CN204494531U - A kind of Low emissivity electromagnetic heater - Google Patents

A kind of Low emissivity electromagnetic heater Download PDF

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Publication number
CN204494531U
CN204494531U CN201520095945.6U CN201520095945U CN204494531U CN 204494531 U CN204494531 U CN 204494531U CN 201520095945 U CN201520095945 U CN 201520095945U CN 204494531 U CN204494531 U CN 204494531U
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electromagnetic
fan
wire coil
low emissivity
sheet
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CN201520095945.6U
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朱泽春
刘海亮
崔卫民
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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 Low emissivity electromagnetic heater, comprise housing, be positioned at the electromagnetic wire coil of housing, fan, described Low emissivity electromagnetic heater is also provided with manipulation portion, the center of fan and the distance in manipulation portion are less than the center of electromagnetic wire coil and the distance in manipulation portion, connecting electromagnetic wire coil center and the straight line of fan center and the angle in manipulation portion is 60 ~ 90 degree, and the supply voltage of described fan is 5 to 32 volts.So, electromagnetic wire coil on space length away from manipulation portion, electromagnetic heater work time, its electromagnetic radiation to during user's body through the space attenuation of larger distance, radiation value reduces greatly.Further, its permeability of the magnet ring of the drive motors in fan is comparatively large, and a small amount of magnetic field of revealing when electromagnetic wire coil can be worked absorbs, and is enclosed in magnet ring, greatly reduces the magnetic field exposure of electromagnetic wire coil, and then greatly reduce electromagnetic radiation.

