JP2000193294A - Light receiving panel device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the manufacturing cost of a light receiving panel device by reducing the number of components. SOLUTION: A light receiving panel device 2 is constituted in such a way that a panel 4 with light receiving window is put in the opening 3 of an enclosure 1 and a receiver 13 is attached to a substrate 12 arranged in the rear of the panel 4 so that the receiver 13 may receive infrared signals emitted from a transmitter through the light receiving window. The panel 4 has a light- transmissive panel main body 4A which is put in the opening 3 and a light- transmissive film 4b stuck to the surface of the main body 4A. On the rear surface of the film 4B, in addition, a light shielding mask which covers the film 4B except the light receiving window and an infrared-ray transmitting film which covers the light receiving window are printed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a light receiving panel device provided in, for example, an indoor unit of an air conditioner.

[0002]

2. Description of the Related Art FIG. 5 shows an indoor unit of an air conditioner. In this embodiment, a light-receiving panel device 2 for remote control is provided at a lower portion of the front surface of a housing 1 provided with an air inlet 1a and a blower opening 1b. Panel 4 fitted in
The panel 4 is provided with a light receiving window 5 and a plurality of light emitting windows 6 to 8.

Conventionally, the structure of the panel 4 is disclosed in
An example thereof is described with reference to FIG. 6. Referring to FIG. 6, a light-receiving window 5 and light-emitting windows 6 to 8 are provided through a panel 4 made of a non-translucent synthetic resin material. An infrared transmissive plate 10 is fitted in the window 5 and a light transmissive plate 11 is fitted in each of the light emitting windows 6 to 8. The printed circuit board 12 disposed behind the panel 4
In addition, a receiver 13 facing the light receiving window 5 and a plurality of light emitting diodes (light emitting devices) 14 facing the light emitting windows 6 to 8 are arranged.

In the above-described configuration, when the remote control transmitter 15 (see FIG. 5) is operated in a state facing the panel 4, an infrared signal projected from the transmitter 15 transmits the infrared signal through the infrared transmission plate 10 of the light receiving window 5. Transmitter and receiver 1
3, and various operations such as operation, hot start, and timer are performed by the control unit based on the received signal.
The state of the operation is confirmed by the light emission of each light emitting diode 14 through the light transmitting plate 11 of each of the light emitting windows 6 to 8.

[0005]

In the above-mentioned conventional configuration,
A light-receiving window 5 and light-emitting windows 6 to 8 penetrate the panel 4, and an infrared-transparent plate 10 is fitted into the light-receiving window, and a light-transmitting plate 11 is fitted into each of the light-emitting windows 6 to 8. The number of parts is large and the production cost is high.

An object of the present invention is to provide a light receiving panel device having a small number of components and a low manufacturing cost in view of the above-mentioned conventional disadvantages.

[0007]

To achieve the above object, according to the first aspect of the present invention, a panel with a light receiving window is fitted into an opening of a housing, and a receiver is mounted on a substrate disposed behind the panel. A light-receiving panel device mounted and adapted to receive an infrared signal projected from a transmitter by a receiver through the light-receiving window, wherein the panel has a light-transmitting panel body fitted into the opening, and the panel body. A light-transmitting film adhered to the surface of the film, a light-shielding mask covering portions other than the light-receiving window, and an infrared-transmitting film covering the light-receiving window are provided on the back surface of the film or the surface of the panel body. It is characterized by having.

According to the above construction, the panel is composed of the light-transmitting panel main body and the inexpensive light-transmitting film, so that the number of parts is smaller and the manufacturing cost can be reduced as compared with the conventional case. Further, since the light-shielding mask covering the portion other than the light-receiving window and the infrared-transmitting film covering the light-receiving window are sandwiched between the light-transmitting panel body and the light-transmitting film, they can be protected from being damaged. .

According to a second aspect of the present invention, in the first aspect, a light emitting device is attached to the substrate, and a light emitting window is formed by removing a light emitting device facing portion of the light shielding mask. And

According to the above configuration, the light-receiving window and the light-emitting window can be formed simultaneously by the light-shielding mask, and the number of components does not increase, so that the manufacturing cost can be reduced.

According to a third aspect of the present invention, in the second aspect of the invention, the light emitting window is covered with a light transmitting film having a predetermined color.

According to the above configuration, the light emitting window can emit light in a predetermined color according to the color of the light transmitting film.

According to a fourth aspect of the present invention, in the third aspect, a plurality of the light emitting windows are provided, and each of the light emitting windows is covered with a light transmitting film having a different color. I have.

According to the above configuration, the light emitting windows emit light of different colors depending on the color of the light transmitting film. For example, a white light type light emitting device is used as the plurality of light emitting devices facing each light emitting window. Only one type may be used, and the manufacturing cost can be reduced.

The invention according to claim 5 is the invention according to claim 3 or 4.
In the invention described above, the light-shielding mask, the infrared transmitting film, and the light transmitting film are formed by printing.

According to the above configuration, the light-shielding mask, the infrared transmitting film, and the light transmitting film can be formed inexpensively and efficiently by printing.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects of the present invention, the casing is a casing for an indoor unit of an air conditioner.

According to the above configuration, it is possible to provide an inexpensive indoor unit of an air conditioner having a small number of parts.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a main part of an indoor unit of an air conditioner provided with a light receiving panel device 2 according to an embodiment of the present invention.
And a film 4B bonded to the surface of the panel body 4A. The same components as those shown in FIGS. 5 and 6 are denoted by the same reference numerals except for those described above, and description thereof will be omitted.

The panel main body 4A is made of a transparent or translucent translucent hard synthetic resin material, has a substantially rectangular shape when viewed from the front, and has an engagement piece 16 protruding from four corners of the rear surface thereof. It is detachably attached to the housing 1 by engaging with the peripheral edge.

The film 4B is made of a transparent or translucent light-transmitting soft synthetic resin material, has substantially the same shape as the panel body 4A, and has a back surface printed with "operation", "hot start" and "timer". A light-shielding mask 18 for forming a light-receiving window 5 and a plurality of (three in this embodiment) light-emitting windows 6 to 8;
9 and a light-transmitting film 2 covering the light-emitting windows 6 to 8 and having different colors (eg, green, red, orange, etc.).
0 is printed, and an adhesive layer 21 is formed on the back side of the print.

The procedure for manufacturing the panel 4 will be described with reference to FIG.
As shown in (a), a printing unit 17 is provided on the back surface of the film 4B.
Is printed, and as shown in FIG.
A light-shielding mask 18 is printed on the back surface of FIG.
As shown in FIG. 5, an infrared transmitting film 19 is printed on the light receiving window 5 formed by the light shielding mask 18, and each of the light emitting windows 6 to 6 is printed.
8, a light transmitting film 20 is printed, and an adhesive layer 21 is formed on the back side of the printing. Next, the film 4B may be bonded to the surface of the panel body 4A (see FIGS. 1 and 2).

According to the above configuration, the panel 4 is composed of the translucent panel main body 4A and the inexpensive translucent film 4B, so that the number of components is smaller than in the conventional case, and the manufacturing cost can be reduced. Further, since the light-shielding mask 18, the infrared transmitting film 19 and the light transmitting portion 20 are sandwiched between the light transmitting panel body 4A and the light transmitting film 4B, they can be protected from being damaged.

Further, the light-receiving window 5 and the light-emitting windows 6 to 8 can be formed simultaneously by the light-shielding mask 18, so that the number of components does not increase, so that the manufacturing cost can be reduced. Moreover, the light shielding mask 18 and the infrared transmitting film 19
In addition, the light transmitting film 20 can be formed inexpensively and efficiently by printing.

Further, since the light emitting windows 6 to 8 emit light in different colors depending on the color of the light transmitting film 20, for example, a plurality of light emitting diodes 14 facing the light emitting windows 6 to 8 are used, for example, white light. One color light emitting diode 14
It is only necessary to use the type, and the production cost can be reduced.

In the above embodiment, the printing unit 17, the light shielding mask 18, the infrared transmitting film 19, and the light transmitting film 20 are printed on the back surface of the film 4B.
May be printed on the surface.

Although the description has been made by taking an indoor unit of an air conditioner as an example, the present invention is not limited to this. For example, the invention can be applied to a magnetic tape device or the like.

[0028]

According to the first aspect of the present invention, the panel comprises a light-transmitting panel main body and an inexpensive light-transmitting film,
The number of parts is smaller than before, and the manufacturing cost can be reduced. Further, since the light-shielding mask covering the portion other than the light-receiving window and the infrared-transmitting film covering the light-receiving window are sandwiched between the light-transmitting panel body and the light-transmitting film, they can be protected from being damaged. .

According to the second aspect of the present invention, the light receiving window and the light emitting window can be simultaneously formed by the light shielding mask,
As a result, the number of parts does not increase, and the manufacturing cost can be reduced.

According to the third aspect of the present invention, the light emitting window can emit light of a predetermined color according to the color of the light transmitting film.

According to the fourth aspect of the present invention, the light emitting windows emit light of different colors depending on the color of the light transmitting film. You only need to use one type of light emitter,
Production costs can be reduced.

According to the fifth aspect of the present invention, the light-shielding mask, the infrared transmitting film, and the light transmitting film can be efficiently formed at low cost by printing.

According to the sixth aspect of the present invention, it is possible to provide an inexpensive indoor unit of an air conditioner having a small number of parts.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a main part of an indoor unit of an air conditioner provided with a light receiving panel device according to an embodiment of the present invention.

FIG. 2 is an enlarged vertical sectional view of the main part.

FIG. 3 is an exploded perspective view of the main part.

FIGS. 4A to 4C are perspective views showing a procedure for manufacturing a translucent film.

FIG. 5 is a perspective view showing an indoor unit of the air conditioner.

FIG. 6 is a longitudinal sectional view of the main part.

[Explanation of symbols]

 Reference Signs List 1 housing 2 light receiving panel device 3 opening 4 panel 4A translucent panel main body 4B translucent film 5 light receiving window 6-8 light emitting window 13 receiver 14 light emitting diode (light emitting device) 15 transmitter 17 printing unit 18 light shielding mask 19 infrared transmitting film 20 light transmitting film 21 adhesive layer

Claims (6)

[Claims] 1. A panel with a light receiving window is fitted into an opening of a housing, and a receiver is mounted on a substrate disposed behind the panel, and an infrared signal emitted from a transmitter is passed through the light receiving window through the light receiving window. Wherein the panel has a translucent panel main body fitted into the opening, and a translucent film adhered to a surface of the panel main body, and a back surface of the film. Alternatively, a light-shielding mask that covers a portion other than the light-receiving window and an infrared transmitting film that covers the light-receiving window are provided on a surface of the panel main body. 2. The light-receiving panel device according to claim 1, wherein a light-emitting device is attached to the substrate, and a light-emitting window is formed by removing a light-emitting device-facing portion of the light-shielding mask. 3. The light-receiving panel device according to claim 2, wherein the light-emitting window is covered with a light-transmitting film having a predetermined color. 4. The light-receiving panel device according to claim 3, wherein a plurality of the light-emitting windows are provided, and each of the light-emitting windows is covered with a light-transmitting film having a different color. 5. The light-receiving panel device according to claim 3, wherein the light-shielding mask, the infrared transmitting film, and the light transmitting film are formed by printing. 6. The light-receiving panel device according to claim 1, wherein the housing is a housing for an indoor unit of an air conditioner.