CN101032367A - Slow cooker with refrigerating and fresh-keeping functions and operation method thereof - Google Patents

Slow cooker with refrigerating and fresh-keeping functions and operation method thereof Download PDF

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Publication number
CN101032367A
CN101032367A CN 200710027573 CN200710027573A CN101032367A CN 101032367 A CN101032367 A CN 101032367A CN 200710027573 CN200710027573 CN 200710027573 CN 200710027573 A CN200710027573 A CN 200710027573A CN 101032367 A CN101032367 A CN 101032367A
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time
slowly
slow cooker
fresh
delay
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CN 200710027573
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CN100469285C (en
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郭建刚
钟神耀
陈水兵
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Guangdong Xinbao Electrical Appliances Holdings Co Ltd
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Guangdong Xinbao Electrical Appliances Holdings Co Ltd
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Abstract

The utility model provides a take slow cooker of fresh-keeping function of refrigeration, pot in outer pot and the pottery in setting gradually in the shell, generate heat and take the setting on outer pot, the bottom of pottery inner bag is inlayed and is had metal heat conduction bottom plate. Used for transmitting the refrigerating capacity generated by the cold end of the semiconductor refrigerating sheet into the inner container. The metal heat conduction bottom plate is connected with the cold end of the semiconductor refrigeration module. The hot end of the semiconductor refrigeration module is connected with the radiating fin. A heat radiation fan is arranged below the heat radiation fin. The invention is based on the ordinary slow cooker, the semiconductor refrigeration module is arranged at the bottom of the inner cooker, the refrigeration and fresh-keeping functions are added, the refrigeration and fresh-keeping processes are added before the slow cooker is delayed, namely, after the food is taken out of the refrigerator by a user and put into the slow cooker, water and seasonings are added, the time is set for reservation, the temperature is kept below the fresh-keeping temperature of 8 ℃ all the time before heating, and after the reserved time is finished, the slow cooker enters the slow cooker program, so as to further meet the requirements of the user.

