CN102997293A - Convective microwave oven - Google Patents
Convective microwave oven Download PDFInfo
- Publication number
- CN102997293A CN102997293A CN2011102693237A CN201110269323A CN102997293A CN 102997293 A CN102997293 A CN 102997293A CN 2011102693237 A CN2011102693237 A CN 2011102693237A CN 201110269323 A CN201110269323 A CN 201110269323A CN 102997293 A CN102997293 A CN 102997293A
- Authority
- CN
- China
- Prior art keywords
- convection
- microwave oven
- convective
- spiral case
- turbofan
- 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.)
- Pending
Links
Images
Abstract
The invention discloses a convective microwave oven. The convective microwave oven comprises a cooking chamber and a convective chamber arranged behind the rear panel of the cooking chamber, the convective chamber is formed by the rear panel, a spiral case with the front portion fixedly connected with the rear panel and the rear portion backward protruding, a left side plate and a right side plate, a turbine fan is rotatablely and fixedly arranged between the left side plate and the right side plate, an arc-shaped guiding plate dividing the convective chamber into a lower part and an upper part is arranged under the turbine fan, and a convective heater is also arranged in the convective chamber. The hot air convection system of the convective microwave oven uses the turbine fan having a faster air speed as a hot air driving source to substitute a centrifuge fan, a cavity type air channel structure is designed according to the structure of the turbine fan, the turbine fan has the advantages of fast air speed, large air quantity, and improvement of the cooking speed, and simultaneously the cavity type channel has the advantages of practicality, uniform air supply, fast air supply distance, effective guarantee of the uniform distribution of the temperature in the whole cooking chamber, and improvement of the energy efficiency.
Description
Technical field
The present invention relates to a kind of micro-wave oven, relate in particular to a kind of thermal convection current device of convection-microwave oven.
Background technology
Generally say and, micro-wave oven is with plugged, utilizes the microwave action that produces and the machine of cooking food easily.Particularly recently except magnetron, also be provided with the heating sources such as heating element, multiple cooking method occurred, such as convection-microwave oven, this micro-wave oven has the function that the radiant heat that produced by electric heater and fan and advection heat cook food, and the major function that is cooked food by microwave energy.Utilize this convection-microwave oven to hot plate the core of their inside by foods such as the microwave energy picture flesh of fish evenly and thoroughly, and make their surface slightly be baked heat to produce delicious food and to show better outward appearance by hot-air.
Chinese patent 96107887.1 discloses a kind of convection-microwave oven, is installed in the back of hotting plate the chamber so that hot plate under the mode air by the electric heater heating in convection current and can be discharged into and hot plate in the chamber comprising the hot-air releasing device of drive motor and fan.This hot-air releasing device is set to be partial on sidewall formed air stream hand-hole and hots plate steam in the chamber with elimination, hots plate under the mode hot-air in convection current thus and discharges and cause gas curtain shroud air ostium to the air stream hand-hole.
Chinese patent 200410072921.5 discloses a kind of convection-microwave oven, is made of micro-wave oven body, cavity, electronic components chamber, convection section, convection cell cover cap, bonnet, and described micro-wave oven body includes shell, rear board and front panel; Described cavity is positioned at the intrinsic side of micro-wave oven, and is formed with cooking room; Described electronic components chamber is arranged on the intrinsic opposite side of micro-wave oven, and the front side in described space is provided with the various electronic units such as high-tension transformer, magnetron, and the rear side in described space is provided with Air Blast fan and fan electromotor; Described convection section is fixedly installed on the rear board of micro-wave oven rear side, and being used for provides heat of high temperature to cooking room; Described convection cell cover cap is arranged on the rear side of convection section, for the protection of the member in the convection section; Described bonnet is arranged on the rear side of electronic components chamber.
Disclosed such as above-mentioned two patents, the hot air convection system of existing convection-microwave oven all uses centrifugal fan as the hot blast drive source, and the centrifugal fan wind speed is low, air quantity is little, cause cooking speed slow, energy efficiency is low, simultaneously because of the approval of its large reducing noise user to product.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of novel structure, air output is large and evenly, can improve the convection-microwave oven of cooking Speed improving energy efficiency.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of convection-microwave oven, comprise cooking cavity and the convection cell that is arranged on cooking cavity rear board rear portion, described convection cell is formed by rear board, the anterior rearwardly projecting spiral case in rear portion and left plate and the right plate limitation that is fixedly connected with rear board, between described left side plate, rotatably be fixedly installed turbofan, below described turbofan, be provided with convection cell is divided into up and down two-part arc deflector, in described convection cell, also be provided with convection heater.
Preferably, described turbofan rotatably is fixedly installed on the convection cell top, to improve its space availability ratio, avoid back volume excessive, preferably described convection heater preferably is arranged on the deflector below simultaneously, air through its heating directly enters in the cooking cavity by the through hole on the rear board or grid, avoids excess Temperature in the convection cell, causes energy loss.
Preferably, the limit, the left and right sides of described deflector is fixedly connected with left side plate, its lower side contacts with rear board and upper side edge progressively extends under the turbofan by rear side along arching trajectory, namely utilize deflector that convection cell is divided into air-inlet cavity and air draft chamber, wherein, preferably the distance of the upper side edge of described deflector and turbofan is 10mm.
Preferably, described spiral case is for arranging separately double-decker, and its outer spiral case consists of the rear portion outward appearance of micro-wave oven, and the internal layer spiral case consists of the runner of convection cell, and double-decker also is equipped with optimization on the material, can improve the heat-insulating property of spiral case, avoids heat loss.
Micro-wave oven hot air convection system of the present invention uses faster turbofan replacement of wind speed centrifugal fan as the hot blast drive source and according to turbofan structural design cavity type air channel structure, take deflector as boundary, the cooled hot blast of food enters the air-inlet cavity of convection cell and passes through the turbofan effect and enters the air draft chamber on top in furnace chamber, the through hole that hot blast after the heater heating passes on the rear board reenters furnace chamber, thereby finishes a cyclic process.Because the turbofan wind speed is fast, air quantity is large, can play and improve cooking speed, simultaneously, the cavity type runner is actual, makes air-supply more even, air supplying distance is farther, can guarantee effectively that the temperature in the whole cooking cavity evenly distributes, and improves the effect of energy efficiency, simultaneously, by optimizing spiral case and deflector, can effectively reduce noise, improve user's impression, and spiral case adopts heat insulation structural, few loss of assurance heat, raising safety in utilization.
Description of drawings
Fig. 1 is convection-microwave oven convection cell structural representation of the present invention;
Fig. 2 is convection cell internal structure front view.
The specific embodiment
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with drawings and embodiments.
Convection-microwave oven of the present invention comprises the micro-wave oven body; Be formed on the cooking cavity of micro-wave oven body interior; Be provided with the electronic components chamber of various electronic components.When being installed on the front panel, the leading flank that consists of the micro-wave oven body is used for opening and closing the cavity door of cooking cavity.
Be formed with a plurality of intercommunicating pores that are connected with cooking cavity on the rear board in described microwave oven cooking chamber, the back of rear board is provided with convection cell.Such as Fig. 1, shown in 2, convection cell of the present invention is by the rear board (not shown), the front portion is fixedly connected with the rearwardly projecting spiral case 2 in rear portion and left plate 3 with rear board and right plate 4 limitations form, in described convection cell, laterally rotatably be fixedly installed turbofan 5 near its top along it, described turbofan one end is fixedly connected with by bearing and left plate are rotatable, one end can be in transmission connection with the motor that is fixedly installed on the right plate outside, under described turbofan, be provided with progressively forward extension and convection cell is divided into up and down two-part arc deflector 6 by rear position, the limit, the left and right sides that is described deflector is fixedly connected with left side plate, its lower side contacts with rear board and upper side edge progressively extends under the turbofan by rear side along arching trajectory, that is deflector is divided into convection cell in the air draft chamber of the turbofan air-inlet cavity that is positioned at the top and the turbofan that is positioned at the below, preferably, make an uproar for the wind speed and the reduction wind that improve turbofan, the upper side edge of described deflector and the distance of turbofan are preferably about 10mm.
Certainly, also can and optimize the spiral case molded line by employing aerofoil profile inclination deflector, to produce the probability that refluxes in effective reduction spiral case, play the effect of further raising airflow pressure and minimizing noise.
Be fixedly installed convection heater 8 in described air draft chamber, preferably, it is two rod-type electric heaters, its two ends be separately fixed on the left side plate and by binding post and power connection to realize its function.Certainly, adopt a rod-type electric heater, U-shaped electric heater or other different in nature electric heaters can realize the present invention's purpose, in the different demand for heat of different volume models, can be equipped with the electric heater of different capacity and shape, do not repeat them here.
Preferably, for reducing the heat exchange of convection cell and micro-wave oven outside, described spiral case is double-decker, its outer spiral case consists of the rear portion outward appearance of micro-wave oven, the internal layer spiral case consists of the runner of convection cell, two-layer spiral case arranges separately, the internal layer spiral case preferably adopts the good ceramic material of heat-insulating property, and the metal of the larger intensity of outer spiral case employing or other materials are to improve the micro-wave oven bulk strength, the heat-insulating material of internal layer spiral case and two-layer interval arrange, can effectively reduce heat by the heat exchange of spiral case, improve the whole efficiency of heating surface and avoid simultaneously that the micro-wave oven rear part temperature is too high to cause the destruction that furniture is caused.
Micro-wave oven hot air convection system of the present invention uses faster turbofan replacement of wind speed centrifugal fan as the hot blast drive source and according to turbofan structural design cavity type air channel structure, take deflector as boundary, the cooled hot blast of food enters the air-inlet cavity of convection cell and passes through the turbofan effect and enters the air draft chamber on top in furnace chamber, the through hole that hot blast after the heater heating passes on the rear board reenters furnace chamber, thereby finishes a cyclic process.In the prefiring of 200 degree, turbofan will have 6 minutes and 10 seconds to foreshorten to 4 minutes the time, and the time saving reaches 30%, and energy consumption has also reduced by 30% simultaneously, and in the heat energy experiment, the heat time heating time of turbofan, same can the saving reached 30%.
Because the turbofan wind speed is fast, air quantity is large, can play and improve cooking speed, simultaneously, the cavity type runner is actual, makes air-supply more even, air supplying distance is farther, can guarantee effectively that the temperature in the whole cooking cavity evenly distributes, and improves the effect of energy efficiency, simultaneously, by optimizing spiral case and deflector, can effectively reduce noise, improve user's impression, and spiral case adopts heat insulation structural, few loss of assurance heat, raising safety in utilization.
Only be preferred embodiment of the present invention by the above; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. convection-microwave oven, comprise cooking cavity and the convection cell that is arranged on cooking cavity rear board rear portion, it is characterized in that: described convection cell is formed by rear board, the anterior rearwardly projecting spiral case in rear portion and left plate and the right plate limitation that is fixedly connected with rear board, between described left side plate, rotatably be fixedly installed turbofan, below described turbofan, be provided with convection cell is divided into up and down two-part arc deflector, in described convection cell, also be provided with convection heater.
2. convection-microwave oven as claimed in claim 1 is characterized in that: the rotatable setting in top of the close convection cell of described turbofan.
3. convection-microwave oven as claimed in claim 1 or 2 is characterized in that: described convection heater is fixedly installed on the deflector below.
4. convection-microwave oven as claimed in claim 2, it is characterized in that: the limit, the left and right sides of described deflector is fixedly connected with left side plate, and its lower side contacts with rear board and upper side edge progressively extends under the turbofan by rear side along arching trajectory.
5. convection-microwave oven as claimed in claim 4, it is characterized in that: the upper side edge of described deflector and the distance of turbofan are 10mm.
6. convection-microwave oven as claimed in claim 1, it is characterized in that: described heater is two rod-type electric heaters, its two ends are separately fixed on the left side plate and by binding post and power connection.
7. convection-microwave oven as claimed in claim 1 is characterized in that: described spiral case is for arranging separately double-decker, and its outer spiral case consists of the rear portion outward appearance of micro-wave oven, and the internal layer spiral case consists of the runner of convection cell.
8. convection-microwave oven as claimed in claim 7 is characterized in that: described internal layer spiral case adopts the insulating ceramic material to make.
9. convection-microwave oven as claimed in claim 7 is characterized in that: described outer spiral case adopts stainless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102693237A CN102997293A (en) | 2011-09-13 | 2011-09-13 | Convective microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102693237A CN102997293A (en) | 2011-09-13 | 2011-09-13 | Convective microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102997293A true CN102997293A (en) | 2013-03-27 |
Family
ID=47926199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102693237A Pending CN102997293A (en) | 2011-09-13 | 2011-09-13 | Convective microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102997293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553939A (en) * | 2017-09-30 | 2018-01-09 | 福清市融城益峰机械有限公司 | The heat-insulated equal heat structure of the Wrapping formed machine wind-curtain type of fiber conduit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131939A (en) * | 1981-02-06 | 1982-08-16 | Matsushita Electric Ind Co Ltd | Heat cooking apparatus |
| JP2002364853A (en) * | 2001-06-12 | 2002-12-18 | Hitachi Hometec Ltd | Heating cooker |
| JP2003021338A (en) * | 2001-07-06 | 2003-01-24 | Hitachi Hometec Ltd | Cooker |
| CN102188166A (en) * | 2010-03-10 | 2011-09-21 | 乐金电子(天津)电器有限公司 | Electric oven with baking pipes with radiators |
| CN102444919A (en) * | 2010-09-30 | 2012-05-09 | Lg电子株式会社 | Cooking appliance |
-
2011
- 2011-09-13 CN CN2011102693237A patent/CN102997293A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131939A (en) * | 1981-02-06 | 1982-08-16 | Matsushita Electric Ind Co Ltd | Heat cooking apparatus |
| JP2002364853A (en) * | 2001-06-12 | 2002-12-18 | Hitachi Hometec Ltd | Heating cooker |
| JP2003021338A (en) * | 2001-07-06 | 2003-01-24 | Hitachi Hometec Ltd | Cooker |
| CN102188166A (en) * | 2010-03-10 | 2011-09-21 | 乐金电子(天津)电器有限公司 | Electric oven with baking pipes with radiators |
| CN102444919A (en) * | 2010-09-30 | 2012-05-09 | Lg电子株式会社 | Cooking appliance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107553939A (en) * | 2017-09-30 | 2018-01-09 | 福清市融城益峰机械有限公司 | The heat-insulated equal heat structure of the Wrapping formed machine wind-curtain type of fiber conduit |
| CN107553939B (en) * | 2017-09-30 | 2023-07-07 | 福清市融城益峰机械有限公司 | Air curtain type heat insulation soaking structure of fiber pipeline winding forming machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104172942B (en) | A kind of smokeless roaster | |
| CN201335431Y (en) | Microwave oven | |
| CN102113836B (en) | Utilize the cooking device internal hot air convection system of axial-flow fan | |
| CN108378716A (en) | A kind of heating tube, electric oven and control method | |
| CN106152191A (en) | The fast oven of microwave heating | |
| CN105994453A (en) | Chain type baking oven with photoelectric sensor | |
| CN205251295U (en) | Oven hot air circulating system | |
| CN107467094A (en) | Microwave hot air combined roasting plant and burn cured baking method | |
| CN201469048U (en) | Wind guide cover of thermal cycling system of baking oven | |
| CN208025573U (en) | Micro-wave oven | |
| CN201920536U (en) | High temperature automatically cleaning electric oven with door glass cooling structure | |
| CN1979000A (en) | Microwave oven of hot-air convection heating apparatus | |
| CN208876247U (en) | A kind of multifunctional domestic steaming and baking box | |
| CN102997294A (en) | Convective microwave oven | |
| CN102997293A (en) | Convective microwave oven | |
| CN204722872U (en) | A kind of electric hot-air enameling furnace | |
| CN206113033U (en) | Microwave heating's quick oven | |
| CN201251217Y (en) | Commercial microwave oven | |
| CN203099922U (en) | Air convection type thermal insulating device | |
| CN204071794U (en) | A kind of smokeless roaster | |
| CN200946840Y (en) | Microwave oven with heated air circulation function | |
| CN205830916U (en) | A kind of chain type oven of band photoelectric sensor | |
| CN202179428U (en) | Steam convection type electric steaming stove | |
| CN101737818A (en) | Built-in microwave oven | |
| CN102128458A (en) | Microwave oven with novel cross flow fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130327 |