CN106642231A - Electromagnetic range - Google Patents

Electromagnetic range Download PDF

Info

Publication number
CN106642231A
CN106642231A CN201611242036.6A CN201611242036A CN106642231A CN 106642231 A CN106642231 A CN 106642231A CN 201611242036 A CN201611242036 A CN 201611242036A CN 106642231 A CN106642231 A CN 106642231A
Authority
CN
China
Prior art keywords
igbt
radiator
electromagnetic stove
circuit board
wind scooper
Prior art date
Application number
CN201611242036.6A
Other languages
Chinese (zh)
Inventor
杨萍
褚武建
茅忠群
诸永定
郑军妹
Original Assignee
宁波方太厨具有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宁波方太厨具有限公司 filed Critical 宁波方太厨具有限公司
Priority to CN201611242036.6A priority Critical patent/CN106642231A/en
Publication of CN106642231A publication Critical patent/CN106642231A/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B6/00Heating by electric, magnetic, or electromagnetic fields
    • H05B6/02Induction heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B6/00Heating by electric, magnetic, or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/06Control, e.g. of temperature, of power

Abstract

The invention relates to an electromagnetic range which comprises a machine shell with a bottom shell. A draught fan and a radiator are arranged in the machine shell. The bottom shell is provided with a circuit board used for controlling the electromagnetic range to work. The circuit board is provided with at least two electronic elements capable of emitting heat during work. The electronic elements are arranged in a staggered manner in the length or width direction of the circuit board. The radiator is located above the above circuit board, and the bottom of the radiator makes contact with the above electronic elements. Compared with the prior art, the phenomenon that heat between the electronic elements is accumulated and stacked can be effectively avoided, and therefore the radiating effect can be effectively improved; and meanwhile, heat is transmitted to the radiator through direct contact between the electronic elements and the radiator, the heat dissipation area is enlarged, and the heat dissipation efficiency is improved.

