CN1274995C - Cooling device for door of microwave oven - Google Patents
Cooling device for door of microwave oven Download PDFInfo
- Publication number
- CN1274995C CN1274995C CN 02153120 CN02153120A CN1274995C CN 1274995 C CN1274995 C CN 1274995C CN 02153120 CN02153120 CN 02153120 CN 02153120 A CN02153120 A CN 02153120A CN 1274995 C CN1274995 C CN 1274995C
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- China
- Prior art keywords
- door
- doorframe
- oven
- controller
- microwave oven
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Abstract
The present invention relates to a cooling device for a stove door of a microwave oven. The cooling device comprises a doorframe, a door panel and a back cover, wherein the doorframe forms the front side of the oven door, a part of the doorframe forms a perforated structure; the door panel is arranged on the back side of the doorframe; the door panel comprises a projection mechanism and a plurality of vent holes, wherein the projection mechanism is exposed toward the front side of the microwave oven through a perforated part of the doorframe; the vent holes are formed along the edge of the projection mechanism; the back cover is arranged on the back side of the door panel, and is in contact with a cooking chamber; a controller used for operating the microwave oven is arranged on the front side of the door panel; the controller is exposed towards the upper part of the front side of the oven door. The cooling device simultaneously cools the inner side and the outer side of the oven door of a microwave oven, reduces burn on users caused by the heating of the oven door, enhances the product safety, cools the controller arranged on the oven door, avoids overheating of each component of the controller, and avoids failure caused by the overheating. Because the temperature of the oven door is low, the oven door can be made of materials with low heat resistance, and the material cost is saved.
Description
Technical field
The present invention relates to micro-wave oven, relate in particular to the cooling device of door for microwave oven.
Background technology
As shown in Figure 1, 2, heating clamber assembly (cavity assembler) 10 comprises cooking room 12 and electric control chamber 14 substantially.The front of heating clamber assembly 10 is equipped with the door 20 that is used to open and close cooking room 12 front openings.
In addition, the front part branch at electric control chamber 14 is provided with toaster mechanism 11.Toaster mechanism 11 opens and closes by toaster door 13.
With reference to the accompanying drawings 1 and 2, the internal structure of existing door for microwave oven is elaborated.
Door for microwave oven 20 forms the outward appearance of doorframe 21 and doorframe 21 fronts.The upper end, front and the Ce of doorframe 21 connect formation mutually, and the part of the door-plate 22 that will describe below having only is exposed.
Door-plate 22 is arranged on the back side of doorframe 21, and the part of door-plate 22 is forwards outstanding, exposes to the front of door 20 by doorframe 21.As mentioned above, door-plate 22 the most handy transparent materials are made, the feasible inside that can see cooking room 12 from the outside.
The upper end of door-plate 22 is formed with the controller installing mechanism 23 that prolongs to the left and right.Be provided with operation panel 24 in the front of controller installing mechanism 23.Possess on this operation panel 24 indication mechanism 24 ' and a plurality of button (not shown) are arranged, form the adjusting of micro-wave oven function.The machine plate (not shown) of regulating part and electrically connect is installed at the back side of controller installing mechanism 23, and the machine plate is provided with a plurality of electronic components.
Rear side towards door-plate 22 is provided with choker (choke) 26, and this choker 26 forms and can not leak microwave and the structure of the microwave of can decaying.Rear side towards choker 26 closely is provided with back of the body frame (backframe) 27, on back of the body frame 27 back of the body is installed and covers 28.At this moment, the back of the body covers 28 formation and the cooking room 12 contacted one sides that door 20 is arranged.
Door cooling structure to relevant micro-wave oven describes below.
Be formed with air entry 21a in contact with toaster mechanism 11 side of part of doorframe 21, this air entry 21a sucks air from the inside of export-oriented door 20.Opposite sides at doorframe 21 is formed with exhaust outlet 21b, and this exhaust outlet 21b can discharge the air of door 20 inside.In addition, the air of circulation electric control chamber 14 is supplied to the air entry 21a that is formed on doorframe 21 sides by the blowing fan 19 of electric control chamber 14 inside.
Cooling procedure to door for microwave oven with said structure describes below.
After food being placed on the interior of cooking room 12 and closing door 20, the operated key of operation setting on controller 25, at this moment, high-tension transformer 16 and magnetron 18 start, and the inside of microwave feeds cooking room 12 is heated food.
In addition, food was carried out between the period of heating, the blowing fan 19 that is arranged on electric control chamber 14 inner rears starts.Blowing fan 19 produces the heat that is produced when air-flow is taken away high-tension transformer 16 and magnetron 18 runnings.So, occur in the air-flow on the blowing fan 19, through being positioned at the high-tension transformer 16 in blowing fan 19 the place aheads and magnetron 18 and it being cooled off.
The part of air of cooling high-tension transformer 16 and magnetron 18 flow into after cooking room 12 inside, and it is inner and the steam that produces in the heating process etc. discharged to the outside from cooking room 12 together to be circulated in cooking room 12, is taken a breath in cooking room 12 inside.
Be drawn into the part of air of electric control chamber 14, the blowing fan 19 by electric control chamber 14 flows into to the inside of door 20 through being formed on the air entry 21a of doorframe 21 1 sides.Cover the air flow passage of 28 formation by the doorframe 21 and the back of the body and discharge to the inside of door 20 leaked-in air by the exhaust outlet 21b that is formed on doorframe 21 opposite sides.
But door 20 cooling structures with said structure but have following deficiency:
In addition, the air in door 20 cooling structures is mobile is to be undertaken by the forced air supply that is arranged on the blowing fan 19 in the electric control chamber 14.At this moment, for the design of microwave oven, just need to consider to be used for the structure that is provided with of electric control chamber 14 blowing fan 19 of 20 coolings.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing door cooling device exists, the invention provides a kind of cooling device of door for microwave oven, this device does not need independent air-supply arrangement and the free convection that the utilizes air door of cooled microwave stove effectively just, and can cool off effectively the controller that is installed on the door yet.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of cooling device of door for microwave oven, it comprises doorframe, door-plate and back of the body lid; Described doorframe forms the front of door, and a part forms the structure that connects; Described door-plate is installed in the back side of doorframe, and it mainly comprises outstanding mechanism and a plurality of passage, and described outstanding mechanism exposes to the micro-wave oven front by the perforation position of doorframe, and described a plurality of passages form along the edge of outstanding mechanism; Described back of the body lid is installed in the rear side of door-plate and contacts with cooking room.
In an embodiment of the present invention, the cooling device of door for microwave oven of the present invention, its front at door-plate is equipped with the controller that is used to operate micro-wave oven, and described controller exposes from the top in the front of door.
Cooling device with door for microwave oven of the present invention of said structure has following advantage: utilize the free convection of air, effectively the door of cooled microwave stove.
The effect of invention
Door for microwave oven cooling device of the present invention can cool off together to the inside and outside of door for microwave oven, reduces because Product Safety to the burn that the user causes, has been improved in the heating tape of door.
It can cool off the controller that is installed on the door, prevents that each parts of controller are overheated and prevents owing to cross thermogenetic fault.
Because of the temperature of door is lower,, save fee of material so can use the little material system door of relative hear resistance.For example,, can use the little cheap again ABS material of hear resistance, replace the high PC material of hear resistance for the front glass material of door.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the exploded perspective view of general micro-wave oven.
Fig. 2 is the exploded perspective view of the door for microwave oven of prior art.
Fig. 3 is the exploded perspective view of cooling device structure of the door for microwave oven of one embodiment of the invention.
Fig. 4 is the exploded perspective view of one embodiment of the invention detailed structure.
The number in the figure explanation
10: heating clamber assembly (cavity assembler) 11: toaster mechanism (toaster)
12: cooking room 13: the toaster door
14: electric control chamber 50: door
52: handle 53: doorframe
55: door-plate 56: the controller installing mechanism
60: controller (controller) 62: operation panel
64: flexible cable (flexible cable) 65: machine plate
100: outstanding mechanism 102: passage
The specific embodiment
Shown in Fig. 3,4, open and close in selectivity on the door 50 of cooking room, doorframe 53 constitutes the outward appearance of door 50 fronts.The upper end of doorframe 53 and central authorities connect mutually and form, and the part of the door-plate 55 that will describe below having only is exposed to the front of door 50 by the part that is connected.
Door-plate 55 is arranged on the back side of doorframe 53, and the part of door-plate 55 is forwards outstanding, exposes and forms to the front of door 50 by doorframe 53 and give prominence to mechanism 100.As mentioned above, door-plate 55 the most handy transparent materials are made, the feasible inside that can see cooking room from the outside.
The upper end of door-plate 55 is formed with the controller installing mechanism 56 that prolongs to the left and right, and controller installing mechanism 56 is to the outstanding formation in the place ahead of door-plate 55.Central authorities at controller installing mechanism 56 are formed with indication mechanism through hole 56h, and the one side is formed with cable trough 56s.
In the present invention, the operation panel 62 of formation controller 60 and machine plate 65 are installed in respectively to the left and right and are formed on the controller installing mechanism 56 of door-plate 55 upper ends with prolonging.Controller 60 exposes formation to the front upper of door 50.
Organic plates 65 is installed at the back side at the controller installing mechanism 56 of door-plate 55, in the front of controller installing mechanism 56 operation panel 62 is installed.Electrically connect between operation panel 62 and the machine plate 65 forms by flexible cable 64 being attached on the connector 67.
Rear side towards door-plate 55 is provided with choker (choke) 80, and choker 80 forms and can not leak microwave and the structure of the microwave of can decaying.Closely be provided with back of the body frame 82 towards the rear side of choker 80, the back of the body be installed on back of the body frame 82 cover 84 and contact with the cooking room of micro-wave oven.
Be formed with the passage 102 of perforation along with the outstanding mechanism frontside edge of door-plate 55.The passage 102 of air below outstanding mechanism 100 flows into, and brings into play the effect of its air suction inlet; And top passage 102 can be discharged through the heated air in 50 inside of moving into one's husband's household upon marriage, and brings into play the effect of its air exhaust port.
Door-plate 55 and the choker (choke) 80 and the back of the body keep certain space between covering 84, can moving air.That is to say, by Clearance Flow air therebetween.Preferably can the back side and the choker 80 of controller 60 parts be set in door-plate 55 upper ends and carry on the back moving air on the gap of covering between 84.Make the passage 102 of air below being formed on door-plate 55 outstanding mechanisms 100 flow into and make air through air passage 102 discharges above being positioned at door-plate 55 outstanding mechanisms 100 again behind the rear space of controller 60.
Preferably the outstanding mechanism 100 along door-plate 55 all forms the passage 102 that plays air suction and discharge effect with following and two sides in the above.In addition, according to the shape of the outstanding mechanism 100 of door-plate 55, form the position passage 102 different with function.Simultaneously also can cover 84 etc. shape, form different structures according to door-plate 55 and doorframe 53 and the back of the body.
Effect to door for microwave oven cooling device of the present invention with said structure describes below.
To cook object and be placed in the cooking room 12 and closely close the door after 50, the cooking of pressing door for microwave oven 50 upper ends begins key 62 ', and at this moment, the microwave that produces at the electric control chamber (not shown) heats cooking object to the internal irradiation of cooking room 12.Along with the heating of cooking object, the temperature of cooking room 12 rises, door for microwave oven 50 intensification of also being heated.
When door 50 was heated, the air of door 50 inside is and then heating also.Heated air moves to the upper end from the lower end of door 50 inside by free convection.At this moment, air will flow through the outside of outstanding mechanism that move into one's husband's household upon marriage 50 central authorities and upper end form by passage 102.As mentioned above, form cross-ventilations in door 50 inside naturally by passage 102 flow air.Will cool off door 50 from the extroversion door 50 inner fresh airs that flow into, the while is each parts of the controller 60 of cooling settings on door 50 also.
The cooling procedure of aforesaid door 50 does not need independent air-supply arrangement, only needs the free convection of air, just can obtain as the use air-supply arrangement to electric control chamber 14 forced air supplies with door 50 cooling effects.As mentioned above, by the free convection of door 50 inner airs, door 50 coolings are carried out.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1, a kind of cooling device of door for microwave oven comprises doorframe, door-plate and back of the body lid, it is characterized in that,
Described doorframe forms the front of door, and a part forms the structure that connects;
Described door-plate is installed in the back side of doorframe, and it comprises outstanding mechanism and a plurality of passage, and described outstanding mechanism exposes to the micro-wave oven front by the perforation position of doorframe, and described a plurality of passages form along the edge of outstanding mechanism;
Described back of the body lid is installed in the rear side of door-plate, contacts with cooking room.
2, the cooling device of door for microwave oven according to claim 1 is characterized in that in the front of described door-plate the controller that is used to operate micro-wave oven being installed, and described controller exposes from the top in the front of door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153120 CN1274995C (en) | 2002-11-26 | 2002-11-26 | Cooling device for door of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153120 CN1274995C (en) | 2002-11-26 | 2002-11-26 | Cooling device for door of microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502864A CN1502864A (en) | 2004-06-09 |
| CN1274995C true CN1274995C (en) | 2006-09-13 |
Family
ID=34234942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02153120 Expired - Fee Related CN1274995C (en) | 2002-11-26 | 2002-11-26 | Cooling device for door of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1274995C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296165A (en) * | 2013-07-19 | 2015-01-21 | 姜继贤 | Stove door structure |
| JP7086791B2 (en) * | 2018-08-29 | 2022-06-20 | 日立グローバルライフソリューションズ株式会社 | Cooker |
-
2002
- 2002-11-26 CN CN 02153120 patent/CN1274995C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1502864A (en) | 2004-06-09 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060913 Termination date: 20091228 |