Description

The slow cooker and the method for operating thereof of band refrigerating fresh-keeping function
Technical field
The present invention relates to a kind of slow cooker, particularly a kind of slow cooker and method of operating thereof with the refrigerating fresh-keeping function.
Background technology
The family expenses slow cooker is the very general small household electrical appliances of a kind of use in Europe, the U.S. and South American nations, be used for stewing system meat, chicken and greengrocery food, slow cooker uses pot in the pottery, and the food time of stewing system is long, is heated evenly, temperature is low, the food of stewing system is crisp mashed, and the nutritional labeling loss is few, is popular in American-European countries.As disclosing a kind of temperature control slow cooker among the Chinese patent literature CN2747996Y, include porcelain pot, aluminium courage and temperature controller, its feature in: on the aluminium courage, have a through hole, on this through hole, heat-insulating base be installed, temperature controller is installed on this heat-insulating base and with the porcelain pot contacts.Temperature controller includes the temperature-sensing element core, and thermistor is installed in temperature-sensing element core upper end and is covered by its loam cake; This temperature-sensing element core retainer plate is contained in the spring, one end of this spring supports the loam cake of temperature-sensing element core, the other end is seated in the housing, and the bottom of this temperature-sensing element core passes and the bottom connection of its loam cake and described porcelain pot touches from the through hole in this housing, and this housing is installed on the heat-insulating base.The control of time that slow cooker adopted of this class formation mainly contains two kinds of mechanical timer and electronic timers, because mechanical timer can not be preengage service time, so its market share is fewer and feweri, comparatively speaking, but reservation of electronic timer setting-up time and insulation etc. are so be well received.Temperature control has height, in and low-temperature heat, stew slowly and insulation is set, mainly realize by adjusting heating power.When electronically controlled slow cooker was preengage between in use, food was placed on that the time in the pot might be long in the pottery, if when environment temperature is higher, the food in the pot is apt to deteriorate.
Therefore, if if electronically controlled slow cooker is when preengaging between can be in use, in that begin to heat can the fresh-keeping welcome that just more can be subjected to the user before stewing slowly.
Summary of the invention
Technical problem to be solved by this invention is to provide the slow cooker and the method for operating thereof of the band refrigerating fresh-keeping function of a kind of simple and reasonable, flexible operation, long service life, to overcome weak point of the prior art.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of slow cooker with the refrigerating fresh-keeping function, comprise the outer pot and the interior pot of pottery that set gradually in the enclosure, heating tape is arranged on the outer pot, and its architectural feature is that the bottom of ceramic liner is inlaid with the metal heat-conducting base plate.Be used for the refrigerating capacity that the semiconductor chilling plate cold junction produces is delivered in the inner bag.
The above-mentioned metal heat-conducting base plate and the cold junction of semiconductor refrigerating module join.
The hot junction and the fin of above-mentioned semiconductor refrigerating module join.
Above-mentioned fin below is provided with the radiator fan that forced refrigeration is used.
Above-mentioned outer casing bottom is provided with air inlet, and the shell side is provided with air outlet.
Be provided with the MCU controller in the above-mentioned slow cooker, outer casing frontispiece is provided with control panel, and control panel is provided with LCD or the charactron display that is used for demonstration time or temperature or firepower, time set button.
A kind of method of operating of the slow cooker with the refrigerating fresh-keeping function, it is characterized in that adopting MCU control, LCD or LED show the time, have working time setting, delay adjustments, slowly stew firepower adjusting, time reservation, refrigerating fresh-keeping, stew heating and insulation deixis slowly, the semiconductor refrigerating module adopts powerful Switching Power Supply power supply
1) setting of stewed time slowly: can set the working time of stewing slowly by " TIME+ " and " TIME-";
2) setting of time reservation: after configuring the stewed slowly working time, if reservation service time, by " DELAY " button, time figure flashes, and begins to set the delay working time, and maximum delay is set at 24 hours;
3) setting of stewed firepower slowly: the mean power of pressing the key assignments heating by " POWER ";
4) start operation and the indication stop: after time and firepower configure, can start or stop the operation of machine by " ON/OFF " button;
5) realization of refrigerating fresh-keeping function: when setting is stewed the working time slowly, set time reservation, automatically enter the refrigerating fresh-keeping program after then starting, preservation temperature in pot in the pottery is when reaching below 8 ℃ or 8 ℃, and the delay time of setting in advance in the time reservation begins countdown, when the delay time end enters stewed slowly time, stopping the refrigerating fresh-keeping program begins to heat stewed slowly, finish until the whole working time, after the startup heating was stewed slowly, the semiconductor refrigerating module was open-circuit condition.
The present invention is provided with the semiconductor refrigerating module at interior pot bottom on the basis of common slow cooker, increased the function of refrigerating fresh-keeping, make food before time-delay is stewed slowly, increase the refrigerating fresh-keeping process, promptly when the user with food in the refrigerator after the taking-up, be put into add entry and seasoning matter in the slow cooker after, the setting-up time reservation before the heating, maintain the temperature at preservation temperature below 8 ℃ always, after subscription time finishes, enter slowly the program of stewing again, further meeting user's demand, and operating process is simple especially.
Description of drawings
Fig. 1 is one embodiment of the invention master TV structure schematic diagram.
Fig. 2 is the structural representation of looking up of Fig. 1.
Fig. 3 is the C-C broken section structure for amplifying schematic diagram of Fig. 2.
Fig. 4 is a flow chart of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
Among the figure: 1 is shell, and 1.1 is air inlet, and 1.2 is air outlet, 2 is outer pot, and 3 is pot in the pottery, and 4 is heating tape, 5 is conductive sole plate, and 6 is sealing ring, and 7 is heat transfer plate, 8 is the semiconductor refrigerating module, and 9 is fin, and 10 is bearing support, 11 is radiator fan, 12 is control panel, and 13 is display, and 14 is pot cover.
Referring to Fig. 1-Fig. 3, the slow cooker of this band refrigerating fresh-keeping function, comprise the outer pot 2 and the interior pot 3 of pottery that are successively set in the shell 1, heating tape 4 is arranged on outer pot 2 peripheries, ceramic liner 3 adopts combining structure, its bottom is provided with the installing hole of embedded with metal conductive sole plate 5, and metal heat-conducting base plate cross section is several fonts, is provided with sealing ring 6 between the pot 3 in metal heat-conducting base plate 5 and the pottery; Metal heat-conducting base plate 5 joins with the cold junction of large-power semiconductor refrigeration module 8, and the hot junction of semiconductor refrigerating module 8 and fin 9 join, and fin 9 belows are provided with radiator fan 9.Fin 9 is arranged on the bearing support 10, and bearing support and shell 1 join, and is provided with the heat transfer plate 7 of die casting between metal heat-conducting base plate 5 and semiconductor refrigerating module 8 cold junctions, and heat transfer plate keeps excellent contact with the conductive sole plate of the interior pot of pottery.Attachment screw connects as one heat transfer plate, semiconductor refrigerating module and fin successively.Shell 1 bottom is provided with air inlet 1.2, and 1 liang of side bottom of shell is provided with air outlet 1.1.Be provided with barrier on air inlet and the air outlet.Be provided with the MCU controller in the slow cooker, shell 1 front is provided with control panel 12, control panel is provided with LCD or the charactron display 13 that is used for demonstration time or temperature or firepower, the time set button can carry out the setting that high, medium and low temperature is stewed slowly and is incubated, stewes time, time reservation slowly by control panel 12.
Adopt the low thermal resistance material of aluminium alloy or copper alloy at the bottom of the metal heat-conducting among the present invention, farthest be delivered in the interior pot with the cold that the semiconductor refrigerating module is produced; Sealing ring adopts silastic material, and when assembling interior pot, the metal heat-conducting base plate assembles in pot, and snapping compresses sealing ring in the bottom, and the sealing circle is mainly used in the liquid that prevents in the pot and reveals.
When the present invention worked, air entered in the slow cooker along the air inlet of outer casing bottom under the radiator fan effect, see among Fig. 2 shown in the arrow B, after itself and fin carry out heat exchange, again under the effect of radiator fan, air outlet through the shell both sides leaves slow cooker, sees shown in the arrow A.
Referring to Fig. 4, during the operation slow cooker, can carry out successively according to the following step,
1) setting of stewed time slowly: can set the working time of stewing slowly by " TIME+ " and " TIME-", the groundwork time of acquiescence is 1.0~3.0 hours, and the increase and decrease amount of the each button of setting-up time is 5~20 minutes, and it is 8 hours that maximum is stewed the working time slowly;
2) setting of time reservation: after configuring the stewed slowly working time, if reservation service time, by " DELAY " button, time figure flashes, and begins to set the delay working time, and maximum delay is set at 24 hours, wherein, the delay working time comprises the working time of stewing slowly, increases and decreases 5~20 minutes at every turn, when pinning key continuously, numeral is continuous variation, after configuring between time-delay, again by " DELAY " button, can finish setting, time figure no longer flashes;
3) setting of stewed firepower slowly: the mean power of pressing the key assignments heating by " POWER ", power during heating with full power is 200~800W, the firepower of default conditions is chosen as " M ", mean power is 150~500W, mean power is 80~200W when selecting " L ", mean power is 250~800W when selecting " H ", and different stewes temperature slowly corresponding to different food and quantity thereof;
4) start operation and the indication stop: after time and firepower configure, can start or stop the operation of machine by " ON/OFF " button, after the startup, if be operated in the time-delay state, then the LED under " DELAY " is shinny, if after entering heated condition, then the indicator lamp of " HEAT " is bright, after stewed slowly the finishing, enters automatic heat preserving, then the indicator lamp of " WARM " is bright, has 0.5~6 hour automatic heat preserving;
5) realization of refrigerating fresh-keeping function: when setting is stewed the working time slowly, set time reservation, automatically enter the refrigerating fresh-keeping program after then starting, preservation temperature in pot in the pottery is when reaching below 8 ℃ or 8 ℃, and the delay time of setting in advance in the time reservation begins countdown, when the delay time end enters stewed slowly time, stopping the refrigerating fresh-keeping program begins to heat stewed slowly, finish until the whole working time, after the startup heating was stewed slowly, the semiconductor refrigerating module was open-circuit condition; Perhaps, when setting is stewed the working time slowly, set time reservation, automatically entering the refrigerating fresh-keeping program after then starting lowers the temperature to pot in the pottery, meanwhile, the delay time of setting in advance in the time reservation begins countdown, preservation temperature in pottery in the pot reaches below 8 ℃ or 8 ℃, when delay time finishes to enter when stewing the time slowly, stopping the refrigerating fresh-keeping program begins to heat stewed slowly, until stewing the working time end slowly, after the startup heating was stewed slowly, the semiconductor refrigerating module was open-circuit condition; Preservation temperature wherein can be set at 4~8 ℃.
When not needing to carry out refrigerating fresh-keeping, can directly skip this step, then equally use with common slow cooker.
6) automatic heat preserving: after stewing the working time end slowly, change the automatic heat preserving state automatically over to.The automatic heat preserving of the automatic heat preserving in this step and common slow cooker is basic identical, is not repeated.

Claims (9)

1. the slow cooker with the refrigerating fresh-keeping function comprises the outer pot (2) and the interior pot of pottery (3) that are successively set in the shell (1), and heating tape (4) is arranged on the outer pot, it is characterized in that the bottom of described ceramic liner is inlaid with metal heat-conducting base plate (5).
2. the slow cooker of band refrigerating fresh-keeping function according to claim 1 is characterized in that the described metal heat-conducting base plate (5) and the cold junction of semiconductor refrigerating module (8) join.
3. the slow cooker of band refrigerating fresh-keeping function according to claim 2 is characterized in that the hot junction of described semiconductor refrigerating module (8) and fin (9) join.
4. the slow cooker of band refrigerating fresh-keeping function according to claim 2 is characterized in that described fin (9) below is provided with radiator fan (9).
5. according to the slow cooker of claim 3 or 4 described band refrigerating fresh-keeping functions, it is characterized in that described fin (9) is arranged on the bearing support (10), bearing support and shell join, be provided with heat transfer plate (7) between metal heat-conducting base plate (5) and semiconductor refrigerating module (8) cold junction, attachment screw connects as one heat transfer plate, semiconductor refrigerating module and fin successively.
6. the slow cooker of band refrigerating fresh-keeping function according to claim 1 is characterized in that being provided with sealing ring (6) between the pot (3) in described metal heat-conducting base plate (5) and the pottery; And/or metal heat-conducting base plate cross section is several fonts.
7. the slow cooker of band refrigerating fresh-keeping function according to claim 1 is characterized in that described shell (1) bottom is provided with air inlet (1.2), and the shell side is provided with air outlet (1.1).
8. the slow cooker of band refrigerating fresh-keeping function according to claim 1, it is characterized in that being provided with in the described slow cooker MCU controller, shell (1) front is provided with control panel (12), and control panel is provided with LCD or charactron display (13) and the time setting button that is used for demonstration time or temperature or firepower.
9. method of operating with the slow cooker of refrigerating fresh-keeping function, it is characterized in that adopting MCU control, LCD or LED show the time, have working time setting, delay adjustments, slowly stew firepower adjusting, time reservation, refrigerating fresh-keeping, stew heating and insulation deixis slowly, the semiconductor refrigerating module adopts powerful Switching Power Supply power supply
1) setting of stewed time slowly: can set the working time of stewing slowly by " TIME+ " and " TIME-", the groundwork time of acquiescence is 1.0~3.0 hours, and the increase and decrease amount of the each button of setting-up time is 5~20 minutes, and it is 8 hours that maximum is stewed the working time slowly;
2) setting of time reservation: after configuring the stewed slowly working time, if reservation service time, by " DELAY " button, time figure flashes, and begins to set the delay working time, and maximum delay is set at 24 hours, wherein, the delay working time comprises the working time of stewing slowly, increases and decreases 5~20 minutes at every turn, when pinning key continuously, numeral is continuous variation, after configuring between time-delay, again by " DELAY " button, can finish setting, time figure no longer flashes;
3) setting of stewed firepower slowly: the mean power of pressing the key assignments heating by " POWER ", power during heating with full power is 200~800W, the firepower of default conditions is chosen as " M ", mean power is 150~500W, mean power is 80~200W when selecting " L ", mean power is 250~800W when selecting " H ", and different stewes temperature slowly corresponding to different food and quantity thereof;
4) start operation and the indication stop: after time and firepower configure, can start or stop the operation of machine by " ON/OFF " button, after the startup, if be operated in the time-delay state, then the LED under " DELAY " is shinny, if after entering heated condition, then the indicator lamp of " HEAT " is bright, after stewed slowly the finishing, enters automatic heat preserving, then the indicator lamp of " WARM " is bright, has 0.5~6 hour automatic heat preserving;
5) realization of refrigerating fresh-keeping function: when setting is stewed the working time slowly, set time reservation, automatically enter the refrigerating fresh-keeping program after then starting, preservation temperature in pot in the pottery is when reaching below 8 ℃ or 8 ℃, and the delay time of setting in advance in the time reservation begins countdown, when the delay time end enters stewed slowly time, stopping the refrigerating fresh-keeping program begins to heat stewed slowly, finish until the whole working time, after the startup heating was stewed slowly, the semiconductor refrigerating module was open-circuit condition; Perhaps, when setting is stewed the working time slowly, set time reservation, automatically entering the refrigerating fresh-keeping program after then starting lowers the temperature to pot in the pottery, meanwhile, the delay time of setting in advance in the time reservation begins countdown, preservation temperature in pottery in the pot reaches below 8 ℃ or 8 ℃, when delay time finishes to enter when stewing the time slowly, stopping the refrigerating fresh-keeping program begins to heat stewed slowly, until stewing the working time end slowly, after the startup heating was stewed slowly, the semiconductor refrigerating module was open-circuit condition;
6) automatic heat preserving: after stewing the working time end slowly, change the automatic heat preserving state automatically over to.
CNB2007100275733A 2007-04-10 2007-04-10 Slow cooker with refrigeration and fresh-keeping function and its operation method Active CN100469285C (en)

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