CN117243501A - Electric cooker with refrigeration function and food preservation method - Google Patents

Abstract

The invention discloses an electric cooker with a refrigerating function and a food preservation method, and belongs to the technical field of electric cookers.

Description

Electric cooker with refrigeration function and food preservation method

Technical Field

The invention relates to the technical field of electric rice cookers, in particular to an electric rice cooker with a refrigerating function and a food preservation method.

Background

The electric cooker is widely applied in daily life as a common cooking utensil, occupies extremely large specific gravity in the market, has a heating function, cannot meet the preservation requirement of food materials, and is required to be added with a cooling function to prolong the preservation period of the food materials, and the reservation function of the intelligent electric cooker is matched to realize reservation heating at long time intervals, so that the electric cooker is more suitable for the fast rhythm of modern life.

The current publication number CN 104905671A's patent application discloses an electric cooker with refrigeration function, including a kind of deep pot body, set up in the handle of a kind of deep pot body upper portion, set up in the operating panel of a kind of deep pot body side, a kind of deep pot body lower part be equipped with the heater, its characterized in that: the pot comprises a pot body, and is characterized by also comprising a refrigerating cover and a heating cover, wherein the refrigerating cover comprises a refrigerating cover shell, a heat insulation plate and a refrigerating module arranged in the refrigerating cover shell, a plurality of magnetic bodies are fixed at the lower end of the refrigerating cover, a plurality of magnetic bodies are fixed at the upper end and the lower end of the pot body along the circumference, and a plurality of magnetic bodies are fixed at one end of the heating cover facing the pot body along the circumference; the refrigerating cover and the heating cover are magnetically connected with the upper end or the lower end of the cooker body through a magnetic body; the electric cooker is characterized in that the cooker body is provided with a power supply leading-in end, the heat dissipation capacity of the electric cooker for cooked food is poor, the food cannot be quickly cooled, the sealing performance in the cooker liner is poor, and the preservation period of the food is short.

Disclosure of Invention

The invention aims to provide an electric rice cooker with a refrigerating function, which solves the problems of low cooling speed and poor refrigerating tightness of the existing electric rice cooker.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the utility model provides an electric cooker with cold-stored function, includes shell, heating chamber, pot courage and pot cover, the heating chamber sets up bottom in the shell, the pot courage sets up in the heating chamber, the pot cover sets up on the opening of pot courage be equipped with airflow channel between the heating chamber with be equipped with first radiator unit and cooling module be equipped with the through-hole on one lateral wall of shell be equipped with the air vent on another lateral wall of shell, the through-hole passes through airflow channel with the air vent intercommunication, first radiator unit with cooling module all locates on the through-hole, in order to refrigerate food material in the pot courage, can prolong the life of food material in the pot courage can also reduce the temperature of cooked food fast, convenient to eat.

Further, the heat dissipation device further comprises a second heat dissipation component, wherein the second heat dissipation component is arranged on the air vent and can improve heat dissipation efficiency by being matched with the first heat dissipation component.

Still further, cooling module detachably connects on the through-hole, cooling module includes fan, radiator block, semiconductor refrigeration piece and support, install after fan, radiator block and semiconductor refrigeration piece stack in proper order in the support, be equipped with the card strip on the support, the support buckle is connected on the through-hole, cooling module small in size and reaction are rapid.

Still further, first cooling module detachably connects on the through-hole, first cooling module includes first fan and first frame, first fan sets up on the first frame, first frame buckle is connected on the through-hole, make things convenient for function selection and maintenance to change.

Still further be equipped with the spout on the shell, the spout sets up one side of through-hole, first cooling module with cooling module all with spout sliding connection, first cooling module with cooling module can respectively with the through-hole butt joint can realize ventilation heat dissipation and the quick switch that the air conditioning preserved, satisfies different operation requirement.

Preferably, the refrigerator further comprises a timing assembly, wherein the timing assembly is arranged at the top of the shell and is used for reserving the refrigerating time and the heating time.

More preferably, the air flow channel is arranged around the pot liner, and the cooling and temperature reduction of the pot liner are more uniform.

