CN86104698A - Water resistance electric rice cooker - Google Patents

Abstract

The invention discloses and a kind ofly make thermal source with common drinkable water, the most suitable steamed wheaten foods thing can also be stewed tonic, the water resistance rice cooker of cooking food.It is filling water, by nontoxic, Heat stability is good in 0-200 ℃ of scopes, the dielectric strength height, conductive coefficient is little, inserts the stainless steel substrates of strong the no noxious substance generation of energising heating of oxidation resistance in the boiling cavity that has the duroplasts of sufficient mechanical strength to cast, by the water generation steam that directly generates heat, utilize steam Motion Transmission heat to heat, finish the task of burning the prepared food thing to food.

Description

The present invention relates to a kind of electric rice cooker, particularly make the electric rice cooker of thermal source, be suitable for food most, can also stew tonic, cook congee and soup etc. with common drinkable water.

The heat production of existing electric heater, mode mainly contains: the heating of electrothermal tube heating board, P, T, C, (semiconductor heater element) the board-like heating of generating heat, eddy current heating, infrared ray heating, microwave heating is several, with the weakness of the electric heating appliance of these heat production mode work: one, cost, cost height.Two, life-span weak point, maintenance difficult, expense height.

Task of the present invention is that a kind of electric rice cooker with following advantage will be provided: one, structure and production process are extremely simple, and cost, cost spy are low.Two, the life-span long, but fault-free is used.Three, heat efficiency height can be up to 85-90%.Four, there is not excessive phenomenon, easy-to-use.Five, under any circumstance can definitely guarantee food not to be burnt out, can be in the outage automatically of the ripe back of food.Six, power is started from scratch continuously adjustable.

Task of the present invention is finished as follows: Heat stability is good in by nontoxic 0-200 ℃ scope, and the dielectric strength height, conductive coefficient is little, have that the duroplasts of sufficient intensity constitutes "

" describe in the device; load onto the strong electrode of plate shape oxidation resistance that certain distance is arranged of pair of parallel; one of them electrode is fixed; another electrode can wind perpendicular to fixed electrode plane rotational; constitute the water resistance electric rice cooker boiling cavity; boiling cavity top flare upward opening, on its opening loudspeaker face, be provided with equally distributed three radial raised lines, place the canister (inner bag) of containing food on it, around the inner bag is that diameter is bolder than interior, the housing that character and boiling cavity identical materials constitute, the upper end of inner bag is the pot cover that constitutes with the shell identical materials, in boiling cavity, inject a certain amount of common drinkable water, when the electrode two ends add the 220V alternating voltage, because common drinkable water contains impurity, can conduct electricity and have certain resistance, two interelectrode water heating ups, when rising to 100 ℃, water temperature produces steam, steam up with contact than low inner bag of its temperature and the food in the inner bag, just the heat release that it is carried is come out, thereby food temperature is raise, ripe up to food is burnt.Because some water vapour is dispersed into the space inevitably, and the liquid level in the boiling cavity is reduced to when not having water between two electrodes gradually, cut off the power supply automatically in the course of work.Add what of the water yield in the boiling cavity before the required time control energising of prepared food thing according to burning, just can reach the purpose that food cuts off the power supply when ripe automatically.Rotate movable electrode in the use, can change the relative area of electrode, thereby change the current strength that flows through two interpolar water, reach the purpose of power controlling size.

Structure of the present invention is extremely simple, firm, boiling cavity, pot cover adopt the little material of conductive coefficient, by directly heat production and steam inside heat transfer of water itself, heating (there is not strong convection current in the liquid in the inner bag) working temperature is low simultaneously, the higher (50H of frequency of utilization for food three parts (inner bag below, on every side, top) ₂) alternating current and the strong battery lead plate of oxidation resistance, the adjustable factors of battery lead plate relative area are reasons that the present invention can finish its invention task.

Below with reference to accompanying drawing the present invention is described in further detail.

Fig. 1 is a kind of concrete structure longitudinal sectional drawing of the present invention.

Fig. 2 is the right view enlarged drawing of dial in Fig. 1 electric rice cooker (3).

Fig. 3 is the right view enlarged drawing of power adjustments turn-knob (6) in Fig. 1 electric rice cooker.

The base plate (24) of the housing among Fig. 1 (2), pot cover (1), power adjustments turn-knob (6), raised line (4), dial (8) is nontoxic, the interior Heat stability is good of 0-200 ℃ scope, dielectric strength height, conductive coefficient are little, have the duroplasts of sufficient mechanical strength to cast.Electrode bar (9), (15), (16), nut (13), (20) are that the metal material of electric conductivity and satisfactory mechanical property constitutes.Inner bag (3) is 1.0 millimeters pure aluminum plate drawing and formings.The panel (25) of dial (8) is that aluminium sheet is stamped to form.Locating pin (19), (22) on scale plate (8) and the panel (25) are that the good common metal material of mechanical strength constitutes.Battery lead plate (12), (21) are that oxidation resistance stainless steel material strong, that the no noxious substance of heating that conducts electricity very well, switches on produces is stamped to form.Round metal stage body in the pot cover (1) is that the bigger general iron of density constitutes.

With reference to Fig. 1, left end tapping and the electrode bar (16) that has the electrode bar (15) of plate washer (26) and curve the right angle are moulded casting in housing (2), here, electrode bar (15), (16) stretch out outside the housing (2), make current input terminal, electrode bar (15) tapping end (right-hand member) cooperates with corresponding nut (20) and plate washer (26) battery lead plate (21) is fastened on the electrode bar (15), electrode bar (9) right-hand member tapping and have two plate washers (10), (11), wherein plate washer (11) is fastened on battery lead plate (12) on the electrode bar (9) with corresponding nut (13), plate washer (10) can make electrode bar (9) not slide to right-hand member, the tapping of electrode bar (9) right-hand member partly cooperates fastening with the power governor turn-knob (6) that corresponding internal thread is arranged, during rotative power adjuster (6), battery lead plate (12) can be along with rotating together, can change battery lead plate (12) and the relative area of battery lead plate (21) in boiling cavity (23) water, thereby reach the purpose of the power of adjusting water resistance electric rice cooker.Be fixed with metal finger (7) on power adjustments turn-knob (6), pointer (7) is subjected to dial (8) to go up the control of locating pin (19), (22), makes the battery lead plate (12) that links to each other with the power adjustments turn-knob come back rotation in 180 ° of-270 ° of scopes.(position among Fig. 1) battery lead plate (12) and the relative area maximum of battery lead plate (21) in boiling cavity (23) water when battery lead plate (12) is in 270 ℃ of positions, Fig. 1 electric rice cooker is in maximum power rating; When being in 180 ° of positions, battery lead plate (12) (do not draw among Fig. 1), because the water surface that battery lead plate (12) has broken away from boiling cavity (23) lining, there is not electric current from water, to flow through, cooker power is zero among Fig. 1, and the scale that the big I of power went up indication by the pointer (7) on the power turn-knob (6) at dial panel (25) when electric rice cooker was worked among Fig. 1 is observed out by the user.Boiling cavity (23) upper end casts horn opening upwards, on horn opening face (5), be cast with the raised line (4) of equally distributed three radial arrangement, raised line (4) is made to place inner bag (3) and is used, the weight of the top pot cover (1), make pot cover (1) and housing (2) good seal, electrode bar (16) is connected with lead with electrode bar (9), forms reliably to be electrically connected.

Distance between battery lead plate (12) and the battery lead plate (21) is preferably between the 5-20 millimeter.

During use, take out inner bag (3), contain the food of wanting boiling in inner bag (3) lining, inject a certain amount of water to boiling cavity (23) lining again, the slightly surplus water in boiling cavity (23) lining was advisable when the amount of injection water cooked so that food is boiled, be no more than following 20 millimeters of electrode bar (9), (15) at most, (can not switch on during water filling, to avoid electric shock accidents), treat that the inner bag (3) that will contain food puts in the pot, build energized behind the pot cover, Fig. 1 water resistance electric rice cooker is just started working, when treating that food boils, cut off the electricity supply and get inner bag again.

Claims (8)

1, a kind of by plastic casing (3), metal electrode board (12), (21), the electric rice cooker that inner bag (3) and plastic pot cover (1) are formed is characterized in that boiling food with common drinkable water heating power.

2, the electric rice cooker of stipulating by claim 1, it is characterized in that housing (2), pot cover (1), power adjustments turn-knob (6), raised line (4), the base plate (24) of dial (8) all is nontoxic, Heat stability is good in the 0-200 ℃ of scope, the dielectric strength height, conductive coefficient is little, has the duroplasts of sufficient mechanical strength to cast.

3,, it is characterized in that the base plate (24) of housing (2), raised line (4), dial (8) and electrode bar (15), (16) mould cast solid by the electric rice cooker of claim 2 regulation.

4, by the electric rice cooker of claim 3 regulation, it is characterized in that battery lead plate (12), (21) adopt oxidation resistance strong, do not have the stainless steel that noxious substance produces during the energising heating and make.

5,, it is characterized in that utilizing motion steam to transmit heat and give by the food of boiling by the electric rice cooker of claim 4 regulation.

6, by the electric rice cooker of claim 5 regulation, it is characterized in that utilizing changing at the relative area between part stainless steel substrates (12), (21) in boiling cavity (23) water, reach the continuously adjustable purpose of power.

7, by the electric rice cooker of claim 6 regulation, how much what it is characterized in that control injects boiling cavity (23) the lining water yield reaches food purpose of outage automatically when ripe.

8, by the electric rice cooker of claim 7 regulation, it is characterized in that adopting the water resistance low-temperature heat source to reach the purpose that assurance is burnt food anything but.

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