Noodle boiling apparatus

Abstract

To provide a noodle boiling apparatus capable of reducing running cost while maintaining quality of noodle boiling.SOLUTION: A noodle boiling apparatus includes: a heater 21 that heats water stored in a hot water tank for boiling noodle; an operation switch 130 operated at the time of noodle boiling; and a control function that performs timer control of gradually decreasing intensity of heating by the heater 21 according to time elapsed from a time point at which the operation switch 130 is operated.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a noodle boiler. [Background technology]

[0002] Conventionally, noodle boilers that boil noodles by switching the heating power between a first heating power and a second heating power that is smaller than the first heating power have been widely known. For example, Patent Document 1 discloses a technology that prevents the noodles from being overcooked by changing only the first heating power of the first and second heating powers when an instruction to change the heating power is given during the noodle boiling process. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-234929 Summary of the Invention [Problem to be solved by the invention]

[0004] When boiling noodles, if the heating power is set high to take into account the drop in water temperature in the water bath when the noodles are added, the noodles can be boiled more accurately, but there is a problem in that the running costs of the noodle boiler increase.

[0005] The present invention has been made in consideration of the above circumstances, and its purpose is to provide a noodle boiler that can reduce running costs while maintaining the quality of noodle boiling. [Means for solving the problem]

[0006] A noodle boiler that solves the above problem comprises a heating unit that heats the water contained in a water bath in which the noodles are boiled, an operating unit that is operated when boiling the noodles, and a control function that performs timer control to gradually reduce the intensity of heating by the heating unit depending on the elapsed time from the time the operating unit is operated. [Effects of the Invention]

[0007] According to the present invention, it is possible to reduce running costs while maintaining the quality of boiled noodles. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a schematic diagram showing the general configuration of a noodle boiler according to an embodiment of the present invention. FIG. [Figure 2] FIG. 2 is a block diagram showing the control configuration of the noodle boiler of the present embodiment. [Figure 3] 1 is a timing chart showing the processing flow of the noodle boiler of the present embodiment. [Figure 4] 10 is a flowchart showing the contents of a boiling cooking process. [Figure 5] 10 is a flowchart showing the contents of cooking control. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, one embodiment of a noodle boiler will be described with reference to the drawings.

[0010] As shown in FIG. 1, the noodle boiler 10 of this embodiment includes, for example, a hot water tub 11, a water supply pipe 12, a first constant flow valve 13, a second constant flow valve 14, a first solenoid valve 15, a second solenoid valve 16, a drain pipe 17, a drain valve 18, an overflow pipe 19, a heat exchanger 20, and a heater 21.

[0011] The water bath 11 is used, for example, to boil noodles.

[0012] Water supply pipe 12 opens above hot water tub 11, and water flows through it to be supplied to hot water tub 11. The upstream portion of water supply pipe 12 branches into two branch pipes 12A and 12B, one of which, branch pipe 12A, is provided with a first constant flow valve 13 and a first solenoid valve 15, and the other branch pipe 12B is provided with a second constant flow valve 14 and a second solenoid valve 16.

[0013] The first constant flow valve 13 and the second constant flow valve 14 are configured to allow a preset constant flow rate of water to flow into the corresponding branch pipes 12A, 12B of the water supply pipe 12. The first constant flow valve 13 and the second constant flow valve 14 have a common configuration, and are configured so that the flow rate of water to be flowed into the corresponding branch pipes 12A, 12B of the water supply pipe 12 is also the same.

[0014] As the first solenoid valve 15 and the second solenoid valve 16 open, they switch between allowing and not allowing water to flow through the corresponding branch pipes 12A and 12B of the water supply pipe 12. Based on the opening and closing operations of the first solenoid valve 15 and the second solenoid valve 16, the flow rate of water flowing through the water supply pipe 12 is switched in stages.

[0015] Specifically, when both the first solenoid valve 15 and the second solenoid valve 16 are in an open state, the first constant flow valve 13 and the second constant flow valve 14 cause a constant flow of water to flow through the corresponding branch pipes 12A, 12B of the water supply pipe 12. Then, the flow rate of water flowing through the downstream portion of the water supply pipe 12 is set by merging the water flowing through the branch pipes 12A, 12B.

