WO2017169734A1

WO2017169734A1 - Display device for vending machine

Info

Publication number: WO2017169734A1
Application number: PCT/JP2017/010164
Authority: WO
Inventors: 加藤　謙治; 健太郎利根
Original assignee: 株式会社光波
Priority date: 2016-03-28
Filing date: 2017-03-14
Publication date: 2017-10-05
Also published as: JP2017182205A; JP6551939B2

Abstract

Provided is a display device for a vending machine capable of displaying various information on a display surface without using a display that can display discrete information and achieving an improvement in visibility. A price display device 100 comprises: a first display unit 200 that includes a light guide plate 230 having a first emission pattern 240 formed on a second principal surface 232, and a first light-emitting element 250 introducing light from a reflection surface 233 of the light guide plate 230 and outputting the light forward from the first emission pattern 240 to thus display the first emission pattern 240; and a second display unit 300 disposed behind the light guide plate 230 and displaying a second emission pattern 340 through the light guide plate 230. The first and second display units 200, 300 are configured such that the region where the first emission pattern 240 is formed and the region where the second emission pattern 340 is formed overlap each other as seen from the front.

Description

Vending machine display

The present invention relates to a display device for a vending machine.

Conventionally, as a display device for a vending machine, an amount including a 7-segment display unit with variable display contents such as a monetary amount and a plurality of message display units with fixed display contents such as “on sale” and “fishing out” A display device has been proposed (see, for example, Patent Document 1).

This money amount display device has a substantially box-shaped device body, and is provided with a 7-segment display portion and a plurality of message display portions in different areas on the front display surface of the device body.

JP 2006-119357 A

In the conventional monetary amount display device, each display unit is provided in a different area on the display surface. Therefore, the area that can be occupied by one display content is reduced due to the size limitation of the monetary amount display device, and visibility is reduced. There is a problem that decreases.

Accordingly, an object of the present invention is to provide a vending machine capable of displaying a large amount of information on the display surface without using a display capable of displaying arbitrary information and improving the visibility. It is to provide a display device.

[1] A light guide plate having a first light emission pattern formed on the main surface, and a first light that enters light from an end of the light guide plate and emits the light forward from the first light emission pattern. A first display unit having a light emitting element; and a second display unit that is disposed on the back side of the light guide plate and displays light from the second light emission pattern through the light guide plate. The first and second display units are for vending machines configured so that a region where the first light emission pattern is formed and a region of the second light emission pattern overlap in front view. Display device.
[2] The second display unit includes a film in which a light transmission part is formed corresponding to the second light emission pattern, and second light emission in which light transmitted through the light transmission part is incident on the film. The vending machine display device according to [1], comprising an element.

FIG. 1 is a front view showing a schematic configuration example of a vending machine according to the first embodiment of the present invention. FIG. 2A is a front view showing a display example of the money amount display device. FIG. 2B is a front view showing a display example of the money amount display device. FIG. 3 is a cross-sectional view showing the internal structure of the money amount display device. FIG. 4 is an exploded perspective view of components of the money amount display device. FIG. 5 is an essential part enlarged cross-sectional view showing an example of the operation of the money amount display device.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, in each figure, about the component which has the substantially same function, the same code | symbol is attached | subjected and the duplicate description is abbreviate | omitted. In the following embodiments, a monetary amount display device will be described as an example of a vending machine display device.

FIG. 1 is a front view showing a schematic configuration example of a vending machine according to an embodiment of the present invention.

As shown in FIG. 1, the vending machine 1 sells various beverages, for example, and includes a vending machine body 2 formed of a rectangular parallelepiped casing that is long in the vertical direction, and the vending machine 1 And a main control unit (not shown) for controlling.

The vending machine main body 2 includes a box body 2a that opens forward and a door body 2b that opens and closes an opening in front of the box body 2a. The upper front portion of the door body 2b includes a front panel 3. The front panel 3 is made of a resin material such as a transparent acrylic plate, for example. Here, the front side means the front side in the vending machine 1. The back side means the surface side opposite to the front side.

A bill inlet / outlet 4 for inserting / discharging banknotes, a coin slot 5 for inserting coins, and a return lever 6 for returning banknotes or coins are provided at the lower front portion of the door body 2b.

In the lower front portion of the door body 2b, further, a change amount display device 100 that displays a change of money display, an inserted bill or an amount of inserted coins, a change return port 8 for returning change, and a product for taking out a product. An outlet 9 and a door lock 10 that locks the opening and closing of the door body 2b are provided. In FIG. 1,

reference numerals

11 and 12 denote an advertisement space and a cool / warm display unit, respectively.

