JP2006010235A - Control device of water heater - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve safety and easiness-to-use, by giving priority to a change in the preset temperature in a bathroom remote controller, by detecting the existence of user of a bathroom shower. <P>SOLUTION: This control device has a water heater body 1 operated by a plurality of remote controllers 4 including the bathroom remote controller 3, the bathroom shower using hot water supplied from the water heater body 1, and a flowing water detector 7 for detecting the existence of the user of the bathroom shower. A flowing water detecting signal of the flowing water detector 7 is received by the bathroom remote controller 3. When the bathroom remote controller 3 determines that there is the user of the bathroom shower by the flowing water detecting signal, a change in the setting of the hot water supply temperature by a remote controller except for the bathroom remote controller is prohibited. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to control of hot water supply temperature setting of a water heater remote controller.

  Conventionally, the temperature setting control of this type of water heater is such that priority is not transferred while hot water is being used, and the temperature setting cannot be changed by a remote controller without priority (see, for example, Patent Document 1).

FIG. 4 is a flowchart of temperature setting control of a conventional water heater. As shown in FIG. 4, if hot water is being used when there is a priority movement operation, priority rights are not transferred.
JP 7-260250 A

  However, in the conventional configuration, by setting priority among a plurality of remote controllers, the hot water supply body is controlled using the hot water supply temperature set by the remote controller with priority, so the remote controller without priority The set temperature could not be changed at, and there was a problem of poor usability.

  The present invention solves the above-mentioned conventional problems, and by giving the priority of changing the set temperature in the bathroom remote controller by detecting whether or not the bathroom shower is used, it is intended to improve safety and usability. It is intended.

  In order to solve the conventional problem, a water heater of the present invention includes a water heater body operated by a plurality of remote controllers including a bathroom remote controller, a bathroom shower using hot water supplied from the water heater body, It has a running water detector that detects whether or not a bathroom shower is used, the running water detection signal of the running water detector is received by the bathroom remote control, and the bathroom remote control determines that the bathroom shower is used from the running water detection signal. Changing the hot water temperature setting with a remote controller other than is prohibited.

  As a result, it is possible to increase the safety without changing the set temperature outside the place of use while using the shower, and it is possible to change the set temperature with a remote control other than the bathroom remote control when not using the shower. Therefore, usability can be improved.

  The control device for the hot water heater of the present invention increases safety by preventing the setting temperature from being changed by a device other than the bathroom remote controller while using the shower. Usability can be improved by making the change possible.

  A first aspect of the present invention is a water heater body operated by a plurality of remote controllers including a bathroom remote controller, a bathroom shower using hot water supplied from the water heater body, and a running water detector for detecting whether or not the bathroom shower is used. The water flow detection signal of the water flow detector is received by the bathroom remote control, and when the bathroom remote control determines that the bathroom shower is used from the water flow detection signal, the hot water temperature setting is changed by a remote control other than the bathroom remote control. It is characterized by prohibition, and safety is improved by preventing the set temperature from being changed except for the bathroom remote control while using the shower, and hot water is used in places other than the bathroom shower. Can improve the usability by making it possible to change the set temperature.

  In the second aspect of the invention, when the bathroom remote controller determines that the bathroom shower is in use from the running water detection signal, or after detecting that the bathroom shower is not used, the predetermined time t is changed in the hot water supply temperature setting in the remote controller other than the bathroom remote controller. It is characterized by the fact that the set temperature can be changed only with the bathroom remote control for a predetermined time after the shower is stopped, as well as during shower use, so that safety is further improved. be able to.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a system configuration diagram of a water heater according to Embodiment 1 of the present invention.

  In FIG. 1, the bathroom remote controller 3 and the kitchen remote controller 4 are provided with operation means 5 that can be remotely controlled such as set temperature and operation on / off, and display the operation contents and the current water heater operation status on the display means 6. The bathroom remote controller 3 is connected with a running water detector 7 attached to a bathroom shower or the like, and the presence or absence of the bathroom shower is determined by a running water detection signal from the running water detector 7.

  The bathroom remote controller 3 and the kitchen remote controller 4 are connected to the main body control device 2 through a communication signal line, and instruct the main body control device 2 to change the set temperature, turn on / off the operation, detect the flowing water in the bathroom shower, etc. It is. The water heater main body 1 burns based on the communication signal of the main body control device 2 and discharges hot water.

  The operation and effect of the temperature setting control of the water heater configured as described above will be described below.

  FIG. 2 is a flowchart of temperature setting control of the water heater in Embodiment 1 of the present invention. The temperature setting can be changed if the hot water supply is being used, the bathroom shower is running, and the bathroom remote controller 3 is operated, and if the operation is performed from a remote controller other than the bathroom remote controller 3, the temperature setting is not changed.

  In addition, the temperature setting can be changed when hot water is being used and there is no bathroom shower flowing water, that is, when hot water is being used outside the bathroom shower. Moreover, the temperature setting can be changed even when hot water is not used.

  As described above, in the present embodiment, the bathroom shower bathes the whole body, so safety is improved by not changing the temperature setting outside the place of use, and the temperature during use outside the bathroom shower is increased. By making the setting change possible, it is possible to make it easy to use.

(Embodiment 2)
FIG. 3 is a flowchart of temperature setting control of the water heater in Embodiment 2 of the present invention. The temperature setting can be changed if the hot water supply is being used, the bathroom shower is running, and the bathroom remote controller is operated, and the temperature setting is not changed if the operation is performed from a remote controller other than the bathroom remote controller. In addition, the temperature setting can be changed when hot water is being used and there is no bathroom shower flowing water, that is, when hot water is being used outside the bathroom shower. And even when the hot water supply is not used, the temperature setting can be changed for a predetermined time t from the use of the bathroom shower in the case of operation of the bathroom remote control, and the temperature setting is not changed if the operation is from a remote control other than the bathroom remote control. Is.

  As described above, in the present embodiment, a timer that disables the temperature setting change from another remote controller is provided so that the predetermined time t after using the bathroom shower can be used when continuously used in the bathroom. Safety can be increased.

  As described above, the water heater according to the present invention can provide easy-to-use water heater temperature setting control with improved safety by preventing the temperature setting from being changed outside the place of use during shower use. Therefore, it can be applied to uses such as controlling the set temperature of a water heater.

System configuration diagram of a water heater in Embodiment 1 of the present invention Flowchart of temperature setting control of the water heater in Embodiment 1 of the present invention Flowchart of temperature setting control of the water heater in Embodiment 2 of the present invention Conventional water heater temperature setting control flowchart

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Water heater main body 2 Main body control apparatus 3 Bathroom remote control 4 Kitchen remote control 5 Operation means 6 Display means 7 Flowing water detector

Claims (2)

A water heater main body operated by a plurality of remote controllers including a bathroom remote controller, a bathroom shower using hot water supplied from the water heater body, and a flowing water detector for detecting whether or not the bathroom shower is used, the flowing water detection The hot water detection signal is received by the bathroom remote control, and when the bathroom remote control determines that the bathroom shower is in use from the flow detection signal, the hot water supply is prohibited from being changed by the remote control other than the bathroom remote control. Control device. When the bathroom remote controller determines from the running water detection signal that the bathroom shower is in use, or for a predetermined time t after detecting the bathroom shower is not used, changing the hot water temperature setting with a remote controller other than the bathroom remote controller is prohibited. The water heater controller according to claim 1.

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