JPH06341671A - Remote control signal receiving and operation indicator - Google Patents

Abstract

PURPOSE:To improve the visuality of operation indication and the receivability of remote control signals by optionally setting the angle between a light emitting element that indicates operation state and a light receiving element that receives remote control signals. CONSTITUTION:Operation indication direction and remote control signal receiving direction are determined depending upon the bent shape of a resin-molded substrate 12 on which an operation indicator and a remote control signal receiver are formed. A light emitting element 13, a light receiving element 15, a light emitting element case 14, a light receiving element case 16 and others are mounted on the resin-molded substrate 12. Those electronic parts emit and receive light through openings 11 and 17 of a front cover 9, and an indication cover 6a and a light receiving filter 7a attached on a front grille 9a. Thereby, operation indication direction and signal receiving direction can be optionally selected, so that the visuality of operation indication and the receivability of remote control signals are improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric product having a signal receiving section using a remote controller and an equipment operation display section, and more particularly to an indoor unit remote control reception operation display formed at different angles between the remote control signal direction and the operation display direction. Regarding the department.

[0002]

2. Description of the Related Art In an air conditioner, especially in a separate type indoor unit, a display section for the operating state of the unit and a light receiving section for a remote control signal are collected on the lower right side as described in Japanese Utility Model Laid-Open No. 4-110323. It was distributed. Further, a light emitting element such as an LED and a light receiving element are mounted on one printed circuit board. This is because the electrical component that controls the indoor unit is located in the space inside the right side of the unit and is therefore arranged in the vicinity thereof.

[0003]

However, in the prior art, since the display section and the light receiving section are located on one printed circuit board, the light emitting angle of the light emitting element and the light receiving angle of the light receiving element are not taken into consideration.

It is an object of the present invention to freely select the angles of the light emitting element for displaying the driving condition and the light receiving element for receiving the remote control signal, so that the degree of freedom in the shape of the operation display / light receiving portion, which greatly affects the design, can be improved. , Which improves the design of the indoor unit and improves the visibility of the driving display.
An object of the present invention is to provide a remote control reception operation display unit having a good light receiving property of a remote control signal.

[0005]

The above object can be achieved, for example, by making a substrate on which a light emitting element or a light receiving element is mounted into a three-dimensional shape and arbitrarily selecting a mounting angle of the light emitting element or the light receiving element. Further, in the case of an air conditioner, the display section and the light receiving section are arranged at arbitrary positions in the indoor unit by electrically connecting the electric parts for controlling the indoor unit to the substrate through wiring materials, connectors, etc. Therefore, not only the design of the indoor unit can be improved, but also the visibility of the driving display and the reception of the remote control signal can be improved.

[0006]

[Function] A connection part such as a connector is provided on a part of a resin molded board on which a light emitting element and a light receiving element are mounted at an appropriate angle, and an electrical component for controlling an indoor unit of an air conditioner and a wiring member are provided. The operation display section and the remote control light receiving section are formed by providing a mechanism for electrically connecting and fixing the molded substrate at the center of the front surface of the dew receiving section of the heat exchanger inside the indoor unit or at a position determined by the design. be able to.

[0007]

1 shows a part of an indoor unit 1 of an air conditioner according to an embodiment of the present invention. This indoor unit 1 is a plastic molded cabinet 2 and a heat exchanger 3
Is incorporated, and the electrical component section 4 for controlling the indoor unit 1 is arranged in the right-side void portion. Further, a driving display section 6 for displaying a driving state using a lamp or a light emitting element, and a remote control signal receiving section 7 for receiving an optical signal transmitted from a remote control.
Is fixed to the dew receiving portion 5 of the heat exchanger 3 so as to be located substantially at the center of the indoor unit 1. The mounting position is determined by the design of the indoor unit 1 and its external appearance, display and reception performance. The electric component section 4 for controlling the operation of the indoor unit 1 is usually arranged inside the right side of the unit as in the conventional example, and the electronic parts and the like forming the operation display section 6 and the remote control signal receiving section 7 are It is electrically connected to the electrical component section 4 via the wiring member 8, the connector 8a and the like.

FIG. 2 shows a partial cross section of the central portion of the indoor unit of the present invention. The resin molded substrate 12 of the present invention includes a dew receiving portion 5 for discharging the moisture dehumidified by the heat exchanger 3 to the outside.
It is attached to the front surface 20 of the dew receiving portion. On the other hand, the operation display and the remote control signal reception direction are determined by the bent shape of the resin molded substrate 12 as shown in the figure depending on the design, the visibility, the reception, and the like. Operation display section 6, remote control signal receiving section 7
On the resin molded substrate 12 on which the light emitting element 13 is formed,
The light-receiving element 15, the light-emitting element case 14, the light-receiving element case 16 for shielding noise of the light-receiving element 15 and the like are respectively mounted for the purpose of light leakage of the light-emitting element 13 and improvement of light-emitting property. These electronic components emit and receive light through the openings 11 and 17 of the front cover 9, the display cover 6a attached to the front grill 9a, and the light receiving filter 7a. In addition, the conditioned air is discharged into the room through the discharge unit 10 and the horizontal and horizontal spreads 5a and 5b that are appropriately determined by manual operation. As described above, according to the present invention, the driving display direction and the receiving direction can be arbitrarily selected, the visibility of the driving display and the receiving property of the remote control signal can be improved, and the design of the indoor unit 1 can be further improved. Even the sex can be improved. In this embodiment, the resin molded substrate 12 is attached to the front surface 20 of the dew receiving portion by various methods, but even if it is attached to the front cover 9, it does not depart from the present invention.

An embodiment of the resin molded substrate 12 of the present invention is shown in FIG. In this embodiment, when the resin molded substrate 12 is molded, the light emitting element case 14 is formed into a shape as shown in a mold, and the light emitting element case portion 14a is formed by a single injection molding.
Was formed.

The light-receiving element case 16 is made of metal for noise shielding, but is fixed to the resin-molded substrate 12 mechanically or by backside soldering. The resin-molded substrate 12 has a metal pattern having good electrical conductivity embedded therein in a required circuit shape. Light receiving element,
Light emitting element 13, connector 19 and other electronic components 18
On the back surface of the molded substrate 12, a, 18b, etc. are soldered to the embedded metal pattern to form a circuit for operation display and remote control signal reception. This metal pattern is embedded in the thermoplastic resin by injection molding, but since various electronic components are mounted, a part of the metal pattern surface for soldering is exposed on the back side of the mounting surface. Soldering is carried out automatically or manually, but it is desirable to select a thermoplastic resin, such as polyphenylene sulfide, taking into account the heat resistance in this soldering. Further, since the metal pattern is embedded inside, it is also very effective for the durability of the resin molded substrate to make the linear expansion coefficient of the resin as close as possible to the linear expansion coefficient of the metal pattern material. As described above, the materials of the metal pattern and the molding resin are selected from solderability, moldability, durability, etc., and are not limited to the present invention. Further, the metal pattern whose surface is coated with a solder material is good for soldering, but coating with flux or the like causes no problem. After the various electronic components are mounted on the resin molded substrate 12,
It is arranged in the indoor unit as shown in FIG. Normally, an electric component section 4 for controlling the indoor unit 1 is arranged inside the right side of the unit.
Are electrically connected to each other via the wiring member 8 by the connector 19 or the like.

As described above, since the operation display section and the light receiving section can be set at an arbitrary angle by the resin-molded substrate and the light emitting element case can be integrally formed, good visibility of the operation display and remote control signal can be obtained. It is possible to form a display light receiving unit which is inexpensive in terms of cost as well as ensuring good reception of the indoor unit, and it is possible to improve the designability as an indoor unit.

[0012]

According to the present invention, since the light emitting element for driving display and the light receiving element for remote control signal can be arranged at any angle and place by the resin molding substrate, the visibility of the driving display and the remote control signal can be improved. Receivability can be improved. Further, since the operation display section and the remote control reception section can be part of the design, there is an effect that the designability as an indoor unit can be greatly improved.

[Brief description of drawings]

FIG. 1 is a partial external view of an air conditioner indoor unit to which an embodiment of the present invention is attached.

FIG. 2 is a partial cross-sectional view of an air conditioner indoor unit to which an embodiment of the present invention is attached.

FIG. 3 is an external view of a driving display and remote control signal receiving unit that is an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Indoor unit, 6 ... Operation display part, 7 ... Remote control signal receiving part, 12 ... Resin molded substrate, 13 ... Light emitting element, 15 ... Light receiving element, 20 ... Front of dew receiving part.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Fumio Iwabuchi 800 Tomita, Ohira-cho, Shimotsuga-gun, Tochigi Prefecture Living Equipment Division, Hitachi, Ltd. (72) Keiji Yokoyama 800 Tomita, Ohira-cho, Shimotsuga-gun, Tochigi Prefecture Hitachi Ltd. Living Equipment Division (72) Inventor Yuyuki Otsuka 800 Tomita, Ohira Town, Shimotsuga-gun, Tochigi Prefecture Hitachi Living Equipment Division

Claims (3)

[Claims] 1. An operation display light emitting direction and an optical signal receiving direction from a remote controller are set at different angles, and the operation display light emitting direction and the optical signal receiving direction are provided by a light emitting element or an electronic part such as a display lamp and a light receiving element. A remote control reception and operation display unit, which is mounted on the same bent board. 2. The remote control reception and operation display unit according to claim 1, wherein the substrate is made of a metal having a good electrical conductivity and a thermoplastic resin having a good heat resistance, which are integrated by injection molding. 3. The light-shielding portion capable of preventing light leakage of the operation display light-emitting element or the display lamp when the substrate is molded, is integrally formed.
Remote control reception and operation display section described.