WO2006013784A1 - 蒸気調理器 - Google Patents
蒸気調理器 Download PDFInfo
- Publication number
- WO2006013784A1 WO2006013784A1 PCT/JP2005/013867 JP2005013867W WO2006013784A1 WO 2006013784 A1 WO2006013784 A1 WO 2006013784A1 JP 2005013867 W JP2005013867 W JP 2005013867W WO 2006013784 A1 WO2006013784 A1 WO 2006013784A1
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- WO
- WIPO (PCT)
- Prior art keywords
- steam
- temperature
- heater
- heating chamber
- water
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C1/00—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
- F24C15/322—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation
- F24C15/327—Arrangements of ducts for hot gases, e.g. in or around baking ovens with forced circulation with air moisturising
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- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
- A21B3/00—Parts or accessories of ovens
- A21B3/04—Air-treatment devices for ovens, e.g. regulating humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/32—Arrangements of ducts for hot gases, e.g. in or around baking ovens
Definitions
- the present invention relates to a steam cooker.
- This steam cooker uses steam to heat an object to be heated, such as food, and sends superheated steam into an oven (see JP-A-8-49854).
- This steam cooker includes a steam generator that generates steam by providing a heater in a pot, and a steam superheater that generates superheated steam by heating the steam generated by the steam generator, The superheated steam generated by the steam superheater is sent into the oven to cook food.
- an object of the present invention is to provide a good cooking finishing power ⁇ that can quickly start the steam supply to the heating chamber when the preheating operation is switched to the heating cooking operation, and shorten the cooking time. It is to provide a steam cooker.
- a steam cooker of the present invention heats water with a heater to generate steam, and heats an object to be heated by steam supplied from the steam generator.
- a heating chamber, a heating device for heating the heating chamber with a heater After performing a preheating operation in which the temperature of the heating chamber is raised to the target preheating temperature by the heater of the temperature raising device, the steam obtained by heating the water in the steam generating device with the heater of the steam generating device is used.
- the heater includes a heater for the steam generator and a control device for controlling the heater for the temperature raising device so as to perform a cooking operation in which the temperature is raised by the heater of the temperature raising device and is supplied to the heating chamber.
- the steam from the steam generator is heated by the heater of the temperature raising device, and the heated steam is supplied to the heating chamber to cover food such as food. Heat the heated object.
- a preheating operation is performed in which the heating chamber is heated to the target preheating temperature by heating with the heater of the temperature raising device without putting an object to be heated in the heating chamber. If the steam generation start condition is satisfied, the water in the steam generator is heated by the heater of the steam generator to generate steam. After the heating chamber reaches the target preheating temperature and the preheating operation is completed, the steam obtained by heating the water in the steam generating device with the heater of the steam generating device is heated with the heater of the heating device.
- the cooking operation to supply to the heating chamber is performed.
- the steam supply to the heating chamber can be quickly started up when the preheating operation is switched to the next cooking operation.
- a steam cooker with good cooking finishing power that can shorten the time can be realized.
- the control device determines that the steam generation start condition is satisfied during the preheating operation, and the steam generator is heated by a heater of the steam generator. After generating steam from the steam generator, if it is determined that the steam generation reduction condition has been satisfied during the preheating operation, the steam generation amount of the steam generation device is reduced below the current steam generation amount by controlling the heater of the steam generation device. It is characterized by.
- the control device determines that the steam generation start condition is satisfied during the preheating operation, and generates steam from the steam generator by heating with the heater of the steam generator. After that, if the controller determines that the steam generation reduction condition has been satisfied during the preheating operation, the steam generator is controlled by controlling the heater of the steam generator. By reducing the amount below the current steam generation amount, the water consumption in the steam generation device can be reduced during the preheating operation until the next cooking operation while keeping the water in the steam generation device warm.
- the input power to one heater may be controlled to be large or small, or the input power or on / off control may be performed by combining multiple heaters that may be controlled on / off. Do it! /
- the steam cooker includes a temperature sensor that detects a temperature in the heating chamber, and the control device detects a temperature in the heating chamber detected by the temperature sensor during the preheating operation. Is equal to or higher than the steam generation start temperature lower than the target preheating temperature, the steam generation start condition is satisfied.
- the control device starts the steam generation. Judging that the conditions are satisfied, steam is generated from the steam generator by heating with the heater of the steam generator. In this way, the water in the steam generator is heated when the preheating is completed by heating the water with the heater of the steam generator before the temperature in the heating chamber reaches the target preheat temperature, that is, before the preheating is completed. I can leave.
- the steam cooker includes a temperature sensor that detects a temperature in the heating chamber, and the control device detects a temperature in the heating chamber detected by the temperature sensor during the preheating operation. When the temperature exceeds the target preheating temperature, the steam generation start condition is satisfied.
- the control device determines that the steam generation start condition is satisfied. Then, steam is generated from the steam generator by heating with the heater of the steam generator. In this way, when the temperature in the heating chamber reaches the target preheating temperature and the preheating is completed, the water is heated by the heater of the steam generator, so that the heating operation is started as soon as the water in the steam generator becomes warm. Can be migrated to.
- the steam cooker includes a temperature sensor that detects a temperature in the heating chamber, and the control device detects a temperature in the heating chamber detected by the temperature sensor during the preheating operation. Above the target preheating temperature above the steam generation start temperature, It is determined that the steam generation start condition is satisfied, the water in the steam generator is heated by the heater of the steam generator, and then the heating chamber detected by the temperature sensor during the preheating operation. When the temperature of the steam generator becomes equal to or higher than the target preheating temperature, it is determined that the steam generation reduction condition is satisfied, and the steam generation amount of the steam generation device is set to be higher than the current steam generation amount by controlling the heater of the steam generation device. It is characterized by lowering.
- the control device determines that the steam generation reduction condition is satisfied. Then, control the heater of the steam generator to reduce the steam generation amount of the steam generator below the current steam generation amount. In this way, by using the fact that the temperature in the heating chamber reaches the target preheating temperature during the preheating operation as a condition for reducing the steam generation, the temperature of the water in the steam generator is reduced from the steam generation start temperature. The time required to reach the target preheating temperature can be managed, and the heater control of the steam generator can be simplified.
- the control device determines that the steam generation start condition is satisfied during the preheating operation, and the heater of the steam generation device is used in the steam generation device.
- the above steam generation reduction condition is satisfied when a predetermined time elapses after the water is heated.
- the control device determines that the steam generation start condition is satisfied during the preheating operation, and heats the water in the steam generation device by the heater of the steam generation device to generate a predetermined force.
- the control device determines that the steam generation reduction condition is satisfied, and controls the steam generation device heater to lower the steam generation amount of the steam generation device below the current steam generation amount.
- the steam cooker includes a water temperature sensor that detects a temperature of water in the steam generation device, and the control device includes a water temperature sensor in the steam generation device that is detected by the water temperature sensor. When the temperature of the water exceeds a predetermined temperature, the steam generation reduction condition is satisfied. [0018] According to the steam cooker of the above embodiment, after the control device determines that the steam generation start condition is satisfied during the preheating operation, the steam is generated from the steam generator by heating with the heater of the steam generator. When the temperature of the water in the steam generator detected by the water temperature sensor becomes equal to or higher than a predetermined temperature, the controller determines that the steam generation reduction condition is satisfied, and controls the steam generator to control the steam generator.
- the steam cooker notifies the user that the preheating operation is completed when the control device determines that the steam generation reduction condition is satisfied during the preheating operation. It is provided with.
- the notification means notifies the user that the preheating operation has ended.
- the user can know without delay that the preheating operation has been completed.
- the user starts the cooking operation after putting the food, which is the object to be heated, in the heating chamber, so that the cooking workability can be improved.
- the steam supply to the heating chamber can be quickly started up when the preheating operation is switched to the heating cooking operation, and the control time is increased. It is possible to realize a steam cooker with good cooking finishing power that can shorten the cooking time.
- FIG. 1 is an external perspective view of a steam cooker according to a first embodiment of the present invention.
- FIG. 2 is an external perspective view of the steam cooker with the door opened.
- FIG. 3 is a schematic cross-sectional view of the main part of the steam cooker with the door closed, as seen from the side force.
- FIG. 4 is a diagram showing the configuration of the control device for the steam cooker.
- FIG. 5 is a diagram for explaining the heating cooking process of the steam cooker of the comparative example.
- Fig. 6 is a view for explaining the heating cooking process of the steam cooker of the first embodiment.
- Fig. 7 is a view for explaining the cooking process of the second embodiment of the present invention.
- Fig. 8 is a view for explaining the heat cooking process of the third embodiment of the present invention.
- Fig. 9 is a view for explaining the cooking process of the fourth embodiment of the present invention.
- Fig. 10 is a diagram for explaining the cooking process of the fifth embodiment of the present invention.
- FIG. 1 is an external perspective view of the steam cooker 1 according to the first embodiment of the present invention, and a door 12 is provided on the front surface of a rectangular parallelepiped main body casing 10 to rotate about the lower end side. .
- An operation panel 11 is provided on the right side of the door 12, a handle 13 is provided at the top of the door 12, and a heat-resistant glass window 14 is provided in the approximate center of the door 12.
- FIG. 2 is an external perspective view of the steam cooker 1 with the door 12 opened, and a rectangular parallelepiped heating chamber 20 is provided in the main body casing 10.
- the heating chamber 20 has an opening 20a on the front side facing the door 12, and the side, bottom and top surfaces of the heating chamber 20 are made of stainless steel plate.
- the door 12 is formed of a stainless steel plate on the side facing the heating chamber 20.
- a heat insulating material (not shown) is arranged around the heating chamber 20 and inside the door 12 to insulate the heating chamber 20 from the outside.
- a stainless steel tray 21 is placed on the bottom surface of the heating chamber 20, and a stainless steel wire rack 24 is placed on the tray 21 for placing an object to be heated.
- a substantially rectangular side steam outlet 22 (only one of them is shown in FIG. 2) is provided on both side surfaces of the heating chamber 20.
- a water tank for storing the water tank 30 is provided on the left side of the heating chamber 20 of the main casing 10.
- Ink storage unit 100 is provided on the right side of the heating chamber 20 of the main casing 10.
- a protrusion 101 with a substantially rectangular region protruding on the front surface is provided on the right side of the heating chamber 20 of the main casing 10.
- a plurality of air outlets 102 are provided on the heating chamber 20 side and above the protrusion 101! / RU
- a recess 103 into which the protrusion 101 of the main body casing 10 is fitted is provided in the door 12, and a plurality of examples of air inlets are provided on the side wall of the recess 103 on the window 14 side.
- the cooling slit 104 is provided at a position facing the plurality of air blowing ports 102 of the protrusion 101 of the main body casing 10.
- the window 14 is composed of two heat-resistant glasses with a space in between, and a packing 105 is attached to the side of the door 12 facing the main casing 10 and the outer edge of the window 14.
- FIG. 3 is a schematic configuration diagram showing a basic configuration of the steam cooker 1.
- the steam cooker 1 includes a heating chamber 20, a water tank 30 for storing water for steam, a steam generator 40 for evaporating water supplied from the water tank 30, and a steam generator.
- a steam temperature raising device 50 as an example of a temperature raising device for heating steam from 40, and a control device 80 for controlling the steam generating device 40, the steam temperature raising device 50, and the like are provided.
- a grid-like rack 24 is placed on a tray 21 placed in the heating chamber 20, and an object to be heated 90 is placed in the approximate center of the rack 24.
- a connection portion 30a provided on the lower side of the water tank 30 is connected to a funnel-shaped receiving port 31a provided at one end of the first water supply pipe 31.
- the suction side of the pump 35 is connected to the other end of the second water supply nozzle 32 branched from the first water supply pipe 31 and extending upward, and one end of the third water supply pipe 33 is connected to the discharge side of the pump 35.
- a water tank water level sensor 36 is disposed at the upper end of a water level sensor pipe 38 that branches off from the first water supply pipe 31 and extends upward. Further, the upper end of an air release pipe 37 that branches off from the first feed water nozzle 31 and extends upward is connected to an exhaust duct 65 described later.
- the third water supply pipe 33 has an L shape that is bent substantially horizontally from a vertically disposed portion, and an auxiliary tank 39 is connected to the other end of the third water supply pipe 33.
- One end of the fourth water supply pipe 34 is connected to the lower end of the auxiliary tank 39, and the other end of the fourth water supply pipe 34 is connected to the lower end of the steam generator 40.
- one end of the drain valve 70 is connected to the lower end of the steam generator 40 to which the fourth water supply pipe 34 is connected.
- one end of the drain pipe 71 is connected to the other end of the drain valve 70, and the inside drain port 29 is connected to the other end of the drain pipe 71. It continues.
- the drain pipe 71 is connected to the internal drain port 29 in a state of protruding 2 mm or more into the heating chamber 20. Further, the upper end of the drainage nozzle 72 is connected to the lowermost part of the fan casing 26 and the lower end of the drainage noise 72 is connected to the drainage pipe 71. Note that the upper portion of the auxiliary tank 39 communicates with the atmosphere via the atmosphere opening noise 37 and the exhaust duct 65.
- the water level sensor pipe 38 connected to the water tank water level sensor 36 has a sealed tip, so the water level does not rise, but the pressure in the sealed space of the water level sensor pipe 38 depends on the water level of the water tank 30. Rise from atmospheric pressure. By detecting this pressure change by a pressure detecting element (not shown) in the water tank water level sensor 36, the water level in the water tank 30 is detected.
- the pipe 37 for opening to the atmosphere is not necessary, but to prevent the suction pressure of the pump 35 from acting directly on the pressure detection element and reducing the accuracy of water level detection in the water tank 30.
- An open air pipe 37 having an open end is used.
- the steam generator 40 includes a pot 41 having the lower end connected to the other end of the fourth water supply pipe 34, a heater portion 42 disposed in the vicinity of the bottom surface in the pot 41, and a heater in the pot 41.
- the water level sensor 43 is disposed near the upper side of the portion 42
- the steam wick I ejector 44 is mounted on the upper side of the pot 41
- the water temperature sensor 48 is disposed in the pot 41.
- a fan casing 26 is disposed outside a suction port 25 provided at the upper side of the heating chamber 20. The steam in the heating chamber 20 is sucked from the suction port 25 by the blower fan 28 arranged in the fan casing 26.
- the sucked steam is sent to the inlet side of the steam suction ejector 44 of the steam generating device 40 through the first pipe 61.
- the first pipe 61 has one end connected to the fan casing 26 and the other end connected to the inlet side of the inner nozzle 45 of the steam suction bow ejector 44.
- the vapor suction ejector 44 includes an outer nozzle 46 that wraps the outside of the inner nozzle 45, and the discharge side of the inner nozzle 45 communicates with the internal space of the pot 41.
- the discharge side of the outer nozzle 46 of the steam suction ejector 44 is connected to one end of the second pipe 63, and the steam temperature raising device 50 is connected to the other end of the second pipe 63.
- the fan casing 26, the first pipe 61, the steam suction ejector 44, the second pipe 63 and The circulation path 60 is formed by the steam heating device 50.
- One end of the discharge passage 64 is connected to the discharge port 27 provided on the lower side of the side surface of the heating chamber 20, and the other end of the discharge passage 64 is connected to one end of the exhaust duct 65.
- An exhaust port 66 is provided at the other end of the exhaust duct 65.
- a radiator 69 is externally fitted on the exhaust duct 65 side of the discharge passage 64.
- a connection portion with the first pipe 61 forming the circulation path 60 is connected to the exhaust duct 65 via the exhaust passage 67.
