CN101213406B - Device for preventing leakage of microwave for microwave oven - Google Patents

Device for preventing leakage of microwave for microwave oven Download PDF

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Publication number
CN101213406B
CN101213406B CN2006800239622A CN200680023962A CN101213406B CN 101213406 B CN101213406 B CN 101213406B CN 2006800239622 A CN2006800239622 A CN 2006800239622A CN 200680023962 A CN200680023962 A CN 200680023962A CN 101213406 B CN101213406 B CN 101213406B
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CN
China
Prior art keywords
heater
peristome
culinary art
assembly
cavity assembly
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2006800239622A
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Chinese (zh)
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CN101213406A (en
Inventor
朴光龙
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LG Electronics Inc
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LG Electronics Inc
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Publication date
Priority claimed from KR1020050062956A external-priority patent/KR20070008044A/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority claimed from PCT/KR2006/002745 external-priority patent/WO2007008038A1/en
Publication of CN101213406A publication Critical patent/CN101213406A/en
Application granted granted Critical
Publication of CN101213406B publication Critical patent/CN101213406B/en
Expired - Fee Related legal-status Critical Current
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/02Stoves or ranges heated by electric energy using microwaves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/04Stoves or ranges heated by electric energy with heat radiated directly from the heating element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/06Arrangement or mounting of electric heating elements
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)

Abstract

The present invention relates to a device for preventing microwave leakage for a microwave oven. The present invention comprises a cavity assembly formed with an opening portion through which heating energy generated in an energy generating means is supplied into a cooking chamber provided within the cavity assembly; a cover provided on a side of the cavity assembly to cover the opening portion; and a choke member provided between the cavity assembly and the cover to prevent microwave supplied into the cooking chamber from leaking through a gap between the cavity assembly and the cover. According to the present invention, there is an advantage in that microwave is effectively prevented from leaking through a gap, which is formed when installing a heating means for providing a heating source in addition to the microwave.

Description

Be used to prevent the device of the microwave leakage of micro-wave oven
Technical field
The present invention relates to a kind of micro-wave oven, more specifically relate to a kind of device of microwave leakage of the micro-wave oven that is used to prevent wherein to have installed heater assembly, its microwave that can prevent to be applied to the culinary art chamber leaks into the outside via the periphery of porous portion.
Background technology
Usually, thus micro-wave oven is a kind of cook utensil that is used for cooking food in the culinary art chamber that is applied to through the microwave that multiple electronic unit is produced.Recently, rendered to market with the micro-wave oven of cooking multiple food a kind of except microwave, also having as the heater of thermal source.
Fig. 8 shows the three-dimensional exploded view according to the major part of the micro-wave oven of prior art.
As shown in the figure, culinary art chamber 711 is arranged in the cavity of microwave oven assembly 710.In addition, be provided with porous portion 715 on the upper plate 713 of cavity assembly 710 with in corresponding that face of top board of cooking chamber 711.Porous portion 715 in the form of a substantially rectangular shape form and form and have a plurality of holes that penetrate upper plate 713.
In addition, heat guard 717 is installed on the upper surface of upper plate 713.Heater peristome 718 be formed on the heat guard 717 with porous portion 715 corresponding those parts in.Light that in heater assembly 721, produces and/or heat are fed in the culinary art chamber 711 via heater peristome 718.
And, heater pedestal 719 be arranged on the heat guard 717 with corresponding that part of the interior circumferential portion of heater peristome 718 on.Heater pedestal 719 is parts of fixed heater assembly 721.Heater pedestal 719 is configured as the rectangle frame form, and is arranged on the interior circumferential portion of heater pedestal 719 towards the extension rib 719R that extends below.
Heater pedestal 719 assembles with heater assembly 721.Heater assembly 721 is through taking the food in the heating cooking chamber 711 by light that electric power produced that puts on heating component 721 and/or heat.Heater assembly 721 is provided with a pair of heater H 7 and the H7 ' that is used for mainly producing light and/or heat.Heater H 7 and H7 ' can be made up of for example halogen heater and ceramic heater.
Heater H 7 and H7 ' are respectively fixed to the upper surface of heater support 723.Being configured as rectangle frame form of heating regime device support 723 is fixed on the heater pedestal 719 together with the heater H 7 and the H7 ' on surface fixed thereon.
Be provided with reflecting plate 725 in the top of heater H 7 and H7 '.Reflecting plate 725 is used for the light of heater H 7 and H7 ' and/or hot internal reflection towards culinary art chamber 711.Reflecting plate 725 is provided with a plurality of air vent 725H.The part of the air-flow that air vent 725H allows to produce from cooling fan assembly (figure does not show) is introduced into via air vent and is used for cooling off heater H 7 and H7 '.
In addition, a pair of radome 727 and 729 is arranged on the top of reflecting plate 725.Radome 727 and 729 is used for preventing that the microwave that is produced and be applied to culinary art chamber 711 by electronic unit from leaking into the outside via porous portion 715.Unaccounted Reference numeral S7 refers to the screw that is used for heater assembly 721 is fixed to heater pedestal 719.
Yet, have following problem according to the micro-wave oven of above prior art.
In the prior art, in order to prevent that the microwave that is applied in the culinary art chamber 711 from leaking into the outside and being provided with a plurality of radomes 727 and 729 via porous portion 715.Yet, only exist and can not fully prevent the shortcoming that microwave leaks via porous portion 715 through radome 727 and 729.
Summary of the invention
[technical problem]
The present invention is in order to solve aforesaid the problems of the prior art in conception.The purpose of this invention is to provide a kind of device that is used to prevent the microwave leakage of micro-wave oven, it is configured in order to prevent to be fed to the leakage of the microwave in the culinary art chamber.
Another object of the present invention provides a kind of device that is used to prevent the microwave leakage of micro-wave oven, and it is configured to prevent microwave leakage with simple structure.
[technical scheme]
In order to realize these purposes; According to an aspect of the present invention; A kind of device that is used to prevent the microwave leakage of micro-wave oven is provided; Comprise: on upper surface, be formed with the cavity assembly of porous portion, the heat energy that in energy producing unit, produces is fed in the culinary art chamber that is arranged in the said cavity assembly through said porous portion; Heat guard; It is installed on the upper surface of said cavity assembly and is provided with peristome and heater pedestal; Said peristome is corresponding with said porous portion, said heater pedestal be used to that said energy producing unit is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below; Cover, it is arranged on the side of said cavity assembly in order to cover said porous portion; And obstruction member; It is arranged between said heat guard and the said cover in order to prevent that the microwave that is fed in the said culinary art chamber from leaking via said peristome; Wherein, said obstruction member is formed with and the corresponding hollow bulb of said peristome, and the interior circumferential portion of said hollow bulb is provided with blocking part; Said blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space, and said blocking part is inserted in the said peristome and contiguous said extension rib location.
According to a further aspect in the invention, a kind of device that is used to prevent the microwave leakage of micro-wave oven is provided, comprises: on upper surface, be formed with the cavity assembly of porous portion, heat energy is fed in the culinary art chamber that is arranged in the said cavity assembly through said porous portion; Energy producing unit, it is installed on the top part of said porous portion and produces via said porous portion and is fed to the heat energy in the said culinary art chamber; Heat guard; It is installed on the upper surface of said cavity assembly and is provided with peristome and heater pedestal; Said peristome is corresponding with said porous portion, said heater pedestal be used to that said energy producing unit is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below; Cover, it is arranged on the side of said cavity assembly in order to cover said porous portion; And obstruction member; It is arranged between the one side and said energy producing unit of said cavity assembly; The microwave that said obstruction member prevents to be applied in the said culinary art chamber arrives outside via the clearance leakage between said cavity assembly and the said energy producing unit; Wherein, said obstruction member is formed with and the corresponding hollow bulb of said peristome, and the interior circumferential portion of said hollow bulb is provided with blocking part; Said blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space, and said blocking part is inserted in the said peristome and contiguous said extension rib location.
According to another aspect of the invention, a kind of device that is used to prevent the microwave leakage of micro-wave oven is provided, comprises: the cavity assembly wherein is provided with the culinary art chamber and on the upper surface of said cavity assembly, is formed with porous portion; Energy producing unit, it is installed on the top part of said porous portion and produces via said porous portion and is fed to the heat energy in the said culinary art chamber; Heat guard; It is installed on the upper surface of said cavity assembly and is provided with peristome and heater pedestal; Said peristome is corresponding with said porous portion, said heater pedestal be used to that said energy producing unit is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below; And obstruction member; It is arranged between said heat guard and the said energy producing unit; The microwave that said obstruction member prevents to be applied in the said culinary art chamber arrives outside via the clearance leakage between said cavity assembly and the said energy producing unit; Wherein, said obstruction member is formed with and the corresponding hollow bulb of said peristome, and the interior circumferential portion of said hollow bulb is provided with blocking part; Said blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space, and said blocking part is inserted in the said peristome and contiguous said extension rib location.
Preferably, energy producing unit is to comprise being used for supplying the light that supplies to the culinary art chamber or the heater assembly of at least one heater of heat.
More preferably, obstruction member is formed with and the corresponding hollow bulb of peristome, and the interior circumferential portion of hollow bulb is provided with blocking part, and blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space.
In accordance with a further aspect of the present invention; A kind of device that is used to prevent the microwave leakage of micro-wave oven is provided; Comprise: cavity assembly, its set inside have and are formed with the heater peristome on culinary art chamber, its surface and are provided with blocking part in order to prevent to be fed to the leakage of the microwave in the culinary art chamber in the interior circumferential portion of heater peristome; And heater assembly, its upper part and generation that is installed in the heater peristome is fed to the heat energy in the culinary art chamber.
According to another again aspect of the present invention, a kind of device that is used to prevent the microwave leakage of micro-wave oven is provided, comprising: the cavity assembly wherein is provided with on culinary art chamber and its surface and is formed with porous portion; Heat guard; It is installed on that surface of the porous portion that is formed with of cavity assembly; Be formed with corresponding heater peristome, and the interior circumferential portion of heater peristome is provided with blocking part in order to prevent to be fed to the leakage of the microwave in the culinary art chamber with porous portion; And heater assembly, it is installed on the top part of heater peristome and produces the heat energy that is fed in the culinary art chamber.
Preferably, the interior circumferential portion of heater peristome also is provided with and is configured as rectangle frame form of heating regime device pedestal, and heater assembly is fixed on the heater pedestal, and blocking part is installed to the interior circumferential portion of heater pedestal.
According to another again aspect of the present invention, a kind of device that is used to prevent the microwave leakage of micro-wave oven is provided, comprising: the cavity assembly wherein is provided with on the upper surface of culinary art chamber and cavity assembly and is formed with the porous portion that is communicated with said culinary art chamber; Heat guard; It is installed on the upper surface of said cavity assembly and is provided with heater peristome and heater pedestal; Said heater peristome is corresponding with said porous portion, said heater pedestal be used to that heater assembly is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below; And said heater assembly; It is installed on the top part of said heater peristome; Generation is fed to the heat energy in the said culinary art chamber; And be provided with and be used for preventing to be fed to the blocking part of the microwave of said culinary art chamber via the clearance leakage between said cavity assembly and the said heater assembly; Wherein, said blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space, and said blocking part is inserted in the said heater peristome and contiguous said extension rib location.
Preferably, heater assembly comprises: at least one heater that is used to produce light or heat; Heater support, it is fixed on the surface of cavity assembly together with heater fixed thereon; And reflecting plate, be used for the light of heater or heat reflection to the culinary art chamber; And blocking part and heater support or reflecting plate form as one.
More preferably, heater assembly comprises: at least one heater that is used to produce light or heat; Heater support, it is fixed on the surface of cavity assembly together with heater fixed thereon; Reflecting plate is used for the light of heater or heat reflection to the culinary art chamber; And covering member, be used to cover heater peristome and heater, heater support and reflecting plate; And blocking part and covering member form as one.
According to another again aspect of the present invention; A kind of device that is used to prevent the microwave leakage of micro-wave oven is provided; Comprise: the cavity assembly, wherein be provided with culinary art chamber and food and in said culinary art chamber, heat, said cavity assembly is formed with porous portion on the surface above that; Heater assembly, it is formed on the side of said cavity assembly in order to the light that will be used for heat food or heat and is fed to said culinary art chamber via the said porous portion that is communicated with said culinary art chamber; Heat guard, it is installed on the upper surface of said cavity assembly and is provided with heater peristome and heater pedestal, and said heater peristome is corresponding with said porous portion, and said heater pedestal is used to install heater assembly; And prevent leakage device; Be used to prevent that microwave is via the clearance leakage between said cavity assembly and the said heater assembly; Wherein, the said blocking part that prevents that leakage device is arranged on the interior circumferential portion of said heater pedestal and form by a plurality of barriers that sequentially are arranged alternately with predetermined space and recess.
Preferably, prevent that leakage device from being obstruction member, obstruction member is arranged between cavity assembly and the heater assembly and comprises the blocking part that is used to prevent microwave leakage, and blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space.
More preferably, prevent that leakage device from being the blocking part that is installed on the heater pedestal that is used for fixing heater assembly, blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space.
More preferably, heater pedestal is fixed on the heat guard that is arranged on the cavity assembly surface.
According to another again aspect of the present invention; A kind of device that is used to prevent the microwave leakage of micro-wave oven is provided; Comprise: the cavity assembly, wherein be provided with culinary art chamber and food and in said culinary art chamber, heat, said cavity assembly is formed with porous portion on the surface above that; Heater assembly, it is formed on the side of said cavity assembly in order to the light that will be used for heat food or heat and is fed to said culinary art chamber via the said porous portion that is communicated with said culinary art chamber; And heat guard, it is installed on the upper surface of said cavity assembly and is provided with heater peristome and heater pedestal, and said heater peristome is corresponding with said porous portion, and said heater pedestal is used to install said heater assembly; Wherein, Prevent that leakage device from being the blocking part that a plurality of barriers that are installed on the said heater pedestal and sequentially are arranged alternately by predetermined space and recess form, and said blocking part is inserted in the said heater peristome and contiguous said extension rib location.
More preferably, prevent that leakage device from being the blocking part that is installed on the heater assembly and is formed by a plurality of barriers that sequentially are arranged alternately with predetermined space and recess.
More preferably, heater assembly comprises: at least one heater that is used to produce light or heat; Heater support, it is fixed on the surface of cavity assembly together with heater fixed thereon; Reflecting plate is used for the light of heater or heat reflection to the culinary art chamber; And covering member, be used to cover heater peristome and heater, heater support and reflecting plate; And one of them and blocking part that blocking part is installed to heater support, reflecting plate and covering member are formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space.
[beneficial effect]
According to the device that is used to prevent the microwave leakage of micro-wave oven of the present invention, can expect following advantage.
According to the present invention,, between cavity assembly and heater assembly, be provided with the obstruction member of blocking part in order to prevent to be fed to microwave in the culinary art chamber via the clearance leakage between cavity assembly and the heater assembly.Therefore, more can guarantee to use the stability of microwave, therefore improve process reliability as the micro-wave oven of main heating source.
