Background technology
Micro-wave oven adopts microwave heating, namely be a kind of by behind portion placed within for food, close, connect the power supply of magnetron, it is made to produce high-frequency microwave, by waveguide, high-frequency microwave is irradiated on food, makes the internal vibration about 2,400,000,000 5 thousand ten thousand times in a second of the hydrone of food, by the frictional heat that produces between hydrone to cooking food, heating; The micro-wave oven that multifunction microwave oven adopts microwave heating and other mode of heatings to be integrated, common mode of heating has optical wave heating and electrothermal tube heating, also referred to as barbecue type microwave oven; And ventilating hood-type microwave oven, its except have utilize microwave cooked cooking thing basic function except, also there is the function externally discharging the flue gas produced in the gas burning roastor of bottom.
Fig. 1 is barbecue type microwave oven part-structure schematic diagram in prior art.As shown in Figure 1, the hexahedral rectangular box of micro-wave oven is by front panel 1, rear board 2, side plate, top board, base plate (not shown), and the heating clamber 4 that hinge axis 3 fire door (not shown) that is connected to front panel front surrounds is formed.The centre of fire door (not shown) is provided with the heat resistant glass (not shown) of anti-microwave penetration, the opposite side of fire door arranges the door handle (not shown) being convenient to opening and closing heating clamber 4, and the pin (not shown) that touches arranged inside fire door coordinates lock fire door with the pin-and-hole that touches on front panel 1.
Be provided with microwave generator in the electricity storage chamber 6 of micro-wave oven side, the microwave that microwave generator produces upwards is launched from heating clamber 4 bottom surface.Front panel before electricity storage chamber 6 is formed with the control panel installing hole for installing control panel (not shown); Electricity storage chamber 6 rear board 2 is below formed with louvre 9.
Fig. 2 is roasting pipe toptover perspective view in prior art; Fig. 3 is roasting pipe toptover side-looking structural representation in prior art.As shown in Figure 1, 2, 3, the barbecue structure of described barbecue type microwave oven is fixed on the rack mounting apertures 11 on roasting pipe toptover 10 end limit through protective cradle (not shown) screw (not shown) by barbecue tube.The bottom surface upwards launched microwave of heating clamber 4, and rotating disk is not set.
The roasting pipe toptover 10 of heating clamber 4 top mounting plane, this overhead guard is inverted rectangular plate-like, and turn up the surrounding edge 14 extending to and evenly form riveted holes 13 at the edge of its surrounding perisporium 12.Riveted holes 13 on roasting pipe toptover 10 surrounding edge 14 and the riveted holes of heating chamber for microwave oven 4 top barbecue tube installing port periphery, by rivet (not shown) secure bond.On described roasting pipe toptover 10 length direction two ends perisporium 12, corresponding barbecue tube through hole 16 is being formed respectively near long edge position, supply through barbecue tube (not shown), barbecue tube is erected in roasting pipe toptover 10, and barbecue tube terminal (not shown) is plugged on the barbecue tube port (not shown) of micro-wave oven.
Brief description has the microwave oven baking working condition of barbecue structure:
The direct heat food of radiations heat energy of barbecue tube (not shown) after energising, a part of radiations heat energy reflects heat food again after being transmitted into the bottom surface of roasting pipe toptover 10.Thus the operating efficiency greatly providing high micro-wave oven.
But, the barbecue structure of flat microwave oven without rotary plate, the uniformity that Broiled Dish is heated cannot be ensured, and prey size is all a barbecue pattern, specific aim is not strong, cannot improve the uniformity of barbecue, thus occurs overdoing in the middle of food, around have not been cooked or heated long enough awkward effect, and can not meet is the requirement of client mostly.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of prior art, provides a kind of barbecue type microwave oven that effectively can change barbecue heating power and heated perimeter.
The technical solution adopted in the present invention is:
A kind of barbecue type microwave oven, comprise heating clamber, be fixedly installed on barbecue tube and the barbecue tube reflector at heating clamber top, described reflector comprises overhead guard and can be rotatably set in overhead guard inner and by its tripartite left reflecting plate, right reflecting plate, described left and right reflecting plate extends along barbecue tube setting direction, and its rotating shaft extends overhead guard and end is fixedly connected with drive unit; Three barbecue tube to be fixedly installed in overhead guard and by reflecting plate interval, left and right separately.
Described rotating shaft is integrally formed in left reflecting plate, center, right reflecting plate two ends.
Described left and right reflecting plate rotating shaft extends to form along long limit, its side.
Described drive unit comprises the synchronous motor be fixedly installed on dividing plate, the driven wheel be fixedly connected with described synchronous motor output shaft end, rotatably to be fixedly installed on dividing plate and the left driven gear be connected with a joggle with described driven wheel, to be arranged on the right side of described left driven gear and the right driven gear be connected with a joggle with it, the center of described left and right driven gear is fixedly connected with the rotating shaft of left and right reflecting plate respectively.
Described drive unit comprises the left and right driven gear be fixedly connected with the rotating shaft of left and right reflecting plate respectively, and described left and right driven gear is connected with a joggle; Be arranged on the ratch of described driven gear side, described ratch and one of them driven gear are connected with a joggle and extend outside micro-wave oven.
