JP2012211716A - Heat cooking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat cooking device in which oil stain burned at high temperature in a grill chamber is washed well.SOLUTION: In the heat cooking device, the grill chamber 40 including a heating means K is provided. A control means is provided for controlling a heating operation of the heating means K. The control means is configured to make the heating means perform heating operation in order to heat a surface to be washed to a higher temperature in which an alkaline detergent exerts detergent action on oil and fat than room temperature. There are provided a detergent jetting means 60 for jetting the alkaline detergent to the surface to be washed which is heated by the heating means K and a washing water jetting means 70 for jetting washing water to the surface to be washed.

Description

  The present invention relates to a cooking device provided with a grill box provided with heating means.

For example, many cooking devices such as a gas table are conventionally provided with a grill for cooking a cooking object such as a fish.
In such a grill, for example, cooking oily fish such as sword fish, etc. may cause heated oil droplets to scatter in the grill. Of the scattered oil droplets, those attached to the top and side burners provided as heating means in the grill are rarely attached as oil stains due to combustion, but parts other than the burner, such as both sides of the grill Since the thing adhering to is in a state where it is baked by high-temperature combustion gas, it may be in a state where it adheres (sticks) as oil stains.

  In order to clean such oil stains, conventionally, there has been proposed a stove provided with water vapor ejection means that swells oil stains on the surface to be cleaned in the grill warehouse to swell the oil stains and make it easy to wipe and clean. (For example, refer to Patent Document 1).

JP 2008-302122 A

  However, oil stains baked at a high temperature may not swell only by spraying water vapor as shown in Patent Document 1, and there is a possibility that cleaning cannot be performed satisfactorily.

  This invention is made | formed in view of the said situation, and it is providing the heat cooking apparatus which can clean favorably the oil stain baked at the high temperature in the grill warehouse.

  The first characteristic configuration of the cooking device according to the present invention for achieving the above object is provided with a grill cabinet provided with heating means, and provided with control means for controlling the heating operation of the heating means. And the control means is configured to heat the heating means so as to heat the surface to be cleaned to a temperature higher than normal temperature at which the alkaline detergent exerts a cleaning action on the oil and fat, and is heated by the heating means. A detergent jetting unit that jets the alkaline detergent to the surface to be cleaned and a cleaning water jetting unit that jets cleaning water to the surface to be cleaned are provided.

  That is, the detergent jetting unit jets the alkaline detergent onto the surface to be cleaned heated to a temperature higher than normal temperature (for example, 65 ° C. or more) at which the alkaline detergent exhibits the cleaning action on the fats and oils by the heating unit. Therefore, it is possible to dissolve and remove oil stains baked on the surface to be cleaned. In addition, since the cleaning water jetting unit jets the cleaning water onto the surface to be cleaned that has been easily dissolved and removed, the dissolved oil stain can be washed away.

  In short, according to the first characteristic configuration of the present invention, it is possible to provide a heating cooking apparatus that can satisfactorily clean oil stains baked at a high temperature in the grill.

  In addition to the first feature configuration, the second feature configuration of the cooking device according to the present invention is configured such that the control unit is capable of controlling operations of the detergent jetting unit and the washing water jetting unit, and A heating process for operating the heating means to maintain the surface to be cleaned at a predetermined temperature, and a detergent ejection process for ejecting the alkaline detergent from the detergent ejection means toward the surface to be cleaned are performed after a predetermined time has elapsed. The cleaning water spraying process for performing the cleaning water spraying process for spraying the cleaning water from the cleaning water spraying unit toward the surface to be cleaned is configured to be executable.

That is, after the control means performs a heat treatment for operating the heating means to maintain the surface to be cleaned at a predetermined temperature, and a detergent ejection process for ejecting an alkaline detergent from the detergent ejection means toward the surface to be cleaned. Then, after a lapse of a predetermined time, the cleaning water jetting process is performed in which the cleaning water is jetted from the cleaning water jetting unit toward the surface to be cleaned.
Therefore, the alkaline detergent is sprayed onto the surface to be cleaned in a state where the surface to be cleaned is maintained at a temperature (for example, 65 ° C. or more) at which the alkaline detergent can exert its ability, and a predetermined time (for example, a time range of 10 to 60 seconds). More specifically, it will wait in that state for 60 seconds when the temperature of the surface to be cleaned is 65 ° C.), so that oil stains fixed to the surface to be cleaned can be appropriately dissolved and easily removed. it can.
And since the washing water from the washing water jetting unit is ejected to the oil dirt that has been easily removed, the dissolved oil dirt can be washed out more appropriately.

  In short, according to the second feature configuration of the present invention, in addition to the operational effects of the first feature configuration, the cooking device capable of better cleaning oil stains baked at high temperatures in the grill cabinet. Can be provided.

  The third feature configuration of the cooking device according to the present invention is configured such that, in addition to the second feature configuration, the control means repeatedly executes the internal cleaning process a predetermined number of times twice or more.

  That is, since the interior cleaning process is repeatedly performed a predetermined number of times or more, the oil stains baked in the grill interior can be cleaned more accurately than when the interior cleaning process is performed only once. be able to.

  In short, according to the third characteristic configuration of the present invention, in addition to the operational effects of the second characteristic configuration, the oil stains baked in the grill can be accurately cleaned.

  In addition to any of the second or third feature configuration described above, the fourth feature configuration of the cooking device according to the present invention stores heat provided by the heating means on the back side of the surface to be cleaned. A heat storage means for heating the surface to be cleaned is provided after the heating means is stopped.

That is, the heat given by the heating means is stored in the heat storage means provided on the back side of the surface to be cleaned, and the surface to be cleaned is heated by the heat storage means after the heating means is stopped. At the time of execution, the heating means is not operated, and the cleaning ability of the sprayed detergent can be properly exhibited.
For example, when the combustion burner is burned as a heating means during execution of the detergent jetting process, there is a possibility that the detergent cannot be jetted uniformly on the surface to be cleaned due to the flow of the combustion gas, and the combustion gas of the combustion burner Since the sprayed detergent comes into contact with the combustion gas, it may evaporate, or may be altered or decomposed by high heat, so that normal cleaning ability may not be exhibited.

  On the other hand, according to the fourth feature configuration, after the heating means is stopped, the heat storage means heats the surface to be cleaned by the heat given by the heating means. It is possible to maintain the surface to be cleaned at a temperature at which the alkaline detergent can exert its ability without activating the cleaning agent, and to properly exert the washing ability of the jetted detergent.

  In short, according to the fourth characteristic configuration of the present invention, in addition to the operational effects of either the second or third characteristic configuration, it is possible to appropriately exert the cleaning ability of the jetted detergent.

A fifth characteristic configuration of the cooking device according to the present invention is such that in addition to any of the second to fourth characteristic configurations described above, exhaust gas such as combustion exhaust gas is discharged to the rear end portion of the grill cabinet. An exhaust port is provided, and a rear end opening / closing lid is provided on a rear end wall of the grill cabinet, which can be switched between an open state and a closed state, and closes the exhaust port in the open state and opens the exhaust port in the closed state. A detergent jet nozzle as the detergent jetting means that faces the inside of the grill cabinet when the rear end open / close lid is open is provided on the back side of the rear end open / close lid; It is configured to change the jet direction of
The control means switches the rear end opening / closing lid to an open state at the time of executing the detergent ejection process and changes the ejection direction of the detergent to uniformly eject detergent onto the surface to be cleaned. It exists in the point comprised so that a detergent may be ejected from a detergent ejection nozzle.

  That is, at the time of executing the detergent ejection process, the exhaust opening is closed by switching the rear end opening / closing lid to the open state, and the detergent ejection nozzle faces the inside of the grill cabinet, and the detergent ejection direction is changed. Since the detergent is ejected from the detergent ejection nozzle, the detergent can be uniformly ejected onto the surface to be cleaned while preventing the alkaline detergent to be ejected from the exhaust outlet to the outside of the grill. The target surface can be cleaned uniformly without wrinkles.

  In short, according to the fifth characteristic configuration of the present invention, in addition to the operational effects of any of the second to fourth characteristic configurations, the surface to be cleaned can be cleaned uniformly without any defects.

In addition to the fifth feature configuration, the sixth feature configuration of the cooking device according to the present invention is a state in which the rear end opening / closing lid faces the inside of the grill cabinet in the open state of the rear end opening / closing lid. A washing water jet nozzle as the washing water jetting means is provided, and the washing water jet nozzle is configured to freely change the jet direction of the washing water,
The control means switches the rear end opening / closing lid to an open state and changes the jet direction of the cleaning water so as to uniformly spray the cleaning water onto the surface to be cleaned when the cleaning water jet processing is executed. In this state, the cleaning water is ejected from the washing water ejection nozzle.

  That is, at the time of executing the washing water ejection processing, the exhaust opening is closed and the washing water ejection nozzle faces the inside of the grille by changing the rear end opening / closing lid to the open state, and the washing water ejection direction is changed. Since the cleaning water is ejected from the cleaning water jet nozzle in a state where the cleaning water is discharged, the cleaning water is sprayed uniformly on the surface to be cleaned while preventing the sprayed cleaning liquid from being discharged from the exhaust port to the outside of the grill. Thus, the surface to be cleaned can be cleaned uniformly without any defects.

  In short, according to the sixth characteristic configuration of the present invention, in addition to the operational effect of any of the fifth characteristic configurations, the surface to be cleaned can be cleaned uniformly without any defects.

  The seventh characteristic configuration of the cooking device according to the present invention is that, in addition to the sixth characteristic configuration, the detergent jetting means and the washing water jetting means are shared by the same jet nozzle.

  That is, since the detergent ejection means and the washing water ejection means are shared by the same ejection nozzle, the number of parts can be reduced compared to the case where the detergent ejection means and the washing water ejection means are provided separately. And cost reduction is possible.

  In short, according to the seventh characteristic configuration of the present invention, in addition to the operational effects of the sixth characteristic configuration, it is possible to provide a cooking device capable of reducing the number of parts and reducing the cost.

  In addition to any of the second to seventh characteristic configurations, the eighth characteristic configuration of the cooking device according to the present invention is a predetermined time until the washing water ejection process is performed after the detergent ejection process. The time range is set to 10 to 60 seconds.

  That is, a time range of 10 to 60 seconds (specifically, sufficient time for the alkaline detergent jetted on the surface to be cleaned in the detergent jetting process to exert a cleaning action on oil stains baked on the surface to be cleaned (specifically In this case, the cleaning water ejection process is executed after 60 seconds when the temperature of the surface to be cleaned is 65 ° C.), so that oil stains baked in the grill can be more appropriately cleaned. Become.

  In short, according to the eighth characteristic configuration of the present invention, in addition to the operational effects of any of the second to seventh characteristic configurations, oil stains baked in the grill can be more appropriately cleaned.

A ninth feature of the cooking device according to the present invention is that, in addition to any of the first to eighth features, the heating means is retracted into the recesses provided on the left and right side walls in the grill. The grille is provided with a side burner that heats the lower surface side of the object to be cooked and covers the recesses on the left and right wall surfaces, and the upper ends of the recesses on the left and right wall surfaces. Side wall opening and closing lid is provided that can be switched to an open state that stands up toward
When the heat treatment is performed, the control means opens the side-wall open / close lid so that the combustion exhaust gas from the side burner flows into the grill warehouse, and the detergent ejection process and the washing water ejection process are performed. In some cases, the side-wall opening / closing lid is configured to be in a closed state.

In other words, the side burner is retracted and disposed in the recesses provided on the left and right side walls in the grill cabinet, and when the heat treatment is performed, the side wall open / close lid is opened and the combustion exhaust gas from the side burner flows into the grill cabinet. Therefore, the surface to be cleaned can be appropriately heated. Moreover, at the time of cooking, the combustion gas flows to the center side in the grill cabinet by the side wall opening / closing lid, and the object to be heated can be appropriately heated.
Furthermore, when the detergent ejection process and the washing water ejection process are performed, the side wall opening / closing lid is closed, so that both side walls and the side wall opening / closing lid have a flat surface without irregularities, and the alkaline detergent and washing water are uniformly ejected. Can be done appropriately.
Therefore, heating of the surface to be cleaned and ejection of alkaline detergent and cleaning water to the surface to be cleaned can be performed appropriately, and oil stains baked in the grill can be more appropriately cleaned.

  In short, according to the ninth characteristic configuration of the present invention, in addition to the operational effects of any of the first to eighth characteristic configurations, oil stains baked in the grill can be more appropriately cleaned.

Overall perspective view of gas table Front view of the gas table with the grill body removed Front sectional view explaining the configuration of the grill Diagram showing heat treatment The figure which shows detergent ejection processing or washing water ejection processing Grill warehouse perspective view showing detergent spout processing Grill warehouse perspective view showing washing water ejection processing (A) The figure explaining the mechanism which implement | achieves the left-right movement of a nozzle holder, (b) The figure explaining the mechanism which implement | achieves a vertical movement of a nozzle holder Block diagram showing configuration of control means Flowchart representing the interior cleaning process by the control means

Hereinafter, a cooking device according to the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a gas table A as an example of a heating cooking apparatus according to the present invention. The top 10 of the gas table A is provided with a stove 11 having a large thermal burner, a stove 12 having a standard thermal burner, and a stove 13 having a small thermal burner. Further, as shown in FIG. 2 and the like, a double-sided heating type grill G having an upper surface burner B1 and a side surface burner B2 is provided as a heating means K inside the main body of the gas table A. An exhaust port 14 for discharging combustion gas generated in the grill 40 of the grill G to the outside of the gas table A is provided on the side of the top plate 10 facing the front plate 30 (end on the back side). .

  Thereafter, in this gas table A, as shown in FIG. 1, the horizontal direction of the gas table A that is parallel to the front plate 30 is the X direction, and the gas table A that is perpendicular to the front plate 30 in plan view. The front-rear direction is referred to as the Y direction, and the height direction of the gas table A perpendicular to the X direction and the Y direction is referred to as the Z direction. The Z direction may be simply referred to as a height direction. Particularly in the Y direction, the front plate 30 side is referred to as the front side, and the side facing the front plate 30 is referred to as the back side. In the X direction, the direction toward the center is the center side, and the direction toward both sides is outward. Let's call it the side.

As shown in FIGS. 1 and 2, the front plate 30 is in a heating state instructing the ignition and extinguishing of the heating means K and the heating power adjustment corresponding to each of the stoves 11, 12, 13 and the grill G. Adjustment switches 100a, 100b, 100c, and 100d are provided. And the control apparatus H (an example of a control means) provided with a microcomputer and configured to execute various controls is in a command state commanded by the heating state adjustment switches 100a, 100b, 100c, and 100d. Based on this, the heating state of each of the heating means K is controlled.
Further, the front plate 30 is provided with a cleaning switch 101 for instructing a cleaning process described later.

An opening 45 that communicates with the grill 40 is provided near the center of the front plate 30 in the X direction. The grill body M is configured to be freely pulled out or inserted from the grill warehouse 40 through the opening 45.
The grill body M includes a lid portion 20 that closes the opening 45 and a handle portion 21 that is attached to the front side of the lid portion 20 so that the handle portion 21 can be gripped and put into and out of the grill warehouse 40. It has become. In addition, a mounting support portion 26 for mounting the grill pan 24 is fixedly attached to the back surface side (Y-direction back surface side) of the lid portion 20. And it is comprised so that the grill pan 24 may be mounted and supported by the mounting support part 26 detachably. Further, the grill pan 24 is configured such that the grill net 23 is detachably mounted and supported.

  Further, as shown in FIG. 2, openings 55 communicating with the sliding means storage chamber 50 are provided below both sides in the X direction of the opening 45 in the main body of the gas table A. The sliding means storage chamber 50 stores therein a gas table side slide rail 51 attached integrally with the gas table A body and a grill body side slide rail 52 fixed to the lid portion 20 of the grill body M. It is configured as follows. The gas table side slide rail 51 and the grill body side slide rail 52 are formed in a U-shape including a bulging portion that supports the bearing ball 54 from the outer side at the tip, and the opening portion is formed. They are provided facing each other. The gas table side slide rail 51 and the grill body side slide rail 52 are arranged in the longitudinal direction with the bearing ball 54 interposed between the bearing ball 54 and the inner support member 53 that supports the bearing ball 54 from the inner side. It is configured to be relatively movable in the (Y direction). That is, the grill main body M is configured to be freely inserted into and removed from the gas table A along the gas table side slide rail 51 attached integrally with the gas table A main body.

  A detergent tank 61 is attached to a part on the left end side of the front plate 30 so as to be separable from the front plate 30. The detergent tank 61 is configured to store a stock solution of an alkaline detergent or a diluent having a predetermined concentration of the alkaline detergent.

