CN104456661A - Doorframe assembly for microwave oven, oven door assembly with assembly, and microwave oven - Google Patents
Doorframe assembly for microwave oven, oven door assembly with assembly, and microwave oven Download PDFInfo
- Publication number
- CN104456661A CN104456661A CN201310430601.1A CN201310430601A CN104456661A CN 104456661 A CN104456661 A CN 104456661A CN 201310430601 A CN201310430601 A CN 201310430601A CN 104456661 A CN104456661 A CN 104456661A
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- plate
- micro
- wave oven
- doorframe
- frame members
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/6414—Aspects relating to the door of the microwave heating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/02—Doors specially adapted for stoves or ranges
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a doorframe assembly for a microwave oven, an oven door assembly with the assembly, and the microwave oven. The doorframe assembly comprises a doorframe and a flow choking structure, the flow choking structure is arranged in the periphery of a doorframe, the flow choking structure comprises an extension palate outward extending from the lower surface of the doorframe and a flow choking plate comprising a first plate, a second plate and a third plate, the first plate upward extends from the outer periphery of the extension plate, the second plate is connected with the first plate and extends toward the doorframe, the third plate is connected with the second plate and extends downward, and a flow choking groove is formed among the extension plate, the flow choking plate and the peripheral surface of the doorframe. The doorframe assembly reduces the wave leakage of the microwave oven by arranging the third plate, and has a good flow choking effect to effectively avoid the leakage of microwaves to the outside in order to improve the safety performance of the microwave oven.
Description
Technical field
The present invention relates to Microwave IC field, especially relate to a kind of frame members for micro-wave oven and there is its fire door assembly, micro-wave oven.
Background technology
There is leaky wave hidden danger in traditional micro-wave oven.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of frame members for micro-wave oven, and the described frame members for micro-wave oven effectively can reduce the leaky wave of micro-wave oven.
Another object of the present invention is to propose a kind of fire door assembly with above-mentioned frame members.
Another object of the present invention is to propose a kind of micro-wave oven with above-mentioned fire door assembly.
The frame members for micro-wave oven according to a first aspect of the present invention, comprising: doorframe; And choke structure, described choke structure is located on the periphery of described doorframe, and described choke structure comprises: extension board, and described extension board stretches out from the lower surface of described doorframe; And intercepter, described intercepter comprises the first plate, the second plate and the 3rd plate, described first plate upwards extends from the neighboring of described extension board, described second plate is connected with described first plate and extends towards described doorframe, described 3rd plate is connected with described second plate and to downward-extension, described extension board, limits choke groove between described intercepter and the outer surface of described doorframe.
The frame members for micro-wave oven according to a first aspect of the present invention, by arranging the 3rd plate, micro-wave oven leaky wave can be reduced, and frame members has good chokes effect, thus efficiently avoid microwave leakage to outside micro-wave oven, and then improve the security performance of micro-wave oven.In addition, the structure of frame members is simple, and convenient processing.
Preferably, on the cross section of described choke structure, the length sum of described extension board, described first plate, described second plate, described 3rd plate and described doorframe is roughly the even-multiple of 1/4th of the microwave wavelength λ in described micro-wave oven.
Alternatively, described first plate is vertical with described second plate.Thus, can realize better contacting between frame members and the body of heater of micro-wave oven, and frame members can be made to have better chokes effect.
Alternatively, described 3rd plate is vertical with described second plate.
Further, on the cross section of described choke structure, the length of described 3rd plate is L3, and described L3 is configured to: L3=λ/27, and wherein, λ is the microwave wavelength in described micro-wave oven.
Further, on the cross section of described choke structure, the length of described second plate is L2, and the length of the outer surface of described doorframe is that L5, L2 and L5 are configured to: L2+L5=λ/4, and wherein, λ is the microwave wavelength in described micro-wave oven.
Again further, on the cross section of described choke structure, the length of described first plate is L1, and the length of described extension board is that L4, L1 and L4 are configured to: L1+L4=λ/4, and wherein, λ is the microwave wavelength in described micro-wave oven.
Alternatively, rounding off between the outer surface of described extension board and described doorframe.
The fire door assembly for micro-wave oven according to a second aspect of the present invention, comprising: housing, the rear open of described housing; According to the frame members for micro-wave oven of the above-mentioned first aspect of the present invention, described frame members is removably located in described housing; And cover plate, described cover plate is removably located at the rear side of described frame members to cover described choke structure.
The fire door assembly for micro-wave oven according to a second aspect of the present invention, by arranging the frame members of above-mentioned first aspect, has good chokes effect.
Micro-wave oven according to a third aspect of the present invention, comprising: body of heater, and the front side of described body of heater is opened wide; With the fire door assembly for micro-wave oven according to the above-mentioned second aspect of the present invention, described fire door assembly is located on described body of heater pivotly to open or close described body of heater.
Micro-wave oven according to a third aspect of the present invention, by arranging the fire door assembly of above-mentioned second aspect, effectively can prevent microwave leakage in micro-wave oven out, thus working the mischief to human body.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the stereogram of the frame members according to the embodiment of the present invention;
Fig. 2 is the profile of the choke structure of the frame members shown in Fig. 1;
Fig. 3 is the partial schematic diagram of the frame members shown in Fig. 1.
Reference numeral:
100: frame members;
1: doorframe; 11: contact site; 111: the outer surface of doorframe;
2: choke structure; 21: extension board;
221: the first plates; 222: the second plates; 223: the three plates;
23: breach.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " transverse direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
The frame members 100 for micro-wave oven of embodiment is according to a first aspect of the present invention described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1, the frame members 100 for micro-wave oven of embodiment according to a first aspect of the present invention, comprising: doorframe 1 and choke structure 2, wherein choke structure 2 is located on the periphery of doorframe 1.
Such as in the example of fig. 1, doorframe 1 is roughly rectangle, and choke structure 2 is connected in the circumference of doorframe 1.Alternatively, choke structure 2 and doorframe 1 one-body molded.
With reference to Fig. 1 and Fig. 3, choke structure 2 comprises: extension board 21 and intercepter, extension board 21 stretches out from the lower surface of doorframe 1, intercepter comprises the first plate 221, second plate 222 and the 3rd plate 223, first plate 221 upwards extends from the neighboring of extension board 21, second plate 222 is connected with the first plate 221, and the second plate 222 extends towards doorframe 1,3rd plate 223 is connected with the second plate 222, and the 3rd plate 223 is to downward-extension, between the outer surface 111 of extension board 21, intercepter and doorframe 1, limit choke groove.
Such as in the example of Fig. 1 and Fig. 3, extension board 21 horizontally outward extends from the lower end of the periphery wall of doorframe 1, one end (lower end such as shown in Fig. 2) of first plate 221 is connected with the free end (outer end such as shown in Fig. 2) of extension board 21, the other end (upper end such as shown in Fig. 2) extends straight up, now the first plate 221 can be vertical with extension board 21, one end (outer end such as shown in Fig. 2) of second plate 222 is connected with the free end (upper end such as shown in Fig. 2) of the first plate 221, the other end (the inner such as shown in Fig. 2) extends towards the direction at doorframe 1 center, one end (upper end such as shown in Fig. 2) of 3rd plate 223 is connected with the free end (the inner such as shown in Fig. 2) of the second plate 222, the other end is to downward-extension, be spaced from each other between 3rd plate 223 and the periphery wall of doorframe 1 certain distance, the outer surface 111 of such doorframe 1, the choke groove for shield microwaves is jointly limited between extension board 21 and intercepter.Alternatively, the 3rd plate 223 can be formed by the second plate 222 bending.Here, it should be noted that, direction " outward " can be understood as the direction away from doorframe 1 center, and its rightabout is defined as " interior ", namely towards the direction at doorframe 1 center.
Further, intercepter is provided with goes up isolated multiple breach 23 along its length, and breach 23 runs through the 3rd plate 223 and the second plate 222, and runs through a part for the first plate 221 and end at the junction of contiguous first plate 221 and extension board 21.Such as in the example of Fig. 1 and Fig. 3, multiple breach 23 is formed uniformly on intercepter, now intercepter is divided into multiple chokes portion by multiple breach 23, breach 23 runs through the 3rd plate 223 and the second plate 222 completely, and the part running through the first plate 221 also and between extension board 21 keeps certain distance, thus, can be implemented in micro-wave screening effect good in wider frequency band range.
