JP3102254B2 - Vending machine control device - Google Patents

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 which discharges ice and various drinks into containers (cups) for sale, and more particularly to abnormality detection at the time of discharging ice.

[0002]

2. Description of the Prior Art Containers (cups) for conventional ice and various beverages
In the control device of a vending machine that discharges and sells
In order to discharge the ice discharged to the cup from the ice making chamber, the ice discharge port of the ice making chamber is opened by exciting the solenoid, and the discharged ice is in the path of being discharged to the cup and hits the ice. The ice discharge port is closed by deenergizing the solenoid when the voltage value obtained by integrating the output of the impact sensor installed at the position becomes equal to or higher than a target value corresponding to a predetermined desired discharge amount of ice. Thus, the discharge amount of ice was controlled.

[0003]

According to the above-described conventional vending machine control device, the ice discharge port of the ice making room is opened by exciting the solenoid, and the discharged ice is discharged in the path through which the ice is discharged to the cup. Therefore, the shock sensor installed at the position where the ice hits, if the output voltage of the shock sensor is abnormally high or low due to some kind of trouble, the voltage value obtained by integrating the output of the shock sensor is predetermined even if it is low. If the target value is exceeded, the ice discharge port may be closed by deenergizing the solenoid, and the amount of ice discharged may vary abnormally. We needed to stop selling.

[0004] It is an object of the present invention to provide a vending machine control device capable of continuing to sell even when the shock sensor is abnormal as described above and not giving the customer any discomfort.

[0005]

A vending machine for dispensing ice and various drinks into a container (cup) for sale, wherein the ice discharged into the cup is discharged from the ice making chamber. In the vending machine control device, the ice discharge port is opened by exciting the solenoid, and the ice discharge port is closed by deenergizing the solenoid when the discharge amount of ice reaches a desired amount. According to the first aspect of the invention, the ice discharged by the opening of the ice discharge port of the ice making chamber is located in a position where the ice hits in the path where the ice hits the cup. An impact sensor that converts the voltage into each voltage level, a voltage integration circuit that integrates the voltage level of the output of the impact sensor, and an output of the voltage integration circuit that exceeds a predetermined target value after exciting the solenoid. Sometimes before A solenoid control circuit for de-energizing the solenoid; a timer for measuring a time from the time when the solenoid is excited by the solenoid control circuit; and a voltage integration circuit at the time of a first time value measured by the timer. A first determination circuit that determines whether the output of the voltage integration circuit is equal to or greater than the predetermined target value, and an output of the voltage integration circuit at a second time value measured by the timer. A second determination circuit that determines whether the value is less than a value, an abnormality detection circuit that detects an abnormality of the impact sensor based on an output of the first or second determination circuit, and that the abnormality detection circuit outputs an abnormality. And an alarm circuit for notifying the user.

According to the second aspect of the present invention, the ice discharged through the opening of the ice discharge port of the ice making chamber is located at a position where the ice hits in a path where the ice hits the cup. An impact sensor that converts the magnitude of the impact into respective voltage levels; a voltage integration circuit that integrates the voltage level of the output of the impact sensor; and an output of the voltage integration circuit after exciting the solenoid. A first solenoid control circuit that de-energizes the solenoid when the value exceeds a value, and a second solenoid control that excites the solenoid and de-energizes the solenoid when the time of excitation reaches a predetermined time value. A timer for measuring a time from the time when the solenoid is excited by the first or second solenoid control circuit; and a timer for measuring a first time value measured by the timer. A first determination circuit that determines whether an output of the voltage integration circuit is equal to or greater than the predetermined target value; and an output of the voltage integration circuit at a second time value measured by the timer. A second determination circuit that determines whether or not is less than the predetermined target value; an abnormality detection circuit that detects an abnormality of the shock sensor based on an output of the first or second determination circuit; And a control operation changing circuit for changing a control operation from the first solenoid control circuit to the second solenoid control circuit when the controller outputs an abnormality.

