JPH0375019A - Automatic tea feeder - Google Patents

Abstract

PURPOSE:To obtain a tea feeder with a hot water feed valve at a low cost by providing a dual-purpose valve for a tea feed valve and the hot water feed valve. CONSTITUTION:A tea feed control means 17 has a hot water feed valve 7 feeding the hot water in a tank 2, a motor 12 reversing a tea strainer 8, a first switch 13 detecting that the tea strainer 8 is located at the positive position, and a second switch 14 detecting that the tea strainer 8 is located at the reverse position, it excites a hot water feed valve 7 via the on-signal of a tea switch 16, and it feeds hot water to the tea strainer 8 to feed tea. A hot water feed control means 19 excites the motor 12 via the on-signal of a hot water feed switch 18 to reverse the tea strainer 8, the motor 12 is stopped by the signal of the second switch 14, hot water is fed, the motor 12 is excited by the off- signal of the hot water feed switch 18, the tea strainer 8 is positively rotated, and the motor 12 is stopped by the signal of the first switch 13.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a tea dispenser that dispenses tea.

BACKGROUND OF THE INVENTION In recent years, tea dispensers that store hot water in a tank and brew tea by supplying a predetermined amount of hot water to tea cakes have become widely used in offices, restaurants, and the like. This is, for example, Utsukai Showa 60-151
It is shown in the No. 621 publication.

A conventional tea dispenser will be described below with reference to the drawings.

FIG. 4 shows a conventional tea dispenser. 1' is a tea dispenser, and 2' is a hot water storage tank. 3' is a hot water supply valve for tea, and 4' is a hot water supply valve for hot water. 6' is a tea strainer located directly below the medicated hot water supply valve and contains tea and sweets, and 6' is a hot water dispenser.

The operation of the conventional tea dispenser configured as described above will be described below.

When the user turns on the tea switch (not shown), the leather hot water supply valve 3' is activated and the hot water in the hot water storage tank 2' is poured into the tea strainer 6', passing through the tea leaves stored in the tea strainer 51. Then, the tea is supplied to the hot water cup 6'. Also, when the hot water switch (not shown) is turned on, the hot water supply valve 4
' is activated, and the hot water in the hot water storage tank 2' is directly supplied to the hot water cup 6'.

Problems to be Solved by the Invention However, with the above configuration, two hot water supply valves are required to supply hot water as an auxiliary function in addition to the main function of supplying tea. There was a problem in that the cost of parts was high because an electric circuit was required to connect the hot water tank to each valve, and pipes were needed to communicate between the hot water tank and each valve.

In order to solve the above-mentioned problems, the present invention provides a low-cost tea dispenser that has a single hot water supply valve by combining a medicinal hot water supply valve and a hot water supply valve.

Means to solve problems The automatic tea dispenser of the present invention achieves this objective.

A hot water supply valve that supplies hot water in the tank, a motor that reverses the system strainer, a first switch that detects that the tea strainer is in the normal position, and a second switch that detects that the tea strainer is in the reverse position. and a tea supply control means which energizes a hot water supply valve in response to an ON signal from a tea switch to supply hot water to a tea strainer to supply tea, and a tea supply control means which energizes a motor in response to an ON signal from a hot water supply switch to reverse the tea strainer, and controls the motor in response to a signal from a second switch. The hot water supply control means supplies hot water after the first switch is stopped, energizes the motor in response to the OFF signal of the hot water switch to rotate the tea strainer in the forward direction, and stops the strainer in accordance with the signal of the first switch.

Function: With this configuration, when the main function is to supply tea, the hot water supply valve operates, hot water is poured into the tea strainer, and tea is supplied to the tea cup. In the case of hot water supply, which is an auxiliary function, the tea strainer waits in the inverted position, and the hot water supply valve operates to supply hot water to the tea cup. Therefore, it is possible to supply both tea and hot water with one hot water supply valve.

EXAMPLES Hereinafter, examples of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of a tea dispenser according to an embodiment of the present invention. 1 is a tea dispenser, 2 is a hot water storage tank covered with a heat insulating material 3 such as glass wool, and a heater 4 is disposed at the bottom. 6 is a hot water supply pipe, and a hot water supply valve 6 for controlling hot water supply is provided between the pipes. 7 is a hot water supply port provided at the tip of the hot water supply vibro. Numeral 8 is a tea strainer located directly below the hot water inlet and contains tea and sweets, and numeral 9 is a hot water cup. 1o is a hopper for supplying new tea confectionery, and 11 is a tea gaff container for storing tea scraps. 12 is a motor for reversing the tea strainer. 13 is a first switch that detects that the tea strainer is in the correct position;
4 is a second switch that detects that the tea strainer is in the reverse position. The control device 16 includes a tea supply control means 17 which energizes a hot water supply valve to supply tea by supplying hot water to a tea strainer in response to an ON signal from a button tea switch 16, and a tea supply control means 17 which energizes a motor 12 to strain the tea by an ON signal from a hot water switch 1B. After reversing and stopping the motor 12 by the signal from the second switch 14, hot water is supplied, and the OFF signal from the hot water supply switch energizes the motor 12 to rotate the tea strainer in the normal direction, and the motor starts by the signal from the first switch. 12.

FIG. 2 is an example of a specific electric circuit. 2.0 is a power switch, in which the heater 4 and temperature fuse 23 are connected in series through the normally open contact 22 of the first relay 21, and the hot water heater is connected through the normally open contact 26 of the second relay 24. , the motor 12 for reversing the tea strainer is connected via the normally open contact 27 of the third relay 26, and the primary side of the power transformer 290 in the control board 28 is connected. A power supply circuit 3o is connected to the secondary side of the power transformer 29.

The control board 28 has a tea switch 16. as an input.
A boiling water switch 17, a first switch 13 that detects that the tea strainer is in the normal position, and a second switch 14 that detects that the tea strainer is in the reverse position are connected at one end to the DC power supply VCO, and the other end to each resistor. R, , R2, R3, and R4, and input terminals a, b, and c of the microcomputer 31.

It is connected to d. The output terminals ee'+9 of the microcomputer 31 are respectively 7732 + 33 + 34
are connected to a first relay 21 having a normally open contact 22, a second relay 24 having a normally open contact 26, and a third relay 26 having a normally open contact 27.

The tea dispenser configured as described above will be explained using the flowchart of FIG. 3.

It is checked in step 36 whether the base switch 16 is turned on. When the user turns on the base switch 16, H is input to the input terminal a of the microcomputer 31. In step 36, a program preset in the microcomputer 31 outputs H to the output terminal i, turns on the second relay 24 via the buffer 33, closes the normally open contact 25, and turns on the hot water supply valve 6. Turn on. Hot water in a hot water tank 2 is poured into a tea strainer 8 from a hot water supply port 7, and the tea is supplied to a container such as a hot water cup 9 through the tea confectionery contained in the tea strainer 8.

Return to step 36 again and turn off the base switch 16.
If so, connect L to the input terminal a of the microcomputer 31.
is input. Press step 37 and press the output terminal (L).
is output and hot water supply valve e is turned off.

Next, in step 38, it is checked whether the hot water switch 17 is turned on. When the user turns on the hot water switch 17, H is input to the input terminal of the microcomputer 31. In step 39, H is output to the output terminal q, and the third relay 26 is turned OFF via the buffer 34.
N, the normally open contact 27 is closed, and the motor 12 is turned on.

The tea strainer 8 begins to turn over as shown in FIG. In step 4o, it is checked whether the second switch 14, which detects that the tea strainer 8 is in the inverted position, is turned on. If the tea strainer 8 is completely reversed by the rotation of the motor 12, the second
The switch 14 is turned ON (L), and the input terminal d of the microcomputer 31 receives an H signal. Click on step 41 and
The motor 12 is turned off by outputting L to the output terminal q, and the tea strainer 8 stops at the reverse position. Go to step 42, check again whether the hot water switch 17 is turned on, and turn it on.
If so, press the button at step 43 to output H to the output terminal f and turn on the hot water supply valve. Hot water in a hot water tank 2 is directly supplied to a hot water cup 9 from a hot water supply port 7. Returning to step 42 again, when the button switch 17 is turned off, L is input to the input terminal. In step 44, the output terminal f
outputs ``L'' to turn off the hot water supply valve 6. Write step 45.

'H' is output to the output terminal q and the motor 12 is turned on.The tea strainer 8 begins to return to the normal position again.In step 46, the first switch 13, which detects that the tea strainer 8 is in the normal position, is turned on. When the tea strainer 8 is completely returned to the normal position by the rotation of the motor 12, the first switch 13 is turned ON L, and the input terminal c (C″′H”) of the microcomputer 31 is input. In step 47 , outputs 'L' to output terminal q and turns off motor 12.
The tea strainer 8 stops at the normal position and returns to step 36 again.

As described above, according to this embodiment, when the main function is tea supply, the hot water supply valve is activated and hot water is poured into the tea strainer, and the tea is supplied to the tea cup through the tea confectionery stored in the tea strainer. Ru. When supplying hot water as an auxiliary function, the tea strainer waits in the inverted position, the hot water supply valve operates, and hot water is supplied to the tea cup. Therefore, it is now possible to supply both tea and hot water with one hot water supply valve, and compared to conventional methods, one set of hot water valves, control circuits such as hot water valve drive relays, and pipes connecting the hot water tank and hot water valve are required. This makes it unnecessary, resulting in a significant reduction in parts costs.

Effects of the Invention As described above, the present invention includes a hot water supply valve that supplies hot water in a tank, a motor that reverses the tea strainer, a first switch that detects that the tea strainer is in the normal position, and a first switch that detects that the tea strainer is in the reverse position. a second switch that detects this, a tea supply control means that energizes a hot water supply valve based on the ON signal of the hexagram tea switch to supply hot water to the tea strainer and tea;
The motor is energized by the signal to reverse the tea strainer, and the motor is stopped by the second switch signal, then hot water is supplied for 3 hot water.

and a hot water supply control means that supplies current to the motor in response to an OFF signal from a hot water supply switch to rotate the tea strainer in the forward direction, and stops the motor in response to a signal from a first switch. Therefore, when the main function is to supply tea, the hot water supply valve operates and hot water is poured into the tea strainer.

The button tea is supplied to the tea cup through the tea leaves stored in the tea strainer. When supplying hot water as an auxiliary function, the tea strainer waits in the inverted position, the hot water supply valve operates, and hot water is supplied to the tea cup. Therefore, it is now possible to supply both tea and hot water with one hot water supply valve, and compared to the past, there are fewer control circuits for the hot water supply valve, a relay for driving the hot water supply valve, and a vibrator that communicates between the hot water tank and the hot water supply pipe. This eliminates the need for one set, resulting in a significant reduction in parts cost, and its practical effects are significant.

[Brief explanation of drawings]

FIG. 1 is a configuration diagram of a tea dispenser according to an embodiment of the present invention. FIG. 2 is an electric circuit diagram of the device, FIG. 3 is a flowchart showing the operation of the device, and FIG. 4 is a configuration diagram of a conventional tea dispenser. 2... Hot water storage tank, 4... Heater, 7
...Hot water valve, 8...Tea strainer, 12
...Motor, 13...01. first switch,
14...Second switch, 16...Fu...
Base switch, 17... Tea supply control means, 18...
- Button hot water switch, 19...Hot water supply control means.

Claims (1)

[Claims] a hot water storage tank, a heater provided in the tank, a tea strainer for storing tea leaves, a hot water supply valve for supplying hot water in the tank, a motor for reversing the tea strainer, and a first system for detecting that the tea strainer is in the correct position. a second switch that detects that the tea strainer is in the reverse position; a tea supply control means that energizes a hot water valve in response to an ON signal from the tea switch to supply hot water to the tea strainer to supply tea; and a tea supply control means that supplies hot water to the tea strainer to supply tea; The motor is energized to reverse the tea strainer, the motor is stopped by the signal from the second switch, the hot water supply valve is energized to supply hot water, and the motor is energized by the OFF signal from the hot water supply switch to rotate the tea strainer in the forward direction. An automatic tea dispenser consisting of a hot water supply control means that stops the motor in response to a switch signal.