CN212972036U - Intelligent lunch box with refrigeration is fresh-keeping and function of cooking - Google Patents

Intelligent lunch box with refrigeration is fresh-keeping and function of cooking Download PDF

Info

Publication number
CN212972036U
CN212972036U CN202021813580.3U CN202021813580U CN212972036U CN 212972036 U CN212972036 U CN 212972036U CN 202021813580 U CN202021813580 U CN 202021813580U CN 212972036 U CN212972036 U CN 212972036U
Authority
CN
China
Prior art keywords
assembly
refrigerating
heating
refrigeration
fresh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021813580.3U
Other languages
Chinese (zh)
Inventor
骆发堂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Core Technology Co ltd
Original Assignee
Zhuhai Core Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Core Technology Co ltd filed Critical Zhuhai Core Technology Co ltd
Priority to CN202021813580.3U priority Critical patent/CN212972036U/en
Application granted granted Critical
Publication of CN212972036U publication Critical patent/CN212972036U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cookers (AREA)

Abstract

The utility model discloses an intelligence lunch-box with refrigeration is fresh-keeping and function of cooking, include: casing subassembly, lid subassembly, refrigeration subassembly and heating element. The utility model discloses a make the refrigeration subassembly refrigerate the internal environment of casing subassembly to make the inside temperature of casing subassembly reduce, and then realize the refrigeration to food, the save of the food of being convenient for, the effectual reproduction that has restrained the bacterium has protected user's health. The heating assembly can heat and evaporate water, so that steam is generated in the shell assembly, high-temperature heating of food is realized, and the food is convenient for people to eat; meanwhile, the high temperature also has the sterilization effect, thereby effectively protecting the health of the user. The embodiment of the utility model provides an intelligence lunch-box utensil prepares refrigeration and two kinds of functions of heating, is favorable to the save and the edible of food, the effectual user's of having protected health.

Description

Intelligent lunch box with refrigeration is fresh-keeping and function of cooking
Technical Field
The utility model relates to an everyday object the field, concretely relates to intelligent lunch-box with refrigeration is fresh-keeping and function of cooking.
Background
The existing lunch box generally has a heat preservation function, the heat preservation time of food at 30-40 ℃ is long, and mass propagation of bacterial microorganisms can be easily caused at the temperature, so that the food is deteriorated, a user is very easy to infect gastrointestinal infectious diseases, enterogastritis is caused, even food poisoning is caused, and the health of the user is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an intelligence lunch-box with refrigeration is fresh-keeping and function of cooking can refrigerate and heat food, the save and the edible of the food of being convenient for, the effectual health of protecting the user.
According to the utility model discloses an intelligent lunch-box with refrigeration is fresh-keeping and function of cooking, include: the food refrigeration device comprises a shell assembly used for placing food, a cover body assembly, a refrigeration assembly used for refrigerating the internal environment of the shell assembly, and a heating assembly used for generating steam in the shell assembly; the cover body assembly is connected with the shell assembly and the refrigerating assembly respectively, and the heating assembly is connected with the shell assembly.
According to the utility model discloses intelligence lunch-box with refrigeration is fresh-keeping and function of cooking has following beneficial effect at least: refrigerate the internal environment of casing subassembly through making the refrigeration subassembly to make the inside temperature of casing subassembly reduce, and then realize the refrigeration to food, the save of the food of being convenient for, the effectual reproduction that has restrained the bacterium has protected user's health. The heating assembly can heat and evaporate water, so that steam is generated in the shell assembly, high-temperature heating of food is realized, and the food is convenient for people to eat; meanwhile, the high temperature also has the sterilization effect, thereby effectively protecting the health of the user. The embodiment of the utility model provides an intelligence lunch-box utensil prepares refrigeration and two kinds of functions of heating, is favorable to the save and the edible of food, the effectual user's of having protected health.
According to some embodiments of the invention, the refrigeration assembly comprises: the semiconductor refrigerating sheet is provided with a refrigerating end and a heating end; the refrigeration end is close to the inside of casing subassembly, the heating end is kept away from the inside of casing subassembly.
According to some embodiments of the invention, the refrigeration assembly further comprises: and the refrigerating plate is connected with the refrigerating end.
According to some embodiments of the invention, the cover assembly comprises: a cover and a barrier plate; the refrigerating end is arranged on one side of the barrier plate, and the heating end is arranged on the other side of the barrier plate; the blocking plate is respectively connected with the cover body and the semiconductor refrigerating sheet in a sealing mode.
According to the utility model discloses a some embodiments, be provided with the louvre on the lid, the heating end sets up louvre department.
According to some embodiments of the invention, the refrigeration assembly further comprises: the radiator is connected with the heating end; the radiator is arranged at the radiating hole.
According to some embodiments of the invention, the housing assembly comprises: the food box comprises an outer shell, an inner shell connected with the outer shell, and an inner box for placing food; the inner shell is provided with a through hole, and the heating assembly is connected with the through hole to form a water storage level; the inner box is arranged above the inner shell and can be detachably connected with the inner shell.
According to some embodiments of the invention, the heating assembly comprises a heat generating sheet.
According to some embodiments of the invention, the system further comprises a controller and a display; the controller is respectively connected with the display, the refrigeration assembly and the heating assembly.
According to some embodiments of the present invention, the cooling device further comprises a first battery connected to the cooling assembly, and a second battery connected to the heating assembly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an exploded view of a smart lunch box according to an embodiment of the invention;
fig. 2 is a cross-sectional view of an intelligent lunch box according to an embodiment of the invention;
fig. 3 is a combination view of an inner shell and a heating assembly according to an embodiment of the present invention.
Reference numerals:
the refrigerator comprises a shell assembly 100, an outer shell 110, an inner shell 120, a through hole 121, an inner box 130, a cover assembly 200, a cover 210, a heat dissipation hole 211, a barrier plate 220, a refrigeration assembly 300, a semiconductor refrigeration sheet 310, a refrigeration end 311, a heating end 312, a refrigeration plate 320, a radiator 330, a heating assembly 400 and a water storage position 410.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.
In the description of the present invention, if there are first, second, third, fourth, fifth, etc. described, it is only for the purpose of distinguishing technical features, and it is not understood that relative importance is indicated or implied or that the number of indicated technical features is implicitly indicated or that the precedence of the indicated technical features is implicitly indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
As shown in fig. 1 and fig. 2, according to the utility model discloses an intelligent lunch-box with refrigeration is fresh-keeping and function of cooking, include: a case assembly 100 for placing food, a cover assembly 200, a refrigerating assembly 300 for refrigerating an internal environment of the case assembly 100, and a heating assembly 400 for generating steam inside the case assembly 100; the cover assembly 200 is connected to the housing assembly 100 and the cooling assembly 300, respectively, and the heating assembly 400 is connected to the housing assembly 100.
For example, as shown in fig. 1 and 2, when the cover assembly 200 is connected to the housing assembly 100, the cover assembly 200 and the housing assembly 100 are in a closed and sealed state. Because refrigeration subassembly 300 has cryogenic function for refrigeration subassembly 300 can refrigerate the internal environment of casing subassembly 100, thereby makes the inside temperature of casing subassembly 100 reduce, and then realizes the refrigeration to food, and the effectual reproduction that has restrained the bacterium is convenient for the save of food. And heating element 400 can heat the evaporation to water to steam is produced in the inside of casing subassembly 100, realizes the high temperature heating to food, makes food be convenient for people's edible, and simultaneously, high temperature also plays disinfection's effect, the bacterium in the effectual reduction food.