Further, in the third invention, the ice discharged through the opening of the ice discharge port of the ice making chamber is located at a position where the ice hits in the path where the ice hits the cup. An impact sensor that converts the magnitude of the impact into respective voltage levels; a voltage integration circuit that integrates the voltage level of the output of the impact sensor; and an output of the voltage integration circuit after exciting the solenoid. A first solenoid control circuit that de-energizes the solenoid when the value exceeds a value, and a second solenoid control that excites the solenoid and de-energizes the solenoid when the time of excitation reaches a predetermined time value. A timer for measuring a time from the time when the solenoid is excited by the first or second solenoid control circuit; and a timer for measuring a first time value measured by the timer. At a point, a first determination circuit that determines whether or not the output of the voltage integration circuit is equal to or greater than the predetermined target value; and a second determination unit that determines whether the output of the voltage integration circuit is at a second time value measured by the timer. A second determination circuit that determines whether the output is less than the predetermined target value,
An abnormality detection circuit for detecting an abnormality of the shock sensor based on an output of the first or second determination circuit; and controlling the first solenoid control circuit to control the second solenoid control circuit when the abnormality detection circuit outputs an abnormality. A control operation switching circuit for switching an operation and for switching a control operation from the second solenoid control circuit to the first solenoid control circuit when the output of the abnormality detection circuit becomes normal during the control operation by the second solenoid control circuit; And

[0008]

According to the first aspect of the invention, when the shock sensor has some problem and the output voltage of the shock sensor is abnormally high, the voltage integration is performed at a predetermined time after the excitation is started by the solenoid control circuit. By determining whether or not the output of the circuit is equal to or greater than a predetermined target value, or if the shock sensor has some problem and the output voltage of the shock sensor is abnormally low, the solenoid is controlled by the solenoid control circuit. By determining whether or not the output of the voltage integration circuit is less than the predetermined target value at a predetermined time after the start of the excitation, the abnormality of the impact sensor can be detected. Raise an alarm.

According to the second aspect of the present invention, when the abnormality of the impact sensor is detected, the solenoid is de-energized when the time excited by the second solenoid control circuit reaches a predetermined time value. Even when the impact sensor is abnormal, the discharge amount of ice can be made substantially constant. Third
According to the invention, when the abnormality of the shock sensor is detected, the solenoid is de-energized when the time excited by the second solenoid control circuit reaches a predetermined time value. The discharge amount of ice can be made substantially constant, and when the output of the abnormality detection circuit becomes normal during the control operation based on this time, the first solenoid control using the shock sensor, which is the original control operation, is performed. By switching to the control by the circuit, it is possible to appropriately control the discharge amount of ice in response to the temporary failure of the impact sensor.

[0010]

FIG. 1 is a schematic structural view of a vending machine showing an embodiment of the present invention. In FIG. 1, a beverage 1 selected by a customer is discharged to a cup 2 by operating a valve 1a, and at the same time, a solenoid 4 installed in an ice discharge port 3a of an ice making chamber 3 is excited by control devices 5, 30, and 40. Thus, the ice 7 discharged from the ice discharge port 3a via the ice shooter 6 is discharged to the cup 2 while hitting the impact sensor 8. The discharge amount of the ice 7 at this time is obtained by integrating the output of the impact sensor 8 by the voltage integration circuit 11 and by the CPU 12 by the CPU 12.
The control operation for closing the ice discharge port 3 is performed by de-energizing the solenoid 4 when it is determined that the predetermined amount has been reached by comparing with the target value corresponding to the desired discharge amount. The control device 5 includes timers 13 and 18 for detecting abnormality of the shock sensor 8, a RAM 14 for storing data,
It comprises a ROM 15 for storing programs, an input / output circuit 16 and the like, and controls the entire vending machine including the control of the discharge amount of the ice 7 of the present invention.

FIG. 2 is a control block diagram of a vending machine showing a first embodiment of the present invention. In FIG. 2, the control device 5 is installed at a position where the ice 7 discharged from the opening of the ice discharge port 3 a of the ice making chamber 3 is discharged to the cup 2 and hits the ice 7, and the ice 7 hits. The shock sensor 8 converts the magnitude of the shock when the shock occurs to each voltage level, the voltage integration circuit 11 for integrating the voltage level of the output of the shock sensor 8, and the voltage integration circuit 11 after exciting the solenoid 4.
A solenoid control circuit 21 for de-energizing the solenoid 4 when the output of the motor reaches a target value corresponding to a predetermined desired amount of ice 7 discharged, and a solenoid control circuit 2 for the solenoid 4
A timer 13 for measuring the time from the time when the excitation is started according to 1; and whether or not the integrated value which is the output of the voltage integration circuit 11 is equal to or more than the target value at the time of the first time value measured by the timer 13. A first determination circuit 22 for determining whether
At the time of the second time value measured by the timer 13, the second determination circuit 23 that determines whether the integrated value output from the voltage integration circuit 11 is less than the target value, and the first determination circuit 22 or An abnormality detection circuit 24 that detects an abnormality of the shock sensor 8 based on an output of the second determination circuit 23, and an alarm circuit 25 that notifies that the abnormality detection circuit 24 has output an abnormality.