The frame members 100 for micro-wave oven of embodiment according to a first aspect of the present invention, by arranging the 3rd plate 223, micro-wave oven leaky wave can be reduced, and frame members 100 has good chokes effect, thus efficiently avoid microwave leakage to outside micro-wave oven, and then improve the security performance of micro-wave oven.In addition, the structure of frame members 100 is simple, and convenient processing.
In one embodiment of the invention, on the cross section of choke structure 2, the length sum of extension board 21, first plate 221, second plate 222, the 3rd plate 223 and doorframe 1 is roughly the even-multiple of 1/4th of the microwave wavelength λ in micro-wave oven.
That is, with reference to Fig. 2 and Fig. 3, on the cross section of choke structure 2, the periphery wall length in the vertical direction of doorframe 1, the length of extension board 21 in inward-outward direction, the first plate 221 length in the vertical direction, the length of the second plate 222 in inward-outward direction, the 3rd plate 223 length in the vertical direction, these five length sums are roughly the even-multiple of 1/4th of microwave wavelength λ in micro-wave oven.
It will be appreciated that, " extension board 21, first plate 221, second plate 222, the length sum of the 3rd plate 223 and doorframe 1 is roughly the even-multiple of 1/4th of the microwave wavelength λ in micro-wave oven " can be understood as extension board 21, first plate 221, second plate 222, the length sum of the 3rd plate 223 and doorframe 1 is equal to the even-multiple of 1/4th of the microwave wavelength λ in micro-wave oven, or extension board 21, first plate 221, second plate 222, microwave wavelength λ in the length sum of the 3rd plate 223 and doorframe 1 and micro-wave oven 1/4th the difference of even-multiple within the scope of very little one.
According to transmission line theory, the length sum of extension board 21, first plate 221, second plate 222, the 3rd plate 223 and doorframe 1 is about the even-multiple of 1/4th of the microwave wavelength λ in micro-wave oven, the fire door assembly of micro-wave oven and the body of heater header board contact position of micro-wave oven realize opening a way, the sliding door leaky wave of micro-wave oven can be reduced to 0.26W(watt according to the frame members 100 of the embodiment of the present invention like this) below, load leaky wave is reduced to below 0.18W, thus can better meets actual requirement.
Alternatively, the first plate 221 is vertical with the second plate 222.Such as in the figure 2 example, the angle between the first plate 221 and the second plate 222 is 90 °, and further, round-corner transition between the first plate 221 and the second plate 222, now the size of fillet can design according to frame members 100 structure of reality.Thus, can realize better contacting between frame members 100 and the body of heater of micro-wave oven, and frame members 100 can be made to have better chokes effect.
Alternatively, the 3rd plate 223 is vertical with the second plate 222.Such as in the figure 2 example, the angle between the 3rd plate 223 and the second plate 222 is 90 °, and further, round-corner transition between the 3rd plate 223 and the second plate 222, now the size of fillet can design according to frame members 100 structure of reality.
Further, on the cross section of choke structure 2, the length of the 3rd plate 223 is that L3, L3 are configured to:
L3=λ/27
Wherein, λ is the microwave wavelength in micro-wave oven.
Such as in the example of Fig. 2 and Fig. 3, on the cross section of choke structure 2, the 3rd plate 223 length L3 is in the vertical direction roughly λ/27, and now λ is the microwave wavelength in micro-wave oven.Here, it should be noted that, " L3 is roughly λ/27 " can be understood as the 3rd plate 223 length L3 in the vertical direction and is equal to λ/27, or the difference between the 3rd plate 223 length L3 and λ/27 is in the vertical direction within the scope of very little one.
Further, on the cross section of choke structure 2, the length of the second plate 222 is L2, and the length of the outer surface 111 of doorframe 1 is that L5, L2 and L5 are configured to:
L2+L5=λ/4
Wherein, λ is the microwave wavelength in micro-wave oven.
Such as in the example of Fig. 2 and Fig. 3, on the cross section of choke structure 2, the length of the second plate 222 in inward-outward direction is L2, and outer surface 111 length in the vertical direction of doorframe 1 is L5, and the length sum L2+L5 of the outer surface 111 of the second plate 222 and doorframe 1 is roughly λ/4.Alternatively, the length L5 of the outer surface 111 of doorframe 1 can be greater than the length L2 of the second plate 222.Here, it should be noted that, the length sum L2+L5 that " L2+L5 is roughly λ/4 " can be understood as the outer surface 111 of the second plate 222 and doorframe 1 is equal to λ/4, or the difference between length sum L2+L5 and λ/4 of the outer surface 111 of the second plate 222 and doorframe 1 is within the scope of very little one.It is to be appreciated that the concrete numerical value of the length L5 of the length L2 of the second plate 222, the outer surface 111 of doorframe 1 can be arranged according to actual requirement, to meet actual requirement better.
Again further, on the cross section of choke structure 2, the length of the first plate 221 is L1, and the length of extension board 21 is that L4, L1 and L4 are configured to:
L1+L4=λ/4
Wherein, λ is the microwave wavelength in micro-wave oven.
Such as in the example of Fig. 2 and Fig. 3, on the cross section of choke structure 2, the first plate 221 length is in the vertical direction L1, and the length of extension board 21 in inward-outward direction is L4, and the length sum L1+L4 of the first plate 221 and extension board 21 is roughly λ/4.Alternatively, the length L1 of the first plate 221 can be greater than the length L4 of extension board 21.Here, it should be noted that, the length sum L1+L4 that " L1+L4 is roughly λ/4 " can be understood as the first plate 221 and extension board 21 is equal to λ/4, or the difference between length sum L1+L4 and λ/4 of the first plate 221 and extension board 21 is within the scope of very little one.It is to be appreciated that the concrete numerical value of the length L1 of the first plate 221, the length L4 of extension board 21 can be arranged according to actual requirement, to meet actual requirement better.
Alternatively, rounding off between the outer surface 111 of extension board 21 and doorframe 1.Such as, can be smoothly transitted by fillet between the outer surface 111 of extension board 21 and doorframe 1, as shown in Figures 2 and 3, now the size of fillet can design according to frame members 100 structure of reality.
The fire door assembly for micro-wave oven (scheming not shown) of embodiment, comprises housing, cover plate and the frame members 100 for micro-wave oven according to the above-mentioned first aspect embodiment of the present invention according to a second aspect of the present invention.
The rear open of housing.In one of them example of the present invention, the rear open of housing, the central authorities of housing can be formed with the first opening run through along the longitudinal direction, first opening part can be provided with clear glass part, on doorframe 1, the position of corresponding first opening can be formed with the second opening, second opening part can be provided with narrow meshed plate, and user can run through the cooking status of food in micro-wave oven through the plate on the clear glass part of housing central authorities and doorframe 1.
Frame members 100 is removably located in housing.Such as in the example of fig. 1, the upper surface of doorframe 1 is provided with the contact site 11 of annular, and contact site 11 coaxially can be arranged with the second opening, contact site 11 for the body of heater being positioned at micro-wave oven on front side of header board fit, thus prevent the microwave leakage in micro-wave oven.
Cover plate is removably located at the rear side of frame members 100 to cover choke structure 2.In one of them example of the present invention, the front surface of cover plate can be provided with along its periphery to the accommodation limit groove (scheming not shown) be recessed into, when cover plate and frame members 100 coordinate, choke structure 2 can be contained in and hold in the groove of limit.
The fire door assembly for micro-wave oven of embodiment according to a second aspect of the present invention, by arranging the frame members 100 of above-mentioned first aspect embodiment, has good chokes effect.
The micro-wave oven (scheming not shown) of embodiment according to a third aspect of the present invention, comprises body of heater and the fire door assembly for micro-wave oven according to the above-mentioned second aspect embodiment of the present invention.Wherein the front side of body of heater is opened wide, and fire door assembly is located on body of heater pivotly to open or close body of heater.
Such as in an example of the present invention, the front side of body of heater is opened wide, and fire door assembly is located at the front side of body of heater, and fire door assembly and body of heater limit chamber jointly, can place the food treating microwave in chamber.
The micro-wave oven of embodiment according to a third aspect of the present invention, by arranging the fire door assembly of above-mentioned second aspect embodiment, effectively can prevent microwave leakage in micro-wave oven out, thus working the mischief to human body.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. for a frame members for micro-wave oven, it is characterized in that, comprising:
Doorframe; With
Choke structure, described choke structure is located on the periphery of described doorframe, and described choke structure comprises:
Extension board, described extension board stretches out from the lower surface of described doorframe; With
Intercepter, described intercepter comprises the first plate, the second plate and the 3rd plate, and described first plate upwards extends from the neighboring of described extension board, and described second plate is connected with described first plate and extends towards described doorframe, described 3rd plate is connected with described second plate and to downward-extension
Described extension board, between described intercepter and the outer surface of described doorframe, limit choke groove.
2. the frame members for micro-wave oven according to claim 1, it is characterized in that, on the cross section of described choke structure, the length sum of described extension board, described first plate, described second plate, described 3rd plate and described doorframe is roughly the even-multiple of 1/4th of the microwave wavelength λ in described micro-wave oven.
3. the frame members for micro-wave oven according to claim 1, is characterized in that, described first plate is vertical with described second plate.
4. the frame members for micro-wave oven according to claim 1, is characterized in that, described 3rd plate is vertical with described second plate.
5. the frame members for micro-wave oven according to claim 4, is characterized in that, on the cross section of described choke structure, the length of described 3rd plate is L3, and described L3 is configured to:
L3=λ/27
Wherein, λ is the microwave wavelength in described micro-wave oven.
6. the frame members for micro-wave oven according to claim 5, is characterized in that, on the cross section of described choke structure, the length of described second plate is L2, and the length of the outer surface of described doorframe is that L5, L2 and L5 are configured to:
L2+L5=λ/4
Wherein, λ is the microwave wavelength in described micro-wave oven.
7. the frame members for micro-wave oven according to claim 6, is characterized in that, on the cross section of described choke structure, the length of described first plate is L1, and the length of described extension board is that L4, L1 and L4 are configured to:
L1+L4=λ/4
Wherein, λ is the microwave wavelength in described micro-wave oven.
8. the frame members for micro-wave oven according to any one of claim 1-7, is characterized in that, rounding off between the outer surface of described extension board and described doorframe.
9., for a fire door assembly for micro-wave oven, it is characterized in that, comprising:
Housing, the rear open of described housing;
The frame members for micro-wave oven according to any one of claim 1-8, described frame members is removably located in described housing; And
Cover plate, described cover plate is removably located at the rear side of described frame members to cover described choke structure.
10. a micro-wave oven, is characterized in that, comprising:
Body of heater, the front side of described body of heater is opened wide; With
Fire door assembly for micro-wave oven according to claim 9, described fire door assembly is located on described body of heater pivotly to open or close described body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430601.1A CN104456661B (en) | 2013-09-18 | 2013-09-18 | Frame members for micro-wave oven and fire door component, micro-wave oven with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310430601.1A CN104456661B (en) | 2013-09-18 | 2013-09-18 | Frame members for micro-wave oven and fire door component, micro-wave oven with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456661A true CN104456661A (en) | 2015-03-25 |
| CN104456661B CN104456661B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310430601.1A Active CN104456661B (en) | 2013-09-18 | 2013-09-18 | Frame members for micro-wave oven and fire door component, micro-wave oven with it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303686A (en) * | 2019-07-29 | 2021-02-02 | 青岛海尔特种电冰柜有限公司 | Choke structure, oven door with same and microwave oven |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003243150A (en) * | 2002-02-15 | 2003-08-29 | Mitsubishi Electric Corp | Choke structure of door for high-frequency heating device |
| CN101881473B (en) * | 2010-07-15 | 2012-08-29 | 广东格兰仕微波炉电器制造有限公司 | Microwave oven door structure |
| CN103256642B (en) * | 2013-03-13 | 2016-04-27 | 宁波方太厨具有限公司 | The device preventing microwave leakage of micro-wave oven |
| CN203501250U (en) * | 2013-09-18 | 2014-03-26 | 广东美的厨房电器制造有限公司 | Door frame assembly for microwave oven, oven door assembly provided with door frame assembly and microwave oven |
-
2013
- 2013-09-18 CN CN201310430601.1A patent/CN104456661B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303686A (en) * | 2019-07-29 | 2021-02-02 | 青岛海尔特种电冰柜有限公司 | Choke structure, oven door with same and microwave oven |
| CN112303686B (en) * | 2019-07-29 | 2023-10-10 | 青岛海尔特种电冰柜有限公司 | Choke structure, furnace door with same and microwave oven |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104456661B (en) | 2018-07-13 |
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