A control method for barbecue type microwave oven, comprises the steps: as claimed in claim 1
(1) user selects suitable barbecue mode of operation according to the shape of material to be heated and size;
(2) barbecue tube that Master control chip connects correspondence according to program makes its work and drives synchronous motor to make the position set in described left reflecting plate and right reflecting plate arrival program;
(3) barbecue tube work is until barbecue terminates.
Described barbecue mode of operation comprises the first mode of operation, the second mode of operation and the 3rd mode of operation; The first described mode of operation is that three barbecue tube all work, two reflecting plates and overhead guard plane perpendicular; The second described mode of operation is the barbecue tube work of both sides and the barbecue tube of centre does not work, and the lower end of left and right reflecting plate is near also parallel with distance on overhead guard self side far away respectively; The 3rd described mode of operation is that the barbecue of both sides does not work and only middle barbecue tube work, and the upper end of left and right reflecting plate is near also parallel with the nearer side of distance on overhead guard self respectively.
Described left and right reflecting plate swings constantly or off and in barbecue process.
The invention has the beneficial effects as follows: at overhead guard inside fixed installation three barbecue tube and two rotating left and right reflecting plates, the barbecue pattern that user can have object suitable according to the volume of food to be heated and shape, by controlling the working quantity of barbecue tube and regulating barbecue left and right reflecting plate Angulation changes barbecue swept area, improve barbecue effect, reach energy-conservation object.
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
As shown in figs. 4-7, the hexahedral rectangular box of micro-wave oven is by front panel, rear board, side plate, top board, base plate, and the heating clamber that the hinge axis fire door that is connected to front panel front surrounds is formed.Be provided with microwave generator in the electricity storage chamber of micro-wave oven side, the microwave that microwave generator produces upwards is launched from bottom of heating chamber.Front panel before electricity storage chamber is formed with the control panel installing hole for installing control panel; Electricity storage chamber's rear board is below formed with louvre.
Heating clamber top is installed and is provided with barbecue tube reflector 20, described reflector 20 comprises overhead guard 21 and along extended left reflecting plate 22, the right reflecting plate 23 of barbecue tube setting direction, the inside of overhead guard 21 is divided into three parts by it, and every part middle is fixedly installed barbecue tube 24, described barbecue tube 24 is same as the prior art.
Described overhead guard 21 is in inverted rectangular plate-like, and large compared with prior art of width, turn up the surrounding edge extending to and evenly form riveted holes at the edge of its surrounding perisporium, is connected to heating chamber for microwave oven top in order to be fixed.On described roasting pipe toptover 21 length direction two ends perisporium, corresponding barbecue tube through hole is being formed respectively near long limit and center, for through barbecue tube, barbecue tube is erected in roasting pipe toptover 21, and barbecue tube terminal is plugged on the barbecue tube port of micro-wave oven.
Left reflecting plate 22 of the present invention and right reflecting plate 23 are identical two boards shape structure, its composition material is identical with overhead guard, there is good heat reflection, its length direction is slightly smaller than the length of described overhead guard 21 so that left and right reflecting plate to be arranged on matchingly overhead guard 21 inside, its width equals or is a bit larger tham the degree of depth of described overhead guard 21, formed in its center, two ends and be formed with rotating shaft respectively, the through hole corresponding with described rotating shaft is formed with accordingly on described roasting pipe toptover 21 length direction two ends perisporium, can realize described left reflecting plate 22 and right reflecting plate 23 being fixedly installed on rotationally overhead guard 21 inner.
Certainly, under the prerequisite that can not interfere with barbecue tube when meeting left and right reflecting plate and rotating, described left and right reflecting plate rotating shaft is along its extended formation in long limit.
The rotating shaft end of described left and right reflecting plate is extended overhead guard 21 and is fixedly connected with drive unit of the present invention, drive unit of the present invention comprises the synchronous motor 32 be fixedly installed on dividing plate 31, described synchronous motor 32 and Master control chip can control connections, described synchronous motor 32 output shaft end is fixedly connected with driven wheel 33, described driven wheel 33 and the rotatably left driven gear 34 be fixedly installed on dividing plate 31 are connected with a joggle, described left driven gear 34 center is fixedly connected with the rotating shaft of left reflecting plate 22, the right driven gear 35 be connected with a joggle with it is provided with on the right side of described left driven gear 34, described right driven gear 35 center is fixedly connected with the rotating shaft of right reflecting plate 23, like this, when synchronous machine drives driving gear 33 rotates, left driven gear and right driven gear carry out synchronous axial system, reflecting plate generation synchronous backward in left and right is then driven to rotate.
Certainly, the described rotating shaft of left reflecting plate is fixedly connected with the center of driven wheel, the rotating shaft of right reflecting plate is fixedly connected with the center of driven gear, described driven wheel and driven gear are connected with a joggle, more above-mentioned embodiment, reduce by a driven gear, the effect of the present invention can be realized equally.
Closer, the rotating shaft of described left and right reflecting plate is fixedly connected with respectively at two driven gears engaging each other connection, described driven gear side is provided with ratch, described ratch and one of them driven gear are connected with a joggle and extend outside micro-wave oven, ratch is manually regulated to move up and down, drive driven gear rotates, the control to reflecting plate position, left and right can be realized equally, the button that can control middle barbecue tube and both sides barbecue tube duty is set accordingly on the control panel.
In an assembling process, first drive unit is installed, synchronous motor and driven gear are arranged installation, then left and right reflecting plate to be inserted in overhead guard and described overhead guard is fixedly mounted on heating chamber top, then the rotating shaft of left and right reflecting plate and left and right driven gear are accordingly fixedly mounted, then at fixed installation left and right, the left side reflecting plate fixed support 38 of reflector, described fixed support 38, by rotatable for reflecting plate rotating shaft end, left and right fixing, finally installs the installation that other structure members complete micro-wave oven of the present invention.
The work of brief description microwave oven baking of the present invention is described further sets forth structure of the present invention better with it:
First, select to need to roast heating mode according to the shape and size that will heat material to be heated, for the bulk material to be heated of thick middle and thin edge, need to heat middle emphasis, control three barbecue tube are then selected all to work, and control synchronization motor makes left and right reflecting plate state as shown in Figure 8, i.e. two reflecting plates and overhead guard plane perpendicular state, after barbecue tube energising, middle barbecue tube part radiations heat energy directly heats the center of material to be heated, after the part radiations heat energy bottom surface that is transmitted into roasting pipe toptover and left and right reflecting plate, reflect again the center of heating material to be heated, left and right sides barbecue tube part radiations heat energy directly heats the both sides of material to be heated, after the part radiations heat energy bottom surface that is transmitted into roasting pipe toptover and left and right reflecting plate, reflect again and heat on material to be heated, like this, ensure the heating effect of edge while heat can ensure needed for centre, the location status of above-mentioned barbecue tube duty and left and right reflecting plate is recited as the first mode of operation.
For the uniform bulk material to be heated of thickness, need to carry out equilibrium heating to entirety, then select to control the barbecue tube work on both sides and the barbecue tube of centre does not work, and control synchronization motor makes left and right reflecting plate state as shown in Figure 9, namely two reflecting plates lower end near and the side far away with overhead guard 21 is parallel or close to parallel, after barbecue tube energising, left and right sides barbecue tube part radiations heat energy directly heats the both sides of material to be heated, part radiations heat energy be transmitted into the bottom surface of roasting pipe toptover and left and right reflecting plate after-applied in heated material, the heat that the barbecue tube of such both sides sends can be applied in heated material through the reflection of overhead guard and left and right reflecting plate equably, the location status of above-mentioned barbecue tube duty and left and right reflecting plate is recited as the second mode of operation.
For the uniform fritter material to be heated of thickness, for improving the energy-saving effect of micro-wave oven of the present invention, the barbecue tube controlling both sides is then selected not work and only middle barbecue tube work, and control synchronization motor makes left and right reflecting plate state as shown in Figure 10, namely two reflecting plates upper end near and parallel with the side of overhead guard 21 or close to parallel, after barbecue tube energising, middle barbecue tube part radiations heat energy is applied directly on material to be heated, part heat can be applied in heated material through the reflection of overhead guard bottom surface and left and right reflecting plate equably, thus the operating efficiency greatly providing high micro-wave oven, the location status of above-mentioned barbecue tube duty and left and right reflecting plate is recited as the 3rd mode of operation.
Accordingly, the control panel of micro-wave oven arranges the button corresponding with described mode of operation, or the button of the described mode of operation of switching capable of circulation, so that user chooses required mode of operation according to actual needs.
In concrete operations, first-selected user is according to the shape of heated material and size, barbecue tube mode of operation required for selection, the barbecue tube that after selected, Master control chip connects correspondence according to program makes its work and drives synchronous motor to make the position set in described left reflecting plate and right reflecting plate arrival program, and then barbecue tube work is until barbecue terminates.
Certainly, for programmable multi-stage operation method, in whole barbecue process, the different time periods chooses different mode of operations, and when meeting procedure condition, automatic switchover barbecue tube mode of operation is to reaching best barbecue effect.
It is to be noted, in above-mentioned mode of operation, left and right reflecting plate is for being fixed on assigned address, by setting in a program, can swing constantly or off and on to play the effect of stirring heat by simple realization left and right reflecting plate in barbecue process equally, improve barbecue effect better, wherein said reflecting plate amplitude of fluctuation and speed set or artificially programme setting in a program.
In sum, at overhead guard inside fixed installation three barbecue tube and two rotating left and right reflecting plates, the barbecue pattern that user can have object suitable according to the volume of food to be heated and shape, by controlling the working quantity of barbecue tube and regulating barbecue left and right reflecting plate Angulation changes barbecue swept area, improve barbecue effect, reach energy-conservation object.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention; some improvements and modifications can also be made; as changed the quantity of barbecue tube or arranging middle barbecue tube and have different power etc. from both sides barbecue tube, these improvements and modifications also should be considered as protection scope of the present invention.