JP2725910B2 - Vending machine internal temperature switching 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 device for switching the temperature inside a vending machine for selling canned beverages and the like.

[0002]

2. Description of the Related Art A vending machine for selling a hot beverage or a cold beverage is configured as shown in FIG. Inside the vending machine surrounded by the vending machine body 1 and the front door 2, an inner box 3 having a heat insulating structure is provided. A product stocker 7 for stacking and stocking canned beverages 6 of commodities is installed in a refrigerator surrounded by the inner box body 4 and the inner door 5.
An evaporator 8, a sheath heater 9 and a fan 10 are provided at the bottom of the inner box 3, and a compressor 11 and a condenser 12 are installed at the bottom of the vending machine main body 1.
The condenser 12 and the evaporator 8 form a refrigeration cycle.

[0003] When handling cold beverages,
The refrigeration cycle is operated with the heater 9 turned off, and the evaporator 8 is turned off.
Is cooled by the air flow A passing through the inside. Figure
As shown in FIG.₁ ,14
_Two ,14_Three Divided into 14₁ ~14_Three Product stocker
7 to install hot beverages and cold beverages
In vending machines, 14₁ Has a first evaporator 8₁ And the first
Fan 10₁ 14_Two Has a first sheathed heater 9₁ 
And the second fan 10_Two And the second evaporator 8 _Two 14
_Three Has a third evaporator 8_Three And the third fan 10_Three And the second
Seeds heater 9_Two And the first to third evaporators 8₁ 
~ 8_Three The capillary tube 15₁ ~ 15_Three And through piping 16
Connected to the common compressor 11 and condenser 12 to complete the refrigeration system.
I am making it. 17₁ , 17_Two Is a solenoid valve.

[0004] When the chamber 14 ₂ in a heated state has a first sheathed heater 9 ₁ turns off the solenoid valve 17 ₁ second
Operating the fan 10 _2. When switching the storage room 14 ₂ in the cooling state turns on the solenoid valve 17 ₁ turns off the power supply to the first sheathed heater 9 _1. When switching the storage room 14 ₃ to a warm state cooling state is the same.

[0005] A conventional cold / hot display device provided on the sample display shelf 18 to indicate the distinction between hot beverages and cold beverages for sale is provided with the letters "cold" on the surface as shown in Figs. A first display plate 19 of the indicated thin plate material,
It has a second display panel 20 of a thin plate material on which "hot" characters are written on the surface, and a support 21 is provided on the side of the vending machine corresponding to the arrangement position of each sample, and a cold product is provided. As for the column, the first display plate 19 is attached to the support 21,
For hot product columns, the second display panel 20 is a support
Attached to 21.

[0006]

In such a conventional configuration, a staff member manually operates the inside of the refrigerator at the turn of the season.
4 _2, 14 switches the _third and a heated state and cooled state, the first display plate 19 must be replaced with a second display panel 20, to be each time cycle through all of the vending machines in a short period of time It was necessary and very operable.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an internal temperature switching device that can automatically switch between a heating state and a cooling state without manual operation by a staff member.

[0008]

According to a first aspect of the present invention, there is provided a vending machine having a plurality of insides which can switch between a cooling state and a heating state in the inside of a warehouse for storing products for sale. A clock unit having a function, a temperature sensor for measuring an outside air temperature, a heating state and a cooling state based on a comparison result between a set time and data output from the clock unit and detected temperature information of the temperature sensor. A control unit for switching, and when the control unit detects that the set time has come, it switches all the temperature adjustment states in the plurality of managed refrigerators or a specific one of the plurality of refrigerators. It was determined whether to switch the temperature adjustment state while keeping the inside of the refrigerator based on the tendency of the change in the detected temperature information of the temperature sensor. Ta After a prescribed period from the timing leaving the in a particular compartment, characterized by being configured to switch the temperature control state.

According to a second aspect of the present invention, there is provided a vending machine having a plurality of interiors capable of switching between a cooling state and a heated state in an interior for storing products for sale. A temperature sensor for measuring an outside air temperature, and a control unit for switching between a heating state and a cooling state based on a comparison result between a set time and data output from the clock unit and temperature information detected by the temperature sensor. The control unit is configured to switch the temperature adjustment state after a lapse of a specified period from the set time, based on a tendency of the change of the detected temperature information of the temperature sensor at the set time.

[0010]

According to the configuration of the first aspect, the control unit needs to switch between the cooling state and the heating state based on the comparison result between the data output from the clock unit and the set time and the temperature information detected by the temperature sensor. If the switching is necessary, it is automatically switched.

According to the configuration of the second aspect, the temperature is not sufficiently raised based on the tendency of the temperature information detected by the temperature sensor, instead of being unconditionally switched at the set time. In the state, the control unit switches the temperature adjustment state from the heating state to the cooling state after a lapse of a specified period from the set time.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 7 and 8 showing the conventional example will be described with the same reference numerals.

FIG. 1 shows an internal temperature switching device according to the present invention.
Here it is performed the switching of-compartment 14 _2, 14 ₃ of the inside temperature. The clock unit 22A has an annual calendar function that constantly counts the passage of time and updates the date.
The time information S1 outputted from the controller is taken into the control unit 23. The temperature information S2 at each time detected by the outside temperature sensor 22B as a temperature sensor for detecting the outside temperature of the place where the vending machine is installed is also taken into the control unit 23, and the temperature information S2 is sequentially changed over a certain period (for example, 12 hours). Is accumulated in First and second set times R ₁ and R ₂ are set in the control unit 23 in advance. The date information S is compared with the first and second set times R ₁ and R ₂ , and the outside temperature sensor 22B is set. Has been implemented.

First switch 24₁ Is the solenoid valve 17₁ And the first
Sheath heater 9₁ Power to the second switch 24
_Two Is a solenoid valve 17_Two And the second sheathed heater 9_Two Power to
You have selected. 14 provided in the sample display shelf 18
_Two ,14_Three Hot beverages sold in stock
Cold / cold indicator 25 indicating cold beverage distinction_Two ,twenty five_Three Is
"Hot" character pattern and "Cold" character pattern
It is composed of a liquid crystal display panel with
1, the second switch 24₁ ,twenty four_Two In conjunction with the switching of
Third and fourth switches 26 as display switching units_Three , 26_Four To
Therefore, the display of “Hot” / “Cold” is automatically turned off.
Can be replaced. Here, the first and second switches 24₁ ,twenty four
_Two Is a solenoid valve 17₁ , 17_Two When power is supplied to the
The third and fourth switches 26 according to the instruction of 23_Three , 26_Four Cut off
Replaced with cold indicator 25_Two ,twenty five_Three Are both "call
To the display state of "C", and the first and second switches
twenty four₁ ,twenty four _Two Is the first and second sheathed heaters 9₁ , 9_Two Paid
Cold indicator 25 when powered _Two ,twenty five_Three Are both "ho
The display is switched to the display state of "".

The control unit 23 is configured as shown in the flowchart of FIG. Here, the first set time R
₁ is “May 5”, the second set time R ₂ is “October 10”
It is assumed that this is set to.

In step # 1, the average temperature T _{A of the} stored outside temperature information for the past 12 hours is calculated, and in step # 2, the current outside temperature is set to "Temperature rise" from the tendency of the change in the outside temperature information for the past 12 hours. ”Or“ Temperature is declining ”. # Current date given in 3 Dates information S1 to determine what happened to the range of, for example, a two-week period prescribed period from "5/5" of the first setting time R _1, the cooling switching period If not, execute # 4. # Determines whether the current date is given by 4 date information S1 in was in the range of 2 week period prescribed period after "October 10" of the first setting time R _2, the heating switching period If not, the first and second switches 24 ₁ and 24 ₂ and the third and fourth switches 26 ₃ and 26 ₄
The flow returns to # 1 without executing the switching.

Here, the current date is “May 1” and the
1, the second switch 24₁ ,twenty four_Two Is the first and second seeds
Data 9₁ , 9_Two Power supply to the
Of which 14 _Two ,14_Three Are both operated in a heated state
When the date information S becomes “May 5”, the control unit 23
Setting time R₁ Is reached at # 3, and the cooling
The logical routine C is executed.

The cooling processing routine C is configured as follows. In # 5, it is determined whether or not the change tendency of the outside air temperature calculated in # 2 is "rising slightly", and if it is determined to be "rising slightly", # 6 is executed.

[0019] In # 6, to determine whether the average temperature T _A of the outside air temperature information obtained by the # 1 20 ° C. or more, in the case of more than 20 ° C. is running # 7, first, second Switches 24 ₁ , 24
₂ switches to a state in which power is supplied to the solenoid valves 17 ₁ and 17 _2, and both the insides 14 ₂ and 14 ₃ are switched to the cooling state. At this time, third, fourth switch 26 _3, 26 ₄ be changed outright is instructed by the control section 23, cold indicator 25 _2, 25 ₃ is switched to the display state of both "cold".

If it is determined in step # 6 that the temperature is lower than 20 ° C.,
8 by executing the first, second switch 24 _1, 24 by the first switch 24 ₁ among the _2-chamber 14 ₂ switched to a state for supplying power to the solenoid valve 17 ₁ is switched to the cooling state is, in this case, the third switch 26 ₃ be changed outright is instructed by the control section 23, cold indicator 25 ₂ is switched to the display state of "cold".

After executing # 7 or # 8, it is next determined at # 9 whether two weeks of the cooling switching period is just before the end. If it is not immediately before the end of the cooling switching period, the flow returns to # 1 and the cooling processing routine C is repeatedly executed. If it is detected just before the end of the cooling switching period in # 9, # 10
The run second switch 24 ₂ is the second sheath heater 9
When in power the _second side is switched to power the solenoid valve 17 _2, all the internal 14 _2, 14 ₃ to the cooling condition.

[0022] At this time, the fourth switch 26 ₄ is also controller
Instead outright is indicated by 23, cold indicator 25 ₃ is switched to the display state of "cold". The heating processing routine H is configured as follows.

At step # 11, it is determined whether or not the change tendency of the outside air temperature calculated at step # 2 is "falling down", and if it is determined that it is "falling down", step # 12 is executed. In # 12,
# The average temperature T _A of the outside air temperature information obtained in 1 it is determined whether 10 ° C. or less, in the case of 10 ° C. or less running # 13,
The first and second switches 24 ₁ and 24 ₂ are switched to a state in which power is supplied to the first and second sheathed heaters 9 ₁ and 9 _2, and the interior 14
_2, 14 ₃ is switched together a heated state. At this time, third, fourth switch 26 _3, 26 ₄ be changed outright is instructed by the control section 23, cold indicator 25 _2, 25 ₃ is switched to the display state are "hot".

If it is determined in step # 12 that the temperature is higher than 10 ° C., step # 14 is executed to execute the first and second switches 24 ₁ and 24 ₁ .
Of the _two , only the first switch 24 ₁ is the sheathed heater 9 ₁
The internal 14 ₂ switched to a state of power supply is switched to the heating state, At this time, the third switch 26 ₃ is also controller 23
In behalf outright indicated, cold indicator 25 ₂ is switched to the display state of "hot".

After executing # 13 or # 14, it is next determined at # 15 whether two weeks of the heating switching period is just before the end, and if it is not immediately before the end of the heating switching period, the process returns to # 1 to perform heating. The temperature processing routine H is repeatedly executed. If it is detected in the step # 15 that the heating switching period is just before the end, the step # 16 is executed.
Second switch 24 ₂ is switched to supply power to the sheath heater 9 ₂ in the case of providing current to the side of the solenoid valve 17 ₂ to the run, all the internal 14 _2, 14 ₃ in a heated state I do.

In this case, the fourth switch 26_Four Also control unit
Switch as indicated by 23, and the temperature indicator 25_Three Is “Hot
The display status is switched to the
Based on the report S1, the warehouse 14
_Two,14_Three Automatically switches to the cooling state and displays the cooling temperature
Container 25_Two ,twenty five_Three Automatically switches to "cold" display
It is. Within 14 days from October 10 in the warehouse 14_Two ,14 _Three Is
The temperature is automatically switched to the heating state, and the temperature indicator 25_Two ,twenty five
_Three Is automatically switched to the "hot" display.

Further, in the cooling processing routine C according to the temperature information S2, when the air temperature is not likely to rise, or when the air temperature is still rising but less than 20 ° C., the entire control to be switched to the cooling state is not switched to the cooling state, and Since only a part is kept warm within a week, it is possible to meet the demand for hot beverages.

Similarly, in the heating process routine H in accordance with the temperature information S2, if the temperature is not likely to decrease or if the temperature is still lower than 10 ° C. even when the temperature is decreasing, the entire heating control is switched to the heating state. Since a part is kept cold only within two weeks without switching, it is possible to meet the demand for cold beverages.

In the above embodiment, the cold / hot table of the sample shelf 18 was used.
The display shows a liquid crystal display panel with a cold / hot indicator 25. _Two ,twenty five_Three Composed
Is a character notation as shown in Fig. 5 instead of the display panel.
The rotating support 29 is rotated by a motor based on an instruction from the controller 23.
A configuration that changes the display by rotating by a specified angle with 30,
Is formed of a translucent acrylic resin or the like as shown in FIG.
The cylindrical body 32 with characters written on the outer peripheral surface is instructed by the controller 23
The display is changed by rotating the motor 33 by the specified angle based on
It can also be configured to be modified. The cylindrical body 32 is
It is arranged on the outer periphery of the fluorescent lamp.

In the above embodiment, the date information S1 provided from the clock section 22A is compared with the first and second set times R ₁ and R ₂ , and the date information S1 becomes the first set time R ₁ . However, instead of switching everything to the cooling state unconditionally,
Some in accordance with the temperature information S2 from the outside air temperature sensor 22B is in a heated state without switching to the cooling state, even date information S1 is turned R ₂ a second set time, a heated state all unconditionally Instead of switching to the temperature information S2 from the outside air temperature sensor 22B, a part of the cooling state without switching to the heating state has been described as an example, but the date information S1 and the temperature information S2 are when switching the cold state based, even before the date information S1 becomes the first setting time R ₁ in in operating a heated state, to determine the change tendency of the outside air temperature from the temperature information S2, Temperature is on the rise and average temperature T _A
Changeover switch 24 ₁ of the controller is the first to fourth, 24 _2, 26 _3, 26 _4-chamber 14 _2, 14 ₃ is switched to the cooling state when but is detected that example became 20 ° C. or higher Further, even before the date information S1 is R ₂ a second set time in the in operation cooled state, to determine a change trend of the outside temperature from the temperature information S2, and the average temperature at the low side is temperature T _a is for example 10 ° C. switch 24 ₁ controller first to fourth when detecting that became less, 24 _2, 26 _3, 26 ₄ are switched in the refrigerator 14 _2, 14 ₃ warming It can be configured to switch to the state.

[0031]

According to the first aspect of the present invention, there is provided a vending machine having a plurality of interiors in which the interior of a warehouse for storing commercial products can be switched between a cooled state and a heated state, and provided with a calendar function. A clock unit, a temperature sensor that measures an outside air temperature, a control unit that switches between a heating state and a cooling state based on a comparison result of a set time and data output from the clock unit and detected temperature information of the temperature sensor. Is established,
When the control unit detects that the set time has come,
Whether the temperature control state in all of the plurality of controlled refrigerators is switched or the temperature control state is switched while leaving a specific one of the plurality of refrigerators depending on the tendency of the change in the detected temperature information of the temperature sensor. When the temperature adjustment state is switched while leaving the specific interior, the temperature adjustment state is switched while leaving the specific interior after a lapse of a specified period from the timing of switching the temperature adjustment state. Because we configured
When the control unit determines the necessity of switching between the cooling state and the heating state based on the comparison result between the data output from the clock unit and the set time and the detected temperature information of the temperature sensor, and the switching is necessary. Can be automatically switched, so that there is no need for a switching operation in which a staff member visits all vending machines one by one, and maintenance operability is improved. In addition, it is necessary to measure the outside air temperature until the set time, but after the set time, it is possible to automatically switch the cooling temperature inside the refrigerator according to the actual sales form without measuring the outside temperature . In addition, not only is it possible to switch the cold temperatures in all the compartments that are being managed at the same time, but also depending on the tendency of changes in outside air temperature that is determined at the set time, the cold temperature is switched while leaving a part of the temperature. Immediately after the set time, both hot and cold products can be sold, and even in this case, the cold / hot state is switched in the remaining refrigerator after a specified period from the time set as the set time Being very easy to maintain.

According to the second aspect of the present invention, the internal temperature switching device is not switched unconditionally at the set time, but based on the tendency of the change of the temperature information detected by the temperature sensor, specifically, when the temperature is sufficient. In the state where the temperature has not risen completely, the control unit switches the temperature adjustment state from the heating state to the cooling state after the lapse of the specified period from the set time. Can be switched between cold and hot in the refrigerator in accordance with the sales form of the above.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an internal temperature switching device of the present invention.

FIG. 2 is a flowchart of a main part of a control unit of the apparatus.

FIG. 3 is a flowchart of a cooling processing routine of FIG. 2;

FIG. 4 is a flowchart of a heating processing routine of FIG. 2;

FIG. 5 is a perspective view of another embodiment of the cold temperature display device.

FIG. 6 is a perspective view of still another embodiment of the cold temperature display device.

FIG. 7 is a vertical sectional view of the vending machine.

FIG. 8 is a horizontal sectional view of the vending machine.

FIG. 9 is a plan view of a conventional cold / hot display device.

FIG. 10 is a front view of the cold temperature display device.

[Explanation of symbols]

9 ₁ , 9 ₂ First and second sheathed heaters 14 ₁ , 14 ₂ , 14 ₃ Inside 17 ₁ , 17 ₂ Solenoid valve 18 Sample display shelf 22 A Clock section 22 B Outside temperature sensor [Temperature sensor] 23 Control section 26 ₃ , 26 ₄ third and fourth switches [display switching unit] S1 date information S2 temperature information R _1, R ₂ first, second setting time

Claims (2)

(57) [Claims] 1. A vending machine having a plurality of compartments capable of switching between a cooled state and a heated state in a cabinet for storing sales products, a clock unit having a calendar function, and a temperature sensor for measuring an outside air temperature. , provided a control unit for switching the cooling state and a heated state based on the comparison result and the detected temperature information of the temperature sensor with the data output from the clock unit and the timing setting, the control unit, the timing setting Narita
Is detected, all the temperatures in the managed multiple chambers
Switch the adjustment state or select a specific
Whether the temperature adjustment state should be switched while
Judge based on the change tendency of the detected temperature information, and
If the temperature control state is switched while leaving inside
Before the lapse of the specified period from the timing of switching the state
To switch the temperature control state while leaving the specified compartment
Internal temperature switching device configured in . 2. The interior of the warehouse for storing sales merchandise is cooled.
Vending machine with multiple compartments that can be switched to a warm state
In the clock section with a calendar function and the outside temperature
Temperature sensor to be measured, set time and output from the clock section
Of the temperature sensor
Switching between the heating state and the cooling state based on the output temperature information
A control unit, and when the set time comes, the control unit
At the time of setting based on the tendency of the change of the temperature information detected by the temperature sensor
The temperature control state will be switched after the specified period
Internal temperature switching device configured as follows.