JPS6019834B2 - Vending machine timer control method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a timer control method for a vending machine that operates according to a plurality of timer sequences.

B. Prior Art An example of a vending machine equipped with multiple timer sequences is a cup-type coffee vending machine.

Figure 1 shows the material mixer configuration of a cup-type coffee vending machine. The device 10 mixes each powdered material with hot water and pours the mixture into a cup 11. At this time, the drive motor 7
, 8, 9 - The solenoid valve 6 is designed to operate according to the timer sequence shown in Figure 2, but the concentration of each powder material varies depending on the material manufacturer and also varies depending on the size of the cup used. Therefore, the range of 0 is variable to some extent with respect to the driving time of the drive motors 7, 8, 9 and the solenoid valve 6. Traditionally, such timer control has generally been controlled by a so-called cam timer that combines a motor and a cam switch, but in recent years it has become possible to control vending machines using semiconductor circuits both economically and technologically. As time progressed, it became advantageous to set the timer time constant using a keyboard and to store data using a semiconductor memory backed up by the Batsute River Trowel. However, with this type of system, if the data in the semiconductor memory changes significantly due to reasons such as a long-term power outage, the mixing ratio may become incorrect, resulting in bad-tasting coffee being poured out or coffee overflowing from the cup. . C. Object of the Invention In view of the above, the present invention provides a timer control method for a vending machine that automatically sets predetermined standard timer data when set timer data deviates from a standard value.

D Example FIG. 3 is a block diagram showing an embodiment of the present invention.

Keyboard is "coffee", "sugar", "milk", "hot water"
function key 12 for selecting the
SK), an end key (EK), a numeric keypad 13 for setting timer data, and a decimal point key 14. The memory 2A dedicated for discussion is the storage section M.・M
Standard timer data regarding hot water, coffee, sugar, and milk are set in 2, ground, and M4, respectively. Microp.
Gram control device 3 has built-in programs for timer data setting and vending operation, and presses the start key (SK).
An operation program is selected by the operation or input of a sales signal, and control is performed based on the selected program.
Also gate g. . . . g4 is configured to become conductive or non-conductive in response to a gate signal output from the microprogram control device 3 according to a program. The memory 2, which can be used for writing, has memory sections M,', M2', M3', and M4' corresponding to hot water, coffee, sugar, and milk, which are introduced from the microprogram control device 3 via gate &. A predetermined storage section is called up based on the address information. Further, the comparison means 4 sequentially compares the standard timer data set in the microprogram control device 3 for each hot water, coffee, sugar, and milk introduced through the gate g with the set timer data stored in the memory 2. If they match within the reference value range, the set timer data in the memory 2 is introduced into the sales control device 5, and if they do not match, the standard timer data is introduced into the sales control device 5. These timer data are stored in the timer data memory 15 in the sales control device 5 based on the address information introduced from the microprogram control device 3 through the gate g2, and are controlled by the solenoid valve 6 and the delivery motors 7 and 8 according to the timer constants. , 9 are activated.
The operation according to the above configuration will be explained with reference to FIG. 6 and the flowchart shown in FIG.

First, when setting timer data, press the start key (S
When K) is operated, the control device 3 selects a timer data setting program and starts controlling the timer data setting. Then, when the function key 12 is operated, the control device 3 turns on the gate & and stores the memory portions M, ', M of the memory 2 corresponding to the material specified by the function key.
The address information of 2', M3', and M' is output to enter the write state. Then, when predetermined timer data is keyed in by operating the numeric keypad 13 and, if necessary, the decimal point key 14, this data is written into the addressed storage section.
For example, when the "coffee", "4", ".", and "2" keys are operated in sequence, a timer time of 4.2 steps regarding coffee raw material delivery is set, and the memory unit M2' stores the timer time corresponding to this timer time. A predetermined value is stored in binary code. Since the timer control in this example is achieved by clock pulses generated every 0.1 seconds, the control device 3 stores "42" in binary code in the storage pond when 4.2 sand is set. Write. In this way, by operating the function key 12 and then the numeric keypad 13 for each material, an arbitrary timer time is set in the metamory 2, and after the setting is completed, by operating the end key (EN), the control device 3 transfers the timer data. Cancels setting mode. When a person inserts a predetermined amount of money into the vending machine and receives a sales signal from a coin processing device (not shown), the control device 3 selects a vending operation program and controls the vending operation.

First, the control device 3 turns on the gate g4 and sequentially outputs the address information of the memory sections M, ', Ike', M3', and M4' of the memory 2 to set the address information to the open state. ′
- Introduce the data timer data of M4' to the comparison means 4.
Then, the control device 3 makes the gate seal conductive, and the storage section M. of the memory 2A.・The address information of M2, M3, and M4 is sequentially output to create a chanting state, and the memory unit M.・M2・M31M4
The timer data of is introduced into the comparison means 4. However, the comparison means 4 compares the set timer data for each material with the standard timer data, and if they match within the standard value range, the set timer data is introduced into the sales control device 5, but if they do not match, the comparison means 4 compares the set timer data for each material with the standard timer data. Standard timer data is introduced into the sales control device 5. For example, for Coffee Coffee, 1 second is set as the standard value, but the comparison means 4 determines that the set timer data is normal if the difference between the timer data and standard timer data is within ±1 second, and If the range is exceeded, the set timer data is determined to have changed and is set to 0. Therefore, each time a sales signal occurs, an abnormality in the set timer data is determined by comparing the set timer data with the standard timer data, and in the event of an abnormality, the standard timer data is adopted, so that the contents of memory 2 are appropriately erased. Provides protection. FIG. 4 shows the configuration of the sales control device 5, and the timer data memory 5 stores the timer data introduced for each material from the comparing means 4 into the storage section T.・It is stored in T2・L・L. At this time, the control device 3 makes the gate & conductive, and the storage section T. of the timer data memory 5.・L
・Sequentially output the address information of T3 and T4 to enter the write state. In the read-only memory 17, start data is preset for each material, indicating the point in time when the transmission starts after the sales signal is generated. According to the timing chart in FIG. 2, if the generation of the sales signal is To, then t.・t2・
and t4 are respectively set in the memory sections chi', ra', t3' and t4'. The start data set in the memory 7 is stored in the memory section by the control device 3 making the gate saddle conductive.
- It is read by sequentially outputting the address information of t2', t3', and t4'. Flip-flop circuits 18, 19
, 20, and 21 correspond to hot water, coffee, sugar, and milk, respectively, and gates G., 20, and 21 whose conduction is controlled by a gate signal output from the microprogram controller 3 are provided at the set end and the reset end.・○2...○8 is connected. The counting device 22 counts clock pulses inputted every 0.1 seconds when the counting operation is set by the control device 3, and the coincidence detection device 23 is configured to count clock pulses inputted every 0.1 seconds. Starting data for each material read from 7 and this count value CT
When a match is detected, a set signal is output.
That is, in the flowchart of FIG. 6, the control device 3 turns on the gates & and G2, first specifies the address of the storage section L', and introduces t start data t into the coincidence detection device 23. When the count value CT of the counting device 22 reaches the start date, a coincidence output is generated in the coincidence detection device 23 and the gate G2
The signal is introduced into the set end of the flip-flop circuit 18 through the gate. Therefore, the flip-flop circuit 18 is set, the solenoid valve 6 is driven, and hot water is poured out. Next, the control device 3 maintains the conduction of the gate &, specifies the address of the storage section 2', introduces the start data t2 into the coincidence detection device 23, and makes the gate G4 conductive. Eventually, when the count value CT of the counting device 22 reaches the start data by one, the coincidence output generated in the coincidence detection device 23 is output from the flip-flop circuit 1.
The coffee raw material is introduced into the set end of the coffee material 9, and the delivery motor 7 is driven by the setting of the flip-flop circuit 19, and the coffee raw material is delivered. Then, the control device 3 specifies the address of the storage section t3 while keeping the gate & conductive, and also makes the gate G6 conductive. Therefore, the count value CT becomes 1 from the start data.
When this happens, the flip-flop circuit 20 is set by the coincidence output from the coincidence detection device 23, and the delivery motor 8 is driven to send out sugar. Then, the control device 3 specifies the address of the memory section 2' while keeping the gate axis conductive, and makes the gate ○8 conductive. Thereafter, when the count value CT reaches the start data L', the flip-flop circuit 21 is set by the coincidence output of the coincidence detection device 23, and the delivery motor 9 is driven to dispense milk. In this way, the control device 3 sequentially outputs the start data L, t2, t4, and compares them with the count value CT, and when they match, sets the flip-flop circuits 18, 19, 20, and 21. Hot water, coffee, sugar,
The milk delivery is started. Therefore, the control device 3 makes the gate saddle conductive and specifies the address of the storage section T4,
The timer data stored in T4 is read out to the adder 24, and then the gate & is made conductive to designate the address of the storage section t4' and the start data t4 stored in T4 is read out to the adder 24.

Then, the adding device 24 adds the timer data of t and the start data of t4', and the control device 3 makes the gate G7 conductive. When the count value CT of the counting device 22 eventually reaches the addition value (T4) of the adding device 24, a coincidence output is generated in the coincidence detection device 25 and introduced to the reset terminal R of the flip-flop circuit 21 through the gate G7. Therefore, the flip-flop circuit 21 is reset, the delivery motor 9 stops operating, and the milk delivery operation is completed. Subsequently, the control device 3 makes the gate & conductive, specifies the address of the storage section T3, reads out the timer data stored in T3 to the adding device 24, and then makes the gate & conductive and specifies the address of the storage section T3.
After specifying the address 3', the start data t3 stored at 3' is read out to the adder 24. Then, when the added value (Ra1T3) by the adding device 24 reaches the count value CT,
The coincidence output produced by the coincidence detection device 25 is introduced by the control device 3 into the reset terminal R of the flip-flop circuit 20 due to the conduction of the gate G5. Therefore, the flip-flop circuit 20 is reset, the delivery motor 8 stops operating, and the sugar delivery operation is completed. and control device 3
conducts the gate bag, specifies the address of the memory section T2, reads out the timer data stored in L to the adder 24, then conducts the gate &, specifies the address of the memory section t2', and stores it in ''. Device 2 adds the starting data
4. When the added value (t20L) by the adding device 24 reaches the count value CT, the coincidence output generated in the coincidence detection device 25 is controlled by the control device 3 so that the reset terminal R of the flip-flop circuit 19 is turned on by the gate G3. will be introduced to Therefore, the flip-flop circuit 19
is reset, the delivery motor 7 stops operating, and the coffee delivery operation is completed. Then, the control device 3 makes the gate & conductive, specifies the address of the memory section T, and sends the timer data stored in T, to the adding device 24, and then makes the gate shaft conductive and specifies the address of the memory section T,'. By specifying an address, the stored start data t'' is outputted to the adder 24. And the added value (t, 10T.) by the adding device 24
When reaches the count value CT, the coincidence output generated in the coincidence detection device 25 is introduced by the control device 3 to the reset terminal R of the flip-flop circuit 18 since the gates ◯ and ◯ are conductive. Therefore, the flip-flop circuit 18 is reset, the solenoid valve 6 stops operating, and the hot water pouring operation ends. In this way, the control device 3 inputs the start data L, t2,
t4 and each timer data set in the timer data memory 15 are sequentially added by the adding device 24, and when the addition result matches the count value CT, the flip-flop circuits 21, 20, 19, 18 are activated. By resetting, the delivery of milk, sugar, coffee, and hot water is completed in the order shown in the timing chart in FIG. Return. E. Effects of the Invention According to the present invention, the timer time is set to 0 within the standard value range and can be freely changed by the vending machine manager, and the desired fin preference can be set according to the setting location of the vending machine. be able to.

Moreover, if the set timer data deviates from the standard value due to a setting error or a long-term power outage, the corresponding standard timer data will be automatically set instead of the set timer data, so there will be no malfunction and stable automatic operation. The vending machine is expected to work.

[Brief explanation of the drawing]

Fig. 1 is a material mixing block diagram of a cup-type coffee vending machine, Fig. 2 is an operation timing chart, Fig. 3 is a circuit block diagram according to the present invention, and Fig. 4 is a circuit block diagram of a vending control device. 5 and 6 are flowcharts showing the operation. 1... Keyboard, 2... First storage means, 2A...
・Second storage means, 3... Microprogram control device, 4... Comparison means, 5... Sales control device. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6

Claims (1)

[Claims] 1. In a vending machine equipped with a plurality of timer sequences, a data input means for setting time data for each timer sequence, a rewritable first storage means for storing timer data set by the data input means, A second storage means is provided in which standard timer data is set in advance for each timer sequence, and when a sales operation starts, the set timer data and standard timer regarding the same type of timer sequence are stored from the first storage means and the second storage means, respectively. The data is read out, and the comparison means determines whether the set timer data is within a predetermined reference value range with respect to the standard timer data, and if it is within the reference value range, the set timer data is introduced into the timer data memory. . A timer control method for a vending machine, characterized in that when the standard timer data is outside the reference value range, the standard timer data is introduced into a timer data memory, and a vending operation is performed using the contents of the timer data memory as a timer constant.