JPH08263734A - Display lamp device installed on decoration frame of merchandise take-out port of automatic vending machine - Google Patents

Abstract

PURPOSE: To provide a display lamp device having a high illuminating effect and capable of irradiating the surfaces of display windows opened on the peripheral edge part of a merchandise take-out decoration frame with light having high luminance and uniform brightness by solving troubles in a display lamp device integrated in a merchandise take-out port decoration frame and allowed to inform the advance of merchandise vending operation. CONSTITUTION: A lamp unit 10 integrated into a decoration frame 9 for a merchandise take-out port 8 so as to be opposed to display windows 9a formed on the frame 9 is constituted of an assembled body consisting of a common box type translucent lamp cover 11 applied to respective display windows 9a, a transparent and resin-made photoconductive plate 13 stuck to the inwall face of the cover 11 so as to individually correspond to respective display windows 9a on the frame 9 and LEDs 14 loaded on a printed wiring board 15 having the right and left side faces of the plate 13 as incident faces and opposed to the incident faces. The incident faces of the plate 13 are formed as smooth faces, the surfaces of faces other than the incident faces is roughened and light emitted from the LEDs 14 is scattered to irradiate the display windows 9a with light.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended for cup-type beverage vending machines and the like, and in particular, a display lamp device incorporated in a decorative frame of a product outlet so as to inform the customer of the progress of sales operation at the time of product sales. It relates to the assembly structure.

[0002]

2. Description of the Related Art In the above-mentioned cup-type beverage vending machine, it takes several tens of seconds from the insertion of a coin to the production of a beverage cup manufactured in the machine and sent to the bend stage. So, in recent cup type drink vending machines,
LEDs facing each display window on the back side of the decorative frame so as to face a plurality of display windows that open around the decorative frame of the product outlet.
A lamp unit that uses a (light emitting diode) as a light source is incorporated, and the LEDs are controlled to blink sequentially over time from the start to the end of the sales operation, and the progress of the sales operation is shown to the customer from the transition of the lamp lighting of the display window. The display method of notifying is widely adopted.

FIG. 3 is a front view of a cup type beverage vending machine equipped with the above-mentioned display lamp device.
In the figure, 1 is a front outer door of a vending machine body, 2 is a lighting plate for displaying products to be sold, 3 is a product selection push button, 4 is a coin slot, 5 is a coin return push button, 6 is a bill slot, 7 Is a coin return port, and 8 is a product outlet. A plurality of lamp display windows 9a are opened at the upper edge of the decorative frame 9 attached to the product outlet 8, and the makeup is performed by facing the lamp display window 9a. The following lamp unit is installed in the frame.

Here, in the conventional assembly structure of the lamp unit, a common lamp cover made of a transparent resin that extends over a plurality of display windows 9a, and a projection lens on the front so as to correspond to each display window behind the common lamp cover. LEs facing each other
It is configured as an assembly including a printed wiring board and the like on which D and an LED are mounted.

[0005]

By the way, in a conventional lamp unit incorporated in a space inside a decorative frame of a product outlet that protrudes only about 5 to 10 mm from a front outer door of a vending machine, a lamp cover and an LED are used. It is difficult to secure a sufficient projection distance between them, and in an actual product, the lens of the LED is almost in contact with the inner surface of the lamp cover due to restrictions on the assembly size. For this reason, when viewed from the front of the vending machine, the light emitted from the LEDs appears as a small point light source in the display window of the decorative frame, and the entire surface in the display window has high brightness and uniform brightness. Can't illuminate.

The present invention has been made in view of the above points, and solves the above-mentioned problems with respect to a display lamp device incorporated in a product outlet decorative frame to notify the progress of a product selling operation as described above. It is an object of the present invention to provide a display lamp device having a high illumination effect that can illuminate the surface inside the display window opened at the peripheral edge of the product outlet decorative frame with high brightness and uniform brightness.

[0007]

In order to achieve the above object, according to the present invention, the rear surface side of the decorative frame is made to face a plurality of display windows that are opened side by side with the front peripheral portion of the product outlet decorative frame. In a display lamp device in which a lamp unit having an LED as a light source is incorporated, a lamp unit is installed on the back side of a decorative frame so as to straddle the respective display windows, and an inner wall surface of the lamp cover. A light guide plate made of a transparent resin closely arranged so as to individually correspond to each display window of the decorative frame, and an LED that is arranged so as to face the light entrance face with the side surface of the light guide plate as the incident face. And

Further, in the above construction, the incident surface of the light guide plate is made smooth and the surface of the remaining surface area excluding the light incident surface is roughened. Further, the LEDs are mounted on a printed wiring board and arranged so as to oppose to incident surfaces formed on opposite side surfaces (for example, left and right side surfaces, or upper and lower side surfaces) of the light guide plate. In addition, a film-like display sheet can be sandwiched between the inner wall surface of the lamp cover and the front surface of the light guide plate.

[0009]

According to the above-mentioned assembly structure of the display lamp device,
The light emitted from the LED enters the plate from the side surface of the light guide plate, then repeats diffuse reflection on the roughened surface and then emerges as scattered light from the front surface, passes through the display sheet, and is displayed on the display window of the decorative frame. Illuminate the facing lamp cover. This allows
The entire one light guide plate functions as one light source, and illuminates the display window of the decorative frame corresponding to each light guide plate with high brightness and uniform brightness. Moreover, by forming the incident surface of the light guide plate on the side surface and arranging the LEDs facing each other,
The lamp unit can be made compact and compact so that it can be installed in the space inside the product take-out decorative frame with a narrow depth dimension.

[0010]

EXAMPLE An example of the present invention will be described below with reference to FIGS.
(D), It demonstrates based on FIG. In each figure, display windows 9a are cut out at four positions along the upper edge of the decorative frame 9 provided at the product outlet 8, and the display window 9a is exposed to the back side of the decorative frame 9. The lamp unit 10 is incorporated. Here, the lamp unit 10 includes the display windows 9a.
A box-shaped lamp cover 11 made of a molded product of a transparent resin (acrylic resin) so as to straddle the same, and a film-shaped transparent display sheet 12 (on the transparent display sheet) on the inner wall surface on the front side of the lamp cover 11. Is a transparent resin that is closely arranged in a partition so as to correspond to each display window 9a individually with an arrow mark corresponding to the start and end corresponding to the progress of the sales operation, a mark such as letters are printed. Light guide plate 1
3 and each of the light guide plates 13 and three LEDs 14 facing each other on the left and right sides thereof, and a printed wiring board 15 on which the LEDs 14 are mounted.

Reference numeral 15a is a wiring socket of the printed wiring board 15 which projects into the opening 11a with an eave provided on the back surface of the lamp cover 11. Here, the left and right side surfaces of the light guide plate 13 are finished to be smooth surfaces for incidence of the light emitted from the LED 14, and the other surfaces except the incidence surface are rough so as to scatter the light, similar to frosted glass. The rear surface is covered with a printed wiring board 15 of the LED. Further, the lamp unit 10 is fixed in place by fitting the peripheral edge of the lamp cover 11 into a concave groove formed in the decorative frame 9, and the light guide plate 13 superposed with the printed wiring board 15 of the LED has a base portion thereof. A locking hole 1 formed by opening a claw 13a protruding rearward from 13a on the rear wall of the lamp cover 11.
1 plugged in and held.

When the LED 13 is energized to emit light with such a configuration, the light emitted from the LED as shown in FIG. 1D enters the plate from the left and right side surfaces of the light guide plate 13 as indicated by the arrow in the figure. Light is emitted, and diffused light is repeatedly emitted from the light guide plate 13 while repeating irregular reflection on the rough surface formed on the surface excluding the incident surface, and is transmitted through the display sheet 12 and the lamp cover 11 shown in FIG. 1C. Then, the display window 9a is illuminated. As a result, the light guide plate 13 receives the light emitted from the LED 14 for each sheet, and the entire plate emits light as one light source. When the display window 9a of the decorative frame 9 is viewed from the front, the individual display is performed. The entire window is illuminated with high brightness and uniform brightness.
Moreover, since the LEDs 14 are arranged in the remaining space between the light guide plates adjacent to each other toward the left and right side surfaces of the light guide plate 13, the lamp unit 10 has a compact and compact structure, and the depth dimension is only about 5 to 10 mm. It can be easily incorporated in the space inside the frame of the frame 9. In addition, by making the lamp cover 11 a box-shaped structure as shown in the figure, even when the vending machine is installed outdoors, the LED and the printed wiring board are protected from rainwater that enters through the gap between the decorative frame and the outer door. it can.

[0013]

As described above, according to the configuration of the present invention, a cup-type beverage vending machine or the like is implemented, so that the customer can be informed of the progress of the sales operation performed in the machine. As a display lamp device mounted on a cosmetic frame at the exit, a display lamp device having a compact structure and capable of illuminating the display window of the cosmetic frame with high brightness and uniform brightness can be provided.

[Brief description of drawings]

1A and 1B are configuration diagrams of an embodiment of the present invention, in which FIG. 1A is a front view of the entire product outlet decorative frame, and FIG. 1B is a side sectional view of the decorative frame.
(C) is an enlarged cross-sectional view taken along the line AA in FIG.
(D) is a functional explanatory view of the light guide plate in (c).

FIG. 2 is an exploded perspective view of the lamp unit in FIG.

FIG. 3 is a front view of the entire cup-type beverage vending machine to which the present invention is applied.

[Explanation of symbols]

 1 Outer door of vending machine 8 Product outlet 9 Decorative frame 9a Display window 10 Lamp unit 11 Lamp cover 12 Display sheet 13 Light guide plate 14 LED 15 Printed wiring board

Claims (4)

[Claims] 1. A display lamp device, which is provided on a product take-out decorative frame of an automatic vending machine to notify a customer of the progress of the product selling operation, and which has a plurality of openings arranged side by side on the front peripheral portion of the product take-out decorative frame. A translucent lamp in which a lamp unit having an LED as a light source is incorporated on the back side of the decorative frame facing the display window, and the lamp unit is installed on the back side of the decorative frame across the display windows. The cover, the transparent resin light guide plate closely arranged on the inner wall surface of the lamp cover so as to individually correspond to the respective display windows of the decorative frame, and the side surface of the light guide plate as the incident surface are arranged to face the incident surface. A display lamp device incorporated in a product outlet decorative frame of a vending machine, which is composed of an assembly with an LED. 2. The display lamp device according to claim 1, wherein
A display lamp device incorporated in a product outlet decorative frame of a vending machine, characterized in that the incident surface of the light guide plate is a smooth surface and the surface of the remaining surface area excluding the light incident surface is roughened. 3. The display lamp device according to claim 1, wherein
A display lamp device incorporated in a product outlet decorative frame of a vending machine, characterized in that LEDs are mounted on a printed wiring board and are arranged so as to face an incident surface formed on both opposite sides of a light guide plate. 4. The display lamp device according to claim 1,
A display lamp device equipped in a product outlet decorative frame of a vending machine, characterized in that a film-shaped display sheet is sandwiched between the inner wall surface of the lamp cover and the front surface of the light guide plate.