CN204404273U - Low-radiation induction cooker - Google Patents
Low-radiation induction cooker Download PDFInfo
- Publication number
- CN204404273U CN204404273U CN201420747952.5U CN201420747952U CN204404273U CN 204404273 U CN204404273 U CN 204404273U CN 201420747952 U CN201420747952 U CN 201420747952U CN 204404273 U CN204404273 U CN 204404273U
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- radiation
- proof board
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- 230000006698 induction Effects 0.000 title claims abstract description 18
- 230000005855 radiation Effects 0.000 claims abstract description 110
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000010445 mica Substances 0.000 description 6
- 229910052618 mica group Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000005670 electromagnetic radiation Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Induction Heating Cooking Devices (AREA)
Abstract
The utility model relates to a kind of Low-radiation induction cooker, comprising: the shell at least with panel and drain pan, inside establishes coil and control circuit; To be located in control circuit and to work in the first components and parts of high frequency voltage; Also comprise: be located at the first radiation proof board between described drain pan and described coil, upper surface holds the upright projection of described coil and described first components and parts; Around the second radiation proof board of described coil and described first components and parts, there is gap and be located at the 3rd radiation proof board between described panel and described coil at least part of and described drain pan inwall of described second radiation proof board, described 3rd radiant panel is provided with the opening of the upright projection can holding described coil.The utility model, under the radiation-resistant prerequisite of consideration, also take into account cost, weight, the efficiency of heating surface, makes electromagnetic oven under the prerequisite that can reach fabulous radiation-resistant effect, also obtain the higher efficiency of heating surface, lower cost and lighter weight.
Description
Technical field
The utility model relates to household appliance technical field, particularly relates to a kind of Low-radiation induction cooker.
Background technology
Electromagnetic oven is as family's common electric, and whether the radiation produced in its use procedure can cause bad impact to the health of people, there is no scientific basis accurately up to the present.But, for the consideration to health, should consider when designing electromagnetic oven the health hazard that radiation likely causes.
In existing mentality of designing, be generally following several situation: one, elements all in electromagnetic oven are arranged at (201210431509.2) in an aluminum cavity, and this kind of mode be comparatively large and waste material for the heating efficiency impact of electromagnetic oven, simultaneously radiation-proof effect desirable; Its two, coil panel is placed in an aluminum cavity, and this kind of mode is large for the heating efficiency impact of electromagnetic oven, and shield effectiveness is poor.
Utility model content
For solving the problem, the utility model provides a kind of for the little and Low-radiation induction cooker that radiation proof efficiency is high of heating efficiency impact.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Low-radiation induction cooker, comprising: the shell at least with panel and drain pan, inside establishes coil and control circuit; To be located in control circuit and to work in the first components and parts of high frequency voltage; It is characterized in that, also comprise:
Be located at the first radiation proof board between described drain pan and described coil, upper surface holds the upright projection of described coil and described first components and parts;
Around the second radiation proof board of described coil and described first components and parts, there is gap with described drain pan inwall in described second radiation proof board at least partly;
Be located at the 3rd radiation proof board between described panel and described coil, described 3rd radiant panel is provided with the opening of the upright projection can holding described coil.
First preferred version of the present utility model is: also comprise the fan be located in described second radiation proof board and the air outlet be located on described shell, described second radiation proof board is provided with the first breach near described air outlet place.Adopt this programme, make the second radiation proof board can not form too high wind shielding structure, being convenient to wind derives.
Second preferred version of the present utility model is: described first breach takes the shape of the letter U.Adopt this structure handling ease and save material, air-out effect also the most as well.
3rd preferred version of the present utility model is: described drain pan is provided with the groove that at least one fixes described second radiation proof board, forms heat dissipation wind channel between described second radiation proof board.Use this programme, the second radiation proof board directly forms a heat dissipation wind channel in electromagnetic oven, further saves material.
4th preferred version of the present utility model is: in described first radiation proof board, the second radiation proof board, the 3rd radiation proof board, at least one is multilayer, each layer insulation.Adopt sandwich construction, carry out multilayer screen, improve radiation-proof effect further.
5th preferred version of the present utility model is: described first radiation proof board upper surface holds the upright projection of described lead-out wires of coil.Adopt this programme, bottom radiation proof is carried out to lead-out wires of coil, further reduces radiation.
6th preferred version of the present utility model is: described secondary shielding plate establishes multiple mesh near air-out region place.Adopt this structure, certain material can be saved, also carry out wind-guiding by mesh, further enhancing the radiating efficiency of electromagnetic oven.
7th preferred version of the present utility model is: described 3rd radiation proof board edge is to downward-extension.Adopt this programme, the edge to downward-extension has further expanded shield ranges, enhances radiation-resistant effect.
8th preferred version of the present utility model is: the diameter of described opening is 190 millimeters to 260 millimeters.In this scope, pan at least can block most of opening, so neither affects the heating effect of electromagnetic oven, can reach good radiation-proof effect again.
9th preferred version of the present utility model is: described first radiation proof board upper surface holds the upright projection of described opening.Adopt this programme, more radiation is reflected into pan bottom surface, adds the efficiency of heating.
Technical advantage of the present utility model is: by arranging three, upper, middle and lower radiation proof structure, makes high irradiation device all be present in a radiation proof chamber; Avoid and radiation proof structure is set in the inwall of complete machine or outer wall, thus unnecessary shielding is carried out to the device not producing radiation; And then saved material and reduced complete machine weight, make electromagnetic oven be more convenient for carrying and be more suitable for industrialization.
Further, from the angle of emitting radiant, the radiation that in electromagnetic oven, other high-frequency element (IGBT etc.) produces is also higher, and the radiation that in electromagnetic oven, all high irradiation devices produce, all carries out good shielding by above-mentioned radiation proof chamber.
To sum up, the utility model, under the radiation-resistant prerequisite of consideration, also take into account cost, weight, the efficiency of heating surface, in the technical scheme of wherein carrying out comprehensive Design and obtaining recording in the utility model.Make electromagnetic oven under the prerequisite that can reach fabulous radiation-resistant effect, also obtain the higher efficiency of heating surface, lower cost and lighter weight.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite not paying creative work, also can obtain other accompanying drawing according to following accompanying drawing.
Fig. 1 is the electromagnetic oven complete machine explosive view of embodiment 1.
Fig. 2 is the drain pan top view of embodiment 1.
Fig. 3 is embodiment 1 first radiation proof board top view.
Fig. 4 is the second radiation proof board stereogram of embodiment 1.
Fig. 5 is the drain pan stereogram of embodiment 2.
Reference numeral: 101-panel, 102-the 3rd radiation proof board, 103-first mica sheet, 104-upper cover, 105-coil panel, 106-display and input circuit plate, 107-windshield, 108-second radiation proof board, 109-fan, 110-control circuit board, 111-first radiation proof board, 112-power connection, 113-drain pan, 114-wind screen rib; 201-resonant capacitance, 202-IGBT; 301-first hole clipping, 302-spacing hole; 401-first breach, 402-second breach; 501-first card column, 502-first pillar, 503-limited post.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is described further.
Embodiment 1.
Referring to figs. 1 to Fig. 4, a kind of Low-radiation induction cooker, comprise panel 101, panel 101 inner surface is close to the surface that the 3rd radiation proof board 102 of circular open is established at middle part, another surface of 3rd radiation proof board 102 is glued with the first mica sheet 103, first mica sheet 103 and the 3rd radiation proof board 102 is all anchored on panel 101 by upper cover 104.Upper cover 104 is square ring, and multiple spacing preiection is established at middle part, and multiple spacing preiection is for clamping the first mica sheet 103, and then, upper cover 104 is adhered on panel 101 by super glue.
Above-mentioned Low-radiation induction cooker also comprises drain pan 113, V-shaped wind screen rib 114 is provided with in drain pan 113, wind screen rib 114 air outlet 203 position on drain pan 113 is provided with the first radiation proof board 111, first radiation proof board 111 and is fixed on drain pan 113 bottom surface by mode that is bonding or clamping.First radiation proof board 111 top is provided with the coil panel 105 being arranged with coil, is provided with control circuit board 110 between coil panel 105 and air outlet 203.Resonant capacitance 201 on control circuit board 110 and the upright projection of IGBT202 there is the subregion of the first radiation proof board 111.Above-mentioned resonant capacitance 201 and IGBT202 all belong to the first components and parts working in high frequency voltage.
Be provided with fan 109 near air inlet in wind screen rib 114, fan 109 top is provided with windshield 107.Air is sucked from air inlet by fan 109, stops, blow to coil panel 105 and control circuit board 110, then discharged by air outlet 203 through windshield 107 and wind screen rib 114.
The second radiation proof board 108 is provided with between above-mentioned wind screen rib 114 and drain pan 113 sidewall, second radiation proof board 108 and the first radiation proof board 111, the 3rd radiation proof board 102 form a shielding cavity, coil, resonant capacitance 201 and IGBT202 are all in this shielding cavity, and the electromagnetic radiation produced in device operation in this shielding cavity is subject to good shielding.
Aforementioned three radiation proof boards are made up of aluminium flake or copper sheet usually.Other are containing the alloy of aluminium or copper, as reached radiation-screening and caloric value is few, also can adopt.Further, in order to reach better shield effectiveness, aforementioned three radiation proof boards comprise multilayer aluminium flake, are insulated between aluminium flake and aluminium flake by mica sheet.
Circular open diameter in the middle part of above-mentioned 3rd radiation proof board 102 is 190 millimeters to 260 millimeters.The pan diameter of the standard pot 200 or 220 of this range reference electromagnetic oven efficiency test, in order to take into account the double-deck performance of electromagnetic oven efficiency and radiation.When diameter is lower than 190 millimeters, the magnetic line of force of part energy improving energy efficiency is isolated reflection by the 3rd radiation proof board 102 and slatterns, and be greater than 260 millimeters, then radiation-resistant effect can be deteriorated.
Above-mentioned 3rd radiation proof board 102 edge, to downward-extension, forms wider shield ranges, promotes the radiation-proof effect of electromagnetic oven.
Above-mentioned 3rd radiation proof board 102 is positioned on upper cover 104 by the locating hole on it.Concrete mode is: the projection on upper cover 104 is through this locating hole, then hot melt projection; Buckle on upper cover 104 is through locating hole, fixed by snap; Also directly the 3rd radiation proof board 102 can be scheduled on upper cover 104 by screw; Can also be connected on panel 101 by upper cover 104 dozens is gluing, the 3rd radiation proof board 102 is clipped between panel 101 and upper cover 104.
Considering that likely the 3rd radiation proof board 102 can contact with control circuit board 110 or coil panel 105, for ensureing insulation effect, at the 3rd radiation proof board 102 and interlayer insulating layer process need be done between control circuit board 110 and coil panel 105.Except above-mentioned the first square mica sheet 103 of employing is done except insulating materials, also can adopting as smeared insulated paint (glue), pasting the insulating materials such as insulating tape or plastic cement.
Above-mentioned second radiation proof board 118 at least partly and drain pan 113 inwall there is gap.Second radiation proof board 108 wraps wind screen rib 114, fan 109, control circuit board 110, and the second radiation proof board 108 between control circuit board 110 and air outlet 203 is provided with the first breach 401 taken the shape of the letter U, and air is in obtaining stop herein.Above-mentioned second radiation proof board 108 is provided with the second breach 402 near fan 109 place.The head and the tail type of attachment of above-mentioned second radiation proof board 108 can be welding manner, riveted mode etc.
Above-mentioned first radiation proof board 111 is rounded, and upper surface, except holding the upright projection of coil on the upright projection of resonant capacitance 201 and IGBT202, coil panel 105, also holds the upright projection of the connecting line between coil panel 105 and control circuit board 110.The shape of the first radiation proof board 111 is not limited to circle, according to the concrete structure of drain pan 113 and the setting position of high-frequency element, can adjust.
Consider that coil panel 105 is that main electromagnetic wave produces source, first radiation proof board 111 is nearer apart from coil panel 105, the electromagnetic radiation that coil panel 105 produces is then more to the electromagnetic wave quantity of the first radiation proof board 111, through the unordered reflection of the first radiation proof board 111, the energy that originally can be absorbed by pan is fallen by the reflection loss of the first radiation proof board 111 on the contrary, simultaneously because the first radiation proof board 111 self also can produce metal heating problem because of vortex phenomenon at the electromagnetic wave that reflection is external simultaneously, increase the energy loss of electromagnetic oven, be unfavorable for the lifting of electromagnetic oven efficiency.Therefore the first radiation proof board 111 is taked as far as possible away from the design of coil panel 105.Be close on drain pan 113 by the first radiation proof board 111, fixed form can be tight fit mode, hot melt drain pan locating dowel or snap fit screens etc.
Further, the first radiation proof board 111 upper surface holds the upright projection of the circular open of above-mentioned 3rd radiant panel 102
It is as follows that structure disclosed in the present embodiment carries out contrast test.
Test environment: electromagnetic shielding solarium
Testing standard: with reference to EN50336
Tester: German narda ELT400 electromagnetic radiation analyzer
Electromagnetic oven power: 2100W under 220V condition
Test pan: efficiency test standard pot B2 pot
Method of testing: with reference to EN50336 standard, under 220V voltage, peak power 2100W condition, standard B2 pot adds the water of 70% to fluidized state, and distance front, rear, left and right, electromagnetic oven edge, 30cm place, lower five positions are measured, and gets all directions maximum as record data.
Remarks: 1. test pattern: 10MHZ, RMS pattern.2. test environment is 0.22 at the noise level (%) in non-principal region.
As can be seen from the above table, the scheme in the present embodiment, for existing any one radiation proof scheme, its radiation-proof effect all has the lifting of matter, and can not increase too much weight and waste too much material.
Embodiment 2.
With reference to figure 5, the second radiation proof board 108, except the scheme in embodiment 1, can also be fixed in drain pan 113 in the following way.
Drain pan 113 is provided with the groove that at least one fixes described second radiation proof board 118, forms heat dissipation wind channel between the second radiation proof 118 plate.This groove is made up of multiple first pillar 502 and wind screen rib 114, second radiation proof board 118 inner face is directly close to the lateral wall of wind screen rib 114, the lateral surface of the second radiation proof board is undertaken spacing by multiple first pillar 502, the top of wind screen rib 114 is provided with the structure of overhead kick shape, prevents the second radiation proof board 118 from upwards jumping out.
First radiation proof board 111 is provided with inner surface and establishes first hole clipping 301 at multiple tip and multiple spacing empty 302, drain pan 113 bottom surface is provided with first card column 501 of mating with the first hole clipping 301, also be provided with limited post 503, first radiation proof board 111 mated with spacing hole 302 to be fixed on drain pan 113 by above-mentioned matching structure.
Embodiment 3.
Second radiation proof board 108, except the scheme in embodiment 1,2, can also be fixed in drain pan 113 in the following way.
Replaced the structure of wind screen rib 114 by the second radiation proof board 108, windshield 107 and fan 109 are all directly fixed on the second radiation proof board 108, by arranging groove structure on drain pan 113, the second radiation proof board 108 are directly fixed on drain pan 113.Now, heat dissipation wind channel is formed between the second radiation proof 118 plate.
Second radiation proof board 108 is provided with mesh-structured near air outlet 203 place, and air flows to air outlet 203 by mesh-structured.
Embodiment 4.
Based on other structure in embodiment 1, the second radiation proof board 118 is only around the resonant capacitance 201 on control circuit board 110 and IGBT202, and the connecting line between coil panel 105 and control circuit board 110.
The above; be only the utility model detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (10)
1. a Low-radiation induction cooker, comprising: the shell at least with panel and drain pan, inside establishes coil and control circuit; To be located in described control circuit and to work in the first components and parts of high frequency voltage; It is characterized in that, also comprise:
Be located at the first radiation proof board between described drain pan and described coil, upper surface holds the upright projection of described coil and described first components and parts;
Around the second radiation proof board of described coil and described first components and parts;
Be located at the 3rd radiation proof board between described panel and described coil, described 3rd radiant panel is provided with the opening of the upright projection can holding described coil.
2. Low-radiation induction cooker according to claim 1, is characterized in that: also comprise the fan be located in described second radiation proof board and the air outlet be located on described shell, described second radiation proof board is provided with the first breach near described air outlet place.
3. Low-radiation induction cooker according to claim 2, is characterized in that: described first breach takes the shape of the letter U.
4. Low-radiation induction cooker according to claim 1 or 2 or 3, is characterized in that: described drain pan is provided with the groove that at least one fixes described second radiation proof board, forms heat dissipation wind channel between described second radiation proof board.
5. Low-radiation induction cooker according to claim 1, is characterized in that: in described first radiation proof board, the second radiation proof board, the 3rd radiation proof board, at least one is multilayer, each layer insulation.
6. Low-radiation induction cooker according to claim 1, is characterized in that: described first radiation proof board upper surface holds the upright projection of described lead-out wires of coil.
7. Low-radiation induction cooker according to claim 1, is characterized in that: described secondary shielding plate establishes multiple mesh near air-out region place.
8. Low-radiation induction cooker according to claim 1, is characterized in that: described 3rd radiation proof board edge is to downward-extension.
9. Low-radiation induction cooker according to claim 1, is characterized in that: the diameter of described opening is 190 millimeters to 260 millimeters.
10. Low-radiation induction cooker according to claim 1, is characterized in that: described first radiation proof board upper surface holds the upright projection of described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747952.5U CN204404273U (en) | 2014-12-01 | 2014-12-01 | Low-radiation induction cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420747952.5U CN204404273U (en) | 2014-12-01 | 2014-12-01 | Low-radiation induction cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204404273U true CN204404273U (en) | 2015-06-17 |
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ID=53428125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420747952.5U Active CN204404273U (en) | 2014-12-01 | 2014-12-01 | Low-radiation induction cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204404273U (en) |
Cited By (3)
| 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 |
| CN108784302A (en) * | 2018-08-09 | 2018-11-13 | 珠海格力电器股份有限公司 | Radiation protection structure and cooking utensil |
| CN109124297A (en) * | 2018-08-09 | 2019-01-04 | 珠海格力电器股份有限公司 | Radiation protection structure and cooking utensil |
-
2014
- 2014-12-01 CN CN201420747952.5U patent/CN204404273U/en active Active
Cited By (4)
| 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 |
| CN108784302A (en) * | 2018-08-09 | 2018-11-13 | 珠海格力电器股份有限公司 | Radiation protection structure and cooking utensil |
| CN109124297A (en) * | 2018-08-09 | 2019-01-04 | 珠海格力电器股份有限公司 | Radiation protection structure and cooking utensil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 250118 999 Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Joyoung Company Limited Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: Joyoung Company Limited |
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| CP02 | Change in the address of a patent holder |