  As shown in FIGS. 2 and 3, the grill 40 is formed by being surrounded by side wall surfaces 41 provided on the left and right sides in the X direction, a bottom plate 42 provided on the lower surface, and an upper surface plate 43 provided on the upper surface side in a front view. Has been. As shown in FIGS. 4 and 5, the rear side in the Y direction is closed by the rear end wall 44, and a part of the rear end wall 44 is provided at the rear end portion of the grill 40 and burns. An exhaust port communication portion 40 h that communicates with the exhaust port 14 that exhausts exhaust gas or the like to the outside of the grill 40 is provided.

As shown in FIGS. 2 to 7, the bottom plate 42 in the grill warehouse 40 is configured as a flat plate-shaped member without irregularities in the grill warehouse 40. A drain pipe 42D is provided on the front side of the bottom plate 42 in the Y direction.
The upper surface plate 43 is formed in a trapezoidal shape that protrudes upward in the Z direction in a front view, and an upper surface burner B1 as a combustion burner is provided on the uppermost surface portion. The upper surface burner B1 is configured to eject combustion gas downward, that is, inward of the grill 40.

  Both side wall surfaces 41 provided on the left and right sides in the X direction of the grill 40 are configured by flat plate-like members erected in the vertical direction, and below the center of the side wall surface 41 in the height direction (Z direction), A recess 41p is provided along the Y direction. In the left and right side wall surfaces 41, the side surface burner B <b> 2 as a combustion burner is provided in the recess 41 p in a state in which it is retracted from the side wall surface 41 toward the outside of the grill 40.

In addition, the upper ends of the recesses 41p on both the left and right wall surfaces are in a closed state that covers the left and right recesses 41p, and an open state that stands up from the upper ends of the recesses 41p on the left and right wall surfaces to the inside of the grill. A switchable side wall opening / closing lid 41F is provided. The left and right side burners B2 eject combustion gas from the recesses 41p on the left and right side wall surfaces 41 toward the inner side of the grill 40 when the side wall opening / closing lid 41F is in the open state. It is configured. The combustion gas ejected from the side burner B2 is guided to the side wall opening / closing lid 41F and flows to the center in the X direction of the grill 40, and the cooking object placed on the grill net of the grill body is cooked from the lower surface side. It is supposed to be.
Although not shown, the side wall opening / closing lid 41F is configured to be opened and closed by the side wall opening / closing lid driving mechanism Q1.

  As shown in FIG. 4, the combustion gas ejected from the upper surface burner B1 and the left and right side burners B2 into the grill 40 is discharged from the exhaust port communication portion 40h to the exhaust port 14. .

  As shown in FIGS. 4 and 5, the rear end wall 44 on the rear side in the Y direction of the grill 40 is provided with a hinge having a swing fulcrum in the left and right direction (X direction) at the upper end. There is provided a rear end opening / closing lid 44F that can be switched to the closed state, closes the exhaust port 14 in the open state, and opens the exhaust port 14 in the closed state.

  On the back side of the rear end opening / closing lid 44F, a detergent jet nozzle 60 as detergent jetting means that faces the inside of the grill 40 when the rear end opening / closing lid 44F is open, and similarly, the rear end opening / closing lid 40F is opened. The nozzle holder N to which the washing water jet nozzle 70 as the washing water jetting means in a state facing the inside of the grill warehouse 40 is attached is provided.

As shown in FIGS. 6 and 7, a water supply path 71 is provided in a state where one end side is connected to a water supply source such as a water supply, and the detergent supply path 62 is provided in the water supply path 71 by an ejector effect due to the water flow of the water supply. A mixing section 67 is provided for sucking, mixing and diluting the alkaline detergent supplied from the detergent tank 61 via the. The detergent supply path 62 is provided with a detergent supply valve 63, which can be switched between a supply state in which the detergent is supplied and a supply stop state in which the detergent is not supplied. Further, a water supply valve 72 is provided on the upstream side of the mixing section 67 in the water supply channel 71 so that it can be switched between a supply state for supplying water and a supply stop state for not supplying water. On the downstream side of the mixing section 67 in the water supply channel 71, a detergent ejection state in which the flow path is switched to the pipeline 65 side connected to the detergent ejection nozzle 60, and a pipeline 75 connected to the cleaning water ejection nozzle 70 in the channel. A switching valve 80 is provided which can be switched to a washing water jetting state to be switched to the side.
That is, by setting the water supply valve 72 and the detergent supply valve 63 to the supply state and switching the switching valve 80 to the pipe 65 side, the detergent diluted with clean water is ejected from the detergent ejection nozzle 60 in a sprayed state. (In FIG. 6, the open state of each valve is shown in white, and the closed state is shown in black). Further, the water supply valve 72 is set to the supply state, the detergent supply valve 63 is set to the supply stop state, and the switching valve 80 is switched to the pipe 65 side, so that the clean water as the cleaning water is sprayed from the cleaning water jet nozzle 70. (In FIG. 7, the open state of each valve is shown in white and the closed state is shown in black). Hereinafter, the detergent ejection nozzle 60 and the washing water ejection nozzle 70 may be collectively referred to as an ejection nozzle.

As shown in FIG. 8, the nozzle holder N is attached to the upper end of the nozzle holder support N1, and two nozzle holders N1 are provided along the front-rear direction (Y direction) of the gas table A on the lower end side of the nozzle holder support N1. A slide rail N2 is provided. The nozzle holder support N1 is configured to be slidable in the front-rear direction by engaging with the slide rail N2 at the lower end.
As shown in FIGS. 6 and 7, a contact member N <b> 10 that protrudes forward in a cantilevered manner is provided at the upper end of the nozzle holder support N <b> 1 and above the nozzle holder N. The front end portion of the contact member N10 contacts the rear end opening / closing lid 44F from the back side, and when the nozzle holder support N1 moves rearward along the slide rail N2, the rear end opening / closing lid 44F When the nozzle holder support body N1 is moved forward along the slide rail N2, the rear end opening / closing lid 44F is pushed up by the contact member N10 and is opened.
Although not shown, the nozzle holder support N1 is driven to slide back and forth along the slide rail N2 by the rear end opening / closing lid drive mechanism Q2.

The nozzle holder N is configured to swing up and down and left and right by a vertical movement motor M1 and a left and right movement motor M2.
Specifically, as shown in FIG. 8 (a), a disc provided with a crankpin is attached at a position where the rotary shaft is radially separated from the rotary shaft of the left / right motor M2 along the vertical direction (Z direction). The rotational motion of the left / right motor M2 is converted into the left / right reciprocating motion by the swing member N3 engaged with the crank pin at the rear end. A pedestal portion N8 at the lower end of the nozzle holder N is provided with a vertical shaft hinge serving as a swing fulcrum, and a swing member N3 is provided at an engagement portion provided closer to the left / right movement motor M2 than the vertical shaft hinge. The nozzle holder N is swung to the left and right (swinging motion), and the jet direction of the detergent or washing water by the jet nozzle can be changed to the left and right.

  Further, as shown in FIG. 8B, a disk provided with a crankpin is attached to the rotation shaft of the vertical movement motor M1 whose rotation shaft extends in the left-right direction (X direction). The oscillating member N4 is adapted to convert the rotational movement of the vertical movement motor M1 into a reciprocating movement in the front-rear direction (Y direction). The upper end side of the swing member N4 is engaged with the front / rear reciprocating member N5, so that the rotational movement of the vertical movement motor M1 is converted into the front / rear reciprocating movement. Between the lower end of the nozzle holder N and the pedestal portion N8, a hinge N7 having a swinging axis in the horizontal direction is provided at the front end portion thereof, and the nozzle holder N is moved to the rear end side in the Y direction by the spring (that is, the ejection nozzle Is biased upward). When the front / rear reciprocating member N5 moves to the front side and the front end of the front / rear reciprocating member N5 pushes the nozzle holder N toward the front side in the Y direction, the nozzle holder N faces downward and the front / rear reciprocating member N5 is on the rear side. The nozzle holder N is configured to face upward by the biasing force of the spring. That is, the jet direction of the detergent or washing water by the jet nozzle can be changed up and down.

  In this way, the nozzle holder N swings up and down and left and right, and the detergent ejection nozzle 60 and the cleaning water ejection nozzle 70 held by the nozzle holder N are detergents with respect to the surface to be cleaned. Alternatively, the spraying direction is changed up and down and left and right in order to spray the washing water uniformly.

  In addition, the heat applied by the upper surface burner B1 and the side surface burner B2 as the heating means K is applied to the back surfaces of the left and right side wall surfaces 41 and the upper surface plate 43 other than the installation location of the upper surface burner B1. A heat storage material C is provided as heat storage means for storing heat and heating the surface to be cleaned after the heating means K is stopped. This heat storage material C is comprised with the thick steel plate (SUS304) as a sensible heat storage material.

  As shown in FIG. 9, the control device H is configured to control the original gas on-off valve V0 based on instructions from the heating state adjusting switches 100a, 100b, 100c, and 100d and information from the thermistor S that detects the temperature of each stove. The combustion of the upper surface burner B1 and the side surface burner B2 is controlled by opening and closing and the opening degree of the upper surface burner gas flow rate control valve V1 and the side surface burner gas flow rate control valve V2. In addition, the gas table A of this embodiment is provided with an automatic cooking menu selection switch for setting an automatic cooking menu such as fried food and boiled food, in addition to the heating state adjustment switches 100a, 100b, 100c, and 100d. The description is omitted here.

  Further, the control device H controls the side wall opening / closing lid driving mechanism Q1, the rear end opening / closing lid driving mechanism Q2, the detergent supply valve 63, the water supply valve 72, the switching valve 80, and the vertical movement motor M1 and the left / right movement motor M2. Thus, the operation of the detergent jetting means and the washing water jetting means can be controlled.

  Specifically, the control device H instructs the side wall opening / closing lid driving mechanism Q1 to switch the side wall opening / closing lid 41F to an open state so that the combustion exhaust gas from the side burner B2 flows into the grill 40, and opens / closes the rear end. The lid drive mechanism Q2 is commanded to switch the rear end opening / closing lid 44F to the closed state, the original gas on / off valve V0 is opened, and the top burner gas flow control valve V1 and the side burner gas flow control valve V2 are opened. The upper surface burner B1 and the side surface burner B2 are heated for a predetermined time (for example, 1 minute) in order to heat the surface to be cleaned to a temperature higher than normal temperature at which the alkaline detergent exerts a cleaning action on fats and oils (oil dirt). A heating process is performed in which the heating operation is performed to heat the inside of the grill 40.

  Further, the control device H instructs the side wall opening / closing lid driving mechanism Q1 to switch the side wall opening / closing lid 41F to the closed state, and instructs the rear end opening / closing lid driving mechanism Q2 to switch the rear end opening / closing lid 44F to the open state. The supply valve 72 and the detergent supply valve 63 are switched to the supply state, the switching valve 80 is switched to the pipe 65 side, and the vertical movement motor M1 and the left / right movement motor M2 are driven to change the direction of the nozzle holder to the vertical and horizontal directions. In this state, a detergent ejection process is performed on the surface to be cleaned heated by the heating means K. The detergent ejection process ejects the detergent from the detergent ejection nozzle 60 in a sprayed state for a predetermined time (for example, 5 seconds).

  Further, the control device H instructs the side wall opening / closing lid driving mechanism Q1 to switch the side wall opening / closing lid 41F to the closed state, and instructs the rear end opening / closing lid driving mechanism Q2 to switch the rear end opening / closing lid 44F to the open state. Then, the water supply valve 72 is switched to the supply state, the detergent supply valve 63 is switched to the supply stop state, the switching valve 80 is switched to the pipe 65 side, and the nozzle holder is driven by driving the vertical movement motor M1 and the horizontal movement motor M2. A washing water jet that sprays washing water in a sprayed state from the washing water jet nozzle 70 for a predetermined time (for example, 10 seconds) to the surface to be cleaned sprayed with the alkaline detergent in a state in which the direction of the water is changed up and down and left and right Execute the process.

Next, the control executed by the control device H as control means will be described based on the flowchart of FIG.
When determining that the cleaning switch 101 has been pressed (# 1), the control device H executes an initialization process for initializing the number flag J to 0 (# 2).
Then, a heating process for heating the inside of the grill 40 is executed (# 3). By this heat treatment, heat is stored in the heat storage means provided on the back side of the surface to be cleaned.

  When the heating process is finished, the control device H instructs the side wall opening / closing lid driving mechanism Q1 to close the side wall opening / closing lid 41F, and further instructs the rear end opening / closing lid driving mechanism Q2 to open the rear end opening / closing lid 44F. Opening operation is performed (# 4).

  Subsequently, the control device H executes the detergent ejection process (# 5). If it is determined that 30 seconds have elapsed as the predetermined time after the detergent ejection process is executed, the controller H executes the washing water ejection process (# 6, #). 7).

When the execution of the washing water ejection process ends, the control device H adds 1 to the number flag J (increment) (# 8), and then determines whether I = 3 (# 9). If it is determined that I is less than 3, control is made to return to step # 3. If it is determined that I is 3, then the side opening / closing lid 41F is commanded to the side opening / closing lid driving mechanism Q1. An opening operation is performed, and an end process for closing the rear end opening / closing lid 44F by commanding the rear end opening / closing lid driving mechanism Q2 is executed (# 10).
That is, the control device H performs a heating process for operating the heating means K to maintain the surface to be cleaned at a predetermined temperature, and a detergent ejection process for ejecting an alkaline detergent from the detergent ejection nozzle 60 toward the surface to be cleaned. After a predetermined time (10 to 60 seconds (specifically, 60 seconds when the temperature of the surface to be cleaned is 65 ° C.)), the cleaning water is ejected from the cleaning water ejection nozzle 70 toward the surface to be cleaned. The interior cleaning process for performing the water ejection process is configured to be repeated three times as a predetermined number of times.

  When using the gas table A described so far, if the surface temperature to be cleaned is close to 100 ° C., the cleaning water will evaporate, so the heating temperature is preferably as low as possible, and the cost is reduced. To reduce, it is desirable to dilute the detergent concentration. Therefore, it is diluted so that the detergent concentration becomes 5%, and the temperature of the surface to be cleaned in the grill 40 is set to 65 ° C. or higher and 90 ° C. as a temperature at which the alkaline detergent exerts a cleaning action on fats and oils (oil stains). Heat to the following temperature range (preferably about 65 ° C.). In that state, the washing water ejection process is executed after 60 seconds have passed as the time during which the alkaline detergent can exert its washing action. In this way, the cleaning of oil stains, which is an object of the present invention, can be performed satisfactorily.

[About alkaline detergents]
The alkaline detergent in the above embodiment includes potassium hydroxide and sodium hydroxide as alkali agents, and includes polyoxyethylene alkyl ether sodium sulfate, linear alkylbenzene sulfonate and polyoxyethylene alkyl ether as surfactants. , Other solvents, stabilizers, sequestering agents, and water containing substances (for example, “New Chemi-Cool” (registered trademark) manufactured by Niitaka Co., Ltd.), but an alkaline detergent that can exhibit the same effect If it is, it will not be limited to said detergent.

[About the test]
Subsequently, as a basis of the present invention, a test conducted for confirming the tendency of the relationship between the heating temperature of the surface to be cleaned and the detergent concentration of the alkaline detergent will be described.
The test was conducted according to the following procedure.
(1) Preparation of specimen
A flat stainless steel (SUS304) piece (8 cm x 6 cm, thickness 1 mm) is attached to the surface of a general-purpose electric heater capable of controlling the surface temperature in the range of room temperature to 350 ° C with aluminum tape, and the surface of the stainless piece Vegetable oil and fat (canola oil) is applied to the mixture, and heated by an electric heater at 250 ° C. for about 30 minutes. Thereby, the same state as the oil stain burned in the grill 40 is reproduced.
(2) Heating of sample piece The sample piece is heated by the electric heater. The heating temperature at this time follows a pattern of six test heating temperatures described later.
(3) Spraying of detergent About 1.3 ml of an alkaline detergent (New Chemi-Cool (registered trademark)) diluted with water is sprayed on the surface of the heated sample piece and left in that state for 30 seconds. In addition, the water and alkaline detergent to spray shall be normal temperature (thing which does not heat the supplied water and detergent).
(4) Spraying of washing water After leaving for 30 seconds in the above (3), about 1.3 ml of water is sprayed on the surface of the sample piece in three portions by spraying. In addition, the water sprayed shall be normal temperature (thing which does not heat the supplied water).

  When the tests shown in the above procedures (1) to (4) are carried out in five cases of 100%, 50%, 25%, 10% and 5% by volume as the dilution concentration of the alkaline detergent, and the heating temperature of the sample piece As a result, a total of 30 patterns in six cases of 120 ° C., 100 ° C., 80 ° C., 60 ° C., 40 ° C. and 25 ° C. were performed.

  Table 1 below summarizes the results obtained by this test. In the table, “heating temperature” represents the heating temperature of the sample piece, and the detergent concentration represents the dilution concentration of the detergent and represents the volume% when diluted with water. In addition, “○” in the table indicates that the oil stain was washed well (it was confirmed that the stain was removed visually), and “×” in the table indicates that the oil stain could not be washed well. (It was impossible to confirm that the stain was removed visually).

From the test results shown in Table 1, it has been found that by heating the surface to be cleaned, the oil stain can be cleaned well even if the detergent concentration of the alkaline detergent is diluted.
In addition, the said test was performed in order to confirm that the oil stain which baked on the washing | cleaning object surface could be wash | cleaned well by ejecting the alkaline detergent diluted by heating the washing | cleaning surface as a basis of this invention. However, the parameters of the present invention are not limited.
In addition, the temperature of the surface to be cleaned, the concentration of the detergent, and the predetermined time sufficient for exerting the cleaning action on the oil stains baked on the surface to be cleaned described in the above embodiment are limited to the above-described values. However, the adjustment is possible within a range where the surface to be cleaned can be cleaned satisfactorily.

[Another embodiment]
Next, another embodiment of the present invention will be described.
(A) In the above embodiment, the combustion burner (upper surface burner B1 and side surface burner B2) is used as the heating means. However, the present invention is not limited to such a configuration. An electric heater for heating the surface may be provided on the back side of the surface to be cleaned.

(B) In the above embodiment, each of the detergent jet nozzle 60 as the detergent jet means and the wash water jet nozzle 70 as the wash water jet means is provided to be held by the nozzle holder N. For example, the detergent jetting unit and the washing water jetting unit may be shared by the same jet nozzle. If comprised in this way, since it is not necessary to provide two or more nozzles, reduction of manufacturing cost and reduction of installation space are realizable.
In this case, it is not necessary to provide the switching valve 80 for switching between the pipe line 65 side and the pipe line 75 side. That is, when the detergent is ejected, the water supply supply valve 72 and the detergent supply valve 63 are set to the supply state, and when the cleaning water is ejected, the detergent supply valve 63 is set to the supply stop state and the water supply supply valve 72 is set to the supply state. That's fine.

(C) In the above embodiment, when the nozzle holder N swings up and down and left and right, the detergent ejection nozzle 60 or the washing water ejection nozzle 70 can change the ejection direction of the detergent or washing water up and down and left and right. However, the present invention is not limited to such a configuration. For example, as a detergent ejection nozzle or a washing water ejection nozzle, a plurality of directions for ejecting detergent or washing water uniformly on the surface to be cleaned It is good also as a structure which equips with a plurality of nozzles which turned to and ejects detergent or washing water from them. Even in this case, the detergent ejection nozzle and the washing water ejection nozzle may be configured as separate nozzles in the plurality of nozzles, or the detergent ejection nozzle and the washing water ejection nozzle may be shared. .

(D) In the above embodiment, the control means is configured to repeatedly execute the internal cleaning process three times, but is not limited to such a configuration, for example, once or twice, or four times or more. Any number of times is possible. Further, it is possible to provide a number setting means that allows the user of the gas table to arbitrarily set the number of times in accordance with the degree of dirt, and to repeatedly execute the internal cleaning process a set number of times.

(E) In the above embodiment, the time until the washing water ejection process is performed after the detergent ejection process is performed is set to a time range of 10 to 60 seconds. However, the present invention is not limited to such a configuration. It is also possible to set an arbitrary time less than a second or an arbitrary time exceeding 60 seconds. Further, for example, it may be configured to automatically or manually set depending on the degree of oil stain on the surface to be cleaned.

(F) In the said embodiment, it is comprised so that it may be provided with the side surface burner B2 which retires and is arrange | positioned by the recessed part 41p provided in the both-sides wall surface 41 in the grill warehouse 40, and heats the lower surface side of a cooking object. However, the side burner B2 may be configured to protrude from the left and right side wall surfaces 41. It is also possible to apply to a grill G that does not include the side burner B2. In these cases, the side wall opening / closing lid 41F is not provided.

(G) In the above embodiment, the time for executing the heat treatment for heating the inside of the grill 40 is set to 1 minute, but is not limited to such a configuration, for example, less than 1 minute or 1 minute. It is also possible to set an arbitrary time exceeding. Further, a temperature detection means such as a thermistor or a thermocouple for detecting the temperature of the surface to be cleaned in the grill 40 is provided, and the heating means K until the temperature detected by the temperature detection means reaches a predetermined temperature (for example, 70 ° C.). You may comprise so that the heating by may be continued.

(H) In the above embodiment, the water supply channel 71 is provided in a state where one end is connected to a water supply source such as a water supply, and an alkaline detergent supplied from the detergent tank 61 is ejected by the water flow of the supply water in the mixing unit 67. Although it comprised so that it may attract | suck by an effect, it is not limited to such a structure, For example, you may provide the detergent pump which supplies alkaline detergent from the detergent tank 61 toward the water supply path 71. FIG. If comprised in this way, an alkaline detergent can be diluted to arbitrary density | concentration, without being influenced by the flow velocity of the water supply supplied via the water supply path 71. FIG.

(L) In the above embodiment, the heat storage material C is configured with a thick steel plate (SUS304) as a sensible heat storage material, but is not limited to such a configuration, for example, a thick ceramic plate or the like. It may be used. Moreover, what formed latent heat storage materials, such as a xylitol, in the thick plate shape can also be used as the heat storage material C. FIG. In addition, various materials can be used as long as the surface to be cleaned can be heated after the heating means K is stopped.

(Nu) In the above embodiment, the detergent or washing water is sprayed from the detergent ejection nozzle 60 or the washing water ejection nozzle 70 in a sprayed state, but is not limited to such a configuration. You may comprise so that it may spray in the state which diffuses directly or in the fixed range. Even in such a case, since the detergent jet nozzle 60 or the washing water jet nozzle 70 can change the jet direction of the detergent or the washing water, the detergent or the washing water is uniformly jetted to the surface to be washed. Will be able to.

(L) In the above embodiment, the case where the present invention is applied to the gas table A has been described. However, the present invention is not limited to such a configuration, and can be applied to, for example, an electric heating type cooking apparatus. is there. In this case, the electric heater in another embodiment (I) can be shared with the electric heater for heating the cooking object.

(W) In the above embodiment, the temperature of the surface to be cleaned in the grill 40 is in the temperature range of 65 ° C. or higher and 90 ° C. or lower (preferably as the temperature at which the alkaline detergent exerts the cleaning action on fats and oils (oil stains). However, it is not limited to such a configuration. For example, the temperature of the surface to be cleaned in the grill 40 is set to a temperature lower than 65 ° C. or a temperature higher than 90 ° C. Also good. In this case, it is desirable to adjust the dilution concentration so that the alkaline detergent exhibits a cleaning action.

  INDUSTRIAL APPLICATION This invention can be utilized suitably for providing the cooking apparatus which can wash | clean well the oil stain baked at high temperature in the grill warehouse.

14 Exhaust port 40 Grill box 40F Rear end opening / closing lid 41 Side wall surface 41F Side wall opening / closing lid 41p Recess 44 Rear end wall 44F Rear end opening / closing lid 60 Detergent jetting means 70 Washing water jetting means H Control means K Heating means

Claims (9)

A cooking device provided with a grill cabinet provided with heating means,
Control means for controlling the heating operation of the heating means is provided,
The control means is configured to heat the heating means to heat the surface to be cleaned to a temperature higher than normal temperature at which an alkaline detergent exhibits a cleaning action on fats and oils,
Heating provided with detergent cleaning means for jetting the alkaline detergent to the surface to be cleaned heated by the heating means and cleaning water jetting means for jetting cleaning water to the surface to be cleaned Cooking equipment.   The control means is configured to be able to control the operations of the detergent jetting means and the washing water jetting means, and heat treatment for operating the heating means to maintain the surface to be cleaned at a predetermined temperature; and the detergent jetting A cleaning water jet that performs a detergent jetting process for jetting the alkaline detergent from the means toward the surface to be cleaned, and jets the cleaning water from the cleaning water jet means toward the surface to be cleaned after a predetermined time has elapsed. The cooking device according to claim 1, wherein the cooking device is configured to be able to perform an internal cleaning process.   The cooking apparatus according to claim 2, wherein the control means is configured to repeatedly execute the interior cleaning process a predetermined number of times twice or more.   The heat storage means for storing the heat given by the heating means on the back side of the surface to be cleaned and for heating the surface to be cleaned after the heating means is stopped is provided. The cooking apparatus according to item. An exhaust port for exhausting exhaust gas such as combustion exhaust gas to the outside of the grill cabinet is provided at the rear end of the grill cabinet,
A rear end opening / closing lid that is switchable between an open state and a closed state and that closes the exhaust port in the open state and opens the exhaust port in the closed state is provided on the rear end wall of the grill cabinet,
On the back side of the rear end opening / closing lid, there is provided a detergent jet nozzle as the detergent jetting means that faces the grille when the rear end opening / closing lid is open.
The detergent ejection nozzle is configured to freely change the detergent ejection direction,
The control means switches the rear end opening / closing lid to an open state at the time of executing the detergent ejection process and changes the ejection direction of the detergent to uniformly eject detergent onto the surface to be cleaned. The cooking device according to any one of claims 2 to 4, wherein the detergent is jetted from a detergent jet nozzle. On the back side of the rear end opening / closing lid, there is provided a washing water jet nozzle as the washing water jetting means that faces the grille when the rear end opening / closing lid is open.
The washing water ejection nozzle is configured to freely change the washing water ejection direction,
The control means switches the rear end opening / closing lid to an open state and changes the jet direction of the cleaning water so as to uniformly spray the cleaning water onto the surface to be cleaned when the cleaning water jet processing is executed. The cooking apparatus according to claim 5, wherein the cleaning water is ejected from the washing water ejection nozzle in a state.   The cooking apparatus according to claim 6, wherein the detergent jetting means and the washing water jetting means are shared by the same jet nozzle.   The cooking apparatus according to any one of claims 2 to 7, wherein a predetermined time until the washing water ejection process is executed after the detergent ejection process is set in a time range of 10 to 60 seconds. The heating means is configured to include a side burner that is retracted and disposed in the concave portions provided on the left and right side walls in the grill cabinet and heats the lower surface side of the cooking object,
Side wall opening / closing lids that can be switched between a closed state that covers the recesses on the left and right side wall surfaces and an open state that stands up from the upper end of the recesses on the left and right side wall surfaces toward the inside of the grille,
When the heat treatment is performed, the control means opens the side-wall open / close lid so that the combustion exhaust gas from the side burner flows into the grill warehouse, and the detergent ejection process and the washing water ejection process are performed. The cooking device according to any one of claims 2 to 8, wherein the side wall opening / closing lid is sometimes closed.

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