The cooling hole is arranged on the bottom surface of the shell, the cooling hole comprises an air guide cover and an air guide hole, the air guide cover is arranged at the bottom of the shell, the air guide hole penetrates through the air guide cover, the air guide hole is parallel to the bottom surface of the shell and used for discharging redundant heat when heating food materials, cooling is accelerated, and meanwhile, overflowing of cool air can be prevented.

More preferably, the food heating device further comprises a heating disc, wherein the heating disc is arranged at the bottom of the heating cavity and is used for electrically heating the food in the pot liner.

The second purpose of the invention is to provide a food preservation method, which solves the problems of short reserved heating time and short preservation time of cooked food of the existing electric cooker.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: .

A method of preserving food comprising the steps of:

s1, preparing food materials: putting food materials into the pot liner, putting the pot liner into the heating cavity, and closing the pot cover to enable the food materials to be in a sealed space;

s2, heating: starting a heating cavity to heat the food materials in the pot liner until the food materials are cooked;

s3, cooling: cold air is input into an air flow channel surrounding the pot liner by a first heat dissipation component on one side wall of the shell, and heat of the pot liner is discharged from an air vent on the other side of the shell until the temperature of the pot liner is reduced to be equal to the room temperature;

s4, preserving at low temperature: the cooling assembly is switched to input cold air into the pot liner, so that the pot liner is under the protection of low temperature, food materials are refrigerated, the preservation period of the food materials and the preservation period of cooked food are prolonged by switching the first heat dissipation assembly and the cooling assembly, and the electric cooker is more suitable for habits of users.

The beneficial effects of the invention are as follows:

(1) The utility model provides an electric cooker with cold-stored function has the air current passageway between pot courage and the shell, be equipped with through-hole and the air vent that communicates air current passageway and set up relatively on the shell, first radiator unit and cooling module link to each other with the through-hole, make first radiator unit can charge outside air into air current passageway, the heat in the pot courage is outwards discharged by the air vent again, reach the effect of quick reduction pot courage temperature, after the pot courage reduces to a certain extent, charge air-conditioning to air current passageway again by cooling module, make food obtain cold-stored, with the save time of extension food, utilize the timing reservation function of electric cooker itself, can charge air-conditioning before food unheated, reach the purpose of extension food shelf life, can reserve time of extension electric cooker under the circumstances that keeps the food taste, it is more convenient to use.

(2) The electric cooker with the refrigerating function is further provided with the second heat dissipation component, the second heat dissipation component is arranged on the air vent, the second heat dissipation component can be used for exhausting air outwards, the heat exchange efficiency of the cooker liner is improved, the purpose of accelerating heat dissipation and cooling is achieved, and in addition, the cooling component and the first heat dissipation component can be selectively arranged on the through hole, so that the electric cooker can be selected and matched, and the selectivity of a user is improved.

(3) This electric cooker with cold-stored function's first cooling module and cooling module, first cooling module and cooling module sliding connection are at the through-hole, switch first cooling module and cooling module through the sliding mode and come the conversion heat dissipation mode and realize quick ventilation heat dissipation and cold-stored, can not destroy the sealed state of food material in the pot courage, safe and reliable.

Drawings

Fig. 1 is an exploded view of an electric rice cooker with a refrigerating function according to the present invention;

FIG. 2 is a second exploded view of the electric cooker with refrigeration function according to the present invention;

FIG. 3 is a cross-sectional view of a rice cooker with a refrigeration function according to the present invention;

FIG. 4 is a second cross-sectional view of the rice cooker with refrigeration function according to the present invention;

fig. 5 is a cross-sectional view of a second embodiment of the present invention.

Reference numerals:

1. a timing assembly; 2. a housing; 21. an air vent; 22. a through hole; 23. a chute; 24. an air flow channel; 25. a heat radiation hole; 251. an air guide hole; 252. an air guide cover; 3. a heating chamber; 4. a pot liner; 5. a heating plate; 6. a temperature control assembly; 7. a pot cover; 71. a sealing plate; 72. a cover body; 8. a cooling assembly; 81. a fan; 82. a heat dissipation block; 83. a semiconductor refrigeration sheet; 84. a bracket; 9. a second heat dissipation assembly; 91. a supporting plate; 92. a second fan; 10. a first heat dissipation assembly; 101. a first frame; 102. a first fan; 103. and (5) clamping the strip.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the examples in the application, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.

