Specific implementation mode
As seen in Figure 1, the outside of the rice cooker is made of two parts of pot body and head cover, and pot body (1) is equipped withControl panel (2), be used to be arranged and when adjustment equipment work each hierarchical process the time unlatched and closed, steamed rice andThe middle part of the selection etc. of pressure cooker function, head cover (3) is equipped with pressure piston lifting device (4), passes through pressure piston lifting deviceThe steamed rice basket of pot nside can be lifted up, head cover is equipped with main exhaust valve (5), the joining place of head cover (3) and pot body (1)Equipped with tight locking button, tight locking button arranges for a positive and a negative, and handle (6) is divided into two parts and forms, and is separately mounted to head cover and pot bodyOn, when two handles overlap, head cover (3) can lock head cover and pot body with the tight locking button in pot body (1), two handsThe contact position of handle (6) and pot body is equipped with gas-controlled element (7), gas-controlled element (7) be used for opening and closing discharge to pot nside gas andThe lifting position-limit of steamed rice basket is controlled.
As seen in Figure 2, pot body (1) is internally provided with high pressure inner body (8), high pressure inner body with pot body be it is split type,Can be drawn off out of pot body, bottom of pot body be equipped with electric hot tray (9), equipment work when by electric hot tray (9) to high pressure inner body (8) intoTo achieve the purpose that boiling meal, the middle part of electric hot tray is equipped with temperature sensing head (10) for row heating, for pot nside when workTemperature detected, high pressure inner body (8) is internally provided with steamed rice basket (11), and the middle part of head cover (3) is promoted equipped with pressure pistonDevice (4), pressure piston lifting device are internally provided with piston (12), the upper end connection piston (12) of lift lever (13), lower end peaceEquipped with hook (14), the side of (14) and steamed rice basket (11) top inner face is linked up with when lift lever (13) is in lower end with piston (12)Slot contacts, and (14) are linked up with when lift lever (13) rises with piston (12) to be lifted up steamed rice basket (11), lift lever(13) it is square with the promotion rod aperture of pressure piston lifting device lower end, when head cover (3) rotate, lift lever can be with head coverRotation, the joining place of head cover (3) and pot body (1) are equipped with tight locking button (15), and tight locking button is a positive and a negative arrangement, head cover and pot bodyContact surface is equipped with sealing ring (16), for making pot nside that sealing, handle (6) be kept to be divided into two part groups up and down when workAt, it is separately mounted in head cover and pot body, when two handles overlap, head cover (3) and the tight locking button (15) in pot body (1)Head cover and pot body are locked, the contact position of handle and pot body is equipped with gas-controlled element (7), and gas-controlled element (7) is by upper and lower twoPart forms, and is separately mounted on two handles up and down, upper part is made of air control valve door and spacer pin, and end portion is by electricityMagnet and contact-making switch composition, by gas-controlled element to the opening and closing discharge of pot nside gas and to the upper ceiling of steamed rice basket when workPosition is controlled, and the shell of pressure piston lifting device is cylinder (17), and cylinder by being threadedly coupled, is contacted with head cover (3)Place is equipped with gasket (18), when equipment works, when the internal air control valve door of gas-controlled element (7) is closed, and the water body of pot nsideThe pressure of hot steam can rise after being heated, and when the pressure of gas reaches maximum value, high pressure gas can push piston to makePiston is raised above, and to be raised above steamed rice basket (11) by lift lever (13) and hook (14), head cover is equipped with main rowAir valve (5) and easing valve (19), when the gas pressure of pot nside in equipment work reaches the upper limit, main exhaust valve and easing valveIt can automatically turn on and carry out decompression action, the inner face of head cover is equipped with anti-network blocking (20), and controller (21) is mounted on bottom plate (22),It is separately connected control panel, electric hot tray (9), gas-controlled element (7) and power interface (23) with conducting wire, and controller (21) is by transformationPower panel, control unit and relay composition, variable-voltage power supply plate by the working power of 220V mains supplies transformation unit in order to control,Control unit is used to control and the various program instructions of processing system, and instruction is heating instructions, the gas-controlled element of electric hot tray (9)(7) signal detection of the internal work order of electromagnet and the signal detection of contact-making switch and temperature sensing head (10), controlThe working procedure of unit processed is that boiling heats delay procedure, steam heats delay procedure and is vented 3 parts such as delay procedure,Operation principle is;1, detected by temperature sensing head (10) temperature rise of pot nside at 100 degree immediately or delay 60 toDelay procedure is heated after 120 seconds starts the internal electromagnet of gas-controlled element (7), control gas when work of electromagnet inside gas-controlled elementValve closing makes pot nside keep sealing, waits for that pot nside pressure rises and pushes piston that steamed rice basket (11) is risen to specific bitIt sets, steamed rice basket filters out the grain of rice from water at this time, and the high steam for continuing with pot nside generation carries out water proof to the grain of riceHeating will connect when steamed rice basket (11) rises to designated position after the spacer pin inside the edge startup gas-controlled element of steamed rice basketTouch switch conduction, 2, contact-making switch signal power source is connected after steam heating delay procedure be delayed 90 to 180 seconds after by electric hot tray(9) power supply is closed, and electric hot tray stops heating, and 3, electric hot tray stops heating final vacuum delay procedure and continue delay 60 to 120 secondsThe power supply of the internal electromagnet of gas-controlled element (7) to be closed afterwards, exhaust event can be realized in air control valve door after electromagnet is closed, thisWhen a cycle program complete, boiling heat delay procedure, steam heating delay procedure and be vented delay procedure delay timeIt can be adjusted by the button on control panel, control panel is equipped with high pressure normal pressure change-over switch and steamed rice and turns with pressure cookerSwitch is changed, when high pressure normal pressure change-over switch is selected as high pressure, program is that can complete the program behavior of high pressure steamed rice, when being selected asWhen normal pressure, remaining steam heating delay journey when steamed rice basket (11) being risen to designated position after the completion of steamed rice heating delay procedureSequence and exhaust delay procedure are stopped, and the working power opening of the electromagnet of gas-controlled element (7) is exhausted system at this timeAction, electric hot tray (9), which continues heating, makes the gas of pot nside keep normal pressure, when the stop key being manually pressed by control panelCycle program is completed, and the action of atmospheric steam cooking rice can be realized at this time, when cooking on control panel turns with pressure cookerWhen changing switch and being selected as steamed rice, corresponding steamed rice program can be completed in system, and when being selected as pressure cooker, system is by steamed rice programIt closes, the heating power supply of electric hot tray (9) is normally opened to realize the function of pressure cooker, when the stop key being manually pressed by control panelThe heating power supply of electric hot tray disconnects, and power interface (23) conducting wire connects outside to connect alternating current 220V power supplys, and relay is used forThe opening and closing that power interface (23) connects the power supply of electric hot tray (9) is controlled, the startup and closing of relay are controlled by control unitSystem.
As seen in Figure 3, in equipment work when the internal air control valve door of gas-controlled element (7) is in and closes, electricityThe water that hot plate (9) continues pot nside after heating will produce high-pressure steam, the i.e. meeting when the pressure of steam reaches setting valueThe internal piston (12) of pressure piston lifting device (4) is pushed up, in the effect by lift lever (13) and hook (14)Under steamed rice basket (11) can be raised above, when piston (12) reach cylinder (17) top when stop at current position, thisWhen steamed rice basket (11) edge on stop pin (24) flex outward and slide into the edge of high pressure inner body (8) under the action of the spring,Steamed rice basket (11) can be located on current position by stop pin (24) at this time, and the bottom and side of steamed rice basket (11) are equipped with filterWater hole, when steamed rice basket is in the lower end of pot body, the grain of rice can carry out band water heating inside it, when steamed rice basket is by pressure pistonLifting device (4) is raised above the rear grain of rice and can be filtered out from water, and electric hot tray (9) continues what pot nside when heating generatedThe internal grain of rice of steamed rice basket (11) can be continued water proof heating by high pressure or atmospheric steam makes it be cooked, and is achieved in the grain of rice and existsThe mode that drainage cooks is carried out after being heated in water again.
As seen in Figure 4, steamed rice basket is round, and surrounding and bottom are equipped with filtration hole (25), steamed rice basket topThe inner face at edge is equipped with side slot (26), and the two can be made to keep state of coincideing when the hook contact edge slot (26) on lift lever,The outside on steamed rice basket top is equipped with stop pin (24), and the lower end of stop pin is equipped with spring, when steamed rice basket is in the case where pot nside is inWhen end, stop pin (24) can be drawn close on steamed rice basket, when steamed rice basket is when pot nside is in upper end, stop pin (24)It acts on to outside and popping up by the elastic force of spring, to which steamed rice basket to be located in the upper end of high pressure inner body.
As seen in Figure 5, gas-controlled element by kinetoplast (27) and determine body (28) up and down two part form, kinetoplast (27)On head cover, body (28) can be determined in the pot body of lower end with head cover activity, it is dynamic when head cover and pot body matches mutuallyBody (27) overlaps with the contact face for determining body (28), and kinetoplast (27) is internally provided with pressure locking pin (29), tabletting set bar(30) and air control valve door, pressure locking pin (29) lower end is equipped with spring, and upper end is equipped with sealing-plug, and spring is by pressure under normal circumstancesLocking pin pops up, and pressure locking pin (29) can be pressed to lower end by gas after the gas pressure of pot nside increases, and be pressedThe lower end of force locking pin enters the lock pin holes (31) for determining body (28), and kinetoplast (27) and the position for determining body (28) are locked at this time,Pot cover is opened when preventing pot nside from carrying air pressure, spring is upward by pressure locking pin after the elimination of pot nside gas pressureIt resets, the upper end of tabletting set bar (30) is equipped with spring, and tabletting (32) is mounted on platen shaft (33) on kinetoplast, tabletting (32)Front end extends into pot body, the tip contact of rear end and tabletting set bar (30), when the steamed rice basket of pot nside is raised aboveWhen up to top, tabletting (32) can be lifted up by the top edge of steamed rice basket, and the rear end of tabletting is by tabletting set bar (30)It presses downward to, the lower end of tabletting set bar connects with the contact for determining the contact-making switch on body (28) afterwards by kinetoplast (27) is stretched out at this timeIt touches, air control valve door is by air inlet (34), conical opening (35), sealing-plug (36), exhaust outlet (37) and air bleeding valve set bar (38) groupAt air inlet (34) connects the anti-network blocking on head cover with conduit, and the upper end of conical opening (35) connects air inlet, and lower end is led to by gasRoad connects exhaust outlet (37), and the upper end of air bleeding valve set bar (38) is equipped with sealing-plug (36), and sealing-plug connects with conical opening (35)The radian of contacting surface is identical, and when the two contacts with each other, conical opening can be sealed by sealing-plug, air bleeding valve set bar (38)Lower end and the contact for determining electromagnet on body (39), that determines body (28) is internally provided with contact-making switch (40) and electromagnet (39),The two is separately connected controller with conducting wire, when the lower end of the tabletting set bar (30) inside kinetoplast presses downward to, tabletting linkageThe contact of contact-making switch (40) can be pressed by the lower end of pin, be connected by the signal power source of contact-making switch control, equipment inoperativeWhen air bleeding valve set bar (38) be in lower end, air control valve door is in normally open, when surely internal portion electromagnet (39) be powered when,Air bleeding valve set bar (38) can be upwardly by the contact of electromagnet upper end, and sealing-plug (36) connects with conical opening (35) at this timeIt touches, air control valve door can be closed.
As seen in Figure 6, controller (21) is the control centre of equipment, and control terminal connects temperature sensing with conducting wireThe startup power supply of head (10), gas-controlled element (7) internal contact-making switch and electromagnet, control panel (2) and relay (41),Temperature sensing head (10) is transmitted to controller for being detected to the temperature of pot body, and by the temperature signal detected, controls gasThe internal contact-making switch of component (7) is used to detect the location information of pot nside steamed rice basket rising, and electromagnet is for controlling control gasThe opening and closing of valve, for each program of controller (21) to be adjusted, power interface (23) is connected control panel (2) with conducting wireController (21) is connect, the circuit shunting connection relay (41) of power interface (23) connects electric hot tray (9), relay (41) control afterwardsThe opening and closing of electric hot tray (9) working power processed, the startup power supply of relay (41) are controlled by controller (21).
As seen in Figure 7, control panel by display screen (42) and regulating key district's groups at key zone adds equipped with boilingHot delay adjustment button (43), steam heat delay adjustment button (44), exhaust delay adjustment button (45), the conversion of high pressure normal pressureButton (46), steamed rice are formed with pressure cooker switching button (47) stop key (48), and display screen is for when in real time working to equipmentIt is shown with state when being adjusted, boiling heats the boiling that delay adjustment button (43) is used for system and heats delay journeyThe delay time of sequence is adjusted, and steam heating delay adjustment button (44) is used to heat prolonging for delay procedure to the steam of systemWhen the time be adjusted, exhaust delay adjustment button (45) is used to adjust the delay time of the exhaust delay procedure of systemSection, the selection of high pressure and normal pressure mode when high pressure normal pressure switching button (46) is for system steamed rice, steamed rice are converted with pressure cookerButton (47) is used for the conversion of equipment steamed rice program and pressure cooker program, and stopping when stop key (48) works for equipment refers toIt enables.
When the rice cooker works, quantitative water is added in high pressure inner body (8), steamed rice basket (11) is put into high pressure inner body(8), the quantitative grain of rice is added in steamed rice basket (11), head cover (3) and pot body (1) are contacted with each other and tight locking button (15) is made to keepLocking, determine body and the kinetoplast of gas-controlled element (7) keep resetting, with the strips such as bamboo chopsticks tool from pressure piston lifting device (4)Piston (12) is pushed by upper end down, and the hook on lift lever (14) is contacted with the side slot of steamed rice basket (11) upper end at this time, will be controlledSteamed rice on panel (2) processed is selected as steamed rice side with pressure cooker change-over switch, powers on steaming of the rear system automatically into steamed riceHeating delay procedure is boiled, the grain of rice is heated in pot nside band water at this time, and program immediately or is prolonged when water temperature rises to 100 degrees CelsiusWhen 60 to 120 seconds after heating delay procedure start the internal electromagnet of gas-controlled element (7), when work of electromagnet inside gas-controlled elementAir control valve door closing make pot nside keep sealing, electric hot tray (9) continue keep heated condition, the pressure of pot nside gasIt being gradually increasing pusher piston and steamed rice basket (11) is risen into designated position, steamed rice basket (11) filters out the grain of rice from water at this time,The grain of rice is carried out water proof heating by the steam for continuing reliance on pot nside generation, and the edge of steamed rice basket will after steamed rice basket (11) riseTabletting (32) is lifted up, and the other end of tabletting presses downward to spacer pin, and the lower end of spacer pin can start contact-making switch, connectIt touches steam heating delay procedure after signal power source is connected switch to close the power supply of electric hot tray (9) after being delayed 90 to 180 seconds, electricityHot plate stops heating, and 60 to 120 seconds power supplys by the internal electromagnet of gas-controlled element (7) close when vent sequence starts subsequent renewIt closes, exhaust event can be realized in air control valve door after electromagnet is closed, and a steamed rice cycle program is completed at this time, (according to various propertyBoiling can be heated delay time, when steam heats delay time and exhaust delay by the hardness of the grain of rice of matter, the differences such as viscosityBetween be adjusted, the property to adapt to the various grain of rices makes the rice that boiling goes out keep optimum state).
According to the difference that the characteristic of the various grain of rices and various crowds require rice mouthfeel, equipment can pass through control planeHigh pressure on plate and normal pressure button carry out the conversion of high pressure and normal pressure when steam heating, by control panel steamed rice and pressure cookerWhen shift key is selected as pressure cooker pattern, the steamed rice basket of pot nside is taken out, system keeps electric hot tray continuous heating at this timeState is to realize the function of pressure cooker.
Two working portions, cooking rice are heated using the heating of band water and drainage when the Water straining type high pressure rice cooker worksMode it is identical as the mode of traditional filtering water steamed rice, make the rice that its boiling goes out have particle loose, viscosity is relatively low, cold mealIt is relatively low to the ratio requirement of water and rice amount with water heating part not the advantages that knot tying, avoid traditional electric cooker water and riceMeasure the defect of bad control, whole process is by the way of autoclaving when equipment steamed rice, therefore the time of more traditional electric cooker steamed riceShorten, more conducively save electric energy, steamed rice is freely converted with pressure cooker function, and the equipment is made to have the advantages of a tractor serves several purposes.
It is to be illustrated to the preferable implementation of the present invention, but the invention is not limited to the implementation aboveExample, those skilled in the art can also make various equivalent modifications or be replaced under the premise of without prejudice to spirit of that inventionIt changes, these equivalent modifications or replacement are all contained in the application claim limited range.