JPH03178617A - Simplified shower equipment - Google Patents

Abstract

PURPOSE:To surely prevent the use in a dangerous state and to improve the safety by detecting a water level insufficient state by moving forcible a float of a water level sensor to the lowest position of a guide cylinder, when a still state of an inclination sensor is broken, and stopping an electric conduction to a heater. CONSTITUTION:When a body 1 is used in a normal state, an inclination sensor 18 is held in a still state by a holding part 19, a water level sensor 4 detects a water level by a vertical motion of a float 5 caused by a variation of the water level, and by controlling an electric conduction to a heater, heating without water is prevented. When the body 1 falls down and used in a dangerous state, the inclination sensor 18 is detached from the holding part 19, the still state is broken, and a string-like member 17 linked to the inclination sensor 18 draws the float 5 through a control part 20, and draws it down to the lowest position of a guide cylinder 6. In such a way, the water level sensor 4 detects a water level insufficient state, an electric conduction to a heater 3, and the safety is secured.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a simple shower device mainly used in ordinary homes.

[Conventional technology]

FIG. 3 is a sectional view of a conventional simple shower device. In the figure, 1 is the main body, 2 is a tank made of synthetic IM resin provided in the main body 1, 3 is a heater provided at the bottom of the tank 2 and heats the water in the tank 2, and 4 is a heater at the bottom of the tank 2. This is a water level sensor that detects the water level in a specific range (range A in Figure 3), and is composed of a donut-shaped float S and a cylindrical guide tube B, and the float 5 moves vertically around the guide tube 6. to detect insufficient water level at the lowest position.

Further, this guide cylinder 6 is provided with a stopper 7 at the upper part, and positions the float 5 at the highest upper position. 18 The tank 2 is placed near the water level sensor 4 on the bottom of the tank 2.
A temperature sensor consisting of a thermometer, etc. that detects the water temperature inside the tank, 9 is an operation section provided on the oblique part of the upper front of the main body 1, and is used to turn on the power, set 0FF1, 1 damage in the tank 2, etc. I do. Reference numeral 10 is an electric pump that is provided at the bottom of the main body 1 and takes out the hot water in the tank 2 to the outside. Reference numeral 11 is a shower head provided at the tip of the hose 12 that discharges the hot water in the tank 2. Reference numeral 13 is the hose 12. A solenoid valve 14 is provided between the heater 3 and the pump 10. A control device consisting of a board, electronic components, etc. that controls the supply of electricity to each part of the solenoid valve 13, 15 is a storage chamber provided at the lower front of the main body 1, and the hose 12 and the shower head 11 are installed here.
Store in. 1S is a lid placed on the top of the tank 2, and has a removable structure.

Next, the operation will be explained.

First, when boiling water, a predetermined amount of water is put into the tank 2 and the power switch of the operation unit 9 is operated to energize the heater 3 and heat the water in the tank 2. When using hot water, the pump 10 pressurizes the hot water, opens the solenoid valve 13, and connects the hot water to the shower head 1 through the hose 12.
Release hot water from step 1 and wash your hair. Here, the control device 14
When heating water, the water temperature detected by the temperature sensor 8 is compared with a set temperature, and based on this temperature difference, the energization of the heater 3 is controlled to heat the water to the set humidity. In addition, if there is a risk that the water level will drop due to the use of hot water and there is a risk of dry heating, prevent dry heating. That is, when the water level in the tank 2 is higher than the mounting surface (a in the figure) of the water level sensor 4, the float 5 moves upward along the guide tube 6, so that the water level sensor 4 is in the insufficient water level state. It is possible to energize the heater 3, but
When the water level in the tank 2 is below the mounting surface of the water level sensor 4, the float 5 descends to the lowest position of the guide tube 6, and the water level sensor 4 detects that the water level is insufficient, and the heater Make it impossible to energize 3 to prevent dry firing.

Note that water is supplied to the tank 2 by removing the lid 16 and filling it with water.

[Problem to be solved by the invention]

Since the conventional simple shower device is constructed as described above, if the main body 1 topples due to an earthquake or the like as shown in FIG. 4 while water is being heated by the heater 3, the water will flow out of the tank 2. , the float 5 may move above the guide tube 6 even though the tank 2 is empty. In this state, the water level sensor 4 incorrectly detects that the water level is not insufficient, and the temperature sensor 8 also incorrectly detects that the water temperature is below the set temperature because it detects the air temperature inside the empty tank 2. Put it away. Due to these erroneous detections, the heater 3 continues to be energized, resulting in a dry firing state, which may cause an accident such as a fire.

This invention was made in order to solve the above-mentioned problems, and has a simple structure that can reliably stop the power supply to the heater in the event of an abnormality such as tilting or falling of the main body, thereby ensuring safety. The purpose is to obtain a shower device.

[Means to solve the problem]

The simple shower device according to the present invention includes a tank provided in a main body, a guide tube provided in the tank, and a float that moves vertically around the guide tube. a water level sensor configured to detect the water level in a specific range at the bottom; a spherical tilt sensor connected to the float by a string-like connecting member; and a spherical tilt sensor provided at the bottom of the tank, which keeps the tilt sensor in a stationary state under normal conditions. and a holding part for holding the float, and when the stationary state of the tilt sensor is broken due to an abnormality such as tilting or overturning of the main body, lowering the float to the lowest position of the guide tube,
The water level sensor is forced to detect an insufficient water level state.

[Effect]

In the simple shower device according to the present invention, when the stationary state of the tilt sensor is broken due to tilting or falling of the main body, the float is pulled down to the lowest position of the guide tube, and the water level sensor is forced to detect a water level insufficient state. detected, and power supply to the heater is stopped.

〔Example〕

FIG. 1 is a sectional view of a simple shower device showing an embodiment of the present invention.

In the figure, 1. to 1B have almost the same configuration as the conventional device d, so the explanation will be omitted. A spherical tilt sensor 18 is connected to the float 5 by a string member 17.

Reference numeral 19 denotes a concave holding part provided at the bottom of the tank 2 to hold the tilt sensor 18 in a stationary state. The tilt sensor 18 is stationary on the holding part 1S, and if the main body 1 is used in an abnormal state such as tilted or overturned, the tilt sensor 18 will come off from the holding part 19 and the stationary state will be broken. There is. Furthermore, this tilt sensor 1
8 is removed from the holding part 19, the tilt sensor 18
The float 5 is pulled to the lowest position of the guide tube 6 by a string-like member 17 connected to the float 5, and the water level sensor 4 is configured to forcibly detect an insufficient water level state. Note that 20 is a regulating portion for regulating the movement of the string-like member 17.

Next, the operation will be explained.

The water in the tank 2 is heated by the heater 3, and the shower head 1 is heated.
Since the operation of discharging hot water from the main body 1 is exactly the same as that of the conventional example, a description thereof will be omitted, and only the operation of the safety mechanism in the event of an abnormality such as when the main body 1 is tilted or falls over will be described.

As shown in Fig. 1, when the main body 1 is not tilted or fallen and is being used in a normal state, the tilt sensor 18 (because it is held stationary by the holding part 19) As in the conventional example, the water level sensor 4 detects the water level by the vertical movement of the float 5 due to changes in the water level, and controls the power supply to the heater to prevent dry heating.

On the other hand, if the main body 1 is tipped over and used in a dangerous condition as shown in FIG. The string-like member 17 pulling the float 5 through the regulating part 20 and lowering it to the lowest position of the guide cylinder 6. As a result, the water level sensor 4 detects an insufficient water level, and the power supply to the heater 3 is stopped, thereby ensuring safety.

In the above explanation, the case where the main body 1 falls has been explained as an example, but the same effect can be obtained by setting the tilt sensor 18 to operate when the main body 1 falls over a certain angle. .

〔Effect of the invention〕

As described above, according to the present invention, if the stationary state of the tilt sensor is broken due to the tilting or falling of the main body, the float of the water level sensor is forcibly moved to the lowest position of the guide cylinder, and the water level sensor is forcibly moved to the lowest position of the guide cylinder. Since the insufficient state is detected and the power supply to the heater is stopped, use in a dangerous state can be reliably prevented and safety can be improved with a simple structure.

[Brief explanation of drawings]

Fig. 1 is a sectional view of a simple shower device according to an embodiment of the present invention, Fig. 2 is a sectional view of main parts showing the operating state of the simple shower device of the present invention when it falls over, and Fig. 3 is a sectional view of a conventional simple shower device. 4 is a cross-sectional view of the device, and a cross-sectional view of essential parts showing the operating state of the conventional simple shower device of FIG. 4 when it falls over; FIG. In the figure, 1 is the main body, 2 is the tank, 3 is the heater, 4 is the water level sensor, 5 is the float, B is the plan F[, 14 is the control device, 1
7 is a string-like member, 18 is a tilt sensor, and 19 is a holding portion. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Claims] It consists of a tank installed in the main body, a guide cylinder installed in the tank, and a float that moves vertically around the guide cylinder.The vertical movement of this float detects the water level in a specific range at the bottom of the tank. a spherical tilt sensor connected to the float by a string-like member; and a holding portion provided at the bottom of the tank and holding the tilt sensor in a stationary state during normal times; When the stationary state of the tilt sensor is broken due to an abnormality such as tilting or overturning of the main body, the float is lowered to the lowest value of the guide tube to force the water level sensor to detect an insufficient water level state. A simple shower device characterized by: