JPS6075989A - Operation checking system of vending machine - 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 [Technical Field of the Invention] The present invention relates to a vending machine that sells beverages such as coffee in cups, and more particularly to a vending machine operation check method for checking the operation of the vending machine.

[Technical background of the invention and its problems]

For example, in a vending machine that sells drinks such as coffee in cups, there is a hot water tank, a coffee raw material canister,
A sugar canister and a cream canister are provided, and a predetermined amount of money is put into the coin mechanism, and a selection switch is used to select coffee with sugar, coffee with sugar and cream, etc., and when you want to increase or decrease the amount of sugar or cream. By further operating the Hwang Kun Yong switch, the coffee raw material discharge motor (coffee raw material motor) installed in the coffee canister operates for a certain period of time, supplying a certain amount of coffee raw materials into the brewer, and the coffee raw material discharging motor installed in the hot water tank. The solenoid valve opened for a certain period of time pours hot water into the puller, and the coffee raw material liquid is extracted at pull '7-. Then, depending on the selection, the extraction motors installed in the sugar canister and cream canister are activated to mix sugar and cream into the coffee raw material liquid, making it possible to sell delicious fresh coffee instantly. ing.

By the way, such vending machines are equipped with an operation check function for inspection during manufacturing and periodic inspection during operation. However, in the conventional production checking system, inspection switches are provided inside the vending machine for each inspection item, and the operation is checked by selectively operating these inspection switches. Therefore, in order to test a large number of items, it is necessary to provide a corresponding number of test switches, and the provision of such a large number of switches requires a large amount of space, making the equipment large. It also had the disadvantage of increasing the number of parts and making it expensive.

[Object of the Invention] An object of the present invention is to provide a method for checking the operation of a vending machine, which eliminates the need for an inspection switch, thereby reducing the size and cost of the device.

[of the invention] ready-made

In order to achieve the above object, the present invention includes a mode designation switch and a control circuit for selectively specifying the normal vending mode and the operation check mode as the operating modes of the vending machine. Drive control procedures for multiple loads that operate during mode are already stored in memory in association with multiple sales switches, and when the operation check mode is designated by the mode designation switch, each sales switch is selected. In response to the operation, the drive control procedure for the load corresponding to that switch is read from memory,
The load is operated according to this drive control procedure.

[Embodiments of the invention]

, ;7'> Fig. 1 shows the front exterior of a vending machine to which the operation check method according to an embodiment of the present invention is applied, in which 1 is an advertising signboard, 2, 2 . ... is a selection switch, 3, 3. ... is a function switch, 4 is a sales lamp, 5 is a semi-4#ii medium lamp, 6 is a change lamp, 7 is a digital display, 8 is a money return lever, 9 is a coin 1 slot, 10 is a coin Return port, 11
is a sales outlet for beverage liquid. In addition, Figure @2 shows the items stored inside the vending machine, 12, J J,
14 indicates the main raw material ganister, 12 indicates the N coffee raw material ganister, 13 indicates the B coffee raw material ganister, 14
is C coffee raw material canister.

Further, 15 and 16 are auxiliary raw material canisters, 15 is a sugar canister, and 16 is a cream canister. Said?
! The raw material canisters 12, 13, and 14 are each provided with a raw material discharge motor, and the operation of the raw material discharge motor causes the coffee raw materials A, 13, and C to be supplied to the brewer 18 via the chute 17, respectively. There is. Also, each canister of sugar and cream is 15゜1.
6 is also provided with a raw material discharge motor, and sugar and cream are supplied to the mixer 20 via the chute 19 by the operation of these raw material discharge motors. 21
is a hot water tank with a built-in heater, and hot water is poured into the coffee raw material supply section of the pull 718 through a pipe 23 by operation of a pump 22. The pull 918 is provided with a roll-shaped paper filter, and the coffee raw material liquid is extracted by this paper filter.

This coffee raw material liquid is temporarily stored in a stock chamber 24. The coffee raw material liquid stored in this stock chamber 24 is transferred to the mixer 20.
The sugar and cream are supplied to the mixer 20 at the same time as the sugar and cream are supplied to the mixer 20. The mixer 2
A cup station 25 is provided below the outlet 11 and above the outlet 11, and a cup released from a cup holder (shown in FIG. 3, which will be described later) is set therein. 26
is a υ output bucket, and the above-mentioned outlet II is connected to this bucket 26.
I am trying to collect the coffee liquid that leaks out. 29 is a paper filter winding roller that winds up the paper filter used by the brewer I8. Further, when this paper filter is wound up on the winding roller 29, coffee grounds are collected through the chute 30 into the zelkova bucket 3I.

FIG. 3 schematically shows the structure of the constituent parts of the self/Q horn vending machine of this embodiment. In the figure, a temperature sensor 4I is attached to a hot water tank 2I, and a hot water temperature detection signal is generated from this temperature sensor 4I. In addition, a water supply channel 32 is provided in the water supply channel of the hot water lamp 21, and the water level in the hot water tank 21 is detected by a float 46 in the female turn 32. When the water level falls below a predetermined value, an old water level switch 42 sends a water supply shortage signal.・In addition, 33 in the figure is hot water tank 2I.
The heater 43 is a 6-degree fuse. on the other hand,
The brewer 18 is unitized and can be inserted into and removed from the inside of the vending machine, and its insertion/removal guide section is configured to generate a suction uncertainty signal upon detection of the insertion state. Further, the paper filter winding reroller 29 (FIG. 2) of the brewer 18 is provided with a paper winding detection cam, which detects the presence or absence of vapor. Furthermore, a drain flow I/27 is provided in the drain bag 26, and when this float 27 rises to a position where a certain amount of liquid is filled, a drain switch 28 is turned on and a signal indicating a full state is issued. It has become. Further, 34 indicates a cup holder, and this cup holder 34 is composed of three rows of holders, and the cups are ejected in the order of the center holder, the left holder, and the right holder. At this time, each holder is switched by a switching mechanism (not shown), and when the left and right holders are in use, the cup selector switches 44 and 45 output a selector switch signal "right", respectively. Further, the ejection of the cup 35 from each of the holters is performed by a ejection mechanism using a pumping solenoid 36. Reference numerals 37 and 38 in the figure are a coffee hot water valve and a pinch valve for storing a certain amount of extracted coffee raw material liquid, both of which are electromagnetic valves.

On the other hand, diagram fA4 shows the configuration of the circuit section, and 5I is the main control section (c, p U ) consisting of a microprocessor.
It shows. This CPU 51 controls the ROM (read only memory) 52f Hi, and this R,0M5
2.1% based on the program data stored within
A M (Langmu Access Mesori) 53 and I1
0 port 54.

This ■10 boat 54 includes mode changeover switches, selection switches 2, 2, . . . and function switches 3.3. . . . and each motor group, such as a coffee raw material motor group, a sugar motor, and an IJ-me motor, are respectively connected. Each of these motor groups has a motor drive circuit operated by a control signal from the I10 port 54, and is operated by the output of this drive circuit. In addition, the coupling solenoid 36 and the pinch valve solenoid 38 are connected to the ■10 port 54.
, a group of lamps such as a cup switching solenoid, and a group of lamps are connected. This run ff is the selector switch 2.2. ... and function switches 3, 3 . The I10 boat 54 includes a sales ready indicator lamp, a change lamp 6, an on-sale lamp 4, and a preparation lamp 5, which are provided in correspondence with the water temperature detection lamp 5. Various abnormality detection signals such as signals and water supply shortage signals, reset signals, cup switching signals, pump float signals, brewer signals, and other signal groups have been introduced.

Next, the operation check method in this embodiment will be explained based on the above configuration. First, a check program is written into the RQM 52 of the control circuit. This program consists of an abnormality inspection program and a load drive control program. The abnormality inspection program determines the condition of each part of the vending machine based on detection signals such as an abnormality detection signal group, and reports the results for each item: 1 section switch 2, 2 . . . . It is displayed in association with a display lamp that is provided every t times, and the relationship between the display lamp and the judgment result is very close, for example, as shown in Table 1. Note that the indicator lamp 6'f in the same table corresponds to each selection switch 2, 2, . It corresponds to the number attached to...

Table 1 On the other hand, the load %J3 RQ17 control program is one in which the drive control procedures for each load that operate in the normal sales mode are associated with selection switch numbers (shown in Figure 5). switch 2,
2. The corresponding load is driven and controlled by the selection operation. Table 2 shows the correspondence between selection switch numbers and operating loads.

Now, when the power is turned on, the CPU Usx of the control circuit first inputs the designated output of the mode designation switch to determine whether or not it is in the hard check mode. If so, first determine whether the hot water temperature in hot water tank 2I is suitable for sale from the hot water temperature and start signal in Table 2, and if it is not suitable, turn on the indicator lamp corresponding to selection switch number 1* (SWt). After completing this determination, the CPU 5z then determines from the output of the detection switch whether or not the puller unit 18 is installed in a predetermined state, and if the installation is uncertain, selects selection switch number 12 @ (s
Turn on the indicator lamp of W2). Similarly, CPU
51 indicates whether (lit') the winding detection cam of the paper filter is being pressed or not (IV) the cup changeover switch signal of the cup holder 34 according to the control procedure in FIG.
Is "Left" output?

(V) Is the cup changeover switch signal "right" of the cup holder 34 being output?

(■1) Has water supply been completed to Jistan? In other words, is there enough hot water in the hot water tank 21?

(Is there more than the specified amount of wastewater stored in the drainage bucket in V?

are judged respectively, and in each case of YES, the display lamp of the corresponding selection switch is lit. Therefore, the inspector can know the condition of each part of the sales shore simply by visually checking whether these indicator lamps are lit or not. In addition, since the display lamp that is already installed for regular sales is also used, there is no need to install a new display, and the configuration can be easily realized. Since the information is displayed on the display lamp, there is an advantage that it is easy to recognize the location where the problem occurs.

Then, when the execution of the abnormality inspection program is completed, the CP
The CJ5Z then checks the operation of the load according to the controller 1M, not shown in Figure 6 (bl and (C)).In other words, it monitors the operation of each selection switch 2, 2... Corresponding load 1-41.me/degrades.For example, if the inspector operates the selection switch SWI to check whether the puller motor is operating properly, the CPU 51 will cause the puller motor drive circuit to A drive signal is generated, which operates the brewer motor.Also, when checking the operation of the sugar discharge motor, operate the selection switch 5WIO.Then, the CPU 5I sends a one-speed signal to the drive circuit of the sand discharge motor. is output, and as a result, the sugar extraction motor operates.Similarly, by operating the selection switch corresponding to the load you want to check, the desired load can be operated independently, and its operating status can be monitored. By doing so, the operation of each load can be checked.

In this way, with the operation check method of this embodiment, there is no need to provide a separate inspection switch etc. for load checking.
By operating the existing switches 1 and 2, 2, . . . , it is possible to check the operation of many loads individually, and the simplified configuration allows efficient checking.

Note that the present invention is not limited to the above embodiments.

For example, select each load with selection switches 2, 2 . ．．・Not only funkunyong switch 3, 39.・It may also be associated with selection switch 2, 2...
and function switches 3.3, . . . In addition, the configuration of the program, the type of load, etc. can be modified in various ways without departing from the gist of the present invention.

[Effects of ν1′] As detailed in 1υ, the present invention includes a mode designation switch that selectively specifies the normal vending mode and the operation check mode as the operating modes of the vending machine, and 1lIU↑1111.
1) Record drive control procedures for multiple loads that operate in regular sales mode in memory in association with existing sales switches When the operation check mode is specified, in response to the selection operation of each sales switch, the load control procedure corresponding to that switch is read from the memory, and the load is operated according to the operation control procedure. .

Therefore, according to the present invention, it is possible to provide a system for checking the operation of a vending machine, which eliminates the need for a switch for inspection, thereby making the device more compact and inexpensive.

[Brief explanation of the drawing]

Figures 1 to 4 show the configuration of a vending machine to which the operation check method according to an embodiment of the present invention is applied.
The figure is a front view showing the external appearance, FIG.
The figure is a block diagram showing the configuration of the circuit part. Schematic +71, Fig. 6 (al to cal are flow charts showing control procedures. 2.2...-!!Rekunyon switch, 3.3...Funkyong switch, r2.i3.r4゜15 .16
...Raw material canister, 18...Bruf, 2I.
...Leakage tank, 22...Pump, 26...Drainage bucket, 27...Flow 1-1. ? 8... Drain switch, 295.・Paper filter winding roller, 32...
・Cistern, 33...Heater, 34...Cup holder, 36...Coupling solenoid, 37...Coffee 1% valve, 3s...Pinch valve, 41...Temperature sensor -→No, 42 ．． ,, water level switch, 44.4
5...Cup cutter 1 moxibustion switch, 46...Float, 5
I...CPU. s2. ,,ROM,s:t-R,hM,s 4-I
10 ports. Applicant's representative Patent attorney Takeshi Suzue Intentional force (
Figure 1 Figure 4 U4 Figure 5 2 Figure 6 (b) Figure 6
1f'l's life 4.1")+:1 1982 1828A6 No.
7.111; 慴ii). Operation check method of vending machine 4 generations
It's Jinto 1: ＼Equipment stock 1 1-41 generation hit 0, spontaneous correction No 1-

Claims (1)

[Claims] A vending machine that has a plurality of vending switches for selecting the type of beverage liquid, and when these switches are operated, selects the corresponding raw material to create the beverage liquid and sells the beverage liquid in cups, A mode designation switch for specifying at least a normal vending mode and an operation check mode as operating modes of the vending machine, and drive control procedures for a plurality of loads operating in the normal vending mode are stored in a memory in association with each of the vending switches. When the operation check mode is designated by the mode designation switch, the drive control procedure for the load corresponding to that switch is read out from the memory in response to the selection operation of the sales switch, and the load is controlled according to this drive control procedure. A control circuit for selectively operating a vending machine.