd
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Joyoung Co Ltd
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Abstract

The utility model relates to a kind of electromagnetic wire coil of homogeneous heating, comprise support, coil, magnetic stripe, support is provided with draw-in groove, coil curls up and form annulus winding in draw-in groove, magnetic stripe is rack-mount radially, annulus comprises from inside to outside inner ring coil, Middle Ring Line circle, the outer shroud coil of coiling successively, and the number of turns of Middle Ring Line circle is less than the number of turns of outer shroud coil and/or inner ring coil.The utility model solves the problem of local overheating amount of localized heat deficiency in prior art, makes the Distribution of Magnetic Field in drum more even.

Description

A kind of electromagnetic wire coil of homogeneous heating
Technical field
The utility model relates to small household appliances, particularly a kind of electromagnetic wire coil of homogeneous heating.
Background technology
The drum of electromagnetic oven is an energy conversion device, and its design directly affects heating power, the efficiency of heating surface, heating surface (area) (HS, the homogeneous heating degree of electromagnetic oven to pan.Due to the impact of production cost and the requirement of processing stability, electromagnetic oven wire coil on the market usually all adopt monocycle multilayer dredge around mode, but the drum heating of adopting in this way is uneven, it is in heating process, the heat area distribution of whole heating tape, easily produce the situation of being charred when cooking food, even easily cause pot body deformability and other safety problems occur, the serious experience that have impact on consumer.
Utility model content
The object that the utility model will realize is to provide a kind of electromagnetic wire coil of homogeneous heating.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of electromagnetic wire coil of homogeneous heating, comprise support, coil, magnetic stripe, support is provided with draw-in groove, coil curls up and form annulus winding in draw-in groove, magnetic stripe is rack-mount radially, and annulus comprises from inside to outside inner ring coil, Middle Ring Line circle, the outer shroud coil of coiling successively, and the number of turns of Middle Ring Line circle is less than the number of turns of outer shroud coil and/or inner ring coil.
Further, inner ring coil, Middle Ring Line circle, outer shroud coil is wound in the inner ring draw-in groove of support, middle ring draw-in groove, outer shroud draw-in groove respectively, and the spacing of the spacing of the outermost end draw-in groove of inner ring draw-in groove and the inner terminal draw-in groove of middle ring draw-in groove, the outermost end draw-in groove of middle ring draw-in groove and the inner terminal draw-in groove of outer shroud draw-in groove is 1 ~ 6 times of a draw-in groove width.
Further, magnetic stripe comprises inner ring magnetic stripe fixing successively from inside to outside and outer shroud magnetic stripe, and inner ring magnetic stripe and outer shroud magnetic stripe are arranged along the radial direction of solenoid.Have gap between inner ring magnetic stripe and outer shroud magnetic stripe, inner ring magnetic stripe is positioned at below inner ring coil, and outer shroud magnetic stripe is positioned at below outer shroud coil, and inner ring magnetic stripe and/or outer shroud magnetic stripe extend to the below of Middle Ring Line circle.
Further, support is respectively equipped with the first slotted eye in the inner side of the inner terminal draw-in groove of inner ring coil and the outside of outermost end draw-in groove, the two ends of inner ring magnetic stripe are inserted in the first slotted eye, be provided with the second slotted eye inside the inner terminal draw-in groove of Middle Ring Line circle with outside the outermost end draw-in groove of outer shroud draw-in groove, the two ends of outer shroud magnetic stripe are inserted in the second slotted eye.
Further, the inner face of outer shroud magnetic stripe is positioned at the outside of the outer face of inner ring magnetic stripe, and inner ring magnetic stripe and outer shroud magnetic stripe radially aligned one by one, radial distance is between the two not less than 2mm.
Further, the first slotted eye is respectively equipped with outside the outermost end draw-in groove that support encloses with Middle Ring Line inside the inner terminal draw-in groove of inner ring coil, the two ends of inner ring magnetic stripe are inserted in the first slotted eye, be respectively equipped with the second slotted eye inside the inner terminal draw-in groove of Middle Ring Line circle with outside the outermost end draw-in groove of outer shroud coil, the two ends of outer shroud magnetic stripe are inserted in the second slotted eye.
Further, inner ring magnetic stripe and outer shroud magnetic stripe radial direction stagger mutually, and the spacing between the sidewall of outer shroud magnetic stripe and the sidewall of inner ring magnetic stripe is not less than 2mm.
Further, inner ring coil height increases progressively to inside and outside both sides by middle part.
Further, Middle Ring Line circle highly at least increases progressively to the inside by outermost.
Further, outer shroud coil height at least increases progressively laterally by inner side.
After adopting technique scheme, the utility model has the following advantages:
First, outer shroud and inner ring magnetic stripe disconnect, and increase inner and outer ring magnetic resistance, the magnetic field effectively preventing outer shroud from producing is concentrated to inner ring along magnet, inner ring magnetic field is produced by inner ring coil completely, excessively not strong because of magnetic field superposition, also can not make outer shroud field weakening because of magnetic stripe magnetic conduction.Secondly, by regulating winding turns and the number of plies of each ring, the superposition in control coil magnetic field, making the field homogeneity of pan plane, reaching the object to the heating of pan Load Balanced.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is the front schematic view of the utility model embodiment one;
Fig. 2 is the schematic diagram not comprising support of Fig. 1;
Fig. 3 is the supporting structure schematic diagram of Fig. 1;
Fig. 4 is the A-A profile of Fig. 1;
Fig. 5 is the A-A section B place enlarged drawing of Fig. 1;
Fig. 6 is the front schematic view of the utility model embodiment two.
Embodiment
As shown in Figure 1 and 2, a kind of homogeneous heating drum, comprises coil, magnetic stripe and support 1, and coil comprises from inside to outside inner ring coil 2 around the home, Middle Ring Line circle 3 and outer shroud coil 4 successively, and the number of turns of Middle Ring Line circle 3 is less than the number of turns of outer shroud coil 4 and/or inner ring coil 2.Support 1 is respectively equipped with for coiling inner ring coil 2, Middle Ring Line circle 3, the inner ring draw-in groove 13 of outer shroud coil 4, middle ring draw-in groove 14, outer shroud draw-in groove 15, the spacing H2 of the spacing H1 of the outermost end draw-in groove of inner ring draw-in groove 13 and the inner terminal draw-in groove of middle ring draw-in groove 14, the outermost end draw-in groove of middle ring draw-in groove 14 and the inner terminal draw-in groove of outer shroud draw-in groove 15 is 1 ~ 6 times of a draw-in groove width.Inner ring coil 2 height increases progressively to inside and outside both sides by middle part, Middle Ring Line circle 3 highly at least increases progressively to the inside by outermost, outer shroud coil 4 highly at least increases progressively laterally by inner side, magnetic stripe comprises inner ring magnetic stripe 6 fixing successively from inside to outside and outer shroud magnetic stripe 5, inner ring magnetic stripe 6 and outer shroud magnetic stripe 5 are arranged along the radial direction of coil, radially rack-mount, heating plate center is strengthened with this, inner ring coil 2 and Middle Ring Line enclose 3 transition region and Middle Ring Line enclose the heating effect of these three weak heating regions of transition region of 3 and outer shroud coil 4, realize whole to the overall homogeneous heating bottom pan.
Magnetic stripe generally adopts highly leads low-loss magnetic material, effectively reduces iron loss during drum work.Solenoid can adopt 130 strands of diameters to be that the copper wire winding of 0.15mm forms, and has the advantage that conducting internal resistance is little, effectively reduces copper loss during drum work.
In addition, in the utility model, " number of turns " does not refer to the draw-in groove number being wound with coil, and refer to the number of plies summation on wire coil bracket in each draw-in groove, " homogeneous heating " is not absolute even, do not refer to that temperature, heat are equal everywhere, but make the heat of the heat of drum inner ring, temperature and outer shroud, temperature close to each other, namely inner ring coil place position can not heat too much, temperature is too high, food is avoided easily to be charred, and Middle Ring Line circle, outer shroud coil place position can not heat very few, temperature is too low, avoids food to be difficult to boil.About the radial direction that " inside and outside " is with reference to drum, be " interior " near the center of drum, center away from drum is " outward ", is not only applicable to the comparison between different parts, and is applicable to the comparison of a certain this body structure of parts different piece.
Elaborate below in conjunction with specific embodiment.
Embodiment one:
As shown in Fig. 1 ~ 3, support 1 is respectively equipped with the first slotted eye 11 in the inside and outside both sides of the inside and outside two ends draw-in groove of inner ring coil 2, the two ends of inner ring magnetic stripe 6 are inserted in the first slotted eye 11, the second slotted eye 12 is provided with inside the inner terminal draw-in groove of Middle Ring Line circle 3 with inside the outermost end draw-in groove of outer shroud coil 4, the two ends of outer shroud magnetic stripe 5 are inserted in the second slotted eye 12, and namely Middle Ring Line circle 3 shares outer shroud magnetic stripe 5 with outer shroud coil 4.Inner ring magnetic stripe 6 and outer shroud magnetic stripe 5 radially aligned one by one, the inner face of outer shroud magnetic stripe 5 is positioned at the outside of the outer face of inner ring magnetic stripe 6, radial distance L1 is between the two not less than 2mm, effective guarantee inner ring magnetic stripe 6 can not superpose with the magnetic line of force between outer shroud magnetic stripe 5, the effect of impact heating, but this distance is also unsuitable excessive, is generally no more than 15mm, otherwise can increases the size of drum.
As shown in Fig. 4 ~ 5, in the present embodiment, preferred magnetic stripe and coil are set to: inner ring magnetic stripe and outer shroud magnetic stripe adopt eight single u-shaped magnetic stripes respectively, inner ring coil 2 is respectively three layers, three layers, two layers, three layers, three layers from inside to outside, Middle Ring Line circle 3 is respectively two layers from inside to outside, two layers, one deck, one deck, outer shroud coil 4 be respectively from inside to outside one deck, two layers, two layers, two layers, two layers, namely the number of turns of inner ring coil 2 is 14 circles, and the number of turns of Middle Ring Line circle 3 is 6 circles, and the number of turns of outer shroud coil 4 is 9 circles.
Preferably, the shape of magnetic stripe is fan-shaped, can ensure that magnetic stripe mates to greatest extent with drum, improve the heating effect of whole coil.
Embodiment two:
As shown in Figure 6, from the difference of embodiment two, it is only that the layout of inner and outer rings magnetic stripe is different.Specifically: outside the outermost end draw-in groove that support encloses with Middle Ring Line inside the inner terminal draw-in groove of inner ring coil 2, be respectively equipped with the first slotted eye 11, inner ring magnetic stripe 5 extends the below of Middle Ring Line circle, the two ends of inner ring magnetic stripe 6 are inserted in the first slotted eye 11, namely that to be inner ring coil 2 with Middle Ring Line enclose inner ring magnetic stripe 5 is 3 shared, the second slotted eye 12 is respectively equipped with inside the inner terminal draw-in groove of Middle Ring Line circle 3 with outside the outermost end draw-in groove of outer shroud coil 4, outer shroud magnetic stripe 5 extends to the below of Middle Ring Line circle 3, the two ends of outer shroud magnetic stripe 5 are inserted in the second slotted eye 12, namely outer shroud magnetic stripe 5 shares with outer shroud coil 4 for Middle Ring Line circle 3.Inner ring magnetic stripe 6 and outer shroud magnetic stripe 5 radial direction stagger mutually, and the spacing L2 between the sidewall of outer shroud magnetic stripe 5 and the sidewall of inner ring magnetic stripe 6 is not less than 2mm.Inner ring coil 2, Middle Ring Line circle 3 and outer shroud coil 4 carry out the reasonable distribution of the magnetic line of force by the magnetic stripe of the mutual cross-over connection at interval, then the object by regulating the number of turns of winding can reach field homogeneity, thus make heating evenly.
Except above preferred embodiment, the utility model also has other execution mode, those skilled in the art can make various change and distortion according to the utility model, only otherwise depart from spirit of the present utility model, all should belong to the scope that the utility model claims define.

Claims (10)

1. the electromagnetic wire coil of a homogeneous heating, comprise support, coil, magnetic stripe, support is provided with draw-in groove, coil curls up and form annulus in draw-in groove, magnetic stripe is rack-mount radially, it is characterized in that described annulus comprises from inside to outside inner ring coil, Middle Ring Line circle, the outer shroud coil of coiling successively, the number of turns of Middle Ring Line circle is less than the number of turns of outer shroud coil and/or inner ring coil.
2. the electromagnetic wire coil of homogeneous heating as claimed in claim 1, it is characterized in that described inner ring coil, Middle Ring Line circle, outer shroud coil is wound in the inner ring draw-in groove of support, middle ring draw-in groove, outer shroud draw-in groove respectively, the spacing of the spacing of the outermost end draw-in groove of inner ring draw-in groove and the inner terminal draw-in groove of middle ring draw-in groove, the outermost end draw-in groove of middle ring draw-in groove and the inner terminal draw-in groove of outer shroud draw-in groove is 1 ~ 6 times of a draw-in groove width.
3. the electromagnetic wire coil of homogeneous heating as claimed in claim 2, described magnetic stripe comprises inner ring magnetic stripe fixing successively from inside to outside and outer shroud magnetic stripe, inner ring magnetic stripe and outer shroud magnetic stripe are arranged along the radial direction of solenoid, between inner ring magnetic stripe and outer shroud magnetic stripe, there is gap, inner ring magnetic stripe is positioned at below inner ring coil, outer shroud magnetic stripe is positioned at below outer shroud coil, and inner ring magnetic stripe and/or outer shroud magnetic stripe extend to the below of Middle Ring Line circle.
4. the electromagnetic wire coil of homogeneous heating as claimed in claim 3, it is characterized in that described support is respectively equipped with the first slotted eye in the inner side of the inner terminal draw-in groove of inner ring coil and the outside of outermost end draw-in groove, the two ends of inner ring magnetic stripe are inserted in the first slotted eye, be provided with the second slotted eye inside the inner terminal draw-in groove of Middle Ring Line circle with outside the outermost end draw-in groove of outer shroud draw-in groove, the two ends of outer shroud magnetic stripe are inserted in the second slotted eye.
5. the electromagnetic wire coil of homogeneous heating as claimed in claim 4, it is characterized in that the inner face of described outer shroud magnetic stripe is positioned at the outside of the outer face of inner ring magnetic stripe, inner ring magnetic stripe and outer shroud magnetic stripe radially aligned one by one, radial distance is between the two not less than 2mm.
6. the electromagnetic wire coil of homogeneous heating as claimed in claim 3, it is characterized in that being respectively equipped with the first slotted eye outside the outermost end draw-in groove that described support encloses with Middle Ring Line inside the inner terminal draw-in groove of inner ring coil, the two ends of inner ring magnetic stripe are inserted in the first slotted eye, be respectively equipped with the second slotted eye inside the inner terminal draw-in groove of Middle Ring Line circle with outside the outermost end draw-in groove of outer shroud coil, the two ends of outer shroud magnetic stripe are inserted in the second slotted eye.
7. the electromagnetic wire coil of homogeneous heating as claimed in claim 6, it is characterized in that described inner ring magnetic stripe and outer shroud magnetic stripe radial direction stagger mutually, the spacing between the sidewall of outer shroud magnetic stripe and the sidewall of inner ring magnetic stripe is not less than 2mm.
8. the electromagnetic wire coil of homogeneous heating as claimed in any of claims 1 to 7 in one of claims, is characterized in that described inner ring coil height increases progressively to inside and outside both sides by middle part.
9. the electromagnetic wire coil of homogeneous heating as claimed in claim 8, is characterized in that described Middle Ring Line circle highly at least increases progressively to the inside by outermost.
10. the electromagnetic wire coil of homogeneous heating as claimed in claim 9, is characterized in that described outer shroud coil height at least increases progressively laterally by inner side.
CN201520118700.0U 2015-02-28 2015-02-28 A kind of electromagnetic wire coil of homogeneous heating Active CN204442733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520118700.0U CN204442733U (en) 2015-02-28 2015-02-28 A kind of electromagnetic wire coil of homogeneous heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520118700.0U CN204442733U (en) 2015-02-28 2015-02-28 A kind of electromagnetic wire coil of homogeneous heating

Publications (1)

Publication Number Publication Date
CN204442733U true CN204442733U (en) 2015-07-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2736077A1 (en) * 2018-06-21 2019-12-23 Bsh Electrodomesticos Espana Sa Induction oven device (Machine-translation by Google Translate, not legally binding)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2736077A1 (en) * 2018-06-21 2019-12-23 Bsh Electrodomesticos Espana Sa Induction oven device (Machine-translation by Google Translate, not legally binding)
WO2019243919A1 (en) * 2018-06-21 2019-12-26 BSH Hausgeräte GmbH Induction oven device

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