JPH117576A - In-compartment temperature controller in vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten a time till in-compartment temp. becomes the prescribed one by reducing the setting temp. of thermister which controls in compartment temp. before in-comportment temp. reaches the prescribed one concerning the lowering speed of in-comportment temp. SOLUTION: A means is made to be a subcooling in-compartment temp. detecting means 16 by which containing chamber temp. being lower than the normal one for the portion of prescribed temp. width only in a time band before the forced stop of a cooling device 14 is detected and containing chamber temp. being even lower than the prescribed temp. width for a prescribed time from the start of the time band before the forced stop of the cooling device 14 is detected. Then, the lowering and reaching temp. of the in-compartment one is made to be stable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vending machine temperature control device for a vending machine, which cools a product storage and sells the product.

[0002]

2. Description of the Related Art In recent years, as shown in Japanese Utility Model Laid-Open Publication No. Sho 62-4865, a temperature control device for a vending machine has a heater and a refrigerator which are operated by a thermostat so as to save power in order to save energy. For the stoppage, a power saving method was adopted in which the internal fan motor could be stopped in synchronization with the stoppage.

Hereinafter, an example of a refrigerator internal temperature control device of a vending machine will be described with reference to the drawings. 16 and 17, reference numerals 1 and 2 denote power lines, 3 denotes a refrigerator,
4 is a heater, 5 is a fan motor in a warehouse, and 6 is a cooler. Reference numeral 7 denotes a first thermostat for adjusting the temperature inside the refrigerator 3, 8 denotes a second thermostat for adjusting the temperature inside the refrigerator 4, and 9 denotes a thermosynchronous switch.
The synchronous switch 9 is a multi-contact type manually operated switch, and a first contact 10 is connected to one of the power supply lines 1 via the first thermostat 7 or the second thermostat 8 and to the synchronous switch. The second contact 11 of 9 is directly connected to the power supply line.

The operation of the above-structured vending machine interior temperature control device will be described below with reference to FIGS.

First, if the operation mode is selected and the second contact 11 is closed, the internal fan motor 5 continues to operate regardless of the operation of the first thermostat 7 or the second thermostat 8. Further, the refrigerator 3 is turned on and off by opening and closing the contact of the first thermostat 7.
Then, the heater 4 is turned on and off by opening and closing the contact of the second thermostat 8. On the other hand, the thermo-synchronous operation mode is selected, and the operation of the first thermostat 7 or the second thermostat 8 causes the same de-energization as in the refrigerator 3 or the heater 4 to be stopped.

[0006]

However, in the above-described conventional configuration, the refrigerator is turned on-off by the thermostat 7.
Therefore, when the internal temperature is lowered, the thermostat 7 works quickly before the internal temperature reaches the predetermined temperature, and there is a problem that the time for the internal temperature to reach the predetermined temperature is long. Was.

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention reduces the set temperature of the thermistor for controlling the internal temperature before the internal temperature reaches a predetermined temperature when the internal temperature is lowered, and the internal temperature is reduced to a predetermined value. The present invention provides a vending machine internal temperature control device for a vending machine having a stable internal temperature after a predetermined time while shortening the time required to reach the temperature.

[0008]

In order to achieve this object, the present invention provides a storage room, a cooling device for cooling the storage room, and a power supply circuit connected to the cooling device. An open / close contact for opening / closing power supply, an internal temperature detecting means for detecting the temperature of the storage room, and a storage room temperature lower than normal by a predetermined temperature width only in a time period before the forced stop of the cooling device in the storage room. And a supercooling chamber temperature detecting means for detecting a storage room temperature which is lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device,
A timer for checking the current time and the stop time, an arithmetic processing unit for storing the temperature in the subcooling chamber of the storage chamber detected by the subcooling chamber temperature detecting means, and a storage chamber based on a signal from the arithmetic processing unit. Control for controlling the temperature of the storage room at a temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device, together with the storage room temperature lower than normal by a predetermined temperature width only in the time period before the forced stop of the cooling device. Means.

Thus, according to the signal from the arithmetic processing unit, the temperature of the storage room is set to the temperature of the storage room lower by a predetermined temperature width than usual only in the time period before the forced stop of the cooling device and the start of the time period before the forced stop of the cooling device. By controlling the storage room temperature which is lower than the predetermined temperature width for a predetermined time, the time required for the storage room products to reach the predetermined temperature is shortened, and the storage room temperature is stabilized during the period before the forced stop of the cooling device. Can be.

In addition, the temperature of the storage chamber during the time period before the forced stop of the cooling device is lowered by a predetermined temperature range from the normal temperature, and the temperature of the storage room is switched to a temperature lower than the predetermined temperature range for the predetermined time from the start of the time period before the forced stop of the cooling device. As means, sales amount detecting means for detecting the sales amount of the product at a predetermined time before the time period before the forcible shutdown of the cooling device, a storage unit for storing sales amount data, a predetermined sales amount and the sales amount An arithmetic processing unit for comparing data is provided, and when the sales volume is large, the setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is set low, and when the sales volume is small, the cooling is performed. It is characterized in that the setting of the storage room temperature which is lower than the predetermined temperature width for a predetermined time from the start of the time period before the forcible stop of the apparatus is set higher.

[0011] Thus, the temperature of the storage room corresponding to the sales amount of the storage room is set to be lower than the normal temperature only in the time period before the forced stop of the cooling device in order to compare and store the temperature in the supercooled storage room of the storage room and the preset sales amount. With the storage room temperature lower by a certain temperature range,
By controlling the storage room temperature lower than the fixed temperature width for a certain period of time from the start of the time period before the forcible shutdown of the cooling device, the time required for the storage room product to reach the predetermined temperature is shortened, and before the forcible stop of the cooling device. The time zone storage room temperature can be stabilized.

Further, the temperature of the storage chamber during the time period before the forced stop of the cooling device is lowered by a predetermined temperature range from the normal temperature, and the temperature of the storage room is switched to a temperature lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device. As means, a door opening / closing detecting means for detecting a door opening / closing amount at a predetermined time before a time period before the forced stop of the cooling device, a storage unit for storing door opening / closing amount data, and a preset door opening / closing amount. An arithmetic processing unit for comparing the amount of data with the opening and closing amount data of the door is provided, and when the opening and closing amount of the door is large, the setting of the storage chamber temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is lowered. When the door opening / closing amount is small, the setting of the storage chamber temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is set higher.

[0013] Thus, in order to compare and store the temperature in the subcooled storage of the storage room and the preset opening / closing amount of the door, the temperature of the storage room corresponding to the opening / closing amount of the door is set in the time period before the forced stop of the cooling device. Only by controlling the storage room temperature lower than the normal temperature width by a certain temperature width lower than normal and the storage room temperature lower than the fixed temperature width for a certain time from the start of the time period before the forced stop of the cooling device, the storage room product reaches the predetermined temperature. In addition to shortening the time for performing the cooling operation, it is possible to stabilize the storage chamber temperature in the time period before the forced stop of the cooling device.

Further, the temperature of the storage chamber during the time period before the forced stop of the cooling device is lowered by a predetermined temperature range from a normal temperature, and the temperature of the storage room is switched to a temperature lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device. As means, operating state detection means for detecting the operating state of the cooling device at a predetermined time before the time period before the forced stop of the cooling device is provided, and in the case of the energy saving operation state of the cooling device, the time period before the forced stop of the cooling device is provided. The setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the cooling operation is lowered, and in the case of normal operation, the setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is increased. It is characterized by the following.

Thus, the temperature of the storage chamber corresponding to the operation state of the cooling device is set only in the time period before the forced stop of the cooling device in order to compare and store the temperature in the subcooling chamber of the storage room and the preset operation state. By controlling the storage room temperature which is lower than the predetermined temperature width by a predetermined time from the start of the time period before the forced stop of the cooling device together with the storage room temperature lower than the normal by a predetermined temperature width, the storage room product reaches the predetermined temperature. The time can be shortened, and the storage chamber temperature can be stabilized during the time period before the forced stop of the cooling device.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 of the present invention provides a storage room, a cooling device for cooling the storage room, and a cooling device connected to a power supply circuit for the cooling device. An open / close contact for opening / closing power supply, an internal temperature detecting means for detecting the temperature of the storage room, and a storage room temperature lower than normal by a predetermined temperature width only in a time period before the forced stop of the cooling device in the storage room. And a temperature detecting means in the supercooling chamber for detecting a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device, a timer for checking the current time and the stop time, An arithmetic processing unit that stores the temperature in the subcooling chamber of the storage room detected by the temperature detecting unit in the supercooling chamber, and a signal from the arithmetic processing unit,
The temperature of the storage room is controlled by a predetermined temperature range lower than usual only during the time period before the forced stop of the cooling device, and the storage room temperature that is lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device is controlled. Control means for controlling the storage room temperature which is lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device, and the storage room product is brought to a predetermined temperature. This has the effect of shortening the arrival time and stabilizing the storage chamber temperature in the time period before the forced stop of the cooling device.

According to a second aspect of the present invention, in addition to the first aspect, the temperature of the storage chamber is reduced by a predetermined temperature range from the normal time period before the forced stop of the cooling device, and the forcible stop of the cooling device is performed. As a means for switching to a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time period, a sales amount detecting means for detecting a sales amount of the product at a predetermined time before the time period before forcibly stopping the cooling device; A storage unit for storing the amount data, and an arithmetic processing unit for comparing the sales amount data with the sales amount set in advance, and when the sales amount is large, a predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device. A lower setting of the storage room temperature, and in a case where the sales volume is small, the setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is set higher. In In order to compare and store the temperature in the supercooled storage of the storage room and the preset sales amount, the temperature of the storage room corresponding to the product sales amount is lower by a predetermined temperature width than usual only in the time period before the forced stop of the cooling device. Along with the storage room temperature, by controlling the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device, the time required for the storage room products to reach the predetermined temperature is shortened,
This has the effect of stabilizing the storage chamber temperature in the time period before the forced stop of the cooling device.

According to a third aspect of the present invention, in addition to the first aspect of the present invention, the temperature of the storage chamber is reduced by a predetermined temperature range from a normal time zone before the forced stop of the cooling device, and the forced cooling of the cooling device is stopped. Door opening / closing amount detection means for detecting the opening / closing amount of the door at a predetermined time before the time period before the forced stop of the cooling device, as means for switching the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time zone, A door opening / closing amount detecting means for detecting a door opening / closing amount at a predetermined time before a time period before the forced stop of the cooling device, a storage unit for storing door opening / closing amount data, and a preset door opening / closing amount. An arithmetic processing unit for comparing the door opening / closing amount data is provided, and when the door opening / closing amount is large, the setting of the storage chamber temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is lowered, and the door is closed. Small opening and closing amount In the case, the setting of the storage room temperature which is lower than the predetermined temperature width for a predetermined time from the start of the time period before the control stop of the cooling device is set higher, and the temperature in the subcooling chamber of the storage room is set in advance. In order to compare and store the door opening and closing amount, the temperature of the storage room corresponding to the opening and closing amount of the door is forcibly stopped in the period before the forced stop of the cooling device together with the storage room temperature lower than the normal by a predetermined temperature width. By controlling the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the previous time period, the time required for the storage room products to reach the predetermined temperature is shortened, and the storage room temperature before the forced stop of the cooling device is performed. It has the effect of stabilizing.

According to a fourth aspect of the present invention, in addition to the first aspect of the present invention, the temperature of the storage chamber during the time period before the forced stop of the cooling device is lowered by a predetermined temperature range from the normal time and before the forced stop of the cooling device. As means for switching to a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time zone, operating state detecting means for detecting an operating state of the cooling apparatus at a predetermined time before a time zone before forcibly stopping the cooling apparatus is provided. In the energy-saving operation state of the cooling device, the setting of the storage room temperature which is lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is lowered. The setting of the storage room temperature which is lower than the predetermined temperature width for a predetermined time from the start of the storage room is set higher, and the storage inside the subcooling chamber of the storage room and the preset operation state are compared and stored, door The temperature of the storage room corresponding to the opening / closing amount is lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device, together with the storage room temperature lower than normal by a predetermined temperature width only in the time period before the forced stop of the cooling device. By controlling the storage room temperature, the time required for the storage room product to reach a predetermined temperature is shortened, and the storage room temperature is stabilized during the period before the forced stop of the cooling device.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vending machine internal temperature control device according to the present invention will be described below with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals, and detailed description thereof is omitted.

(Embodiment 1) FIG. 1 is a block diagram of an internal temperature control device of a vending machine according to Embodiment 1 of the present invention.
FIG. 2 is a front view of the internal temperature control device of the vending machine of the embodiment. FIG. 3 is a flowchart of the inside temperature control device of the vending machine of the embodiment. FIG. 4 is a characteristic diagram showing the product temperature of the internal temperature control device of the vending machine of the embodiment.

In FIG. 1, FIG. 2, FIG. 3, and FIG. 4, reference numeral 12 denotes a storage room in which products are stored in a product storage shelf 13 provided therein. Reference numeral 14 denotes a cooling device, which includes a refrigerator 3, a cooler 6, and the like. Reference numeral 15 denotes an internal temperature detecting means for detecting the temperature of the storage room 12, and 16 detects the storage room temperature which is lower than normal by a predetermined temperature width only in the preliminary time period. Is a sub-cooling chamber temperature detecting means for detecting a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the process. Reference numeral 17 denotes a timer for counting the current time. Reference numeral 18 denotes an arithmetic processing unit that stores and calculates the subcooling chamber temperature detecting means 16 and the timer 17. Reference numeral 19 denotes control means for controlling the on / off contact 20 based on a signal from the arithmetic processing unit 18.

The operation of the inside temperature control device for a vending machine configured as described above will be described with reference to FIGS.

The timer 17 checks whether or not the current time is in the control time zone (STEP 1). If the current time is in the control time zone, the signal of the subcooling chamber temperature detecting means 16 is processed by the arithmetic processing section 18 and the control section 19 is controlled. To open and close the relay 20 to set the temperature to be lower by a certain temperature width (STEP 2). Further, it is confirmed by the timer 17 whether the present time is a time zone in which the control is performed at a temperature lower by a certain temperature range (STEP 3), and in that time zone, the operation is performed at a temperature lower by a certain temperature range (STEP 4). Further, when the time period deviates, the signal of the subcooling chamber temperature detecting means 16 is processed by the arithmetic processing unit 18, the relay 20 is opened and closed by the control unit 19, and the supercooling temperature is set (STEP 5). Furthermore,
The timer 17 checks whether it is within the supercooling temperature setting time zone (STEP 6), and if it is within the time zone, performs a supercooling operation (STEP 7). When the time period is out of the range, a signal is sent from the arithmetic processing unit 18 to the control unit 19 to open and close the switching contact 20, and the cooling device 14 is stopped (STEP 8). Further, it is confirmed by the timer 17 whether or not the current time is in the cooling device stop time zone (STEP 9).
4 returns to the normal operation by the internal temperature detecting means 15.

FIG. 4 is a characteristic diagram showing the product temperature of the internal temperature control device of the vending machine according to the present embodiment. The normal cooling control operation is performed up to A, which is the normal product temperature. The control is performed at a temperature lower than the control temperature of the supercooling operation from A to B by a certain temperature range, the supercooling operation is performed from B to C, and C
Then, the cooling device 14 stops at D, and returns to normal operation from D.

As described above, the vending machine internal temperature control device of the present embodiment detects the temperature of the storage room 12 only in the preliminary time period when the temperature of the storage room is lower than the normal temperature by a predetermined temperature range, and detects the temperature in the preliminary time period. Temperature detection means 16 for detecting the temperature of the storage chamber which is lower than the predetermined temperature width for a predetermined time from the start of the operation.
And a timer 17 for counting the current time, an arithmetic processing unit 18 for storing and calculating the temperature in the subcooling chamber 16 and the timer 17, and controlling the open / close contact 20 by a signal from the arithmetic processing unit 18. Therefore, according to the signal from the arithmetic processing unit 18, the temperature of the storage room 12 is reduced by the signal from the arithmetic processing unit 18 together with the storage room temperature lower by a predetermined temperature width than usual in the preliminary time period. By controlling the storage chamber temperature lower than the predetermined temperature width for a predetermined time from the start, the operation rate of the cooling device within the predetermined time increases, shortening the time for the storage room product to reach the predetermined temperature, and setting up a spare time zone. The storage room temperature can be stabilized.

(Embodiment 2) Next, a vending machine internal temperature control device of a vending machine according to Embodiment 2 of the present invention will be described with reference to the drawings.

The same components as those of the conventional example and the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 5 is a block diagram of a vending machine internal temperature control device according to a second embodiment of the present invention. FIG. 6 is a front view of the inside temperature control device of the vending machine of the embodiment. FIG. 7 is a flowchart of the internal temperature control device of the vending machine of the embodiment.

In FIGS. 5, 6, and 7, reference numeral 21 denotes an outside air temperature detecting means for detecting the outside air temperature. Numeral 15 denotes an internal temperature detecting means for detecting the temperature of the storage room 12, and 16 detects a temperature of the storage room 12 which is lower than normal by a predetermined temperature width only in a time period before the forced stop of the cooling device. In addition, it is a temperature detecting means in the subcooling chamber for detecting a storage room temperature which is lower than a predetermined temperature width for a predetermined time from the start of the forced stop period of the cooling device. Reference numeral 17 denotes a timer for counting the current time. 18A is the subcooling chamber temperature detecting means 16
And an arithmetic processing unit for storing and calculating the timer 17 and the outside air temperature detecting means 21. Reference numeral 19 denotes control means for controlling the on / off contact 20 based on a signal from the arithmetic processing unit 18A.

The operation of the inside temperature control device for a vending machine configured as described above will be described with reference to FIGS.

It is confirmed by the timer 17 whether or not the current time is in the control time zone (STEP 1). If the current time is in the control time zone, the outside air temperature data is added to the outside air temperature detecting means 21 (ST1).
EP2) The signal of the subcooling chamber temperature detecting means 16 is processed by the arithmetic processing section 18A, and the control section 19 opens and closes the relay 20 to set the temperature to a temperature lower by a certain temperature width (STEP3). Further, it is confirmed by the timer 17 whether or not the present time is a time zone in which the control is performed at a temperature lower than the fixed temperature range (STEP 4).
Further, when the time period deviates, the signal of the subcooling chamber temperature detecting means 16 is processed by the arithmetic processing unit 18A, the relay 20 is opened and closed by the control unit 19, and the supercooling temperature is set (STEP).
6). Further, the timer 17 checks whether or not it is within the supercooling temperature setting time zone (STEP 7), and if it is within the time zone, performs a supercooling operation (STEP 8). Further, when the time period deviates, a signal is sent from the arithmetic processing unit 18A to the control unit 19 to open and close the switching contact 20, and the cooling device 14 is stopped (ST
EP9). Further, it is confirmed by the timer 17 whether or not the current time is in the cooling device stop time zone (STEP 10). If the current time is out of the range, the cooling device 14 returns to the normal operation by the inside temperature detecting means 15.

As described above, the internal temperature control device of the vending machine according to the present embodiment detects the temperature of the storage room 12 lower than the normal state by the predetermined temperature range only in the time period before the forced stop of the cooling device. Along with the start of the time period before the forced stop of the cooling device, a temperature detection means 16 for detecting the temperature of the storage chamber which is lower than a predetermined temperature width for a predetermined time from the start of the cooling device, a timer 17 for counting the current time, and detecting the outside air temperature A processing unit 18A for storing and calculating the outside air temperature detecting means 21, the subcooling inside temperature detecting means 16, the outside air temperature detecting means 21 and the timer 17, and a signal from the arithmetic processing unit 18A for opening and closing. The control means 19 for controlling the contact point 20 stores and compares the temperature in the subcooling chamber of the storage chamber 12 with the preset outside air temperature. The outside air temperature is controlled by controlling the temperature of the storage room 12 and the storage room temperature that is lower than the normal temperature range by a predetermined temperature range only for the time period and the storage room temperature that is lower than the predetermined temperature range for the predetermined time period from the start of the time period before the forced stop of the cooling device. When the temperature rises, the operation rate of the cooling device further increases, the temperature of the storage room product rapidly decreases, and the temperature of the storage room can be stabilized even before the forced stop of the cooling device even if the outside air temperature changes.

(Embodiment 3) Next, a description will be given, with reference to the drawings, of an in-compartment temperature control device for a vending machine according to Embodiment 3 of the present invention.

The same components as those of the conventional example, the first embodiment and the second embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 8 is a block diagram of a temperature control device in a vending machine according to a third embodiment of the present invention. FIG. 9 is a flowchart of the inside temperature control device of the vending machine of the embodiment.

In FIGS. 8 and 9, reference numeral 22 denotes sales amount detecting means for detecting sales amount, and reference numeral 23 denotes a storage unit for storing sales amount data. Numeral 15 denotes an internal temperature detecting means for detecting the temperature of the storage room 12, and 16 detects a temperature of the storage room 12 which is lower than normal by a predetermined temperature width only in a time period before the forced stop of the cooling device. In addition, it is a temperature detecting means in the subcooling chamber for detecting a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device. Reference numeral 17 denotes a timer for counting the current time. 1
Reference numeral 8B denotes an arithmetic processing unit for storing and calculating the subcooling-chamber internal temperature detecting means 16, the timer 17, and the sales amount detecting means 22. Reference numeral 19 denotes control means for controlling the on / off contact 20 based on a signal from the arithmetic processing unit 18B.

The operation of the inside temperature control device of the vending machine configured as described above will be described with reference to FIGS.

The timer 17 checks whether or not the current time is in the control time zone (STEP 1). If the current time is in the control time zone, the sales amount data is added by the sales amount detecting means 22 (ST1).
EP2) The signal of the subcooling chamber temperature detecting means 16 is compared with the sales data stored in the storage unit 23 and the sales amount set in advance, the processing is performed by the arithmetic processing unit 18B, and the relay 20 is opened and closed by the control unit 19. , Set to a temperature lower by a predetermined temperature range (STE
P3). Further, it is confirmed by the timer 17 whether or not the present time is a time zone in which the temperature is controlled at a certain temperature width lower (STEP 17).
4) If it is a time zone, the operation is performed at a temperature lower by a predetermined temperature width (STEP 5). When the time period is out of the range, the signal of the subcooling chamber temperature detecting means 16 is processed by the arithmetic processing unit 18B, and the relay 20 is opened and closed by the control unit 19 to set the supercooling temperature (STEP 6). Further, it is confirmed by the timer 17 whether it is within the supercooling temperature setting time zone (STEP 7),
If it is within the time zone, a supercooling operation is performed (STEP 8). Further, when the time zone deviates, the control unit 1 is sent from the arithmetic processing unit 18B.
A signal is sent to the switch 9 to open and close the switching contact 20, and the cooling device 14 is stopped (STEP 9). Further, it is confirmed by the timer 17 whether the current time is in the cooling device stop time zone (STE).
P10) If it comes off, the cooling device 14 returns to the normal operation by the internal temperature detecting means 15.

As described above, the internal temperature control device of the vending machine according to the present embodiment detects the temperature of the storage room 12 which is lower than the normal state by the predetermined temperature range only during the period before the forced stop of the cooling device. Along with the start of the time period before the forcible shutdown of the cooling device, a temperature detecting means 16 for detecting the temperature of the storage chamber, which is lower than a predetermined temperature width for a predetermined time, a timer 17 for counting the current time, and a sales amount are detected. A processing unit 18B for storing and calculating the sales amount detecting means 22, the subcooling chamber temperature detecting means 16, the sales amount detecting means 22 and the timer 17, and a signal from the processing unit 18B. Since the control unit 19 controls the on / off contact 20, the storage room 1 corresponding to the product sales amount is stored in order to compare and store the temperature in the subcooling chamber of the storage room 12 and a preset sales amount. The temperature of the storage room is controlled to be lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device, together with the storage room temperature lower than normal by a predetermined temperature width only in the time period before the forced stop of the cooling device. As a result, when the sales volume rises, the operation rate of the cooling device further increases, the temperature of the storage room product decreases quickly, and even if the sales volume changes, the storage room temperature can be stabilized during the time before the forced stop of the cooling device. it can.

(Embodiment 4) Next, a description will be given of an internal temperature control device for a vending machine according to Embodiment 4 of the present invention with reference to the drawings. The same components as those of the conventional example, the first embodiment, the second embodiment, and the third embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 10 is a block diagram of a vending machine internal temperature control device according to a fourth embodiment of the present invention. FIG. 11 is a flowchart of the inside temperature control device of the vending machine of the embodiment.

In FIGS. 10 and 11, reference numeral 23 denotes door opening / closing detecting means for detecting opening / closing of a door, and 23 denotes a storage unit for storing a door opening / closing amount. Numeral 15 denotes an internal temperature detecting means for detecting the temperature of the storage room 12, and 16 detects a temperature of the storage room 12 which is lower than normal by a predetermined temperature width only in a time period before the forced stop of the cooling device. In addition, it is a temperature detecting means in the subcooling chamber for detecting a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device. Reference numeral 17 denotes a timer for counting the current time. Reference numeral 18C denotes an arithmetic processing unit for storing and calculating the temperature in the subcooling chamber detecting means 16, the timer 17, and the door open / close detecting means 23. Reference numeral 19 denotes control means for controlling the on / off contact 20 based on a signal from the arithmetic processing unit 18C.

The operation of the inside temperature control device for a vending machine configured as described above will be described with reference to FIGS.

The timer 17 checks whether or not the current time is in the control time zone (STEP 1). If the current time is in the control time zone, the door open / close detecting means 23 adds the door open / close data (S1).
TEP2), a signal from the subcooling chamber temperature detecting means 16, the door opening / closing amount data stored in the storage unit 23, and a preset door opening / closing amount are compared, processed by the arithmetic processing unit 18C, and controlled by the control unit 19. The relay 20 is opened and closed to set a temperature lower by a predetermined temperature width (STEP 3). Further, it is confirmed by the timer 17 whether or not the present time is a time zone in which the control is performed at a temperature lower than the predetermined temperature width (STEP 4). Also, if the time is off,
The signal from the subcooling chamber temperature detecting means 16 is processed by the arithmetic processing unit 1
8C, the control unit 19 opens and closes the relay 20, and sets the supercooling temperature (STEP 6). Further, it is confirmed by the timer 17 whether or not the time is within the subcooling temperature set time zone (ST).
EP7), supercooling operation is performed within the time zone (STE)
P8). When the time period is out of the range, a signal is sent from the arithmetic processing section 18C to the control section 19 to open and close the open / close contact 20, and the cooling device 14 is stopped (STEP 9). Further, it is confirmed by the timer 17 whether or not the current time is in the cooling device stop time zone (STEP 10). If the current time is out of the range, the cooling device 14 returns to the normal operation by the inside temperature detecting means 15.

As described above, the internal temperature control device of the vending machine according to the present embodiment detects the temperature of the storage room 12 which is lower than the normal temperature by a predetermined temperature range only in the time period before the forced stop of the cooling device. Along with the start of the time period before the forcible shutdown of the cooling device, a temperature detecting means 16 for detecting a temperature of the storage chamber which is lower than a predetermined temperature width for a predetermined time, a timer 17 for counting the current time, and a door open / close detection Opening / closing detecting means 23, the subcooling chamber temperature detecting means 16, the processing unit 18C for storing and calculating the door opening / closing detecting means 23 and the timer 17, and a signal from the processing unit 18C, Since it is composed of the control means 19 for controlling the opening / closing contact 20, the temperature inside the subcooling chamber of the storage chamber 12 and the preset opening / closing amount of the door are compared and stored.
The temperature of the storage room 12 corresponding to the opening / closing amount of the door is set to a predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device together with the storage room temperature lower than the normal temperature range by a predetermined temperature range only in the time period before the forced stop of the cooling device. By controlling the lower temperature of the storage room, the operation rate of the cooling device increases further when the opening and closing amount of the door increases, and the temperature of the storage room product decreases quickly even if the door opening and closing amount increases, and the cooling device is forcibly stopped. It is possible to stabilize the storage room temperature in the previous time period.

(Embodiment 5) Next, a description will be given, with reference to the drawings, of an in-compartment temperature control device for a vending machine according to Embodiment 5 of the present invention.

The same components as those in the conventional example, the second embodiment, the third embodiment, and the fourth embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 12 is a block diagram of a refrigerator temperature control device of a vending machine according to Embodiment 5 of the present invention. FIG. 13 is a flowchart of the inside temperature control device of the vending machine of the embodiment.

In FIG. 12 and FIG.
4 is an operating state detecting means for detecting the operating state of the apparatus. Fifteen
Reference numeral 16 denotes an inside temperature detecting means for detecting the temperature of the storage room 12, and 16 detects the storage room temperature lower than the normal temperature by a predetermined temperature range only in the time period before the forced stop of the cooling device. And a temperature detecting means in the subcooling chamber for detecting a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device. Reference numeral 17 denotes a timer for counting the current time. Reference numeral 18D denotes an arithmetic processing unit for storing and calculating the subcooling chamber temperature detecting means 16, the timer 17, and the operating state detecting means 24. Reference numeral 19 denotes control means for controlling the on / off contact 20 based on a signal from the arithmetic processing unit 18D.

The operation of the inside temperature control device for a vending machine configured as described above will be described with reference to FIGS.

A timer is used to check whether or not the time is within the sales data storage time zone (STEP 1). If it is during the time zone, sales data is added and stored (STEP 2). It is determined whether the number of sales is large or small in comparison with the sales number set in advance (S
(STEP3) If the number is large, the normal operation is started, and if the number is small, the energy saving operation is started (STEP4).

The timer 17 confirms whether or not the current time is in the control time zone (STEP 5). If the current time is in the control time zone, the operating state data is added by the operating state detecting means 24 (STEP 6), and the temperature in the subcooled refrigerator is determined. The signal of the detection means 16 is processed by the arithmetic processing section 18D, and the control section 19 controls the relay 20.
Is opened and closed to set a lower temperature by a predetermined temperature range (STEP
7). Further, it is confirmed by the timer 17 whether or not the present time is a time zone in which the temperature is controlled by a predetermined temperature range lower (STEP 8).
In the time zone, the operation is performed at a temperature lower by a predetermined temperature range (STE
P9). Further, when the time period deviates, the signal of the subcooling chamber temperature detecting means 16 is processed by the arithmetic processing section 18D, the relay 20 is opened and closed by the control section 19, and the supercooling temperature is set (STEP 10). Further, the timer 17 checks whether it is within the supercooling temperature setting time zone (STEP 11), and if it is within the time zone, performs the supercooling operation (STEP 12). If the time zone deviates, the control unit 1 is sent from the arithmetic processing unit 18D.
9 to open and close the on-off contact 20 and the cooling device 14
Is stopped (STEP 13). Further, it is confirmed by the timer 17 whether the current time is in the cooling device stop time zone (S17).
(TEP14) If it comes off, the cooling device 14 returns to the normal operation by the internal temperature detecting means 15.

As described above, the internal temperature control device of the vending machine according to the present embodiment detects the temperature of the storage room 12 which is lower than the normal temperature by a predetermined temperature range only in the period before the forced stop of the cooling device. In addition, a cooling unit temperature detecting means 16 for detecting a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device, a timer 17 for counting the current time, Operating state detecting means 24 for detecting an operating state; the subcooling chamber temperature detecting means 16; the operating state detecting means 24;
And a control means 19 for controlling the open / close contact 20 based on a signal from the arithmetic processing unit 18D. In order to compare and store the operating state of the cooling device, the temperature of the storage room 12 corresponding to the operating state of the cooling device is set together with the storage room temperature lower than normal by a predetermined temperature width only in the time period before the forced stop of the cooling device, and the forced operation of the cooling device is performed. By controlling the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the pre-stop time zone, the operation rate of the cooling device further increases if the cooling device is in energy saving operation before the forced stop time period of the cooling device In addition, the temperature of the storage room product decreases quickly, and the storage room temperature can be stabilized during the time period before the forced stop of the cooling device even during the energy saving operation.

(Embodiment 6) Next, a description will be given, with reference to the drawings, of an in-compartment temperature control device for a vending machine according to Embodiment 6 of the present invention.

The same configuration as that of the conventional example, the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment will be described.
The same reference numerals are given and the detailed description is omitted.

FIG. 14 is a block diagram of a vending machine internal temperature control device according to a sixth embodiment of the present invention. FIG. 15 is a flowchart of the inside temperature control device of the vending machine of the embodiment.

In FIGS. 14 and 15, reference numeral 25 denotes storage amount detecting means for detecting the storage amount of the product, and reference numeral 23 denotes a storage unit for storing storage amount data. Numeral 15 denotes an internal temperature detecting means for detecting the temperature of the storage room 12, and 16 detects a temperature of the storage room 12 which is lower than normal by a predetermined temperature width only in a time period before the forced stop of the cooling device. With
This is a temperature detecting means in the subcooling chamber for detecting a storage room temperature lower than a predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device. Reference numeral 17 denotes a timer for counting the current time. Reference numeral 18E denotes an arithmetic processing unit for storing and calculating the subcooling chamber temperature detecting means 16, the timer 17, and the storage amount detecting means 25. 19 is the arithmetic processing unit 18E
Control means for controlling the on / off contact 20 in response to a signal from

The operation of the inside temperature control device for a vending machine configured as described above will be described with reference to FIGS.

The timer 17 confirms whether or not the present time is in the control time zone (STEP 1). If the current time is in the control time zone, the data of the product storage amount is added by the storage amount detecting means 25 (STEP 2). The signal of the temperature detecting means 16 is compared with the storage amount data stored in the storage unit 23 and the storage amount set in advance, the processing is performed by the arithmetic processing unit 18E, the relay 20 is opened and closed by the control unit 19, and the temperature is lowered by a predetermined temperature range. (STEP 3). Further, it is confirmed by the timer 17 whether or not the present time is a time zone in which the control is performed at a temperature lower than the predetermined temperature width (ST
If it is a time zone, the operation is performed at a temperature lower by a predetermined temperature width (STEP 5). Further, when the time period deviates, the signal of the temperature detecting means 16 in the subcooling chamber is processed by the arithmetic processing unit 18E, the relay 20 is opened and closed by the control unit 19, and the supercooling temperature is set (STEP 6). Further, it is confirmed by the timer 17 whether the time is within the supercooling temperature set time zone (STEP 17).
7) If it is within the time zone, a supercooling operation is performed (STEP).
8). Further, when the time zone deviates, a signal is sent from the arithmetic processing unit 18E to the control unit 19 to open the on-off contact 20 and stop the cooling device 14 (STEP 9). Further, it is confirmed by the timer 17 whether or not the current time is in the cooling device stop time zone (STEP 10). If the current time is out of the range, the cooling device 14 returns to the normal operation by the inside temperature detecting means 15.

As described above, the temperature control device in the vending machine according to the present embodiment detects the temperature of the storage room 12 lower than the normal temperature range by a predetermined temperature only in the time period before the forced stop of the cooling device. Along with the start of the time period before the forcible stop of the cooling device, a temperature detecting means 16 for detecting the temperature of the storage chamber which is lower than a predetermined temperature width for a predetermined time from the start of the time period, a timer 17 for counting the current time, and a product storage amount. An arithmetic processing unit 18E that stores and calculates the storage amount detection unit 25 to detect, the subcooled storage temperature detection unit 16, the storage amount detection unit 25, and the timer 17, and a signal from the arithmetic processing unit 18E, The control means 19 for controlling the relay 20 stores and compares the temperature in the subcooling chamber of the storage chamber 12 with a preset product storage amount. The temperature of the storage unit 12 is controlled not only in the time period before the forced stop of the cooling device but also in the storage room temperature lower than the normal by a predetermined temperature range, and also in the storage room temperature lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device. Thus, if the amount of stored products is large, the operation rate of the cooling device increases, the temperature of the products in the storage room rapidly decreases, and the temperature of the storage room can be stabilized during the time period before the forced stop of the cooling device.

[0062]

As described above, according to the present invention, the temperature of the storage chamber is set at the time before the forced stop of the cooling device together with the temperature of the storage room which is lower by a predetermined temperature width than usual only in the time period before the forced stop of the cooling device. By controlling the storage room temperature which is lower than the predetermined temperature width for a predetermined time, the time required for the storage room products to reach the predetermined temperature is shortened, and the storage room temperature is stabilized during the period before the forced stop of the cooling device. Can be.

In addition, the temperature of the storage room corresponding to the product sales amount is set to a predetermined time from the start of the time period before the forced stop of the cooling device, together with the temperature of the storage room that is lower by a predetermined temperature width than usual only in the time period before the forced stop of the cooling device. By controlling the storage room temperature even lower than the predetermined temperature range, the time required for the storage room products to reach the predetermined temperature can be shortened, and the storage room temperature can be stabilized during the period before the forced stop of the cooling device.

In addition, the temperature of the storage chamber corresponding to the opening and closing amount of the door is set to a predetermined value from the start of the time period before the forced stop of the cooling device together with the temperature of the storage room during the time period before the forced stop of the cooling device. By controlling the storage room temperature even lower than the predetermined temperature range, the time required for the storage room product to reach the predetermined temperature can be shortened, and the storage room temperature can be stabilized during the time period before the forced stop of the cooling device. .

In addition, the temperature of the storage chamber corresponding to the operation state of the cooling device is set to the temperature of the storage room that is lower than normal by a predetermined temperature width only during the time period before the forced stop of the cooling device, and from the start of the time period before the forced stop of the cooling device. By controlling the storage room temperature lower than the predetermined temperature width for the predetermined time, the time required for the storage room products to reach the predetermined temperature can be shortened, and the storage room temperature can be stabilized during the period before the forced stop of the cooling device. it can.

[Brief description of the drawings]

FIG. 1 is a block diagram of a first embodiment of a temperature control device in a vending machine according to the present invention.

FIG. 2 is a front view of a refrigerator temperature control device of the vending machine of the embodiment.

FIG. 3 is a flowchart of a vending machine internal temperature control device of the embodiment.

FIG. 4 is a characteristic diagram showing a product temperature of the internal temperature control device of the vending machine of the embodiment.

FIG. 5 is a block diagram of a second embodiment of a vending machine internal temperature control device according to the present invention;

FIG. 6 is a front view of the inside temperature control device of the vending machine of the embodiment.

FIG. 7 is a flowchart of the inside temperature control device of the vending machine of the embodiment.

FIG. 8 is a block diagram of Embodiment 3 of a vending machine internal temperature control device according to the present invention.

FIG. 9 is a flowchart of a vending machine internal temperature control device of the embodiment.

FIG. 10 is a block diagram of a fourth embodiment of a vending machine internal temperature control device according to the present invention;

FIG. 11 is a flowchart of the internal temperature control device of the vending machine of the embodiment.

FIG. 12 is a block diagram of Embodiment 5 of a vending machine internal temperature control device according to the present invention.

FIG. 13 is a flowchart of the internal temperature control device of the vending machine of the embodiment.

FIG. 14 is a block diagram of Embodiment 6 of a refrigerator temperature control device for a vending machine according to the present invention.

FIG. 15 is a flowchart of the internal temperature control device of the vending machine of the embodiment.

FIG. 16 is a front view of a conventional internal temperature control device of a vending machine.

FIG. 17 is a circuit diagram of a conventional internal temperature control device of a vending machine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 12 Storage room 14 Cooling device 15 Inside temperature detection means 16 Subcooling inside temperature detection means 17 Timer 18, 18A, 18B, 18C, 18D, 18E Arithmetic processing part 19 Control means 20 Opening / closing contact 21 Outside air temperature detection means 22 Sales detection Means 23 Storage unit 24 Door open / close detecting means 25 Operating state detecting means 26 Storage amount detecting means

Claims (4)

[Claims] A cooling device and a fan are provided in a storage room for storing a product having a heat insulating structure, the product is cooled and sold, and the temperature of the storage room during a time period before the forced stop of the cooling device is lowered by a predetermined temperature range from a normal temperature. In a vending machine forcibly stopping a cooling device for a predetermined time period, a storage room, a cooling device for cooling the storage room, and a power supply circuit for the cooling device are connected to open and close power supply to the cooling device. Opening / closing contact for, and an internal temperature detecting means for detecting the temperature of the storage chamber,
In addition to detecting the temperature of the storage chamber lower than the normal time period before the forced stop of the cooling device by a predetermined temperature range from the normal temperature range and storing the temperature of the storage room lower than the predetermined temperature range for the predetermined time period from the start of the time period before the forced stop of the cooling device. A subcooling chamber temperature detecting means for detecting a room temperature, a timer for confirming a current time and a stop time, and an arithmetic processing for storing the subcooling chamber temperature of the storage room detected by the subcooling chamber temperature detecting means. Unit and the signal from the arithmetic processing unit, the temperature of the storage room is set to a storage room temperature lower than normal by a predetermined temperature width only in the time period before the forced stop of the cooling device, and the time period before the forced stop of the cooling device is started. A temperature control device in a vending machine, comprising a control means for controlling a storage room temperature lower than a predetermined temperature width for a predetermined time. 2. The temperature of the storage room before the forced stop of the cooling device is lowered by a predetermined temperature range from a normal temperature range, and the storage room temperature is switched to a temperature lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device. As means, sales amount detecting means for detecting the sales amount of the product at a predetermined time before the time period before the forcible shutdown of the cooling device, a storage unit for storing sales amount data, a predetermined sales amount and the sales amount An arithmetic processing unit for comparing data is provided, and when the sales volume is large, the setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is set low, and when the sales volume is small, the cooling is performed. 2. The vending machine internal temperature control device according to claim 1, wherein the setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the device is set higher. 3. The temperature of the storage chamber before the forced stop of the cooling device is lowered by a predetermined temperature range from a normal temperature range, and the storage room temperature is switched to a temperature lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device. As means, a door opening / closing amount detecting means for detecting a door opening / closing amount at a predetermined time before a time period before the forced stop of the cooling device, a storage unit for storing door opening / closing amount data, An arithmetic processing unit for comparing the opening / closing amount and the door opening / closing amount data is provided, and when the door opening / closing amount is large, setting of the storage chamber temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is set. 2. The vending machine according to claim 1, wherein when the door opening / closing amount is low, the setting of the storage room temperature which is lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is set higher. Warehouse Internal temperature control device. 4. The temperature of the storage chamber before the forced stop of the cooling device is lowered by a predetermined temperature range from the normal temperature, and the temperature of the storage room is switched to a temperature lower than the predetermined temperature range for a predetermined time from the start of the time period before the forced stop of the cooling device. As means, operating state detection means for detecting the operating state of the cooling device at a predetermined time before the time period before the forced stop of the cooling device is provided, and in the case of the energy saving operation state of the cooling device, the time period before the forced stop of the cooling device is provided. The setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the cooling operation is lowered, and in the case of normal operation, the setting of the storage room temperature lower than the predetermined temperature width for a predetermined time from the start of the time period before the forced stop of the cooling device is increased. A temperature control device in a vending machine before forcibly stopping a cooling device.