[0016] Furthermore, when the first solenoid valve 15 and the second solenoid valve 16 are in an open state and the second solenoid valve 16 is in a closed state, the first constant flow valve 13 allows a constant flow of water to flow into the corresponding branch pipe 12A of the water supply pipe 12, while the second constant flow valve 14 does not allow water to flow into the corresponding branch pipe 12B of the water supply pipe 12. Then, the flow rate of water to flow into the downstream portion of the water supply pipe 12 is set by transferring the water flowing through the branch pipes 12A and 12B to the downstream portion of the water supply pipe 12.

[0017] Furthermore, when both the first solenoid valve 15 and the second solenoid valve 16 are in a closed state, the first constant flow valve 13 and the second constant flow valve 14 do not allow water to flow into the corresponding branch pipes 12A, 12B of the water supply pipe 12. This stops the flow of water in the downstream portion of the water supply pipe 12.

[0018] The drain pipe 17 is connected to the bottom of the hot water tub 11, and allows water to flow out of the hot water tub 11.

[0019] Drain valve 18 is provided midway along drain pipe 17 and adjusts the flow rate of water flowing through drain pipe 17. Drain valve 18 drains water from hot water tub 11 during or after the noodles are boiled. Drain valve 18 drains water from hot water tub 11, for example, to replace the water stored in hot water tub 11, or when noodle boiler 10 stops operating and the noodles are finished boiling.

[0020] The overflow pipe 19 is connected to the side of the hot water tub 11, and when the water level in the hot water tub 11 reaches a certain level or higher, it drains water from the hot water tub 11 to prevent the water from overflowing from the hot water tub 11.

[0021] Heat exchanger 20 has a hollow box shape. Heat exchanger 20 is provided midway along overflow pipe 19 and stores water heated in the hot water tank. A portion of heat exchanger 20 is disposed inside expanded portion 12C of water supply pipe 12, where the opening area is expanded. Water flowing through water supply pipe 12 is heated using the residual heat of the water heated in hot water tank 11 as it passes through expanded portion 12C of water supply pipe 12.

[0022] The heater 21 is an example of a heating unit, and is provided inside the hot water tank 11 and is used to heat the water supplied to the hot water tank 11 to boil it.

[0023] Next, the control configuration of the noodle boiler 10 of this embodiment will be described.

[0024] As shown in FIG. 2, the control device 100 of the noodle boiler 10 includes, for example, a mode setting unit 110 and a cooking control unit 120. The mode setting unit 110 and the cooking control unit 120 are realized by a hardware processor, such as a central processing unit (CPU), executing a program (software). Some or all of these components may be realized by hardware (including circuitry), such as a large-scale integration (LSI), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a graphics processing unit (GPU), or may be realized by a combination of software and hardware. The program may be stored in advance in a computer-readable storage device, such as a hard disk drive (HDD) or flash memory, of the control device 100, or may be stored on a removable computer-readable storage medium, such as a DVD or CD-ROM, and installed in the HDD or flash memory of the control device 100 by inserting the computer-readable storage medium into a drive device.

[0025] The mode setting unit 110 switches the noodle boiling mode based on the operation of the operation switch 130. For example, the mode setting unit 110 may switch the noodle boiling mode between a standby mode, which is an example of a first mode, and an execution mode, which is an example of a second mode in which the heating intensity by the heater 21 is stronger than in the standby mode. The standby mode is a mode that reduces the energy consumption of the noodle boiler 10. The execution mode is a mode that maintains the quality of the boiling by suppressing a drop in the water temperature during noodle boiling.

[0026] The cooking control unit 120 controls the heater 21 and controls the heating of the water bath 11 during noodle boiling. The cooking control unit 120 has a control function that performs timer control to gradually reduce the heating intensity of the heater 21 according to the elapsed time from when the noodle boiling mode was set to the execution mode. For example, the cooking control unit 120 may control the heating intensity of the heater 21 to a first intensity when the noodle boiling mode was set to the execution mode, and may control the heating intensity of the heater 21 to a second intensity that is lower than the first intensity when a first threshold time has elapsed since the noodle boiling mode was set to the execution mode. For example, the cooking control unit 120 may control the heating intensity of the heater 21 to a third intensity that is lower than the second intensity when a second threshold time that is longer than the first threshold time has elapsed since the noodle boiling mode was set to the execution mode.

[0027] During noodle boiling, cooking control unit 120 controls the opening and closing of first solenoid valve 15 and second solenoid valve 16 to control the supply of water to hot water tub 11. For example, when the noodle boiling mode is set to the execution mode, cooking control unit 120 may close first solenoid valve 15 and second solenoid valve 16 to stop the supply of water to hot water tub 11. For example, cooking control unit 120 may stop the supply of water to hot water tub 11 when the noodle boiling mode is set to the execution mode, and then open first solenoid valve 15 and second solenoid valve 16 to resume the supply of water to hot water tub 11 at the first flow rate when a first threshold time has elapsed since the noodle boiling mode was set to the execution mode and the heating intensity by heater 21 has been controlled at the second intensity. For example, immediately after restarting the supply of water to the hot water tub 11, the cooking control unit 120 may control the flow rate of the water supply to a first flow rate, and when a second threshold time has elapsed since the noodle boiling cooking mode was set to the execution mode and the heating intensity by the heater 21 has been controlled to a third intensity, open the first solenoid valve 15 and close the second solenoid valve 16, thereby controlling the flow rate of the water supply to a second flow rate that is smaller than the first flow rate.

[0028] Next, the processing flow of the noodle boiler 10 of this embodiment will be described with reference to the drawings.

[0029] In the preparation mode before starting to boil the noodles, the noodle boiler 10 sets the heating intensity of the heater 21 to "zero (0)" and the water supply flow rate to the hot water tub 11 to "zero (0)" based on the user's operation.

[0030] Next, at time t1, when the heating intensity by the heater 21 is set to "100%" based on the user's operation, the water temperature starts to rise.

[0031] Next, at time t2, when the water temperature reaches the boiling point (e.g., 100°C), based on the user's operation, the heating intensity by the heater 21 is set to "60%" in standby mode, and the water temperature gradually decreases until it reaches the equilibrium temperature.

[0032] Next, at time t3, when the operation switch 130 is operated, the control device 100 starts the noodle boiling process in the execution mode. At this time, the control device 100 sets the heating intensity by the heater 21 to "100%" (corresponding to the first intensity) and stops the supply of water to the hot water tub 11, so that the temperature of the water in the hot water tub 11 begins to rise.

[0033] Then, at time t4, when the temperature of the water in the hot water tub 11 reaches the boiling point, the control device 100 sets the heating intensity by the heater 21 to "80%" (corresponding to the second intensity). At this time, the control device 100 resumes supplying water to the hot water tub 11 and increases the water supply flow rate to the hot water tub 11 to "X2" (corresponding to the first flow rate), but the temperature of the water in the hot water tub 11 is maintained at the boiling point.

[0034] Then, at time t5, when a predetermined time has elapsed since the control device 100 set the heating intensity of the heater 21 to "80%," the control device 100 switches the noodle boiling mode from the execution mode to the standby mode and sets the heating intensity of the heater 21 to "60%" (corresponding to the third intensity). At this time, the control device 100 reduces the water supply flow rate to the hot water tub 11 to "X1" (corresponding to the second flow rate), but the temperature of the water in the hot water tub 11 gradually decreases until it reaches the equilibrium temperature.

[0035] Next, the cooking process executed by the control device 100 of the noodle boiler 10 of this embodiment will be described with reference to the flowcharts shown in Figures 4 and 5. The flowcharts shown in Figures 4 and 5 are executed, for example, when the operation of the noodle boiler 10 is started.

[0036] As shown in FIG. 4, the mode setting unit 110 first sets the noodle boiling cooking mode to the standby mode (step S100).

[0037] Next, the cooking control unit 120 executes heating by the heater 21 (step S200).

[0038] Next, the cooking control unit 120 supplies water (step S300).

[0039] Next, the mode setting unit 110 determines whether the operation switch 130 has been operated (step S400). When the mode setting unit 110 determines that the operation switch 130 has not been operated (step S400=NO), the mode setting unit 110 continues heating and water supply by the heater 21 until the operation switch 130 is operated.

[0040] On the other hand, when the mode setting unit 110 determines that the operation switch 130 has been operated (step S400=YES), it sets the noodle boiling cooking mode to the execution mode (step S500).

[0041] Next, the cooking control unit 120 executes cooking control (step S600).

[0042] Specifically, as shown in FIG. 5, cooking control unit 120 first controls first electromagnetic valve 15 and second electromagnetic valve 16 to stop the supply of water to hot water tub 11 (step S610).

[0043] Next, the cooking control unit 120 sets the heating intensity of the heater 21 to the first intensity (step S620).

[0044] Next, the cooking control unit 120 determines whether or not a first threshold time has elapsed since the operation switch 130 was operated (step S630).

[0045] When the cooking control unit 120 determines that the first threshold time has not elapsed since the operation switch 130 was operated (step S630=NO), the cooking control unit 120 continues heating by the heater 21 until the first threshold time has elapsed since the operation switch 130 was operated.

[0046] On the other hand, when the cooking control unit 120 determines that the first threshold time has elapsed since the operation switch 130 was operated (step S630 = YES), it sets the water supply flow rate to the hot water tub 11 to the first flow rate (step S640).

[0047] Next, the cooking control unit 120 sets the heating intensity of the heater 21 to the second intensity (step S650).

[0048] Next, the cooking control unit 120 determines whether the second threshold time has elapsed since the operation switch 130 was operated (step S660). If the cooking control unit 120 determines that the second threshold time has not elapsed since the operation switch 130 was operated (step S660=NO), the cooking control unit 120 continues heating by the heater 21 until the second threshold time has elapsed since the operation switch 130 was operated.

[0049] On the other hand, when the cooking control unit 120 determines that the second threshold time has elapsed since the operation switch 130 was operated (step S660 = YES), it controls the first solenoid valve 15 and the second solenoid valve 16 to set the water supply flow rate to the hot water tub 11 to the second flow rate (step S670).

[0050] Thereafter, the cooking control unit 120 sets the heating intensity of the heater 21 to the third intensity (step S680), and ends the cooking control shown in FIG.

[0051] Next, returning to Fig. 4, the cooking control unit 120 determines whether or not to terminate the operation of the noodle boiler 10 (step S700). If the cooking control unit 120 determines not to terminate the operation of the noodle boiler 10 (step S700 = NO), the process returns to step S100 and repeats steps S100 to S700 until the operation of the noodle boiler 10 is terminated. Note that if the operation switch 130 is operated during the cooking control shown in step S600, the cooking control unit 120 interrupts the cooking control and resumes the initial process.

[0052] On the other hand, when the cooking control unit 120 determines that the operation of the noodle boiler 10 should be ended (step S700=YES), the cooking process shown in FIG. 4 is ended.

[0053] Next, the operation of the noodle boiler 10 of this embodiment will be described.

[0054] When cooking ingredients, if the heating by heater 21 is insufficient immediately after the noodles are placed in hot water bath 11, the temperature of the water in hot water bath 11 will temporarily drop as heat is transferred to the noodles, which could result in a decrease in the quality of the boiled noodles.

[0055] In this regard, in the noodle boiler 10 of this embodiment, immediately after the noodle boiling mode is switched from standby mode to execution mode and the noodles are placed in the hot water tank 11, the heating intensity by the heater 21 is set to a relatively high first intensity, thereby preventing the temperature of the water in the hot water tank 11 from decreasing and maintaining the quality of the noodle boiling.

[0056] In particular, in the noodle boiler 10 of this embodiment, when the noodle boiling mode is switched from standby mode to execution mode, the supply of water to the hot water tank 11 is stopped, which further prevents the temperature of the water in the hot water tank 11 from decreasing, thereby more accurately maintaining the quality of the noodle boiling.

[0057] Then, when the first threshold time has elapsed since the noodle boiling mode was set to the execution mode, the heating intensity of heater 21 is set to a second intensity, which is a relatively low intensity. In this case, because sufficient heat is transmitted to the noodles in hot water tub 11, even if the heating intensity of heater 21 is reduced, the temperature of the water in hot water tub 11 is maintained, and the quality of the noodle boiling is also maintained. Furthermore, the running costs of noodle boiler 10 are reduced by the amount that the heating intensity of heater 21 is reduced.

[0058] In particular, in the noodle boiler 10 of this embodiment, the flow rate of water supplied to the hot water tank 11 is set to a first flow rate, which is a relatively large flow rate, once a first threshold time has elapsed since the noodle boiling mode was set to the execution mode, thereby reducing the concentration of salt in the hot water tank 11 that has dissolved from the noodles. At this time, because sufficient heat has been transferred to the noodles in the hot water tank 11, even if the flow rate of water supplied to the hot water tank 11 is set to a relatively large flow rate, the decrease in the temperature of the water in the hot water tank 11 is suppressed, and the quality of the noodle boiling is maintained.

[0059] Furthermore, by reducing the heating intensity of the heater 21 to the third intensity when the second threshold time has elapsed since the noodle boiling mode was set to the execution mode, the running costs of the noodle boiler 10 can be further reduced. Furthermore, by setting the water temperature in standby mode to a temperature that can sufficiently boil the noodles, the heating intensity can be reduced to the third intensity quickly when the heating intensity of the heater 21 is further reduced when the second threshold time has elapsed since the noodle boiling mode was set to the execution mode.

[0060] The above embodiment can also be implemented in the following manner.

[0061] In the above embodiment, the flow rate of water supply is reduced from the first flow rate to the second flow rate when the second threshold time has elapsed since the noodle boiling mode was set to the execution mode. However, the trigger for reducing the flow rate of water supply to hot water tub 11 is not limited to the elapsed time since the noodle boiling mode was set to the execution mode, and other parameters such as the water level or temperature in hot water tub 11 can also be used.

[0062] In the above embodiment, the supply of water to hot water tub 11 is stopped when the noodle boiling mode is set to execution mode, and the supply of water to hot water tub 11 is resumed when a first threshold time has elapsed since the noodle boiling mode was set to execution mode. However, the trigger for resuming the supply of water to hot water tub 11 is not limited to the elapsed time since the noodle boiling mode was set to execution mode, and other parameters such as the temperature of the water in hot water tub 11 or the water level in hot water tub 11 can also be used.

[0063] In the above embodiment, the heating intensity of heater 21 is set to a third intensity, which is lower than the second intensity, on the condition that a second threshold time has elapsed since the noodle boiling mode was set to the execution mode. However, the trigger for reducing the heating intensity of heater 21 from the second intensity to the third intensity is not limited to the elapsed time since the noodle boiling mode was set to the execution mode, and other parameters, such as the temperature of the water in hot water tank 11, can also be used.

[0064] In the above embodiment, the heating intensity of heater 21 is reduced from the first intensity to the second intensity on the condition that a first threshold time has elapsed since the noodle boiling mode was set to the execution mode. However, the trigger for reducing the heating intensity of heater 21 from the first intensity to the second intensity is not limited to the elapsed time since the noodle boiling mode was set to the execution mode, and other parameters, such as the temperature of the water in hot water tank 11, can also be used.

[0065] In the above embodiment, the heater 21 is used as the heating unit that heats the water in the hot water tank 11. Alternatively, a gas stove may be used as the noodle boiler 10, and a gas burner may be used as the heating unit that heats the water in the hot water tank 11.

[0066] The above-described embodiments are intended to facilitate understanding of the present invention and are not intended to limit the scope of the present invention. The present invention may be modified or improved without departing from its spirit, and equivalents are also included within the scope of the present invention. In other words, designs modified by those skilled in the art as appropriate are also encompassed within the scope of the present invention as long as they incorporate the characteristics of the present invention. For example, the elements of the embodiments, as well as their arrangement, materials, conditions, shape, size, etc., are not limited to those exemplified and can be modified as appropriate. Furthermore, the elements of the embodiments can be combined to the extent technically possible, and such combinations are also encompassed within the scope of the present invention as long as they incorporate the characteristics of the present invention.

[0067] Next, the technical ideas that can be understood from the above-described embodiment and modifications will be described below. [Appendix 1] a heating unit that heats water contained in a water bath for boiling noodles; an operating unit that is operated when boiling noodles; a control function that performs timer control to gradually reduce the intensity of heating by the heating unit according to the elapsed time from the time when the operating unit is operated; Equipped with Noodle boiler.

[0068] With this configuration, immediately after noodle boiling begins, the heating intensity of the heating unit is set relatively high, preventing the water temperature in the water bath from decreasing as the noodles are boiled. Meanwhile, once a certain amount of time has passed since noodle boiling began and the water temperature in the water bath has stabilized, the heating intensity of the heating unit is gradually reduced over time, thereby reducing the running costs of the noodle boiler. This allows the running costs of the noodle boiler to be reduced while maintaining the quality of the noodle boiling.

[0069] [Appendix 2] The control function controls the intensity of heating by the heating unit at a first intensity when the operation unit is operated, and controls the intensity of heating by the heating unit at a second intensity lower than the first intensity on the condition that a first threshold time has elapsed since the operation unit was operated. A noodle boiler as described in Appendix 1.

[0070] According to the above configuration, when the first threshold time has elapsed since the start of noodle boiling and the water temperature inside the water tub has stabilized, the intensity of heating by the heating unit can be reduced, thereby reducing the running costs of the noodle boiler.

[0071] [Appendix 3] the control function controls the intensity of heating by the heating unit to a third intensity that is smaller than the second intensity, on condition that a second threshold time that is longer than the first threshold time has elapsed since the time the operation unit was operated. A noodle boiler as described in Appendix 2.

[0072] According to the above configuration, even if the second threshold time has elapsed since the start of noodle boiling and the noodles are still being boiled, the intensity of heating by the heating unit can be further reduced, thereby reducing the running costs of the noodle boiler.

[0073] [Appendix 4] The control function stops the supply of water to the hot water tub when the operation unit is operated, and resumes the supply of water to the hot water tub at a first flow rate on the condition that the heating intensity by the heating unit is controlled to the second intensity. A noodle boiler as described in Appendix 2 or 3.

[0074] According to the above configuration, immediately after the start of noodle boiling, the supply of water to the hot water tub is stopped, thereby further suppressing the decrease in water temperature inside the hot water tub that accompanies noodle boiling. On the other hand, once the first threshold time has elapsed since the start of noodle boiling and the water temperature inside the hot water tub has stabilized, the supply of water to the hot water tub is resumed, thereby suppressing the decrease in water volume that accompanies evaporation inside the hot water tub and maintaining the quality of noodle boiling.

[0075] [Appendix 5] The control function controls the flow rate of the water supply to the hot water tub to a first flow rate immediately after the water supply to the hot water tub is resumed, and controls the flow rate of the water supply to a second flow rate smaller than the first flow rate on the condition that the heating intensity by the heating unit has been controlled to the third intensity. Noodle boiler as described in Appendix 4

[0076] According to the above configuration, even during boiling of noodles, the flow rate of the water supply can be reduced from the first flow rate to the second flow rate, thereby reducing the intensity of heating by the heating unit to maintain the water temperature inside the hot water tub, thereby reducing the running costs of the noodle boiler. [Explanation of symbols]

[0077] 10...noodle boiler, 11...water tank, 12...water supply pipe, 12A...branch pipe, 12B...branch pipe, 12C...expansion section, 13...first constant flow valve, 14...second constant flow valve, 15...first solenoid valve, 16...second solenoid valve, 17...drain pipe, 18...drain valve, 19...overflow pipe, 20...heat exchanger, 21...heater, 100...control device, 110...mode setting section, 120...cooking control section, 130...operation switch.

Claims

1. a heating unit that heats water contained in a water bath for boiling noodles; an operating unit that is operated when boiling noodles; a control function that performs timer control to gradually reduce the intensity of heating by the heating unit according to the elapsed time from the time when the operating unit is operated; Equipped with Noodle boiler.

2. the control function controls the intensity of heating by the heating unit at a first intensity when the operation unit is operated, and controls the intensity of heating by the heating unit at a second intensity lower than the first intensity on the condition that a first threshold time has elapsed since the operation unit was operated. The noodle boiler according to claim 1.

3. the control function controls the intensity of heating by the heating unit to a third intensity that is smaller than the second intensity, on condition that a second threshold time that is longer than the first threshold time has elapsed since the time the operation unit was operated. The noodle boiler according to claim 2.

4. The control function stops the supply of water to the hot water tub when the operating unit is operated, and resumes the supply of water to the hot water tub at a first flow rate on the condition that the heating intensity by the heating unit has been controlled to the second intensity. The noodle boiler according to claim 3.

5. The control function controls the flow rate of the water supply to the hot water tub to a first flow rate immediately after the water supply to the hot water tub is resumed, and controls the flow rate of the water supply to a second flow rate smaller than the first flow rate on the condition that the heating intensity by the heating unit has been controlled to the third intensity. The noodle boiler according to claim 4.

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