CN205664442U - Electromagnetic oven and coil panel - Google Patents
Electromagnetic oven and coil panel Download PDFInfo
- Publication number
- CN205664442U CN205664442U CN201620532892.4U CN201620532892U CN205664442U CN 205664442 U CN205664442 U CN 205664442U CN 201620532892 U CN201620532892 U CN 201620532892U CN 205664442 U CN205664442 U CN 205664442U
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- China
- Prior art keywords
- coil
- described coil
- panel
- electromagnetic oven
- plate rail
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- 238000010438 heat treatment Methods 0.000 claims abstract description 46
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
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- Induction Heating Cooking Devices (AREA)
- General Induction Heating (AREA)
Abstract
The utility model provides an electromagnetic oven and a coil panel, the electromagnetic oven comprises a heating panel, a coil panel and a bottom shell, the coil panel is positioned in the bottom shell, and the heating panel is positioned at the top of the bottom shell; the coil panel comprises a coil panel frame (1) and a coil (2), wherein the coil (2) is wound on the coil panel frame (1), the coil (2) firstly descends and then ascends from the center of the coil panel to the outer side of the coil panel, and the height difference (h1) between the inner end (21) of the coil (2) and the lowest position (23) of the coil is smaller than the height difference (h2) between the outer end (22) of the coil (2) and the lowest position (23) of the coil. The part that is weak with magnetic field intensity is close to electromagnetism stove heating panel setting, and the electromagnetism stove heating panel setting is kept away from to the part that magnetic field intensity is strong to make each regional magnetic field intensity of coil tend to the equilibrium, when utilizing electromagnetism stove heating pan, the pan that makes to be heated is heated evenly, thereby has realized the homogeneity of electromagnetism stove heating.
Description
Technical field
This utility model relates to household electrical appliance technical field, particularly relates to a kind of electromagnetic oven and coil panel.
Background technology
Electromagnetic oven have heating quickly, the flames of anger, the advantage such as safe ready, increasingly by the favor of consumer with recognize
Can.
Electromagnetic oven mainly includes heating panel, coil panel and drain pan, and coil panel is positioned at drain pan, and heating panel is positioned at drain pan
Top.Wherein, coil panel includes coil and coil plate rail, and coil winding is on coil plate rail.During electromagnetic oven work, utilize high frequency
Electric current by coil, thus produce the magnetic field force of countless closing, the magnetic line of force in magnetic field can produce countless little eddy current by pan,
So that the pan heating being placed on heating panel.
The coil of prior art electromagnetic oven is typically designed to plane, the magnetic field along lines circle dish produced during electromagnetic oven work
Radially having dividing of the strongest and the weakest region, wherein, the outer peripheral areas magnetic field intensity away from coil panel center is the most weak, near coil panel
Enclosing regional magnetic field intensity in center to take second place, peripherally located region and the interior zone line magnetic field intensity enclosed between region are the strongest,
When therefore causing electromagnetic oven to work, zone line temperature is higher, inside encloses region and takes second place, and the temperature of outer peripheral areas is relatively low, thus sternly
Heavily have impact on the uniformity of heat distribution, cause each position bottom pan to be heated uneven.
Utility model content
In order to solve at least one problem mentioned in background technology, this utility model provides a kind of electromagnetic oven and coil
Dish, it is possible to realize the uniformity of electromagnetic oven heating.
To achieve these goals, this utility model provides a kind of electromagnetic oven, including heating panel, coil panel and drain pan,
Described coil panel is positioned at described drain pan, and described heating panel is positioned at described drain pan top；Described coil panel includes coil plate rail
And coil, described coil around being located on described coil plate rail, described coil from described coil panel center to outside described coil panel
After falling before on direction rise, the difference in height of inner and the described coil lowest part of described coil less than described coil outer end and
The difference in height of described coil lowest part.So, by making coil fall before in coil panel lateral direction along coil disk center
Rear rising, and the difference in height of the outer end that the difference in height of the inner of coil and coil lowest part is less than coil and coil lowest part, i.e.
Being set to the highest by the height of coil outer end, the inner height of coil takes second place so that the weak part of magnetic field intensity is near electromagnetic oven
Heating panel is arranged, strong the arranging partially away from electromagnetic oven heating panel, so that the magnetic field in each region of coil is strong of magnetic field intensity
Degree tends to equilibrium, when utilizing electromagnetic oven heating pan, makes heated pan be heated evenly, it is achieved thereby that electromagnetic oven heating
Uniformity.
Optionally, described coil coiling number of plies phase on along described coil panel center to described coil panel lateral direction
Deng.So, it is not necessary to change the coiling number of plies in each region of coil, only by coil from coil panel center to coil panel lateral direction
Highly being changed realizing the uniformity of electromagnetic oven heating, saved cost, being additionally, since coil thickness everywhere is all
The most equal, fully ensure that the intensity of coil, and made coil convenient when coiling.
Optionally, the longitudinal section shape of described coil is arc.The coiling that so can make coil is more uniform, improves
The aesthetic property of coil panel.
Optionally, the inner and described coil lowest part difference in height of described coil is 1mm～2.5mm；Described coil
Outer end is 3mm～5mm with the difference in height of described coil lowest part.The height change of coil is arranged within the range, is ensureing
While the magnetic line of force effectively cuts pan, the uniformity making magnetic field intensity is more preferable, further increases heats.
Optionally, the lower section of described coil plate rail is provided with magnetic stripe, and the shape of the shape of described magnetic stripe and described coil is mutually
Join.So carrying out magnetic conduction by magnetic stripe, the magnetic line of force making coil electricity produce concentrates on above coil panel, prevents outside the magnetic line of force
Let out, improve the efficiency of heating surface of electromagnetic oven.The shape of magnetic stripe is mated with coil shape simultaneously, improve coil panel integrally-built
Compactedness, makes coil panel be more easy to assembling.
Optionally, the outer end of described magnetic stripe has the flange extended straight up.So make the flange side to the magnetic line of force
To guiding, it is to avoid the magnetic line of force leaks, improve the efficiency of heating surface in coil periphery region further.
Optionally, the lower surface of described coil plate rail is provided with the groove that can house described magnetic stripe, the limit of described coil plate rail
Along being provided with the screens inserted for described flange.So when assembling, can first magnetic stripe be installed in a groove, and by screens to magnetic
The outer end of bar is fixed, easy to assembly and stable.
Optionally, the center of described coil plate rail is provided with cannelure, and described coil is positioned at described ring slot outside, described ring
It is provided with magnet ring in shape groove.Enclose the efficiency of heating surface in region in so can further improve coil, and make the space within electromagnetic oven obtain
Effectively to utilize, meanwhile, when installing coil, coil can be carried out spacing by the lateral wall of cannelure, so that the installation of coil is more
Add quick and accurate.
Optionally, the upper surface of described coil plate rail is provided with multiple annular block reinforcement, and multiple described annular block reinforcements are arranged concentrically,
So that surrounding the wire casing for coil described in winding between adjacent annular block reinforcement, the degree of depth of described wire casing along with described wire casing with
The difference of described coil plate rail centre distance and change.So it is easy to coil install, improves the stability of whole coil disk structure.
On the other hand, this utility model provides a kind of coil panel, and including coil plate rail and coil, described coil is around being located at
Stating on coil plate rail, described coil rises after falling before described coil panel lateral direction from described coil panel center, described
The difference in height of the inner and described coil lowest part of coil is less than the outer end of described coil and the difference in height of described coil lowest part.
So, by making coil rise after falling before in coil panel lateral direction along coil disk center, and the inner of coil and line
The difference in height of circle lowest part is less than the outer end of coil and the difference in height of coil lowest part, i.e. be set to by the height of coil outer end
The highest, the inner height of coil takes second place so that the weak part of magnetic field intensity is arranged near electromagnetic oven heating panel, and magnetic field intensity is strong
Partially away from electromagnetic oven heating panel arrange so that the magnetic field intensity in each region of coil tend to equilibrium, utilizing electromagnetic oven
During heating pan, heated pan is made to be heated evenly, it is achieved thereby that the uniformity of electromagnetic oven heating.
Structure of the present utility model and its other purposes and beneficial effect will by combine accompanying drawing and to the most real
Execute the description of example and become apparent from understandable.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is
Embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
The structure sectional view of the electromagnetic oven coil dish that Fig. 1 provides for this utility model embodiment one；
The structural blast figure of the electromagnetic oven coil dish that Fig. 2 provides for this utility model embodiment one.
Description of reference numerals:
1 coil plate rail；2 coils；21 is inner；22 outer ends；23 coil lowest parts；31 magnetic stripes；311 is convex
Edge；32 magnet rings；11 annular block reinforcements；12 grooves；13 cannelures；14 screens；H1, h2 difference in height.
Detailed description of the invention
Embodiment one
The structure sectional view of the electromagnetic oven coil dish that Fig. 1 provides for this utility model embodiment one.Fig. 2 is that this practicality is new
The structural blast figure of the electromagnetic oven coil dish that type embodiment one provides, referring to the drawings shown in 1 and accompanying drawing 2, the present embodiment provides
A kind of electromagnetic oven, including heating panel, coil panel and drain pan, coil panel is positioned at drain pan, and heating panel is positioned at drain pan top.Its
In, coil panel includes coil plate rail 1 and coil 2, and coil 2 winding is on coil plate rail 1.Utilize electromagnetic oven that pan is heated
Time, pan is placed on heating panel, coil electricity produces the magnetic field force of countless closings, and the magnetic force line cutting pan in magnetic field produces
Raw countless little eddy current, so that pan heating.
In the present embodiment, coil 2 rises after falling before coil panel lateral direction from coil panel center, coil 2 interior
End 21 is less than the outer end 22 of coil 2 and difference in height h2 of coil lowest part 23 with difference in height h1 of coil lowest part 23.Need
Bright, the inner 21 of coil refers to the side at close coil plate rail 1 center of coil 2.The outer end 22 of coil refers to line
The side of close coil plate rail 1 outer edge of circle 2.
When implementing, coil 2 can be bonded in the upper surface of coil plate rail 1 by epoxide-resin glue or silicone adhesive.Certainly,
Can also arrange multiple annular block reinforcement 11 at the upper surface of coil plate rail 1, multiple annular block reinforcements 11 are arranged concentrically, so that adjacent
Enclosing, between annular block reinforcement 11, the wire casing being set as installing coil 2, the coiling of coil is in the wire casing being located at correspondence, so that line
More quickly and precisely, wherein, the degree of depth of wire casing becomes along with coil and the different of coil plate rail centre distance in the assembling of circle 2
Change.Such as, the wire casing degree of depth of the position, outer end 22 of coil is maximum, and the wire casing degree of depth of coil lowest part 23 correspondence is minimum, logical
The height crossing the degree of depth making wire casing region each with coil matches, and improves the stability of coil.Certainly, coil 2 can also pass through
Other modes are arranged on above coil plate rail 1, and this utility model is not limited thereto.
The electromagnetic oven that the present embodiment provides, by being set to the coil 2 of electromagnetic oven from coil panel center to coil panel
Side rises after upwards falling before, and difference in height h1 of the inner 21 of coil 2 and coil lowest part 23 is less than the outer end 22 of coil 2
Difference in height h2 with coil lowest part 23, i.e. the height of coil outer end 22 is set to the highest, the height of coil the inner 21
It so that the weak part of magnetic field intensity is arranged near electromagnetic oven heating panel, magnetic field intensity strong partially away from electromagnetic oven heating
Panel is arranged, so that the magnetic field intensity in each region of coil tends to equilibrium, when utilizing electromagnetic oven heating pan, makes heated
Pan is heated evenly, it is achieved thereby that the uniformity of electromagnetic oven heating.
When implementing, referring to the drawings shown in 1, the longitudinal section shape of coil 2 can be set to arc.It is appreciated that
For, coil 2 entirety is recessed arcuate structure, and the inner height of this arcuate structure is less than the outer end height of this arcuate structure.
So while improving electromagnetic oven heating uniformity, the coiling making coil 2 is more uniform, and improves the attractive in appearance of coil panel
Property.Certainly, in other embodiments, the cross sectional shape between the inner 21 or outer end 22 to the coil lowest part 23 of coil 2 also may be used
With the most linearly type.
In the present embodiment, the coil 2 coiling number of plies on along coil disk center to coil panel lateral direction is equal.The most just
It is to say, it is not necessary to change the coiling number of plies in each region of coil 2, only by coil 2 from coil panel center to coil panel lateral direction
Highly it is changed realizing the uniformity of electromagnetic oven heating, saves cost.It is additionally, since coil 2 thickness everywhere all
It is the most equal, has fully ensured that the height of coil 2, and made coil 2 convenient when coiling.
More preferred, the inner 21 of coil 2 and difference in height h1 of coil lowest part 23 may be provided at 1mm to 2.5mm it
Between.The outer end 22 of coil 2 and difference in height h2 of coil lowest part 23 may be provided between 3mm to 5mm.In this altitude range,
Can ensure that the magnetic line of force that coil 2 energising produces can effectively cut pan, it is ensured that the magnetic line of force cutting area to pan, make simultaneously
The uniformity of magnetic field intensity is more preferable, further improves heats.
On the basis of above-described embodiment, further, the lower section of coil plate rail 1 is provided with magnetic stripe 31, the shape of magnetic stripe 31
With the mating shapes of coil 2, for example, referring to shown in accompanying drawing 2, magnetic stripe 31 is recessed arcuate structure.Led by magnetic stripe 31
Magnetic, the magnetic line of force making coil 2 energising produce concentrates on above coil panel, prevents the magnetic line of force from leaking, and that improves electromagnetic oven adds thermal effect
Rate.Due to the form fit of magnetic stripe 31 with coil 2, thus improve the integrally-built compactedness of coil panel, make coil panel be more easy to
Assembling.
Magnetic stripe 31 can be multiple, and multiple magnetic stripes 31 can be arranged with the center of coil plate rail 1 radially for the center of circle.Tool
When body realizes, the lower surface at coil plate rail 1 is provided for the groove 12 of accommodating magnetic stripe 31.Groove 12 is multiple, and with multiple
Magnetic stripe 31 one_to_one corresponding.That is, the corresponding groove 12 of each magnetic stripe 31.The concrete shape of groove 12 can concrete with magnetic stripe 31
Shape is changed.When assembling, directly magnetic stripe 31 can be fixed in groove 12, install very convenient and quick.Separately
Outward, the cell body degree of depth of groove 12 can be equal to or be more than the thickness of magnetic stripe 31, the thickness of magnetic stripe 31 refers to magnetic stripe 31
Size on vertical.After being so fixed in groove 12 by magnetic stripe 31, the lower surface of magnetic stripe 31 will not expose outside groove 12
Portion, thus the connection of coil plate rail 1 and electromagnetic oven bottom shell can be facilitated.
The shape of coil plate rail 1 could be arranged to plane, it is also possible to the mating shapes of coil 2.At the present embodiment
In, coil plate rail 1 is recessed arcuate structure, and its outer rim height is more than inner edge height.This utility model shape to coil plate rail 1
Shape is not construed as limiting.
In order to avoid the magnetic line of force leaks, improving the efficiency of heating surface of electromagnetic oven further, the outer end of magnetic stripe 31 also has vertically
Upwardly extending flange 311, when implementing, the edge of coil plate rail 1 is provided with the screens 14 inserted for flange 311.That is, flange
The top of 311 is fixed in the screens 14 at coil plate rail 1 edge, so that magnetic stripe 31 assembles more stable, flange 311 can be right
The direction of the magnetic line of force guides, it is to avoid the magnetic line of force leaks, and improves the efficiency of heating surface in coil periphery region further.
Further, the center of coil plate rail 1 is additionally provided with cannelure 13, and coil 2 is positioned at the outside of cannelure 13, cannelure
Magnet ring 32 is installed in 13, by arranging magnet ring 32 in the middle part of coil plate rail 1, thus improves corresponding region, coil plate rail center
The efficiency of heating surface, improves the heating uniformity of electromagnetic oven further, is arranged so that the space within electromagnetic oven is able to effective profit
With.Meanwhile, when installing coil 2, coil 2 can be carried out spacing by the lateral wall of cannelure 13, so that the installation of coil 2 is more accelerated
Speed is with accurate.
Embodiment two
On the basis of above-described embodiment, this utility model also provides for a kind of coil panel.This coil panel includes coil plate rail 1
With coil 2, coil 2 winding is on coil plate rail 1.
Coil 2 rises after falling before coil panel lateral direction from coil panel center, and the inner 21 of coil 2 and coil are
Difference in height h1 of lower 23 is less than the outer end 22 of coil 2 and difference in height h2 of coil lowest part 23.
Other technologies feature is identical with embodiment one, and can reach identical technique effect, and this is no longer going to repeat them.
The coil panel that the present embodiment provides, by making coil fall before in coil panel lateral direction along coil disk center
Rear rising, and the difference in height of the outer end that the difference in height of the inner of coil and coil lowest part is less than coil and coil lowest part, i.e.
Being set to the highest by the height of coil outer end, the inner height of coil takes second place so that the weak part of magnetic field intensity is near electromagnetic oven
Heating panel is arranged, strong the arranging partially away from electromagnetic oven heating panel, so that the magnetic field in each region of coil is strong of magnetic field intensity
Degree tends to equilibrium, when utilizing electromagnetic oven heating pan, makes heated pan be heated evenly, it is achieved thereby that electromagnetic oven heating
Uniformity.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (10)
1. an electromagnetic oven, including heating panel, coil panel and drain pan, described coil panel is positioned at described drain pan, described heating
Panel is positioned at described drain pan top；Described coil panel includes coil plate rail (1) and coil (2), and described coil (2) is described around being located at
On coil plate rail (1), described coil (2) rises after falling before described coil panel lateral direction from described coil panel center,
It is characterized in that, the inner (21) of described coil (2) is less than described coil with the difference in height (h1) of described coil lowest part (23)
(2) outer end (22) and the difference in height (h2) of described coil lowest part (23).
Electromagnetic oven the most according to claim 1, it is characterised in that described coil (2) is along described coil panel center to institute
State the coiling number of plies in coil panel lateral direction equal.
Electromagnetic oven the most according to claim 1, it is characterised in that the longitudinal section shape of described coil (2) is arc.
Electromagnetic oven the most according to claim 1, it is characterised in that the inner (21) of described coil (2) and described coil are
The difference in height (h1) of lower (23) is 1mm～2.5mm；The outer end (22) of described coil (2) and described coil lowest part (23)
Difference in height (h2) is 3mm～5mm.
5. according to the electromagnetic oven described in any one of Claims 1-4, it is characterised in that the lower section of described coil plate rail (1) is provided with
The mating shapes of magnetic stripe (31), the shape of described magnetic stripe (31) and described coil (2).
Electromagnetic oven the most according to claim 5, it is characterised in that the outer end of described magnetic stripe (31) has and extends straight up
Flange (311).
Electromagnetic oven the most according to claim 6, it is characterised in that the lower surface of described coil plate rail (1) is provided with and can house
The groove (12) of described magnetic stripe (31), the edge of described coil plate rail (1) is provided with the screens inserted for described flange (311)
(14)。
Electromagnetic oven the most according to claim 5, it is characterised in that the center of described coil plate rail (1) is provided with cannelure
(13), described coil (2) is positioned at described cannelure (13) outside, is provided with magnet ring (32) in described cannelure (13).
9. according to the electromagnetic oven described in any one of Claims 1-4, it is characterised in that the upper surface of described coil plate rail (1) sets
Multiple annular block reinforcement (11), multiple described annulars block reinforcement (11) is had to be arranged concentrically, so that enclosing between adjacent annular block reinforcement (11)
Becoming the wire casing for coil (2) described in winding, the degree of depth of described wire casing is along with described wire casing and described coil plate rail (1) centre-to-centre spacing
From difference and change.
10. a coil panel, including coil plate rail (1) and coil (2), described coil (2) is around being located at described coil plate rail (1)
On, described coil (2) rises after falling before described coil panel lateral direction from described coil panel center, it is characterised in that
The difference in height (h1) of the inner (21) of described coil (2) and described coil lowest part (23) is less than the outer end of described coil (2)
(22) with the difference in height (h2) of described coil lowest part (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532892.4U CN205664442U (en) | 2016-06-01 | 2016-06-01 | Electromagnetic oven and coil panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620532892.4U CN205664442U (en) | 2016-06-01 | 2016-06-01 | Electromagnetic oven and coil panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205664442U true CN205664442U (en) | 2016-10-26 |
Family
ID=57157804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620532892.4U Expired - Fee Related CN205664442U (en) | 2016-06-01 | 2016-06-01 | Electromagnetic oven and coil panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205664442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012360A (en) * | 2016-10-31 | 2018-05-08 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel and electromagnetic cooking appliance |
-
2016
- 2016-06-01 CN CN201620532892.4U patent/CN205664442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108012360A (en) * | 2016-10-31 | 2018-05-08 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel and electromagnetic cooking appliance |
| CN108012360B (en) * | 2016-10-31 | 2024-05-28 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel and electromagnetic cooking utensil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |