KR20100125038A - Cooker and cleaning process of the same - Google Patents

Abstract

PURPOSE: A cooking instrument and an operation method thereof are provided to enable a cavity to be cleanly cleaned since a rack support moves to other position than. CONSTITUTION: A cooking instrument comprises an external case(2), a cavity(6), a rack and a rack support(12). The cavity is located in the external case. The cavity comprises a cooking space and an opening. The rack is located in the cooking space. The rack support is movably arranged on the opening. The rack support is protruded to the cooking space and is inserted into the opening.

Description

Cooking apparatus and its operation method {Cooker and Cleaning process of the same}

The present invention relates to a cooking appliance and a method of operating the same, and more particularly, to a cooking appliance in which a rack is installed in a cavity and a method of operating the same.

In general, a cooking apparatus is a cooking apparatus that heats food using a heating source. The heating source is an electric heat heater that generates heat when electricity is applied, a burner that generates fire with fossil fuel, or a metal cooking container with electromagnetic force. An induction heater for heating the cooking vessel to generate heat and a magnetron for generating and outputting microwaves are used.

Such a cooking apparatus includes a cavity having a cooking space, a rack positioned inside the cavity, on which a food is placed, and a cavity is formed in the cavity to support the rack.

As described above, in a cooking apparatus having a cavity, some of the food is buried in the cavity inner wall during cooking of the food, and when the cleaning of the inner wall of the cavity is performed, the food stuck in the groove is not easily cleaned.

The present invention has been made to solve the above-mentioned problems of the prior art, and an object thereof is to provide a cooking apparatus capable of cleaning the cavity more cleanly.

Another object of the present invention is to provide a method of operating a cooking apparatus in which a rack supporter is moved outside the cooking space of the cavity during cavity cleaning to clean the cavity and supported to support the rack after the cavity is cleaned.

Cooking device according to the present invention for solving the above problems, the outer case; A cavity located inside the outer case and having a cooking space therein and having an opening; A rack located in the cooking space; And a rack supporter disposed to move in the opening and protruding into the cooking space or inserted into the opening.

The rack supporter is coated with a phosphate enamel on the inner surface.

And a door disposed in the cavity to cover the rack supporter and the opening.

The door is coated with phosphate-based enamel.

And an elastic member connected to the door to elastically support the door in a direction covering the rack supporter and the through part.

A plurality of the rack supporters and the openings are spaced apart from each other in the front-rear direction in the cavity.

The door is longer than the distance between both ends of the plurality of openings.

The rack supporter moving mechanism is further provided to move the rack supporter.

The rack supporter moving mechanism includes a driving source and a power transmission member for transmitting the driving force of the driving source to the rack supporter.

The rack supporter further includes a rack supporter mode input unit which is input to protrude into the cooking space or to be inserted into the opening.

The apparatus may further include a controller configured to control the driving source when the rack supporter mode input unit is input.

An elastic member installed to elastically support the rack supporter in a protruding direction, a hook formed on the rack supporter, and the rack supporter pressed in the inserting direction to lock the hook, and pressing the rack supporter inserted into the cavity locks the hook. It further includes a one-touch locker to release.

When the rack supporter is inserted into the opening, a cover part covering the gap between the rack supporter and the opening is formed to protrude.

The operation method of the cooking apparatus according to the present invention includes a rack supporter moving mechanism for moving the rack supporter so that the rack supporter for supporting the rack is inserted into an opening formed in the cavity when the rack supporter insertion mode is input through the input unit of the cooking appliance. A rack supporter insertion step of controlling the insertion mode; A cavity cleaning step of cleaning the cavity when the cavity cleaning mode is input after the rack supporter insertion step; And a rack supporter protruding step of controlling the rack supporter moving mechanism to the protruding mode so that the rack supporter protrudes into the cooking space of the cavity when the rack supporter protruding mode is input through the input unit after the cavity cleaning step.

According to the present invention configured as described above, since the rack supporter protrudes into the cooking space to support the rack, and the rack supporter is inserted into the opening of the cavity when the cavity is cleaned, there is no need to form a groove for supporting the rack on the inner wall of the cavity. If the groove is formed in the cavity, there is an advantage that can clean the cavity cleanly.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view of a cooking appliance according to an embodiment of the present invention, and FIG. 2 is a block diagram of a cooking appliance according to an embodiment of the present invention.

The cooking appliance according to the present embodiment includes an outer case 2 forming an outer shape, a cavity 6 provided inside the outer case 2 and forming a cooking space 4, and located in the cooking space 4. A rack (8) to be raised, a heating source (20) for heating food contained in the cavity (6), a control panel (30) provided at one side of the outer case (2) to enable a user's operation, And a main door 40 for opening and closing the cavity 6.

The cavity 6 is a box body with an open front surface, and a phosphate enamel coating is formed on the inner surface thereof. Phosphate-based enamel contains, for example, phosphorus pentoxide (P ₂ O ₅ ). Phosphate-based components including phosphorus pentoxide facilitate the removal of contaminants stuck to the inner surface of the cavity 6 in the course of cooking food by enhancing the corrosion resistance, rust resistance, and high temperature oxidization resistance.

The cavity 6 is formed to have a flat plate shape in each of the upper, lower, left, right, and thick plates 7, 8, 9, 10, and 11 for cleaning property, and the phosphate-based enamel is The left, right, and thick plates 7, 8, 9, 10 and 11 are respectively coated on the whole.

In the cavity 6, a rack supporter 12 supporting the rack 8 is disposed. The rack supporter 12 protrudes into the cooking space 4 so that the rack 8 can be raised when the rack 8 is positioned in the cooking space 4, and the rack 8 extends out of the cooking space 4. After being withdrawn, the cavity 6 is disposed to be inserted into the cavity 6 for cleaning when the cavity 6 is cleaned, and the rack supporter 12 is disposed to move to the cavity 6. The rack supporter 12 may be manually moved by a user or the like, or may be moved by the rack supporter moving mechanism 14 installed in the cooking apparatus, and may be moved to the rack supporter 12 and the rack supporter moving mechanism 14. This will be described later in detail.

The rack 8 is detachable from the inside of the cavity 6, and is generally made of a wire rack having a grill shape or a rack plate having a plate shape, and is mounted on the rack supporter 12 to be substantially horizontally inside the cavity 6. Is placed.

The heating source 20 includes an upper heater 22 disposed above the cavity 6 and a lower heater 24 disposed below the cavity 6. The heating source 20 further includes a convection assembly 26 disposed at the rear side of the cavity 6 to allow the heated air to be discharged into the cavity 6. The convection assembly 26 includes a convection heater 27 and a convection fan 28 for blowing heat from the convection heater 27 to the cooking space 4.

The upper heater 22 and the lower heater 24 may be provided inside or outside the cavity 6.

The convection heater 27 is disposed outside the cavity 6, and the air inside the cavity 6 cooks while circulating the cooking space 4 and the convection heater 27 through the through holes formed in the cavity 6. The space 4 is heated.

The heating source 20 is not limited to the type of heater, and may include a magnetron or an ultrasonic device.

 The control panel 30 includes an input unit 31 for inputting operating conditions, and a notification unit 35 for letting the operation state of the cooking appliance 1 be known.

The input unit 31 includes a mode selection button 32 for selecting an operation mode of the heating source 20 for cleaning the cavity 6 and a start button 33 for starting the selected mode.

The input unit 31 further includes a rack supporter mode selection button 34 that is a rack supporter mode input unit for selecting an operation of the rack supporter 12.

The input unit 31 further includes a cooking mode selection button and a cooking start button.

The operating mode of the heating source 20 for cleaning the cavity 6 may include a first mode, a second mode and a third mode, and the mode is divided based on the degree of contamination of the cavity 6. Can be.

The degree of contamination of the cavity 6 may be determined by the user, and a specific mode may be selected according to the user's judgment. In this case, the first mode means a state where the degree of contamination of the cavity 6 is the lowest, the third mode means a state where the degree of contamination of the cavity 6 is high, and the second mode means a state of contamination of the cavity 6. The degree means a state between the first mode and the third mode.

Here, the selection of the mode may be determined by the number of times the mode selection button 32 is pressed. That is, when the mode selection button 32 is pressed once, the first mode is selected, and when it is pressed again, the second mode is selected. When the mode select button 32 is pressed again in the second mode state, the third mode is selected.

The notification unit 35 may inform the outside of the optimum cleaning time of the cavity 6. The information known by the notification unit 35 may be visual information or audio information. The alarm unit 35 may be a display unit, an LED, a speaker, a vibration device, or the like. In the present embodiment, it is noted that there is no limitation on the type of signal generated by the notification unit 35.

Meanwhile, as illustrated in FIG. 2, the cooking appliance 1 includes a controller 50 for controlling the overall operation of the cooking appliance 1, and a temperature sensing unit 52 for sensing a temperature inside the cavity 6. And a timer 54 for calculating a time, a memory 56 for storing operating conditions of the cooking appliance 1, and a door switch 57 for detecting the closing of the main door 40.

The controller 50 controls the upper heater 22, the lower heater 24, the convection heater 27, the convection fan 28, and the like, which are the heating sources 20, according to the input of the input unit 31, and the notification unit. 35 and the rack supporter moving mechanism 14 are controlled.

When the control unit 50 inputs the mode selection button 32 and the start button 33 of the input unit 31, the rack supporter moving mechanism 14 is inserted into the cavity 6 so that the rack supporter moving mechanism 14 is inserted into the cavity 6. It is also possible to clean the cavity 6 after controlling the mechanism 14.

When the control unit 50 inputs the rack supporter mode selection button 35 of the input unit 31, the rack supporter moving mechanism 14 is inserted into the cavity 6 so that the rack supporter moving mechanism 14 is inserted into the cavity 6. Control, and the rack supporter moving mechanism 14 of the input unit 31 is re-entered so that the rack supporter moving mechanism 14 protrudes the rack supporter 12 into the cooking space 4 of the cavity 6. It is also possible to control the mechanism 14.

The memory unit 56 may store operating conditions and an optimum cleaning notification time of the heating source 20 according to each mode. For example, the optimal cleaning notification time may be set to 5 minutes in the first mode, 20 minutes in the second mode, and 30 minutes in the third mode. Note that the optimum cleaning notification timing in each mode is not limited in this embodiment.

3 is a front sectional view when the rack supporter shown in FIG. 1 supports the rack, FIG. 4 is a cross-sectional view when the cavity shown in FIG. 3 is cleaned, and FIG. 5 is a rack supporter shown in FIG. Figure 6 is a plan sectional view when supporting, Figure 6 is a plan sectional view when the cavity shown in Figure 5 is cleaning.

 In the cavity 6, an opening 15 through which the rack supporter 12 is disposed is formed.

The rack supporter 12 is disposed to move in the opening 15 and protrudes into the cooking space 4 or is inserted into the opening 15. The rack supporter 12 has the same cross-sectional shape as the opening 15 and has a smaller cross-sectional size than the opening 15. Less is formed.

The rack supporter 12 may be covered by a door 60 to be described later, may be exposed to the inside of the cavity 6 without being covered by the door 60, and the cavity 6 may be easily cleaned. Phosphate-based enamel (A) which is enamel of the same ingredient as the enamel coated on is coated.

 The rack supporter 12 and the opening 15 are provided with a plurality of sets spaced apart from the cavity 6 to support the rack 8.

The rack supporter 12 and the opening 15 are provided in a plurality of sets spaced apart from the front and rear of the seat plate 9 of the cavity 6, and a plurality of sets are provided in the right plate 10 of the cavity 6 spaced apart from the front and rear. It is also possible to stably support the left and right sides of the cavity, and at least one set is provided in the seat plate 9, the right plate 10 and the rear plate 11 of the cavity 6, and the left, right and rear sides of the rack 8 are provided. It is also possible to stably support the following, hereinafter, a plurality of sets are provided in the seat plate 9 of the cavity 6 spaced forward and backward, and the plurality of sets are provided in the right plate 10 of the cavity 6 spaced apart from the front and rear do.

The cavity 6 is formed in the seat plate 9 with a plurality of openings 15 spaced apart in the front-back direction, and the right plate 10 is formed with a plurality of openings 15 spaced apart in the front-back direction.

A plurality of rack supporters 12 are disposed to be spaced apart in the front and rear directions on the seat plate 9 of the cavity 6, and a plurality of rack supporters 12 are disposed to be spaced apart in the front and rear directions on the right plate 10 of the cavity 6.

 The rack supporter moving mechanism 14 moves the rack supporter 12, and the rack supporter 12 is moved to a position P1 which is operated by the rack supporter moving mechanism 14 and protrudes into the cooking space 4. It is moved to the position P2 which does not protrude in the cooking space 4, ie, the position inserted into the opening 15.

The rack supporter moving mechanism 14 includes a drive source 16 and power transmission members 17 and 18 for transmitting the driving force of the drive source 16 to the rack supporter 12.

The rack supporter moving mechanism 14 may move only one rack supporter 12 by a set of a driving source 16 and a power transmission member 17 and 18, and move the plurality of rack supporters 12 together. It is also possible that the set of drive sources 16 and power transmission members 17 and 18 move the plurality of rack supporters 12 together to minimize the number of parts and simplify the structure.

The plurality of rack supporters 12 are connected to the interlocking member 13, the power transmission members 17 and 18 are connected to the interlocking member 13 and one of the plurality of rack supporters 12, and the interlocking member 13. ) And the plurality of rack supporters 12 are integrally moved.

The interlocking member 13 is elongated in a direction orthogonal to the linear movement direction of the rack supporter 12, and each of the rack supporters 12 is a fastening member such as a screw, a hook member such as a hook, or an adhesive means such as an adhesive material. It is also possible to be attached, it is also possible to be molded integrally with the plurality of rack supporters (12).

The rack supporter moving mechanism 14 includes a drive source 16 composed of a linear motor and an actuator, and power transmission members 17 and 18 are installed in the linear motor or actuator, and a plurality of rack supporters 12 and an interlocking member 13 are provided. It is also possible to include a rod connected to one of the), the drive source 16 is made of a motor 16 having a rotating shaft, the power transmission member 17, 18 pinion 17 which is a drive gear installed on the rotating shaft, It is also possible to include a rack 18, which is a driven gear meshed with the pinion 17 and connected to one of the plurality of rack supporters 12 and the interlocking member 13, hereinafter referred to as the motor 16, the pinion 17 and the rack ( 18).

 The rack supporter moving mechanism 14 further includes a rack supporter housing 19 positioned between the cavity 6 and the outer case 2 to protect the drive source 16 and the power transmission member 17, 18. The drive source 16 is installed in the rack supporter housing 19.

The rack supporter housing 19 is installed to be positioned between the cavity 6 and the outer case 2, the surface facing the cavity 6 is opened, and is formed to have a size covering all of the plurality of openings 15.

The rack supporter moving mechanism 14 is arranged to be movable on the left rack supporter moving mechanism for moving the plurality of left rack supporters arranged on the seat plate 9 of the cavity 6 and the right plate 10 of the cavity 6. And a right rack supporter moving mechanism for moving the plurality of right rack supporters.

In the cooking apparatus according to the present exemplary embodiment, when the rack supporter 12 is inserted into the opening 12, one end thereof is disposed in parallel with the cavity 6, and one end thereof and the opening 12 are exposed to the cooking space 4. It is also possible to be covered, it can also be covered by the door 60 provided in the cavity 6, it will be described as the door 60 is provided below.

The door 60 covers the rack supporter 12 and the opening part 15 when the cavity 6 is cleaned or when the rack 8 is not in use. Thus, the hot water, steam, food, or the like is applied to the rack supporter 12 and the opening 15. It does not penetrate into the space | interval between (), and improves the inner aesthetics of the cavity 6, and is arrange | positioned to the inside of the cavity 6 by moving.

The door 60 may be linearly moved in the cavity 6 to move linearly to a position covering the rack supporter 12 and the opening 15 and a position not covering the rack supporter 12 and the opening 15. And rotated to a position P3 disposed in the cavity 6 to cover the rack supporter 12 and the opening 15, and to a position P4 not covering the rack supporter 12 and the opening 15. It is possible.

The door 60 may be linearly moved or rotated by a door moving mechanism including a driving source and a power transmission member, such as the rack supporter moving mechanism 14, and the rack supporter 12 and the elastic member may be rotated without a separate door moving mechanism. It is also possible to linearly move or rotate by, of course, when the door 60 is disposed to rotate in the cavity 6, the rack supporter 12 is moved to protrude into the cooking space 4, the door ( 60 rotates the door 60 to a position not covering the rack supporter 12 and the opening 15, and the rack supporter 12 is inserted into the opening 15 so as not to protrude into the cooking space 4. In this case, the elastic member 62 rotates the door 60 so that the door 60 rotates to the position covering the rack supporter 12 and the opening 15.

The door 60 is rotatably connected to the hinge 64 at the lower position of the opening 15 in consideration of the rack 8 being supported on the rack supporter 12.

The elastic member 62 is installed in the door 60 such that the door 60 is elastically supported in a direction covering the rack supporter 12 and the penetrating portion 15.

 The doors 60 may have the same number of sets of rack supporters 12 and openings 15, so that each of the doors 60 may cover each of the sets of rack supporters 12 and openings 15, but the doors 60 It is also possible to cover a plurality of sets of the rack supporter 12 and the opening 15 at once.

The door 60 preferably covers a plurality of sets of the rack supporter 12 and the opening 15 at the same time so that the number or the number of the elastic member 62 is minimized, the door is a distance between both ends of the plurality of openings (15) The length L2 is formed longer than L1.

 The door 60 may be exposed to the cooking space 4 when one side of the cavity 6 is cleaned, and the door 60 may also be cleaned when the cavity 6 is cleaned, and the enamel coated on the cavity 6 may be cleaned. Phosphate-based enamel (A) of the same component is coated.

7 is a flowchart illustrating an embodiment of a method of operating a cooking appliance according to the present invention.

The operating method of the cooking appliance according to the present embodiment includes a rack supporter inserting step S1 to S2, a cavity cleaning step S3 to S8, and a rack supporter protruding step S9 to S10.

The rack supporter inserting step S1 to S2 inserts the rack supporter 12, which is disposed to protrude into the cooking space 4 in the cavity 6, into the cavity 6, in particular, the opening 15, into the cooking space 4. As a step not to protrude, a cleaner such as a user pulls the rack 8 out of the cooking space 4 and then enters the rack supporter insert mode through the input unit 31, in particular, the rack supporter mode select button 34. Upon input, the controller 50 controls the rack supporter moving mechanism 14 to the insertion mode such that the rack supporter 12 is inserted into the opening 15 of the cavity 6.

The controller 50 drives the motor 16 of the rack supporter moving mechanism 14 in the insertion mode, rotates by the motor 16 which is the pinion 17 which is the drive gear, and the rack 18 which is the driven gear. Is moved away from the cavity 6, that is, toward the outer case 2, in which the plurality of rack supporters 12 are moved outward of the cavity 6.

When the rack supporter 12 moves outward as described above, the rack supporter 12 is inserted deep into the opening 15 so that the rack supporter 12 does not protrude further into the cooking space 4, and the door 60 is an elastic member ( The rack supporter 12 and the opening 15 are covered while being rotated by the elastic restoring force of the 62, and the rack supporter 12 and the opening 15 are covered by the door 60, thereby allowing the cooking space 4 or the cooking space. It becomes invisible from the front of (4).

On the other hand, after the rack supporter 12 is moved as described above, the cleaner such as the user inputs the cleaning of the cavity 6 through the input unit 61, the cooking appliance performs the cavity cleaning steps (S3 ~ S8). .

Cavity cleaning step (S3 ~ S8) is a step of cleaning the cavity (6) when entering the cavity cleaning mode after the rack supporter insertion step, a cleaner such as a water supply (not shown) or a user installed in the cooking appliance water into the cavity (6) It is also possible to include a water supply / heating step in which the heating source 20 heats the water so that the contaminants buried in the cavity 6 are easily cleaned by the hot water.

In addition, the cavity cleaning step (S3 ~ S8) is a steam injector (not shown) installed in the cooking appliance or a user such as a user injects hot steam to the cavity 6 to clean the contaminants in the cavity 6 by steam It is also possible to consist of a steam spraying step which makes it easy to make.

In addition, the cavity cleaning step (S3 ~ S8) performs one of the water supply / heating step or steam injection step as described above, and then the cleaning unit (not shown) installed in the cavity (6) the cavity 6 to the inner wall It is also possible to perform the cleaning unit moving step of directly cleaning the cavity 6 while being moved along.

Hereinafter, the cavity cleaning steps S3 to S8 supply water to the cavity 6, and then the heating source 20 heats the water and informs the soaking time and the optimum cleaning time to the outside.

Cavity cleaning step (S3 ~ S8) is the water supply process (S3), the mode selection process (S4), the main door closing confirmation process (S5), the heating process (S6), the soak time notification process (S7), Optimal cleaning time notification process (S8) is included.

The water supply process S3 is a process in which water for cleaning is supplied into the cavity 6, and a cleaner such as a user pours water into the inner wall or the lower plate of the cavity 6. Alternatively, a water supply unit (not shown) installed in the cooking appliance supplies water to the inner wall or the lower plate of the cavity 6.

The mode selection process S4 is a step of selecting an operation mode of the heating source 20 for cleaning by the mode selection button 32, and "operating mode of the heating source" means an operation mode of the heating source for cleaning. This is distinct from the operating mode of the heating source for cooking. The controller 50 confirms the mode selected by the mode selection button 32 and confirms the input of the start button 33.

 The main door closing confirmation process (S5) is a process of confirming the closing of the main door 40 through the door switch 57, and the controller 50 confirms that the main door 40 is closed by the door switch 57. If not, despite the input of the start button 33, if cleaning is not started and the main door 40 is confirmed to be closed by the door switch 57, the cleaning according to the mode selected by the mode selection button 32 is performed. Initiate.

The heating process S6 is a process of controlling the heating source 20 according to the mode selected by the mode selection button 32. For each mode, the heating process S6 is used to set the off set temperature of the heating source 20 or the on time of the heating source 20. Determine each one.

For example, in the first mode, the off set temperature of the heating source 20 is set low, or the on time of the heating source 20 is set short, and in the second mode, the off set temperature of the heating source 20 is set. Set higher than the first mode, or set the on time of the heating source 20 longer than the first mode, and in the third mode, set the off set temperature of the heating source 20 higher than the second mode or The on time of 20 is set longer than the second mode.

In the heating process S6, when the temperature sensed by the temperature detector 52 reaches the off set temperature of the heating source 20 set for each mode, the heating source 20 is turned off or the time detected by the timer 54. When the on time of the heating source 20 set for each of these modes is reached, the heating source 20 is turned off.

Cavity cleaning step immediately after the heating process (S6) as described above, without notifying the completion of the cleaning to the outside, and notifies the notification unit 35 the pre-stored soaking time in the memory unit 56 for each mode, after the soaking time When this elapses, the notification unit 35 notifies the optimum cleaning point.

Here, a time difference is generated between the time when the heating source 20 is turned off and the time of starting to inform the optimum cleaning time point. The reason for the time difference is that the moisture generated when the water is heated by the heating source 20 In order to be sufficiently absorbed by the contaminants in the cavity 20, this time difference may be referred to as a soaking time.

In the soaking time notification process S7, the control unit 50 controls the informing unit 35, and the informing unit 35 notifies the soaking time to the outside.

In the optimal cleaning point notification process S8, the controller 50 controls the notification unit 35, and the notification unit 35 notifies the outside that the present time is the optimal cleaning time.

The rack supporter protruding step S9 or S10 protrudes the rack supporter 12 arranged to be inserted into the cavity 6 as the opening 15 into the cooking space 4 so that the rack 8 is moved into the cooking space 8. As a step to enable installation, after the cavity cleaning step (S3 ~ S8) and enters the rack supporter protrusion mode through the input unit 31, in particular, the rack supporter mode selection button 34, the control unit 50 is the rack supporter 12 The rack supporter moving mechanism 14 is controlled in the protruding mode such that the protruding portion protrudes from the opening 15 to the cooking space 4.

 The control unit 50 drives the motor 16 of the rack supporter moving mechanism 14 in the protruding mode, and rotates in the opposite direction to the rack supporter insertion mode by the motor 16 of the pinion 17, which is the drive gear. The rack 18, which is the driven gear, is moved away from the outer case 2, that is, toward the cooking space 4 of the cavity 6, wherein the plurality of rack supporters 12 are disposed in the cavity 6. It is moved inward.

When the rack supporter 12 moves inward, the rack supporter 12 protrudes from the opening 15 to the cooking space 4 and protrudes into the cooking space 4, wherein the door 60 is a rack supporter. The elastic member 62 is elastically deformed by being pushed by 12 to expose the rack supporter 12 and the opening 15 together. When the rack supporter 12 protrudes into the cooking space 4 as described above, the rack supporter 12 is in a state in which the rack 8 can be installed in the cooking space 4.

8 is a graph for comparing the cleaning performance according to the water temperature of the enamel having a common enamel and phosphate-based components, Figure 9 is a graph for comparing the cleaning performance according to the soaking time of the enamel having a common enamel and phosphate-based components to be.

Referring to FIG. 8, in the case of general enamel (B), even when the mop is rubbed 300 times regardless of the temperature, contaminants are not completely removed. Increasingly, it can be seen that the number of times the mop is rubbed to remove contaminants is reduced.

Referring to FIG. 9, in the case of general enamel (B), even when the mop is rubbed 300 times, contaminants are not completely removed, but in the case of enamel (A) containing phosphate-based components, the soak time is increased. As can be seen, the number of times the mop is rubbed to remove contaminants is reduced.

Therefore, when the enamel containing the phosphate-based component as in the present embodiment is treated in the cavity, the cleaning performance can be improved.

10 is a plan sectional view when the rack supporter of another embodiment of the cooking appliance according to the present invention protrudes into the cooking space, and FIG. 11 is a plan sectional view when the rack supporter of another embodiment of the cooking appliance according to the present invention is inserted into a cavity. .

10 and 11, the cooking apparatus according to the present embodiment, the rack supporter 12 is an elastic member 70 is installed so as to elastically support in the protruding direction to the cooking space 4, the rack supporter 12 And the hook 72 formed on at least one of the interlocking member 13 and the rack supporter 12 in the insertion direction to lock the hook 72, and the rack supporter 12 inserted into the opening 15 to press the hook. The elastic member 70, the hook 72, and the one-touch rocker 74, including the one-touch rocker 74 to unlock the 72, replace the rack supporter moving mechanism 14 of the embodiment of the present invention. And, the other members and the configuration other than the elastic member 70, the hook 72 and the one-touch rocker 74 is the same as the embodiment of the present invention uses the same reference numerals and detailed description thereof will be omitted.

One end of the elastic member 70 is connected to the rack supporter housing 19 and the other end is connected to the rack supporter 12 or the interlocking member 13, and the rack supporter 12 is elastically supported in the direction of the cooking space 4. do.

The hook 72 and the one-touch rocker 74 do not move freely of the rack supporter 12. The one-touch rocker 74 is installed in the rack supporter housing 19, and the hook 72 is a rack. One of the supporter 12 or the interlocking member 13 protrudes in a direction toward the rocker 74 of the one-touch method.

The elastic member 70, the hook 72, and the one-touch rocker 74 can lock / unlock each of the rack supporters 12, and lock / unlock the plurality of rack supporters 12 together. It is also possible to unlock it.

The elastic member 70, the hook 72, and the one-touch rocker 74 have a hook 72 on each of the rack supporters 12 when one set locks / unlocks each of the rack supporters 12. The elastic member 70 is connected to each of the rack supporters 12.

When one set of the elastic member 70, the hook 72 and the one-touch rocker 74 locks / unlocks the plurality of rack supporters 12 together, the plurality of rack supporters 12 are embodied in the present invention. As an example, it is connected to the interlocking member 13, the hook 72 is formed in one of the plurality of rack supporter 12 and the interlocking member 13, the elastic member 70 and the plurality of rack supporter 12 It is connected to one of the interlocking members 13.

In the cooking apparatus according to the present embodiment, when the cleaner such as the user presses the rack supporter 12 before the cavity cleaning steps S3 to S8 of the embodiment of the present invention, the rack supporter 12 is as shown in FIG. 10. The elastic member 70 is inserted into the opening 15 of the cavity 6 while the elastic member 70 is elastically deformed. At this time, the hook 72 is caught by the one-touch rocker 74, and the rack supporter 12 is the cavity 6. The state inserted into the opening part 15 of () is maintained.

On the other hand, as described above, the cavity cleaning step (S3 ~ S8) of the embodiment of the present invention is carried out in a state in which the rack supporter 12 is pressed by a cleaner such as a user, after which the rack supporter 12 such as a user Press again, the hook 72 is released by the one-touch rocker 74, the rack supporter 12 is shown by the elastic restoring force of the elastic member 70, as shown in Figure 11, the cooking space (4) To protrude, the rack supporter 12 is in a state capable of supporting the rack (8).

12 is a sectional view when the rack supporter according to another embodiment of the present invention protrudes into a cooking space, and FIG. 13 is a flat view when the rack supporter of another embodiment of the cooking appliance according to the present invention is inserted into a cavity. It is a cross section.

12 and 13, when the rack supporter 12 is inserted into the opening 15, the cooking appliance according to the present exemplary embodiment covers a gap between the rack supporter 12 and the opening 15. The part 60 'is formed to protrude, so that the cover part 60' replaces the door 60 of the embodiment of the present invention, and other configurations and actions other than the cover part 60 'are one embodiment or another embodiment of the present invention. Since it is the same as the example, the same code is used and a detailed description thereof is omitted.

The rack supporter 12 has a cross-sectional size smaller than the opening 15 as a whole, and a cover portion 60 ′ protrudes in a radial direction on the outer periphery of the end portion projecting into the cooking space 4, and the rack supporter 12 is formed. When moving in the direction of insertion into the opening 15, the end of the rack supporter 12 is exposed to the cooking space 4, and the lid 60 ′ covers the opening 15.

When the rack supporter 12 is moved in the direction of insertion into the opening 15, the cover 60 ′ covers the opening 15 while being in surface contact with the periphery of the opening 15, and the cover 60 ′ is hot. Prevents air or moisture from penetrating into the opening 15.

Rack supporter 12 is coated with an phosphate-based enamel on the outer surface, as in an embodiment of the present invention or another embodiment, and is coated on the outer surface of the cover portion 60 '.

On the other hand, the present invention is not limited to the above embodiments, and various implementations are possible within the technical scope to which the present invention belongs.

1 is a front view of one embodiment of a cooking appliance according to the present invention;

2 is a block diagram of one embodiment of a cooking appliance according to the present invention.

 3 is a front sectional view when the rack supporter shown in FIG. 1 supports the rack;

4 is a cross-sectional view when the cavity shown in FIG. 3 is cleaned;

FIG. 5 is a cross sectional view when the rack supporter shown in FIG. 1 supports a rack; FIG.

6 is a cross-sectional plan view when the cavity shown in FIG. 5 is being cleaned;

7 is a flowchart of an embodiment of a method of operating a cooking appliance according to the present invention;

8 is a graph for comparing the cleaning performance according to the water temperature of the enamel having a general enamel and a phosphate-based component,

9 is a graph for comparing the cleaning performance according to the soaking time of the normal enamel and the enamel having a phosphate-based component,

10 is a plan sectional view when the rack supporter of another embodiment of the cooking appliance according to the present invention protrudes into a cooking space;

11 is a plan sectional view when the rack supporter according to another embodiment of the cooking appliance according to the present invention is inserted into a cavity;

12 is a plan sectional view when the rack supporter of another example of the cooking appliance according to the present invention protrudes into the cooking space;

Figure 13 is a plan sectional view when the rack supporter according to another embodiment of the cooking appliance according to the present invention is inserted into the cavity.

Claims (14)

 With outer case; A cavity located inside the outer case and having a cooking space therein and having an opening; A rack located in the cooking space; And a rack supporter disposed to move in the opening and protruding into the cooking space or inserted into the opening. The method of claim 1, The rack supporter is a cooking device coated with phosphate-based enamel. The method of claim 2, And a door disposed in the cavity to cover the rack supporter and the opening. The method of claim 3, wherein The door is a cooking appliance coated with phosphate-based enamel. The method of claim 3, wherein And an elastic member connected to the door to elastically support the door in a direction covering the rack supporter and the through part. The method of claim 4, wherein A plurality of the rack supporter and the opening is a plurality of cooking appliances disposed in the front and rear direction spaced apart from the cavity. The method of claim 6, The door is longer than the distance between the plurality of openings of the cooking appliance is formed longer. The method of claim 1, And a rack supporter moving mechanism installed to move the rack supporter. The method of claim 8, The rack supporter moving mechanism includes a driving source and a power transmission member for transmitting the driving force of the driving source to the rack supporter. The method of claim 9, And a rack supporter mode input unit configured to input the rack supporter to protrude into the cooking space or to be inserted into the opening. The method of claim 10, And a control unit for controlling the driving source when the rack supporter mode input unit is input. The method of claim 1, An elastic member installed to elastically support the rack supporter in a protruding direction; A hook formed on the rack supporter; And pressing the rack supporter in an inserting direction to lock the hook, and pressing the rack supporter inserted into the cavity to unlock the hook. The method of claim 1, And the rack supporter protrudes from a cover part covering a gap between the rack supporter and the opening when the rack supporter is inserted into the opening. A rack supporter inserting step of controlling a rack supporter moving mechanism for moving the rack supporter so that the rack supporter supporting the rack is inserted into an opening formed in the cavity when the rack supporter inserting mode is input through an input unit of the cooker; A cavity cleaning step of cleaning the cavity when the cavity cleaning mode is input after the rack supporter insertion step; And a rack supporter protruding step of controlling the rack supporter moving mechanism to the protruding mode so that the rack supporter protrudes into the cooking space of the cavity when the rack supporter protruding mode is input through the input unit after the cavity cleaning step. Driving way.

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