On the back side of the front panel 3, a back panel 13 made of a metal plate is disposed. A space formed between the front panel 3 and the back panel 13 is a product sample display room. In the product sample display room, product sample display stands 14 having display casings opened on the lower side and the front side are installed in three stages: an upper stage, a middle stage, and a lower stage.

On the product sample display stand 14, a plurality (30 in the present embodiment) of product samples 15 that are articles for display are displayed in three stages. Corresponding to the product sample 15, a selection switch device 20 having a plurality of (in this embodiment, 10) selection buttons is arranged in each of the upper, middle, and lower stages. Each selection switch device 20 is attached to the front side of the front panel 3.

The main control unit controls the selection switch device 20, the price display device 100, and the like, and performs sales control of the product.

(Configuration of the amount display device)
2A and 2B are front views showing different display examples of the money amount display device 100. FIG. FIG. 3 is a cross-sectional view showing the internal structure of the money amount display device 100. FIG. 4 is an exploded perspective view of the components of the money amount display device 100.

The money amount display device 100 has a two-layer structure of a first display unit 200 and a second display unit 300 disposed on the back side of the first display unit 200, and the first and

second display units

200 and 300 are sandwiched between a holding case 110 and a lens 130 to form a unit. Reference numeral 140 in FIGS. 3 and 4 is a packing for providing a waterproof function by being interposed between the rear surface of the door 2b and the lens 130 when the money amount display device 100 is attached to the door 2b.

The first display unit 200 includes a plurality of (for example, three) first light emitting elements 250 mounted on the substrate 310, a collimator lens 220, a light guide plate 230, and end portions in the longitudinal direction of the light guide plate 230. First and second

light shielding plates

261 and 262 covering the reflection surface 233 and the end surface 234 are provided.

The second display unit 300 includes a substrate 310, a plurality of second light emitting elements 350 mounted on the substrate 310, a reflect case 320, a light transmitting portion 331 that transmits light, and a light blocking portion that blocks light. And a printing sheet 330 having 332.

Next, details of the components of the first and

second display units

200 and 300 will be described.

For the first and second

light emitting elements

250 and 350, for example, light emitting diodes are used. Note that the first and second light-

emitting elements

250 and 350 are not limited to light-emitting diodes, and organic EL (Electro-Luminescence) elements, inorganic EL elements, and the like may be used.

(Configuration of light guide plate)
The light guide plate 230 includes a first main surface 231 provided on the light emitting side, a second main surface 232 provided on the side opposite to the light emitting side, and the first and second

main surfaces

231 and 232. It has a substantially rectangular parallelepiped shape including a reflecting surface 233 inclined at 45 °, an end surface 234 provided on the opposite side of the reflecting surface 233, and a pair of

side surfaces

235 and 236 provided in the width direction. The reflection surface 233 is an example of an end portion on which light is incident. The light guide plate 230 has a first emission pattern 240 formed on the second main surface 232. The light guide plate 230 is made of, for example, a resin, a glass material, or the like.

The first emission pattern 240 is reflected by the reflection surface 233, is totally reflected by the first and second

main surfaces

231 and 232, and scatters the incident light, and the scattered light is externally transmitted from the first main surface 231. The second main surface 232 is formed with a concavo-convex process so that the light is emitted from the second main surface 232. In the first emission pattern 240, for example, a message such as “On sale” is represented by uneven processing. Note that what the first emission pattern 240 displays is not limited to a message, and may be a figure, a symbol, or the like.

The first emission pattern 240 may be formed only on the first main surface 231 or may be formed on both the first and second

main surfaces

231 and 232.

The collimator lens 220 is provided between the three first light emitting elements 250 and the light guide plate 230, has a substantially plate shape, and shapes the light emitted from the three first light emitting elements 250 into parallel light. The light is incident on the reflection surface 233 of the light guide plate 230. Accordingly, light efficiently enters the reflective surface 233 of the light guide plate 230 from the first light emitting element 250.

The first and second

light shielding plates

261 and 262 are provided on the reflection surface 233 and the end surface 234, respectively, and prevent light from leaking from the vicinity of the reflection surface 233 and the end surface 234, respectively.

The lens 130 has a convex part 131 that is a substantially rectangular parallelepiped display surface and a step part 132 formed on the outer periphery of the convex part 131. The width and height of the stepped portion 132 are made substantially equal to the width and thickness of the packing 140 to enhance the waterproof function of the packing 140.

The printing sheet 330 has a light transmitting portion 331 corresponding to the shape of the second emission pattern 340 and a light shielding portion 332 that shields incident light in other portions. The light shielding unit 332 is formed of black ink on the print sheet 330, for example.

The second emission pattern 340 includes a 7-segment LED light emitting unit 341, a unit symbol display unit 342, a bill cancellation display unit 343, a change-out display unit 344, a 100-yen out display unit 345, and a 10-yen out display unit 346. .

The first and

second display units

200 and 300 are configured such that a region where the first emission pattern 240 is formed overlaps a region where the second emission pattern 340 is formed in a front view. . Thereby, even if it does not use the display which can display arbitrary information, much information can be displayed on a display surface, and the improvement of visibility can be aimed at.

7 segment LED light emission part 341 displays a commodity price etc. with a 5-digit number by five segment display and four decimal point displays, for example. The unit symbol display unit 342 is combined with the 7-segment LED light emitting unit 341, for example, and the temperature of various beverage storage units (not shown) arranged inside the box 2a, and various beverages are extracted from the product outlet 9. Displays the time to enter or the input amount. The bill cancellation display unit 343 displays, for example, a “Bill Cancel” message when the vending machine 1 cancels the handling of banknotes. The change-out display unit 344, the 100-yen-out display unit 345, and the 10-yen-out display unit 346 are used, for example, in combination with these display units when a change in the vending machine 1 occurs. Display the “fishing out” message.

The reflective case 320 includes a 7-segment LED light-emitting unit 341, a unit symbol display unit 342, a bill cancellation display unit 343, a change-out display unit 344, a 100-yen display unit 345, and a 10-yen piece formed on the print sheet 330. A plurality of openings 321 corresponding to the display portion 346 are formed. The side surfaces of the plurality of openings 321 of the reflect case 320 are preferably formed to be inclined so as to reflect the emitted light from the second light emitting element 350 to the surface side of the reflect case 320.

In the reflect case 320, grooves 322 are formed in the vicinity of a plurality of openings 321 corresponding to the 7-segment LED light emitting part 341 and the unit symbol display part 342 formed on the printing sheet 330. The groove 322 has an opening to which the diffusion sheet 120 is fitted. The diffusion sheet 120 may be attached in the vicinity of a plurality of openings 321 corresponding to the 7-segment LED light emitting unit 341 and the unit symbol display unit 342 formed on the printing sheet 330.

The holding case 110 has a plurality of protrusions 113 at both ends in the longitudinal direction. The reflect case 320 has a plurality of fitting portions 323 corresponding to the plurality of protrusions 113 of the holding case 110.

The substrate 310 is sandwiched between the reflective case 320 and the holding case 110 when the protrusion 113 of the holding case 110 and the fitting portion 323 of the reflective case 320 are fitted.

The substrate 310 is mounted with one or a plurality of second light emitting elements 350 corresponding to the plurality of openings 321 formed in the reflect case 320, respectively. The substrate 310 is provided with a circuit pattern that is electrically connected to the surface, and the first and second

light emitting elements

250 and 350, electronic components such as a chip resistor, and the like are connected to the circuit pattern.

A white layer (not shown) as a reflective surface by white printing, painting, or sticking of a sheet is formed on the inner peripheral surface of the opening 321 around the plurality of second light emitting elements 350 and the surface of the substrate 310. Each may be provided.

(Operation of the amount display device)
Next, an example of the operation of the money amount display apparatus 100 will be described with reference to FIG. FIG. 5 is an enlarged cross-sectional view of a main part for explaining an example of the operation of the money amount display device 100.

(1) When displaying the first emission pattern The first emission pattern 240 is displayed, for example, when the vending machine 1 is not operated from the outside and is on standby for sale.

When a predetermined voltage is applied to the three first light emitting elements 250 from an external power supply unit (not shown) under the control of the main control unit, the three first light emitting elements 250 emit light. Light emitted from the three first light emitting elements 250 is incident on the collimator lens 220, shaped into parallel light, and incident on the reflection surface 233 of the light guide plate 230. Incident light that has entered the reflecting surface 233 is reflected by the reflecting surface 233, propagates in the direction of the end surface 234 while being totally reflected by the first and second

main surfaces

231, 232, and the second main surface of the light guide plate 230. Light is propagated to the first emission pattern 240 formed on 232, and part of the light is emitted from the first main surface 231 to the outside by changing the reflection angle (scattering) by the first emission pattern 240. As a result, as shown in FIG. 2A, a message such as “on sale” corresponding to the first emission pattern 240 is displayed on the money amount display device 100.

(2) When displaying the second emission pattern The second emission pattern 340 is displayed, for example, when cash is inserted into the vending machine 1. Hereinafter, the operation when cash is inserted into the vending machine 1 will be described. First, cash is inserted into the bill slot 4 or the coin slot 5.

Next, under the control of the main control unit, a predetermined voltage is supplied from an external power supply unit (not shown) to the plurality of second light emitting elements 350 corresponding to the segment display and unit symbol display corresponding to the amount of cash inserted. Is selectively applied, light is emitted from the plurality of second light emitting elements 350 to which a predetermined voltage is applied. A part of the light emitted from the plurality of second light emitting elements 350 passes through the opening 321 of the reflect case 320 and directly enters the print sheet 330, and a part of the light is emitted from the opening 321 from which light is emitted. The light enters the print sheet 330 after being reflected by the inner wall surface.

A part of the light incident on the printing sheet 330 is transmitted through the light transmitting portion 331 of the printing sheet 330. The light transmitted through the light transmitting portion 331 is emitted from the first main surface 231 through the light guide plate 230 to the outside. At this time, a part of the light is scattered by the first emission pattern 240 formed on the second main surface 232 of the light guide plate 230 and is emitted from the first main surface 231 to change the angle. Thereby, as shown in FIG. 2B, the second emission pattern 340, for example, the amount of money, etc. is displayed on the amount display device 100.

(Effect of this embodiment)
According to the present embodiment, the following effects can be obtained.
(1) Since the first display unit 200 and the second display unit 300 have a two-layer structure, a large amount of information can be displayed on the display surface by switching a plurality of emission patterns.

(2) By switching and displaying a plurality of emission patterns in the same display area, it is possible to increase the number, characters, symbols, etc. to be displayed, and to improve visibility.

[Modification]
The embodiments of the present invention are not limited to the above-described embodiments, and various modifications and implementations are possible without departing from the scope of the present invention.

(Modification 1)
For example, the shape of the light guide plate 230 is a rectangular parallelepiped, the reflecting surface 233 is an end surface orthogonal to the first and second

main surfaces

231, 232, and light is incident from the end surface toward the other end surface 234. Also good. In this case, light may also enter from the other end surface 234. Alternatively, the other end surface 234 may be a reflecting surface inclined at 45 °, and light may be incident on both reflecting surfaces. By making light incident from both end faces or both reflecting faces, even when the light guide plate is long in the longitudinal direction, the light spreads widely in the light guide plate, and uneven emission can be suppressed over the entire surface.

(Modification 2)
Instead of the second display unit 300, for example, a liquid crystal display, an EL display, a VFD (Vacuum Fluorescent Display), or the like may be used.

(Modification 3)
A plurality of light guide plates on which different light emission patterns are formed may be stacked as the first display unit. Thereby, more information can be displayed.

(Modification 4)
Instead of the second display unit 300, the first display unit 200 may be used.

The present invention can be applied to display devices for vending machines such as a price display device and a message display device.

DESCRIPTION OF SYMBOLS 1 ... Vending machine, 2 ... Vending machine main body, 2a ... Box body, 2b ... Door body, 3 ... Front panel, 4 ... Banknote inlet / outlet, 5 ... Coin slot, 6 ... Return lever, 8 ... Change return port, DESCRIPTION OF SYMBOLS 9 ... Product outlet, 10 ... Door lock, 11 ... Advertising space, 12 ... Cold temperature display part, 13 ... Back panel, 14 ... Product sample display stand, 15 ... Product sample, 20 ... Selection switch apparatus, 23 ... Selection button DESCRIPTION OF SYMBOLS 100 ... Money amount display apparatus, 110 ... Holding case, 113 ... Projection part, 120 ... Diffusion sheet, 130 ... Lens, 131 ... Convex part, 132 ... Step part, 140 ... Packing, 200 ... First display part, 220 ... Collimate Lens, 230 ... Light guide plate, 231 ... First main surface, 232 ... Second main surface, 233 ... Reflecting surface, 234 ... End surface, 235 ... Side surface, 236 ... Side surface, 240 ... First emission pattern, 250 ... First light emitting element 26 ... 1st light shielding plate, 262 ... 2nd light shielding plate, 300 ... 2nd display part, 310 ... Board | substrate, 320 ... Reflect case, 321 ... Opening part, 322 ... Groove, 323 ... Fitting part, 330 ... Printing Sheet, 331 ... Translucent part, 332 ... Light shielding part, 340 ... Second emission pattern, 341 ... 7-segment LED light emitting part, 342 ... Unit symbol display part, 343 ... Bill stop display part, 344 ... Out of change display part, 345... 100 yen display part, 346... 10 yen display part, 350.

Claims

A light guide plate having a first light emission pattern formed on the main surface, and a first light that is incident from an end of the light guide plate and emits the light forward from the first light emission pattern for display. A light emitting element;
A first display unit having:
A second display unit that is disposed on the back side of the light guide plate and displays light from the second light output pattern through the light guide plate,
The first and second display units are vending machine displays configured so that, in a front view, an area where the first light emission pattern is formed overlaps an area of the second light emission pattern. apparatus.
The second display unit includes a film in which a light transmission part is formed corresponding to the second light emission pattern, a second light emitting element that makes light transmitted through the light transmission part incident on the film, The display device for a vending machine according to claim 1, comprising: