JPH07262439A - Automatic vending machine with power consumption calculating function - Google Patents

Abstract

PURPOSE:To provide an automatic vending machine(AVM) having a function capable of measuring the power consumption of the AVM itself without adding a new device. CONSTITUTION:The electricity conductive time of electric equipments built in the body of the AVM 15 counted by counter means #3A, #7A, #11A and an arithmetic means calculates the power consumption of the equipments from the power consumption value per unit time in respective equipments and the count values of these counter means #3A, #7A, #11A. These counter means and the arithmetic means can be attained only by changing software stored in a control means for controlling electricity conduction to the electric equipments.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vending machine having a built-in electric device with large power consumption.

[0002]

2. Description of the Related Art Inside a vending machine for canned drinks, there are provided a refrigerating room for cooling and stocking products and a warming room for warming and stocking products. As shown in FIG. 3, the refrigerating room and the warming room are temperature-controlled by using a refrigerator 1 and a heater 2 which consume a large amount of electric power. 3 ₁ is a sensor that detects the temperature inside the refrigerating compartment, and 3 ₂ is a sensor that detects the temperature inside the refrigerating compartment. In addition to this, as an electric device with relatively large power consumption, a fluorescent lamp 4 that illuminates a customer service area.
Is built into the vending machine. 3 ₃ is a sensor for measuring the illuminance at the place where the vending machine is installed.

In FIG. 3, reference numeral 5 denotes a control unit which operates the product dispensing device 6 installed in the cold storage room or the hot storage room based on the deposit information M and the product selection information S. Controls the operation by opening and closing the contacts 7 _{1 to} 7 ₃ which are respectively inserted in series in the power supply circuit of the refrigerator 1, the heater 2 and the fluorescent lamp 4 based on the signals of the sensors 3 _{1 to} 3 ₃ . .

Specifically, the portion related to the control of the contacts 7 _{1 to} 7 ₃ of the control section 5 is constructed as shown in FIG.
The control unit 5 uses # 1 from the sensor 3 ₁ to the internal temperature Tc of the refrigerator compartment.
s is read, and in # 2, the target temperature Tcr of the refrigerator compartment and # 1
The internal temperature Tcs read in step 3 is compared. If it is determined that the temperature of the refrigerating room is too high in # 2, contact point 7 is set in # 3.
Set ₁ to ON state. # If the temperature of the refrigerating chamber 2 is determined proper to turn off the contact 7 ₁ # 4.

When # 3 or # 4 is executed, then # 5
In reading the inside temperature Ths from the sensor 3 ₂ hot storage chamber,
In # 6, the target temperature Thr of the storage compartment is compared with the internal temperature Ths read in # 5. # If the temperature of the hot storage chamber is determined to too low at 6 sets the contact 7 ₂ to the ON state at # 7. # If the temperature of the hot storage chamber is determined to properly at 6 turns off the contacts 7 ₂ # 8.

When # 7 or # 8 is executed, then # 9
In reading the illuminance Ps of the external light from the sensor 3 ₃ compares the illuminance Ps of the external light which has been read in Step # 10, the lighting illuminance Pr fluorescent lamp # 9. When it is determined that the installation place is dark in # 10, the contact 7 ₃ is set to the ON state in # 11.
If it is determined that the installation location is bright in # 10, # 12
Then the contact 7 ₃ is turned off.

[0007]

Thus, the refrigerator 1,
If you have built-in electric equipment with large power consumption, such as heater 2 and fluorescent lamp 4, measure the actual power consumption during operation to reduce the electricity usage charge. Is performed to adjust the target temperature Tcr in the refrigerator compartment, the target temperature Thr in the refrigerator compartment, and the lighting illuminance Pr of the fluorescent lamp.

However, when measuring the power consumption during operation in this way, a mechanical integrating wattmeter 9 is inserted between the commercial power source 8 and the vending machine, the refrigerator 1, the heater 2, and the like.
When determining which power consumption of the fluorescent lamp 4 is large, an integrating wattmeter is inserted in each power circuit of the refrigerator 1, the heater 2, and the fluorescent lamp 4.

As a method of measuring the power consumption, in addition to the integrating wattmeter, a method of measuring the current flowing from the commercial power source to the load through a current transformer and calculating from the measured value is also considered. In such a measuring method, a new device for measurement such as an integrating wattmeter 9 or a current transformer is required, and when the number of vending machines whose power consumption has to be measured increases, In particular, there are many demands for measuring power consumption without adding a new device.

An object of the present invention is to provide an automatic vending machine having a function of measuring the power consumption of the automatic vending machine without adding a new device.

[0011]

A vending machine with a power consumption calculation function of the present invention is a vending machine that controls the operation of an output device based on deposit information, and is incorporated in the vending machine. A counter means for counting the energization time of the electric device, and a calculation means for calculating the power consumption of the electric device from the power consumption value of the electric device per unit time and the count value of the counter means. Characterize.

[0012]

According to this structure, the energizing time of the electric equipment built in the vending machine is counted by the counter means,
The calculation means calculates the power consumption of the electric equipment from the power consumption value of the electric equipment per unit time and the count value of the counter means. Such counter means and arithmetic means can be realized only by changing the software of the control unit that controls the energization of the electric device.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Here, the case of an automatic vending machine for canned beverages similar to the conventional example will be described as an example, and those having the same operations as those in FIGS. 3 and 4 will be described with the same reference numerals.

In the vending machine with the power consumption calculation function of the present invention, a part of the control unit 5 in the configuration shown in FIG.
And is configured as shown in FIG. The control unit 5 is composed of a microcomputer and a memory.

While the vending machine is in operation, the routine shown in FIG. 1 is executed, and registers R1, R2 inside the control unit 5 are executed.
Data is collected on R3. The data is collected as follows.

When it is determined in # 2 that the temperature in the refrigerating room is too high, the contact 7 ₁ is set to the ON state in # 3, and # 3 is set.
Execute A. In # 3A, change the contents of register R1 to "+
1 "and execute # 5.

[0017] When the temperature of the hot storage chamber in # 6 is judged to too low will set the contacts 7 ₂ to the ON state at # 7, #
Perform 7A. In # 7A, the contents of register R2 are set to "
+1 "and execute # 9.

When it is determined that the installation place is dark in # 10, the contact 7 ₃ is set to the ON state in # 11, and # 11A is set.
To execute. In # 11A, the content of the register R3 is "+
1 "and returns to the main routine.

In this way, every time # 3 is executed and the refrigerator 1 is operated, the content of the register R1 is increased, and whenever # 7 is executed and the heater 2 is operated, the content of the register R2 is increased. Every time # 11 is executed and the fluorescent lamp 4 is operated, the content of the register R3 increases. When a switch to the power consumption calculation mode is input to the control unit 5 from a keyboard (not shown) inside the vending machine, the control unit 5 executes the routine of FIG.

The control unit 5 includes a refrigerator 1, a heater 2 and
Power consumption w1, w2, w3 of the fluorescent lamp 4 per unit time
Is registered in advance. The unit time referred to here is the repetition time of the main routine shown in FIG.

In # 20, the count value of the register R1 is multiplied by the power consumption w1 of the refrigerator 1 per unit time to obtain the refrigerator 1.
The power consumption amount W1 during operation is calculated. In # 21, the count value of the register R2 is multiplied by the power consumption w2 of the heater 2 per unit time to calculate the power consumption W2 of the heater 2 during operation.
Is calculated. In # 22, the count value of the register R3 is multiplied by the power consumption w3 of the fluorescent lamp 4 per unit time to calculate the operating power consumption W3 of the fluorescent lamp 4. In # 23, the total power consumption (W1 + W) of the refrigerator 1, the heater 2, and the fluorescent lamp 4 is added by adding W1 to W3 calculated in # 20 to # 22.
2 + W3) is calculated and displayed.

Thus, the refrigerator 1, the heater 2, and the fluorescent lamp 4
The energization of the on - the conduction time of the contact 7 _{1-7 3} to OFF, # 3A as counter means, # 7A, increments the contents of register R1, R2, R3 at # 11A,
Since the power consumption can be calculated by # 20 to # 23 as the calculating means and the power consumption can be dealt with only by changing the software of the control unit 5, there is no need for an integrating wattmeter and a current transformer as in the past. .

In the above embodiment, the total power consumption (W1 + W2 + W3) is displayed in # 23, but W1, W2 and W3 are displayed.
Can be displayed specially. Further, the contents of the registers R1, R2 and R3 can be cleared appropriately by operating the keyboard.

[0024]

As described above, according to the present invention, an automatic vending machine which controls the operation of the output device based on the deposit information, and which controls the energization time of the electric equipment built in the vending machine. Since the counter means for counting and the calculating means for calculating the power consumption of the electric device from the power consumption value of the electric device per unit time and the count value of the counter means are provided, the counter device is built in the vending machine compartment. The energization time of the electric equipment is counted by the counter means, and the arithmetic means can calculate the power consumption of the electric equipment from the power consumption value per unit time of the electric equipment and the count value of the counter means. The means and the arithmetic means can be realized only by changing the software of the control unit that controls the energization of the electric equipment, and does not require an integrating wattmeter or a current transformer as in the conventional case.

[Brief description of drawings]

FIG. 1 is a flowchart of a main part of a vending machine with a power consumption calculation function according to the present invention.

FIG. 2 is a flowchart of a main part of the embodiment.

FIG. 3 is a configuration diagram of a conventional can drink and beverage vending machine.

FIG. 4 is a flowchart of a main part of the conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Heater 4 Fluorescent lamp 5 Control unit [counter means and calculation means] 7 _{1 to} 7 ₃ contacts

Claims (2)

[Claims] 1. A vending machine for controlling the operation of an output device based on deposit information, the counter means for counting the energization time of an electric device contained in the storage of the vending machine, and the electric device. Vending machine with a power consumption calculation function, which is provided with a power consumption value per unit time and a calculation means for calculating the power consumption of the electric device from the count value of the counter means. 2. Counter means for controlling the operation of a refrigerator for storing goods or materials used for cooking of goods at a low temperature, a heater for storing warmly, or a fluorescent lamp for illuminating a customer service area. The vending machine with a power consumption calculation function according to claim 1, which constitutes a calculation means.