JPH09245235A - Display device for automatic vending machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve visibility, to save space and to attain cost-down by rotating a rotating body in accordance with the state of a heat insulating warehouse where a detected commodity is housed, selecting one display from a plurality of displays and displaying it. SOLUTION: A change-over signal for changing-over cooling into heating by a cooling/heating change-over switch 1 is outputted to a control part 2, the control part 2 inputs a sensor signal from a sensor 7 and it is checked whether or not the temp. of the heat insulating warehouse 6 reaches the set temp. of 'HOT'. In this case, unless the temp. of the heat insulating warehouse 6 reaches the set temp. of 'HOT', a second driver 4 drives a heating part 9 so as to ascend the temp. of the heat insulating warehouse 6, the third driver 5 drives a stepping motor 10 so as to rotate a sub-pannel rotary body 11 and one display is selected from a plurality of displays so as to display 'under heating'. Therefore, visibility is improved, space is saved and cost-down is attained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for a vending machine, and more particularly to a display device for a vending machine which has improved visibility, space saving, and cost reduction.

[0002]

2. Description of the Related Art As a conventional display device for a vending machine, for example, a red display of "HOT" and a price display of the product are provided on the front surface, and a blue display of "COLD" and a price display of the product are provided on the back surface. Some use sub-panels. This vending machine display device is used for "HOT" or "COLD" of products.
The front and back of the sub-panel are used properly according to the sales state of the sub-panel, and inserted under the sample product on the back side of the transparent panel so that the user can recognize "HOT" and "COLD". In this vending machine display device, the sales state of the product is changed from "HOT" to "COL" at a seasonal change or the like.
You can switch to "D" or "COLD" to "HOT". At that time, open the door of the vending machine, pull out the sub-panel from the back side of the transparent panel, reverse the front and back,
The display is changed by inserting it on the back side of the transparent panel and closing the door again.

On the other hand, as a conventional display device for a vending machine which displays the sales state of products, for example, Japanese Patent Application No. 5-2581.
There is one disclosed in Japanese Patent Publication No. 65. According to this vending machine display device, when the product is being cooled or heated, the display unit having the electro-optical conversion element is driven to display the state, and the sale of the product is prohibited if necessary. I have to.

[0004]

However, according to the conventional display device for a vending machine, since the display portion having the electro-optical conversion element indicates during cooling or heating, it is compared with the color sub-panel. Then, the visibility is poor (remarkably deteriorates in outdoor use), a display space other than the sub-panel is required, the cost is higher than that of the sub-panel, and the durability is deteriorated due to a ball break or the like.

In particular, considering the combined use with the sub-panel, when "warming" or "cooling" is displayed on the display while the display of the sub-panel remains "HOT" or "COLD", There is confusion in the recognition of the sales state of.
Therefore, an object of the present invention is to provide a display device for a vending machine, which has improved visibility, space saving, and cost reduction.

Another object of the present invention is to provide a display device for a vending machine which has high durability and does not cause confusion in recognizing the sales state of products.

[0007]

In order to achieve the above-mentioned object, the present invention has a detecting means for detecting the state of a heat-retaining box for storing products and "cooling", "COLD", "heating". ，
Rotating body having a plurality of indications such as "HOT" and the control means for rotating the rotating body according to the state detected by the detecting means and selecting and displaying one of the plurality of indications. There is provided a display device for a vending machine, which comprises:

[0008]

1 shows a display device for a vending machine according to an embodiment of the present invention, which outputs a switching signal for switching a product from cooling to heating or from heating to cooling. A changeover switch 1, a control unit 2 for inputting a changeover signal and a sensor signal described later and outputting a control signal, and first to third drivers 3, 4, 5 for inputting a control signal and outputting a drive signal. In accordance with the drive signal from the first heat-retaining box 6, the heat-retaining box 6 that stores the product and keeps it at a predetermined temperature, the sensor 7 that detects the temperature of the heat-retaining box 6 and outputs the above-mentioned sensor signal to the control unit 2. A cooling unit 8 that cools the warm storage 6, a warming unit 9 that heats the warm storage 6 by a drive signal from the second driver 4, and a third driver 5.
The stepping motor 10 that rotates by a predetermined angle according to the drive signal from the display, and one of "warming", "HOT and price", "cooling", and "COLD and price" are displayed by the rotation of the stepping motor 10. It has a sub-panel rotating body 11.

The operation of the above configuration will be described. (B) Flowchart of FIG. 2 When the cooling / heating switch 1 outputs a switching signal for switching from cooling to heating to the control unit 2, the control unit 2 inputs the sensor signal from the sensor 7 and the temperature of the heat storage box 6 is changed. "HO
Check whether the set temperature of "T" has been reached.
At this time, if the temperature of the heat retaining cabinet 6 has not reached the set temperature of "HOT", the second driver 4 drives the heating unit 9 to raise the temperature of the heat retaining cabinet 6 and the third driver The stepping motor 10 is driven by 5 to cause the sub-panel rotating body 11 to display “Warming”.

In FIG. 3, the sub-panel rotating body 11 is "under heating".
Shows a vending machine displaying. Here, 10 is a stepping motor, and a sample product 20 and a selection button 30 for selecting a product are provided above and below the sub-panel rotating body 11. Next, when the temperature of the heat-retaining box 6 reaches the set temperature of "HOT", the second driver 4 stops driving the heating unit 9, and the third driver 5 drives the stepping motor 10 to rotate the sub-panel. "HOT
And price ”are displayed.

In FIG. 4, the sub-panel rotating body 11 has a "HOT"
And 110 yen "are displayed. Since other reference numerals are common, the description is omitted. (B) Flowchart of FIG. 5 When the cooling / heating switch 1 outputs a switching signal for switching from heating to cooling to the control unit 2, the control unit 2 inputs the sensor signal from the sensor 7 and the temperature of the heat storage box 6 is changed. "CO
Check if the set temperature of "LD" has been reached. At this time, if the temperature of the heat retaining cabinet 6 has not reached the set temperature of "COLD", the cooling unit 8 is driven by the first driver 3 to lower the temperature of the heat retaining cabinet 6 and the third driver 5 is used. Drive the stepping motor 10,
The sub-panel rotating body 11 displays "cooling".

In FIG. 6, the sub-panel rotating body 11 is "cooling".
Shows a vending machine displaying. Here, 10 is a stepping motor, and a sample product 20 and a selection button 30 for selecting a product are provided above and below the sub-panel rotating body 11. Next, the temperature of the heat insulation box 6 is "COLD".
When the temperature reaches the set temperature of, the first driver 3 stops driving the cooling unit 8, causes the third driver 5 to drive the stepping motor 10, and causes the sub-panel rotating body 11 to display “CO”.
LD and price ”is displayed.

In FIG. 7, the sub-panel rotating body 11 has a "COL
Shows a vending machine displaying "D and 110 yen".
Since other reference numerals are common, the description is omitted. In the above embodiments, the sub-panel rotating body 11 is a cylindrical body, but the present invention is not limited to this, and may be a quadrangular prism or the like, or four panels may be combined to form a rotating body. . It goes without saying that the display of "cooling", "COLD", "heating", and "HOT" can be changed to other displays having the same meaning. Furthermore, the display is
It may be a combination of "COLD" and "HOT", or another combination, and a plurality of "COLD" and a plurality of "HOT" may be displayed in one vending machine. .

[0014]

As described above, according to the display device for a vending machine of the present invention, "cooling" and "COL" of a product are performed.
"D", "Warming", "HOT", etc. are displayed by rotating the rotating body, which improves visibility and durability, saves space and costs, and confuses state recognition. There is also nothing to do.

[Brief description of drawings]

FIG. 1 is a block diagram showing a display device for a vending machine according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the first operation of FIG.

FIG. 3 is an explanatory diagram showing a display of a sub panel in the first operation of FIG.

FIG. 4 is an explanatory diagram showing a display of a sub panel in the first operation of FIG.

5 is a flowchart showing the second operation of FIG.

FIG. 6 is an explanatory diagram showing a display of a sub panel in the second operation of FIG.

FIG. 7 is an explanatory diagram showing a display on a sub-panel in the second operation of FIG.

[Explanation of symbols]

 1 Cooling / heating switch 2 Control parts 3 to 5 3rd to 3rd drivers 6 Insulation box 7 Temperature sensor 8 Cooling part 9 Heating part 10 Stepping motor 11 Sub-panel rotating body 20 Sample product 30 Selection button

Claims (2)

[Claims] 1. A detection means for detecting the state of a heat-retaining box for storing products, and a rotating body having a plurality of displays indicating "cooling", "COLD", "heating", "HOT", and the like. The display device for a vending machine, which has a control unit that rotates the rotating body and selects and displays one display from the plurality of displays according to the state detected by the detection unit. 2. The switching means for generating a switching signal for switching the warming box from cooling to warming or switching from warming to cooling, and the detecting means detects the temperature of the warming box to detect the temperature. The vending machine display device according to claim 1, further comprising: a temperature sensor that outputs a signal; and a determination unit that determines the state of the warming box based on the switching signal and the temperature signal.