Description

A kind of electromagnetic stove
Technical field
The present invention relates to field of kitchen electric appliance, more particularly to a kind of electromagnetic stove.
Background technology
Electromagnetic stove mainly includes housing and is built in the movement of housing, and the panel being connected on movement exposes to housing, Wherein the movement of electromagnetic stove mainly includes electromagnetic wire coil and houses the wire coil bracket of the electromagnetic wire coil, and control electromagnetic wire coil work The circuit board of work.Various electronic components are provided with circuit board, wherein IGBT elements are one of core electron original papers, by IGBT Element HF switch produces alternating current, so as to produce alternating magnetic field so that electromagnetic stove can be to load heating.IGBT elements are certainly The high pressure of body, high speed, high frequency, Large Copacity, miniaturization, integrated characteristic so that the caloric value of IGBT element unit volumes compared with Greatly, if the temperature of IGBT elements is more than Tjmax(junction temperature), then the performance of IGBT elements will decline to a great extent, affect its working stability Property, so as to affect the work of electromagnetic stove.
Electromagnetic stove can produce in use amount of heat, traditional radiating mode mainly using direct current brush blower fan or Centrifugal blower then radiates from electromagnetic stove chassis air intake from the side air-out of electromagnetic stove.Such as:Patent No. A kind of embedded electromagnetic stove of Chinese utility model patent of ZL200820200151.1 (Authorization Notice No. is CN201293372Y) The radiator structure of tool, it includes being provided with heat dissipation wind channel between stove panel, drain pan, stove panel and drain pan, and heat dissipation wind channel is by stove Tool panel, drain pan and air channel bracket assembled, air channel support ring is arranged around stove panel, and air channel support is inner cavity body, its interior edge Be provided with the sinking step of support stove panel, stove panel is located on sinking step, be provided with the inside of sinking step with drain pan The opening for communicating, the bottom of air channel support is connected with drain pan, and exhaust vent is distributed with the outer rim of air channel support.In the patent, electricity The hot-air that magnetic stove is produced can be arranged outwardly from the exhaust vent on the support outer rim side of air channel, although can preferably disperse electromagnetic stove Internal hot-air, but hot-air fastens and is blown at the table top of kitchen range after the heat dissipation wind channel, and the table top side of kitchen range is generally The supporting construction of cabinet, so as to affect the circulation of heat dissipation wind channel exit hot-air, and then affects air-out effect.
Additionally, current radiating mode mainly carries out integral heat sink to electromagnetic stove inside, it is also not scattered for IGBT elements The structure of heat is improved, and therefore, the heat that IGBT elements are produced is the weight source of electromagnetic stove inside heat production, therefore is solved IGBT element radiatings problem will be significant to improving electromagnetic stove heat dispersal situations.
The content of the invention
The technical problem to be solved is to provide a kind of electromagnetic stove of good heat dissipation effect for prior art.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for:A kind of electromagnetic stove, including the machine with drain pan Shell, is provided with blower fan and radiator in the casing, the circuit board for controlling electromagnetic stove work is provided with the drain pan of casing, should The electronic component that can be generated heat when at least two work is provided with circuit board, it is characterised in that the electronic component is along circuit Shift to install on plate length or width, the radiator be located at foregoing circuit plate top and the bottom of radiator with it is above-mentioned Electronic component contacts.
Preferably, the electronic component is IGBT elements, and the IGBT elements are arranged in the middle position of circuit board, and Remaining electronic component on circuit board is then arranged in the both sides of circuit board.So as to first to IGBT better by radiator Part is radiated.
Further, the IGBT elements at least include an IGBT elements and the 2nd IGBT elements, an IGBT elements The air intake of close radiator and be more than 20mm with the distance between the air intake, an IGBT elements and the 2nd IGBT elements it Between spacing be 20~30mm.Due to the caloric value of each IGBT element unit volume it is larger, by an IGBT elements and Two IGBT elements are arranged at certain intervals, can be prevented effectively from accumulation of heat superposition, are further improved the radiating to IGBT elements and are imitated Really.
Further, the IGBT elements also include the 3rd IGBT elements and the 4th IGBT elements, wherein the 3rd IGBT Element sets with above-mentioned 2nd IGBT element neighbours and both spacing are more than 100mm, and the 3rd IGBT elements and the 4th IGBT are first Spacing between part is 20~30mm.Eyes electromagnetic stove generally requires four IGBT elements to control the alternation electricity of two eyes respectively Stream, so as to produce the magnetic field of alternation, the 3rd IGBT elements and the 4th IGBT elements is so designed that, is equally avoided that two IGBT Interelement heat diffusion accumulation superposition, further improves radiating effect.
Preferably, being additionally provided with bridge heap on the circuit board, the bridge heap is located at above-mentioned 2nd IGBT elements and the 4th Between IGBT elements, and the bridge heap and the spacing between the 2nd IGBT elements and the 3rd IGBT elements are all higher than 30mm.
Preferably, the radiator is gilled radiator, its top surface is formed with and moves towards one with the air-out of the blower fan The radiating groove of cause.Be conducive to the air-out of blower fan with the heat produced on radiator.
Preferably, being additionally provided with wind scooper in the casing, the wind scooper has air inlet and air outlet, the blower fan Air outlet, radiator and wind scooper air inlet it is relative successively, offer louvre on the bottom of the drain pan or side wall, The air outlet of above-mentioned wind scooper leads to the louvre.The heat for so being produced by radiator is directly discharged by wind scooper guiding, can Impact of the heat to other components of electromagnetic stove inside is avoided, while shortening by the wind of fan outlet blowout in electromagnetic stove Path, so as to reduce the resistance to wind so that more preferably, radiating efficiency is higher for radiating effect.
Preferably, sequentially forming between air inlet and air outlet guide surface and guiding on the roof of the wind scooper Face, wherein guide surface flush with the top surface of radiator, and the spigot surface is arc convex and tangent with guide surface, so as to more preferable The heat that ground produces in radiator is derived by wind scooper by louvre.
Further, the smooth transition of connection, and the radius of curvature of the spigot surface are formed between the guide surface and spigot surface For 90~120mm.
Compared with prior art, it is an advantage of the current invention that:The heat that heater element is produced on circuit board is electromagnetic stove heat The important sources of amount, the electronic component that can be generated heat when working in the present invention is shifted to install in circuit board length or width, And radiator is located at foregoing circuit plate top and the bottom of radiator contacts with above-mentioned electronic component, so can be prevented effectively from The accumulation superposition of the heat between each electronic component, so as to be effectively improved radiating effect, while by electronic component and radiator Directly contact and transfer heat to radiator, increase area of dissipation, improve radiating efficiency.
Description of the drawings
Fig. 1 is the structural representation of electromagnetic stove in the embodiment of the present invention;
Fig. 2 is the other direction structural representation of Fig. 1;
Fig. 3 is sectional views of the Fig. 1 along A-A directions;
Fig. 4 is the partial structurtes exploded view of electromagnetic stove in the embodiment of the present invention;
Fig. 5 is the partial structurtes exploded view of I part in Fig. 4;
Fig. 6 is the structural representation of II part in Fig. 5;
Fig. 7 is the structure decomposition figure of Fig. 6;
Fig. 8 is the partial structurtes exploded view of wire coil component in the embodiment of the present invention;
Fig. 9 is the other direction structural representation of Fig. 8.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Fig. 1~9, a kind of electromagnetic stove, including casing 1, it is provided with heat dissipation wind channel 2 and wire coil component in the casing 1 3, the casing 1 includes panel 11 and drain pan 12, and the circuit board 23 for controlling the work of drum 30 is provided with drain pan 12.It is above-mentioned to dissipate Hot-flow flue 2 includes blower fan 20, radiator 21 and wind scooper 22, and the fresh air inlet 121 of the blower fan 20 is arranged on the bottom surface of drain pan 12.
The electronic component 13 that can be generated heat when at least two work is provided with foregoing circuit plate 23, the electronic component 13 is on edge Shift to install on the width of circuit board 23, above-mentioned radiator 21 is located at the bottom of the top of foregoing circuit plate 23 and radiator 21 Contact with above-mentioned electronic component 13.The heat of so electronic component generation 13 can be directly passed to radiator 21, increase radiating Area, improves radiating efficiency.
IGBT elements are one of core electron original papers, alternating current are produced by IGBT elements HF switch, so as to produce Alternating magnetic field so that electromagnetic stove can be to load heating.The high pressure of IGBT elements itself, high speed, high frequency, Large Copacity, miniaturization, Integrated characteristic so that the caloric value of IGBT element unit volumes is larger, if the temperature of IGBT elements is more than Tjmax(junction temperature), Then the performance of IGBT elements will decline to a great extent, and affect its job stability, so as to affect the work of electromagnetic stove.Therefore, above-mentioned electricity Subcomponent 13 is preferably IGBT elements, and the IGBT elements are arranged in the middle position of circuit board 23, and on circuit board 23 Remaining electronic component is then arranged in the both sides of circuit board 23.
Further, the electromagnetic stove in the present embodiment is eyes electromagnetic stove, therefore electromagnetic stove is internally provided with four IGBT units Part, this four IGBT elements are respectively an IGBT elements 131, the 2nd IGBT elements 132, the 3rd IGBT elements 133 and the 4th IGBT elements 134.To avoid heat diffusion, accumulation superposition between each IGBT elements, so as to affect radiating effect, the present embodiment In, the air intake 210 of the close radiator 21 of an IGBT elements 131 and it is more than 20mm with the distance between the air intake 210, Spacing between first IGBT elements 131 and the 2nd IGBT elements 132 is 20~30mm.3rd IGBT elements 133 with it is above-mentioned The neighbour of 2nd IGBT elements 132 sets and both spacing are more than 100mm, the 3rd IGBT elements 133 and the 4th IGBT elements 134 Between spacing be 20~30mm.Additionally, being additionally provided with bridge heap 14 on circuit board 23, it is first that the bridge heap 14 is located at above-mentioned 2nd IGBT Between the IGBT elements 132 of part 132 and the 4th, and between the IGBT elements 132 of bridge heap 14 and the 2nd and the 3rd IGBT elements 133 Spacing be all higher than 30mm.
Additionally, the radiator 21 in the present embodiment be gilled radiator, its top surface be formed with the heat dissipation wind channel 2 Move towards consistent radiating groove 211.
Above-mentioned wind scooper 22 includes the side wall of roof and both sides, and the roof is integrated part, including guide surface 221 and spigot surface 222, wherein guide surface 221 is flushed with the top surface of above-mentioned radiator 21, and the free end of the guide surface 221 externally protrudes out in wind scooper 22 and it is connected with the top surface of radiator 21.The smooth transition of connection, and the spigot surface are formed between guide surface 221 and spigot surface 22 222 radius of curvature is 90~120mm.
Above-mentioned both sides side wall encloses the both sides in front and back for being located at roof, and one end of two side and roof is enclosed and sets to form wind scooper 22 Air inlet 223, and make the air inlet 223 of the air outlet of above-mentioned blower fan 20, radiator 21 and wind scooper 22 relative successively, and The other end of two side and roof encloses and sets the air outlet 224 to form wind scooper 22, the air outlet 22 be arranged on the bottom surface of drain pan 12 On louvre 122 it is just right, so as to preferably by heat pass through louvre 122 row of the above-mentioned heat dissipation wind channel 2 from the bottom of casing 1 Go out.Further, the fresh air inlet 121 of above-mentioned blower fan 20 and the distance of louvre 122 are 275~300mm, it is to avoid by louvre 122 The hot blast of discharge enters heat dissipation wind channel 3 by fresh air inlet 121.Compared with the radiator structure of existing electromagnetic stove, dissipating in the present invention The hot gas that hot-flow flue 2 produces electromagnetic stove is directly discharged by electromagnetic stove bottom, is prevented effectively from side heat extraction pair in prior art The impact of cabinet, while wind scooper 22 is directly discharged wind by electromagnetic stove bottom, shortens the length in whole air channel, so as to reduce Resistance of the air channel to wind, improves radiating effect, additionally, wind scooper 22 is directly discharged wind by bottom, can be prevented effectively from heat Impact of the amount to other components of electromagnetic stove inside.
Above-mentioned wire coil component 3 includes drum 30 and the mounting bracket 31 for installing the drum 30, and the mounting bracket 31 is wrapped Include the fixed plate 311 for fixing drum 30 and the elastic supporting member for supporting optical member 312 for supporting the fixed plate 311, the elastic supporting member for supporting optical member 312 are arranged between fixed plate 311 and drain pan 12, and make drum 30 keep the trend offseted with panel 11, while making fixed plate 311 are close to the top surface of radiator 21.So electromagnetic stove can not only be lifted by drum 30 and sufficiently closing to for panel 11 Performance, and panel 11 pushes wire coil component 3 and fixed plate 311 is close to the top surface of radiator 21, it is relatively close so as to be formed The heat dissipation wind channel 2 of envelope, in addition to carrying out concentrating radiating to IGBT elements, moreover it is possible to drum 30 is radiated by fixed plate 311, from And lift the integral heat sink effect of electromagnetic stove.
Above-mentioned drum 30 is positioned in fixed plate 311 by coupling assembly, and the coupling assembly includes being arranged on fixed plate 311 Slotting link structure between the bottom of drum 30 and be arranged on drum 30 weeks along and the buckle structure between fixed plate 311.The slotting company Structure is including the inserting column 301 at being arranged on the bottom of drum 30 and the junction of fixed plate 311 wherein one and is arranged on another place, supplies to be somebody's turn to do The jack 313 of the insertion of inserting column 301.In the present embodiment, the bottom of drum 30 is evenly equipped with three inserting columns 301, and fixed plate 311 is right Should place be provided with jack 313 for the insertion of the inserting column 301, so as to this spacing is positioned in fixed plate 311.The buckle structure bag Include be arranged on drum 30 weeks along with the junction of fixed plate 311 wherein at buckle block 314 and be arranged on another place, for the buckle The buckle slot 302 that block 314 is snapped in, also, the buckle slot 302 and buckle block 314 equal at least two and respectively along drum 30 weeks To being all provided with.In the present embodiment, above-mentioned buckle block 314 is the projection for being vertically provided at the top surface of fixed plate 311, and the projection is four And be circumferentially all provided with around drum 30, accordingly, the week of drum 30 is circumferentially equipped with four horizontal projections 303, each level along upper The breach being radially outward open is provided with projection 303, each breach forms above-mentioned buckle slot 302.It is each when the bottom of drum 30 When inserting column 301 inserts corresponding jack 313, buckle block 314 is snapped in immediately in corresponding buckle slot 302, so as to drum 30 is steady Admittedly be arranged in fixed plate 311.
Above-mentioned elastic supporting member for supporting optical member 312 is in the form of a column, including vertically arranged support column 32 and is set on the support column 32 Compression spring 33, the bore dia of the connecting hole 315 is more than the width of limited cap 321, and the external diameter of compression spring 33 is more than connecting hole 315 bore dia, the lower end of the support column 32 is fixed on drain pan 12, and upper end is located in the connecting hole 315 of fixed plate 311, And the upper end of compression spring 33 is spacing in the connecting hole 315.It is that compression spring 33 is firmly placed in support column 32, The upper end of the support column 32 peripherally and outwardly extends and forms limited cap 321, additionally, the both sides of the limited cap 321 are respectively arranged with Anti- rotation depression 322.Meanwhile, the lower end of support column 32 offers the installing hole 323 extended along its short transverse, and drain pan 12 is right Should place offer through hole, a screw (not shown) sequentially passes through above-mentioned through hole and installing hole 323 and support column 32 is fixed on into bottom On shell 12.Support column 32 is fixed by screws on drain pan 12, and compression spring 33 is set on support column 32.
During installation, fixed plate 311 is placed on elastic supporting member for supporting optical member 312, and connecting hole 315 is directed at into elastic supporting member for supporting optical member 312 push, and compression spring 33 is compressed and forces in fixed plate 311, and limited cap 321 passes through connecting hole 315, fixed plate 311 to limit Between compression spring 33 and limited cap 321, and in the presence of the elastic supporting member for supporting optical member 312, drum 30 is set to protect with panel 11 Hold the state for offseting.

Claims (9)

1. a kind of electromagnetic stove, including casing (1), is provided with blower fan (20) and radiator (21) in the casing (1), casing (1) The circuit board (23) for controlling electromagnetic stove work is provided with drain pan (12), on the circuit board (23) at least two works are provided with The electronic component (13) that can be generated heat when making, it is characterised in that the electronic component (13) is along circuit board (23) length or width Shift to install on direction, the radiator (21) positioned at foregoing circuit plate (23) top and the radiator (21) bottom with it is upper State electronic component (13) to contact.
2. electromagnetic stove as claimed in claim 1, it is characterised in that the electronic component (13) is IGBT elements, and the IGBT Element is arranged in the middle position of circuit board (23), and remaining electronic component on circuit board (23) is then arranged in circuit board (23) both sides.
3. electromagnetic stove as claimed in claim 2, it is characterised in that the IGBT elements at least include an IGBT elements (131) and the 2nd IGBT elements (132), the air intake (210) of the close radiator (21) of an IGBT elements (131) and with this The distance between air intake (210) is more than 20mm, the spacing between an IGBT elements (131) and the 2nd IGBT elements (132) For 20~30mm.
4. electromagnetic stove as claimed in claim 3, it is characterised in that the IGBT elements also include the 3rd IGBT elements (133) With the 4th IGBT elements (134), wherein the 3rd IGBT elements (133) set with above-mentioned 2nd IGBT elements (132) neighbour and both Spacing be more than 100mm, the spacing between the 3rd IGBT elements (133) and the 4th IGBT elements (134) be 20~30mm.
5. electromagnetic stove as claimed in claim 4, it is characterised in that be additionally provided with bridge heap (14) on the circuit board (23), should Bridge heap (14) is between above-mentioned 2nd IGBT elements (132) and the 4th IGBT elements (132), and the bridge heap (14) and second Spacing between IGBT elements (132) and the 3rd IGBT elements (133) is all higher than 30mm.
6. electromagnetic stove as claimed in claim 1, it is characterised in that the radiator (21) is gilled radiator, its top surface It is formed with and moves towards consistent radiating groove (211) with the air-out of the blower fan (20).
7. the electromagnetic stove as described in any one of claim 1~6, it is characterised in that be additionally provided with wind scooper in the casing (1) (22), the wind scooper (22) is with air inlet (223) and air outlet (224), the air outlet of the blower fan (20), radiator (21) And the air inlet (223) of wind scooper (22) is relative successively, and on the bottom of the casing (1) or side wall louvre is offered (122), the air outlet (224) of above-mentioned wind scooper (22) leads to the louvre (122).
8. electromagnetic stove as claimed in claim 7, it is characterised in that roof the entering in wind scooper (22) of the wind scooper (22) Sequentially form guide surface (221) and spigot surface (222) between air port (223) and air outlet (224), wherein guide surface (221) with The top surface of radiator (21) is flushed, and spigot surface (222) leads to louvre (122), and for arcwall face and with guide surface (221) phase Cut.
9. electromagnetic stove as claimed in claim 8, it is characterised in that formed between the guide surface (221) and spigot surface (222) The smooth transition of connection, and the radius of curvature of the spigot surface (222) is 90~120mm.
CN201611242036.6A 2016-12-29 2016-12-29 Electromagnetic range CN106642231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611242036.6A CN106642231A (en) 2016-12-29 2016-12-29 Electromagnetic range

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611242036.6A CN106642231A (en) 2016-12-29 2016-12-29 Electromagnetic range

Publications (1)

Publication Number Publication Date
CN106642231A true CN106642231A (en) 2017-05-10

Family

ID=58836242

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611242036.6A CN106642231A (en) 2016-12-29 2016-12-29 Electromagnetic range

Country Status (1)

Country Link
CN (1) CN106642231A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060081554A (en) * 2005-01-10 2006-07-13 엘지전자 주식회사 Induction heater of electric range
CN201087794Y (en) * 2007-05-16 2008-07-16 九阳股份有限公司 Cooling structure of electromagnetic stove IGBT module
CN102072507A (en) * 2010-09-30 2011-05-25 浙江苏泊尔家电制造有限公司 Radiating structure for electromagnetic oven
CN202056937U (en) * 2011-05-24 2011-11-30 殷磊 Double cooker chambers type induction cooker
CN202392856U (en) * 2011-12-08 2012-08-22 深圳市灶星智能科技有限公司 Ventilation heat radiating device of induction cooker
CN202813503U (en) * 2012-08-21 2013-03-20 美的集团股份有限公司 Radiating structure and electromagnetic oven

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060081554A (en) * 2005-01-10 2006-07-13 엘지전자 주식회사 Induction heater of electric range
CN201087794Y (en) * 2007-05-16 2008-07-16 九阳股份有限公司 Cooling structure of electromagnetic stove IGBT module
CN102072507A (en) * 2010-09-30 2011-05-25 浙江苏泊尔家电制造有限公司 Radiating structure for electromagnetic oven
CN202056937U (en) * 2011-05-24 2011-11-30 殷磊 Double cooker chambers type induction cooker
CN202392856U (en) * 2011-12-08 2012-08-22 深圳市灶星智能科技有限公司 Ventilation heat radiating device of induction cooker
CN202813503U (en) * 2012-08-21 2013-03-20 美的集团股份有限公司 Radiating structure and electromagnetic oven

Similar Documents

Publication Publication Date Title
JP3125345U (en) Power supply
CN201194451Y (en) Heat radiating machine case
KR20090031133A (en) Out door unit of an air conditioner
US20180100658A1 (en) Ventilation System for Induction Cooktop
JP4783244B2 (en) Induction heating cooker
CN203445107U (en) Internal isolated heat-dissipation structure of ballast
CN203722973U (en) High thermal conductivity radiating fin for shielding electromagnetic wave
CN103445669B (en) Electromagnetic electric-pressure cooker
KR100939531B1 (en) An apparatus for radiating heat of led lamp
CN201267043Y (en) Electrodeless lamp controller
KR101370593B1 (en) Lamp device
CN205825143U (en) The base of microwave oven and microwave oven
CN203615293U (en) Ventilation and heat radiation structure of LED (light emitting diode) bulb lamp
CN201263265Y (en) Ventilated shielding dustproof panel
CN205753782U (en) The centrifugal air duct system of cooking machine and the cooking machine with it
CN104315476A (en) Stage lamp heat radiation system, stage lamp applying heat radiation system and heat radiation method thereof
CN104235899A (en) Electric ceramic stove core
KR100437381B1 (en) Cooling structure of machine parts for ventilation hooded microwave oven
JP5811609B2 (en) Transformer cooling system
KR20040009600A (en) built-in type refrigerator
CN101354149A (en) Electromagnetic stove
CN203336551U (en) Heat dissipation device of stage lamp
WO2020151260A1 (en) Electromagnetic heating disk and rice cooker
US20180020509A1 (en) Coil panel and an induction cooker
CN106332528A (en) Electronic product installation cabinet with good ventilation and heat dissipation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination