Smart fryer and frying method using same

Abstract

This smart fryer comprises: a case having an upper portion that can be opened / closed and having installed therein an oil tank; a basket which has a mesh structure and is detachably fastened to the inside of the oil tank, has a bottom portion of a square-plate shape, a pair of side portions extending upward from the left and right sides of the bottom portion, and a cover portion connecting the upper ends of the side portions to each other and being capable of being opened / closed in a hinged manner; a driver which is provided inside the case and vertically moves the basket such that the basket can be immersed in the oil tank and can be lifted above the oil surface in the oil tank from the inside of the oil tank so as to expose an object being cooked in the basket to air; and a controller which controls the driver so as to repeatedly move the basket in the vertical direction to the upper and lower portions with respect to the oil surface of the oil tank, and repeatedly carries out an immersion process with respect to the object being cooked in the basket and an exposure process for exposing the object being cooked to the air.

Description

Smart fryer and frying method using the same

[0001] Embodiments of the present invention relate to a smart fryer and a frying method using the same. More specifically, embodiments of the present invention relate to a smart fryer capable of frying a food item according to a certain recipe and a frying method capable of frying a food item using the smart fryer.

[0002] Generally, deep fryers are devices used to cook food by heating oil, and in recent years, the demand for such devices has been increasing due to the trend of household diets shifting toward Western styles.

[0003] Conventional frying devices had the problem of causing inconvenience because the cook had to use tongs to repeatedly remove multiple cooked foods from the oil tank.

[0004] However, not only was there the inconvenience of the cook having to manually hold the basket and remove the cooked ingredients from the oil tank, but there was also a high risk of burns.

[0005] As a prior art document for solving the aforementioned problem, the ‘fryer’ of Published Patent Application No. 10-2013-0059720 (published on June 7, 2013) comprises: an oil tank installed in a main body for holding oil; a basket for holding cooked food; a lifting device for raising and lowering the basket from the oil tank; and a lifting plate that moves up and down together with the lifting device and on which the basket rests, wherein the fryer is configured to include a guide roller device installed between the oil tank and the lifting plate on at least one of the oil tank and the lifting plate to guide the movement of the lifting plate.

[0006] The aforementioned prior art merely raises a cooked food on a lifting device after cooking is complete to prevent cooking by oil, but lacks a function to ensure other cooked foods are properly cooked, so users do not experience practical convenience in use.

[0007] Conventional frying methods involved the inconvenience of having to manually flip or stir the food. This reduced the consistency of cooking quality, increased worker fatigue, and posed safety risks due to continuous exposure to high-temperature oil. Furthermore, it was difficult to achieve both uniform cooking and a crispy texture simultaneously. Therefore, there was a need for the development of a new smart fryer capable of resolving these issues.

[0008] To solve the above-mentioned problems, embodiments of the present invention provide a smart fryer capable of cooking food uniformly through the automatic lifting of a basket, ensuring the safety of the operator, and achieving a crispy texture while maintaining consistency in cooking quality.

[0009] Embodiments of the present invention provide a frying method that can uniformly cook food through the automatic lifting of a basket, ensure worker safety, and achieve a crispy texture while maintaining consistency in cooking quality.

[0010] A smart fryer according to embodiments of the present invention comprises: a case having an upper portion that can be opened and closed and in which an oil tank is installed; a bottom portion in the shape of a square plate that is detachably connected to the inside of the oil tank; a pair of side portions extending upward from the left and right sides of the bottom portion; a cover portion that can be opened and closed by a hinge and has a mesh structure; a driving unit provided inside the case and configured to raise the basket along a vertical direction to immerse the basket in the oil tank and raise the basket from the inside of the oil tank to the upper surface of the oil tank to expose the food to be cooked inside the basket to the air; and a control unit that controls the driving unit to repeatedly perform an immersion process and an exposure process to expose the food to be cooked stored inside the basket to the air by repeatedly raising and lowering the basket based on the surface of the oil tank.

[0011] In one embodiment of the present invention, the basket may be made of stainless steel, have a wire with a diameter in the range of 0.8 to 1 mm, and have an opening ratio in the range of 60 to 70%.

[0012] In one embodiment of the present invention, the driving unit may include a cylinder pump fixed to the inner wall of the case, a rod extending along a vertical direction receiving driving force from the cylinder pump, and a bracket connecting the tip of the rod to the basket.

[0013] Here, the control unit may include a temperature sensor for detecting the oil temperature of the oil tank, a user interface mounted on the case and configured to input user commands, a timer for measuring the operating time of the drive unit, and a controller for controlling the pressure and operating direction of the cylinder pump.

[0014] In one embodiment of the present invention, the control unit can control the driving unit so that the basket is positioned at each of the following positions: a standby position where the bottom part is located at the same height as the top part of the oil tank; an exposure position where the bottom part is located at a height higher than the oil surface of the oil tank so that the food to be cooked is exposed to air; and an immersion position where the cover part is located below the oil surface of the oil tank so that the food to be cooked is immersed into the oil tank.

[0015] In one embodiment of the present invention, the case may include a cover portion that is folded horizontally in a two-stage folding manner and protrudes from the front.

[0016] In one embodiment of the present invention, a purification unit for purifying the discharged oil discharged from the oil tank may be additionally provided.

[0017] Here, the purification unit may include a purification filter for removing by-products from the discharged oil, a purification tank for storing purified oil purified from the purification filter, and a flow path for replenishing purified oil from the purification tank to the oil tank.

[0018] Here, a supplementary oil tank may be additionally provided, which is positioned on one side of the purification tank and stores supplementary oil to replenish oil in the oil tank.

[0019] A frying method using a smart fryer according to embodiments of the present invention, comprising: a case having an upper portion openable and closable and having an oil tank installed inside; a bottom portion in the shape of a square plate detachably fastened inside the oil tank; a pair of side portions extending upward from the left and right sides of the bottom portion; a cover portion connected to the upper portion of the side portions and having a mesh structure and openable and closable by a hinge; and a driving unit provided inside the case and configured to move the basket up and down along a vertical direction to immerse the basket into the oil tank or to raise the basket from the inside of the oil tank to the upper surface of the oil tank to expose the food to be cooked inside the basket to the air, wherein the method comprises: a) lowering the basket with the cover portion closed into the oil tank to immerse the basket while the food to be cooked is introduced through an open cover portion or a front portion; b) after a certain period of time, raising the basket to partially expose the food to be cooked to the air; c) repeatedly performing steps a) and b); and d) raising the basket to a standby position. It can be raised.

[0020] According to the smart fryer and frying method using the same according to embodiments of the present invention, by including a driving unit configured to raise and lower along a vertical direction to immerse a basket inside the oil tank or to raise the basket from inside the oil tank to the upper surface of the oil tank to expose the food to be cooked inside the basket to the air, uniform cooking and a crispy texture of the food to be cooked can be achieved simultaneously.

[0021] Furthermore, worker safety can be improved, and consistency in the quality of cooked products can be ensured.

[0022] FIG. 1 is a perspective view illustrating the exterior of a smart fryer according to embodiments of the present invention.

[0023] FIG. 2 is a perspective view showing the cover portion illustrated in FIG. 1 in an open state.

[0024] FIG. 3 is a perspective view showing the basket shown in FIG. 2 raised to a standby position.

[0025] FIG. 4 is a right side view illustrating the state in which the basket of FIG. 2 is raised to a standby position.

[0026] Fig. 5 is a front view showing the basket of Fig. 2 raised to a standby position and the door opened.

[0027] FIGS. 6a to 6c are right-side views illustrating the standby position, immersion position, and exposure position of the basket.

[0028] Figure 7 is a block diagram illustrating the configuration of the control unit.

[0029] FIG. 8 is a flowchart illustrating a frying method using a smart fryer according to embodiments of the present invention.

[0030] Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings. Since the present invention is susceptible to various modifications and may take various forms, specific embodiments are illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific disclosed forms, and it should be understood that the invention includes all modifications, equivalents, and substitutions that fall within the spirit and scope of the invention. Similar reference numerals have been used for similar components in the description of each drawing. In the attached drawings, the dimensions of the structures are shown enlarged compared to the actual dimensions for the clarity of the present invention.

[0031] Terms such as "first," "second," etc., may be used to describe various components, but said components should not be limited by said terms. These terms are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be named the second component, and similarly, the second component may be named the first component.

[0032] The terms used in this application are used merely to describe specific embodiments and are not intended to limit the invention. The singular expression includes the plural expression unless the context clearly indicates otherwise. In this application, terms such as "comprising" or "having" are intended to specify the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0033] Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant technology, and should not be interpreted in an ideal or overly formal sense unless explicitly defined in this application.

[0034] FIG. 1 is a perspective view illustrating the exterior of a smart fryer according to embodiments of the present invention. FIG. 2 is a perspective view illustrating the state in which the lid portion shown in FIG. 1 is opened. FIG. 3 is a perspective view illustrating the state in which the basket shown in FIG. 2 is raised to a standby position. FIG. 4 is a right side view illustrating the state in which the basket of FIG. 2 is raised to a standby position. FIG. 5 is a front view illustrating the state in which the basket of FIG. 2 is raised to a standby position and the door is opened.

[0035] Referring to FIGS. 1 to 5, a smart fryer (100) according to embodiments of the present invention includes a case (110), a basket (130), a driving unit (160), and a control unit (150).

[0036] The case (110) has an openable top and an oil tank (115) installed inside. The oil tank (115) provides a storage space for storing oil.

[0037] The upper part of the above case (110) can be covered with a cover part (117, 119) when the fryer is not in use or is in operation. When the upper part of the above case (110) is opened, the cook can put the food to be cooked into the fryer or take out the cooked food.

[0038] The above case (110) may include rollers and anchors on the bottom so that the operator can easily move and fix the smart fryer (100) to a desired location.

[0039] The above case (110) may, for example, have an overall rectangular column shape. A user interface (152) is installed on the front of the above case (110) so that an operator can manually input the desired frying temperature, time, recipe, etc.

[0040] Meanwhile, a door opening / closing part (111) is installed on the front part (110a) of the case (110), and an emergency stop button (159) may be provided in case of emergency.

[0041] The basket (130) is detachably attached to the inside of the oil tank (115). The basket (130) can be attached to the drive unit (160) using a hook. For example, the basket (130) can be attached to the drive unit (160) using a bracket having a hook shape.

[0042] The basket (130) has a mesh structure. For example, the basket (130) may have a mesh structure in which a plurality of wires are arranged in a mutual matrix form.

[0043] At this time, the basket (130) may have a stainless steel material and a wire having a diameter in the range of 0.8 to 1 mm. The basket may have an opening ratio in the range of 60 to 70%. By doing so, the basket can improve durability and oil drainage.

[0044] Fig. 6a is a right-side view illustrating the waiting position of the basket.

[0045] Referring to FIG. 3 and FIG. 6a, the basket (130) includes a bottom portion (131), a side portion (132), and a cover portion (133). At this time, the front and rear of the basket (130) are open. This allows a worker to easily introduce food to be cooked into the basket (130) or easily remove cooked food from the basket (130).

[0046] The bottom portion (131) has a square plate shape. The bottom portion (131) has a mesh structure. Thus, excess oil can fall from the food being cooked through the bottom portion (131) and be easily removed.

[0047] The above side portion (132) extends upward from the left and right sides of the bottom portion (131). The above side portion (132) is provided on the left and right sides of the bottom portion (131), respectively.

[0048] The above side (132) may also have a mesh structure.

[0049] The cover portion (133) is connected to the upper portion of the side portion (132). The cover portion (133) can prevent the food to be cooked introduced into the oil tank (115) from rising toward the oil surface while being fried. Therefore, heat can be transferred evenly to the surface of the food to be cooked introduced into the basket (130).

[0050] Meanwhile, the cover portion (133) can be opened and closed in a hinge manner. The cover portion (133) can be opened and closed in a hinge manner by rotating around a rotation axis (not shown) that interconnects the rear upper ends of each of the pair of side portions (132).

[0051] The cover portion (133) may be provided with a handle portion (135) so that a worker can easily open and close the cover portion (133) by gripping it with their hand. The handle portion (13) may have a 'C' shape.

[0052] The drive unit (160) is positioned inside the case (110). The drive unit (160) is configured to raise and lower the basket (110) along a vertical direction. The drive unit (160) provides vertical driving force to the basket (110). For example, the drive unit (160) includes a cylinder, a ball screw, or a stepper motor that generates linear driving force.

[0053] Thus, the driving unit (160) can raise the basket (130) along a vertical direction to immerse the basket (130) into the oil tank (115) or to raise the basket (130) from the inside of the oil tank (115) to the upper surface of the oil tank to expose the food to be cooked inside the basket (130) to the air. Consequently, the driving unit (160) can implement an immersion process in which the food to be cooked is immersed into the oil tank (115) as the basket (130) is raised, and an exposure process in which the food to be cooked is withdrawn upward from the oil tank (115) to expose the food to the air.

[0054] In one embodiment of the present invention, the driving unit (160) may include a cylinder pump (161), a rod (163), and a bracket (165).

[0055] The cylinder pump (161) is fixed to the inner wall of the case (110). The cylinder pump (161) may use, for example, hydraulic pressure using oil or pneumatic pressure using air. By using the pressure of a fluid such as oil or air, the rod (163) can be extended or retracted.

[0056] The rod (163) can be extended along the vertical direction by receiving driving force from the cylinder pump (161). The rod (163) can have a stroke of 400 to 600 mm.

[0057] The bracket (165) connects the tip of the rod (163) to the basket (130). This allows the basket (130) to move up and down along the vertical direction according to the extension / contraction of the rod (163).

[0058] FIGS. 6a to 6c are right-side views illustrating the standby position, immersion position, and exposure position of the basket.

[0059] Referring to FIG. 6a, the case where the bottom of the basket (130) is at the same height as the top of the oil tank (115) is defined as the standby position. At this time, the food to be cooked can be drawn into the basket (130), and furthermore, any excess oil attached to the food can fall through the bottom. Additionally, the food to be cooked can be drawn out of the basket (130).

[0060] Referring to FIG. 6b, the drive unit can lower the basket from the standby position to the immersion position. At this time, the oil supplied into the oil tank may be preheated to a constant temperature, for example, 180 degrees Celsius. Accordingly, the food to be cooked located inside the basket can be fried.

[0061] Referring to FIG. 6c, the driving unit raises the basket from the immersion position so that the bottom of the basket (130) is positioned at a height higher than the oil level of the oil tank, thereby positioning the food to be cooked at an exposure position where it is exposed to air. In this way, an exposure process in which the food to be cooked is partially exposed to air can be performed. Through this exposure process, moisture remaining in the food to be cooked can easily evaporate.

[0062] By repeating the immersion process performed at the immersion position and the exposure process performed at the exposure position multiple times, the inversion process in which an operator inverts the food to be cooked can be omitted. Furthermore, the food to be cooked can be cooked uniformly throughout, while simultaneously having a crispy texture.

[0063] That is, by repeating the lifting and lowering motion through an immersion process and ensuring that all sides of the food are cooked uniformly, the food can have a crispy texture through an exposure process in which it is periodically exposed to air.

[0064] In particular, if the lifting and lowering movements are performed automatically according to a programmed cycle, fried dishes of consistent quality can be produced.

[0065] Figure 7 is a block diagram illustrating the configuration of the control unit.

[0066] Referring again to FIGS. 1 and FIGS. 7, the control unit (150) controls the driving unit (160). The driving unit (160) can repeatedly raise and lower the basket (130) with respect to the oil level of the oil tank to repeatedly perform an immersion process and an exposure process to the air for the food to be cooked stored inside the basket (130).

[0067] Referring to FIGS. 1 and FIGS. 7, the control unit (150) may include a temperature sensor (151), a user interface (152), a timer (153), and a controller (155).

[0068] A temperature sensor (151) can detect the oil temperature of the oil tank. The detected temperature data can be provided to a controller (155). In this way, the oil in the oil tank can be controlled to a constant temperature or a desired temperature.

[0069] A user interface (152) is mounted on the front of the case (110). The user interface (152) is provided to allow the input of user commands. The commands input by the user may include the oil temperature, cooking time, basket position, detailed recipes for immersion and exposure processes, etc.

[0070] The timer (152) measures the driving time of the driving unit (160). The controller (155) can control the pressure of the cylinder pump (161, see FIG. 6a). Additionally, the controller (155) can control the direction of operation of the cylinder pump (161).

[0071] Meanwhile, the control unit (150) may further include a wireless communication unit (not shown). The wireless communication unit is connected to the operator's smart device so that the operator can issue work commands to the smart fryer through the smart device.

[0072] Referring again to FIG. 5, the case (110) may include a cover portion (117, 119) that is folded horizontally in a two-stage folding manner and protrudes from the front.

[0073] When the above cover portions (117, 119) are folded in two stages, they can be used as a shelf to temporarily support the workpiece. In order to fold the above cover portions (117, 119) in two stages, the above cover portions (117, 119) can be interconnected by a hinge (118a).

[0074] In one embodiment of the present invention, a purification unit (170) for purifying the discharged oil discharged from the oil tank may be additionally provided. That is, by separately providing a purification unit (170) for purifying the discharged oil, pollution and waste of oil can be suppressed.

[0075] Here, the purification unit (170) may include a purification filter (171), a purification tank (173), and a flow path (175, see FIG. 1).

[0076] A purification filter (171) is positioned on the lower inner side of the case (110). The purification filter (171) removes by-products from the discharge oil discharged from the oil tank (115). The purification filter (171) may be made of, for example, paper material.

[0077] The purification tank (173) can temporarily store the oil purified from the purification filter (171).

[0078] The oil pipe (175) can replenish refined oil from the refinement tank (173) to the oil tank (115, see FIG. 1). To do this, the oil pipe (175) may additionally be equipped with a pump.

[0079] Here, a replenishment oil tank (180) may be additionally disposed inside the case (110) and on one side of the purification tank (175). Oil can be replenished in the replenishment oil tank (180) to the purification tank or oil tank.

[0080] According to the smart fryer according to the embodiments of the present invention, by including a driving unit configured to immerse a basket in the oil tank or to raise the basket from the inside of the oil tank to the upper surface of the oil tank to expose the food to be cooked inside the basket to the air, uniform cooking and a crispy texture of the food to be cooked can be achieved simultaneously.

[0081] FIG. 8 is a flowchart illustrating a frying method using a smart fryer according to embodiments of the present invention.

[0082] Referring to FIGS. 1 to 5 and FIG. 8, the frying method according to embodiments of the present invention utilizes the smart device described above with reference to FIGS. 1 to 7.

[0083] That is, the smart device comprises a case in which the top can be opened and closed and an oil tank is installed inside, a bottom portion in the shape of a square plate that is detachably fastened inside the oil tank, a pair of side portions extending upward from the left and right sides of the bottom portion, a cover portion connected to the upper portion of the side portions and having a mesh structure, and a drive unit provided between the case and the basket and configured to move up and down along a vertical direction to immerse the basket into the oil tank or to raise the basket from inside the oil tank to the upper surface of the oil tank so as to expose the contents inside the basket to the air.

[0084] In the above frying method, an immersion process is performed in which a basket with a closed cover is lowered into the oil tank with the food to be cooked introduced through the front part, and the basket is immersed (S110). Through the immersion process, the food to be cooked can be fried. At this time, the upper cover of the basket can fix the food to be cooked below the oil surface to promote uniform heat transfer.

[0085] Afterward, after a certain period of time, an exposure process is performed in which the basket is raised to partially expose the food to be cooked to the air (S120). Through the exposure process, moisture can be removed from the food to be cooked.

[0086] Next, the immersion process (step S110) and the exposure process (step S120) are repeated (S130). This allows not only to omit the inversion process of flipping the food to be cooked, but also to simultaneously achieve uniform cooking of the food to be cooked.

[0087] Afterward, the basket is raised to a standby position (S140). The standby position is defined as the case where the bottom of the basket is at the same height as the top of the oil tank. At this time, excess oil adhering to the food being cooked may fall through the bottom.

[0088] In addition, the above-mentioned food can be withdrawn outside the basket.

[0089] According to the frying method according to the embodiments of the present invention, by repeatedly performing the immersion process and the exposure process through the lifting and lowering movement of a programmed basket, a food product can be obtained in which all sides of the food product are cooked uniformly and the food product has a crispy texture due to periodic exposure to air.

[0090] Furthermore, since the cooking process is completed solely by the lifting and lowering motion of the basket, eliminating the need for additional mechanical devices or worker intervention, energy efficiency and safety can be improved.

[0091] Although this specification contains details of a number of specific embodiments, they should not be understood as limiting the scope of any invention or claimables, but rather as descriptions of features that may be specific to a particular embodiment of the invention. In the context of individual embodiments, specific features described in this specification may be implemented in combination in a single embodiment. Conversely, various features described in the context of a single embodiment may also be implemented in multiple embodiments, either individually or in any appropriate sub-combination. Furthermore, while features may operate in a specific combination and be described as initially configured as such, one or more features from the configured combination may be excluded from the combination in some cases, and the configured combination may be changed to a sub-combination or a variation of the sub-combination.

[0092] Meanwhile, the embodiments of the present invention disclosed in this specification and drawings are merely specific examples provided to aid understanding and are not intended to limit the scope of the present invention. It is obvious to those skilled in the art that other variations based on the technical concept of the present invention are possible in addition to the embodiments disclosed herein.

Claims

1. A case with an openable top and an oil tank installed inside; A basket having a mesh structure, which is detachably fastened inside the above oil tank and has a square plate-shaped bottom portion, a pair of side portions extending upward from the left and right sides of the bottom portion, and a cover portion that is hinge-openable and closable by connecting the upper portions of the side portions; A driving unit provided inside the above case and configured to raise and lower the basket along a vertical direction to immerse the basket inside the oil tank and raise the basket from inside the oil tank to the upper surface of the oil tank to expose the food to be cooked inside the basket to the air; and A control unit that controls the drive unit so that the basket is repeatedly raised and lowered relative to the oil level of the oil tank, thereby repeatedly performing an immersion process for the object to be cooked stored inside the basket and an exposure process for exposing the object to the air; A smart deep fryer including 2. The smart fryer according to claim 1, characterized in that the basket is made of stainless steel, has a wire with a diameter in the range of 0.8 to 1 mm, and has an opening ratio in the range of 60 to 70%.

3. In paragraph 1, the driving unit is, A cylinder pump fixed to the inner wall of the above case; A rod extending along the vertical direction, receiving driving force from the above cylinder pump; and A bracket connecting the tip of the above rod to the above basket; A smart fryer characterized by including 4. In paragraph 3, the control unit is, A temperature sensor for detecting the oil temperature of the above oil tank; A user interface mounted on the above case and configured to input user commands; A timer for measuring the driving time of the above-mentioned driving unit; and A smart fryer characterized by including a controller that controls the pressure and direction of operation of the cylinder pump.

5. A smart fryer according to claim 1, wherein the control unit controls the driving unit so that the basket is positioned at each of the following positions: a standby position where the bottom part is located at the same height as the top part of the oil tank; an exposure position where the bottom part is located at a height higher than the oil surface of the oil tank so that the food to be cooked is exposed to air; and an immersion position where the cover part is located below the oil surface of the oil tank so that the food to be cooked is immersed into the oil tank.

6. The smart fryer according to claim 1, wherein the case is characterized by including a cover portion that is folded horizontally in a two-stage folding manner and protrudes from the front.

7. A smart fryer according to claim 1, further comprising a purification unit for purifying the discharged oil discharged from the oil tank.

8. In paragraph 7, the above-mentioned purification unit, A purification filter for removing by-products from the above discharge oil; A purification tank for storing oil purified from the above purification filter; and A smart fryer characterized by including a flow path for replenishing refined oil from the above-mentioned purification tank to the above-mentioned oil tank.

9. A smart fryer according to claim 8, further comprising a replenishment oil tank disposed on one side of the purification tank and storing replenishment oil to replenish oil in the oil tank.

10. A frying method using a smart fryer comprising: a case having an upper portion that can be opened and closed and in which an oil tank is installed; a bottom portion having a square plate shape that is detachably fastened to the inside of the oil tank; a pair of side portions extending upward from the left and right sides of the bottom portion; a cover portion connected to the upper portion of the side portions and having a mesh structure that can be opened and closed by a hinge; and a driving unit provided inside the case and configured to move the basket up and down along a vertical direction to immerse the basket into the oil tank or to raise the basket from the inside of the oil tank to the upper surface of the oil tank to expose the food to be cooked inside the basket to the air. a) A step of lowering a basket with a closed cover into an oil tank while the food to be cooked is introduced through an open cover or front, thereby immersing the basket; b) After a certain period of time has elapsed, a step of raising the basket to partially expose the food to be cooked to the air; c) a step of repeatedly performing the above steps a) and b); and d) a step of raising the basket to a standby position; A frying method using a smart fryer including

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