FIG. 3 is a flowchart illustrating the control operation of FIG. In FIG. 3, a first time value (minimum time) which is a timer value of the first determination circuit 22 of the timer 13 based on the beverage selected by the customer, and a second time value which is a timer value of the second determination circuit 23 ( (The maximum time) is set (step S101), the solenoid 4 is excited by the solenoid control circuit 21 (step S102), and the timer 13 is turned on (step S103), and it is determined that the value of the timer 13 reaches the minimum time. Waiting (step S104, branch N), when reaching (step S104, branch Y), the first judgment circuit 22 compares the integral value with the target value (step S105). (Step S105, branch Y), the abnormality detection circuit 24 determines that the impact sensor 8 is abnormal (Step S106), and activates the alarm circuit 25 (Step S107). To unexcited solenoid 4 by the solenoid control circuit 21 (step S108).

If the integral value is less than the target value in step S105 (step S105, branch N), the solenoid control circuit 21 compares the integral value with the target value (step S109), and makes a comparison with the target value. If so (step S109, branch Y), since the discharge amount of the ice 7 has reached a desired value, the solenoid 4 is de-energized by the solenoid control circuit 21 to close the ice discharge port 3a of the ice making chamber 3. (Step S108). If the integral value is less than the target value in step S109 (step S109, branch N), it is determined whether or not the value of the timer 13 exceeds the maximum time (step S110). If there is (step S110, branch Y), the abnormality detection circuit 24 determines that the shock sensor 8 is abnormal (step S11).
1) Activate the alarm circuit 25 (step S11)
2) The solenoid 4 is de-energized by the solenoid control circuit 21 (step S108).

If the value of the timer 13 is less than the maximum time in step S110 (step S110, branch N),
It returns to step S109. As described above, in the first embodiment, when the abnormality of the impact sensor 8 is detected, the alarm circuit 25 is activated.
Notify by FIG. 4 is a control block diagram of a vending machine showing a second embodiment of the present invention.

In FIG. 4, the control device 30 is located at a position where the ice 7 discharged through the opening of the ice discharge port 3a of the ice making chamber 3 is discharged to the cup 2 and hits the ice 7, 7, an impact sensor 8 for converting the magnitude of the impact upon impact into respective voltage levels, a voltage integration circuit 11 for integrating the voltage level of the output of the impact sensor 8, and a voltage integration circuit after exciting the solenoid 4. A first solenoid control circuit 26 for de-energizing the solenoid 4 when the integrated value, which is the output of 11, becomes equal to or more than a target value corresponding to a predetermined desired amount of ice 7 discharged, and the solenoid 4 is energized and excited. A second solenoid control circuit 27 that de-energizes the solenoid 4 when the elapsed time reaches a predetermined time value, a first solenoid control circuit 26, or a second solenoid control circuit 27
And a timer 18 for measuring the time from when the excitation of the solenoid 4 is started, and at the time of the first time value measured by the timer 18, the integrated value which is the output of the voltage integration circuit 11 is equal to or more than the target value. A first determination circuit 22 that determines whether or not the integrated value that is the output of the voltage integration circuit 11 at the time of the second time value measured by the timer 18 is less than the target value. Second determination circuit 23
And an abnormality detection circuit 24 for detecting an abnormality of the shock sensor 8 based on an output of the first determination circuit 22 or the second determination circuit 23.
And a control operation changing circuit 28 for changing the control operation from the first solenoid control circuit 26 to the second solenoid control circuit 27 when the abnormality detection circuit 24 outputs an abnormality.

FIG. 5 is a flowchart illustrating the control operation of FIG. In FIG. 5, a first time value (minimum time) which is a timer value of the first determination circuit 22 of the timer 18 based on a beverage selected by the customer, and a second time value (a minimum time) which is a timer value of the second determination circuit 23 ( A maximum time) and a timer value (average time) of the second solenoid control circuit 27 are set (step S201), and the solenoid 4 is excited by the first solenoid control circuit 26 (step S202).
Is turned on (step S203).

Next, the abnormality detection circuit 24 checks whether or not the shock sensor 8 was abnormal during the previous control operation (step S204).
4, branch Y), the process proceeds to step S207, and if it is normal (step S204, branch N), it waits until the value of the timer 18 reaches the minimum time (step S205, branch N), and when it reaches (step S205, branch N). (Branch Y), the first determination circuit 22 compares the integral value with the target value (step S206). If the integral value is equal to or larger than the target value (step S206, branch Y), the abnormality detection circuit 24 detects the impact sensor. 8 is determined to be abnormal, the control operation is changed from the first solenoid control circuit 26 to the second solenoid control circuit by the control operation change circuit 28 (step S207), and the timer 1
8 until it reaches the average time (step S2).
08, branch N), when it is reached (step S208, branch Y), the solenoid 4 is controlled by the second solenoid control circuit 27.
Is de-excited (step S209).

Next, if the integral value is less than the target value in step S206 (step S206, branch N),
The first solenoid control circuit 26 compares the integral value with the target value (step S210). If the integral value is greater than the target value (step S210, branch Y), the discharge amount of the ice 7 reaches a desired value. Therefore, the solenoid 4 is de-energized by the solenoid control circuit 26 so that the ice outlet 3
a is closed (step S209).

Next, if the integral value is less than the target value in step S210 (step S210, branch N),
It is determined whether or not the value of the timer 18 exceeds the maximum time (step S211). If the value exceeds the maximum time (step S211, branch Y), the abnormality detection circuit 24 determines that the shock sensor 8 is abnormal. Then, the control operation is changed by the control operation changing circuit 28 from the first solenoid control circuit 26 to the second solenoid control circuit 27 (step S21).
2), de-energize the solenoid 4 (step S20)
9). If the value of the timer 18 is less than the maximum time in step S211 (step S211, branch N), the process returns to step S210.

As described above, in the second embodiment, when the impact sensor 8 is abnormal, the discharge amount of the ice 7 is controlled by a preset time. FIG. 6 is a control block diagram of a vending machine showing a third embodiment of the present invention. In FIG.
The control device 40 is in the path where the ice 7 discharged through the opening of the ice discharge port 3a of the ice making chamber 3 is discharged to the cup 2,
An impact sensor 8 installed at a position where the ice 7 hits and converting the magnitude of the impact when the ice 7 hits into respective voltage levels; a voltage integration circuit 11 for integrating the voltage level of the output of the impact sensor 8; A first solenoid control circuit 26 for de-energizing the solenoid 4 when the output of the voltage integration circuit 11 becomes equal to or more than a target value corresponding to a predetermined discharge amount of ice 7 after energizing the solenoid 4; A second solenoid control circuit 27 that excites the solenoid 4 and deactivates the solenoid 4 when the excited time reaches a predetermined time value.
A timer 18 for measuring the time from the start of energization of the solenoid 4 by the first solenoid control circuit 26 or the second solenoid control circuit 27; and a voltage integration at the time of the first time value measured by the timer 18. The first determination circuit 22 determines whether or not the integrated value output from the circuit 11 is equal to or greater than the predetermined target value. The voltage of the voltage integration circuit 11 at the time of the second time value measured by the timer 18 is determined. A second judgment circuit 23 for judging whether or not an integrated value as an output is smaller than the predetermined target value; and a first judgment circuit 22
Alternatively, an abnormality detection circuit 24 for detecting an abnormality of the shock sensor 8 based on an output of the second determination circuit 23, and a control operation from the first solenoid control circuit 26 to the second solenoid control circuit 27 when the abnormality detection circuit 24 outputs an abnormality. And a control operation switching circuit 29 for switching the control operation from the second solenoid control circuit 27 to the first solenoid control circuit 26 when the output of the abnormality detection circuit 24 becomes normal during the control operation by the second solenoid control circuit 27. And

FIG. 7 is a flowchart illustrating the control operation of FIG. In FIG. 7, a first time value (minimum time) which is a timer value of the first determination circuit 22 of the timer 18 based on the beverage selected by the customer, and a second time value (the minimum time value) which is a timer value of the second determination circuit 23 ( A maximum time) and a timer value (average time) of the second solenoid control circuit 27 are set (step S301), the solenoid 4 is excited by the first solenoid control circuit 26 (step S302), and the timer 18
Is turned on (step S303).

Next, it waits for the value of the timer 18 to reach the minimum time (step S304, branch N), and when it reaches (step S304, branch Y), the first determination circuit 22 causes the integrated value and the target value to be determined. (Step S30)
5) If it is not less than the target value (step S30)
5, branch Y), the abnormality detection circuit 24 determines that the impact sensor 8 is abnormal, and switches the control operation from the first solenoid control circuit 26 to the second solenoid control circuit by the control operation switching circuit 29 (step S306). Waiting for the value of the timer 18 to reach the average time (step S307, branch N), and when it reaches (step S307, branch Y), the second
The solenoid 4 is de-energized by the solenoid control circuit 27 (step S308).

Next, if the integral value is less than the target value in step S305 (step S305, branch N),
The first solenoid control circuit 26 compares the integral value with the target value (step S309). If the integral value is greater than the target value (step S309, branch Y), the discharge amount of the ice 7 reaches a desired value. Therefore, the abnormality detection circuit 24 is reset, the control operation switching circuit controls the operation of the first solenoid control circuit 26 (step S310), and the solenoid 4 is de-energized by the solenoid control circuit 26 to control the ice in the ice making chamber 3. The outlet 3a is closed (step S308).

Next, if the integral value is smaller than the target value in step S309 (step S309, branch N),
Next, the abnormality detection circuit 24 checks whether or not the shock sensor 8 was abnormal during the previous control operation (step S31).
1) If abnormal (step S311, branch Y), the process proceeds to step S314, and if normal (step S31)
(1, branch N), it is determined whether or not the value of the timer 18 exceeds the maximum time (step S312). If the value exceeds the maximum time (step S312, branch Y), the abnormality detection circuit 24 detects an impact. When the sensor 8 is determined to be abnormal, the first solenoid control circuit 26
Next, the control operation is switched by the control operation switching circuit 29 (step S313), and the solenoid 4 is de-energized (step S308).

If the value of the timer 18 is less than the maximum time in step S312 (step S312, branch N),
It returns to step S309. If the shock sensor 8 is abnormal in step S311, (step S311, branch Y), the process proceeds to step S314, and the second solenoid control circuit checks whether or not the time value of the timer 18 is equal to or longer than the average time. If (step S314, branch Y), the process proceeds to step S308, and if it is less than (step S31).
4, branch N), and proceeds to step S309.

As described above, in the third embodiment, when the shock sensor 8 becomes abnormal and the operation of the shock sensor 8 is confirmed to be normal while controlling the discharge amount of the ice 7 with time, the shock sensor 8 8 is returned to the control. In the first, second, and third embodiments, the maximum time, the minimum time, and the average time are set according to the type of beverage selected by the customer and the size of the cup. It is set and stored in the control device.

[0027]

According to the present invention, when an impact sensor is abnormal, an alarm is issued so that an external abnormality can be notified. When the shock sensor is abnormal,
By discharging ice based on a predetermined time, it is possible to reliably provide ice without stopping sales.

Further, when the shock sensor is abnormal, even if the control is switched to the control based on time, when the operation of the shock sensor is thereafter confirmed to be normal, the control is returned to the control by the shock sensor, whereby more reliable control can be performed. As described above, by detecting the abnormality of the impact sensor, it is possible to prevent the customer from feeling uncomfortable due to the variation in the amount of discharged ice, so that it is possible to increase sales opportunities for products of the vending machine and expect to increase sales. .

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a vending machine showing an embodiment of the present invention.

FIG. 2 is a control block diagram of a vending machine showing a first embodiment of the present invention.

FIG. 3 is a flowchart showing a control operation of FIG. 2;

FIG. 4 is a control block diagram of a vending machine showing a second embodiment of the present invention.

FIG. 5 is a flowchart showing the control operation of FIG. 4;

FIG. 6 is a control block diagram of a vending machine showing a third embodiment of the present invention.

FIG. 7 is a flowchart showing the control operation of FIG. 6;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Beverage, 1a ... Valve, 2 ... Cup, 3 ... Ice-making room, 3
a ... opening, 4 ... solenoid, 5, 30, 40 ... control device, 6 ... ice shooter, 7 ... ice, 8 ... impact sensor, 11 ...
Voltage integration circuit, 12 CPU, 13, 18 timer, 1
4 RAM, 15 ROM, 16 input / output circuit, 21
Solenoid control circuit, 22: first judgment circuit, 23: second
Judgment circuit, 24: abnormality detection circuit, 25: alarm circuit, 26
.. A first solenoid control circuit, 27 a second solenoid control circuit, 28 a control operation change circuit, 29 a control operation switching circuit.

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-3-250393 (JP, A) JP-A-2-148395 (JP, A) JP-A-3-223626 (JP, A) JP-A-7- 57148 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) G07F 13/00-15/12

Claims (3)

(57) [Claims] 1. A vending machine for discharging ice and various beverages into a container (cup) for sale, wherein an ice discharge port of the ice making chamber is provided for discharging ice discharged to the cup from the ice making chamber. A control device for a vending machine, wherein the solenoid is opened by exciting it, and when the charging and discharging of ice reaches a desired amount, the solenoid is de-energized to close the ice discharge port. An impact sensor that is located at a position where the ice hits in the path where the ice discharged by the opening of the outlet is discharged to the cup and that converts the strength of the impact when the ice hits to each voltage level, A voltage integration circuit that integrates a voltage level of an output of the shock sensor; and a solenoid that excites the solenoid when the output of the voltage integration circuit becomes equal to or greater than a predetermined target value after exciting the solenoid. A control circuit, a timer for measuring a time from the time when the solenoid is started to be excited by the solenoid control circuit, and at the time of a first time value measured by the timer, the output of the voltage integration circuit is a predetermined value. A first determination circuit that determines whether or not the voltage is equal to or greater than a target value; and, at a time point of a second time value measured by the timer, whether an output of the voltage integration circuit is less than the predetermined target value. A second determination circuit for determining whether the shock sensor has an abnormality based on an output of the first or second determination circuit; and an alarm circuit for notifying that the abnormality detection circuit has output an abnormality. A vending machine control device. 2. A vending machine for discharging ice and various beverages into a container (cup) for sale, wherein an ice discharge port of the ice making chamber is provided for discharging ice discharged to the cup from the ice making chamber. A control device of a vending machine for closing the ice discharge port by exciting the solenoid and closing the ice discharge port by deenergizing the solenoid when the discharge amount of ice reaches a desired amount. An impact sensor that is located at a position where the ice hits in the path where the ice discharged by the opening of the outlet is discharged to the cup and that converts the strength of the impact when the ice hits to each voltage level, A voltage integration circuit that integrates a voltage level of an output of the shock sensor; and a first solenoid that deenergizes the solenoid when the output of the voltage integration circuit becomes equal to or greater than a predetermined target value after exciting the solenoid. A solenoid control circuit; a second solenoid control circuit that excites the solenoid and de-energizes the solenoid when the time of excitation reaches a predetermined time value; and the solenoid by the first or second solenoid control circuit. A timer for measuring the time from the start of the excitation of the voltage generator, and determining, at the time of the first time value measured by the timer, whether or not the output of the voltage integration circuit is equal to or greater than the predetermined target value. A first determination circuit that determines whether an output of the voltage integration circuit is less than the predetermined target value at a second time value measured by the timer; An abnormality detection circuit for detecting an abnormality of the impact sensor based on an output of the first or second determination circuit; and when the abnormality detection circuit outputs an abnormality, the first solenoid control circuit A control device for a vending machine, comprising a second solenoid control circuit and a control operation changing circuit for changing a control operation. 3. A vending machine for discharging ice and various drinks into a container (cup) for sale, wherein an ice discharge port of the ice making chamber is provided to discharge ice discharged into the cup from the ice making chamber. A control device for a vending machine, which opens the solenoid by exciting the solenoid, and deactivates the solenoid when the discharge amount of ice reaches a desired amount to close the ice discharge port. An impact sensor that is located at a position where the ice hits in the path where the ice discharged by the opening of the outlet is discharged to the cup and that converts the strength of the impact when the ice hits to each voltage level, A voltage integration circuit that integrates a voltage level of an output of the shock sensor; and a first solenoid that deenergizes the solenoid when the output of the voltage integration circuit becomes equal to or greater than a predetermined target value after exciting the solenoid. A solenoid control circuit; a second solenoid control circuit that excites the solenoid and de-energizes the solenoid when the time of excitation reaches a predetermined time value; and the solenoid by the first or second solenoid control circuit. A timer for measuring the time from the start of the excitation of the voltage integration circuit; and determining whether or not the output of the voltage integration circuit is equal to or greater than the predetermined target value at the time of the first time value measured by the timer. A first determination circuit that determines whether an output of the voltage integration circuit is less than a predetermined target value at a time point of a second time value measured by the timer; An abnormality detection circuit for detecting an abnormality of the impact sensor based on an output of the first or second determination circuit; and when the abnormality detection circuit outputs an abnormality, the first solenoid control circuit outputs The control operation is switched to the second solenoid control circuit, and when the output of the abnormality detection circuit becomes normal during the control operation by the second solenoid control circuit, the control is performed from the second solenoid control circuit to the first solenoid control circuit. A control device for a vending machine, comprising: a control operation switching circuit for switching an operation.