JP2002342819A - Controller for automatic vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To notify a proper replacing timing for a component. SOLUTION: A main control part 201 supplys as operation frequency B of a water solenoid valve 101 from a RAM 311 to an arithmetic and logic unit 308 to add +1, the operation frequency B of the solenoid valve 101 after totalized is stored in the same address of the RAM 311, and holds it in a register 312. The main control part 201 supplys the operation frequency B of the solenoid valve 101 after totalized, which is stored in the register 312, to one input of the arithmetic and logic unit 308, and supplys an operation frequency A of the solenoid valve 101 from the RAM 311 to the other input of the arithmetic and logic unit 308, and a subtraction result A-B between the operation frequencies A, B of the solenoid valve 101 is held in a register 313. The main control part 201 supplys a control signal for notifying the replacing timing for the solenoid valve 101 to an input and output control part 206, when detecting that the subtraction result A-B in negative.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vending machine control device suitable for notifying a part replacement time.

[0002]

2. Description of the Related Art Parts constituting a vending machine of a vending machine include parts having a useful life, such as electric parts and mechanical parts. For example, a vending machine that cooks and sells cup beverages has components such as a motor and an electromagnetic valve for delivering dilution water, carbonated water, and concentrated liquid raw materials through piping. In addition, vending machines that sell prepared beverages such as canned beverages, bottled beverages, and packed beverages include solenoids for dispensing prepared beverages from columns, motors for transporting prepared beverages from columns to outlets, etc. With parts. As a result, vending machine managers must replace parts before they become unusable.

Conventionally, a table showing the standard service life of parts is provided on the back of the front door of the vending machine, on the technical data of the vending machine, etc. The vending machine was prevented from malfunctioning by replacing parts with reference to a typical useful life.

[0004]

However, since the operation frequency of the vending machine differs depending on the location, the method of exchanging parts based on the standard service life requires that the current parts can be used sufficiently. However, an extreme situation may occur in which a new part is replaced with a new part in spite of the fact that the current part is already unusable. In particular, when the latter situation occurs, there is a problem that the user is greatly inconvenienced.

Accordingly, an object of the present invention is to provide a vending machine control device capable of notifying an appropriate replacement time of parts.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems.

According to a first aspect of the present invention, there is provided a control device for a vending machine, which detects that an actual number of operations of a part constituting a selling means for selling a product is larger than a preset number of operations. Then, a control means for outputting a control signal for notifying that it is time to replace this part is provided. According to the first aspect, the manager of the sales office can replace the parts at an appropriate timing according to the location, so that the parts can be fully utilized and the failure of the vending machine can be reliably prevented. To play.

According to a second aspect of the present invention, there is provided the display device according to the first aspect, which includes a display unit for notifying that it is time to replace the component based on the control signal. A third aspect according to the first aspect is provided with a sound emitting means for notifying that it is time to replace a component based on the control signal.
According to these claims 2 and 3, the manager of the sales office,
Since the replacement time of parts can be confirmed by eyes and ears, the effect of quickly replacing parts is achieved.

According to a fourth aspect of the present invention, in accordance with any one of the first to third aspects, each time the selling means sells a product, the control means accumulates the actual number of operation of the component. According to the fourth aspect, there is an effect that the actual number of operations of the component can be accurately integrated.

According to a fifth aspect of the present invention, in accordance with any one of the first to fourth aspects, the control means includes a storage unit for storing a preset number of operations, an integrating unit for integrating the actual number of operations of the component,
Comparing the number of times of accumulation of the accumulating unit and the number of times of memory operation of the storage unit, and when the number of times of accumulation of the accumulating unit is larger than the number of times of memory operation of the storage unit, it is determined that the part is time for replacement. A comparing unit that outputs a control signal for notifying,
It is provided with. According to the fifth aspect, there is an effect that the actual number of operations of the component can be reliably compared with the preset number of operations.

According to a sixth aspect of the present invention, in the fifth aspect, the storage section can rewrite a preset number of operations. According to the sixth aspect, there is an effect that the replacement time of the component can be set in detail according to the type of the component.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be specifically described with reference to the drawings.

FIG. 1 is an example of a front view of a vending machine using the present invention. In the embodiment of the present invention, the vending machine prepares and sells a cup beverage.

In FIG. 1, a front door 1 is opened and closed using a right side end of a vending machine as a support shaft, and is necessary for cooking cup beverages, such as dilution water, carbonated water, concentrated liquid raw materials, and the like. To open or open when performing data setting for mixing or adding sugar, cream, ice, etc., or for maintenance of the sales organization, and to lock and close during normal sales. is there. The panel 2 is a transparent resin plate, and is for confirming a plurality of types of cup beverage samples 3 displayed inside. In other words, the user can obtain a plurality of types of cup beverage samples 3 through the panel 2.
By looking over, you can select the cup beverage you want to buy. Note that photographs or pictures of a plurality of types of cup beverages may be printed on the panel 2. The coin insertion slot 4 is a portion where a user inserts coins, and the inserted coins are supplied to a coin mechanism inside the vending machine. The bill insertion slot 5 is a part into which a user inserts a bill, and the inserted bill is supplied to a building bar inside the vending machine. The display unit 6 displays an inserted coin amount, an inserted bill amount, and the like. The price label 7 is arranged on the lower part of the cup beverage sample 3 in one-to-one correspondence. The product selection button 8 has a built-in selling lamp and a sold-out lamp, and is arranged below the cup beverage sample 3 in a one-to-one correspondence. When the user inserts a coin or inserts a bill to purchase at least one cup of beverage, the vending machine can use the diluting water tank, carbonated water tank, and concentrated liquid material tank only when the user has a content. The one corresponding to this cup beverage is lit. As for the sold-out lamp, when the dilution water tank is empty, the one corresponding to the cup beverage using dilution water is always lit, and when the carbonated water tank is empty, the one corresponding to the cup beverage using carbonated water is always lit. When one of the concentrated liquid material tanks is empty, the one corresponding to the cup beverage using the concentrated liquid material is constantly lit. The buttons 9, 10, and 11 are used to increase the amount of coffee ingredients, sugar, and cream when cooking a cup of coffee,
This is pressed before the product selection button 8 is pressed. Similarly, the weight reduction buttons 12, 13, and 14 are pressed before pressing the product selection button 8 when the user wants to reduce the amount of coffee raw material, sugar, and cream when cooking one cup of coffee beverage. The display unit 15 displays the degree of increase / decrease in the amount of coffee raw material, sugar, and cream. The button 16 without ice
When the addition of ice is not desired when cooking one cup of a COLOR beverage, the product selection button 8 is pressed before being pressed. Increase button 9,10,11, decrease button 12,13,14,
When the ice-free button 16 is pressed as needed, and then the product selection button 8 with the available lamp on is pressed, the cup beverage corresponding to the cup beverage sample 3 is cooked,
It can be taken out from the product outlet 17. Return lever 1
Numeral 8 is for returning the inserted coin from the return port 19 or returning the change obtained by subtracting the cup beverage purchase amount from the inserted coin or inserted bill from the return port 19.
The selling lamp 20 is turned on when the cup beverage is normally sold. The sales stop lamp 21 is turned on when all the cup beverages are sold out, or when the sales mechanism for cooking the cup beverage breaks down. The change-out lamp 22 is turned on when the total amount of change coins in the coin mechanism is equal to or less than a certain amount.
The selling lamp 20, the selling stop lamp 21, and the change-out lamp 22 are arranged on the substrate of the display unit 6.

FIG. 2 is a diagram for explaining an example of a vending machine of a vending machine using the present invention.

In FIG. 2, a water solenoid valve 101 is connected to a water supply port, and supplies and shuts off water from the water supply port according to opening and closing of the valve. The water pump 102 discharges water from the water solenoid valve 101 by a fixed amount by using the driving force of the pump motor 103. The water cooling coil 104 cools water from the water pump 102. The water flow regulator 105 is connected to the water cooling coil 10.
The cooling water from No. 4 is supplied to the water supply line 107 via the water solenoid valve 106 after the flow rate is adjusted.

The carbonator 108 stores carbonated water. Cooling water from the water cooling coil 104 is supplied through a water solenoid valve 109, and carbon dioxide is supplied from a carbon dioxide gas cylinder 110. Thus, inside the carbonator 108, the cooling water and the carbon dioxide gas are mixed to generate carbonated water, and a constant pressure (for example, 0.6 MPa) is applied. The carbonated water inside the carbonator 108 is discharged to the downstream side by the gas pressure from the carbon dioxide gas cylinder 110.
The water solenoid valve 109 is opened and closed according to the on / off state of a flow switch (not shown) for detecting the amount of water stored in the carbonator 108. When the water solenoid valve 106 is opened, the state of the flow switch is changed. Regardless, it remains closed. Thus, it is possible to prevent the supply pressure of the water supply line 107 from decreasing. Carbonated water flow regulator 11
Numeral 1 is for adjusting the flow rate of the carbonated water from the carbonator 108. The carbonated water cooling coil 112 cools the carbonated water from the carbonated water flow regulator 111 and supplies it to the carbonated water supply line 114 via the carbonated water electromagnetic valve 113.

The syrup tank 115 stores a concentrated liquid raw material serving as a beverage. Syrup tank 1
The concentrated liquid material inside 15 is discharged to the downstream side by the gas pressure from the carbon dioxide gas cylinder 110. The syrup cooling coil 116 cools the concentrated liquid raw material from the syrup tank 115. Syrup flow regulator 11
Numeral 7 is for supplying the cooling syrup from the syrup cooling coil 116 to the syrup supply line 119 via the syrup solenoid valve 118 after adjusting the flow rate. The number of paths from the syrup tank 115 to the syrup supply line 119 is provided in accordance with the type of cup beverage.

The multiple valves 120 are provided in a number corresponding to the type of cup beverage. For example, the multi-valve 120 in the upper part of the figure is connected to the water supply line 107 and two different types of syrup supply lines 119. The upper multi-valve 120 cooks a beverage obtained by diluting and mixing water and two different syrups, and a beverage supply nozzle 121.
To the cup 122. The multi-valve 120 in the middle of the figure is connected to the water supply line 107 and one type of syrup supply line 119. The middle multi-valve 120 cooks a beverage obtained by diluting and mixing water and one kind of syrup,
Discharge to 22. Further, the multi-valve 120 shown in the lower part of FIG.
Is connected to the carbonated water supply line 114 and one type of syrup supply line 119. The lower multi-valve 120 cooks a beverage in which carbonated water and one type of syrup are diluted and mixed, and the beverage is supplied from the beverage supply nozzle 121 to the cup 122.
Discharge to

FIG. 3 is a diagram for explaining a control device for a vending machine according to the present invention.

In FIG. 3, a main control unit 201 supervises control of a vending machine, and includes a ROM, a CPU, an R
AM and peripheral circuits (such as a counter). In other words, the main control unit 201 operates mainly on a microcomputer. Specifically, ROM
Is a program in which program data for integrally controlling a plurality of slave control units described later is stored in advance, and the CPU
A plurality of slave control units are controlled in accordance with the result of decoding the program data read from the ROM.
M is for writing or reading the result of calculation by the CPU and various data from a plurality of slave control units. In terms of hardware, ROM is a mask ROM for burning and fixing data in a manufacturing process, an EPROM for repeatedly writing and reading data by erasing data with ultraviolet light, or an EEPROM for repeatedly writing and reading data by electrically erasing data.
(Including a flash ROM). The CPU includes a program counter for designating the execution address of the ROM, an instruction decoder for decoding the contents read from the ROM, an arithmetic and logic unit for performing a logical operation, an accumulator for temporarily storing arithmetic data, and the like. The RAM is a volatile memory such as an SRAM, and retains stored contents using a backup power supply.

Coin processing control unit 202, bill processing control unit 2
03, the customer service control unit 204, the sales control unit 205, and the input / output control unit 206 correspond to a plurality of sub-control units, and have the same ROM, CPU,
Built-in RAM. The coin insertion mechanism 207 includes an out-of-change sensor that detects an out-of-change, receives the inserted coin from the coin insertion port 4, and returns the change from the return port 19 as necessary. The coin processing control unit 202 controls the coin insertion mechanism 207 to determine the denomination and true / false of the inserted coin, calculate the number of denominations, store surplus coins in a safe, pay out change, and the like. . Bill insertion mechanism 208
As with the coin insertion mechanism 207, a bill-out sensor is provided to detect a bill-out, receives an inserted bill from the bill insertion slot 5, and returns the bill from the bill insertion slot 5 as necessary. is there. The banknote processing control unit 203 controls the banknote insertion mechanism 208 to determine the denomination, authenticity, etc. of the inserted banknote, calculate the number of denominations, pay out a bill, and the like.
The coin processing control unit 202 and the bill processing control unit 203
The processing operation is executed each time coin insertion and bill insertion are performed. The coin processing control unit 202 and the coin insertion mechanism 207 constitute a coin mechanism, and the bill processing control unit 20
3 and the bill insertion mechanism 208 constitute a bill burr,
In place of the coin mechanism and the bill burr, a card reader (not shown) for inserting a prepaid card or a postpaid card may be provided so that cup beverages can be sold. The customer service surface 209 includes a display unit 6, a product selection button 8, an increase button 9, 10, 11, a decrease button 12, 13, 1,
4, a display unit 15, an ice-free button 16, a selling lamp 20, a sales stop lamp 21, and a change-out lamp 22. The customer service control unit 204 controls the customer service surface 209.
In other words, the customer service control unit 204 turns on the selling lamp 20, the sales stop lamp 21, and the change-out lamp 22 according to the customer service instruction regarding cup beverage sales from the main control unit 201, or turns on a sales-permitted lamp or sold-out lamp for each beverage sold. A lamp is turned on, and which of the plurality of product selection buttons 8 is pressed is detected, and a detection signal at this time is transmitted to the main control unit 201. The sales mechanism 210 is shown in FIG. The sales control unit 205 is a sales organization 2
In accordance with a sales instruction from the main control unit 201 in response to the detection signal from the customer service control unit 204, the user can cook a desired cup beverage and take it out at the product outlet 17. .

The keyboard 211 is provided with a numeric keypad and function keys, a display unit (organic EL, LCD, etc.) for displaying the contents related to the operation of these keys, and a buzzer on the front surface. The keyboard 211 is connected to the input / output control unit 206 by wire, and
It is disposed detachably on the back of the device, and is operated when performing data setting, price setting, maintenance, etc. for cooking cup beverages. In particular, in the embodiment of the present invention,
The keyboard 211 is provided with the water solenoid valves 101, 10 shown in FIG.
6, 109, carbonated water solenoid valve 113, syrup solenoid valve 11
8. Pump motor 103 (the above-mentioned parts)
It is also operated when setting the number of operations A as a reference for exchanging. The input / output control unit 206 includes a keyboard 211
Is transmitted to the main control unit 201. The main control unit 201, based on the input information, the coin processing control unit 2
02, each instruction is given to the bill processing control unit 203, the customer service control unit 204, and the sales control unit 205. The communication between the main control unit 201 and the sub control units 202 to 206 is performed by a polling method in which the main control unit 201 has a preferential transmission right, or by the main control unit 201 and the sub control unit 202.
To 206 may be any of the contention schemes having equal transmission rights.

FIG. 4 is a diagram for explaining the contents of the RAM of the main control unit in FIG. For example, the total number of bits of the RAM is 512 K bits, and the number of each word bit of the RAM is 8 bits. At this time, the total number of addresses in the RAM is 6
Since it is 4K, the number of each address bit of the RAM is 16
Bits (0000H to FFFFH, where H is hexadecimal). AaaH to bbbbbH of the RAM are water solenoid valves 101, 106, 109, carbonated water solenoid valve 113,
This is an area for storing the number of operations A as a reference for replacing the syrup solenoid valve 118 and the pump motor 103 by setting input from the keyboard 211. Further, ccccH to ddddH of the RAM are water solenoid valves 101, 106,
109, carbonated water solenoid valve 113, syrup solenoid valve 118,
The actual number of operations B of the pump motor 103 is determined by the main control unit 20.
This is an area for storing by one logical operation.

FIG. 5 is a diagram for explaining details of the main control unit in FIG.

In FIG. 5, an oscillation circuit 301 oscillates in a free-running manner based on the oscillation frequency of an oscillator (for example, a quartz oscillator, a ceramic oscillator, etc.). The clock generator 302 divides an oscillation clock from the oscillation circuit 301 by a predetermined frequency and outputs a system clock for operating an internal circuit of the main control unit 201. still,
The oscillation clock supplied to the clock generator 302 is not limited to the free-running oscillation, but may be a non-running oscillation using an external oscillation clock as it is. Data bus 30
Numeral 3 is arranged around the internal circuit of the main control unit 201 and transfers address data, program data, table data, operation data, and the like. The program counter 304 (PC) specifies the execution address of the ROM 305. Instruction register 306
(IR) holds program data, table data, and the like read from the ROM 305. The instruction decoder 307 (IDEC) decodes the instruction content held by the instruction register 306 and outputs a control signal for controlling the main control unit 201 and a control signal for controlling a plurality of external slave control units. Is what you do. The arithmetic logic unit 308 (ALU)
The two input data are added and subtracted, and the operation result at this time is output to the request destination via the data bus 303.
The accumulator 309 (ACC) temporarily holds the operation data of the operation logic unit 308. The data pointer 310 (DP) specifies an execution address of the RAM 311. The register 312 is a RAM3
AaaH-bbbbH or ccccH at 11
To ddddH, the data of the number of operations A and B is temporarily stored in order to take timing when the arithmetic and logic unit 308 performs an arithmetic operation. The register 313 temporarily holds other various data. The interrupt control circuit 314 receives an interrupt request from a plurality of external slave control units, and changes the value of the program counter 304 to a value corresponding to the interrupt request. As a result, the main control unit 201 executes a calculation process based on the interrupt request. In particular, the interrupt control circuit 314 receives an interrupt request from the input / output control unit 206 for setting the reference operation count A. When the interrupt control circuit 314 receives an interrupt request, the stack pointer 315 saves the current address value of the program counter 304 until the arithmetic processing based on the interrupt request ends. The input / output port 316 inputs and outputs data to and from a plurality of external slave control units. The ROM 305 stores the water solenoid valve 1
01, 106, 109, carbonated water solenoid valve 113, syrup solenoid valve 118, pump motor 103, and address aa of RAM 311 for storing the number of operations A, B of these components
aaH-bbbbH and ccccH-ddddH. Further, the plurality of slave control units include:
It has a configuration similar to that of FIG.

FIG. 6 is a flowchart centering on the main control unit for setting the number of operations A as a reference for components in the vending machine control apparatus of the present invention.

First, a worker at the sales office operates the keyboard 21.
When the user inputs a function key for setting the number of operation times A of the component by using 1, the input / output control unit 206 converts the input signal of the function key from the keyboard 211 into a setting start signal and sends it to the main control unit 201. Send. In the main control unit 201, the interrupt control circuit 313 receives the setting start signal as an external interrupt request, and according to the external interrupt request, the stack pointer 314 saves the current address value of the program counter 304, and Is set to an address value for executing a program routine for setting the number of operations A of the component. As a result, the main control unit 201 starts executing this program routine (A1).

A worker at the sales office uses the keyboard 211 to select one of the numbers corresponding to the water solenoid valves 101, 106, 109, the carbonated water solenoid valve 113, the syrup solenoid valve 118, and the pump motor 103 one by one. Is input, the input / output control unit 206 transmits an input signal of the numeric keypad from the keyboard 211 to the main control unit 201. The main control unit 201 fetches the input signal from the input / output port 316 and temporarily stores the input signal in the register 313, and thereafter determines which component the number of operations A is to be set (A2).

The main control unit 201 specifies the address of the RAM 311 for storing the number of operations A of this component by referring to the table of the ROM 305, and sets this address value in the data pointer 310 (A3).

When a worker at the sales office uses the keyboard 211 to input a numeric keypad representing a number of operations A of the component, the input / output control unit 206 transmits an input signal of the numeric keypad from the keyboard 211 to the main control unit. 201 (A4).

The main control unit 201 fetches the input signal from the input / output port 316 and temporarily stores the input signal in the register 313.
The number of operations A is stored in the address 11 (A5).

When a worker at the sales office uses the keyboard 211 to input a numeric keypad of one of the numbers corresponding to other parts on a one-to-one basis, the input / output control unit 206 inputs the numeric keypad from the keyboard 211. The signal is transmitted to the main control unit 201. Thus, the main control unit 201 determines that the number of operations A of another component is to be set, and re-executes step A2 and subsequent steps (A6).

When a worker at the sales office uses the keyboard 211 to input a function key for ending the setting of the number of operation times A of the parts, the input / output control unit 206 issues an input signal of the function key from the keyboard 211. Is converted into a setting end signal and transmitted to the main control unit 201. In the main control unit 201, the interrupt control circuit 313 receives the setting end signal as an external interrupt request, and according to the external interrupt request, the program counter 304 is set to an address value at which the stack pointer 315 is saved. As a result, the main control unit 201 ends the execution of the program routine for setting the number of operations A of the component, and starts executing the program routine before receiving the external interrupt request in step A1 from the continuation (A7).

FIG. 7 is a flow chart, mainly of the sales control unit, for detecting the actual operation of the parts in the vending machine control apparatus of the present invention. FIG. 7 detects actual operations of the water solenoid valves 101 and 109 and the pump motor 103 that operate according to the amount of carbonated water in the carbonator 108.

The sales control unit 205 operates normally from the transmission of the sales end signal to the main control unit 201 to the reception of the next sales start signal from the main control unit 201. Then, the process shifts to a standby mode for checking whether or not (B1).

First, the sales control unit 205 determines whether or not the amount of carbonated water in the carbonator 108 has been reduced to such an extent that carbonated water beverages cannot be cooked. More specifically, the sales control unit 205 outputs the output of a lower limit float switch (not shown) for detecting the lower limit position of carbonated water in the carbonator 108 (logical value “1” when on, and logical value “0” when off) The above determination is performed based on () (B2).

The sales control unit 205 includes the carbonator 108
When the carbonated water in the inside does not decrease to the lower limit position and detects a logical value “0” indicating that the lower limit float switch is off (B2: N
O) Perform another check process, and then go to step B
2 is executed again (B3).

The sales control unit 205 controls the carbonator 108
(B2: Y) when the logical value "1" indicating the ON of the lower limit float switch is detected when the carbonated water in
ES), and outputs a carbonated water reduction signal. Sales control unit 205
Opens the water solenoid valves 101 and 109 and drives the pump motor 103 based on the carbonated water reduction signal. As a result, water from the tap water is supplied to the carbonator 108, and carbonated water is generated. On the other hand, when the main control unit 201 receives the carbonated water reduction signal, it outputs a sales stop signal based on the carbonated water reduction signal and transmits the signal to the coin processing control unit 202, the bill processing control unit 203, and the customer service control unit 204. I do. Than this,
The coin processing control unit 202 controls the coin insertion mechanism 207 to return the inserted coin from the return slot 19, and the banknote processing control unit 203 controls the banknote insertion mechanism 208 to return the inserted banknote from the banknote insertion slot 5. Control and customer service control unit 204
Controls the sales stop lamp 21 to light up. As described above, the vending machine does not cook and sell the cup beverage (B4).

The sales control unit 205 includes the carbonator 108
It is determined whether or not the amount of carbonated water in the inside is increasing from the lower limit position. More specifically, the sales control unit 205 performs the above-described determination based on the output of the lower limit float switch (B
5).

When the sales control unit 205 detects a logical value "0" indicating that the lower limit float switch is turned off (B5: YE)
S) Further, it is determined whether or not the amount of carbonated water in the carbonator 108 is full. Specifically, the sales control unit 2
05 is based on the output of an upper limit float switch (not shown) for detecting the upper limit position of carbonated water in the carbonator 108 (logical value “1” when on, and logical value “0” when off) A determination is made (B6).

The sales control unit 205 controls the carbonator 108
When the carbonated water in the inside rises to the upper limit position and a logical value “1” indicating ON of the upper limit float switch is detected (B6: Y
ES), and outputs a carbonated water full signal. Sales control unit 205
Closes the water electromagnetic valves 101 and 109 and stops the pump motor 103 based on the carbonated water full signal. Thus, the water from the tap water is not supplied to the carbonator 108. On the other hand, when the main control unit 201 receives the carbonated water full signal, the main control unit 201 outputs a sales cancellation release signal based on the carbonated water full signal, and outputs the coin processing control unit 202 and the bill processing control unit 2.
03, transmit to the customer service control unit 204. Thus, the coin processing control unit 202 controls the coin insertion mechanism 207 to receive the inserted coin, the bill processing control unit 203 controls the bill insertion mechanism 208 to receive the inserted bill, and the customer service control unit 204 , So that the sales stop lamp 21 is turned off. As described above, the vending machine returns to the state of cooking and selling cup beverages. Further, the main control unit 201
When the carbonated water full signal is received, the water solenoid valves 101 and 109, the pump motor 1
The address of the RAM 311 for storing the actual number of operations B of 03 is specified, and the actual number of operations B of the water solenoid valves 101 and 109 and the pump motor 103 is rewritten by adding +1.
The details will be described later with reference to FIG. 8 (B7).

The sales control unit 205 determines whether a sales start signal has been received from the main control unit 201 (B8).
When determining that the sales start signal has been received from the main control unit 201 (B8: YES), the sales control unit 205 shifts to a sales mode for cooking and selling a cup beverage (B9). On the other hand, the sales control unit 205
When it is determined that the sales start signal is not received from (B)
8: NO), and step B2 is executed again.

FIG. 8 is a flowchart centering on the main control unit for comparing the number of operation times A, which is a reference of parts, and the actual number of operation times B of parts in the control device for a vending machine of the present invention. is there.

First, the main control unit 201 includes the interrupt control circuit 3
14 receives the carbonated water full signal, the current address value of the program counter 304 is stored in the stack pointer 315.
Then, the next address value of the program counter 304 is changed to an address value for executing a program for confirming the number of operations of the water solenoid valves 101 and 109 and the pump motor 103. Thus, the main control unit 201 starts executing the above program routine (C1).

The main control unit 201 refers to the table of the ROM 305, specifies the address of the RAM 311 for storing the number of operations B of the water solenoid valve 101, and calculates the number of operations B of the water solenoid valve 101 from the RAM 311 by an arithmetic logic unit. 308
Is stored in the same address of the RAM 311 and stored in the register 312 (C2).

The main control unit 201 supplies the number of operations B of the water solenoid valve 101 after integration accumulated in the register 312 to one input of the arithmetic logic unit 308. Further, the main control unit 201 refers to the table of the ROM 305, specifies the address of the RAM 311 that stores the number of operations A of the water solenoid valve 101, and calculates the number of operations A of the water solenoid valve 101 from the RAM 311 by the arithmetic logic unit 308. To the other input. Thus, the main control unit 201 holds the subtraction result AB of the number of operations A and B of the water solenoid valve 101 in the register 313 (C3).

The main control unit 201 determines whether or not the water solenoid valve 101 is time for replacement. More specifically, the main control unit 201 performs the above-described determination according to the sign of the subtraction result AB held by the register 313 (C4).

The main control unit 201 detects that the subtraction result AB is negative, and determines the actual number B of operation of the water solenoid valve 101.
Is determined to have exceeded the number of operations A serving as a guide for replacement (C4: YES), a control signal for notifying that the water solenoid valve 101 is about to be replaced is supplied to the input / output control unit 206. Based on this control signal, the input / output control unit 206 displays “Mizdenjiben XX” on the display unit of the keyboard 211.
The input / output control unit 206 may emit a buzzer of the keyboard 211 based on the control signal (C5).

The main control unit 201 detects that the subtraction result AB is positive, and determines the actual number B of operation of the water solenoid valve 101.
Is determined not to exceed the number of operations A as a guide for replacement (C4: NO), step C6 described later is executed.

The main control unit 201 includes the water solenoid valves 101, 10
9. It is determined whether all the operation times of the pump motor 103 have been confirmed (C6). When the main control unit 201 determines that all the operation times have not been confirmed (C6: Y
ES), the step C2 is executed again for the water solenoid valve 109 and the pump motor 103. On the other hand, the main control unit 201
Determines that all the operation counts have been confirmed (C
6: NO), this program routine is terminated, and the address value of the stack pointer 315 is set in the program counter 304. Thus, the main control unit 201 starts executing the program routine before receiving the carbonated water full signal of step C1 from the continuation.

The main control unit 201 is provided with a sales control unit 205
When a sales end signal is received as an external interrupt request from the company, it also has a program for executing the sequence of FIG. 8, and sells a cup beverage called the water solenoid valve 106, the carbonated water solenoid valve 113, and the syrup solenoid valve 118. The number of operations of the component that opens and closes each time can be confirmed each time a cup beverage is sold. Further, an individual counter for counting the number of actual operations of the above components may be provided in the main control unit 201.

FIG. 9 is a diagram showing a flow for detecting an actual operation of a part in the vending machine control device of the present invention. Note that FIG. 9 detects actual operations of the water solenoid valve 106, the carbonated water solenoid valve 113, and the syrup solenoid valve 118, which open and close each time a cup beverage is sold.

First, when the user inserts a coin for purchasing at least one cup of beverage into the coin slot 4, the coin processing control unit 202 transmits a coin receiving signal to the main control unit 201. When the user inserts a bill for purchasing at least one cup of beverage into the bill insertion slot 5, the bill processing control unit 203 transmits a bill reception signal to the main control unit 201. The main control unit 201 transmits a customer service signal for turning on the sellable lamp of the product selection button 8 to the customer service control unit 204 based on the coin receiving signal or the bill receiving signal. The customer service control unit 204 turns on the sellable lamp of the product selection button 8 that allows the user to purchase a cup beverage with coins or inserted bills based on the customer service signal. When the user presses one of the product selection buttons 8 (corresponding to, for example, the multi-valve 120 at the middle stage) while the sale available lamp is lit, the customer service control unit 204 performs a main control of a press signal of the product selection button 8. Part 20
Send to 1. The main control unit 201 transmits a sales start signal for selling a cup beverage corresponding to the product selection button 8 to the sales control unit 205 based on the press signal. The sales control unit 205 cooks and sells the cup beverage corresponding to the product selection button 8 based on the sales start signal, and sends a sale end signal of the cup beverage corresponding to the product selection button 8 to the main control unit 201. Send to

The main control unit 201, based on the sales end signal,
The same program routine as that of FIG. 8 is executed.

First, the main control unit 201 refers to the table of the ROM 305, specifies the address of the RAM 311 for storing the number of operations B of the water solenoid valve 106, and specifies the address of the RAM 311.
Is supplied to the arithmetic and logic unit 308 and integrated by +1.
Is stored at the same address in the RAM 311 and is held in the register 312.

The main control unit 201 supplies one of the inputs of the arithmetic logic unit 308 with the integrated operation number B of the water solenoid valve 106 held by the register 312. Further, the main control unit 201 refers to the table of the ROM 305, specifies the address of the RAM 311 that stores the number of operations A of the water solenoid valve 106, and calculates the number of operations A of the water solenoid valve 106 from the RAM 311 by the arithmetic logic unit 308. To the other input. As a result, the main control unit 201 holds the subtraction result AB of the operation times A and B of the water solenoid valve 106 in the register 313.

The main control unit 201 detects that the subtraction result AB is negative, and determines the actual number B of operation of the water solenoid valve 106.
Is determined to have exceeded the number of operations A as a guide for replacement, a control signal for notifying that the water solenoid valve 106 is about to be replaced is supplied to the input / output control unit 206. The input / output control unit 206, based on this control signal,
The display unit 1 displays “Mizdenjiben ○ ヲ ヲ ウ” or emits a buzzer on the keyboard 211.

Next, the main control unit 201 performs a process for confirming the number of times of operation of the syrup solenoid valve 118 connected to the middle multi-valve 120 in the same manner as the water solenoid valve 106. The main control unit 201 includes the syrup solenoid valve 118
When it is determined that the actual number of operations B has exceeded the number of operations A, which is a reference for replacement, the display unit of the keyboard 211 displays “Syrup Denjiben ○ ○ ヲAnd sound.

The object to which the present invention is applied is not limited to the above-mentioned cup-type vending machine, but also includes a dispenser installed in a restaurant.

[0061]

According to the present invention, the following advantages are provided.

According to a first aspect of the present invention, there is provided a control device for a vending machine, which detects that the actual number of operations of a part constituting a selling means for selling a product is larger than a preset number of operations. Then, a control means for outputting a control signal for notifying that it is time to replace this part is provided. Therefore, the manager of the sales office can replace the parts at an appropriate timing according to the location,
Parts can be fully utilized and vending machine failures can be reliably prevented.

According to a second aspect of the present invention, there is provided a display device for indicating that it is time to replace a component based on the control signal. A third aspect according to the first aspect is provided with a sound emitting means for notifying that it is time to replace a component based on the control signal.
Therefore, the manager of the sales office and the like can visually confirm the replacement time of the parts, and can quickly replace the parts.

According to a fourth aspect of the present invention, the control means accumulates the actual number of operation of the component every time the selling means sells a product. Therefore, the actual number of operations of the component can be accurately integrated.

According to a fifth aspect of the present invention, in accordance with any one of the first to fourth aspects, the control means includes a storage unit for storing a preset number of operations, an integrating unit for integrating the actual number of operations of the component,
Comparing the number of times of accumulation of the accumulating unit and the number of times of memory operation of the storage unit, and when the number of times of accumulation of the accumulating unit is larger than the number of times of memory operation of the storage unit, it is determined that the part is time for replacement. A comparing unit that outputs a control signal for notifying,
It is provided with. Therefore, the actual number of operations of the component can be reliably compared with the number of operations set in advance.

According to a sixth aspect of the present invention, in the fifth aspect, the storage section can rewrite a preset number of operations. Therefore, the replacement time of the component can be set in detail according to the type of the component.

[Brief description of the drawings]

FIG. 1 is an example of a front view of a vending machine using the present invention.

FIG. 2 is a diagram for explaining an example of a vending machine of a vending machine using the present invention.

FIG. 3 is a diagram for explaining a vending machine control device of the present invention.

FIG. 4 is a diagram for explaining the contents of a RAM of a main control unit in FIG. 3;

FIG. 5 is a diagram for explaining details of a main control unit in FIG. 3;

FIG. 6 is a flowchart centering on a main control unit for setting a reference operation count A of a component in the vending machine control device of the present invention.

FIG. 7 is a flowchart centering on a sales control unit for detecting an actual operation of a part in the vending machine control device of the present invention.

FIG. 8 is a flowchart centering on a main control unit for comparing a reference operation count A of a component with an actual count B of the component in the vending machine control device of the present invention.

FIG. 9 is a diagram showing a flow for detecting an actual operation of a component in the vending machine control device of the present invention.

[Explanation of symbols]

 101 water solenoid valve 103 pump motor 106 water solenoid valve 109 water solenoid valve 113 carbonated water solenoid valve 118 syrup solenoid valve 201 main control unit 204 customer service control unit 205 sales control unit 206 input / output control unit 210 sales organization 211 keyboard 305 ROM 308 arithmetic Logical unit 311 RAM

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Takeo Igarashi 5-20-8 Asakusabashi, Taito-ku, Tokyo Sanyo Electric Vending Machine Co., Ltd. (72) Hiroto Moriya 5-20-8 Asakusabashi, Taito-ku, Tokyo Sanyo Electric Vending Machine Co., Ltd. (72) Inventor Hiroyoshi Mizuno 5-20-8 Asakusabashi, Taito-ku, Tokyo Sanyo Electric Vending Machine Co., Ltd. (72) Masato Mori 5-20-8 Asakusabashi, Taito-ku, Tokyo Sanyo Electric F-term in Vending Machine Co., Ltd. (reference) 3E044 AA01 BA01 BA02 BA05 BA06 CA01 CA02 CA03 CC03 DA01 DA02 DA04 DA10 DB02 DB03 DB05 DC06 DC10 EA08 EA12 EA20 EB01 EB08

Claims (6)

[Claims] 1. When it is detected that the actual number of operations of a part constituting a selling means for selling a product is larger than a preset number of operations, it is notified that this part is to be replaced. A control device for outputting a control signal for a vending machine, comprising: 2. The vending machine control device according to claim 1, further comprising a display unit for notifying that a part is to be replaced based on the control signal. 3. The vending machine control device according to claim 1, further comprising: a sound emitting unit for notifying that a part is to be replaced based on the control signal. 4. The vending machine according to claim 1, wherein said control means accumulates the actual number of operation of the parts each time the vending means sells a product. Control device. 5. A control unit comprising: a storage unit for storing a preset number of operations; an integrating unit for integrating the actual number of operations of the component; an integrating operation number of the integrating unit; and a storing operation number of the storage unit. And a comparing unit that outputs a control signal for notifying that a part is to be replaced when the number of accumulation operations of the accumulation unit is greater than the number of storage operations of the storage unit. The control device for a vending machine according to any one of claims 1 to 4, wherein: 6. The vending machine control device according to claim 5, wherein the storage unit can rewrite a preset number of operations.