CN101810430B - Cooking control method of electric cooker - Google Patents
Cooking control method of electric cooker Download PDFInfo
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- CN101810430B CN101810430B CN2009101934722A CN200910193472A CN101810430B CN 101810430 B CN101810430 B CN 101810430B CN 2009101934722 A CN2009101934722 A CN 2009101934722A CN 200910193472 A CN200910193472 A CN 200910193472A CN 101810430 B CN101810430 B CN 101810430B
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- 238000010411 cooking Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 21
- 235000009566 rice Nutrition 0.000 claims abstract description 21
- 238000009835 boiling Methods 0.000 claims abstract description 20
- 235000013305 food Nutrition 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 6
- 240000007594 Oryza sativa Species 0.000 claims 1
- 241000209094 Oryza Species 0.000 abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 239000004927 clay Substances 0.000 description 6
- 238000013021 overheating Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The invention relates to a cooking control method of an electric cooker. The electric cooker comprises a cooker body (1), an inner container (2), an upper cover device (3) and a heating device (4) for heating the inner container, wherein a bottom temperature measurer (5) for detecting the temperature of the inner container is arranged on the outer side of the bottom of the inner container (2), a cover temperature measurer (6) for detecting the temperature of the upper cover and a control device (7) for controlling cooking work are arranged on the upper cover device (3), the control device (7) comprises a main controller (8) and a timer (9), a temperature storage (10) and a time storage (11) which are respectively connected with the main controller, and the control device (7) controls the cooking process to comprise three stages: the first heating stage S1, the second heating stage S2 and the boiling stage S3 are provided, the rice cooking control method controls the boiling heating time by using the time parameter in the boiling stage of the rice water, and avoids the phenomenon that the rice is not cooked due to the early ending of the boiling heating caused by the abnormal temperature rise of the bottom of the inner container by using the temperature parameter as the heating condition for ending the boiling.
Description
Technical field
The present invention is a kind of cooking control method of electric cooker, and particularly a kind of cooking control method of using the electric cooker of red-clay inner belongs to the renovation technique of the cooking control method of electric cooker.
Background technology
Common on the market electric cooker generally all is the inner bag that adopts metal material at present, the inner bag bottom outside and on cover and be respectively arranged with temperature inductor, its process of cooking is divided into following four steps: 1, high-power heating is kept bottom temp in 50～60 ℃ of scopes about 10 minutes, and meter coolant-temperature gage is remained in the temperature range that helps absorbing water; 2, high-power heating is kept bottom temp at 110～120 ℃, reaches about 80 ℃ until the loam cake temperature, judges that Mi Shui enters fluidized state; 3, with suitable small-power heating, reach about 130 ℃, finish boiling until bottom temp; 4, small-power heating is kept bottom temp and is being cooked rice over a slow fire about 10 minutes near 100 ℃.
Because metal inner tube has good heat-conducting and thermal inertia is little, the heat ratio of inner bag is easier to be delivered in rice and the water, and rice is effective.But, for the electric cooker of using red-clay inner, because the red-clay inner heat conductivility is poor, thermal inertia is big, in above-mentioned first three step stage, heat is difficult to be delivered to rapidly Mi Shuizhong, particularly the Mi Shui of top section very easily causes mashed, the half-cooked phenomenon in upper strata in rice bottom that the rice suction is not enough, cook.
In addition, because the influence of factors such as processing technology, red-clay inner deviation ratio metal inner tube dimensionally is big, especially in the 3rd step stage of above-mentioned " finishing boiling when bottom temp rises to higher temperature ", adopt the electric cooker of red-clay inner to tend to the overheating that causes owing to the inner bag dimensional discrepancy and finish heating in advance, thereby it is insufficient to cause seething with excitement, and rice is not yet done.
Summary of the invention
The objective of the invention is to consider the problems referred to above and provide a kind of heat transmission even, it is effective to cook, and the electric cooker cooking control method of the anomaly that heats can not occur finishing in advance.
