CN100534362C - Heating cooker - Google Patents
Heating cooker Download PDFInfo
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- CN100534362C CN100534362C CNB2006100005513A CN200610000551A CN100534362C CN 100534362 C CN100534362 C CN 100534362C CN B2006100005513 A CNB2006100005513 A CN B2006100005513A CN 200610000551 A CN200610000551 A CN 200610000551A CN 100534362 C CN100534362 C CN 100534362C
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Abstract
The invention discloses a heating cooking instrument, which comprises the following parts: heating chamber (2) to contain cooked food (4), heating device (12) to heat heating chamber (2), steam happening device (13), vent device (10), venting wind (17), wherein the micro-steam (20) of venting wind (17) is added in the heating chamber (2) to cook food.
Description
Technical field
The present invention relates to a kind of heating devices such as microwave oven of being supplied with water vapour and cooking by gratin in heating clamber.
Background technology
This heating device originally, shown in patent documentation 1-TOHKEMY 2004-316999 communique, possess: have the convection fan of generation circulated air and the convection cell of convection heater, be arranged on suction inlet and blow-off outlet on the interface wall of this convection cell and heating clamber, generate the steam of supplying with the steam in the heating clamber and generate container, this steam generates container and is arranged near the suction inlet.
In addition, shown in patent documentation 2-TOHKEMY 2004-028578 communique, its structure possesses: the high frequency generating apparatus of launched microwave in heating clamber, produce the vaporising device of steam, to the feedwater portion that vaporising device supplies water, the control device of control feedwater etc. utilize the high frequency and the steam of the confluent that has preestablished each cooking needs on the control device of feedwater portion to carry out cooking.
And, shown in patent documentation 3-TOHKEMY 2004-278853 communique, measure in the thermatron of subsidiary steam generating function of mode of food temperature, control heating utilizing infrared temperature sensor, possess: high frequency generating unit, the vapor generation part that constitutes by evaporating dish that is arranged on bottom of heating chamber and heater assembly; Heater assembly constitutes by sheathed heater is embedded in the aluminum alloy die casting, and directly invests the inboard of evaporating dish.
In above-mentioned prior art, device shown in the patent documentation 1, because the steam generation container that produces steam being arranged on the air suction inlet of convection fan is that air flows into a side, so the mixing of the air stream of steam that produces and inflow convection fan is carried out too swimmingly, is difficult to the size of steam is changed.
In addition, the wind pushing temperature of convection fan, the low occasion of temperature that flows into the high-temperature steam in the heating clamber is compared in the convection heater heating of flowing out a side by the air that is arranged on this convection fan, sometimes steam can condense into dew on convection fan, because this dew that condenses disperses, and sometimes fan electromotor or electronic devices and components etc. is exerted an adverse impact.
Have again, generate container, thereby air is difficult to flow owing to be provided with steam in the inboard of convection cell, when causing channel resistance to increase, the compactedness that also hinders convection cell.
In addition and since steam generate container be configured in convection fan near, so the heat that the steam that is heated by convection heater generates container by convection fan or absorbed, steam generates container and is difficult to heating.
And, because its purpose only is only will be in the steam utilization of superheat state in the effect that reaches the heating heating object, extremely shorten, so other of the steam that produced of consideration utilizes method will cook the time.
In addition, other problem is that because steam generation container is arranged near the suction inlet of heating clamber rear wall, so the residue of food etc. enter steam generation container easily, its cleaning is pretty troublesome.
And, be its opened upper end because steam generates container, portion's structure of dripping downwards from it, so, can alikely disperse because of flowing of hot blast to water droplet, contained one-tenth grades because of the incrustation scale of separating out formation is attached on the convection cell easily in the hard water, also produces the problem of its cleaning performance variation.
Secondly, device shown in the patent documentation 2, identical with above-mentioned patent documentation 1, be provided with the vaporising device that produces steam in the bottom of chamber with circulating fan, flow into a side owing to will import to the air of circulating fan, thereby be difficult to make the size of air to change by the steam that this vaporising device produced.
In addition, also produce because this class problem of compactedness of the chamber of the channel resistance increase that the dewfall water droplet on the circulating fan disperses or air flows, obstruction assembling circulating fan etc.
And, though in patent documentation 2, recording and narrating, because the output of various electric waves that will be corresponding with food variety and the combination of humidity are stored in the semiconductor memory, calling the stored information that needs when the cooking carries out, even thereby the cooking content of complexity also can be finished simply a little, can cook extremely meticulously.But the problem that exists is even can be stored in the electric wave output corresponding with the kind of food and the combination of humidity in the memory, if do not know the amount (for example food quality, how many people's share) of food, can not correctly add thermal control.And as its countermeasure, the user must manually import the amount or the heat time heating time of food according to operation manual, therefore also exists the user must utilize title to wait the problem of the amount of weighing food in advance.
In addition, the device shown in the patent documentation 3 is in the thermatron of subsidiary steam generating function, as one of above-mentioned countermeasure, even do not know the amount of food, also can utilize infrared temperature sensor to measure the temperature of food, the method for control heating.
, there is the temperature survey that utilizes infrared temperature sensor under the environment of steam, the problem below in this specification, having pointed out.
That is, if be full of steam in the heating clamber, the temperature that infrared temperature sensor is measured is not the temperature of heating object (food etc. are by gratin) just, but and the temperature of the steam suspended particles that exist between the heating object.Therefore, can not measure the temperature of heating object exactly.So, just move according to the thermal control that adds that the temperature detection result of infrared temperature sensor is carried out undesiredly, produce inappropriate situation such as for example underheat, over-heating etc., particularly in the occasion of carrying out automatic-cooking in chronological order, enter next stage with the poor heating state, can not or put cold the grade by simple heating again and handle, also might finish with cooking failure.
Therefore, in utilizing the cooking of steam, utilize infrared temperature sensor be difficult to correctly to measure in the heating clamber by the temperature of gratin, exist the infrared temperature sensor can not be as the problem of the device that adds thermal control.
Summary of the invention
Purpose of the present invention just is to solve at least one the problems referred to above.
In order to address the above problem, the heating device of the present invention's first scheme possesses the heater that holds by the heating clamber of gratin and this heating clamber of heating, it is characterized in that having; Produce the steam raising plant of water vapour and along with the above-mentioned heating clamber of air flow, the air-supply arrangement that water vapour is impacted and makes it pulverize carefullyyer, to jet to the air stream that flows out from above-mentioned air-supply arrangement from the water vapour that above-mentioned steam raising plant is supplied with, to mix with air stream because of the water vapour that the impact that this winding-up forms is pulverized carefullyyer and supply in the above-mentioned heating clamber, it is characterized in that, the water vapour that has mixed with air stream, at least contain less than the ultra-fine water vapour of 1000 nanometers and the fine water vapour more than 1 micron, above-mentioned ultra-fine water vapour mainly is penetrated into by in the gratin, make above-mentioned fine water vapour mainly attached to by the surface of gratin, be somebody's turn to do by gratin with cooking.
The feature of the heating device of alternative plan of the present invention is, to jet to the air stream that just flows out from the water vapour that above-mentioned steam raising plant is supplied with, will mix with air stream because of the water vapour that the impact that this winding-up forms is pulverized carefullyyer and supply in the above-mentioned heating clamber from above-mentioned air-supply arrangement.
The feature of the heating device of third party's case of the present invention is, has the hot air supply device that comprises above-mentioned heater, above-mentioned air-supply arrangement and cover the air channel of this air-supply arrangement, the water vapour that will mix to the inboard ejection of this hot air supply device and with air stream, further be heated as the water vapour of high temperature by the heater of this hot air supply device, and the water vapour of this high temperature is supplied in the above-mentioned heating clamber.
The feature of the heating device of the cubic case of the present invention is to possess: detect by the quality detection device of the quality of gratin and the control device of regulating the water vapour amount in the heating clamber that supplies to; According to the detected value of above-mentioned quality detection device, the water vapour amount that the control of above-mentioned control device is supplied with from above-mentioned steam raising plant, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
The feature of the heating device of the present invention's the 5th scheme is, possess: also load by the non-rotary objective table of gratin the bottom surface that is arranged on above-mentioned heating clamber, detection is regulated the control device that supplies to the water vapour amount in the above-mentioned heating clamber by the quality detection device of gratin quality; By above-mentioned quality detection device detect on the above-mentioned objective table by the quality of gratin, the water vapour amount of supplying with from above-mentioned steam raising plant by the control of above-mentioned control device according to this detected value, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
The feature of the heating device of the present invention's the 6th scheme is, possess: also load by the non-rotary objective table of gratin the bottom surface that is arranged on above-mentioned heating clamber, be arranged on below the objective table and detect in the mode that supports this objective table, regulate the control device that supplies to the water vapour amount in the above-mentioned heating clamber by a plurality of quality detection devices of gratin quality; The summation of the detected value by above-mentioned a plurality of quality detection devices detect on the above-mentioned objective table by the weight of gratin, the water vapour amount of supplying with from above-mentioned steam raising plant by the control of above-mentioned control device according to this weight, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
The feature of the heating device of the present invention's the 7th scheme is, possess: also load by the non-rotary objective table of gratin the bottom surface that is arranged on above-mentioned heating clamber, have to make and utilize the warmed-up hot air supply device that adds hot-air at the above-mentioned air-supply arrangement of above-mentioned heating indoor circulation of above-mentioned heater, the reducing mechanism that constitutes by air-supply arrangement, be arranged on below the objective table and detect in the mode that supports objective table, regulate the control device that supplies to the water vapour amount in the heating clamber by a plurality of quality detection devices of gratin quality; The summation of the detected value by above-mentioned a plurality of quality detection devices detect on the above-mentioned objective table by the weight of gratin, in the time of the water vapour amount supplied with from above-mentioned steam raising plant by the control of above-mentioned control device according to this weight, further heat, pulverize water vapour by above-mentioned heater and the above-mentioned air-supply arrangement that constitutes hot air supply device, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
The present invention has following effect:
According to first scheme of the present invention, owing to will jet to the air stream that flows out from air-supply arrangement from the water vapour that steam raising plant is supplied with, because of its impact is pulverized water vapour thinner, to flow mixed water vapour with air supplies in the heating clamber, thereby spray from steam raising plant, the water vapour of supplying with can generate the fine water vapour of micron to nano grade, and, even just in case from the unevaporated fine liquid particles of steam raising plant with vaporific ejection, owing to can pulverize carefullyyer by reducing mechanism etc., therefore, can realize simultaneously utilizing nano level ultra-fine water vapour to preserved moisture fast by gratin and utilize the above fine water vapour of micron order to undertaken by gratin high efficiency cooking these two.
According to alternative plan of the present invention, by air-supply arrangement is also used as reducing mechanism, make from steam raising plant water vapour of supplying with and the air that flows out from air-supply arrangement and flow warm work, confuse and impact, produce fine water vapour, thus can realize simultaneously by gratin preserve moisture fast and by the high efficiency cooking of gratin.Compact and cost degradation that thus can corresponding realization water vapour generating mechanism.
According to third party's case of the present invention, because the water vapour that further utilizes hot air supply device heating to mix with air stream from air-supply arrangement, thereby can expeditiously water vapour be supplied in the heating clamber by shared hot air supply device.
According to cubic case of the present invention, just do not utilize the fine water vapour that generates to being heated by gratin, can also utilize ultra-fine water vapour to being preserved moisture by gratin, can enlarge the range of application of the utilization of the water vapour that generates by the water vapour generating means.
According to the 5th scheme of the present invention, because also being applicable to, the described structure of the cubic case of first scheme to the will be loaded in the microwave oven of the rotation cooking on the circular stage by gratin, can be according to being supplied with corresponding water vapour amount by the kind of gratin, menu, Weight control, thereby can realize having utilized the best of steam to cook.Certainly, utilized the cooking of quality detection device, the best thermal control that adds that can realize remedying fully the problem that infrared temperature sensor brings is self-evident.
In addition, according to the 6th scheme of the present invention, the described structure of the cubic case of first scheme to the also is applicable to has loaded by the non-rotary objective table without spin of the objective table of the gratin ripple baking box that declines, and can obtain and above-mentioned same effect.
Have again, according to the of the present invention the 7th and the case from all directions, since by for example summation of the detected value of 3 quality detection devices detect on the above-mentioned objective table by the quality of gratin, both can be according to this detected value by the water vapour amount of control device control from the steam raising plant supply, can also determine to be loaded in " loaded " position on the objective table according to the ratio of the output valve of this quality detection device by gratin, thereby can be to this by the gratin water vapour of jetting effectively.
Description of drawings
Fig. 1 is the sectional view of electronic microwave baking box of the present invention.
Fig. 2 is the rear perspective view of the electronic microwave baking box of Fig. 1.
Fig. 3 is a water vapour of the present invention to by the schematic diagram of the effect of gratin.
Fig. 4 is the sectional view with electronic microwave baking box of quality detection device of the present invention.
Fig. 5 is the sectional side view of condenser type quality detection device of the present invention.
Fig. 6 is with the structure chart of 3 support objective tables in quality detection device of the present invention.
Fig. 7 is the flow chart of cooking method of the present invention.
Fig. 8 is the sectional view of turntable type microwave oven of the present invention.
Symbol description
1 main body, 2 heating clamber 2a inlet hole 2b blow-off outlets
3 objective tables, 5 hot blast unit, 10 air-supply arrangements, 12 heaters
13 steam raising plants, 18 blow-off outlets, 19 water vapours, 20 fine water vapours
21 condensing water droplets, 22 quality detection devices, 27 control device
The specific embodiment
Below, be that example illustrates heating device of the present invention with electronic microwave baking box with the thermatron that constitutes by magnetron etc.Have, the present invention also goes for heating devices such as electric oven, micro-wave oven again.
Fig. 1 is the sectional view of electronic microwave baking box of the present invention.
Fig. 2 is the rear perspective view of the electronic microwave baking box of Fig. 1, is the state that has taken off in main body the place ahead as the cover 35 of housing.
The main body 1 of electronic microwave baking box comprises: hold cooking food etc. by the heating clamber 2 of gratin 4, placement be arranged on this heating clamber 2 bottom surface 2c by the non-rotary objective table 3 of gratin 4, the hot blast unit 5 that hot blast is circulated in heating clamber 2, magnetron 6 as microwave cooked heating source, the waveguide 7 of guiding microwave is to the rotary antenna 8 of heating clamber 2 irradiating microwaves and antenna motor 9 etc.
Because of above-mentioned magnetron 6, backward wave tube 7, rotary antenna 8 and antenna motor 9 are well known, though omitted its detailed description, these constituent parts are configured in the Machine Room between heating clamber 2 and main body 1 bottom surface as shown.
The employed hot blast of oven cook unit 5 constitutes hot air supply device, it comprises: air channel 5a, rotation is arranged on the air-supply arrangements such as fan 10 of the cardinal principle middle position in the 5a of this air channel freely, be arranged on this air-supply arrangement 10 periphery about, it is the heater 12 of heater etc. of the outflow side of air stream, be installed in fan motor 11 on the 5a of air channel etc., and be configured in the back face wall of main body 1.
In addition, the back face wall of heating clamber 2 is provided with a plurality of inlet hole 2a that formed by punching, blows out hole 2b, inlet hole 2a is arranged on the approximate centre portion facing to air-supply arrangement 10, and promptly the position of the inlet hole 2a of air stream blows out hole 2b and is arranged on the position that faces toward heater 12 up and down.
And the place ahead of main body 1 is provided with puts into taking-up by the door 36 of the freely openable of gratin 4.
The main body 1 of the electronic microwave baking box of Fig. 1 and Fig. 2 at the heating clamber 2 central objective tables that do not have rotation, is to be called as so-called no turntable type microwave oven.
Here, label 13 is steam raising plants, comprises the container 13a of water supply, heats the heater 13b of this container 13a, thermistor equitemperature detector (not shown) etc., and these are configured between the back face wall of hot blast unit 5 and main body 1.
In addition, the metal material that container 13a gets rusty with difficulties such as the aluminium alloy material of aluminium alloy compression casting etc. or stainless steel materials constitutes, and heater 13b is with the formations such as sheathed heater of the wall portion that imbeds container 13a.But container 13a, heater 13b are not necessarily limited to these structures, and container 13a preferably makes its thermal capacity less in order to shorten the heating-up time, and the quality of more wishing container 13a is for well about 100g～200g.Heater 13b wishes under 100V voltage equally in order to shorten the heating-up time, and its electrical power is for well about 500W～1000W.
Like this, by quality and electrical power are taken as above-mentioned numerical value, the heating-up time that steam raising plant 13 can be reached design temperature shortens to 30 seconds～about 1 minute, or under it.
Certainly, container 13a and heater 13b both needn't be defined in such specification or numerical value, also can be divided into container 13a and heater 13b a plurality of respectively.In addition, when the outer wall of steam raising plant 13 covers with heat-barrier material, when having suppressed peripherad heat radiation, both shorten the heating-up time, also improved the efficiency of heating surface and energy-conservation.
Supply water to container 13a, by carrying out through water pump 15 and aqueduct 34 from the tank 14 that is arranged in the main body 1.Here, if consider the health aspect of water, preferably contain the running water of a little chlorine component etc.In addition, tank 14 and water pump 15, aqueduct 34 there is no need to be limited to the position of Figure 1 and Figure 2.Especially, tank 14 is positioned at the position of taking out from the place ahead of main body 1 easily for well, and in order to see from the preceding of main body 1, all can in the bottom surface or the top or side that are positioned at this main body 1.
Label 18 is blow-off outlets of steam, is connected on the steam raising plant 13, and its front opening is so that can spray to the air stream that flows out from air-supply arrangement 10.And, preferably make opening spray to the air stream that has just flowed out, thereby collide with this air stream from air-supply arrangement 10.In addition, the size of the diameter of blow-off outlet 18 and quantity are the parameters of control water vapour spouting velocity, and in the present invention, the diameter of blow-off outlet 18 is preferably 1～3mm, and number is preferably 2～4.
When the no turntable type electronic microwave baking box that has a hot blast unit 5 of above structure when employing had used the baking cooking of hot blast, the present invention carried out according to the following steps.
(1) when hot blast unit 5 running, air-supply arrangement 10 is connected, and sucks inflow wind 16 in the hot blast unit 5 from heating clamber 2 by inlet hole 2a, and the rotation by air-supply arrangement 10 becomes outflow wind 17 at a high speed and goes out from this air-supply arrangement 10.
(2) in steam raising plant 13, heater 13b connects, and container 13a begins to heat up.
(3) as container 13a during, by means of water pump 15 water of predetermined amount of water is supplied with steam raising plant 13 from tank 14 by aqueduct 34 near design temperature.As an example of design temperature, be more than the saturation temperature of water boiling and evaporation, though be preferably about 150 ℃～250 ℃, even at also no problem below 150 ℃ or more than 250 ℃.
In addition, predetermined amount of water is though according to as being cooked menu and difference by the food of gratin 4 or its, be preferably about 5cc/ branch～20cc/ branch.
(4) when when steam raising plant 13 supplies water, this supplies water and contacts just instantaneous boiling, evaporation, generation saturated vapor with the inwall of the container 13a that keeps high temperature etc.Saturated vapor saturation temperature under atmospheric pressure is 100 ℃.Have again, though the method that present embodiment adopts be, in operation (2) in (4), container 13a is heated up, after making steam raising plant 13 reach design temperature, supply with a spot of water continuously or off and on, it is seethed with excitement instantaneously and evaporate to this steam raising plant 13; As method for distinguishing, also can a mode that adopt be that the water with ormal weight is stored in the steam raising plant 13 earlier, thereafter, makes the steam raising plant 13 of water storage heat up and evaporate the water at leisure.
(5) vaporized saturated vapor 19 is because relatively about the volumetric expansion to 1600 of water times, so this water vapour 19 sprays fiercely from the blow-off outlet 18 as the steam ejiction opening of steam raising plant 13.The size of blow-off outlet 18 and number become the parameter of the spouting velocity of control water vapour 19 as the above, thereby in the present invention, the diameter of blow-off outlet 18 is preferably 1～3mm, and number are preferably 2～4.
(6) from the water vapour 19 of steam raising plant 13 ejections, fiercely collide and apply impulsive force with the high velocity stream air-out of just sending out from air-supply arrangement 10 17 that generates in above-mentioned (1), large diameter water vapour contained in this water vapour 19 is pulverized carefullyyer.Have again, from the water vapour 19 of above-mentioned steam raising plant 13 ejections also can not be to meet with the high velocity stream air-out 17 after air-supply arrangement 10 is sent out, but outflow end one side that air is flowed, for example the short transverse position of steam raising plant in Fig. 1 13 and air-supply arrangement 10 relation is approaching, makes the water vapour 19 that gushes out from blow-off outlet 18 blow leading section one side contacts with the flabellum portion of air-supply arrangement 10.In addition, the position of steam raising plant 13 and air-supply arrangement 10 is closed and is tied up in the state of Fig. 1, and socket is connected on the blow-off outlet 18, also can be directed to air-supply arrangement 10 to water vapour 19 as described above by this socket.
Therefore, the invention is characterized in, the air-supply arrangement 10 that is made of radial fan etc. is reducing mechanisms of pulverizing water vapour thinner, the water vapour of supplying with from steam raising plant 13 19 by with the flabellum leading section periphery of air-supply arrangement 10, perhaps the high velocity stream air-out 17 (air stream) that just flows out from air-supply arrangement 10 collides intensely, thereby water vapour 19 is impacted to pulverize it thinner.Here, the kind of air-supply arrangement 10 can not be a radial fan also, and can be cross flow fan or multi blade fan, turbofan etc.
(7) the different water vapour of diameter that is generated by above-mentioned (6) thereafter, by 12 heating of the heater in the hot blast unit 5, becomes the high-temperature hot-air that contains a large amount of fine water vapour 20 grades, from blow-off outlet 2b supply heating clamber 2 and by gratin 4.
Though the temperature that comprises in a large number by the high-temperature hot-air of fine water vapour 20 grades of heater 12 heating can reach about 100 ℃ to 350 ℃, in the present embodiment, considers the occasion of oven cook, more wishes to be advisable about 200 ℃ to 300 ℃.
In addition, of the present inventionly be heated, the feature of chippy fine water vapour 20 is, comprises the ultra-fine water vapour of nanoscale (size of hydrone be about 0.3nm (nanometer) to less than 1000nm) and the fine water vapour more than the micron order (about 1 μ m (micron)) at least.Certainly, the tens of occasions that are included in ejection in the water vapour 19 to hundreds of micron-sized fine water droplets that do not evaporate in steam raising plant 13 are also arranged, or become the occasion of fine water droplets from the sharply cooling of just just having gushed out of the water vapour 19 of steam raising plant 13 ejection, but any fine water droplets can both further be pulverized carefullyyer by air-supply arrangement 10 and heater 12 as reducing mechanism of the present invention.
(8) the fine water vapour 20 that generates by above-mentioned (1)～(7) (comprising the above fine water vapour of nano level ultra-fine water vapour and micron order), be blowed in the heating clamber 2 by on the gratin 4 and with its effect, obtain following effect shown in Figure 3.
That is, an effect is that the nano level ultra-fine water vapour 20a that is included in the diameter minimum in the fine water vapour 20 is impregnated into by the inside of gratin 4, by being carried out humidification to this by gratin 4 supply moisture or preserving moisture.This be because, because the size of nano level ultra-fine water vapour, than little, so can be at an easy rate from being penetrated into inside by the top layer of gratin 4 by the fine and closely woven degree of the raw material on gratin 4 top layers etc.
On the other hand, also have an effect to be, be included in the big slightly fine water vapour 20b contact of the above diameter of micron order in the fine water vapour 20 and,, carry out high efficiency and heat owing to producing very big heat energy at the low surface condensation of temperature by gratin 4 attached to by the surface of gratin 4.That is, fine water vapour 20b produces condensation latent heat by becoming condensing drip 21, to being carried out cooking efficiently by gratin 4.Certainly, two effects of above-mentioned of the present invention fine water vapour 20 are main effects, both can derive effect in addition, and the effect of 2 kinds of water vapours can be replenished again mutually.
Have, the order of each operation of above-mentioned operation (1)～(4) also can be replaced respectively again.
Fig. 4 is an another embodiment of the present invention, though same as in figure 1 is the electronic microwave baking box of no turntable type, but the objective table 3 that is configured on heating clamber 2 bottom surfaces separates with heating clamber 2, can freely install and remove with heating clamber 2, being provided with measurement by the quality detection device 22 of gratin 4 weight below objective table 3, is maximum difference.
According to this structure, it is characterized in that, can utilize quality detection device 22 detect on the objective tables 3 by the weight of gratin 4, and the water vapour amount of supplying with from steam raising plant 13 by control device 27 control according to this detected value 19, and will with supplied with in the heating clambers 2 by the corresponding an amount of fine water vapour 20 of the cooking content of gratin 4.
Fig. 5 is an example of quality detection device 22, and measuring principle is capacitive checkout gear.This condenser type quality detection device 22 is made of movable electrode 28 that makes with the thin-sheet metal material and fixed electrode 29, is installed on the bottom of heating chamber 2c.
Here, fixed electrode 29 and the relative configuration in movable electrode 28 almost parallel ground, and keep predetermined gap, promptly detect space 30, between this fixed electrode 29 and movable electrode 28, form capacitor, the variation that will and be loaded in the detection space 30 between corresponding mobile movable electrode 28 of the weight by gratin 4 on the objective table 3 and the static fixed electrode 29 is converted to the variation of capacitance, calculates by the weight of gratin 4 from detected electric capacitance change.Have, quality detection device 22 of the present invention needn't be defined in condenser type again, also can be strain-type or optical sensor etc.
In addition, Fig. 6 be the quality detection device with Fig. 4 22 seen from above electronic microwave baking box 1 bottom of heating chamber 2c overlook sketch map.In the present embodiment, be provided with 3 quality detection devices 22 in the bottom of objective table 3, objective table 3 by the left forward side portion of quality detection device 22a, the bottom of heating chamber 2c of the rear central portion of bottom of heating chamber 2c quality detection device 22b and these 3 of the quality detection device 22c of the right forward side portion of bottom of heating chamber 2c stably support.Having, utilize quality detection device 22 to support objective table 3 and be not necessarily limited to 3 points, also can be 4 points, and, also can be the support of number in addition.
In Fig. 4 and Fig. 6, the holding wire that is drawn out to control device 27 from quality detection device 22 is respectively a quality testing signal 23, the holding wire that is drawn out to rotary antenna 9 from control device 27 is an antenna control signal 24, the holding wire that is drawn out near the steam raising plant 13 hot blast unit 5 sides from control device 27 is a quantity of steam control signal 25, the holding wire that is drawn out to magnetron 6 from control device 27 is a microwave control signal 26, and the holding wire that is drawn out to heater 12 from control device 27 is a heating control signal 40.Have, holding wire beyond the detection signal shown in, the control signal and power line omit here again.
Then, the flow chart of use Fig. 7 specifically describes the automatic cooking method in the no turntable type microwave oven 1 with above-mentioned Fig. 4 quality detection device 22 extremely shown in Figure 6 and hot blast unit 5.
At first, open door 36,, close this door 36 being loaded on the objective table 3 by gratin 4.Then, manually import food variety or cooking menu content by keyboard on the guidance panel or button etc. (figure omits).Have again, in discerning automatically, also can omit this stage 1 by the cooking machine of gratin etc.
Behind the affirmation cooking menu content etc., manually import by keyboard or button etc. equally and cook beginning (beginning).Have, these manual inputs can not carried out on the guidance panel of main body 1 again, in the heating device that carries out with remote control, can be undertaken by the long-distance remote control operation yet.
Behind the EO in stage 2, the control device 27 of microwave oven 1 just sends instruction, carries out automatically by the quality testing of gratin (food) 4 by quality detection device 22.Promptly, in the microwave oven 1 of present embodiment, owing to can detect automatically by the weight of gratin 4, the user does not need manually input by the weight information of gratin 4 (weight is how many grams or how many people's share etc.), thereby, exempted the user and measured before use by the weight of gratin 4, or the manually operation of trouble such as input weight information.
In the present embodiment, carry out by the quality testing of gratin 4 automatically as follows.
(1) by being arranged on 3 quality detection device 22a, 22b, the 22c of objective table 3 bottoms, detects weight W a, Wb, the Wc of each strong point.
(2) utilize the summation (W=Wa+Wb+Wc) of 3 quality detection device 22a, 22b, 22c calculate on the objective table 3 by the weight of gratin 4.
Owing to known the kind and the cooking contents of menus of food in the stage 1, known the weight of food (by gratin) 4 in the stage 3, thereby just can determine heat time heating time according to these information.The setting of this heat time heating time is also automatically calculated, is determined by control device 27 grades.
In the occasion of not using the steam cooking, this stage 5 does not need, but in using the cooking of steam, then automatically calculate and determine the steam growing amount by the kind of gratin 4 and cooking menu, by the weight of gratin 4, heat time heating time according to above-mentioned as present embodiment.The control of steam growing amount can be undertaken by the output that for example utilizes control device 27 controls to supply with steam raising plant 13.Have, the temperature control of hot blast or steam is undertaken by heater 12 or 13b again.
Above-mentioned calculating and determining of respectively measuring almost automatically carried out in moment, thereafter, automatically brought into use the cooking of steam.Steam growing amount in the cooking according to by information such as the kind of gratin 4, cooking menu, quality, is suitably controlled by control device 27.The existing cooking that produces steam continuously from steam raising plant 13 also has the cooking that produces steam off and on; Existing steam growing amount can be the cooking about 5cc/ divides, and the cooking that needs about 20cc/ divides is also arranged.In addition, hot blast temperature also will control to the temperature that is suitable for toasting the cooking, for example, and about 200 ℃～300 ℃.Have again, here, occasion (for example microwave cooked) in the baking cooking that does not need high-temperature hot-air, the heater 12 that constitutes hot blast unit 5 is disconnected, only air-supply arrangement 10 is connected and got final product, this occasion, air-supply arrangement 10 also plays the effect of reducing mechanism, carries out tinyization, the miniaturization of water vapour.
These are by relation of each amount of control of the information of the kind of gratin 4, the cooking menu, quality etc. and steam growing amount or hot blast temperature etc., the information from control device 27 grades that are stored in microwave oven 1 in advance and can calculate based on its calculating.
In the use of stage 6 beginning the cooking of steam, undertaken by the time of setting (in the heat time heating time of stage 6 decisions).
Then, after through the time of setting (heat time heating time), end of cooking, and inform that the user finishes.
Except that above-mentioned cooking method, adopt structure of the present invention, can also following carrying out.Promptly, by being arranged on 3 quality detection device 22a of objective table 3 bottoms, 22b, 22c, detect the weight W a of each strong point, Wb, behind the Wc, owing to can utilize this 3 quality detection device 22a, 22b, the summation (W=Wa+Wb+Wc) of the quality that 22c detects calculate on the objective table 3 by the weight of gratin 4 time, weight W a from above-mentioned 3 strong points, Wb, the ratio of the detected value of Wc (distribution of weight) is calculated by the " loaded " position of gratin 4, the fine water vapour 20 so can jet towards its " loaded " position concentrated area, but also can control the rotation cover microwave of (also comprise and stopping) rotary antenna 8.
Have again, as mentioned above for the fine water vapour 20 of jetting to the " loaded " position concentrated area, in Fig. 1, Fig. 4 etc., be necessary that blowing to blowing out in the hot blast unit 5 in front of the 2b of hole of heating clamber 2 at fine water vapour 20 is provided with the mobile flow control apparatus (not shown) of control according to detected " loaded " position.This flow control apparatus can be an electric-powered shutter.
In addition, the cooking flow process of Fig. 7 explanation also can manually be imported and carry out.That is in the stage 3,4,5, be to utilize keyboard or button etc. manually to import, by the weight of gratin 4, heat time heating time, quantity of steam.
Fig. 8 is an another embodiment of the present invention, and is different with the above embodiments, is arranged on the turntable type electronic microwave baking box of rotatable stage 32 rotations of heating clamber 2 central authorities, same as the previously described embodiments, has hot blast unit 5.
Rotatable stage 32 utilizes objective table motor 33 rotations of its underpart, be provided with 1 quality detection device 22 in its axial ends, by this quality detection device 22 can detect be loaded on the rotatable stage 32 by the weight of gratin 4, its quality testing signal 23 flows to control device 27.Cooking method waits the content of explanation identical with above-mentioned Fig. 7.
Claims (8)
1. heating device; Possesses the heater that holds by the heating clamber of gratin and this heating clamber of heating; Have: produce the steam raising plant of water vapour and along with the above-mentioned heating clamber of air flow and air-supply arrangement that water vapour is impacted and makes it pulverize carefullyyer; To jet to the air stream that flows out from above-mentioned air-supply arrangement from the water vapour that above-mentioned steam raising plant is supplied with; To mix with air stream because of the water vapour that the impact that this winding-up forms is pulverized carefullyyer and supply in the above-mentioned heating clamber; It is characterized in that
The water vapour that has mixed with air stream, at least contain less than the ultra-fine water vapour of 1000 nanometers and the fine water vapour more than 1 micron, above-mentioned ultra-fine water vapour mainly is penetrated into by in the gratin, makes above-mentioned fine water vapour, be somebody's turn to do by gratin with cooking mainly attached to by the surface of gratin.
2. heating device according to claim 1 is characterized in that,
To jet to the air stream that just flows out from the water vapour that above-mentioned steam raising plant is supplied with, will mix with air stream because of the water vapour that the impact that this winding-up forms is pulverized carefullyyer and supply in the above-mentioned heating clamber from above-mentioned air-supply arrangement.
3. heating device according to claim 1 is characterized in that,
Has the hot air supply device that comprises above-mentioned heater, above-mentioned air-supply arrangement and cover the air channel of this air-supply arrangement, the water vapour that will mix to the inboard ejection of this hot air supply device and with air stream, further be heated as the water vapour of high temperature by the heater of this hot air supply device, and the water vapour of this high temperature is supplied in the above-mentioned heating clamber.
4. heating device according to claim 1 is characterized in that,
Possess: detect by the quality detection device of the quality of gratin and the control device of regulating the water vapour amount in the heating clamber that supplies to; According to the detected value of above-mentioned quality detection device, the water vapour amount that the control of above-mentioned control device is supplied with from above-mentioned steam raising plant, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
5. heating device according to claim 1 is characterized in that,
Possess: also load by the non-rotary objective table of gratin the bottom surface that is arranged on above-mentioned heating clamber, detects by the quality detection device of gratin quality, regulates the control device that supplies to the water vapour amount in the above-mentioned heating clamber; By above-mentioned quality detection device detect on the above-mentioned objective table by the quality of gratin, the water vapour amount of supplying with from above-mentioned steam raising plant by the control of above-mentioned control device according to this detected value, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
6. heating device according to claim 1 is characterized in that,
Possess: also load by the non-rotary objective table of gratin the bottom surface that is arranged on above-mentioned heating clamber, be arranged on below the objective table and detect in the mode that supports this objective table, regulate the control device that supplies to the water vapour amount in the above-mentioned heating clamber by a plurality of quality detection devices of gratin quality; The summation of the detected value by above-mentioned a plurality of quality detection devices detect on the above-mentioned objective table by the weight of gratin, according to this weight and the water vapour amount supplied with from above-mentioned steam raising plant by the control of above-mentioned control device, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
7. heating device according to claim 1 is characterized in that,
Possess: also load by the non-rotary objective table of gratin the bottom surface that is arranged on above-mentioned heating clamber, have to make and utilize the warmed-up hot air supply device that adds hot-air at the above-mentioned air-supply arrangement of above-mentioned heating indoor circulation of above-mentioned heater, the reducing mechanism that constitutes by air-supply arrangement, be arranged on below the objective table and detect in the mode that supports objective table, regulate the control device that supplies to the water vapour amount in the heating clamber by a plurality of quality detection devices of gratin quality; The summation of the detected value by above-mentioned a plurality of quality detection devices detect on the above-mentioned objective table by the weight of gratin, according to this weight and by the control of above-mentioned control device the time from the water vapour amount of above-mentioned steam raising plant supply, further heat, pulverize water vapour by above-mentioned heater and the above-mentioned reducing mechanism that constitutes hot air supply device, with supplied in the heating clamber by the accordingly an amount of water vapour of the cooking content of gratin.
8. heating device according to claim 1 is characterized in that,
The steam ejection portion of above-mentioned steam raising plant is arranged on the air that makes from above-mentioned air-supply arrangement and flows by the position of jetting from the water vapour of this steam ejection portion ejection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005136792A JP4585910B2 (en) | 2005-05-10 | 2005-05-10 | Cooker |
| JP2005136792 | 2005-05-10 |
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| Publication Number | Publication Date |
|---|---|
| CN1860969A CN1860969A (en) | 2006-11-15 |
| CN100534362C true CN100534362C (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100005513A Expired - Fee Related CN100534362C (en) | 2005-05-10 | 2006-01-09 | Heating cooker |
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| JP (1) | JP4585910B2 (en) |
| CN (1) | CN100534362C (en) |
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| JP5057871B2 (en) * | 2007-07-17 | 2012-10-24 | 三菱電機株式会社 | Cooker |
| JP5405191B2 (en) * | 2009-05-11 | 2014-02-05 | ホシザキ電機株式会社 | Cooker |
| JP2011002196A (en) * | 2009-06-22 | 2011-01-06 | Omnibus:Kk | Apparatus and method of cooking fried food |
| US8863654B2 (en) * | 2009-07-30 | 2014-10-21 | Sharp Kabushiki Kaisha | Cooking device |
| JP5491993B2 (en) * | 2010-07-06 | 2014-05-14 | 有限会社ナカイ | Combined cooker for business use |
| CN201840343U (en) * | 2010-10-21 | 2011-05-25 | 佛山市顺德区依信嘉实业有限公司 | Automatic mist spraying device and baking appliance provided with same |
| CN103120548B (en) * | 2011-11-18 | 2016-08-03 | 乐金电子(天津)电器有限公司 | Roasting food one key control method |
| JP5683654B2 (en) * | 2013-08-06 | 2015-03-11 | シャープ株式会社 | Cooker |
| JP6273493B2 (en) * | 2014-04-09 | 2018-02-07 | パナソニックＩｐマネジメント株式会社 | Cooker with cooking container |
| CN104688002B (en) * | 2014-08-04 | 2018-07-13 | 广东美的厨房电器制造有限公司 | Cooker and its control method |
| RU2711316C2 (en) * | 2014-10-23 | 2020-01-16 | Конинклейке Филипс Н.В. | Device and method for food preparation |
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| Publication number | Publication date |
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| JP2006317016A (en) | 2006-11-24 |
| JP4585910B2 (en) | 2010-11-24 |
| CN1860969A (en) | 2006-11-15 |
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