JPH10205862A - Radio wave remote controlled air conditioning device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radio wave remote controlled air conditioning device which can extend a remote controlled distance. SOLUTION: A slit (c), which resonates with a frequency lower than a resonance frequency of a receiver antenna (a), is provided on a metal board (b) which installs indoor equipment of an air conditioning device on a wall or the like. The slit (c) reflects received radio waves and collects the efficiency of the receiver antenna (a) on the front surface or the bottom of the indoor equipment. It is, therefore, possible to make the best use of the efficiency of the receiver antenna (a) and extend a remote controlled distance. In addition to that, it is possible to collect the efficiency of the receiver antenna (a) on the front surface or the bottom of the indoor equipment even when a conductor which resonates with a frequency higher than the resonance frequency of the receiver antenna (a) and the received radio waves are guided thereto. The slit (c) is attached to the conductor, which makes it possible to enhance the effect to a more satisfactory extent by reflection and wave guide.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner remotely controlled by a radio wave remote control means.

[0002]

2. Description of the Related Art In recent years, air conditioners of infrared remote control are generally used for air conditioners for home use, but radio remote control is effective in an environment with a lot of optical noise.

[0003] A conventional radio-controlled air conditioner of the radio wave type will be described below with reference to the drawings. FIG. 5 is a perspective view showing a configuration of an indoor unit in an air conditioner remotely controlled by a radio wave type remote control means (not shown). As shown in the figure, a receiving antenna a designed to resonate with the frequency of a radio wave used for remote control, such as a pole antenna, is independently installed in an indoor unit of an air conditioner.

[0004]

In such a conventional radio-controlled air-conditioning apparatus of the prior art, as shown in FIG.
The efficiency of the receiving antenna a is substantially equal in the front-rear direction and the vertical direction of the indoor unit, and the efficiency of the upward or rearward receiving antenna that is less necessary for remote control is wasted. There was a problem to say.

[0005] The present invention solves the above-mentioned problems, and collects the efficiencies of a receiving antenna on the front and lower surfaces of an indoor unit so that, in actual use, air-operated air-operated remote-controlled air can be remotely operated from a farther position. It is intended to provide a harmony device.

[0006]

According to the first aspect of the present invention, a slit having a lower resonance frequency than an electric resonance frequency (hereinafter referred to as a resonance frequency) of a receiving antenna is formed.
This is a radio-controlled remote-controlled air conditioner installed on a metal plate that mounts indoor units on a wall.

[0007] Thereby, the radio wave of a predetermined frequency is reflected by the slit, the efficiency of the receiving antenna is gathered on the front and lower surfaces of the indoor unit, and the remote control distance can be extended by effectively utilizing the efficiency of the receiving antenna.

According to a second aspect of the present invention, there is provided a radio remote control air conditioner in which a conductor having a resonance frequency higher than a resonance frequency of a reception antenna is provided in front of a reception antenna of an indoor unit.

[0009] Thus, the efficiency of the receiving antenna is collected on the front and bottom surfaces of the indoor unit by guiding the radio wave of the designated frequency by the conductor, and the efficiency of the receiving antenna is effectively used to extend the remote control distance. it can.

According to a third aspect of the present invention, a slit having a resonance frequency lower than a resonance frequency of a receiving antenna is provided on a metal plate for mounting an indoor unit on a wall.
This is a radio remote control air conditioner in which a conductor having a resonance frequency higher than the resonance frequency of the reception antenna is provided in front of the reception antenna of the indoor unit.

[0011] Thus, the efficiency of the receiving antenna is gathered on the front and lower surfaces of the indoor unit by the reflection by the slit and the waveguide by the conductor, so that the efficiency of the receiving antenna can be more effectively utilized and the remote control distance can be extended. .

[0012]

In the present invention according to the first aspect, a slit is provided in a metal plate for mounting an indoor unit on a wall or the like so as to resonate at a frequency lower than the resonance frequency of the receiving antenna in parallel with the receiving antenna. Radio waves are reflected by the receiving antenna through the slit, and the efficiency of the receiving antenna is collected on the front or lower surface of the indoor unit.

In the present invention according to claim 2, a conductor that resonates at a frequency higher than the resonance frequency of the receiving antenna is provided in front of or below the receiving antenna in parallel with the receiving antenna. Radio waves are guided to the receiving antenna by the conductor, and the efficiency of the receiving antenna is collected on the front or lower surface of the indoor unit.

According to a third aspect of the present invention, both the slit according to the first aspect and the conductor according to the second aspect are provided, and the efficiency of the receiving antenna is reduced by using the reflection and the waveguide at the same time. Gather effectively on the underside.

Hereinafter, embodiments will be described.

[0016]

【Example】

(Embodiment 1) A first embodiment of a radio-controlled remote-controlled air conditioner according to the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing the structure of this embodiment. In the figure, a slit c whose resonance frequency is adjusted to have a lower resonance frequency than the resonance frequency of the reception antenna a is provided in a metal plate b on which an indoor unit of the air conditioner is mounted on a wall or the like.

The slit c has a property of reflecting a radio wave received by the receiving antenna a. Therefore, as shown in FIG. 2, by installing the indoor unit of the air conditioner using a metal plate b on a wall or the like. The efficiency of the receiving antenna a can be gathered on the front surface or the lower surface.

As described above, according to this embodiment, the reception radio wave is reflected and received by providing the slit c having a resonance frequency lower than the resonance frequency of the reception antenna a in the metal plate b for mounting the indoor unit on a wall or the like. The efficiency can be given to the antenna a on the front or lower surface of the indoor unit, and the remote operation can be performed from a longer distance.

(Embodiment 2) Hereinafter, a second embodiment of a radio-controlled air-conditioning apparatus according to the present invention will be described with reference to the drawings.

FIG. 3 is a perspective view showing the structure of this embodiment. In the figure, a conductor d adjusted to have a resonance frequency higher than the resonance frequency of the receiving antenna a is provided in front of or below the receiving antenna a.

The conductor d designed to resonate at a frequency higher than the resonance frequency of the receiving antenna a has a property of attracting a received radio wave. Therefore, as shown in FIG. , The efficiency of the receiving antenna a can be collected on the front surface or the lower surface.

As described above, according to the present embodiment, by providing the conductor d having a resonance frequency lower than the resonance frequency of the receiving antenna a in front of or below the receiving antenna a, the received radio wave is guided and received. a, the efficiency can be collected on the front or lower surface of the indoor unit, and the remote operation can be performed from a longer distance.

In this embodiment, the case where only the conductor d is provided has been described. However, by using this in combination with the slit c described in the first embodiment, the efficiency of the receiving antenna a can be more effectively collected. it can.

[0025]

According to the first aspect of the present invention, in a radio remote control air conditioner, a metal plate for mounting an indoor unit on a wall or the like is provided with a slit that resonates at a frequency lower than the resonance frequency of the receiving antenna. Thereby, the receiving antenna efficiency can be collected on the front or lower surface of the indoor unit, and the operable distance can be extended.

According to a second aspect of the present invention, in a radio-controlled remote-controlled air conditioner, a conductor that resonates at a frequency higher than the resonance frequency of the reception antenna is provided before or below the reception antenna of the indoor unit. The efficiency of the receiving antenna can be collected on the front or lower surface of the indoor unit, and the operable distance can be extended.

By using the slit according to the first aspect and the conductor according to the second aspect together, the efficiency of the receiving antenna can be more effectively collected on the front or lower surface of the indoor unit.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of an indoor unit and a metal plate according to a first embodiment of the present invention.

FIG. 2 is a side sectional view showing an efficiency distribution of the receiving antenna in the embodiment.

FIG. 3 is a perspective view illustrating a configuration of an indoor unit according to a second embodiment of the present invention.

FIG. 4 is a side sectional view showing the efficiency distribution of the receiving antenna in the embodiment.

FIG. 5 is a perspective view showing a configuration of an indoor unit in a conventional air conditioner.

FIG. 6 is a side sectional view showing the efficiency distribution of the conventional receiving antenna.

[Explanation of symbols]

 a Receiving antenna b Metal plate c Slit d Conductor

Continuing on the front page (72) Inventor Yasuyuki Ejima 1006 Kazuma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (3)

[Claims] 1. An air conditioner having a receiving antenna designed to resonate at a predetermined frequency and remotely controlled via the receiving antenna by a radio remote control means, wherein an indoor unit of the air conditioner is used. An air conditioner of a radio wave type remotely operated, wherein a metal plate mounted on a wall is provided with a slit adjusted to resonate at a frequency lower than the resonance frequency of the receiving antenna. 2. An air conditioner having a receiving antenna designed to resonate at a predetermined frequency and remotely controlled via the receiving antenna by a radio wave remote control means, wherein the air conditioner is higher than the resonance frequency of the receiving antenna. A radio-controlled remote-controlled air conditioner in which a conductor adjusted to resonate at a high frequency is installed in front of or below the receiving antenna. 3. An air conditioner comprising a receiving antenna designed to resonate at a predetermined frequency and remotely controlled by the radio remote control means via the receiving antenna. Along with providing a slit adjusted to resonate at a frequency lower than the resonance frequency of the receiving antenna on a metal plate installed on a wall,
An air conditioner of a radio wave type remotely operated, in which a conductor adjusted to resonate at a frequency higher than the resonance frequency of the receiving antenna is installed in front of or below the receiving antenna.