CN100432541C - Electronic microwave oven - Google Patents
Electronic microwave oven Download PDFInfo
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- CN100432541C CN100432541C CNB2004100728903A CN200410072890A CN100432541C CN 100432541 C CN100432541 C CN 100432541C CN B2004100728903 A CNB2004100728903 A CN B2004100728903A CN 200410072890 A CN200410072890 A CN 200410072890A CN 100432541 C CN100432541 C CN 100432541C
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- heater
- bottom heater
- cooking room
- microwave oven
- cooking
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Abstract
The present invention discloses an electronic microwave oven which comprises a microwave oven body, an upper heater, a shelf, a bottom heater, a heater rotating part and a horizontal conveying part, wherein the shelf is positioned between the upper heater and the bottom heater; the bottom heater is arranged in a bottom space in a cooking chamber, and both ends of both sides of the bottom heater are combined in guide holes formed on both side wall surfaces in the cooking chamber in penetration mode; the horizontal conveying part comprises a fixing rack and a drive device, the fixing rack is fixedly combined with the end of at least one shaft of the bottom heater, and the drive device drives the fixing rack to move towards the front and the back directions of the cooking chamber. The present invention has the advantages that the heat naturally convecting from the bottom heater upwards can be radiated to the cooking food, the upper and the lower surfaces of the cooking food can be cooked without turning, and the present invention can reduce the heat loss of the bottom heater and shorten the cooking time. The bottom heater can rotate to improve the practicability of the electric microwave oven effectively.
Description
Technical field
What the present invention relates to is micro-wave oven, particularly be the micro-wave oven of the grid cooking.
Background technology
In general, micro-wave oven is to utilize magnetron to produce a kind of household electrical appliance of microwave cooked food after the energising.
In the recent period, micro-wave oven also additionally is provided with heater as heating source except utilizing the magnetron cooking food, and the heat that utilizes recirculation heater to produce is cooked.In addition, also provide the cooking method of cooking by the position of control heater.
Fig. 1 is the schematic perspective view of existing micro-wave oven.
As shown in the figure, existing micro-wave oven mainly comprises: the electric control chamber 3 that form the micro-wave oven body 1 of micro-wave oven outward appearance, the cooking room of cooking 2, various electronic components is set.
Fig. 2 a is the dextrad schematic diagram of the heater of existing micro-wave oven when being in non-febrile state; Fig. 2 b is the dextrad schematic diagram of the heater of existing micro-wave oven when being in febrile state.
Fig. 2 a and Fig. 2 b show the microwave oven internal structure of grid device for cooking.
Have in the cooking room 2 of existing microwave oven of grid cooking function and be provided with rotating grill heater 11, and rotate the motor 12 of grill heater 11.
The back side of grill heater 11 is provided with heater cover cap 14, and heater cover cap 14 intercepts the direction loss of hot gas beyond gratin that grill heater 11 adstante febres produce, to reduce the loss of heat.
Shown in Fig. 2 a, when not using microwave oven or, but utilize the carrying out microwave cooked time of usual method without the grid cooking method, grill heater 11 stands on the rear surface in the cooking room 2.
When carrying out the grid cooking, along with the driving of motor 12, grill heater 11 rotated to the front lower place when a pair of gear 13 rotated.
Shown in Fig. 2 b, grill heater 11 is positioned at the upside of gratin, and grill heater 11 heatings are to cooking food.
But there is following defective in the structure of the existing electronic microwave grate cooking:
At first, when carrying out the grid cooking, grill heater 11 is positioned at cooking room central authorities gratin upside and heats, and therefore, grill heater 11 produces the upside that most hot gas moves to grill heater 11.
Though heater cover cap 14 can prevent a part of hot gas and move to the upside of grill heater 11, can not prevent fundamentally that free convection from making the hot gas phenomenon that moves up.
The heat that is radiated heater cover cap 14 moves naturally to the upside of heater cover cap 14, still can lost heat efficient.
Secondly, gratin is in gastronomical process, because grill heater 11 is positioned at the upside of gratin, so can only be from the upside heating of cooking food, the cooking poor effect of food bottom.
Therefore, the consumer often need stir gratin in carrying out the grid gastronomical process.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of microwave oven that need not stir the new structure that gratin also can be equably cooks the food upper and lower sides is provided.
The technical scheme that solves the problems of the technologies described above is: a kind of microwave oven, include that upside is provided with the upper portion heater that hot gas is provided towards the cooking room inner space, the article rack of placing gratin in the cooking room in micro-wave oven body, the micro-wave oven body, also comprise: bottom heater, the heater rotating part that is used to rotate bottom heater, horizontal transmission portion; Article rack is between upper portion heater and bottom heater; Bottom heater is arranged on the bottom space in the cooking room, and its both-side ends runs through and is combined in the pilot hole that forms on the two side walls in the cooking room; Horizontal transmission portion comprises fixed support and drive unit, and wherein on fixed support secure bond at least one the tip of the axis in bottom heater, drive unit drives fixed support and moves towards the fore-and-aft direction of cooking room.
Described bottom heater is at least more than the bending once.
The part of described bottom heater bending has certain-length, makes not run into article rack when bottom heater rotates up and down in cooking room.
Described heater rotating part is positioned at the inner space of electric control chamber.
Described heater rotating part comprises: the drive motors that produces driving force; Be combined in axle and the bottom heater end and the intermeshing a pair of gear of drive motors respectively.
Fore-and-aft direction protrusion along cooking room on the outer side surface of described cooking room is formed with the support saddle); Also be formed with on the fixed support and be combined in the support portion of supporting on the saddle and supporting the saddle support.
Described heater rotating part secure bond and can move along horizontal direction with bottom heater on the fixed support of horizontal transmission portion.
The invention has the beneficial effects as follows: the structure of microwave oven of the present invention and control method thereof have following effect:
The first, microwave oven of the present invention is placed gratin on the article rack that is positioned at the bottom heater upside, can make progress the heat radiation of free convection to bottom heater to gratin, can reduce the thermal loss of bottom heater, shortens the cooking time.
The second, the present invention is provided with heater at gratin upside and downside, so the gratin that need not overturn can be cooked the upper and lower surface of gratin, can shorten the cooking time.
The 3rd, because bottom heater integral body is shorter, so bottom heater can not be run into article rack when rotating.When driving bottom heater, need not dismantle article rack, improve the practicality of microwave oven.
The 4th because bottom heater integral body is shorter, after the level rotation, the driving by horizontal transmission portion make bottom heater be positioned at gratin under, thereby cooking thing equably.
Description of drawings
Fig. 1 is the schematic perspective view of existing micro-wave oven;
Fig. 2 a is the dextrad schematic diagram of the heater of existing micro-wave oven when being in non-febrile state;
Fig. 2 b is the dextrad schematic diagram of the heater of existing micro-wave oven when being in febrile state;
Fig. 3 a is the right side cross-sectional view of micro-wave oven internal structure of the present invention;
Fig. 3 b is the front section view of micro-wave oven internal structure of the present invention;
Fig. 3 c is Fig. 3 b ' A ' portion enlarged drawing;
Fig. 4 a is a micro-wave oven bottom heater action original state right side cross-sectional view of the present invention;
Fig. 4 b is the action original state of micro-wave oven bottom heater of the present invention or the front section view of end-state;
Fig. 5 is the right side cross-sectional view of micro-wave oven bottom heater action end-state of the present invention;
Fig. 6 is an embodiment control procedure of a micro-wave oven of the present invention flow chart;
Fig. 7 is another embodiment control procedure flow chart of micro-wave oven of the present invention.
* the major part symbol description * of drawing
100. micro-wave oven body 110. upper portion heaters
120. bottom heater 200. cooking rooms
210. pilot hole 220. guide rails
230. support saddle 300. electric control chambers
400. article rack 500. heater rotating parts
510. drive motors 520. gear gear
600. horizontal transmission portion 610. fixed supports
611. support portion 620. drive units
621. drive link
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 3 a is the right side cross-sectional view of micro-wave oven internal structure of the present invention; Fig. 3 b is the front section view of micro-wave oven internal structure of the present invention; Fig. 3 c is Fig. 3 b ' A ' portion enlarged drawing; Fig. 4 a is a micro-wave oven bottom heater action original state right side cross-sectional view of the present invention; Fig. 4 b is the action original state of micro-wave oven bottom heater of the present invention or the front section view of end-state; Fig. 5 is the right side cross-sectional view of micro-wave oven bottom heater action end-state of the present invention; Fig. 6 is an embodiment control procedure of a micro-wave oven of the present invention flow chart; Fig. 7 is another embodiment control procedure flow chart of micro-wave oven of the present invention.
To shown in Figure 5, microwave oven of the present invention mainly comprises: micro-wave oven body 100 as Fig. 3 a; Upper portion heater 110; Bottom heater 120; Article rack 400; Heater rotating part 500; Horizontal transmission portion 600.
Micro-wave oven body 100 forms the outward appearance of micro-wave oven, and a side space of micro-wave oven body 100 is cooking rooms 200, and its opposite side space is an electric control chamber 300.
Be formed with pilot hole 210 along horizontal direction on the two side walls in the above-mentioned cooking room 200.
Because the structure of pilot hole 210, the microwave that produces on the magnetron might enter electric control chamber 300 by the outside that pilot hole 210 leaks into cooking room 200.In order to prevent to leak microwave, the structure of pilot hole 210 preferably is provided with the structure (figure does not show) that prevents microwave leakage.
The structure and material that prevents microwave leakage is preferably selected neither moving of overslaugh bottom heater 120 for use, can absorb the material of microwave again or have the material of reflection function.
In the present embodiment, upper portion heater 110 depression be arranged in the cooking room 200 above.
Though do not illustrate among the figure, upper portion heater 1 10 both had been installed in the top outside of cooking room 200, and its installing space is connected with the cooking room inner space.
The both-side ends of bottom heater 120 runs through pilot hole 210 back parts that are formed on the two side walls in the cooking room 200 and exposes to the space that constitutes electric control chamber 300, and can also rotate when the energy along continuous straight runs moves.
Among the present invention, bottom heater 120 is at the inside line of cooking room 200 at least more than the bending once, thereby can the integral body of gratin be heated equably.
The position of bottom heater 120 bendings has certain-length, makes bottom heater 120 be unlikely to be subjected to the interference of article rack 400 in the rotation of cooking room 200 internal vertical.
Promptly it highly will be lower than the height at the article rack 400 of cooking room 200 inside when bottom heater 120 stands in cooking room 200 inside.
The effect of heater rotating part 500 is to rotate bottom heater 120, thereby makes bottom heater 120 be in plumbness or level in cooking room 200 inside.
Shown in Fig. 3 c, heater rotating part 500 comprises: the drive motors 510 that produces driving force; Respectively in conjunction with axle and bottom heater 120 end and the intermeshing a pair of gears 520 of drive motors 510.
Drive motors 510 is servomotor (servo-motor).
The heater rotating part 500 of the embodiment of the invention is arranged in the space of electric control chamber 300.Above-mentioned heater rotating part 500 also can be arranged on the leftward space among the space diagram 3b between micro-wave oven body 100 and the cooking room 200.
In the embodiment of the invention, on the outer side surface of cooking room 200, be provided with the support saddle 230 that forms along the fore-and-aft direction of cooking room 200.Also be formed with on the fixed support 610 by supporting the support portion 611 that saddle 230 supports.
Supporting saddle 230 also can be formed on the downside wall at cooking room 200 wall pilot holes 210 positions.The lower end that is formed on fixed support 610 also can be protruded in support portion 611.
When fixed support 610 moves in the embodiment of the invention, not only can mobile bottom heater 120, also can traveling heater rotating part 500.
Toply then can realize above-mentioned moving by what heater rotating part 500 is fixedly mounted on fixed support 610.At this moment, the end of bottom heater 120 there is no need must be connected on the said fixing support 610.
In addition, the drive unit 620 that constitutes horizontal transmission portion 600 is fixedly mounted on the inside of the outer side surface or the electric control chamber 300 of cooking room 200, drives drive link 621 by drive unit 620.Drive unit 620 is to install towards the direction that drive link 621 is protruded to cooking room 200 front sides, and drive link 621 secure bond are on fixed support 610.
A process that embodiment control procedure flowchart text utilizes electronic microwave furnace structure of the present invention to control below with reference to movement state diagram and Fig. 6 of Fig. 3 a to Fig. 5.
Shown in Fig. 3 a to Fig. 3 c, when not using microwave oven or inapplicable grid cooking method, and use usual way to carry out when microwave cooked, bottom heater 120 stands on the rear surface in the cooking room 200.
When utilizing upper portion heater 110 and bottom heater 120 to cook, on article rack 400, place gratin stage S110;
When control is carried out in action, be rotated down stage S120 by heater rotating part 500 control bottom heaters 120;
Concrete is: heater rotating part 500 control drive motors 510 rotate, and the pitch wheel 520 that is combined in drive motors 510 and bottom heater 120 ends respectively also rotates, and drive bottom heater 120 rotations thereupon.
Shown in Fig. 4 a and Fig. 4 b, bottom heater 120 relative article racks 400 are in horizontal accumbency state.
Because the height of bottom heater 120 is shorter, so can not run into the article rack 400 that is positioned at upside in rotary course.
When bottom heater 120 had just rotated to level, the position of bottom heater 120 was not the central part that is in cooking room 200, promptly not in the bottom of gratin, had only the front side of bottom heater 120 just to be positioned at the bottom of gratin.This is because the short cause of the entire length of bottom heater 120.
Therefore, bottom heater 120 need be moved to the central part stage S130 of cooking room 200; Make the whole position of bottom heater 120 be positioned at gratin under.Above-mentioned action is finished by horizontal transmission portion 600.
When constituting drive unit 620 operations of horizontal transmission portion 600, drive link 621 moves forward, and the fixed support 610 that combines with drive link 621 also moves simultaneously, thereby makes bottom heater 120 move to the center side of cooking room 200.
Be fixed on the fixed support 610 owing to rotate the heater rotating part 500 of bottom heater 120, thus heater rotating part 500 also with the front side of bottom heater 120 to cooking room 200 in to mobile.
Said process, the support portion 611 that protrude fixed support 610 upper ends is done stable, mobile swimmingly along the support saddle 230 that is formed on cooking room 200 walls.
Said process as shown in Figure 5, bottom heater 120 is positioned at the central authorities of cooking room 200, i.e. the bottom of gratin, upper portion heater 110 and bottom heater 120 can heat the upside and the downside that are placed on gratin on the article rack 400 after beginning heating equably.
After gastronomical process finished, bottom heater 120 can return to initial position once more.
Recovery process, bottom heater 120 course of action are just in time opposite during with the cooking thing.
Concrete process is: each heater 110,120 interrupt phase S150; Drive the rear space mobile phase S160 of bottom heater 120 in cooking room 200 by horizontal transmission portion 600; Then by the driving of heater rotating part 500, bottom heater 120 rotates up stage S170; Final bottom heater 120 vertically stands on the rear surface in the cooking room 200, and overall process finishes.
After the gastronomical process of gratin finishes, can at first rotate bottom heater 120 after, by control horizontal transmission portion 600 bottom heater 120 is moved horizontally involution to original position or be set at and move horizontally when bottom heater 120 rotates again.
Fig. 7 is another embodiment control procedure flow chart of micro-wave oven of the present invention.
As shown in Figure 7, as shown in Figure 7, at first move forward bottom heater 120 by horizontal transmission portion 600 control after, the control rotation bottom heater 120 by heater rotating part 500 again.
In this process, after the gratin gastronomical process finished, the process that bottom heater 120 returns to original position was opposite with embodiment bottom heater 120 course of action in the present invention.
In addition, after also can being set at mobile at first backward bottom heater 120 after the gastronomical process end, rotate above-mentioned bottom heater 120 by the control of heater rotating part 500 again.
Claims (7)
1. microwave oven, include that upside is provided with the upper portion heater that hot gas is provided towards the cooking room inner space, the article rack of placing gratin in the cooking room in micro-wave oven body, the micro-wave oven body, it is characterized in that also comprising: bottom heater (120), the heater rotating part (500) that is used to rotate bottom heater (120), horizontal transmission portion (600); Article rack (400) is positioned between upper portion heater (110) and the bottom heater (120); Bottom heater (120) is arranged on the bottom space in the cooking room (200), and its both-side ends runs through and is combined in the pilot hole (210) that forms on the two side walls in the cooking room; Horizontal transmission portion (600) comprises fixed support (610) and drive unit (620), wherein on fixed support (610) secure bond at least one the tip of the axis in bottom heater (120), drive unit (620) drives fixed support (610) and moves towards the fore-and-aft direction of cooking room.
2. according to the microwave oven described in the claim 1, it is characterized in that described bottom heater (120) is at least more than the bending once.
3. according to the microwave oven described in the claim 2, it is characterized in that the crooked part of described bottom heater (120) has certain-length, makes and do not run into article rack (400) when bottom heater (120) rotates up and down in cooking room.
4. according to the microwave oven described in the claim 1, it is characterized in that described heater rotating part (500) is positioned at the inner space of electric control chamber (300).
5. according to the microwave oven described in the claim 1, it is characterized in that described heater rotating part (500) comprising: the drive motors (510) that produces driving force; Be combined in axle and bottom heater (120) end and the intermeshing a pair of gear (520) of drive motors (510) respectively.
6. according to the microwave oven described in the claim 1, it is characterized in that on the outer side surface of described cooking room (200) protruding to be formed with supporting saddle (230) along the fore-and-aft direction of cooking room; Also be formed with on the fixed support (610) to be combined in and support that saddle (230) is gone up and by supporting the support portion (611) that saddle (230) supports.
7. according to the microwave oven described in the claim 1, it is characterized in that described heater rotating part (500) secure bond on the fixed support (610) of horizontal transmission portion (600), and can move along horizontal direction with bottom heater (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100728903A CN100432541C (en) | 2004-11-26 | 2004-11-26 | Electronic microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100728903A CN100432541C (en) | 2004-11-26 | 2004-11-26 | Electronic microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1779344A CN1779344A (en) | 2006-05-31 |
| CN100432541C true CN100432541C (en) | 2008-11-12 |
Family
ID=36769760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100728903A Expired - Fee Related CN100432541C (en) | 2004-11-26 | 2004-11-26 | Electronic microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432541C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128335A (en) * | 1994-06-13 | 1996-08-07 | 惠而浦欧洲有限公司 | Microwave oven with bottom heater |
| EP0792088A2 (en) * | 1996-02-23 | 1997-08-27 | Samsung Electronics Co., Ltd. | Microwave oven with heating element protection |
| CN1253613A (en) * | 1995-12-22 | 2000-05-17 | 大宇电子株式会社 | Microwave oven having heater apparatus |
| EP1113707A2 (en) * | 1999-12-31 | 2001-07-04 | Lg Electronics Inc. | Heating device for microwave ovens |
| CN1465888A (en) * | 2002-07-04 | 2004-01-07 | 乐金电子(天津)电器有限公司 | Microwave oven with built-in heater |
-
2004
- 2004-11-26 CN CNB2004100728903A patent/CN100432541C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1128335A (en) * | 1994-06-13 | 1996-08-07 | 惠而浦欧洲有限公司 | Microwave oven with bottom heater |
| CN1253613A (en) * | 1995-12-22 | 2000-05-17 | 大宇电子株式会社 | Microwave oven having heater apparatus |
| EP0792088A2 (en) * | 1996-02-23 | 1997-08-27 | Samsung Electronics Co., Ltd. | Microwave oven with heating element protection |
| EP1113707A2 (en) * | 1999-12-31 | 2001-07-04 | Lg Electronics Inc. | Heating device for microwave ovens |
| CN1465888A (en) * | 2002-07-04 | 2004-01-07 | 乐金电子(天津)电器有限公司 | Microwave oven with built-in heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1779344A (en) | 2006-05-31 |
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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: 20081112 Termination date: 20091228 |