JPH0666260A - Automatic feed water system - Google Patents

Abstract

PURPOSE:To provide an automatic feed water system in which water in a water tank to be installed in a high position does not become insufficient. CONSTITUTION:A water tank 1 installed in a high position is provided with means 7, 8, 9 for detecting highest and lowest levels and at least one level detector 10, 11, 12 is provided between the highest and lowest level positions and the position at which feeding of water is started can be varied when necessary.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic water supply device.

[0002]

2. Description of the Related Art For example, Japanese Laid-Open Patent Publication No.
As disclosed in Japanese Patent No. 208597, a lower limit water level detector for detecting a water level for starting water supply and an upper limit water level detector for detecting a water level for stopping water supply are provided,
It controls the start and stop of the water supply pump.

[0003]

However, in an apartment or a hotel, a large amount of water is often used in the same time zone in the evening or later to prepare dinner, prepare a bath, or the like. In such a case, according to the conventional method, the pumping pump does not start unless the water in the high water tank reaches the lower limit water level.
If the water in this high water tank is below the lower limit water level, and the amount of water used continues to exceed the pumping pump capacity,
In a recent building where the water in the elevated water tank has run out and there is a monitoring system for building equipment, a notification is given that there is an abnormality in the elevated water tank, and water is supplied satisfactorily to each room in the building. It is conceivable that it will not be possible.

An object of the present invention is to provide an automatic water supply system which can solve such a problem and prevent the water in the high water tank from running out.

[0005]

The object of the present invention is to connect a pump for pumping water, to introduce an introduction pipe for replenishing water into a water tank at an upper portion of the water tank, and at a lower portion of the water tank, a drain pipe for water supply. Is provided, in the automatic water supply device provided with pumping pump control means for operating or stopping the pumping pump based on the detection signal of the water level detector that detects the upper limit position and the lower limit position of water in the water tank, This is achieved by providing at least one water level detector between the upper limit position and the lower limit position detected by the detector so that the pumping start water level can be changed.

[0006]

According to the above construction, since the water supply start water level for supplying water to the water tank can be changed at any time, the water in the water tank will not run short.

[0007]

Embodiments of the present invention will be described in detail below with reference to FIGS. 1 and 2.

Here, FIG. 1 is a schematic diagram showing a configuration of an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a configuration of a main part of the embodiment of the present invention.

As shown in FIG. 1, in the embodiment of the present invention, a water tank 2 for storing water is arranged on the lowest floor of the building,
A high water tank 1 is installed on the roof of the building, and these water tanks 2
The elevated water tanks 1 are connected by an introduction pipe 13, and the pumping pump 3 is inserted into the introduction pipe 13. The water in the water receiving tank 2 is pumped up by the operation of the pumping pump 3, and the water is supplied from the upper portion of the high water placing tank 1 to the high water placing tank 1 through the introduction pipe 13.

Further, a drainage pipe 14 for water supply is provided in the lower portion of the elevated water tank 1, and a common electrode body 7 is extended and installed in the elevated water tank 1 from the upper portion to the lower portion. A lower limit electrode body 8 which is slightly shorter than the common electrode body 7 is attached to the lower portion substantially parallel to the electrode body 7. A short upper limit electrode body 9 and a first medium limit electrode body 10 slightly longer than the upper limit electrode body 9 are attached to the lower part from the upper part of the elevated water tank 1, and a second medium limit electrode body slightly longer than the first medium limit electrode body 10. Electrode body 1
1 is attached to the lower part. Further, the third intermediate electrode body 12 which is slightly longer than the second intermediate electrode body 11 is attached downward.

The common electrode body 7 and the upper limit electrode body 9 described above are
By becoming conductive by the water 21 in the high water tank 1,
Since the water level of the water 21 in the elevated water tank 1 has reached the upper limit water level and the common electrode body 7 and the lower limit electrode body 8 are brought into a non-conducting state by the water 21 in the elevated water tank 1, the elevated water tank That the water level of the water 21 in 1 has reached the lower limit water level, and that the common electrode body 7 and the first middle limit electrode body 10, the common electrode body 7 and the second middle limit electrode body 11 and the common electrode body 7 and the third middle limit The limiting electrode body 12 is
The water level of the water 21 in the elevated water tank 1 has reached the first intermediate water level, the second intermediate water level, and the third intermediate water level by being rendered non-conductive by the water 21 in the elevated water tank 1, respectively. A water level detector 16 for detecting

The information signal of the number-of-uses information panel 6 into which the usage status of the room is input is input through a signal line 19 to a microcomputer control board 5 for processing the input signal, and this microcomputer control board 5 is controlled. It is connected via a line 18 to a pump control panel 4 for controlling the operation and stop of the pump 3.

The pumping pump control panel 4 is provided with a signal line 1
A pumping pump 3 for supplying water into the elevated water tank 1 is connected via 7, and a pumping pipe 13 for supplying water into the elevated water tank 1 is connected to the pumping pump 3.

As shown in FIG. 2, the water level detector 16 described above is used.
The first middle limit detection contact, the second middle limit detection contact, and the first middle limit detection relay with time limit 10T are connected in series inside, and similarly, the water level detector 16 and the second middle limit detection relay 11D are connected in series. The second middle limit detection relay 11D and the second time limit limited second limit detection relay 11T are connected in parallel.

Further, the water level detector 16 and the third middle limit detection relay 12D are connected in series, and a contact 10Ta and a contact 11 are provided.
Da and pumping pump control relay 4 are connected in series with each other. Similarly, the contact point 11Ta and the contact point 12Da are connected in parallel to the contact point 10Ta and the contact point 11Da, respectively.

Further, the contact 4a and the pumping pump 3 are connected in series. The microcomputer control panel 5, the contacts and the relays are connected between the power terminals P and N.

In the embodiment of the present invention having such a configuration, the water level detector 16 constitutes the first intermediate limit detector, the second intermediate limit detector and the third intermediate limit detector, and the pumping pump control relay 4, The contact point 10Ta and the contact point 11Da constitute a second medium water level pumping pump driving means, and similarly, the water pump control relay 4, the contact point 11Ta and the contact point 12Da constitute a third medium water level pumping pump driving means. .

The pumping pump 3 and the contact 4a constitute pumping means.

The operation of the embodiment of the present invention having the above-mentioned structure will be described below.

In FIG. 1, when the water 21 in the elevated water tank 1 is supplied to each floor of the building through the water supply pipe 14, the water level of the water 21 in the elevated water tank 1 gradually decreases. This water 2
When the water level of No. 1 drops below the tip of the first medium-limit electrode body 10, the first medium-limit electrode body 10 previously set by the water 21.
The non-conducting state between and the common electrode body 7 becomes the conducting state.

In FIG. 2, since the first intermediate electrode body 10 and the common electrode body 7 are electrically connected, the water level detector 16 causes the water level of the water 21 in the elevated water tank 1 to reach the first intermediate limit value. When the reaching is detected, the first time limit detection relay 10T with time limit
Is activated.

Further, in FIG. 1, the water 2 in the elevated water tank 1
When the water level of No. 1 further decreases and the water level of this water 21 falls below the tip of the second intermediate limit electrode body 11, the non-interval between the second intermediate limit electrode body 11 and the common electrode body 7 set by the water 21 until then. The conductive state becomes the conductive state.

At this time, when an information signal is input to the microcomputer control panel 5 through the signal line 19 from the above-mentioned number-of-use-of-rooms information panel 6, in FIG. 2, both the contact 10Ta and the contact 11Da are ON, A closed circuit is formed by the power supply terminal P, the microcomputer control board 5, the contact 10Ta, the contact 11Da, the pumping pump control relay 4, and the power supply terminal N, and the pumping pump control relay 4 is energized.