- a damper 68 that opens and closes the exhaust passage 67 is disposed on the connection side of the exhaust passage 67 with the first pipe 61.
- the steam temperature raising device 50 includes a dish-shaped case 51 disposed on the ceiling side and substantially in the center of the heating chamber 20 with the opening facing downward, and a first steam disposed in the dish-shaped case 51.
- the heater 52 and a second steam heater 53 disposed in the dish-shaped case 51 are provided.
- the bottom surface of the dish-shaped case 51 is formed by a metal ceiling panel 54 provided on the ceiling surface of the heating chamber 20.
- a plurality of ceiling steam outlets 55 are formed in the ceiling panel 54.
- the ceiling panel 54 has a dark finish on both the top and bottom surfaces. Note that the ceiling panel 54 may be formed of a metal material that changes to a dark color by repeated use or a dark ceramic molded product.
- one ends of steam supply passages 23 (only one of them is shown in Fig. 3) extending to the left and right sides of the heating chamber 20 are connected.
- the other end of the steam supply passage 23 extends downward along both side surfaces of the heating chamber 20 and is connected to side surface steam outlets 22 provided on both side surfaces and the lower side of the heating chamber 20.
- FIG. 4 shows the configuration of the control device 80 of the steam cooker 1.
- the control device 80 includes a blower fan 28, a first steam heater 52, a second steam heater 53, a damper 68, a drain valve 70, and a first steam generator heater.
- a chamber temperature sensor 81 for detecting the temperature in the chamber (shown in FIG. 3), a humidity sensor (not shown) for detecting the humidity in the heating chamber 20, and a pump 35 are connected.
- the display unit 11A and the key input unit 11B constitute the operation panel 11 (shown in FIG. 1).
- control device 80 is connected to a door open / close detection switch SW1 and a tank attachment detection switch SW2.
- Door open / close detection switch SW1 opens door 12. Turns on when the door is closed and turns off when the door 12 is closed.
- the tank attachment detection switch SW2 is turned on when the tank 30 shown in FIG. 2 is attached to the water tank storage section 100, and turned off when the tank 30 is not attached.
- the control device 80 shown in FIG. 4 also has power such as a microcomputer and an input / output circuit.
- the water level sensor 36, the water level sensor 43, the water temperature sensor 48, the internal temperature sensor 81, the humidity sensor 81 Based on detection signals from detection switch SW1 and tank installation detection switch SW2, blower fan 28, first steam heater 52, second steam heater 53, damper 68, drain valve 70, first steam generator heater 42A
- the second steam generating heater 42B, the display unit 11A, the key input unit 11B and the pump 35 are controlled according to a predetermined program.
- one output terminal L1 of the outlet 110 to which a commercial AC power supply (not shown) is connected is connected to one power input terminal of the control device 80, and
- the other output terminal L2 is connected to one end of the heating relay RY1.
- One end of each of the first steam generating heater 42A, the second steam generating heater 42B, the first steam heating heater 52, and the second steam heating heater 53 is connected to the other end of the relay RY1.
- the other end of the first steam generating heater 42A is connected to one end of the relay RY2, and the other end of the second steam generating heater 42B is connected to one end of the relay RY3.
- the other end of the first steam heater 52 is connected to one end of the relay RY4, and the other end of the second steam heater 53 is connected to one end of the relay RY5.
- the water level sensor 43 is a self-heating thermistor, and the on / off of energization is controlled by the relay RY6.
- FIG. Figure 5 (a) shows the change in the internal temperature (° C) in the heating chamber 20 during cooking by steam
- Figure 5 (b) shows the opening and closing of the door 12
- Figure 5 (c) shows the steam
- Fig. 5 (d) shows the change in the electric power (W) input to the generator 40 (heater unit 42)
- Fig. 5 (d) shows the electric power (W) input to the steam heating device 50 (first steam heater 52). It shows a change.
- the horizontal axis of FIGS. 5 (a) to (() represents the heating time.
- the steam cooker that performs the cooking process shown in FIGS. 5 (a) to () is compared with the embodiment of the present invention. For the sake of explanation, it is not the steam cooker of the present invention.
- a preheating operation mode in which the inside temperature of the heating chamber 20 is raised to a target preheating temperature (for example, 200 ° C) without first putting an object to be heated, such as food, is performed. After finishing the heat, put the object to be heated in the heating chamber 20 and move to the cooking mode where steam cooking is performed.
- a target preheating temperature for example, 200 ° C
- the internal temperature in the heating chamber 20 reaches the first predetermined temperature, which is the target preheating temperature, preheating is completed, and thereafter, the internal temperature in the heating chamber 20 reaches the first predetermined temperature.
- On-off control of the first steam heater 52 of the steam temperature raising device 50 is performed so as to be maintained.
- the cooking operation mode starts.
- the steam generator is controlled while turning on / off the first steam heater 52 of the steam heating device 50 so that the inside temperature of the heating chamber 20 is maintained at the first predetermined temperature.
- the heater section 42 of the 40 is energized, and the water accumulated in the pot 41 is heated by the heater section 42.
- FIG. 6 shows the change in the internal temperature (° C) in the heating chamber 20 during cooking
- Fig. 6 (b) shows the opening and closing of the door 12
- Fig. 6 (c) shows the steam generator 40
- Figure 6 (d) shows the change in power (W) input to the steam heating device 50 (first steam heater 52). ing.