Technical scheme of the present invention is: the cooking control method of electric cooker of the present invention, wherein set electric cooker includes pot body, inner bag, capping device, heater to the inner bag heating, wherein the bottom outside of inner bag is provided with the end thermal detector that is used to detect the inner bag temperature, capping device is provided with the control device that is used to detect the lid thermal detector of loam cake temperature and controls the work of cooking, control device includes master controller and the timer that is connected with master controller respectively, temperature memory and time memory, end thermal detector is connected with the input of master controller with the output of lid thermal detector, the output of master controller is electrically connected with heater, be preset with peak Tb1max and the minimum Tb1min of the first bottom temp Tb1 in the said temperature memory, the peak Tb2max of the second bottom temp Tb2 and minimum Tb2min, the first loam cake temperature T t1 and the second loam cake temperature T t2, be preset with very first time t1 in the time memory, the control device control process of cooking comprises following three phases:
1) heating one stage S1: master controller makes the timer timing of starting from scratch, and the driving heater continues food is heated, master controller is accepted the end thermal detector inner bag bottom temp signal Tb that detects and the loam cake temperature signal Tt that covers the thermal detector detection simultaneously, and by the heating of following regular drive heater action: inner bag bottom temp signal Tb is during greater than the peak Tb1max of the default first bottom temp Tb1, the heater stop heating; Inner bag bottom temp signal Tb is during less than the minimum Tb1min of the default first bottom temp Tb1, and heater begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until detected loam cake temperature signal Tt more than or equal to the first default loam cake temperature T t1, the time tz that the timer meter is got is deposited with in the time memory, enters the next stage;
2) heating two-stage S2: master controller continues to drive heater and continues food is heated, master controller is accepted the end thermal detector inner bag bottom temp signal Tb that detects and the loam cake temperature signal Tt that covers the thermal detector detection simultaneously, and by the heating of following regular drive heater action: inner bag bottom temp signal Tb is during greater than the peak Tb2max of the default second bottom temp Tb2, the heater stop heating; Inner bag bottom temp signal Tb is during less than the minimum Tb2min of the default second bottom temp Tb2, and heater begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until detected loam cake temperature signal Tt more than or equal to the temperature memory in the second default loam cake temperature T t2, enter the next stage;
3) boiling stage S3: master controller makes the timer timing of starting from scratch, and the driving heater continues food is heated, master controller is accepted the inner bag bottom temp signal Tb that end thermal detector detects simultaneously, and by the heating of following regular drive heater action: inner bag bottom temp signal Tb is during greater than the peak Tb2max of the default second bottom temp Tb2, the heater stop heating; Inner bag bottom temp signal Tb is during less than the minimum Tb2min of the default second bottom temp Tb2, and heater begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until time t that the timer meter gets more than or equal to time memory in default very first time t1, enter the next stage.
Be preset with peak Tb3max and the minimum Tb3min of the 3rd bottom temp Tb3 in the said temperature memory, be preset with the second time t2 in the described time memory, the control device control process of cooking also comprises the stage of the cooking rice over a slow fire S4 after boiling stage S3 finishes:
Master controller makes the timer timing of starting from scratch, and the driving heater continues food is heated, master controller is accepted the inner bag bottom temp signal Tb that end thermal detector detects simultaneously, and by the heating of following regular drive heater action: inner bag bottom temp signal Tb is during greater than the peak Tb3max of default the 3rd bottom temp Tb3, the heater stop heating; Inner bag bottom temp signal Tb is during less than the minimum Tb3min of default the 3rd bottom temp Tb3, and heater begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until time t that the timer meter gets more than or equal to time memory in the second default time t2, the process of cooking finishes.
The above-mentioned first bottom temp Tb1 is preferably 140～160 ℃ of scopes.
The above-mentioned second bottom temp Tb2 is preferably 120～140 ℃ of scopes.
Above-mentioned very first time t1 is preferably 5～20 minutes.
Above-mentioned the 3rd bottom temp Tb3 is preferably in 90～110 ℃ of scopes.
The above-mentioned second time t2 is preferably 0～15 minute.
Side is provided with the end thermal detector that is used to detect the inner bag temperature owing to adopt outside the tank in the present invention, capping device is provided with the structure of the lid thermal detector that is used to detect the loam cake temperature, and control device includes master controller and the timer that is connected with master controller respectively, temperature memory and time memory, end thermal detector is connected with the input of master controller with the output of lid thermal detector, the output of master controller is electrically connected with heater, and before rice water boiling, the cooking control method of higher temperature will be maintained bottom the inner bag, at the slow character of red-clay inner heat transfer, utilize high temperature to force the heat energy fast, be delivered to Mi Shuizhong uniformly; Utilize time parameter to control boiling heat time heating time at rice water boiling stage, avoid utilizing temperature parameter, the not yet done phenomenon of rice consequently occurs as finishing the boiling heating condition and causing finishing in advance because of inner bag bottom overheating causes the boiling heating.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the theory diagram of control device of the present invention;
Fig. 3 is cook variations in temperature schematic diagram in the process of electric cooker of the present invention;
Fig. 4 is the cook control flow chart of process of electric cooker of the present invention;
Fig. 5 is the electric cooker of the present invention parameter list of process in each stage of cooking.
The specific embodiment
Embodiment
Structural representation of the present invention as shown in Figure 1, include pot body 1, place the inner bag 2 that is used for food container in pot body 1, inner bag 2 is carried out the capping device 3 of capping, the heater 4 that inner bag and food are heated, be arranged on the end thermal detector 5 that the inner bag bottom outside is used to detect the inner bag temperature, be arranged on the control device 7 that is used to detect the lid thermal detector 6 of loam cake temperature in the capping device and controls the work of cooking, control device 7 includes integrated master controller 8, timer 9, temperature memory 10 and time memory 11, timer 9, temperature memory 10, time memory 11 is connected with master controller 8 respectively, end thermal detector 5 is connected with the input of master controller 8 with the output of lid thermal detector 6, and the output of master controller 8 is electrically connected with heater 8.
Be preset with peak Tb1max and the minimum Tb1min of the first bottom temp Tb1 in the temperature memory 10, the peak Tb2max of the second bottom temp Tb2 and minimum Tb2min, the peak Tb3max of the 3rd bottom temp Tb3 and minimum Tb3min, the first loam cake temperature T t1 and the second loam cake temperature T t2, be preset with the very first time t1 and the second time t2 in the time memory 11, master controller 8 is according to the comparative result of the temperature parameter of presetting in the temperature signal of end thermal detector 5 and 6 outputs of lid thermal detector and the temperature memory 10, the comparative result of default time parameter is controlled the action of heater 4 in the time signal of timer 9 outputs and the time memory 11.
As Fig. 3, Fig. 4, shown in Figure 5, the cooking control method of electric cooker of the present invention comprises following four-stage:
1) heating one stage S1: master controller 8 makes timer 9 timing of starting from scratch, and driving heater 4 continues food is heated, master controller 8 is accepted end thermal detector 5 inner bag bottom temp signal Tb that detects and the loam cake temperature signal Tt that covers thermal detector 6 detections simultaneously, and by the heating of following regular drive heater 4 action: inner bag bottom temp signal Tb is during greater than the peak Tb1max of the default first bottom temp Tb1, heater 4 stops heating, in the present embodiment, peak Tb1max is 153 ℃; Inner bag bottom temp signal Tb is during less than the minimum Tb1min of the default first bottom temp Tb1, and heater 4 begins heating, and in the present embodiment, minimum Tb1min is 151 ℃; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until detected loam cake temperature signal Tt more than or equal to the first default loam cake temperature T t1, with timer 9 time tz be deposited with in the time memory 11, enter the next stage, in the present embodiment, the first loam cake temperature T t1 is 70 ℃.This stage is provided with higher bottom holding temperature, and its purpose is at slow character of nonmetal inner bag heat transfer such as boccaros, utilizes high temperature to force heat can upload to fast in the middle of rice and the water.
2) heating two-stage S2: master controller 8 continues to drive heater 4 and continues food is heated, master controller 8 is accepted end thermal detector 5 inner bag bottom temp signal Tb that detects and the loam cake temperature signal Tt that covers thermal detector 6 detections simultaneously, and by the heating of following regular drive heater 4 action: inner bag bottom temp signal Tb is during greater than the peak Tb2max of the default second bottom temp Tb2, heater 4 stops heating, in the present embodiment, peak Tb2max is 135 ℃; Inner bag bottom temp signal Tb is during less than the minimum Tb2min of the default second bottom temp Tb2, and heater 4 begins heating, and in the present embodiment, minimum Tb2min is 133 ℃; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until detected loam cake temperature signal Tt more than or equal to temperature memory 10 in the second default loam cake temperature T t2, enter the next stage, in the present embodiment, the second loam cake temperature T t2 is 70 ℃～85 ℃.The concrete numerical value of the second loam cake temperature T t 2 is associated with the total time tz in one stage of heating, is preset with the second loam cake temperature T t2 one to one with the total time tz of variant grade in the temperature memory 10, shown in Fig. 5 a.This stage bottom holding temperature is provided with more lower slightly than one stage of heating, its objective is because the thermal inertia of nonmetal inner bags such as boccaro is bigger, in order to cushion its thermal inertia, avoids thin rice gruel to overflow.
