CN102833900A - Double-helix heating coil panel - Google Patents
Double-helix heating coil panel Download PDFInfo
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- CN102833900A CN102833900A CN2012103592558A CN201210359255A CN102833900A CN 102833900 A CN102833900 A CN 102833900A CN 2012103592558 A CN2012103592558 A CN 2012103592558A CN 201210359255 A CN201210359255 A CN 201210359255A CN 102833900 A CN102833900 A CN 102833900A
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- heater coil
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- double helix
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Abstract
The invention discloses a double-helix heating coil panel which comprises a coil panel support, wherein the top of the coil panel support is provided with an involute winding slot, and a heating coil is wound on the winding slot. The coil panel is characterized in that the density change of the winding slot between the inner and outer rings of the coil panel support is involute; and the heating coil is formed by serially connecting an inner heating coil panel and an outer heating coil panel and wound in the winding slot in a double-helix form. The density of the winding slot between the inner and outer rings of the coil panel support is gradually improved from the inner ring of the coil panel support to the outer ring. By adjusting the clearance between the inner and outer rings of the winding slot on the coil panel support, the magnetic field produced by the heating coil on the coil panel support is uniformly distributed from the center of an oven to the periphery, so that the bottom of a heated pot is heated uniformly, and an electromagnetic oven is suitable for stir-frying food.
Description
Technical field
The present invention relates to a kind of coil panel, particularly a kind of double helix heater coil disc.
Background technology
Electromagnetic oven is a kind of kitchen range that lean on the electromagnetic field heat food.It produces alternating magnetic field through alternating current through coil, and the irony pan on the boiler face is sensed magnetic field, thereby produces eddy current, again through specific control, transforms out a large amount of heat energy on demand and directly makes a pot body generate heat rapidly, reaches the purpose of heat food.Traditional electromagnetic oven since the coil of its coil panel evenly around above that, so the magnetic field intensity of its generation is a uniform field regions of intensity from the center to the periphery.Because the heat radiation of pan centre is significantly less than the pan periphery, so the temperature in pan centre is much higher than the peripheral temperature of pan.The inequality owing to be heated, so electromagnetic oven generally is not suitable for as frying in shallow oil cooked food the scope of application of electromagnetic oven being restricted.Chinese patent document CN2634794 discloses a kind of electromagnetic oven heating spool rest on August 18th, 2004, be made up of heater wire one circle circle coiling, it is characterized in that the mid diameter partial line of heating spool rest and the gap of line are 1mm-3mm.Said heating spool rest can be the planar line dish, also can be the cambered surface drum.It is said; It is through expressing the uniformity of controlling magnetic field intensity with the density of the coiling of drum; Make the magnetic field intensity of whole drum more even in the different-diameter position; But the coil density degree of this structure is not complete gradual change type, causes coil winding to get and justifies (particularly coil is than the part of rarefaction branch) inadequately, thereby can influence the uniformity that it produces magnetic field.Therefore, be necessary to do further improvement.
Summary of the invention
The object of the invention aim to provide a kind of simplicity of design rationally, make the bottom of the heated pot uniform double helix heater coil disc that is heated, to overcome weak point of the prior art.
A kind of double helix heater coil disc by this purpose design; Comprise coil bracket; The top of coil bracket is provided with the winding slot of involute, and heater coil is around above that, its architectural feature be between the coil bracket Internal and external cycle the variable density of winding slot be gradual change type; Heater coil is connected in series by interior heater coil disc and outer heater coil dish and forms, and is the double helix form in winding slot.
Between the said coil bracket Internal and external cycle the density of winding slot, to the outer ring, it is close that the arrangement of winding slot becomes from spare to dense again from the inner ring of coil bracket.
The spacing of the interior heater coil disc two adjacent rings of said heater coil, to the outer ring, spacing is ascending from the inner ring of interior heater coil disc; The spacing of the outer heater coil dish two adjacent rings of said heater coil, to the outer ring, spacing is descending from the inner ring of outer heater coil dish; The be connected in series heater coil of formation double helix form of the inner ring of the outmost turns of interior heater coil disc and outer heater coil dish.
The rare close spacing equation of said heater coil coiling, 1/2 of the live width of said heater coil is defined as a, and the radius of heater coil is defined as b; The interior pore radius of heater coil is defined as c; Simultaneously to cartesian coordinate system, the input parameter equation, according to t (from 0 to 1) to the helix terminal point to the center of circle apart from r; Anglec of rotation theta, the height z of helix rotation; There is the parametric equation of interior heater coil disc to be: r=a*t*t*t+c, theta=t* (n*360), z=0; The parametric equation of outer heater coil dish is: r=b-a*t*t*t, theta=t* (n*360), z=0.
The number of turns of said heater coil is the 8-16 circle, and the spacing between the heater coil two adjacent rings is 0-8mm; Said heater coil is the 1-3 layer coil panel structure of range upon range of assembling.
When said heater coil is 1 layer of coil panel structure, heater coil directly from current circle around to next circle; When heater coil was layer 2-3 coil panel structure, heater coil,, enclosed around next with the consistent continued of the heater coil number of plies up to the number of plies of current circle jumping the current orlop that encloses initial point of wraparound around an intact circle whenever, and the multilayer heater coil of every circle is in series.
The both sides, top of the bottom of said coil bracket and winding slot are all one-body molded to have several tips protruding.The diameter of said coil bracket is 120-240mm.
The present invention is through the Internal and external cycle crack of winding slot on the adjustment coil bracket; Thereby magnetic field that heater coil produces on coil bracket is evenly distributed to its periphery from the central authorities of cooking stove; The bottom of a pan of heated pot is heated evenly, electromagnetic oven is more suitable for as frying in shallow oil cooked food.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the other direction structural representation of Fig. 1;
Fig. 3 is the structural representation of interior heater coil disc among the embodiment;
Fig. 4 is the structural representation of embodiment China and foreign countries heater coil disc;
Fig. 5 is the structural representation of heater coil among the embodiment.
Among the figure: 1 is coil bracket, and 2 is heater coil, and 2.1 is interior heater coil disc, and 2.2 is outer heater coil dish, 3 winding slots, and 4 is that tip is protruding, and A is the helix terminal point of interior heater coil disc, and B is the helix terminal point of outer heater coil dish.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 1-Fig. 5, a kind of double helix heater coil disc comprises coil bracket 1, and the top of coil bracket 1 is provided with the winding slot 3 of involute, and heater coil 2 is around above that.Between coil bracket 1 Internal and external cycle the density of winding slot 3, to the outer ring, it is close that the arrangement of winding slot 3 becomes from spare to dense again from the inner ring of coil bracket 1.The spacing of interior heater coil disc 2.1 two adjacent rings of heater coil 2, to the outer ring, spacing is ascending from the inner ring of interior heater coil disc 2.1; The spacing of outer heater coil dish 2.2 two adjacent rings of heater coil 2, to the outer ring, spacing is descending from the inner ring of outer heater coil dish 2.2; The be connected in series heater coil 2 of formation double helix form of the inner ring of the outmost turns of interior heater coil disc 2.1 and outer heater coil dish 2.2.Several circles of inside/outside that as required interior heater coil disc 2.1/ outer heater coil dish 2.2 pitch can't be separated remove.The both sides, top of the bottom of coil bracket 1 and winding slot 3 are all one-body molded to have several tips protruding 4.The tip protruding 4 that places both sides, winding slot 3 top is out of shape the heater coil 2 and the ferrocart core that press winding after through heat treatment, can better fixed heated coil 2 and ferrocart core, need not add glue fixing again, and be beneficial to processing.
The rare close spacing equation of heater coil 2 coilings, 1/2 of the live width of heater coil 2 is defined as a, and the radius of heater coil 2 is defined as b; The interior pore radius of heater coil 2 is defined as c; Simultaneously to cartesian coordinate system, the input parameter equation, according to t (from 0 to 1) to the helix terminal point to the center of circle apart from r; Anglec of rotation theta, the height z of helix rotation; There is the parametric equation of interior heater coil disc 2.1 to be: r=a*t*t*t+c, theta=t* (n*360), z=0; The parametric equation of outer heater coil dish 2.2 is: r=b-a*t*t*t, theta=t* (n*360), z=0.
In this enforcement, the diameter of coil bracket 1 is 174mm, and totally 13 circles have reduced cost of material.From interior heater coil disc 2.1 to the ascending descending again double helix form of outer heater coil dish 2.2 spacings.Through aforesaid equation, we obtain following data: from inside to outside, the 1st, 2 circle spacing minimums are 0-2mm; 2nd, 3 circle spacings are 1.2 ± 1.2mm, and the 3rd, 4 circle spacings are 2.2 ± 2mm, and the 4th, 5 circle spacings are 3.3 ± 2mm; 5th, 6 circle spacings are 4.5 ± 2mm, and the 6th, 7 circle spacing maximum spacings are 6 ± 2mm, and the 7th, 8 circle spacings are 6 ± 2mm; 8th, 9 circle spacings are 4.5 ± 2mm, and the 9th, 10 circle spacings are 3.3 ± 2mm, and the 10th, 11 circle spacings are 2.2 ± 2mm; 11st, 12 circle spacings are 1.2 ± 1.2mm, and the 12nd, 13 circle spacings are 0-2mm.Heater coil 2 is 1 layer of coil panel structure, heater coil 2 directly from current circle around to next circle, do not have the contact of intersection between the two adjacent rings.
Claims (8)
1. double helix heater coil disc; Comprise coil bracket (1); The top of coil bracket is provided with the winding slot (3) of involute, and heater coil (2) is around above that, and the variable density that it is characterized in that the winding slot between the coil bracket Internal and external cycle is a gradual change type; Heater coil is connected in series by interior heater coil disc (2.1) and outer heater coil dish (2.2) and forms, and is the double helix form in winding slot.
2. double helix heater coil disc according to claim 1, it is characterized in that between said coil bracket (1) Internal and external cycle the density of winding slot (3), to the outer ring, it is close that the arrangement of winding slot becomes from spare to dense again from the inner ring of coil bracket.
3. double helix heater coil disc according to claim 2 is characterized in that the spacing of interior heater coil disc (2.1) two adjacent rings of said heater coil (2), and to the outer ring, spacing is ascending from the inner ring of interior heater coil disc; The spacing of outer heater coil dish (2.2) two adjacent rings of said heater coil, to the outer ring, spacing is descending from the inner ring of outer heater coil dish; The be connected in series heater coil of formation double helix form of the inner ring of the outmost turns of interior heater coil disc and outer heater coil dish.
4. double helix heater coil disc according to claim 3 is characterized in that the rare close spacing equation that said heater coil (2) winds the line, and 1/2 of the live width of heater coil is defined as a; The radius of heater coil is defined as b, and the interior pore radius of heater coil is defined as c, simultaneously to cartesian coordinate system; The input parameter equation; According to t (from 0 to 1) to the helix terminal point to the center of circle apart from r, anglec of rotation theta, the height z of helix rotation; There is the parametric equation of interior heater coil disc (2.1) to be: r=a*t*t*t+c, theta=t* (n*360), z=0; The parametric equation of outer heater coil dish (2.2) is: r=b-a*t*t*t, theta=t* (n*360), z=0.
5. double helix heater coil disc according to claim 3, the number of turns that it is characterized in that said heater coil (2) are the 8-16 circle, and the spacing between the heater coil two adjacent rings is 0-8mm; Said heater coil is the 1-3 layer coil panel structure of range upon range of assembling.
6. double helix heater coil disc according to claim 5, when it is characterized in that said heater coil (2) is 1 layer of coil panel structure, heater coil directly from current circle around to next circle; When heater coil was layer 2-3 coil panel structure, heater coil,, enclosed around next with the consistent continued of the heater coil number of plies up to the number of plies of current circle jumping the current orlop that encloses initial point of wraparound around an intact circle whenever, and the multilayer heater coil of every circle is in series.
7. according to each described double helix heater coil disc of claim 1-6, it is characterized in that the both sides, top of bottom and winding slot (3) of said coil bracket (1) are all one-body molded has several tips protruding (4).
8. double helix heater coil disc according to claim 7, the diameter that it is characterized in that said coil bracket (1) is 120-240mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210359255.8A CN102833900B (en) | 2012-09-24 | 2012-09-24 | Double helix heater coil disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210359255.8A CN102833900B (en) | 2012-09-24 | 2012-09-24 | Double helix heater coil disc |
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| Publication Number | Publication Date |
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| CN102833900A true CN102833900A (en) | 2012-12-19 |
| CN102833900B CN102833900B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210359255.8A Active CN102833900B (en) | 2012-09-24 | 2012-09-24 | Double helix heater coil disc |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106136856A (en) * | 2016-09-20 | 2016-11-23 | 广东美的生活电器制造有限公司 | Coil panel and cooking machine |
| CN108432342A (en) * | 2015-12-31 | 2018-08-21 | 应用材料公司 | High temperature heaters for processing chambers |
| CN110907492A (en) * | 2019-11-28 | 2020-03-24 | 航天特种材料及工艺技术研究所 | A uniform temperature high temperature heating component and heating device for thermal conductivity test |
| CN110940696A (en) * | 2019-11-28 | 2020-03-31 | 航天特种材料及工艺技术研究所 | Temperature-equalizing heating device for heat conductivity test |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940695B (en) * | 2019-11-28 | 2022-04-26 | 航天特种材料及工艺技术研究所 | A heat gathering device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03167777A (en) * | 1989-11-27 | 1991-07-19 | Shimada Phys & Chem Ind Co Ltd | Induction heating coil |
| CN2679958Y (en) * | 2004-01-14 | 2005-02-16 | 尚朋堂(广州)电器有限公司 | Internal/external ring type heating coil |
| CN201789651U (en) * | 2010-09-02 | 2011-04-06 | 万宇 | induction cooker coil |
| CN202873110U (en) * | 2012-09-24 | 2013-04-10 | 万宇 | Double helical heating coil disk |
-
2012
- 2012-09-24 CN CN201210359255.8A patent/CN102833900B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03167777A (en) * | 1989-11-27 | 1991-07-19 | Shimada Phys & Chem Ind Co Ltd | Induction heating coil |
| CN2679958Y (en) * | 2004-01-14 | 2005-02-16 | 尚朋堂(广州)电器有限公司 | Internal/external ring type heating coil |
| CN201789651U (en) * | 2010-09-02 | 2011-04-06 | 万宇 | induction cooker coil |
| CN202873110U (en) * | 2012-09-24 | 2013-04-10 | 万宇 | Double helical heating coil disk |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108432342A (en) * | 2015-12-31 | 2018-08-21 | 应用材料公司 | High temperature heaters for processing chambers |
| CN108432342B (en) * | 2015-12-31 | 2022-09-16 | 应用材料公司 | High temperature heaters for processing chambers |
| CN106136856A (en) * | 2016-09-20 | 2016-11-23 | 广东美的生活电器制造有限公司 | Coil panel and cooking machine |
| CN110907492A (en) * | 2019-11-28 | 2020-03-24 | 航天特种材料及工艺技术研究所 | A uniform temperature high temperature heating component and heating device for thermal conductivity test |
| CN110940696A (en) * | 2019-11-28 | 2020-03-31 | 航天特种材料及工艺技术研究所 | Temperature-equalizing heating device for heat conductivity test |
| CN110940696B (en) * | 2019-11-28 | 2022-04-26 | 航天特种材料及工艺技术研究所 | A uniform temperature heating device for thermal conductivity testing |
| CN110907492B (en) * | 2019-11-28 | 2022-05-03 | 航天特种材料及工艺技术研究所 | Temperature-uniforming high-temperature heating assembly and heating device for testing thermal conductivity |
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| Publication number | Publication date |
|---|---|
| CN102833900B (en) | 2015-11-11 |
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