Description

A kind of Low emissivity electromagnetic heater
[technical field]
The utility model relates to a kind of Electromagnetic Heating field, particularly relates to a kind of Low emissivity electromagnetic heater of Low emissivity.
[background technology]
Because Electromagnetic Heating has efficient characteristic, by general use in field of household appliances.
But, if the Electromagnetic Heating field of high frequency occurs to leak to harm comparatively greatly, although country has formulated the standard of electromagnetic oven magnetic dispersion at present, relatively improve the security performance of electromagnetic oven.But thoroughly do not solve the problem of electromagnetic leakage in the market at all, cause the application of electromagnetic heating technique to receive larger limitation.
[utility model content]
In view of this, the utility model provides a kind of electromagnetic radiation low, safer electromagnetic heater.
A kind of Low emissivity electromagnetic heater, comprise housing, be positioned at the electromagnetic wire coil of housing, fan, described Low emissivity electromagnetic heater is also provided with manipulation portion, the center of fan and the distance in manipulation portion are less than the center of electromagnetic wire coil and the distance in manipulation portion, connecting electromagnetic wire coil center and the straight line of fan center and the angle in manipulation portion is 60 ~ 90 degree, and the supply voltage of described fan is 5 to 32 volts.
Described fan center is positioned at electromagnetic wire coil and vertically uses on the axis in manipulation portion.
Described fan comprises drive motors and flabellum, and drive motors is positioned at electromagnetic wire coil and vertically uses on the axis in manipulation portion.
Drive motors and the electromagnetic wire coil of described fan are positioned in same level.
Described fan is positioned on the axis of housing and electromagnetic wire coil coincidence.
Be provided with radiation proof sheet in described housing, radiation proof sheet is arranged around the periphery of electromagnetic wire coil.
Described radiation proof sheet offers the opening of provided with fan, and in housing, corresponding opening is provided with the pillar of fan attachment.
Described housing comprises upper casing and lower casing, and upper casing comprises ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet, and lower casing comprises ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet, and ELECTROMAGNETIC REFLECTION sheet is positioned at the inner side of electromagnetic absorption sheet.
The electromagnetic absorption sheet of described lower casing comprises the first electromagnetic absorption sheet being positioned at diapire, the second electromagnetic absorption sheet arranged around electromagnetic wire coil periphery, and the second electromagnetic absorption sheet offers the opening of provided with fan.
Described lower casing also comprises plastic casing, and electromagnetic absorption sheet is fixedly mounted on the inner surface of plastic casing, and upper casing comprises panel, and electromagnetic absorption sheet is arranged on the inner surface of panel.
The beneficial effects of the utility model:
A kind of Low emissivity electromagnetic heater of the utility model, comprise housing, be positioned at the electromagnetic wire coil of housing, fan, described Low emissivity electromagnetic heater is also provided with manipulation portion, the center of fan and the distance in manipulation portion are less than the center of electromagnetic wire coil and the distance in manipulation portion, and connecting electromagnetic wire coil center and the straight line of fan center and the angle in manipulation portion is 60 ~ 90 degree.So, electromagnetic wire coil on space length away from manipulation portion, electromagnetic heater work time, its electromagnetic radiation to during user's body through the space attenuation of larger distance, radiation value reduces greatly.Further, its permeability of the magnet ring of the drive motors in fan is comparatively large, and a small amount of magnetic field of revealing when electromagnetic wire coil can be worked absorbs, and is enclosed in magnet ring, greatly reduces the magnetic field exposure of electromagnetic wire coil, and then greatly reduce electromagnetic radiation.It is 60 ~ 90 degree that the utility model connects electromagnetic wire coil center and the straight line of fan center and the angle in manipulation portion, so, when user is by manipulation portion operation electromagnetic heater, the health of user is positioned at this region, the magnetic field of revealing can absorb by the magnet ring of fan driving motor, and then greatly reduce its injury for user's body, more safe and reliable.
Further, described fan center is positioned at electromagnetic wire coil and vertically uses on the axis in manipulation portion.So, fan is arranged on the shortest axis of distance between electromagnetic wire coil and user, greatly reduces the electromagnetic wave of electromagnetic wire coil to user's radiation, more safe and reliable.
As a same reason, the drive motors of fan described in the utility model is positioned on the axis of housing and electromagnetic wire coil coincidence.
In addition, the drive motors of fan described in the utility model and electromagnetic wire coil are positioned in same level.Described to be positioned at the electromagnetic radiation that electromagnetic wire coil same level reveals maximum, arrange drive motors in this position, best for electromagnetic assimilation effect.
Further, be provided with radiation proof sheet in described housing, radiation proof sheet is arranged around the periphery of electromagnetic wire coil.Arrange the leakage magnetic field of radiation proof sheet to electromagnetic wire coil by periphery absorb and shield, reduce radiation further.
Further, described radiation proof sheet offers the opening of provided with fan, and in housing, corresponding opening is provided with the pillar of fan attachment.Fan is fixed in this opening, achieves the combination radiation-proof effect of radiation proof sheet and fan, and decreases the use amount of radiation proof sheet, reduce cost.
Housing described in the utility model comprises upper casing and lower casing, and upper casing comprises ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet, and lower casing comprises ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet, and ELECTROMAGNETIC REFLECTION sheet is positioned at the inner side of electromagnetic absorption sheet.The utility model, by arranging ELECTROMAGNETIC REFLECTION sheet by the electromagnetic wave shielding that leaked by electromagnetic wire coil in electromagnetic heater, makes it by reflection loss, reduces the risk that it is revealed; A small amount of electromagnetic wave of not decaying or penetrate ELECTROMAGNETIC REFLECTION sheet again by electromagnetic absorption sheet Assimilation and conductivity to the pan on electromagnetic heater, add its efficiency, prevent low-frequency electromagnetic wave from revealing simultaneously.And combine the Magnetic Shielding Effectiveness of fan, greatly reduce the electromagnetic radiation damage of electromagnetic heater, more safe and reliable.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the birds-eye perspective of a kind of Low emissivity electromagnetic heater first of the utility model embodiment;
Fig. 2 is the birds-eye perspective of a kind of Low emissivity electromagnetic heater second of the utility model embodiment;
Fig. 3 is the radiation proof chip architecture schematic diagram of Fig. 2;
Fig. 4 is the decomposing schematic representation of a kind of Low emissivity electromagnetic heater the 3rd of the utility model embodiment.
[detailed description of the invention]
Embodiment one:
Refer to the first embodiment of a kind of Low emissivity electromagnetic heater of the utility model shown in Fig. 1, the present embodiment sets forth the beneficial effects of the utility model for electromagnetic oven.Described a kind of Low emissivity electromagnetic heater, comprises housing 11, is positioned at the electromagnetic wire coil 12 of housing 11, fan 13.Described Low emissivity electromagnetic heater is also provided with manipulation portion 14, the center of fan 13 and the distance in manipulation portion 14 are less than the center of electromagnetic wire coil 12 and the distance in manipulation portion 14, and connecting electromagnetic wire coil 12 center and the straight line at fan 13 center and the angle in manipulation portion 14 is 60 ~ 90 degree.So, when user operates electromagnetic heater described in the utility model by manipulation portion 14, the health of user is positioned at this region, and the magnetic field of revealing can absorb by the magnet ring of fan 13 drive motors, and then greatly reduce its injury for user's body, more safe and reliable.
In the present embodiment, described fan 13 is centrally located at electromagnetic wire coil 12 vertically with on the axis in manipulation portion 14.Fan 13 is positioned on this axis, on the distance namely between electromagnetic wire coil 12 and user is the shortest, can more effective electromagnetic wave absorption, and reduce radiation injury.Further, described fan is positioned on the axis of housing 111 and electromagnetic wire coil 12 coincidence.
In the present embodiment, described fan 13 comprises drive motors 131 and flabellum 132, and drive motors 131 is positioned on the axis in the vertical manipulation portion 14 of electromagnetic wire coil 12.Magnet ring in drive motors is the Main Function element of electromagnetic wave absorption.Described drive motors 131 is direct current generator, and the supply voltage of this direct current generator is 5 to 32 volts, considers the matching of cost and radiating effect, and the present embodiment selects 5 volts.
In addition, in the present embodiment, drive motors and the electromagnetic wire coil 12 of described fan 13 are positioned in same level.In the plane of electromagnetic wire coil 12, electromagnetic field intensity is maximum, fan 13 is arranged the logical plane being positioned at electromagnetic wire coil, the best results of electromagnetic wave absorption.
Low emissivity electromagnetic heater described in the utility model adopts the fan 13 of its inside to absorb the electromagnetic wave of electromagnetic wire coil 12 leakage, greatly improve its security performance, and without the need to increasing cost, market prospects is huge.
Certainly, electric fan described in the utility model also can be metal blade, increases the effect of fan electromagnetic wave absorption further.
Be appreciated that a kind of Low emissivity electromagnetic heater described in the utility model also can be the machine for kitchen use of the electric cooker of Electromagnetic Heating or the soy bean milk making machine of Electromagnetic Heating or other Electromagnetic Heating such as pressure cooker, electric food warmer.This nonessential change is also in the utility model protection domain.
In addition, the electromagnetic wave that the utility model absorbs by absorbing electromagnetic wire coil for the adjustment of position of fan, the electromagnetic wave that also avoid leakage, for the impact in manipulation portion, avoids interference, and improves himself safety and handling.
Embodiment two:
Refer to the second embodiment of a kind of Low emissivity electromagnetic heater of the utility model shown in Fig. 2, Fig. 3, the difference of itself and the first embodiment is: be provided with radiation proof sheet 21 in described housing 11, radiation proof sheet 21 is arranged around the periphery of electromagnetic wire coil 12.
Described radiation proof sheet 21 offers the opening of provided with fan 13, and in housing 11, corresponding opening is provided with the pillar of fan attachment.
Radiation proof sheet 21 described in the present embodiment is the thin slice of metal material.Be provided with the draw-in groove of fixing radiation proof sheet in housing 11, radiation proof sheet 21 snaps in draw-in groove internal fixtion.
The present embodiment adds radiation proof sheet 21 on the basis of embodiment one, forms the space surrounding electromagnetic wire coil 12, avoid electromagnetic leakage by fan 13 and radiation proof sheet 21, more safe and reliable.
Be appreciated that described radiation proof sheet 21 also can be fixed in housing 11 by screw or other structure.
Can connect, described radiation proof sheet 21 also can be multiple layer metal or other magnetic shielding material.This nonessential change is also in the utility model protection domain.
In present embodiment, other structure and beneficial effect are all consistent with embodiment one, repeat no more here.
Embodiment three:
Refer to the 3rd embodiment of a kind of Low emissivity electromagnetic heater of the utility model shown in Fig. 4, the difference of itself and the first embodiment is: described housing 11 comprises upper casing 111 and lower casing 112, upper casing comprises ELECTROMAGNETIC REFLECTION sheet 113 and electromagnetic absorption sheet 114, lower casing 112 comprises ELECTROMAGNETIC REFLECTION sheet 115 and electromagnetic absorption sheet 116, and ELECTROMAGNETIC REFLECTION sheet (113,115) is positioned at the inner side of electromagnetic absorption sheet (114,116).So, form double-deck electromagnetic armouring structure, effectiveness is better.Described lower casing 112 also comprises plastic casing, and electromagnetic absorption sheet 116 is fixedly mounted on the inner surface of plastic casing, and upper casing 111 comprises panel, and electromagnetic absorption sheet 113 is arranged on the inner surface of panel.So, ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet 1 are arranged on the inside of plastic casing, reduce the risk that housing is charged, more safe and reliable.
Further, electromagnetic attenuation gap is provided with between described ELECTROMAGNETIC REFLECTION sheet (113,115) and electromagnetic absorption sheet (114,116).Described electromagnetic attenuation gap is the fixed interval (FI) of natural assemblage gap between ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet or setting, and be the volume ensureing electromagnetic heater, electromagnetic attenuation gap described in the utility model is less than 10mm.This electromagnetic attenuation gap makes the electromagnetic wave of partial penetration ELECTROMAGNETIC REFLECTION sheet decay further, and then ensures the effect of magnetic screen.Certainly, the utility model also can adopt ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet to be the thin slice be combined with each other, and such mounting structure is simple, is convenient to commercialization.
In addition, the ELECTROMAGNETIC REFLECTION sheet described in present embodiment is that copper, aluminium or albronze are made.Can certainly be that other material with good conductive characteristic is made.Described electromagnetic absorption sheet is the thin slice that iron, graphite, ferrite or stainless steel are made.Certainly, also can be that other material with good permeance is made.This nonessential material is equivalent replaces change also in the utility model protection domain.Further, the thickness of ELECTROMAGNETIC REFLECTION sheet described in the utility model (113,115) is less than 2mm, if this thickness is greater than 2mm, electromagnetic heater quality and cost can be caused greatly to increase, affect the use of electromagnetic heater.And ELECTROMAGNETIC REFLECTION sheet or electromagnetic absorption sheet are arranged in the alternating magnetic field of electromagnetic heater, produce Kelvin effect, therefore, the ELECTROMAGNETIC REFLECTION sheet (113,115) that thickness is greater than 2mm does not increase its effect for magnetic field shielding.Given this, namely the utility model realizes the shielding action in magnetic field within the thickness of ELECTROMAGNETIC REFLECTION sheet and/or electromagnetic absorption sheet is limited to 2mm, realizes least cost again and Min. affects structure and the use of electromagnetic heater.
Operationally, the magnetic field of its alternation, because of harmonic wave effect, creates the electromagnetic wave of 10Hz-400KHz to electromagnetic heater, and the utility model has carried out comprehensive isolation processing for the electromagnetic wave of above-mentioned judgement.First, ELECTROMAGNETIC REFLECTION sheet of the present utility model (113,115), by being greater than the frequency electromagnetic waves shielding of 100KHz in electromagnetic heater, making it by reflection loss, reduces the risk that it is revealed.Secondly the electromagnetic wave revealed by ELECTROMAGNETIC REFLECTION sheet for low-frequency electromagnetic wave or the part lower than 100KHz is absorbed (114,116) by electromagnetic absorption sheet and conducts to pan on electromagnetic heater, adds its efficiency, prevents electromagnetic wave leakage simultaneously.Through actual verification, adopt electromagnetic heater electromagnetic wave leakage of the present utility model well below traditional electromagnetic heater, by GB testing result electromagnetic radiation of the present utility model value lower than traditional electromagnetic heater electromagnetic radiation value 1/5.
In present embodiment, the ELECTROMAGNETIC REFLECTION sheet of described upper casing 111, lower casing 112 and electromagnetic absorption sheet are in edge's overlap.Certainly, also can take the mode that ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet are overlapping, the structure of its overlap is not limited to the scheme of the present embodiment, can ensure that the ELECTROMAGNETIC REFLECTION sheet at gap place is also positioned at inside electromagnetic absorption sheet.
Be appreciated that the utility model also can take the structure of multilayer ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet compound, this nonessential change is also in the utility model protection domain.
Certainly, ELECTROMAGNETIC REFLECTION sheet described in the utility model and/or electromagnetic absorption sheet also can be film or coating.
In the present embodiment, the electromagnetic absorption sheet 116 of described lower casing 112 comprises the first electromagnetic absorption sheet being positioned at diapire, the second electromagnetic absorption sheet arranged around electromagnetic wire coil periphery, and the second electromagnetic absorption sheet offers the opening of provided with fan.Certainly, the ELECTROMAGNETIC REFLECTION sheet 115 of lower casing also can arrange at sidewall and arrange ELECTROMAGNETIC REFLECTION sheet around electromagnetic wire coil periphery.
The utility model adopts double-deck shielding construction, improves Magnetic Shielding Effectiveness further, and utilizes existing radiator fan to reduce the effect of magnetic screen simultaneously, and reduce cost, market efficiency is better.
In present embodiment, other structure and beneficial effect are all consistent with the first embodiment, repeat no more here.

Claims (10)

1. a Low emissivity electromagnetic heater, comprise housing, be positioned at the electromagnetic wire coil of housing, fan, it is characterized in that: described Low emissivity electromagnetic heater is also provided with manipulation portion, the center of fan and the distance in manipulation portion are less than the center of electromagnetic wire coil and the distance in manipulation portion, connecting electromagnetic wire coil center and the straight line of fan center and the angle in manipulation portion is 60 ~ 90 degree, and the supply voltage of described fan is 5 to 32 volts.
2. a kind of Low emissivity electromagnetic heater as claimed in claim 1, is characterized in that, described fan center is positioned on the axis in the vertical manipulation portion of electromagnetic wire coil.
3. a kind of Low emissivity electromagnetic heater as claimed in claim 1 or 2, it is characterized in that, described fan comprises drive motors and flabellum, and drive motors is positioned on the axis in the vertical manipulation portion of electromagnetic wire coil.
4. a kind of Low emissivity electromagnetic heater as claimed in claim 3, is characterized in that, drive motors and the electromagnetic wire coil of described fan are positioned in same level.
5. a kind of Low emissivity electromagnetic heater as described in claim 1 or 2 or 4 any one, is characterized in that, described fan is positioned on the axis of housing and electromagnetic wire coil coincidence.
6. a kind of Low emissivity electromagnetic heater as described in claim 1 or 2 or 4 any one, it is characterized in that, be provided with radiation proof sheet in described housing, radiation proof sheet is arranged around the periphery of electromagnetic wire coil.
7. a kind of Low emissivity electromagnetic heater as claimed in claim 6, it is characterized in that, described radiation proof sheet offers the opening of provided with fan, and in housing, corresponding opening is provided with the pillar of fan attachment.
8. a kind of Low emissivity electromagnetic heater as described in claim 1 or 2 or 4 any one, it is characterized in that, described housing comprises upper casing and lower casing, upper casing comprises ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet, lower casing comprises ELECTROMAGNETIC REFLECTION sheet and electromagnetic absorption sheet, and ELECTROMAGNETIC REFLECTION sheet is positioned at the inner side of electromagnetic absorption sheet.
9. a kind of Low emissivity electromagnetic heater as claimed in claim 8, it is characterized in that, the electromagnetic absorption sheet of described lower casing comprises the first electromagnetic absorption sheet being positioned at diapire, the second electromagnetic absorption sheet arranged around electromagnetic wire coil periphery, and the second electromagnetic absorption sheet offers the opening of provided with fan.
10. a kind of Low emissivity electromagnetic heater as claimed in claim 8, it is characterized in that, described lower casing also comprises plastic casing, and electromagnetic absorption sheet is fixedly mounted on the inner surface of plastic casing, and upper casing comprises panel, and electromagnetic absorption sheet is arranged on the inner surface of panel.
CN201520095945.6U 2015-02-11 2015-02-11 A kind of Low emissivity electromagnetic heater Active CN204494531U (en)

Priority Applications (1)

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CN201520095945.6U CN204494531U (en) 2015-02-11 2015-02-11 A kind of Low emissivity electromagnetic heater

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Application Number Priority Date Filing Date Title
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CN204494531U true CN204494531U (en) 2015-07-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108471649A (en) * 2018-03-28 2018-08-31 九阳股份有限公司 The electromagnetic cooking appliance of Low emissivity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108471649A (en) * 2018-03-28 2018-08-31 九阳股份有限公司 The electromagnetic cooking appliance of Low emissivity
CN108471649B (en) * 2018-03-28 2021-12-03 九阳股份有限公司 Low-radiation electromagnetic cooking appliance

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