3) boiling stage S3: master controller 8 makes timer 9 timing of starting from scratch, and driving heater 4 continues food is heated, master controller 8 is accepted the inner bag bottom temp signal Tb that end thermal detector 5 detects simultaneously, and by the heating of following regular drive heater 4 action: inner bag bottom temp signal Tb is during greater than the peak Tb2max of the default second bottom temp Tb2, heater 4 stops heating, in the present embodiment, peak Tb2max is 135 ℃; Inner bag bottom temp signal Tb is during less than the minimum Tb2min of the default second bottom temp Tb2, and heater 4 begins heating, and in the present embodiment, minimum Tb2min is 133 ℃; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until timer 9 time t more than or equal to time memory 11 in default very first time t1, enter the next stage.The concrete numerical value of very first time t1 is associated with the total time tz in one stage of heating, is preset with the very first time t1 one to one with the total time tz of variant grade in the time memory 11, and in the present embodiment, very first time t1 is 7～13 minutes, shown in Fig. 5 b.This stage selects the different boiling times of keeping to guarantee that the process of cooking has certain boiling heat time heating time by one time of heating that records, when avoiding utilizing temperature spot as transition condition, because the bottom overheating causes boiling stage to finish in advance.
4) the stage S4 that cooks rice over a slow fire: master controller 8 makes timer 9 timing of starting from scratch, and driving heater 4 continues food is heated, master controller 8 is accepted the inner bag bottom temp signal Tb that end thermal detector 5 detects simultaneously, and by the heating of following regular drive heater 4 action: inner bag bottom temp signal Tb is during greater than the peak Tb3max of default the 3rd bottom temp Tb3, heater 4 stops heating, in the present embodiment, peak Tb3max is 101 ℃; Inner bag bottom temp signal Tb is during less than the minimum Tb3min of default the 3rd bottom temp Tb3, and heater 4 begins heating, and in the present embodiment, minimum Tb3min is 99 ℃; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until timer 9 time t more than or equal to time memory 11 in the second default time t2, the process of cooking finishes.The concrete numerical value of the second time t2 is associated with the total time tz in one stage of heating, is preset with the second time t2 one to one with the total time tz of variant grade in the time memory 11, and in the present embodiment, the second time t2 is 5～10 minutes, shown in Fig. 5 c.This stage is selected the time of cooking rice over a slow fire by one time of heating that records, and guarantees that different rice measurers have suitable cooking rice over a slow fire the time.For different rice plant, essence is boiled with boil function soon that different cooking rice over a slow fire the time can be set.
In the present embodiment, Tb1max is identical with the difference of Tb1, Tb1 and Tb1min, Tb2max and Tb2, Tb2 and Tb2min, Tb3max and Tb3, Tb3 and Tb3min, is 1 ℃.Different products is according to factors such as the structure of product itself, performances, and it is identical or inequality to design above-mentioned difference.
In the present embodiment, each temperature value, time value all are chosen as the optimum value when cooking, and certain first bottom temp Tb1 is chosen in 140～160 ℃ of scopes, the second bottom temp Tb2 is chosen in 120～140 ℃ of scopes, the 3rd bottom temp Tb3 is chosen in 90～110 ℃ of scopes, very first time t1 is chosen in 5～20 minutes scopes, the second time t2 is chosen in 0～15 minute and can reaches good effect in the scope.
Claims (7)
1. the cooking control method of an electric cooker, wherein said electric cooker includes pot body (1), inner bag (2), capping device (3), heater (4) to the inner bag heating, inner bag (2) bottom outside is provided with the end thermal detector (5) that is used to detect the inner bag temperature, capping device (3) is provided with the control device (7) that is used to detect the lid thermal detector (6) of loam cake temperature and controls the work of cooking, control device (7) includes master controller (8) and the timer that is connected with master controller respectively (9), temperature memory (10) and time memory (11), end thermal detector (5) is connected with the input of master controller (8) with the output of lid thermal detector (6), and the output of master controller (8) is electrically connected with heater (8); It is characterized in that being preset with in the said temperature memory (10) the peak Tb1max of the first bottom temp Tb1 and peak Tb2max and minimum Tb2min, the first loam cake temperature T t1 and the second loam cake temperature T t2 of minimum Tb1min, the second bottom temp Tb2, time memory is preset with very first time t1 in (11), and control device (7) the control process of cooking comprises following three phases:
1) heating one stage S1: master controller (8) makes timer (9) timing of starting from scratch, and driving heater (4) continues food is heated, master controller (8) is accepted end thermal detector (5) inner bag bottom temp signal Tb that detects and the loam cake temperature signal Tt that covers thermal detector (6) detection simultaneously, and by the heating of following regular drive heater (4) action: inner bag bottom temp signal Tb is during greater than the peak Tb1max of the default first bottom temp Tb1, and heater (4) stops heating; Inner bag bottom temp signal Tb is during less than the minimum Tb1min of the default first bottom temp Tb1, and heater (4) begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until detected loam cake temperature signal Tt more than or equal to the first default loam cake temperature T t1, with timer (9) count time tz be deposited with in the time memory 11, enter the next stage;
