JP2002106958A - Battery driven bath boiler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To retain contents stored in a memory even when a battery is changed or power is turned off in a bath boiler driven by the battery. SOLUTION: A control board 11 of a bath boiler main body is provided with a nonvolatile memory 13 such as EEPROM or the like as well as microcomputer 12. When the bath boiler is operated by turning on a power source, the power source (battery 17) is turned on by closing a power shutoff circuit 16, and data in the memory 13 is transferred to a volatile memory (RAM) in the microcomputer 12. When the operation of the bath boiler is stopped, the data retained in the volatile memory in the microcomputer 12 is transferred to the memory 13 to store the data, and then the power is turned off by opening the power shutoff circuit 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery-operated bathtub driven by electric power supplied from a battery.

[0002]

2. Description of the Related Art Normally, electric power is supplied to a bath kettle body and its remote controller from a commercial power supply, but depending on the installation location, power may not be supplied from the commercial power supply. In such cases, use a battery-operated bath kettle,
A special battery storage box is installed, and power is supplied from the batteries in the battery storage box to the bath kettle body and the remote controller.

[0003] On the other hand, in a battery-operated bath kettle, data such as a reheating setting time set by a user after the installation is set, and history information such as an error code generated is recorded. It is stored in a volatile memory (RAM) of a microcomputer (hereinafter referred to as a microcomputer) mounted on a control board or the like in the shuttle main body.

For this reason, in the battery-operated bath kettle, the data stored in the volatile memory of the microcomputer is lost when the battery is replaced, and the data such as the additional heating setting time must be reset each time. did not become. For this reason, there is a problem that the operation of resetting the data due to the battery replacement is troublesome. In addition, if history information such as an occurrence error code disappears, checking the failure history at the time of repair may take time and effort for repair.

Further, in the case of a battery-operated bath kettle, it is necessary to keep the data in the volatile memory even when the operation is stopped, so that the power cannot be turned off. Therefore, although it is desired to reduce the frequency of battery replacement, there is a limit to the reduction in battery current consumption.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above prior art, and has as its object to be able to retain the stored contents of a memory even when replacing a battery or turning off the power. An object of the present invention is to provide a battery-operated bath kettle.

[0007]

DISCLOSURE OF THE INVENTION A battery-operated bath kettle according to claim 1 is a battery-operated bath kettle driven by a battery as a main power supply,
Power supply control means for energizing the power supply during the operation of the bathtub and storage means for storing and holding predetermined data in a power-off state when the operation is stopped are provided. As the storage means, a nonvolatile memory such as an EEPROM or a flash memory capable of holding data even when power is not supplied is used.

The battery-operated bath kettle according to the first aspect has a storage means for storing and holding predetermined data when the power is off when the operation is stopped, so that the predetermined data is stored even when the battery is replaced. It is possible to hold the data, and it is not necessary to store predetermined data in the storage means again after the battery is replaced.
Also, since predetermined data can be held in the storage means even when the power is turned off, the power can be turned off when the operation of the battery-powered bath kettle is stopped, and the consumption of the battery can be reduced.

In the battery-operated bath kettle according to the second aspect, the storage means in the battery-operated bath kettle according to the first aspect comprises:
The state history data during the operation of the bath kettle is stored.

In the battery-operated bath kettle according to the second aspect, the state history data at the time of the bath kettle operation is stored in the storage means. History data,
Maintenance inspections and repairs can be facilitated.

According to a third aspect of the present invention, there is provided a battery-operated bath kettle according to the first aspect,
Predetermined setting data relating to bath-cooker operation is stored.

In the battery-operated bath kettle according to the third aspect, since predetermined setting data relating to bath-kettle operation such as, for example, additional heating setting time is stored, the set data is stored even when the battery is replaced or the power is turned off. It is possible to save the data and save the trouble of inputting the setting data again after replacing the battery or when turning on the power.

According to a fourth aspect of the present invention, there is provided a battery-powered bath kettle comprising a display means for extracting and displaying data stored in the storage means in the battery-powered bath kettle according to the first aspect.

The battery-operated bath kettle according to the fourth aspect of the present invention is provided with display means for taking out and displaying the data stored in the storage means, so that the data is stored in the storage device at the time of, for example, maintenance or repair. The displayed data can be displayed on the display means for confirmation. In order to reduce the cost, it is preferable to use a display unit of a remote controller as the display unit.

According to a fifth aspect of the present invention, in the battery-operated bath kettle according to the second or third aspect, when the operation is stopped, the data is stored in the storage means before the power is turned off. The power supply is turned off after confirming the end of storage.

In the battery-operated bath kettle according to the fifth aspect, when the operation is stopped, the data is stored in the storage unit before the power is turned off, and the power is turned off after confirming the end of the storage. The data is stored in the storage device. Therefore, it is not necessary to manually save the data every time the power is turned off.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic view showing an installation state of a battery-operated bathtub according to an embodiment of the present invention. A remote controller (hereinafter, referred to as a remote controller) 2 is installed on an inner wall surface of the bathroom, and a battery storage box 3 is installed on an outdoor surface of an outer wall 1 of the house facing the remote controller 2, and a pipe embedded in the outer wall 1 of the bathroom. The remote control 2 and the battery storage box 3 are connected to each other by passing an electric wire 6 through the inside of the remote control 5.
In addition, the bath kettle body 4 is installed on the ground outdoors,
The bath kettle main body 4 and the battery storage box 3 are connected by an electric wire 7. Then, power is supplied from the batteries (dry batteries) in the battery storage box 3 to the remote controller 2 and the bathtub main body 4.

FIG. 2 is a diagram showing the configuration of the remote controller 2 and the control board 11 housed therein. Control board 11
Is a microcomputer (CPU) 12 for controlling the operation of the bath kettle body 4, a memory 13 for storing data when the power is turned off, and a solenoid valve for opening and closing a fuel (gas or the like) passage during operation. The circuit includes a peripheral circuit 14 such as a circuit, an input / output circuit 15, and a power cutoff circuit 16.

The memory 13 is composed of a writable nonvolatile memory, for example, an EEPROM or a flash memory, and bidirectionally exchanges data with a volatile memory (RAM; not shown) inside the microcomputer (CPU) 12. Can be transferred to The memory 13 stores data such as a set time of a reheating operation, a failure history, an operation state history, and the like when the power of the battery-powered bath kettle is shut off. I / O circuit 1
Reference numeral 5 denotes an interface circuit for connecting the control board 11 to the display unit 19 and the switch operation unit 20 of the remote controller 2. The battery (dry battery) 17 in the battery storage box 3 is
The power cutoff circuit 16 is connected to the power cutoff circuit 16.
(Battery) 17 through a microcomputer (CPU) 1
2, the memory 13, the display unit 19, and the like. The power cutoff circuit 16 includes the switch operation unit 2
When the reset type operation switch 18 of 0 is pushed and turned on, the power is turned on, and even when the operation switch 18 is turned off, the power cutoff circuit 16 is maintained in the power-on state. After the operation switch 18 is pressed and the bath kettle body 4 starts the reheating operation, when the reheating operation ends after a predetermined period of time, the power cutoff circuit 16 is turned off, and the power supply from the battery 17 is stopped. Stopped. The display unit 19 of the remote controller 2 is a display unit including a liquid crystal display panel or the like.

Thus, in this battery-powered bath kettle, the reheating operation is performed as follows. When the operation switch 18 of the remote controller 2 installed in the bathroom is pressed and turned on, the power cutoff circuit 16 is closed, and power is supplied from the battery 17 to the microcomputer (CPU) 12, the memory 13, the display unit 19, and the like. Is turned off, the power cutoff circuit 16 is kept closed. Next, the data such as the reheating setting time stored in the memory 13 is transferred by the microcomputer 12 to the internal volatile memory.
The microcomputer 12 controls the bath kettle body 4 to start the reheating operation, and sets the reheating setting time included in the data transferred to the volatile memory to the data portion of the reheating timer programmed in the microcomputer 12 in advance. set.

When the reheating timer counts up after the reheating set time has elapsed, the microcomputer 12 outputs a combustion stop signal to the peripheral circuit 14, and the solenoid valve (not shown) in the bath kettle main body 4 turns the fuel passage. Then, the reheating operation by the bath kettle body 4 is stopped, and the data inside the microcomputer 12 is transferred to the memory 13 and stored in the memory 13. At this time, the data stored in the memory 13 includes not only setting data such as a reheating setting time and the like, but also failure history data such as a new failure or an operation failure occurring during operation. Next, after performing a predetermined end process, the microcomputer 12 opens the power cutoff circuit 16 and stops the power supply from the battery 17.

Accordingly, the power supply is cut off when the operation is stopped, and the consumption of the battery 17 can be reduced as much as possible. By performing the battery replacement in this state, it is possible to prevent the loss of data such as the reheating setting time and the failure history. When the operation switch 18 is turned on again,
Since the power supply shutoff circuit 16 is closed and the power supply is turned on, and the data in the memory 13 is transferred to the volatile memory inside the microcomputer 12, the bathtub main body 4 can be returned to the state before the power supply was shut off.

The display section 19 of the remote controller 2 can display data such as a failure history as needed.
By checking the failure history and the like displayed on the display unit 19, maintenance inspection and repair can be easily performed in a short time.

[0024]

【The invention's effect】

In the battery-operated bath kettle according to the first aspect, the predetermined data can be stored and held when the power is turned off, so that the predetermined data can be held even when the battery is replaced. It is not necessary to store the predetermined data in the storage means again later. Also, since predetermined data can be held in the storage means even when the power is turned off, the power can be turned off when the operation of the battery-powered bath kettle is stopped, and the consumption of the battery can be reduced.

In the battery-operated bath kettle according to the second aspect, since the state history data at the time of operation of the bath kettle is stored even in the power-off state, malfunctions and operating conditions such as when the battery is replaced or the power is turned off are stored. State history data can be held, and maintenance and inspection, repair, and the like can be facilitated.

In the battery-operated bath oven according to the third aspect, even when the power is off, predetermined setting data relating to the operation of the bath oven, such as a set time for additional heating, is stored. Can save the setting data, and can save the trouble of inputting the setting data again after the battery is replaced or when the power is turned on.

According to the fourth aspect of the present invention, since the data stored in the storage means can be taken out and displayed, the data stored in the storage device can be used, for example, at the time of maintenance or repair. The information can be displayed on the display means for confirmation.

In the battery-powered bath according to the fifth aspect, when the operation is stopped, the data is stored in the storage means before the power is turned off, and the power is turned off after confirming the end of the storage. The data is saved in the storage device, and it is not necessary to manually save the data every time the power is turned off.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a state in which a battery-operated bath kettle according to an embodiment of the present invention is installed near a bathroom.

FIG. 2 is a circuit configuration diagram showing a configuration of a control board and a remote controller in a bathtub main body in the battery-powered bathtub.

[Explanation of symbols]

 2 Remote control 3 Battery storage box 4 Bath pot body 11 Control board 12 Microcomputer 13 Memory 16 Power cutoff circuit 17 Battery 19 Display

Continued on the front page (72) Inventor Takeshi Yoshida 93, Edo-cho, Chuo-ku, Kobe-shi, Hyogo Prefecture F-term in Noritz Co., Ltd. 2D005 FA00 3L024 CC05 CC06 EE02 EE11 EE12 FF02 FF04 FF05 FF11 FF15 HH22

Claims (5)

[Claims] 1. A battery-powered bath cooker driven by a battery as a main power supply, comprising: a power supply control means for turning on a power supply during operation of the bath cooker; and a storage means for storing and holding predetermined data in a power-off state when the operation is stopped. A battery-operated bath kettle characterized by having a. 2. The battery-powered bath kettle according to claim 1, wherein the storage means stores state history data at the time of bath kettle operation. 3. The battery-powered bath kettle according to claim 1, wherein the storage means stores predetermined setting data relating to bath kettle operation. 4. The battery-powered bath kettle according to claim 1, further comprising display means for taking out and displaying data stored in said storage means. 5. When the operation is stopped, the data is stored in the storage unit before the power is turned off, and the power is turned off after confirming the end of the storage.
The battery-operated bath kettle according to claim 2.