JPH02208421A - Hot and cold water mixing device - Google Patents

Abstract

PURPOSE:To make manipulation safe by disposing a plurality of setters for setting the temperature, flow rate and outlet ports of mixed hot and cold water in the inside and outside of a bathroom, providing a remote hot water supply function to the setter in the outside of the bathroom and providing a manipulation priority change-over switch to one of the setters in the bathroom. CONSTITUTION:Hot and cold water mixed by a mixing valve 7 operated by an operating means 8 is supplied through a temperature detector 9 and a flow rate adjustment valve 10 which stops the supply of hot water, changes over outlet ports and adjusts a flow rate. The flow rate adjustment valve 10 is operated by a flow rate adjustment valve operating means 11. The mixing valve operating means 8 and flow rate adjustment valve operating means 11 are controlled by a controller 13 which is manipulated by setters 12a, 12b and 12c in a bathroom 14 and by a setter 12d provided outside the bathroom. One of the setters, for example, the setter 12a in the bathroom is provided with a manipulation priority switch for the inside and outside of the bathroom, and the setter 12d in the outside of the bathroom with a remote hot water supply switch. Since the manipulation priority change-over switch is provided in the bathroom, the manipulation is safe without being erroneously remote-controlled from the outside of the bathroom.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a hot water mixing device for mixing hot water and water to obtain water at an appropriate temperature.

2. Description of the Related Art As shown in FIG. 5, a conventional hot water mixing device of this type mixes hot water and water appropriately by opening and closing two valve bodies 1 and 2, and detects the temperature of the mixed water using a thermistor 3. The controller 5 determines the difference between the detected temperature and the temperature set by the setting device 4, and drives the servo motor 6. The nine-rotation motion of the motor 6 was converted into the opening/closing operation of the valves 1 and 2 by means of gears, etc., and the desired mixed water could be obtained depending on the state of the valves 1 and 2.

Problems to be Solved by the Invention However, in the above configuration, when installing in a bathroom, there is only one setting device 4, which causes inconvenience in use.For example, if the setting device 4 is installed outside the bathroom, If it is not possible to change the temperature setting of the mixed water in the bathroom, and if the setting device 4 is provided only in the bathroom, consideration must be given to ensure that elderly people and children do not accidentally operate it.

The present invention solves such conventional problems by making it possible to change the temperature setting, flow rate setting, and each water spout at multiple locations, improving usability and preventing accidental operation from outside the bathroom while the device is being used inside the bathroom. The purpose is to provide a highly safe hot water mixing device that does not cause any defects.

Means for Solving the Problems A mixing valve that adjusts the mixing ratio of hot water and water, a mixing valve drive device that electrically drives the mixing valve, and a flow control valve that switches between multiple water outlets and varies the flow rate of hot water. A flow control valve drive device that electrically drives the flow control valve, a plurality of setting devices that set the desired temperature, flow rate, and water outlet of the mixed water, and signals from these setting devices to control the mixing valve drive device and flow control. It has a controller that controls the valve device, and multiple setting devices are placed inside and outside the bathroom,
In addition, the setting device outside the bathroom is provided with a remote hot water tap function, and the setting device inside the bathroom is equipped with an operation priority switch for switching between the setting device outside the bathroom and the setting device outside the bathroom.

Operation With the above configuration, the controller controls the mixing valve and the flow regulating valve driving device according to the temperature and flow rate set by the setting device, drives the mixing valve and the flow regulating valve, and makes the mixed water temperature and flow rate equal to the set values.

Additionally, the setting device outside the bathroom is equipped with a remote hot water tap function, so you can fill the bathtub with hot water even from a distance. Furthermore, to prevent remote control from being accidentally performed by another person while taking a bath, which could result in a dangerous situation, a switch for switching priority between inside and outside of the bathroom is installed on the setting device in the bathroom, making it safer to use.

Embodiment Hereinafter, one embodiment of the present invention will be described based on the accompanying drawings. In FIG. 1, a mixing valve 7 that adjusts the mixing ratio of hot water and water, a mixing valve driving device 8 that drives the mixing valve 7, and a temperature detector 9 such as a thermistor that detects the temperature of the mixed water downstream of the mixing valve 7. , a flow control valve 10 for stopping hot water dispensing, switching the spout, and adjusting the flow rate, a flow control valve driving device 11 for driving the flow 11i10, and a setting device 12 for setting the hot water dispensing and stopping, and the temperature and flow rate. , the mixing valve drive device 8 and the flow control valve drive bag according to the signal from the setting device 12! Controller 1 that controls 11
It consists of 3. The setting device 12 includes setting devices 12a, 12b, and 12c inside the bathroom 14 and a setting device 12d outside the bathroom 14.
It is made up of.

In FIG. 2, setting devices 12a, 12b, 1 in the bathroom 14
As a representative example of 2C, the setting device 12a includes an operation priority changeover switch 15 for inside and outside of the bathroom 14, a changeover switch 16 for each spout, a temperature adjustment switch 17, a flow rate adjustment switch 18, and a cycle cool-down switch. A switch 19 that allows you to select from a variety of shower options, and a setting device 12 outside the bathroom 14.
A function of a call switch 20 for calling d is provided. Calls can be made using the setting device 12a 12b in the bathroom 14.
The buzzer goes off at the same time on the remote controller 12c and the remote control 12d outside the bathroom 14. Also, the buzzer is configured so that the buzzer continues to sound for several seconds even if you take your hand off the switch.

In FIG. 3, a setting device 12d outside the bathroom 14 includes a power switch 21, a remote hot water supply switch 22 that remotely fills the bathtub with hot water, and a timer function built into the setting device 12d outside the bathroom 14 to fill the bathtub with reserved hot water. A function of a timer hot water tap switch 23 is provided. Also provided are a monitor lamp 24 that lights up to notify you when an abnormality occurs, and a priority lamp 25 that lights up when there is an operation priority setting on the setting device 12d outside the bathroom 14.

With the above configuration, when the desired state of mixed water is set using each setting device 12, the controller 13 controls the mixing valve 7, the flow control valve 1
0, and supply the mixed water to the place where you want to use it in the set state. The setting devices 12 can be provided at positions corresponding to the user's usage conditions.

For example, as shown in FIG. 4, the setting device 12a inside the bathroom 14 can be installed in the washing area, the setting device 12b can be installed in the shower, and the setting device 12C can be installed in the bathtub, and the setting device 12d outside the bathroom 14 can be installed in the kitchen 26. By doing so, it is possible to remotely dispense hot water from the kitchen 26 to the bathtub and to make a timer reservation for dispensing hot water. Although not shown, by adding a teleconverter system, hot water can be filled over the phone.

Further, since the operation priority changeover switch 15 is provided on the setting device 12a in the bathroom 14, consideration is given to prevent a dangerous situation from being accidentally operated remotely by another person while taking a bath. Furthermore, when the hot water filling is completed by remote control, timer reservation, teleconference, etc., operation priority is automatically given to the setting device 1 in the bathroom 14.
Returning to 2a, it also has a function to prevent hot water from filling up twice. Furthermore, when the power switch 21 of the setting device 12d outside the bathroom 14 is turned on, the operation priority is always set to the setting device 12a inside the bathroom 14. When pressing the priority operation switch 15, it is possible to check whether the user has forgotten to clean the bathtub or close the drain plug, thereby preventing accidental accidents.

Effects of the Invention As described above, according to the hot water mixing device of the present invention, the following effects can be obtained.

(1) Since setting devices are provided at multiple locations, the setting devices can be installed at positions that match the user's condition, improving usability.

(2) Hot water can be dispensed remotely using a setting device outside the bathroom, improving usability.

(3) Since the setting device in the bathroom is provided with an operation priority changeover switch, the bathing and hot water mixing device can always be used with peace of mind without being accidentally operated from outside the bathroom while being used in the bathroom.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a hot water mixing device according to an embodiment of the present invention, FIG. 2 is a diagram of a bathroom setting device of the hot water mixing device,
FIG. 3 is a diagram of a setting device outside the bathroom of the hot water/water mixing device, FIG. 4 is a construction diagram of the hot water/water mixing device, and FIG. 5 is a block diagram of a conventional hot water/cold mixing device. 7...Mixing valve, 8...Mixing valve drive device, 10...Flow control valve, 11...Flow control valve drive device, 12 a, 12 b, 12C...
...Setting device inside the bathroom, 12d...Setting device outside the bathroom, 13...Controller, 15...Operation priority changeover switch, 22... Remote hot water switch. Name of agent: Patent attorney Shigetaka Awano

Claims (3)

[Claims] (1) A mixing valve that adjusts the mixing ratio of hot water and water, a mixing valve drive device that electrically drives the mixing valve, a flow control valve that switches between a plurality of water outlets and varies the flow rate of hot water, and A flow control valve drive device that electrically drives the control valve, a plurality of setting devices that set the desired temperature, flow rate, and water outlet of the mixed water, and signals from these setting devices to control the mixing valve drive device and the flow control valve. The plurality of setting devices are arranged inside and outside the bathroom, and the setting device outside the bathroom is provided with a remote hot water dispensing function, and the setting device inside the bathroom is provided with a remote hot water tap function. A hot water mixing device equipped with a setting device and an operation priority switch. (2) The hot water mixing device according to claim (1), wherein the setting device outside the bathroom is equipped with a timer hot water dispensing function. (3) The hot water mixing device according to claim (1), wherein the setting device outside the bathroom is equipped with a connection terminal for a teleconverter hot water outlet.