- the horizontal axis in FIGS. 6 (a) to 6 (d) represents the heating time.
- the control device 80 closes the drain valve 70 and starts the operation of the pump 35 with the damper 68 closing the exhaust passage 67.
- Water is supplied from the water tank 30 into the pot 41 of the steam generator 40 through the first to fourth water supply pipes 31 to 34 by the pump 35. Then, when the water level sensor 43 detects that the water level in the pot 41 has reached the predetermined water level, the pump 35 is stopped to stop water supply.
- the blower fan 28 is turned on, and the first steam heater 52 of the steam temperature raising device 50 is energized as shown in FIG. 6 (d). Then, the blower fan 28 sucks air (including steam) in the heating chamber 20 from the suction port 25, and sends out air (including steam) to the circulation path 60. Since the blower fan 28 is a centrifugal fan, it can generate a higher pressure than the propeller fan. Furthermore, by rotating the centrifugal fan used for the blower fan 28 at a high speed with a direct current motor, the flow velocity of the circulating airflow can be extremely increased.
- the control device 80 sets the steam generation start condition.
- the heater unit 42 of the steam generator 40 is energized, and a predetermined amount of water accumulated in the pot 41 is heated by the heater unit 42.
- the control device 80 determines that the steam generation reduction condition has been met, and as shown in Fig. 6 (c), the input power to the heater unit 42 of the steam generator 40 is lowered to reduce the steam generation amount from the current steam generation amount. Lower. Further, after satisfying this steam generation reduction condition, the control device 80 determines that the preheating has been completed, and controls the first steam heater 52 to be turned on / off so that the internal temperature in the heating chamber 20 is increased. 1 Keep at the specified temperature.
- the heater unit 42 is heated by the first steam generating heater 42A with high power (for example, 700 W) and the second steam generating heater 42B with low power (for example, 300 W). Then, after satisfying the steam generation reduction condition, low power (for example, 300 The power input to the heater unit 42 is reduced by heating only with the second steam generating heater 42B of (W).
- the control device 80 detects that the door 12 is opened by the door open / close detection switch SW1 (shown in FIG. 4), and instantly opens the damper 68 of the exhaust passage 67.
- the first pipe 61 of the circulation path 60 communicates with the exhaust duct 65 via the exhaust passage 67, and the steam in the heating chamber 20 is blown by the blower fan 28 through the suction port 25, the first pipe 61, the exhaust passage 67 and It is discharged from the exhaust port 66 through the exhaust duct 65.
- the control device 80 starts the heating and cooking operation mode, energizes the heater unit 42, and heats the water in the pot 41 by the heater unit 42. At this time, the control device 80 also performs power control of the first steam heating heater 52 at the same time in order to keep the inside temperature in the heating chamber 20 at the first predetermined temperature.
- the superheated steam ejected from the ceiling side of the heating chamber 20 is steadily supplied toward the heated object 90 side in the center, and the superheated steam ejected from the left and right side surfaces of the heating chamber 20. Is supplied while the downward force of the article 90 to be heated is also raised so as to wrap the article 90 to be heated.
- the heating chamber 20 convection occurs in such a manner that it blows down at the center and rises outside. And the convection steam is sucked into the suction port 25 sequentially, It repeats the circulation of returning to the heating chamber 20 through the circulation path 60 again.
- the superheated steam from the steam heating device 50 is converted to ceiling steam while maintaining a uniform temperature and humidity distribution in the heating chamber 20. It is possible to eject from the blower outlet 55 and the side blower outlet 22 and to efficiently collide with the object to be heated 90 placed on the rack 24. Then, the object to be heated 90 is heated by the collision of superheated steam. At this time, the superheated steam in contact with the surface of the object to be heated 90 also heats the object to be heated 90 by releasing latent heat when dew condensation occurs on the surface of the object to be heated 90. As a result, a large amount of heat of superheated steam can be reliably and promptly applied to the entire surface of the object to be heated 90, and heat cooking can be achieved with no unevenness and good finish.
- a control completion message is displayed on the operation panel 11 by the controller 80, and a signal is sounded by a buzzer (not shown) provided on the operation panel 11.
- the control device 80 detects that the door 12 has been opened by the door open / close detection switch SW1 (shown in FIG. 4) and detects the damper of the exhaust passage 67. 6 8 opens instantly.
- the first pipe 61 of the circulation path 60 communicates with the exhaust duct 65 through the exhaust passage 67, and the steam in the heating chamber 20 is sucked by the blower fan 28 through the suction port 25, the first pipe 61, and the exhaust passage.
- the first steam heater 52 of the steam heating apparatus 50 is not put into the heating chamber 20 without putting an object to be heated.
- the controller 80 determines that the steam generation start condition is satisfied, and generates steam by the heater unit 42 of the steam generator 40.
- the water in the pot 41 of the apparatus 40 is heated to generate steam.
- the water in the steam generating device 40 is heated by the heater section 42 of the steam generating device 40.
- a heating cooking operation is performed in which the steam is heated by the first steam heater 52 of the steam heating device 50 and supplied to the heating chamber 20.
- the steam supply to the heating chamber 20 can be quickly started up when the preheating operation is switched to the next cooking operation. Therefore, it is possible to realize a steam cooker with good cooking finish that can shorten the cooking time.
- the control device 80 determines that the steam generation reduction condition is satisfied and controls the heater unit 42 of the steam generator 40 to lower the steam generation amount of the steam generator 40 below the current steam generation amount.
- the temperature of the water in the steam generator 40 is increased by using, as the steam generation reduction condition, that the inside temperature of the heating chamber 20 becomes the target preheating temperature (first predetermined temperature) during the preheating operation.
- the temperature of the heating chamber 20 can be managed by the time from the steam generation start temperature (second predetermined temperature) to the target preheating temperature (first predetermined temperature), simplifying heater control of the steam generator 40 it can.
- FIG. 7 is a view for explaining the cooking process with preheating operation of the steam cooker according to the second embodiment of the present invention.
- the steam cooker according to the second embodiment controls the cooking process.
- the steam cooker has the same configuration as that of the first embodiment except for, and description thereof is omitted with the aid of FIGS.
- Fig. 7 (a) shows the change in the temperature (° C) in the heating chamber 20 during cooking
- Fig. 7 (b) shows the opening and closing of the door 12
- Fig. 7 (c) shows the steam.
- Figure 7 (d) shows the change in power (W) input to the generator 40 (heater unit 42)
- Figure 7 (d) shows the change in power (W) input to the steam heating device 50 (first steam heater 52). Show me! / The horizontal axis in Fig. 7 (a) to Fig. 7 (d) represents the heating time!
- the internal temperature in the heating chamber 20 gradually increases. Then, a second predetermined temperature (for example, 180 ° C) that is a steam generation start temperature that is lower than the first predetermined temperature (for example, 200 ° C) that is the target preheating temperature that is detected by the internal temperature sensor 81. If it becomes above, it will judge that the control apparatus 80 satisfy
- a second predetermined temperature for example, 180 ° C
- the first predetermined temperature for example, 200 ° C
- the control device 80 sets the steam generation reduction condition. Judge that it is satisfied. As a result, as shown in FIG. 7 (c), the input power to the heater section 42 of the steam generator 40 is lowered, so that the steam generation amount is lower than the current steam generation amount.
- the controller 80 determines that preheating has been completed, By controlling the first steam heater 52 of the device 50 on and off, the inside temperature of the heating chamber 20 is maintained at the first predetermined temperature.
- the preheating operation is switched to the next heating cooking operation.
- the steam supply to the heating chamber 20 can be quickly started up, and a steam cooker with good cooking finishing power that can shorten the cooking time can be realized.
- control device 80 determines that the steam generation reduction condition has been satisfied during the preheating operation
- the control device 80 controls the heater section 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the control device 80 controls the heater section 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the steam generation start temperature at which the internal temperature in the heating chamber 20 detected by the internal temperature sensor 81 during the preheating operation is lower than the target preheat temperature (first predetermined temperature).
- the controller 80 satisfies the conditions for starting steam generation. Therefore, steam is generated from the steam generator 40.
- the water in the pot 41 is heated by the heater section 42 of the steam generator 40 before the temperature in the heating chamber 20 reaches the target preheating temperature (before the preheating is completed).
- the water in the steam generator 40 can be kept warm.
- the steam generator 40 by using the condition that a predetermined time has passed since the water in the pot 41 is heated by the heater portion 42 of the steam generator 40 during the preheating operation, the steam generator 40
- the water warming condition can be controlled by time management, and the heater control of the steam generator 40 can be simplified.
- FIG. 8 is a view for explaining the cooking process with preheating operation of the steam cooker according to the third embodiment of the present invention.
- the steam cooker according to the third embodiment controls the cooking process.
- the steam cooker has the same configuration as that of the first embodiment except for, and description thereof is omitted with the aid of FIGS.
- Fig. 8 (a) shows the change in the temperature (° C) in the heating chamber 20 during cooking
- Fig. 8 (b) shows the opening and closing of the door 12
- Fig. 8 (c) shows the steam.
- Fig. 8 (d) shows the change in water temperature (° C) in the pot 41 of the generator 40
- Fig. 8 (d) shows the change in electric power (W) input to the steam generator 40 (heater unit 42).
- the horizontal axis in FIGS. 8 (a) to 8 (e) represents the heating time.
- the controller 80 determines that the preheating has been completed when the internal temperature of the heating chamber 20 reaches the first predetermined temperature, and the steam heating device The first steam heater 52 of 50 is controlled to be turned on and off to keep the inside temperature of the heating chamber 20 at the first predetermined temperature.
- the preheating operation is switched to the next heating cooking operation.
- the steam supply to the heating chamber 20 can be quickly started up, and a steam cooker with good cooking finishing power that can shorten the cooking time can be realized.
- control device 80 determines that the steam generation reduction condition has been satisfied in the preheating operation
- the control device 80 controls the heater unit 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the control device 80 controls the heater unit 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the steam generation start temperature at which the internal temperature in the heating chamber 20 detected by the internal temperature sensor 81 during the preheating operation is lower than the target preheat temperature (first predetermined temperature).
- the controller 80 determines that the steam generation start condition is satisfied, and generates steam from the steam generator 40.
- the water in the pot 41 is heated by the heater section 42 of the steam generator 40 before the temperature in the heating chamber 20 reaches the target preheating temperature (before the preheating is completed).
- the water in the steam generator 40 can be kept warm.
- the condition that the temperature in the water in the pot 41 is heated above the predetermined temperature by heating the water in the pot 41 by the heater portion 42 of the steam generator 40 during the preheating operation is a condition for reducing the steam generation
- the warming condition of the water in the steam generator 40 can be grasped and managed easily and reliably, and the heater control of the steam generator 40 can be performed more accurately.
- FIG. 9 is a diagram for explaining the cooking process with preheating operation of the steam cooker according to the fourth embodiment of the present invention.
- the steam cooker according to the fourth embodiment controls the cooking process.
- the steam cooker has the same configuration as that of the first embodiment except for, and description thereof is omitted with the aid of FIGS.
- Fig. 9 (a) shows the change in the temperature (° C) in the heating chamber 20 during cooking
- Fig. 9 (b) shows the opening and closing of the door 12
- Fig. 9 (c) shows the steam.
- Fig. 9 (d) shows the change in electric power (W) input to the generator 40 (heater unit 42)
- Fig. 9 (d) shows the change in electric power (W) input to the steam heating device 50 (first steam heater 52). Show me! / The horizontal axis in Fig. 9 (a) to Fig. 9 (d) represents the heating time!
- heating by the first steam heater 52 of the steam temperature raising device 50 is performed as shown in FIG. 9 (a).
- the temperature inside the chamber 20 gradually increases.
- a first predetermined temperature for example, 200 ° C.
- the control device 80 determines that the preheating has been completed, Judged that the steam generation start condition was satisfied. As a result, the control device 80 energizes the heater section 42 of the steam generator 40 and heats the water in the pot 41 by the heater section 42.
- the control device 80 sets the steam generation reduction condition. Judge that it is satisfied. As a result, as shown in FIG. 9 (c), the input power to the heater section 42 of the steam generator 40 is lowered, and the steam generation amount is reduced below the current steam generation amount. Further, when the steam generation reduction condition is satisfied, the control device 80 notifies the user that the preheating is completed.
- a predetermined time for example, 40 seconds to 60 seconds
- the controller 80 controls the first steam heater 52 of the steam temperature raising device 50 to be turned on and off to set the temperature inside the heating chamber 20 to the first predetermined temperature. Keep at temperature.
- the notification of the completion of the preheating is performed by displaying a preheating end message on the display unit 11A (shown in Fig. 4) of the operation panel 11 (shown in Fig. 1), and a buzzer (not shown) provided on the operation panel 11 ) To sound a signal.
- the steam generator during the preheating operation By heating the water in 40, the steam supply to the heating chamber 20 can be quickly started up when the preheating operation is switched to the next cooking operation, thereby reducing the cooking time.
- a steam cooker with good power can be realized.
- control device 80 determines that the steam generation reduction condition has been satisfied in the preheating operation
- the control device 80 controls the heater section 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the control device 80 controls the heater section 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the control device 80 sets the steam generation start condition. Therefore, steam is generated from the steam generator 40 by heating by the heater unit 42 of the steam generator 40. In this way, after the temperature in the heating chamber 20 reaches the target preheating temperature and the preheating is completed, the water in the pot 41 is heated by the heater section 42 of the steam generating device 40, so that the inside of the steam generating device 40 is heated. When the water is warmed, the temperature inside the heating chamber 20 is the target preheating temperature, and the operation can be immediately shifted to the heating operation.
- the steam generator 40 by using the condition that a predetermined time has passed since the water in the pot 41 is heated by the heater portion 42 of the steam generator 40 during the preheating operation, the steam generator 40
- the water warming condition can be controlled by time management, and the heater control of the steam generator 40 can be simplified.
- the control device 80 determines that the steam generation reduction condition is satisfied during the preheating operation, the user is notified by the display unit 11A and the buzzer that the preheating operation has been completed.
- the user can know without delay that the preheating operation has been completed.
- the user can improve the workability of cooking since the food that is the object to be heated is put into the heating chamber 20 and then the caro heat cooking operation is started.
- FIG. 10 is a diagram for explaining the cooking process with preheating operation of the steam cooker according to the fifth embodiment of the present invention.
- the steam cooker according to the fifth embodiment controls the cooking process. Except for the same configuration as the steam cooker of the first embodiment, refer to Figs. Therefore, the description is omitted.
- FIG. 10 (a) shows the change in the temperature (° C) in the heating chamber 20 during cooking
- FIG. 10 (b) shows the opening and closing of the door 12
- FIG. 10 (c) Fig. 10 (d) shows the change in water temperature (° C) in the pot 41 of the steam generator 40
- Fig. 10 (d) shows the change in electric power (W) input to the steam generator 40 (heater unit 42).
- e) shows the change in electric power (W) input to the steam temperature raising device 50 (first steam heater 52).
- the horizontal axis in Fig. 10 (a) to Fig. 10 (e) represents the heating time!
- the heating by the first steam heater 52 of the steam temperature raising device 50 is performed as shown in FIG. 10 (a).
- the temperature inside the chamber 20 gradually increases.
- a first predetermined temperature for example, 200 ° C.
- the control device 80 determines that the vapor generation start condition is satisfied.
- the control device 80 determines that preheating has been completed, energizes the heater portion 42 of the steam generating device 40, and heats the water in the pot 41 by the heater portion 42.
- the controller 80 controls the first steam heater 52 of the steam temperature raising device 50 to be turned on and off to set the temperature inside the heating chamber 20 to the first predetermined temperature. Keep at temperature.
- the notification of the completion of preheating is performed by displaying a preheating end message on the display unit 11A (shown in Fig. 4) of the operation panel 11 (shown in Fig. 1), and a buzzer provided on the operation panel 11 (not shown). ) To sound a signal.
- the preheating operation is switched to the next heating cooking operation.
- the steam supply to the heating chamber 20 can be quickly started, shortening the cooking time.
- a steam cooker with good cooking finish power can be realized.
- control device 80 determines that the steam generation reduction condition has been satisfied during the preheating operation
- the control device 80 controls the heater unit 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the control device 80 controls the heater unit 42 of the steam generation device 40 to control the steam generation amount of the steam generation device 40.
- the control device 80 Therefore, steam is generated from the steam generator 40 by heating by the heater unit 42 of the steam generator 40.
- the water in the pot 41 is heated by the heater section 42 of the steam generating device 40, so that the inside of the steam generating device 40 is heated.
- the temperature inside the heating chamber 20 is the target preheating temperature, and the operation can be immediately shifted to the heating operation.
- the condition that the temperature of the water in the pot 41 is heated above the predetermined temperature by heating the water in the pot 41 by the heater portion 42 of the steam generator 40 during the preheating operation is a condition for reducing the steam generation
- the control device 80 determines that the steam generation reduction condition is satisfied during the preheating operation, the user is notified by the display unit 11A and the buzzer that the preheating operation has ended.
- the user can know without delay that the preheating operation has been completed.
- the user can improve the workability of cooking since the food that is the object to be heated is put into the heating chamber 20 and then the caro heat cooking operation is started.
- the control device 80 determines that the steam generation reduction condition is satisfied during the preheating operation
- the user is notified that the preheating operation has ended (display unit 11A and
- the control device determines that the steam generation reduction condition is satisfied during the preheating operation
- the user is notified that the preheating operation has been completed by the notification means. You can notify me.
- the dew condensation water generated in the circulation path 60 is drained into the heating chamber 20 via the drainage path (drainage pipes 71 and 72). It is also possible to provide the drainage tank to drain the condensed water generated in the circulation path through the drainage path.
- the steam generator 40, the steam temperature raising device 50, and the circulation path 60 are provided, and the heated object is cooked by supplying superheated steam to the heating chamber 20.
- the steam cooker has been described.
- the steam generator that generates steam, the steam generator that generates water by heating water with the heater, and the object to be heated by the steam supplied from the steam generator The present invention can be applied to any steam cooker provided with a heating chamber for heating and a steam heating device for heating the heating chamber with a heater.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Electric Ovens (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/659,137 US8878105B2 (en) | 2004-08-02 | 2005-07-28 | Steam cooker |
EP05767357.6A EP1783430A4 (en) | 2004-08-02 | 2005-07-28 | Steam cooker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-225426 | 2004-08-02 | ||
JP2004225426A JP3781759B2 (ja) | 2004-08-02 | 2004-08-02 | 蒸気調理器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006013784A1 true WO2006013784A1 (ja) | 2006-02-09 |
Family
ID=35787072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013867 WO2006013784A1 (ja) | 2004-08-02 | 2005-07-28 | 蒸気調理器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8878105B2 (ja) |
EP (1) | EP1783430A4 (ja) |
JP (1) | JP3781759B2 (ja) |
KR (1) | KR100826336B1 (ja) |
CN (1) | CN100483031C (ja) |
WO (1) | WO2006013784A1 (ja) |
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CN103960960A (zh) * | 2014-04-18 | 2014-08-06 | 宁波方太厨具有限公司 | 一种双用蒸箱及其工作控制方法 |
CN103960960B (zh) * | 2014-04-18 | 2016-04-27 | 宁波方太厨具有限公司 | 一种双用蒸箱及其工作控制方法 |
CN114847751A (zh) * | 2022-05-05 | 2022-08-05 | 南京新骥厨具设备发展有限公司 | 一种组合蒸柜的温度控制方法、系统、设备及存储介质 |
CN114847751B (zh) * | 2022-05-05 | 2024-02-06 | 南京新骥厨具设备发展有限公司 | 一种组合蒸柜的温度控制方法、系统、设备及存储介质 |
CN114847764A (zh) * | 2022-05-13 | 2022-08-05 | 珠海格力电器股份有限公司 | 蒸汽烹饪设备的控制方法、装置和蒸汽烹饪设备 |
CN114847764B (zh) * | 2022-05-13 | 2023-12-26 | 珠海格力电器股份有限公司 | 蒸汽烹饪设备的控制方法、装置和蒸汽烹饪设备 |
Also Published As
Publication number | Publication date |
---|---|
JP2006046715A (ja) | 2006-02-16 |
CN1993585A (zh) | 2007-07-04 |
EP1783430A1 (en) | 2007-05-09 |
KR20070041731A (ko) | 2007-04-19 |
JP3781759B2 (ja) | 2006-05-31 |
US8878105B2 (en) | 2014-11-04 |
EP1783430A4 (en) | 2017-10-18 |
CN100483031C (zh) | 2009-04-29 |
KR100826336B1 (ko) | 2008-05-06 |
US20090007798A1 (en) | 2009-01-08 |
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