JPS5985621A - hot water control device - 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 Field of Industrial Application The present invention is directed to a hot water supply control device for a hot water supply system for commercial use and general offices. As shown in Figure 1, the device has the function of heating and keeping water in a hot water tank 1 warm with a heater 2, opening a hot water valve 3 for a predetermined period of time, and collecting coffee extracted through a filter 4 with a server 5. The configuration was common, and in order to notify the user that hot water was being supplied (d), a light display such as a lamp was used to notify the user.When the hot water supply was completed, the hot water supply valve was closed and at the same time the hot water supply valve was closed. This display disappeared, signifying the end of hot water supply, but in reality (there was still hot water left in the Gutwilter),
Do not continue brewing coffee until the water runs out. After the hot water has been heated, the user must confirm that there is no more dripping into the server before transferring multiple cups of coffee from the server to the cup. It was defective.

OBJECTS OF THE INVENTION The present invention provides a hot water supply control device which eliminates such conventional problems and improves usability. A hot water supply control timer device that opens the hot water supply valve, a remaining water notification timer device that starts operation at the same time as the hot water supply valve closes, and stops operation after a predetermined time (((()),
The system is equipped with a multi-by-break that oscillates only when the remaining water notification timer is in operation, and a display device that lights up when the hot water supply control timer is in operation and blinks while the remaining water notification timer is in operation, and has a display device that lights up while the hot water supply control timer is in operation and blinks while the remaining water notification timer is in operation. Turn on a display device such as a light emitting diode, and when the hot water supply is finished, the remaining water will drip into the server.
During the time, the display device blinks, and when the remaining water has finished dripping, the display device is turned off.

EXAMPLES Below, one embodiment of the present invention will be described in detail. The basic water supply rate is y as shown in Figure 1: No change.

FIG. 2 is a block diagram showing an outline of an apparatus according to an embodiment of the present invention, in which 6 is a hot water supply valve, 7 is a hot water supply valve, and 1. 8 is a display device consisting of a light emitting diode, etc.; 9 is a remaining water notification timer which starts operating at the same time as hot water valve 6 closes and stops operating after a predetermined time; 10 is a remaining water notification timer; A multi-bye break oscillates only when the water notification timer 9 is in operation, and 11 is an off switch. When the power is turned on here, the hot water supply control timer 7 starts operating, opens the hot water supply valve 6, and operates the display device 8. When a predetermined period of time has elapsed, the hot water supply control timer 7 stops operating and closes the hot water supply valve 6, the remaining water notification timer 9 and 1) U multivibrator 10 start operating, and the display device 8 shows the multivibrator. The operation starts with the output signal of 1o. Further, when a predetermined period of time has elapsed, the operation of the remaining water notification timer 9id is stopped, the operation of the multivibrator 10 is corrected 19, and the operation of the display device 8 is stopped. Furthermore, if the cut-off switch 11 is turned on during hot water supply, that is, while the hot water supply control timer 7 is in operation, the hot water supply valve 6 (
Closing and remaining water notification timer 9. Then, the multi-vibrator 1o starts operating, and the display device 8 starts operating based on the output signal of the multi-vibrator 1o. Thereafter, the operation is normal, that is, after a predetermined period of time has elapsed, the remaining water notification timer 9 stops operating 2, the multivibrator IQ stops operating, and the display device 8 stops operating.

FIG. 3 shows a specific example of the apparatus according to the present invention, which will be explained in more detail. When the power is turned on, the transformer 13. The rectifier circuit 14 forms a power source for the control circuit, and the hot water supply control timer T starts operating. That is, the voltage at the connection point between the resistor 16 and the capacitor 16 begins to rise as the capacitor 16 is charged. and resistance 17
．． Until the reference voltage v1 set by 16 is reached,
The output of the open collector output comparator 19 is made high by the resistor 20, which operates the transistor 221dONj,... through the resistor 21, and operates the solenoid 23 to open the hot water supply valve 6. At the same time, the transistor 26 is also turned on through the resistor 24, so the light emitting diode 27 is turned on through the resistor 26. When the charging voltage of the capacitor 16 exceeds the reference voltage V+ of the comparator 19, the output of the comparator 19 becomes low, the transistor 22 is turned off, and the energization to the solenoid 23 is stopped. 6 closes.

At the same time, the transistor 25 is also turned off. At this time, since the transistor 28 is in the OFF state, the light emitting diode 27 is turned off. Here, the time it takes for the voltage at the connection point of the resistor 16 and the capacitor 16 to reach the reference voltage v1 determines the amount of hot water supplied, and can be arbitrarily set depending on the resistance values of the resistors 15 and 17.18 and the capacitor 16. It is possible that the output of comparator 19 becomes low.
The remaining water notification timer 9 starts operating. That is, the voltage at the connection point between the capacitor 29 and the resistor 30 begins to drop due to the sharpness of the capacitor 2 as well. And the voltage at this connection point is fixed by resistor 31.32 and is the reference voltage! EE Vt
When the output of the open collector output comparator 33 becomes high through the resistor 34, the operation of the multi-by-break 10 is stopped through the diode 35. Then, the transistor 28 is turned off and the light emitting diode 27 is turned off.
Turn off the light. Here, the time it takes for the voltage at the connection point between the capacitor 29 and the resistor 3o to reach the reference voltage v2 is the remaining water notification time (i.e., after the hot water supply valve 6 is closed, the coffee extracted after passing through the coffee beans in the filter It can be set arbitrarily by the capacitance of the capacitor 29 and the resistance values of the resistors 3Q and 31°32.

Furthermore, when the output of the comparator 19 becomes low, the multi-vibration breaker 1o also starts operating. That is, the voltage at the connection point between the capacitor 36 and the resistor 37 is
begins to fall due to charging. And resistance 38 +
391 and the normalized pressure v set by the positive return it94o
3, the output of the oven collector output comparator 41 is low, and the transistor 28 is turned off.
I'm making it F.

Furthermore, since the transistor 24 is also OFF, one light emitting diode 27 is off (from point 1 to point b in FIG. 4). When the voltage at the connection point reaches the reference voltage v3,
The output of the comparator 41 becomes a high output through the resistor 42, which turns on the transistor 28 through the resistor 43 and lights up the light emitting diode 2. At the same time, when the transistor 28 is turned on, the transistor 45 is turned on through the resistor 44, and the capacitor 36 starts discharging through the discharge resistor 46. And capacitor 39 and resistor 3
The voltage at the connection point with resistors 38, 39 . and positive feedback resistor 4
When the reference voltage V, / set by o is reached, the output of the comparator 41 (d becomes low output, l
8 is turned off, the light emitting diode 27 is turned off, the transistor 45 is also turned off, and the capacitor 36 stops discharging (from point b to point 0 in FIG. 4). Here, the reference voltages v5 and v3' have hysteresis due to the action of the positive vibration resistor 40 depending on the output state of the comparator 41, and during this time the capacitor 36 is repeatedly charged and discharged, causing the light emitting diode 2T to blink ( (See Figure 4).

Here, the blinking period of the light emitting diode 27 is determined by the capacitor 3.
6 and a resistor 37, and a discharging time constant consisting of a capacitor 36 and a resistor 46, which can be arbitrarily set.

Then, when the remaining water display time ends, the comparator 33
The output becomes a high output and is inputted to the inverting input terminal 47 of the comparator 41 through the diode 35, and the output of the comparator 41 becomes a low output. Then, transistor 2sidOF L and diode 27? All operations are completed when the light is turned on.

Further, this hot water supply apparatus is provided with an off switch 11 in case the user wishes to supply less hot water than the constant supply amount θr. That is, when the switch 48 is turned on while the hot water supply control timer 7 is operating, the transistor 22 is turned off and the hot water supply valve 6 is closed, and the remaining water notification timer 91 and the multivibrator 10 start operating δ\The light emitting diode 27 blinks. It means that you should start. In this way, even if the cut-off switch 11 is turned on during heating, the user can be notified that there is water remaining for a predetermined period of time, and the initial turn-off time when the light starts blinking can be changed. By setting the time to be longer than the light-off time during rain, when the user turns on the switch 48,
This is because it has the effect of confirming that the operation was accurate.

Effects of the Invention As is clear from the upper embodiment, the hot water supply control device of the present invention allows the user to know the hot water supply status by lighting the display device during hot water supply and by blinking the display device during the remaining water notification time. This will clearly notify the users of the information and improve its usability.

[Brief explanation of drawings]

FIG. 1 is a cross section Z showing the schematic configuration of the hot water supply control device, FIG. 2 is a block diagram showing the politics of an embodiment of the device of the present invention, and FIG.
The figure is a circuit diagram showing the same specific example, and the 41st line is a timing chart showing the lighting and extinguishing states of the light emitting diode. 6...Hot water supply valve, 7...Hot water supply control timer, 8...Display device, 9...Remaining water notification timer, 10...Multi-by-break , 11...
・Off switch. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
Figure r-11----1111----

Claims (1)

[Claims] A hot water supply control timer that opens a hot water supply valve during a predetermined time; a remaining water notification timer that starts operating at the same time as the hot water supply valve turns 11゛j and stops operating after a predetermined time; and the remaining water notification timer example 1.
A hot water supply control device comprising: a multi-vibrator that oscillates only when ζ is in operation, and a display device that lights up when the hot water supply control timer is in operation and flashes when the remaining water notification timer is in operation.