In addition, in the present invention, blocking part is not arranged in the independent obstruction member, but can with cavity assembly or heating component in any one form as one.So, can prevent that microwave leakage is to the production cost of cooking the outside of chamber and having reduced the production man-hours requirement simultaneously and having reduced processing with simpler structure.
Description of drawings
Fig. 1 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of first embodiment of the device that is used to prevent microwave leakage of the present invention;
Fig. 2 shows the stereogram of the obstruction member of first embodiment of the invention;
Fig. 3 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of second embodiment of the device that is used to prevent microwave leakage of the present invention;
Fig. 4 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 3rd embodiment of the device that is used to prevent microwave leakage of the present invention;
Fig. 5 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 4th embodiment of the device that is used to prevent microwave leakage of the present invention;
Fig. 6 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 5th embodiment of the device that is used to prevent microwave leakage of the present invention;
Fig. 7 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 6th embodiment of the device that is used to prevent microwave leakage of the present invention; And
Fig. 8 shows the three-dimensional exploded view according to the major part of the micro-wave oven of prior art.
The specific embodiment
[best mode]
Hereinafter, will describe preferred implementation in detail with reference to accompanying drawing according to the device of the microwave leakage that is used to prevent micro-wave oven of the present invention.
Fig. 1 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of first embodiment of the device that is used to prevent microwave leakage of the present invention, and Fig. 2 shows the stereogram of the obstruction member of first embodiment of the invention.
As shown in the figure, the culinary art chamber 111 that optionally opens and closes through door (figure does not show) is arranged in the cavity of microwave oven assembly 110.The porous portion 115 of shape form is arranged in the upper plate 113 of cavity assembly 110 to have a plurality of holes that penetrate upper plate 113 in the form of a substantially rectangular.
The light of the heater assembly 121 that porous portion 115 allows to will be described below and/or heat are fed in the culinary art chamber 111 via porous portion 115.At this moment, considering that the characteristics such as wavelength that are fed to the microwave of culinary art in the chamber 111 are designed with each hole of porous portion 115 prevents that microwave leakage from arriving outside diameter.
Heat guard 117 is installed on the upper plate 113 of cavity assembly 110.Heater peristome 118 is formed in the part of heat guard 117, promptly with porous portion 115 corresponding those parts in.Light that in heater assembly 121, produces and/or heat are fed in the culinary art chamber 111 via heater peristome 118.Heater peristome 118 forms the 115 corresponding rectangular shapes with porous portion.
In addition, heater pedestal 119 be arranged on the upper plate 113 with heater peristome 118 corresponding those parts on.Heater pedestal 119 is used for installing heater assembly 121.Heater pedestal 119 is configured as the form of rectangle frame.And, be arranged on the interior circumferential portion of heater pedestal 119 towards the extension rib 119R that extends below with predetermined length.
Heater pedestal 119 assembles with heater assembly 121.Heater assembly 121 produces predetermined energy, as the thermal source except that microwave.For example, heater assembly 121 is provided with heater, lamp etc., be used for through it being provided electric power produce light and/or heat, and light and/or heat is loaded in the thermal source of the food in the culinary art chamber 111 as heating.In the present invention, using heater assembly 121 is that intention comprises that all being used to except microwave produces the device of energy that can heat food.
Heater assembly 121 is provided with heater H 1 and H1 ', is used for through it being provided electric power produce light and/or heat.In the present invention, can use heater such as any kind of Halogen lamp LED or ceramic heater as heater H 1 and H1 ', as long as through it being provided electric power just can make it produce light or heat.Heater H 1 and H1 ' are fixed on the upper surface that is configured as rectangle frame form of heating regime device support 123.Upper surface, adjacent heater peristome 118 that heater support 123 is installed to heat guard 117 together with the heater H 1 and the H1 ' on surface fixed thereon.
Reflecting plate 125 is arranged on the top of heater H 1 and H1 '.Being mounted to the reflecting plate 125 that impales heater H 1 and H1 ' from the top is used for the light and/or the heat of heater H 1 and H1 ' generation are reflexed in the culinary art chamber 111 with porous portion 115 via heater peristome 118.In addition, reflecting plate 125 is formed with a plurality of air vent 125H that are used to cool off heater H 1 and H1 '.
Porous portion 115 realizes that simultaneously the light and heat that allows in heater, to produce enters into the function of culinary art chamber 111 and prevents to be fed to the function of the microwave leakage of culinary art chamber to the outside.That is, be designed to suitable size, can prevent to have the leakage of the microwave of predetermined wavelength through circular port with porous portion 115.Such porous cage structure itself is applied to the devices such as door of micro-wave oven.And the microwave that leaks from porous portion 115 is stopped through the following obstruction member of the present invention 131 that will describe more safely.
In addition, a pair of radome 127 and 129 is installed in the top of reflecting plate 125.The microwave that radome 127 and 129 prevents to be applied in the culinary art chamber 111 leaks with heater peristome 118 via porous portion 115.
Simultaneously, obstruction member 131 is arranged between heat guard 117 and the heater assembly 121.Obstruction member 131 is installed on the heater pedestal 119 of heat guard 117, thereby the clearance leakage between to prevent to be applied to microwave in the culinary art chamber 111---be heater peristome 118---via heater assembly 121 and heater pedestal 119 is to the outside.
Shown in Fig. 2 was concrete, obstruction member 131 formed rectangular shape and is used to cover heater peristome 118.In obstruction member 131, form hollow bulb 133.Light and/or heat that hollow bulb 133 allows in heater H 1 and H1 ', to produce are fed in the culinary art chamber 111.
The shape and size that hollow bulb 133 forms are corresponding with heater peristome 118.And blocking part 135 is arranged on the interior circumferential portion of hollow bulb 133.Blocking part 135 from the interior circumferential portion of hollow bulb 133 towards extending below.When obstruction member 131 joined with heater pedestal 119 couplings, blocking part 135 was inserted in the peristome 118 of heater pedestal 119 and the contiguous rib 119R location of extending.
Blocking part 135 forms and includes rectangle protuberance (barriers) and the recess that on the interior week of hollow bulb 133, sequentially is arranged alternately with predetermined space.Prevent that through blocking part 135 microwave leakage from being known, therefore will omit detailed description it.
Be applied between size and the barriers of the barriers on the door is to rely on the wavelength of microwave and the size of peristome to confirm at interval.Usually, barriers is designed to make that the width of barriers approximately is between 12.0mm and the barriers is 7.0mm to 8.0mm at interval.Barriers is long more, then can get over and prevent microwave leakage effectively.Yet barriers is usually designed to about 6.5mm.
Therefore, in this embodiment, considered that the shape and size of heater peristome 118 design blocking part 135.And naturally, the barriers through blocking part 135 and the shape of recess, size etc. can prevent microwave leakage basically.Yet, because the interior circumferential portion of heater pedestal 119 is provided with towards the extension rib 119R that extends below, so design blocking part 135 to such an extent that be longer than and extend rib 119R.
And in this embodiment, thereby obstruction member 133 is arranged between heater pedestal 119 and the heater assembly 121 blocking part 135 is pointed to down.Yet, make blocking part 135 point to up through also can obstruction member 133 being mounted to from state Rotate 180 degree illustrated in figures 1 and 2.
Hereinafter, with describing the operation of first embodiment of device that constructed according to the invention being used to prevents the microwave leakage of micro-wave oven in detail.
At first, the heat guard 117 that heater pedestal 119 has been installed in advance therein is assembled to the upper plate 113 of cavity assembly 110.At this moment, in the process that heat guard 117 is installed, the porous portion 115 of upper plate 113 places the position that corresponds to each other with the heater peristome 118 of heat guard 117.
In this state, obstruction member 131 is fixed to heat guard 117, essence is to be fixed on the heater pedestal 119.At this moment, obstruction member 131 is fixed to heat guard 117, makes the blocking part 135 of obstruction member 131 place the zone of porous portion 115 and heater peristome 118.
Then, the heater support 123 that will assemble heater H 1 and H1 ' and reflecting plate 125 in advance places on the heater pedestal 119 and heater peristome 118 corresponding parts.Then, use screw S1 that the upper plate 113 of radome 127 and 129, reflecting plate 125, obstruction member 131, heat guard 117 and cavity assembly 110 is secured to one another, thereby accomplish assembling.
Simultaneously, after accomplishing assembling, can prevent that the blocking part 135 of microwave leakage is arranged on the inner surface of heater peristome 118.So in the process of using microwave cooking food in culinary art chamber 111, the blocking part 135 of obstruction member 131 can prevent reliably that microwave is from the clearance leakage between heater peristome 118 and the heater assembly 121.
[embodiment]
Hereinafter, will describe second embodiment that is used to prevent the device of microwave leakage according to of the present invention in detail with reference to accompanying drawing.
Fig. 3 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of second embodiment of the device that is used to prevent microwave leakage of the present invention.
As shown in the figure, on the upper plate 213 of the cavity assembly 210 that is provided with the culinary art chamber 211 that is used for cooking food, be formed with heater peristome 215.In addition, be provided with heater pedestal 219 with heater peristome 215 corresponding parts on the upper plate 213.
Heater pedestal 219 assembles with heater assembly 221.In this embodiment, heater assembly 221---it is identical with the structure of aforementioned first embodiment with 229 structure with H2 ', heater support 223, reflecting plate 225 and radome 227 to be heater H 2.Heater assembly 221 usefulness screw S2 fix.
At this moment, obstruction member 231 is arranged between upper plate 213 and the heater assembly 221, comes down between heater pedestal 219 and heater assembly 221.Be used to prevent to be applied to the microwave leakage of cooking chamber 211 with obstruction member 231 identical in first embodiment.That is, obstruction member 231 is formed with and peristome 215 corresponding hollow bulbs 233.In addition, blocking part 235 from the interior circumferential portion of hollow bulb 233 towards extending below.
That is, compare, omitted porous portion and heat guard in this embodiment with aforesaid first embodiment.Therefore; Be arranged in the heat guard calandria pedestal different in first embodiment; In this embodiment calandria pedestal 219 is fixed on the upper plate 213; And different with the formation heater peristome in heat guard in first embodiment, in upper plate 213, form heater peristome 215 in this embodiment.In addition, obstruction member 231 is arranged on heater assembly 221 and is arranged between the pedestal 219 in the upper plate 213.
Next, will describe the 3rd embodiment that is used to prevent the device of microwave leakage according to of the present invention in detail with reference to accompanying drawing.
Fig. 4 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 3rd embodiment of the device that is used to prevent microwave leakage of the present invention.
As shown in the figure, the culinary art chamber that optionally opens and closes through door (figure does not show) is set in cavity of microwave oven assembly 310.And the upper plate 313 of cavity assembly 310 is formed with porous portion 315, forms a plurality of holes in this porous portion 315.The light of the heater assembly 321 that porous portion 315 allows to will be described below and/or heat are fed in the culinary art chamber 311 via porous portion 315.
Upper plate 313 assembles with heat guard 317.Heater peristome 318 is formed in the face of heat guard 317.When being installed to upper plate 313 last time heater peristome 318, heat guard 317 places 315 corresponding positions with porous portion.So the light of heater assembly 321 and/or heat are fed in the culinary art chamber 311 with heater peristome 318 via porous portion 315.
Heater pedestal 319 is installed on the heat guard 317 the corresponding part of interior circumferential portion with heater peristome 318.Heater pedestal 319 is parts of actual installation heater assembly 321.In addition, blocking part 320 is arranged on the interior circumferential portion of heater pedestal 319.Blocking part forms and the identical shape of aforementioned first embodiment, thereby the microwave that is used for preventing to be applied to culinary art chamber 311 is via the clearance leakage between heater pedestal 319 and the heater assembly 321.
That is, in this embodiment, blocking part 320 is not formed on the additional member and is formed on the heater pedestal 319.Therefore different with aforementioned first embodiment; According to this embodiment; Be not provided with the additional barriers member of blocking part 320, thus, utilize simpler structure to prevent to be applied to microwave in the culinary art chamber 311 via the clearance leakage between heater pedestal 319 and the heater assembly 321.
In addition, heater pedestal 319 is provided with heater assembly 321.Via heater peristome 318 and porous portion 315 light and/heater assembly 321 that heat is fed in the culinary art chamber 311 are comprised heater H 3 and H3 ', heater support 323, reflecting plate 325 and radome 327 and 329, in these elements and the aforementioned embodiments identical and therefore omission to its description.
To describe the 4th embodiment that is used to prevent the device of microwave leakage according to of the present invention in detail with reference to accompanying drawing.
Fig. 5 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 4th embodiment of the device that is used to prevent microwave leakage of the present invention.
As shown in the figure, culinary art chamber 411 is arranged in the cavity of microwave oven assembly 410.In addition, porous portion 415 be arranged on the upper plate 413 of cavity assembly 410 with corresponding of the top board of culinary art chamber 411 in.And heat guard 417 is installed on the upper surface of upper plate 413, and heater peristome 418 is formed in the face of heat guard 417.In addition, heat guard 417 is provided with heater pedestal 419, and heater pedestal 419 is provided with in it circumferential portion towards the extension rib 419R that extends below.
Heater pedestal 419 assembles with heater assembly 421.Heater assembly 421 comprises a pair of heater H 4 and H4 ', heater support 423, reflecting plate 425 and radome 427 and 429.Since this embodiment these the structure with aforementioned first embodiment in identical, so will omit detailed description to them.
Yet, in this embodiment, prevent to be applied to the microwave that is used for heat food in the culinary art chamber 411 is arranged on the edge of heater support 423 via the blocking part 424 of the clearance leakage between heater pedestal 419 and the heater assembly 421 bottom surface.
That is, blocking part 424 forms the barriers that makes from the interior circumferential portion of heater support 424 towards the rectangular shape that extends below and is arranged alternately according to priority with the interval of being scheduled to recess.Therefore, blocking part 424 places in the heater peristome 418.The shape and size of confirming blocking part 424 according to the shape and size of heater peristome 418 are more effectively to prevent microwave leakage.
In other words, in this embodiment, owing to blocking part 424 and heater support 423 form as one, so do not need like the additional member that blocking part is set in aforementioned the 3rd embodiment.So, utilize simpler structure to prevent to be applied to the leakage of the microwave in the culinary art chamber 411.
To describe the 5th embodiment that is used to prevent the device of microwave leakage according to of the present invention in detail with reference to accompanying drawing.
Fig. 6 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 5th embodiment of the device that is used to prevent microwave leakage of the present invention.
As shown in the figure, in this embodiment, culinary art chamber 511 is arranged in the cavity assembly 510, and porous portion 515 is arranged in the face of upper plate 513 of cavity assembly 510.And the heat guard 517 that is formed with heater peristome 518 is installed on the upper surface of upper plate 513.In addition, heat guard 517 is provided with the heater pedestal 519 that is used for fixing heater assembly 521.
Simultaneously, heater assembly 521 comprises a pair of heater H 5 and H5 ', heater support 523, reflecting plate 525 and radome 527 and 529.In this embodiment, heater support 523 roughly forms " I " shape.The purpose of doing like this is for the blocking part 528 process heater support 523 that allow will be described below and is placed in the heater peristome 518.Therefore, heater support 523 can be shaped as rectangle frame form of the prior art, and in reflecting plate 525, can be formed for allowing the therefrom slit of process of blocking part 528.
In addition, in this embodiment, the radome 527 that is positioned at relatively low position in the radome 527 and 529 is provided with blocking part 528.The microwave that is used for heat food that blocking part 528 is used for preventing to be applied to culinary art chamber 511 is via the clearance leakage between heater pedestal 519 and the heater assembly 521.Blocking part 528 from the bottom surface at the edge of radome 527 towards extend below, through the both sides of heater support 523 and place in the heater peristome 518.
That is, in this embodiment, blocking part 528 forms as one with radome 527.Thereby, such as aforesaid the 3rd embodiment and the 4th embodiment, utilize simple structure just can prevent to be applied to the leakage of the microwave in the culinary art chamber 511.
To describe the 6th embodiment that is used to prevent the device of microwave leakage according to of the present invention in detail with reference to accompanying drawing.
Fig. 7 shows the three-dimensional exploded view that has according to the major part of the micro-wave oven of the 6th embodiment of the device that is used to prevent microwave leakage of the present invention.
As shown in the figure, culinary art chamber 611 is arranged in the cavity of microwave oven assembly 610.The culinary art chamber 611 of heat food optionally opens and closes through door (figure does not show) therein.In addition, the upper plate 613 of cavity assembly 610 is formed with heater peristome 615.Heater peristome 615 cuts away through the part with upper plate 613 and rectangular shaped formation.
In this embodiment, blocking part 616 is arranged on the interior circumferential portion of heater peristome 615.The microwave that blocking part is used for preventing being applied to culinary art chamber 611 via the clearance leakage between heater peristome 615 and the heater assembly 621 that will be described below to the outside.Blocking part 616 can roughly form as one with upper plate 613.Promptly; In the process of a part with formation heater peristome 615 of cutting upper plate 613; Being cut into the corresponding part of interior circumferential portion of heater peristome 615 on the upper plate 613 makes the barriers of rectangular shape and recess be arranged alternately; Then that the barriers decurvation is extremely vertical with upper plate 613, form blocking part 616 thus.
Simultaneously, upper plate 613 is provided with heater assembly 621.Light and/or heat that heater assembly 621 will be used for heat food are fed to culinary art chamber 611.Here, comprise that the structure of heater H 6 and H6 ', heater support 623, reflecting plate 625 and radome 627 and 629 heater assembly 621 is identical with the structure of aforementioned first embodiment, thereby omitted detailed description them.
Like aforesaid the 3rd to the 5th embodiment, in this embodiment, also can omit the additional member that has blocking part.That is, according to this embodiment, blocking part 616 forms as one with upper plate 613, can prevent the leakage of microwave thus with simple mode.
Scope of the present invention is not restricted to above-mentioned embodiment, but is defined by the claims.Significantly, those of skill in the art can make multiple remodeling and variation in the scope of the present invention that limits through claim.

Claims (8)

1. device that is used to prevent the microwave leakage of micro-wave oven comprises:
On upper surface, be formed with the cavity assembly of porous portion, the heat energy that in energy producing unit, produces is fed in the culinary art chamber that is arranged in the said cavity assembly through said porous portion;
Heat guard; It is installed on the upper surface of said cavity assembly and is provided with peristome and heater pedestal; Said peristome is corresponding with said porous portion, said heater pedestal be used to that said energy producing unit is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below;
Cover, it is arranged on the side of said cavity assembly in order to cover said porous portion; And
Obstruction member, it is arranged between said heat guard and the said cover in order to preventing that the microwave that is fed in the said culinary art chamber from leaking via said peristome,
Wherein, Said obstruction member is formed with and the corresponding hollow bulb of said peristome; And the interior circumferential portion of said hollow bulb is provided with blocking part; Said blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space, and said blocking part is inserted in the said peristome and contiguous said extension rib location.
2. device that is used to prevent the microwave leakage of micro-wave oven comprises:
On upper surface, be formed with the cavity assembly of porous portion, heat energy is fed in the culinary art chamber that is arranged in the said cavity assembly through said porous portion;
Energy producing unit, it is installed on the top part of said porous portion and produces via said porous portion and is fed to the heat energy in the said culinary art chamber;
Heat guard; It is installed on the upper surface of said cavity assembly and is provided with peristome and heater pedestal; Said peristome is corresponding with said porous portion, said heater pedestal be used to that said energy producing unit is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below;
Cover, it is arranged on the side of said cavity assembly in order to cover said porous portion; And
Obstruction member, it is arranged between the one side and said energy producing unit of said cavity assembly, and the microwave that said obstruction member prevents to be applied in the said culinary art chamber arrives the outside via the clearance leakage between said cavity assembly and the said energy producing unit,
Wherein, Said obstruction member is formed with and the corresponding hollow bulb of said peristome; And the interior circumferential portion of said hollow bulb is provided with blocking part; Said blocking part is formed with a plurality of barriers and the recess that sequentially is arranged alternately with predetermined space, and said blocking part is inserted in the said peristome and contiguous said extension rib location.
3. device that is used to prevent the microwave leakage of micro-wave oven comprises:
The cavity assembly wherein is provided with the culinary art chamber and on the upper surface of said cavity assembly, is formed with porous portion;
Energy producing unit, it is installed on the top part of said porous portion and produces via said porous portion and is fed to the heat energy in the said culinary art chamber;
Heat guard; It is installed on the upper surface of said cavity assembly and is provided with peristome and heater pedestal; Said peristome is corresponding with said porous portion, said heater pedestal be used to that said energy producing unit is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below; And
Obstruction member, it is arranged between said heat guard and the said energy producing unit, and the microwave that said obstruction member prevents to be applied in the said culinary art chamber arrives the outside via the clearance leakage between said cavity assembly and the said energy producing unit,
Wherein, Said obstruction member is formed with and the corresponding hollow bulb of said peristome; And the interior circumferential portion of said hollow bulb is provided with blocking part; Said blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space, and said blocking part is inserted in the said peristome and contiguous said extension rib location.
4. like each described device in the claim 1 to 3, wherein, said energy producing unit is to comprise being used for producing light or at least one heater of heat or the heater assembly of lamp that is fed to said culinary art chamber.
5. device that is used to prevent the microwave leakage of micro-wave oven comprises:
The cavity assembly wherein is provided with on the upper surface of culinary art chamber and cavity assembly and is formed with the porous portion that is communicated with said culinary art chamber;
Heat guard; It is installed on the upper surface of said cavity assembly and is provided with heater peristome and heater pedestal; Said heater peristome is corresponding with said porous portion, said heater pedestal be used to that heater assembly is installed and have the interior circumferential portion that is arranged on this heater pedestal and with predetermined length towards the extension rib that extends below; And
Said heater assembly; It is installed on the top part of said heater peristome; Generation is fed to the heat energy in the said culinary art chamber, and is provided with and is used for preventing to be fed to the blocking part of the microwave of said culinary art chamber via the clearance leakage between said cavity assembly and the said heater assembly
Wherein, said blocking part is formed by a plurality of barriers and the recess that sequentially are arranged alternately with predetermined space, and said blocking part is inserted in the said heater peristome and contiguous said extension rib location.
6. device as claimed in claim 5, wherein, said heater assembly comprises: at least one heater that is used to produce light or heat; Heater support, it is fixed on the surface of said cavity assembly together with the said heater that is fixed on the said heater support; And reflecting plate, be used for the light of said heater or heat reflection to said culinary art chamber; And said blocking part and said heater support or said reflecting plate form as one.
7. device as claimed in claim 5, wherein, said heater assembly comprises: at least one heater that is used to produce light or heat; Heater support, it is fixed on the surface of said cavity assembly together with the said heater that is fixed on the said heater support; Reflecting plate is used for the light of said heater or heat reflection to said culinary art chamber; And covering member, be used to cover said heater peristome and said heater, said heater support and said reflecting plate; And said blocking part and said covering member form as one.
8. device that is used to prevent the microwave leakage of micro-wave oven comprises:
The cavity assembly wherein is provided with culinary art chamber and food and in said culinary art chamber, heats, and said cavity assembly is formed with porous portion on the surface above that;
Heater assembly, it is formed on the side of said cavity assembly in order to the light that will be used for heat food or heat and is fed to said culinary art chamber via the said porous portion that is communicated with said culinary art chamber;
Heat guard, it is installed on the upper surface of said cavity assembly and is provided with heater peristome and heater pedestal, and said heater peristome is corresponding with said porous portion, and said heater pedestal is used to install heater assembly; And
Prevent leakage device, be used to prevent microwave via the clearance leakage between said cavity assembly and the said heater assembly,
Wherein, the said blocking part that prevents that leakage device is arranged on the interior circumferential portion of said heater pedestal and form by a plurality of barriers that sequentially are arranged alternately with predetermined space and recess.
CN2006800239622A 2005-07-12 2006-07-12 Device for preventing leakage of microwave for microwave oven Expired - Fee Related CN101213406B (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
KR1020050062956 2005-07-12
KR10-2005-0062954 2005-07-12
KR1020050062956A KR20070008044A (en) 2005-07-12 2005-07-12 Device for preventing leakage of microwave for microwave oven
KR1020050062954 2005-07-12
KR10-2005-0062956 2005-07-12
KR1020050062954A KR20070008043A (en) 2005-07-12 2005-07-12 Device for preventing leakage of microwave for microwave oven
PCT/KR2006/002745 WO2007008038A1 (en) 2005-07-12 2006-07-12 Device for preventing leakage of microwave for microwave oven

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JP2010048441A (en) * 2008-08-20 2010-03-04 Panasonic Corp Cooker
DE602009001243D1 (en) * 2009-05-29 2011-06-16 Electrolux Home Prod Corp Microwave oven with at least one inductor system
KR20220096970A (en) * 2020-12-31 2022-07-07 엘지전자 주식회사 Cooking device

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