JPH03224525A - Shower device - Google Patents

Abstract

PURPOSE:To prevent a bathing person from being poured with cold water remaining in a shower duct at the time of pouring hot water by pouring hot water in a downflow state from a shower nozzle, when a temperature reaches a set temperature, and thereafter, pouring got water in an injection state, when a set condition is satisfied. CONSTITUTION:A controller 11 for outputting a valve opening/closing operating signal is provided with a storage means 12 for storing an operation procedure for operating a flow rate control valve 3 so that when a temperature reaches a set temperature, hot water is poured in a downflow state from a shower nozzle 2, and thereafter, when a set condition is satisfied, hot water is poured an injection state. This set condition is determined by a flow rate required for discharging cold water remaining in a shower duct 1, or the time required for its discharge. That is, a plug opening operation is executed so that it is opened to the extent that hot water is poured in a downflow state from the shower nozzle 2, and thereafter, hot water is poured in an injection state from the shower nozzle 2. In such a manner, it does not occur that a person is poured by cold water remaining in the shower duct at the time of pouring hot water.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention is characterized in that a drain pipe is branched from a shower pipe, the pipe is switched in response to a control signal from a controller, and when a set temperature is reached, hot water is discharged from the shower nozzle. The present invention relates to an improvement of a shower device configured to do so, and more particularly to a shower device configured so that a bather does not take a bath in the cold water remaining in the shower pipe at the beginning of bathing.

(Prior Art) Conventionally, this type of shower device includes a shower pipe used to supply hot water to a shower nozzle, and a drainage pipe branched from this shower pipe and used to drain hot water until it reaches a set temperature. The shower pipe is provided with a flow control valve that controls the shower injection pressure.

In conventional equipment, when the hot water reaches the set temperature and a valve opening/closing signal is issued from the controller, the flow path switches from the drain pipe to the shower pipe, and hot water comes out in a jet form from the shower nozzle. .

(Problem to be Solved by the Invention) However, in the shower pipe, for example from the branch point of the drain pipe to the shower nozzle, residual hot water from the previous use remains as cold water. It is something that

Therefore, when using a conventional shower device, although it is possible to select the strength of the shower jet pressure, there is a disadvantage that hot water is jetted from the beginning of the bath, and the bather is forced to bathe in this cold water.

In addition, in conventional devices of this type, hot water is sprayed onto the bather from the beginning of the bath, which tends to give a sense of surprise or shock to the bather.

The present invention was proposed in order to eliminate such disadvantages of conventional devices of this type.

Therefore, the technical problem of the present invention is to eliminate the unpleasant feeling of bathers caused by being exposed to cold water remaining in the shower pipe when bathing, and to eliminate surprise and shock to bathers at the beginning of bathing. To provide a shower device configured so as not to give a feeling of discomfort.

(Means for Solving the Problem) The present invention takes the following technical means to solve the problem.

That is, the shower device of the present invention includes a shower pipe l used for supplying hot water to the shower nozzle 2, which is provided with a flow control valve 3 for controlling the shower jet pressure, and a shower pipe l branched from this shower pipe l, which is provided with a flow control valve 3 for controlling the shower jet pressure. In a shower device equipped with a drain pipe line 9 used to drain hot water until it reaches a temperature, and a controller 11 that outputs a valve opening/closing operation signal for switching these pipe lines, the controller 1 described above is provided.
1, a storage means 12 is provided for storing an operation procedure for operating the flow rate control valve 3 so that hot water is discharged from the shower nozzle 2 in a flowing state when a set temperature is reached, and then in a jetting state when a set condition is met. It is something that was given. The above setting conditions are determined by the flow rate of hot water required to discharge the cold water remaining in the shower pipe 1 from the shower nozzle 2 or the time required for the discharge.

(Function of the invention) In the device of the present invention, when the hot water reaches the set temperature, the flow path of the hot water is changed from the drain pipe 9 to the shower pipe 1 by the controller 11.
When the switch is switched to , the controller 11 issues an operation signal to the flow rate control valve 3 to cause hot water to flow downward from the shower nozzle 2 . Upon receiving this operation signal, the driving means of the flow rate control valve 3 operates to open the pipeline slightly, ie, to the extent that hot water flows downward from the shower nozzle 2.

Thereafter, when the preset conditions set in the controller 11 are satisfied, the controller 11 issues an operation signal to the flow rate control valve 3 again. When this signal is received, the drive means for the flow rate control valve 3 opens the shower nozzle 2 so that hot water is ejected from the shower nozzle 2.

(Embodiment) A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

1 is a shower pipe line used to supply hot water to the shower nozzle 2. This shower pipe line 1 is provided with a flow control valve 3 that controls the shower injection pressure. Also 4
1 is a main solenoid valve provided in the shower pipe 1, 5 is a thermistor as a temperature sensor, 6 is a flow rate sensor, 7 is a shower main solenoid valve, and 8 is a body shower nozzle solenoid valve. In the shower device of this embodiment, the shower nozzles 2 include a body shower nozzle 2a, a hand shower nozzle 2b, a foot shower nozzle 2c, a hot water nozzle 2d, a squall shower nozzle 2e, and a mist shower nozzle 2f. However, for convenience of explanation, the case of the body shower nozzle 2a will be explained below as an example.

Reference numeral 9 denotes a drain pipe branched from the shower pipe 1 and used to drain hot water until it reaches a set temperature. Reference numeral 10 denotes a drainage solenoid valve provided in the drainage pipe 9 for opening and closing the pipe.

Reference numeral 11 denotes a controller comprised of, for example, a microcomputer, which issues valve opening/closing signals for switching between the shower pipe 1 and the drain pipe 9.

Reference numeral 12 denotes a storage means provided in the controller 11, and is composed of, for example, a PROM (programmable read only memory). FROM, which serves as the memory means 12, has information that when the set temperature is reached, the shower nozzle 2
An operation procedure is written for operating the flow rate control valve 3 so that hot water is discharged in a flowing state, and then, when a set condition is met, hot water is discharged in an injection state. Also written in the storage means 12 are instructions for issuing valve opening/closing operation signals for switching between the shower pipe 1 and the drain pipe 9.

13 is an operation panel on which temperature setting switches and the like are formed.

In addition, the thermistor 5, the flow rate sensor 6, the controller and the roller 11
An amplifier and an A/D converter are provided between the controller 11 and each electromagnetic valve, and an SSR (solid state relay), for example, is provided between the controller 11 and each electromagnetic valve. Further, the controller 11 and the flow rate control valve 3 are connected via a drive device including, for example, a drive power source and a control signal generation circuit.

Next, the operation of this embodiment will be explained with reference to the flowchart shown in FIG.

First, the bather sets the desired shower temperature and shower mode (for example, body shower) using a temperature setting switch provided on the operation panel 13. Then turn on the body shower switch. Then, the controller 11 outputs operation signals to the main solenoid valve 4, the flow rate control valve 3, and the drain solenoid valve 10, and these valves are opened, respectively. At this time,
The shower source solenoid valve 7 and the body shower nozzle solenoid valve 8 are closed.

In this state, the temperature detection signal from the thermistor 5 is A/D converted and input to the controller 11, where it is compared with the set temperature by the CPU (central processing unit). Sampling is then repeated until the temperature of the hot water reaches the set temperature. In this case, each of the above-mentioned valves continues to be kept open, so that hot water continues to be drained from the drain pipe 9.

In addition, when the set temperature is reached, the flow rate side (close the wholesale valve 3, close the drain solenoid valve 10, and close the solenoid valve 8 for body shower nozzle)
And the signal to open the shower source solenoid valve 7 is sent to the controller 11.
It comes out sequentially from In this state, the CPU retrieves and executes the command written in the storage means 12, that is, the command to discharge hot water in a flowing state to the body shower nozzle 2a. When this signal is output from the output boat, a control signal is output from the drive device to the drive means constituted by, for example, a motor of the flow control valve 3, and this drive means operates to slightly open the shower pipe 1. do. Accordingly, hot water flows downward from the body shower nozzle 2a, and cold water is discharged first.

After that, the flow rate value is detected from the flow rate sensor 6, and the A/D
It is converted and enters the controller 11.

Then, the controller 11 compares and determines the set flow rate value, and if the set flow rate value is not reached, the flow rate control valve 3 continues to maintain a slightly open state. When the set flow rate value is reached, the CPU controls the body shower nozzle 2.
A command to cause hot water to come out in an injection state, that is, a command to completely open the flow rate control valve 3 in this embodiment, is extracted from a and executed. When a signal is output from the output boat to the drive device, a control signal is sent from the drive device to the drive means of the flow rate control valve 3, and the drive means operates to completely open the flow rate control valve 3. Therefore, hot water at the set temperature is sprayed out from the body shower nozzle 2a.

In the above, in the present invention, the controller 11 is configured to include a drive control device 14 for controlling the drive of the flow rate side (discharge valve 3), as shown in FIG. , it may be formed by being incorporated into this drive control device 14.

Further, as shown in FIG. 4, the drain pipe 9 of the shower device of the present invention is branched from the shower pipe 1 between the flow rate control valve 3 and the original solenoid valve 4, for example. It may also be configured as follows.

FIG. 5 is a flowchart in this case, and as shown in the figure, the apparatus of the present invention is capable of setting the conditions for spraying hot water from the shower nozzle 2 (a in FIG. 2). The flow rate control valve 3 may be configured to include a command to open the flow rate control valve 3 slightly and then wait for a certain period of time, for example. In this case, the flow rate sensor 6 described above can be omitted;
This allows the program to be simplified.

(Effects of the Invention) As described above, the present invention provides a shower apparatus including a shower pipe provided with a flow rate control valve, a drain pipe, and a controller that controls switching of these pipes. The apparatus is further provided with a memory means for storing an operating procedure for operating the flow rate control valve so that hot water is discharged from the shower nozzle in a flowing state when the set temperature is reached, and then in an injection state when the set conditions are met. be.

Therefore, in the shower device of the present invention, when the hot water reaches the set temperature, the hot water initially comes out of the shower nozzle in a flowing state;
When a certain amount of hot water flows (after a certain period of time), hot water is released in a jet state. By using this invention, the bather can:
Since you are not exposed to cold water remaining in the shower pipe when you take a bath, you can take a shower comfortably from the beginning and have the excellent effect of not feeling surprised or shocked. .

[Brief Description of the Drawings] Fig. 1 is an overall configuration diagram showing a preferred embodiment of the device of the present invention, Fig. 2 is a flowchart of the same device, Fig. 3 is a block diagram showing another embodiment, and Fig. 4 is a block diagram showing another embodiment. The figure is an overall configuration diagram showing still another embodiment, and FIG. 5 is a flowchart of the embodiment of FIG. 4. In the figure, 1 is a shower pipe, 2 is a shower nozzle, 3 is a flow rate control valve, 9 is a drain pipe, 11 is a controller, and 12 is a storage means.

Claims (1)

[Claims] A shower pipe line used to supply hot water to the shower nozzle, which is equipped with a flow control valve that controls the shower jet pressure, and a shower pipe branched from this shower pipe line used to drain hot water until it reaches a set temperature. In a shower device equipped with a drain pipe and a controller that outputs a valve opening/closing operation signal to switch between these pipes, the controller is configured to send hot water in a flowing state from the shower nozzle when the set temperature is reached, and then A shower device is provided with a storage means for storing an operating procedure for operating the flow rate control valve so as to discharge hot water in an injection state when set conditions are met.