In this way, the pumping pump control relay 4
Since the contact point 4a is turned on when the pump is energized, power is supplied to the pumping pump 3 from between the power terminals P and N, the pumping pump 3 operates, and the water in the water receiving tank 2 flows through the introduction pipe 13. It is replenished into the elevated water tank 1 via

In FIG. 1, the water 2 in the elevated water tank 1
The water level of 1 is the first limit electrode body 10 and the second limit electrode body 11
Even if it is lower than the tip of the
When the information signal via the signal line 19 is not input to the microcomputer control panel 5, the water between the first intermediate electrode body 10 and the common electrode body 7 and the second medium space, which are set in the water 21 in the elevated water tank 1. The non-conductive state between the limiting electrode body 11 and the common electrode body 7 does not become the conductive state, and in FIG. 2, the contact point 10Ta and the contact point 11Da are shown.
The contact point 11Ta, the contact point 12Da, and the pumping pump control relay 4 are connected to the power source terminal P by the microcomputer control panel 5, the microcomputer control panel 5, the contact point 10Ta, the contact point 11Da, and the contact point 11T.
Since the closed circuit is not formed by a, the contact 12Da, the pumping pump control relay 4, and the power supply terminal N, the pumping pump control relay 4 is not energized, and the pumping pump 3 remains stopped.
Water is not replenished from the receiving tank 2 to the high water tank 1.

In this way, the number-of-uses information panel 6 is
The closed circuit is not formed by the microcomputer control panel 5 for the information signal, which is no different from the conventional automatic water supply means.

Therefore, in a normal operating state, when the water level lower limit detector 11 detects that the water level of the water 21 in the elevated water tank 1 has reached the lower limit value, the pumping pump 3 operates and the elevated water tank 1 Water is replenished from the water receiving tank 2 to the elevated water tank 1 through the introducing pipe 14 until the water level of the water 21 in the inside reaches the upper limit value.

Generally, in the case of a condominium, the water supply pipe for supplying water to each room of the building by this type of high water tank apparatus is
In the time zone from the evening to the resident's bedtime,
In addition, in the case of other uses, it is known that the maximum amount of water supply transiently becomes in the time zone according to the use, and the water supply volume in the time zone is significantly reduced. However, in practice, not only the time of day but also the amount of water supply increases, and the amount of water in the high water tank 1 decreases, which often causes a shortage.

In the embodiment of the present invention, the above-mentioned time period when the water supply amount transiently increases, that is, the water amount in the elevated water tank 1 transiently decreases, regardless of the time period, depending on the number of rooms used, By arbitrarily inputting into the number-of-use-room information panel 6, water is replenished from the water receiving tank 2 into the elevated water tank 1 before the water level reaches the lower limit, and the conventional problem of insufficient water supply is solved.

[0030]

According to the present invention, since the water supply start water level for supplying water to the aquarium can be changed in a timely manner, there is no shortage of water in the aquarium, and people using the water in this aquarium do not run out. It has the effect of not causing trouble.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing the configuration of an embodiment of the present invention.

FIG. 2 is a circuit diagram showing a configuration of a main part of an embodiment of the present invention.

[Explanation of symbols]

 1 High-position water tank 2 Water receiving tank 3 Pumping pump 4 Pumping pump control panel 5 Microcomputer control panel 6 Number of rooms used information panel 7 Common electrode body 8 Lower limit electrode body 9 Upper limit electrode body 10 1st medium limit electrode body 11 2nd medium limit electrode Body 12 Third medium electrode body

Claims (1)

[Claims] 1. An upper limit of water in the water tank, wherein an inlet pipe connected to a pump for pumping water to replenish the water tank is opened at an upper portion of the water tank, and a drain pipe for water supply is provided at a lower portion of the water tank. Between an upper limit position and a lower limit position detected by the water level detector, in an automatic water supply device provided with pumping pump control means for operating or stopping the pump according to a detection signal of a water level detector detecting a position and a lower limit position. An automatic water supply device characterized in that at least one water level detector is provided in the pump, and the pumping start water level can be changed.