2) heating two-stage S2: master controller (8) continues to drive heater (4) and continues food is heated, master controller (8) is accepted end thermal detector (5) inner bag bottom temp signal Tb that detects and the loam cake temperature signal Tt that covers thermal detector (6) detection simultaneously, and by the heating of following regular drive heater (4) action: inner bag bottom temp signal Tb is during greater than the peak Tb2max of the default second bottom temp Tb2, and heater (4) stops heating; Inner bag bottom temp signal Tb is during less than the minimum Tb2min of the default second bottom temp Tb2, and heater (4) begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until detected loam cake temperature signal Tt more than or equal to temperature memory (10) in the second default loam cake temperature T t2, enter the next stage;
3) boiling stage S3: master controller (8) makes timer (9) timing of starting from scratch, and driving heater (4) continues food is heated, master controller (8) is accepted the inner bag bottom temp signal Tb that end thermal detector (5) detects simultaneously, and by the heating of following regular drive heater (4) action: inner bag bottom temp signal Tb is during greater than the peak Tb2max of the default second bottom temp Tb2, and heater (4) stops heating; Inner bag bottom temp signal Tb is during less than the minimum Tb2min of the default second bottom temp Tb2, and heater (4) begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until timer (9) count time t more than or equal to time memory (11) in default very first time t1, enter the next stage.
2. according to the cooking control method of the described electric cooker of claim 1, it is characterized in that being preset with in the said temperature memory (10) peak Tb3max and the minimum Tb3min of the 3rd bottom temp Tb3, be preset with the second time t2 in the described time memory (11), control device (7) the control process of cooking also comprises the stage of the cooking rice over a slow fire S4 after boiling stage S3 finishes:
Master controller (8) makes timer (9) timing of starting from scratch, and driving heater (4) continues food is heated, master controller (8) is accepted the inner bag bottom temp signal Tb that end thermal detector (5) detects simultaneously, and by the heating of following regular drive heater (4) action: inner bag bottom temp signal Tb is during greater than the peak Tb3max of default the 3rd bottom temp Tb3, and heater (4) stops heating; Inner bag bottom temp signal Tb is during less than the minimum Tb3min of default the 3rd bottom temp Tb3, and heater (4) begins heating; Otherwise next bottom temp signal Tb is carried out above-mentioned comparison, circulate repeatedly until timer (9) count time t more than or equal to time memory 11 in the second default time t2, the process of cooking finishes.
3. according to the cooking control method of claim 1 or 2 described electric cookers, it is characterized in that the above-mentioned first bottom temp Tb1 is preferably 140～160 ℃ of scopes.
4. according to the cooking control method of claim 1 or 2 described electric cookers, it is characterized in that the above-mentioned second bottom temp Tb2 is preferably 120～140 ℃ of scopes.
5. according to the cooking control method of claim 1 or 2 described electric cookers, it is characterized in that above-mentioned very first time t1 is preferably 5～20 minutes.
6. according to the cooking control method of the described electric cooker of claim 2, it is characterized in that above-mentioned the 3rd bottom temp Tb3 is preferably in 90～110 ℃ of scopes.
7. according to the cooking control method of the described electric cooker of claim 2, it is characterized in that the above-mentioned second time t2 is preferably 0～15 minute.
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| CN2009101934722A CN101810430B (en) | 2009-10-30 | 2009-10-30 | Cooking control method of electric cooker |
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| CN2009101934722A CN101810430B (en) | 2009-10-30 | 2009-10-30 | Cooking control method of electric cooker |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102396998A (en) * | 2010-09-13 | 2012-04-04 | 珠海格力电器股份有限公司 | Electric cooker |
| CN102342737B (en) * | 2011-08-31 | 2014-06-18 | 佛山市顺德区美的电热电器制造有限公司 | Cooking control method of electric rice cooker |
| CN102880070B (en) * | 2012-09-19 | 2015-03-04 | 格力电器（中山）小家电制造有限公司 | Device for controlling electric pressure cooker |
| CN103645758B (en) * | 2013-12-20 | 2015-10-21 | 方春友 | Heating kettle temperature control system and method |
| WO2019001230A1 (en) * | 2017-06-29 | 2019-01-03 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and control method thereof |
| CN108354456B (en) * | 2018-02-10 | 2020-05-19 | 深圳和而泰小家电智能科技有限公司 | Heating control method and device and food heating device |
| CN112450711B (en) * | 2019-09-06 | 2022-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Operation control method, device, cooking utensil and computer readable storage medium |
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