JPS60240943A - Remote controller of hot water supply machine - Google Patents

Abstract

PURPOSE:To obtain a handy remote controller without necessitating changeover of priority intentionally at the time when estabilishment of a hot water temperature is performed from the remote controller whose order of the priority is low, by so constituting the remote controller that a priority switch is released automatically when there is no change in the establishment of the hot water temperature by the remote controller whose order of priority is high. CONSTITUTION:A timer circuit 5 is started or restarted by a trigger circuit 4 and a transistor 6 is turned ON when a timer is up. A relay 7 is driven by a transistor 6 and a priority detecting terminal is connected by a contact point 8 of the relay with the ground. A voltage variation is applied to the trigger circuit 4 from a volume 2 every time establishment of a hot water temperature varies. When the voltage variation is applied to the trigger circuit 4, a timer-start signal is applied to the timer circuit 5 and the timer is restarted every time the signal is applied to the timer circuit 5. When the timer-start signal is not applied to the timer circuit 5, the transistor 6 is turned ON by the timer circuit 5 after the time is up, and in consequence of the foregoing the priority detecting terminal of a hot water temperature control circuit 1 is made into ''L'' by the contact point 8 of the relay 7. In consequence of the foregoing, the establishment of the hot water temperature having order of priority is released automatically.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a remote controller for a household gas instantaneous water heater, and relates to an improvement in the configuration for canceling priority when prioritizing hot water temperature settings.

Conventional configuration and its problems In a conventional water heater, if there are two or more remote controllers, if you give priority to one of the remote controllers and manually turn on the priority switch on the remote controller with the higher priority, Even if you finish using the water heater, you can manually turn off the priority switch.
The priority was not canceled unless it was turned into FF, which made it difficult to use.

OBJECTS OF THE INVENTION The present invention solves the above-mentioned drawbacks, and aims to automatically cancel the priority switch if there is no change in the hot water temperature setting of the remote control with a high priority.

Structure of the Invention The present invention has a configuration in which an input signal is given to priority detection provided in a hot water temperature control circuit by a switch controlled by a timer, and the timer is configured to be started when the hot water temperature setting changes. .

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
Pa. Reference numeral 1 denotes a hot water temperature control circuit, which has a hot water temperature setting terminal and a priority detection terminal as its input terminals. 2 represents a volume for setting the hot water temperature, and in this embodiment, a rotary switch is used to change the resistance value.

The hot water temperature signal passes through the A/D converter 3 and enters the hot water temperature control circuit. Reference numeral 9 is a volume for applying a voltage change to the trigger circuit 4 when the hot water temperature setting is changed, and the rotary switch used for this is interlocked with the rotary switch used for the volume 2. The timer circuit 5 is started or restarted by the trigger circuit 4, and when the timer is up, the transistor 6 is turned on. The transistor 6 drives a relay 7, and the contact 8 of the relay 7 connects the priority detection terminal to ground.

According to the above configuration, a voltage change is applied to the trigger circuit 4 by the volume 2 every time the hot water temperature setting changes. When a voltage change is applied to the trigger circuit 4, a timer start signal is applied to the timer circuit 1 and 5, and the timer is restarted each time. If the timer start signal does not enter the timer circuit 5, the timer circuit 5 turns on the transistor 6 after the timer has finished.
As a result, contact 8 of relay 7 sets the priority detection terminal of hot water temperature control circuit 1 to °'L''. As a result, the priority hot water temperature settings are automatically canceled.

Effects of the Invention As described above, according to the present invention, the priority of the remote control with a higher priority is automatically canceled, so there is no need to take the trouble to switch the priority when setting the hot water temperature using a remote controller with a lower priority. , it becomes an easy-to-use remote control.

[Brief explanation of drawings]

The figure is a configuration diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Hot water temperature control circuit, 2... Volume for setting hot water temperature, 3... A/D converter, 4... Trigger circuit, 5
...Timer circuit, 6...Transistor, 7...
Relay, 8...Contact of relay 7, 9...Rotary W0 with volume

Claims (1)

[Claims] A water heater τF) consisting of a water heater operated by remote control and a plurality of remote controllers for changing the operating state of the water heater; When each remote controller sets a different hot water temperature, the timer is activated when the hot water temperature is set according to the priority procedure, and when the timer ends, the hot water temperature setting is automatically predetermined. This is a remote controller for an isyge water heater, which has a function of changing the water temperature to a certain water temperature and canceling the hot water temperature setting state according to the priority procedure.