Example 1

As shown in fig. 1-5, the embodiment discloses an electric cooker with a refrigeration function, which comprises a housing 2, a heating cavity 3, a pot liner 4 and a pot cover 7, wherein the heating cavity 3 is arranged at the inner bottom of the housing 2 and is used for heating food materials in the pot liner 4, the pot liner 4 is arranged in the heating cavity 3, the pot cover 7 is arranged on an opening of the pot liner 4, so that a closed space is formed in the pot liner 4, an air flow channel 24 is arranged between the heating cavity 3 and the housing 2 and is used for heat exchange between the pot liner 4 and external cold air, the electric cooker further comprises a first heat dissipation component 10 and a cooling component 8, a through hole 22 is formed in one side wall of the housing 2, an air exchanging hole 21 is formed in the other side wall of the housing 2, the through hole 22 is communicated with the air exchanging hole 21 through the air flow channel 24, the first heat dissipation component 10 and the cooling component 8 are both arranged on the through hole 22 and can exchange air and provide cool air into the heating cavity 3, the cool air is input through the first heat dissipation component 10 to exchange the cool air in the pot liner 4, the heated cool air is accelerated, the cool air is filled into the air channel 24 through the cooling component 8, the cooling component 4 is enabled to keep the cool air at a low temperature, the storage time and the food materials can be preserved under the low temperature, the preservation period of food can be kept, and the preservation period can be kept, and the food is kept, and the preservation time is kept.

The air flow channel 24 surrounds the outer side wall of the pot liner 4, the input cold air can be fully contacted with the pot liner 4 to take away heat in the pot liner 4, and the cold air input by the cooling component 8 can uniformly cool and keep the temperature of food materials in the pot liner 4, so that the preservation time of the food materials is prolonged.

Further, still include second cooling module 9, second cooling module 9 sets up on the air vent 21, and second cooling module 9 includes second fan 92 and layer board 91, and second fan 92 is fixed on layer board 91, and layer board 91 installs on the inner wall of shell 2, and second fan 92 can outwards take out the air in the air current passageway 24, and cooperation first cooling module 10 accelerates the outside exhaust heat of pot courage 4, reaches quick cooling's purpose, can use after food material is ripe, conveniently takes out.

Still further, cooling module 8 detachably connects on through-hole 22, cooling module 8 includes fan 81, radiator block 82, semiconductor refrigeration piece 83 and support 84, fan 81, radiator block 82 and semiconductor refrigeration piece 83 are piled up in proper order the back and are installed in support 84, be equipped with card strip 103 on the support 84, support 84 passes through card strip 103 buckle and connects on through-hole 22, make things convenient for the dismouting and change, wherein be equipped with multichannel ventilation groove on the radiator block 82, the outside of ventilation groove orientation shell 2, fan 81 is used for taking away the heat on the semiconductor refrigeration piece 83, prevent the heat accumulation of semiconductor refrigeration piece 83.

The semiconductor refrigerating sheet 83 is used as a cold source, and has the following advantages: the refrigerator does not need any refrigerant, can continuously work, does not have pollution sources, does not pollute food materials, does not have rotating parts and sliding parts, and has no vibration, noise and long service life when in work; the semiconductor refrigerating sheet 83 is a current transduction type sheet piece, high-precision temperature control can be realized through control of input current, and in addition, a temperature detection and control means is adopted, so that program control is easy to realize, and a high-delay reservation function can be realized by matching with the timing component 1; the thermal inertia of the semiconductor refrigerating plate 83 is very small, and the refrigerating and heating time is very short; the power of a single refrigerating element pair of the semiconductor refrigerating sheet 83 is small, different powers can be manufactured through stacking, and the semiconductor refrigerating sheet can be suitable for electric rice cooker refrigeration of different specifications; the semiconductor refrigerating plate 83 has a large temperature difference range from a positive temperature of 90 ℃ to a negative temperature of 130 ℃.

Still further, the first heat dissipation assembly 10 is detachably connected to the through hole 22, the first heat dissipation assembly 10 includes a first fan 102 and a first frame 101, the first fan 102 is disposed on the first frame 101, the first frame 101 is snapped onto the through hole 22, and the first frame 101 is recessed inwards to form a cavity for fixing the first fan 102, so that the first heat dissipation assembly 10 can be replaced conveniently.

Preferably, the timing assembly 1 is further included, the timing assembly 1 is arranged at the top of the shell 2, and the timing assembly 1 can control the working time period and starting and stopping time points of the first heat dissipation assembly 10, the second heat dissipation assembly 9, the cooling assembly 8 and the heating disc 5 through programs so as to realize the reservation function.

Preferably, the pot cover 7 comprises a sealing plate 71 and a cover body 72, an insulation layer is formed between the sealing plate 71 and the cover body 72, the insulation capacity of the pot liner 4 is improved, the sealing plate 71 is arranged on an opening of the pot liner 4, and the sealing performance of the interior of the pot liner 4 is improved.

More preferably, the heat dissipation device further comprises a heat dissipation hole 25, the heat dissipation hole 25 is arranged on the bottom surface of the shell 2, the heat dissipation hole 25 comprises an air guide cover 252 and an air guide hole 251, the air guide cover 252 is arranged on the bottom surface of the shell 2, the air guide hole 251 penetrates through the air guide cover 252, the bottom surfaces of the air guide holes 251 facing the shell 2 are parallel, the air guide holes 251 are used for discharging heat in the heating process, and internal temperature accumulation is prevented, so that damage is caused.

Preferably, the heating device further comprises a heating plate 5, the heating plate 5 is arranged at the bottom of the heating cavity 3, the heating plate 5 is in direct contact with the pot liner 4, a temperature control component 6 is arranged on the heating plate 5, and the temperature control component 6 can control the temperature of the heating pot liner 4, so that the cooking function of different food materials is realized.

The using method of the electric cooker is as follows:

timing reservation function: filling the cleaned food materials into the pot liner 4, locking the pot cover 7 to form a sealed space in the pot liner 4, and sending cold air into the air flow channel 24 by the cooling assembly 8, wherein the cold air surrounds the outer side wall of the pot liner 4 to preserve the food materials at low temperature; after the timing component 1 reaches the reserved time, the cooling component 8 is closed, and the heating disc 5 heats the food in the pot liner 4, so that the food shelf life is prolonged.

The preservation function: after the food is heated and cooked, air is firstly sent into the periphery of the pot liner 4 by the first heat dissipation component 10, the flowing air takes away heat in the pot liner, the food is taken out after being cooked conveniently, after the pot liner 4 is cooled to room temperature, the cooling component 8 is started again to place the pot liner 4 in a low-temperature environment, and the food is preserved at a low temperature so as to prolong the preservation period of the food.

A method of preserving food comprising the steps of:

s1, preparing food materials: putting food materials into the pot liner 4, putting the pot liner 4 into the heating cavity 3, and closing the pot cover 7 to enable the food materials to be in a sealed space;

in step S1, preserving the food material before heating, and introducing cold air into the periphery of the inner container 4 by the cooling assembly 8 to preserve the food material in the inner container 4 at a low temperature until heating of the food material is started;

s2, heating: starting the heating cavity 3 to heat the food materials in the pot liner 4 until the food materials are cooked;

s3, cooling: cold air is input into an air flow channel 24 surrounding the pot liner 4 through a first heat radiating component 10 on one side wall of the shell 2, and heat of the pot liner 4 is discharged through an air vent 21 on the other side of the shell 2 until the temperature of the pot liner 4 is reduced to room temperature;

s4, preserving at low temperature: the cooling component 8 is switched to input cold air into the pot liner 4, so that the pot liner 4 is under the protection of low temperature, and the food materials are refrigerated.

Wherein the low-temperature preservation temperature is lower than-7 ℃ to delay the generation rate of bacteria and prolong the preservation period.

Example two

Referring to fig. 5, the embodiment also discloses an electric cooker, and the same features as the embodiment are that a chute 23 is provided on the casing 2, the chute 23 is provided on one side of the through hole 22, the first heat dissipation component 10 and the cooling component 8 are both slidably connected with the chute 23, the first heat dissipation component 10 and the cooling component 8 can be respectively docked with the through hole 22, and cooling and low-temperature preservation of food materials in the pot liner 4 are realized through the airflow channel 24.

Wherein, the first heat dissipation component 10 and the cooling component 8 are arranged side by side, and both share a through hole 22 to improve the sealing degree of the interior of the shell 2 and the effect of low-temperature refrigeration preservation.

Preferably, the first frame 101 of the first heat dissipating component 10 is provided with a clamping strip 103 facing the inner side wall of the through hole 22, and the clamping strip 103 is slidably connected in the chute 23, so that the process of switching between cold air and cold air is smooth.

Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.

Claims (10)

1. Electric cooker with cold-stored function, including shell (2), heating chamber (3), pot courage (4) and pot cover (7), heating chamber (3) set up in shell (2) in bottom, pot courage (4) set up in heating chamber (3), pot cover (7) set up on the opening of pot courage (4) heating chamber (3) with be equipped with air current passageway (24) between shell (2), its characterized in that: still include first radiator unit (10) and cooling module (8) be equipped with through-hole (22) on one lateral wall of shell (2) be equipped with vent (21) on the other lateral wall of shell (2), through-hole (22) pass through air current passageway (24) with vent (21) intercommunication, first radiator unit (10) with cooling module (8) are all located on through-hole (22).

2. The rice cooker with a refrigerating function according to claim 1, wherein:

the radiator also comprises a second radiating component (9), and the second radiating component (9) is arranged on the ventilation hole (21).

3. The rice cooker with a refrigerating function according to claim 2, wherein:

the cooling assembly (8) is detachably connected to the through hole (22), the cooling assembly (8) comprises a fan (81), a radiating block (82), a semiconductor refrigerating sheet (83) and a support (84), the fan (81), the radiating block (82) and the semiconductor refrigerating sheet (83) are sequentially stacked and then mounted in the support (84), a clamping strip (103) is arranged on the support (84), and the support (84) is connected to the through hole (22) in a clamping mode.

4. The rice cooker with a refrigerating function according to claim 2, wherein:

the first heat dissipation assembly (10) is detachably connected to the through hole (22), the first heat dissipation assembly (10) comprises a first fan (102) and a first frame (101), the first fan (102) is arranged on the first frame (101), and the first frame (101) is in buckling connection with the through hole (22).

5. The rice cooker with a refrigerating function according to claim 1, wherein:

the shell (2) is provided with a chute (23), the chute (23) is arranged on one side of the through hole (22), the first heat dissipation component (10) and the cooling component (8) are both in sliding connection with the chute (23), and the first heat dissipation component (10) and the cooling component (8) can be respectively in butt joint with the through hole (22).

6. The rice cooker with a refrigerating function according to any one of claims 1 to 5, wherein:

the device further comprises a timing assembly (1), wherein the timing assembly (1) is arranged on the top of the shell (2).

7. The rice cooker with a refrigerating function according to claim 6, wherein:

the air flow channel (24) is arranged around the pot liner (4).

8. The rice cooker with a refrigerating function according to claim 7, wherein:

still include louvre (25), louvre (25) set up on the bottom surface of shell (2), louvre (25) are including air guide cover (252) and air vent (251), air guide cover (252) set up the bottom of shell (2), air vent (251) run through air guide cover (252), the orientation of air vent (251) the bottom surface of shell (2) is parallel.

9. The rice cooker with a refrigerating function according to claim 1, wherein:

the heating device further comprises a heating plate (5), and the heating plate (5) is arranged at the bottom of the heating cavity (3).

10. A method of preserving food comprising the steps of:

s1, preparing food materials: putting food materials into the pot liner (4), putting the pot liner (4) into the heating cavity (3), and closing the pot cover (7) to enable the food materials to be in a sealed space;

s2, heating: starting a heating cavity (3) to heat the food materials in the pot liner (4) until the food materials are cooked;

s3, cooling: cold air is input into an air flow channel (24) surrounding the pot liner (4) through a first heat radiating component (10) on one side wall of the shell (2), and heat of the pot liner (4) is discharged through an air vent (21) on the other side of the shell (2) until the temperature of the pot liner (4) is reduced to room temperature;

s4, preserving at low temperature: and switching to a cooling assembly (8) to input cold air into the pot liner (4) so that the pot liner (4) is under the protection of low temperature, and the food materials are refrigerated.