JPS60233240A - Water saving apparatus of flash toilet for woman - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] A1 Purpose of the Invention Industrial Application Field: Used in women's flush toilets (hereinafter simply referred to as women's toilets) provided in stations, schools, department stores, movie theaters, etc.

Conventional technology: Currently, the amount of water flushed in the women's toilet is set to be enough to perform a large wash, regardless of whether it is used for a small or large wash. . The fact that most of these types of women's toilets are for small use is that the amount of water required for small washes is far smaller, for example, 1/3 of the amount of water required for large washes. Considering the small number of toilets and the high frequency of use, it can be seen that women's toilets waste a considerable amount of water. To improve this point, it would be possible to install a water spray system that is operated by a water spray switch for washing dogs and a water spray switch for washing small dogs.
It is impossible to conserve water by leaving the operation of these two water discharge switches up to the user, and sometimes only the large water discharge switch is operated, or the small water discharge switch is operated even though the dog is using it. do.

Problems to be Solved by the Invention: The problem to be solved by the present invention is that a large amount of water is ineffectively used in women's toilets.

Composition of B1 invention: A means to solve a problem.

In order to solve the above-mentioned problems regarding women's toilets, the present invention aims to improve the relationship between the elapsed time t from the time the user enters the room and closes the door to the time the user operates the water discharge valve and the set time T. A timer that determines whether t≧T or t<T, and a timer that releases a large amount of washing water for large-sized washing and a small amount of washing water for small-sized washing is emitted from the timer. A water discharge amount selection device is provided which selects a water discharge amount according to whether the signal is a signal of t≧T or a signal of t<T.

Effects: According to the present invention, a. When the relationship between the elapsed time t and the set time T is t≧T, the use in that case is considered to be "great use"; b. The elapsed time When the relationship between t and the set time T is t<T, the usage in that case is regarded as "small usage", so that the water saving effect will automatically increase regardless of the user's intention. It is something to do.

It is desirable that the set time T and the ratio Q2/Q1 between the water discharge amount Q2 under condition b and the water discharge amount Q1 under condition a be adjustable.

Embodiment: FIG. 1 shows an example of a water saving device according to the present invention. In this figure, WS is a water discharge switch, DS is a door switch, and E
V is an electromagnetically operated water discharge valve. The water discharge valve EV opens and starts discharging water in response to a signal issued by operating the water discharge switch WS, and the water discharging continues until the memory M1 started by the above signal is reset and the water discharge valve EV returns to the closed state.

TM determines whether the relationship between the elapsed time t from the time the user enters the room and closes the door to the time the user operates the water discharge switch WS and the set time T is t≧T or t<T. The timers FS-Q+ and FS-Q2 that make the determination are float switches provided in the washing water tank. Figure 2 shows
Float switches FS-Q, + and float switch FS-Q2 are shown. The float switch FS-Q consists of a float F+ guided by a guide pipe P1 and a reed switch LS-1 provided at the bottom of the guide pipe P1, and the float switch FS-Q2 consists of a float guided by a guide pipe P2. F2 and a reed switch LS-2 provided at the bottom of the guide pipe P2.

Float switch FEI-Q+ outputs a signal when float F is lowered by H than the full water level WL, and float switch FS-Q2 outputs a signal when float F2 is lowered by H from the full water level WL.

The reset system of the memory M1 includes the memory M2, two logical sum gates AD-1 and AD-2, a logical product gate OR, and the two float switches FS-Q1 and FS-Q2.

If the elapsed time t from the time the user enters the room and closes the door to the time the user operates the water discharge valve WS is shorter than the set time T, that is, if t<T, then t<T. Since the signal of is input to the OR gate AD-2, when the water level of the washing water tank falls by h and a signal is output from the float switch FS-Q2, the OR gate AD-
An output signal is output from 2, and this output signal is output from AND gate O.
It goes through R to the memory M and the glue set terminal. Water discharge valve EV
transitions to the closed state at this point, that is, when the water level of the washing water tank has fallen by h (at the moment when water of amount Q2 has been discharged).

On the other hand, if t≧T, the logical sum game) AD-2 does not receive the signal from the timer TM (the signal is 0), so even if the signal is output from the float switch FS-Q2, this The signal is not a signal that outputs an output signal from AD-2 (OR game). Therefore, in this case, even if the water level in the washing water tank drops by h, the water discharge valve EV is not closed and the washing water continues to be discharged. When t≧T, the memory M1 is reset by the output signal of the OR gate AD-1. What enters the OR gate AD-1 are the signal sent from the timer TM via the memory M2 when t≧T and the signal sent from the float switch FS-Q+. Among these signals, the signal from the timer TM is 0 in the logical sum game) AD-1 at the time when t=T, so the logical sum game) AD-1 indicates that the water level in the washing water tank is only H. By lowering, the float switch FS-Q outputs an output signal when a higher signal arrives. This output signal enters the memory M via the AND gate oR, thereby causing the water discharge valve EV to transition to the closed state. Release of washing water in this case: fi: If, Q+. In addition,
RL is a reset line for timer TM and memory M2.

In the above embodiment, the float switch TI'5-Q1
, FS-Q2, logical sum gates AD-1, AD-2, and logical product gate OR constitute a selection device for selecting whether to spray a large amount of water Q1 or a small amount of water Q2. However, the time t1. required for the water level of the washing water tank to fall by h. and the time t11 required for the water surface to fall by H are both constants, so the above system is configured as a timer that operates in relation to the elapsed time from the time when the water discharge valve EV was opened and tll and tll. The timer provided in this case is made to work together with the above-mentioned timer TM and performs the same function as the above-mentioned example.

C1 Effects of the Invention The amount of flushing water that is discarded as useless in women's flush toilets at stations, schools, etc. reaches an enormous amount, causing an increase in the maintenance costs of such toilets. The present invention makes it possible to significantly reduce this cost.

[Brief explanation of drawings]

FIG. 1 is a circuit diagram showing an example of a water saving device according to the present invention, and FIG. 2 is a drawing illustrating the structure of a float switch in the one shown in FIG. 1. OWS...Water discharge switch D
S...Door switch EV...Water valve TM...
Timer FS-Q, FS-Q, 2...Float switch Ml, M2...Memory AD-1, AD-2
...Disjunctive gate OR...Disjunctive gate procedural amendment 1 Display of case 1982 Patent Application No. 090493 2, Name of invention Water saving device for women's flush toilet 6, Relationship with the amended person case Patent Applicant 5 Date of Notice of Reasons for Refusal No Contents of Amendment ■ The statement in the scope of claims column in the specification is amended as follows. Note 2, Claims From the time the user enters the room to the time the user operates the water discharge valve 1
A timer that determines whether the relationship between the elapsed time t and the set time T is t≧T or t<T, and a large amount of washing water discharge for large washing and a large amount for small washing. and a water discharge amount selection device that selects the discharge of washing water with a small amount of water according to whether the signal emitted from the timer is a signal of t≧T or a signal of t<T. Water saving device for flush toilets. (2) "When a user enters the room and closes the door" on page 6, lines 5 and 6 in the specification is corrected to "when the user enters the room."

Claims (1)

[Claims] Determine whether the relationship between the elapsed time t from the time the user enters the room and closes the door to the time the user operates the water discharge valve and the set time T is t≧T or t<T. A timer and a signal emitted from the timer to discharge a large amount of washing water for washing a dog and a small amount of washing water for washing a small dog are either t≧T or t<T. A water saving device for a women's flush toilet, characterized in that it comprises a water discharge amount selection device that selects the amount of water discharged according to the amount of water discharged.