Further, under the combined action of the refrigerating assembly 300 and the heating assembly 400, the intelligent lunch box has two functions of refrigerating and heating, and is beneficial to food preservation and eating, so that the health of a user is effectively protected, and the use experience of the user is improved. Moreover, the refrigerating assembly 300 and the heating assembly 400 are respectively arranged on the cover assembly 200 and the shell assembly 100, so that the distance between the refrigerating assembly 300 and the heating assembly 400 is increased, the mutual influence of the temperature between the refrigerating assembly 300 and the heating assembly 400 is reduced, and the refrigerating efficiency of the refrigerating assembly 300 and the heating efficiency of the heating assembly 400 are effectively improved.
In some embodiments of the present invention, the refrigeration assembly 300 includes: a semiconductor chilling plate 310 provided with a chilling end 311 and a heating end 312.
For example, as shown in fig. 1, the semiconductor cooling plate 310 is also called a thermoelectric cooling plate, and is a heat pump, which utilizes the peltier effect of semiconductor materials, and when direct current passes through a couple formed by two different semiconductor materials connected in series, the two ends of the couple can respectively absorb heat and release heat, so as to achieve the purpose of cooling, and have high reliability.
By making the refrigerating end 311 close to the inside of the casing assembly 100, the distance between the refrigerating end 311 and the casing assembly 100 can be shortened, and the refrigerating efficiency of the refrigerating end 311 to the inside of the casing assembly 100 can be improved; meanwhile, the heating end 312 is far away from the inside of the housing assembly 100, which can increase the distance between the heating end 312 and the housing assembly 100 and reduce the influence of the heat of the heating end 312 on the inside of the housing assembly 100.
In some embodiments of the present invention, the refrigeration assembly 300 further comprises: a cold plate 320 connected to the cold end 311.
For example, as shown in fig. 1, the refrigeration plate 320 can effectively increase the surface area of the refrigeration end 311, thereby increasing the refrigeration area, increasing the refrigeration speed of the internal environment of the housing assembly 100, further effectively inhibiting the propagation of bacteria, and facilitating the preservation of food.
In some embodiments of the present invention, the cover assembly 200 includes: a cover 210 and a barrier plate 220.
For example, as shown in fig. 1 and fig. 2, the blocking plate 220 is respectively connected to the cover 210 and the semiconductor refrigeration sheet 310 in a sealing manner, the refrigeration end 311 is disposed on one side of the blocking plate 220, and the heating end 312 is disposed on the other side of the blocking plate 220, so that the blocking plate 220 effectively separates the refrigeration end 311 and the heating end 312, and further prevents heat generated by the heating end 312 from being transferred to the inside of the housing assembly 100 when the semiconductor refrigeration sheet 310 operates, thereby reducing the refrigeration speed and efficiency of the refrigeration plate 320 on the inside of the housing assembly 100, that is, the blocking plate 220 can improve the refrigeration effect of the refrigeration end 311 on the inside of the housing assembly 100.
In some embodiments of the present invention, the cover 210 is provided with heat dissipation holes 211, and the heating end 312 is disposed at the heat dissipation holes 211.
For example, as shown in fig. 2, the heat dissipating holes 211 facilitate heat dissipation of the heating end 312, so that heat of the heating end 312 is dissipated from the heat dissipating holes 211 to the external environment, thereby reducing the influence of heat on the cooling of the cooling end 311, i.e. improving the cooling effect of the cooling end 311 on the inside of the housing assembly 100.
In some embodiments of the present invention, the refrigeration assembly 300 further comprises: a heat sink 330 connected to the heating end 312; the heat sink 330 is disposed at the heat dissipation hole 211.
For example, as shown in fig. 2, the heat sink 330 can increase the speed of heat dissipation from the heating end 312, and is helpful for dissipating the heat from the heating end 312 to the external environment through the heat dissipation hole 211, so as to reduce the influence of the heat on the cooling of the cooling end 311, i.e. improve the cooling effect of the cooling end 311 on the inside of the housing assembly 100.
In some embodiments of the present invention, the housing assembly 100 includes: an outer case 110, an inner case 120 coupled to the outer case 110, and an inner case 130 for placing food; the inner case 120 is provided with a through hole 121, and the heating assembly 400 is connected with the through hole 121 to form a water storage level 410; the inner case 130 is disposed above the inner case 120.
For example, as shown in fig. 1 and 2, by adding water to the water storage level 410 and operating the heating unit 400, the heating unit 400 heats the water, the water is boiled to form steam, and the steam heats the food on the inner box 130 at a high temperature.
Interior box 130 can be dismantled with inner shell 120 and be connected to be convenient for the user to take out interior box 130, and wash interior box 130, also be convenient for add water to water storage position 410, improved user's experience and felt.
In some embodiments of the present invention, the heating assembly 400 includes a heat generating sheet.
Specifically, the heating sheet is a sheet-shaped electrical element for converting electric energy into heat energy, water is directly heated by the heating sheet, the efficiency of water heating evaporation can be improved, and the food heating speed is further improved.
In some embodiments of the present invention, the system further comprises a controller and a display; the controller is connected to the display, the cooling module 300 and the heating module 400, respectively.
Specifically, when the user needs to refrigerate the food, the controller transmits a first trigger signal to the refrigeration assembly 300, so that the refrigeration assembly 300 operates according to the first trigger signal, and the food is refrigerated. When the user needs to heat the food, the controller transmits a second trigger signal to the heating assembly 400, so that the heating assembly 400 operates according to the second trigger signal to generate steam to heat the food.
Meanwhile, the display can receive the first trigger signal or the second trigger signal, thereby displaying the working states of the cooling assembly 300 and the heating assembly 400. Further, the controller can also regulate the operation time of the cooling module 300 and the heating module 400, and the display can also display the operation time of the cooling module 300 and the heating module 400.
In addition, cover assembly 200 and housing assembly 100 are rotatably connected to each other, so that cover assembly 200 and housing assembly 100 are communicated with each other, and the controller can be simultaneously connected with refrigerating assembly 300 and heating assembly 400 through wires, thereby improving the regulation efficiency of the controller.
In some embodiments of the present invention, the cooling module further comprises a first battery connected to the cooling module 300, and a second battery connected to the heating module 400.
Specifically, the first battery can supply power to the refrigeration assembly 300, so that the refrigeration assembly 300 can operate normally; the second battery can supply power to the heating assembly 400 so that the heating assembly 400 can operate normally.
Simultaneously, the restriction that intelligence lunch-box breaks away from fixed power is helped in the setting of first battery and second battery, has enlarged the application range of lunch-box, the use of the lunch-box of being convenient for. In addition, the cover assembly 200 and the housing assembly 100 may be connected in a rotatable or snap-fit manner.
Other components and operations of the intelligent lunch box with refrigerating, fresh-keeping and cooking functions according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.
The following describes in detail an intelligent lunch box with refrigerating, fresh-keeping and cooking functions according to an embodiment of the present invention with reference to fig. 1 to 3, and it is understood that the following description is only illustrative and not a specific limitation of the present invention.
As shown in fig. 1 to 3, an intelligent lunch box with refrigerating, fresh-keeping and cooking functions comprises: the refrigerator comprises an outer shell 110, an inner shell 120, an inner box 130, a cover 210, a barrier plate 220, a semiconductor refrigeration sheet 310 provided with a refrigeration end 311 and a heating end 312, a refrigeration plate 320, a radiator 330, a heating sheet, a controller and a display. The cover 210 is provided with a heat dissipation hole 211; the inner case 120 is provided with a through hole 121, and the heating unit 400 is connected to the through hole 121 to form a water storage level 410.
The outer shell 110 is respectively connected with the inner shell 120 and the heating sheet and is rotatably connected with the cover body 210; the inner case 130 is detachably coupled to the inner case 120; the blocking plate 220 is respectively connected with the cover 210 and the semiconductor refrigerating sheet 310 in a sealing manner, and the refrigerating end 311 and the heating end 312 are respectively arranged at two sides of the blocking plate 220; the refrigerating end 311 is connected with the refrigerating plate 320; the heat sink 330 is disposed at the heat dissipation hole 211 and connected to the heating end 312; the controller is connected with the display, the semiconductor cooling plate 310, the radiator 330 and the heating plate respectively.
According to the utility model discloses intelligence lunch-box with refrigeration is fresh-keeping and function of cooking, through so setting up, some effects as following at least can be reached, when the user needs preserve food, convey first trigger signal to semiconductor refrigeration piece 310 through the controller, make semiconductor refrigeration piece 310 function according to first trigger signal, thereby make refrigeration end 311 and refrigeration board 320 refrigerate the internal environment of interior box 130, thereby make the inside temperature reduction of interior box 130, and then realize the refrigeration to the food on interior box 130, the effectual reproduction that has restrained the bacterium, be convenient for the preservation of food. Meanwhile, the heat sink 330 can also receive the first trigger signal and operate according to the first trigger signal to dissipate heat from the heating end 312.
When a user needs to eat food, firstly, a proper amount of water is added into the water storage level 410, and then a second trigger signal is transmitted to the heating sheet through the controller, so that the heating sheet operates according to the second trigger signal, the water in the water storage level 410 is heated and evaporated, and the generated steam heats the food on the inner box 130, so that the food is convenient for people to eat; meanwhile, the high temperature also plays a role in disinfection and sterilization, and effectively reduces bacteria in food.
Under the combined action of the semiconductor refrigerating sheet 310 and the heating sheet, the intelligent lunch box has two functions of refrigerating and heating, and is beneficial to food preservation and eating, so that the health of a user is effectively protected, and the use experience of the user is improved.
In the description herein, references to the description of "one embodiment," "some embodiments," or "the embodiment," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides an intelligence lunch-box with refrigeration is fresh-keeping and function of cooking which characterized in that includes:
a housing assembly for holding food;
the cover body assembly is connected with the shell body assembly;
the refrigerating assembly is used for refrigerating the internal environment of the shell assembly and is connected with the cover body assembly;
a heating assembly for generating steam inside the housing assembly, connected to the housing assembly.
2. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 1, wherein: the refrigeration assembly includes: the semiconductor refrigerating sheet is provided with a refrigerating end and a heating end; the refrigeration end is close to the inside of casing subassembly, the heating end is kept away from the inside of casing subassembly.
3. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 2, wherein: the refrigeration assembly further includes: and the refrigerating plate is connected with the refrigerating end.
4. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 2, wherein: the cover assembly includes: a cover and a barrier plate; the refrigerating end is arranged on one side of the barrier plate, and the heating end is arranged on the other side of the barrier plate; the blocking plate is respectively connected with the cover body and the semiconductor refrigerating sheet in a sealing mode.
5. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 2, wherein: the cover body is provided with heat dissipation holes, and the heating end is arranged at the heat dissipation holes.
6. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 5, wherein: the refrigeration assembly further includes: the radiator is connected with the heating end; the radiator is arranged at the radiating hole.
7. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 1, wherein: the housing assembly includes: the food box comprises an outer shell, an inner shell connected with the outer shell, and an inner box for placing food; the inner shell is provided with a through hole, and the heating assembly is connected with the through hole to form a water storage level; the inner box is arranged above the inner shell and can be detachably connected with the inner shell.
8. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 1, wherein: the heating component comprises a heating sheet.
9. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 1, wherein: the device also comprises a controller and a display; the controller is respectively connected with the display, the refrigeration assembly and the heating assembly.
10. The intelligent lunch box with refrigerating, fresh-keeping and cooking functions as claimed in claim 1, wherein: the refrigerator further comprises a first battery connected with the refrigerating assembly and a second battery connected with the heating assembly.
CN202021813580.3U 2020-08-26 2020-08-26 Intelligent lunch box with refrigeration is fresh-keeping and function of cooking Active CN212972036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021813580.3U CN212972036U (en) 2020-08-26 2020-08-26 Intelligent lunch box with refrigeration is fresh-keeping and function of cooking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021813580.3U CN212972036U (en) 2020-08-26 2020-08-26 Intelligent lunch box with refrigeration is fresh-keeping and function of cooking

Publications (1)

Publication Number Publication Date
CN212972036U true CN212972036U (en) 2021-04-16

Family

ID=75435263

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021813580.3U Active CN212972036U (en) 2020-08-26 2020-08-26 Intelligent lunch box with refrigeration is fresh-keeping and function of cooking

Country Status (1)

Country Link
CN (1) CN212972036U (en)

Similar Documents

Publication Publication Date Title
US6530232B1 (en) Thermoelectric sleeve-type beverage insulator apparatus
CN111661456A (en) Air-cooled cosmetic storage case and control method for air-cooled cosmetic storage case
CN111829276B (en) Cooking device and refrigeration equipment
CN212972036U (en) Intelligent lunch box with refrigeration is fresh-keeping and function of cooking
CN113175785A (en) Liquid cooling circulation cold and hot dual-purpose container
CN201617645U (en) Refrigerating electric rice cooker
KR20110059477A (en) The medical cold/heat machine
JP2000320942A (en) Refrigerator
CN212437662U (en) Refrigerating and heating lunch box
KR101125046B1 (en) Multi function storage for an infant having a heater assembly for a double boiling
CN205624944U (en) Cold and hot box of intelligence
JP2012040342A (en) Heating cabinet
CN203629178U (en) Semiconductor temperature control and storage device
CN210602330U (en) Temperature control box
CN107550239B (en) Refrigeration heat insulation electric cooker
CN210154168U (en) Rice cabinet refrigeration heat preservation system
CN211212619U (en) Electric pressure cooker and cooker body structure thereof
CN114587131A (en) Cooking utensil
CN218075762U (en) Disinfection cabinet
CN214127373U (en) Electric heating lunch box
CN205107280U (en) Electron pot that keeps warm with constant temperature
CN215638120U (en) Cosmetic storage device
CN218791668U (en) Cup capable of refrigerating
CN210980529U (en) Kitchen appliance
WO2023001291A1 (en) Refrigeration apparatus for refrigerated container, and refrigerated container

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant