JP3507520B2 - Cordless remote control water heater - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water supply apparatus for heating water by heating gas, oil, electricity, etc., and more particularly to a hot water supply apparatus for a cordless remote control controlled by a radio signal from a remote control for remote operation. It is a thing.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 5, a hot water supply device of this type has been installed in a hot water supply device 31 installed outside a room for hot water supply and a controller 32 installed in a room where hot water supply is used. The remote controller 22 is connected to the remote controller 22 by a remote controller cable 21 penetrating the wall 11, and a control signal from the remote controller 22 is transmitted by wire to the water heater 31 via the remote controller cable 21.

Further, as a cordless remote controller partially adopting radio signal transmission, as shown in FIG. 6, a controller 2 provided inside a water heater 31 installed outdoors and a controller 2 installed indoors. The remote control 24 penetrates the wall 11 and is connected by the remote control cable 21, and the cordless remote control 23 and the remote control 24 used in the same room are transmitted and received by infrared rays, and the control signal from the remote control 24 is the remote control cable 2.
1 was transmitted to the water heater 31.

[0004]

However, in the above-mentioned conventional remote control cable system configuration, when installing the hot water supply device, a hole 20 is made in the wall 11 and the remote control cable 21 consisting of a signal conductor of 2 to 8 cores is passed through the hole 20. The water heater 31 and the remote controller 22 had to be connected. for that reason,
There was a problem that wall penetration work was required and that a remote control cable connection error might occur.

Further, in the structure of the water heater using the infrared type cordless remote controller, if there is a wall between the cordless remote controller 23 and the remote controller 24, the infrared signal is attenuated and communication becomes impossible. There was a problem that communication was not possible.

Therefore, a first object of the present invention is that the work of drilling a wall and the work of connecting a cable are unnecessary, the workability is good, and when the radio wave attenuation is large and communication is not possible, the hot water transmitter / receiver is removed from the main body. (EN) Provided is a hot water supply device of a cordless remote controller that can be moved and relocated to a position where communication is good.

[0007]

In order to achieve the above first object, the first means of the hot water supply apparatus according to the present invention is a hot water supply apparatus which stores a controller for hot water supply control and is installed outside a hot water supply room. And a remote control for remote operation installed in a room where hot water is to be supplied, which has an operation section for operating and inputting a hot water supply setting signal to this water heater, and which converts the hot water supply setting signal of this operation section into a radio signal for output. And a hot water supply transmitter / receiver that is connected to the controller by an electric wire and relays signal transmission between the hot water supply device and the remote control to mutually convert a wired signal and a radio wave signal, and forms an outer shell of the hot water supply device. fixing means for mounting detachably said hot water supply transceiver in said shell is provided, and, the wire extension
In addition, the main body is provided so that the hot water supply transmitter / receiver can be relocated.

In order to achieve the second object,
A second means of the present invention comprises a main body whose surface is made of a metal material with an electrically insulating material, and a fixing metal fitting for fixing the antenna part by constituting a hot water supply transmitter / receiver with an electrically insulating material.
An antenna fixing A having a fixing hole for fixing to the main body at one end and a semicircular recess for fixing the antenna part at the other end and having electrical insulation, It has a U-shape and holds the tip of the antenna fixing bracket A in a substantially U-shaped part, and has a semi-circular recess for fixing the antenna part, and further it is fixed to the antenna fixing bracket A. It comprises an antenna fixing B having a hole for electrical insulation and can be fixed to the hole provided in the antenna fixing metal fitting A through the hole of the antenna metal fitting B and the fixing metal fitting can be relocated.
It was done so.

[0009]

With the first means, the hot water supply apparatus of the present invention performs wireless communication with the indoor remote controller by means of the hot water supply transmitter / receiver detachably provided on the side surface of the outdoor water heater.
Depending on the installation form and installation conditions of the water heater, if the radio waves are greatly attenuated and difficult to pass, the hot water transmitter / receiver can be detached from the main body, and the electric wire connected to the controller of the water heater can be extended and moved to a position where radio waves can easily pass.

Further, in the hot water supply apparatus of the present invention by the second means, the metal exterior is coated with an electrically insulating material, and the hot water supply transceiver is electrically insulating material (for example, resin such as PBT).
In addition, since the fixing member of the antenna unit is also made of an electrically insulating material (for example, resin such as PBT), the antenna unit is not grounded in the metal exterior of the water heater, and communication is prevented. enabling stable reception DOO
Even when the hot water supply transmitter / receiver is relocated,
The fixing metal fittings to be fixed are moved and the antenna part is fixed and stable.
You can send and receive.

The hot water supply transmitter / receiver is attached to the main body of the hot water supply device, and the antenna part is fixedly held by the fixing part, so that the antenna part receives vibration during transportation and a large force due to the resonance supports the antenna part. It is possible to prevent accidents that damage the rotating parts. Also, the same fixed part can be moved upward to the installation and used for fixed support so that the antenna part does not change the position, and when the hot water transmitter / receiver is detached from the main body and mounted on the wall away from the water heater It can also be fixedly supported to position the direction of the antenna part.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a hot water supply device for a cordless remote controller according to the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the present invention, in which a controller 2 for controlling hot water supply which is built in a main body 1a constituting an outer shell of an outdoor water heater 1 for hot water supply uses a radio wave for controlling the hot water supply 1. It is connected by the electric wire 4 to the hot-water supply transmitter / receiver 3 which receives the operation signal from and the information of the hot-water supply device 1.

An antenna unit 5 is connected to the hot water supply transmitter / receiver 3. The antenna unit 5 is fixed to the water heater 1 by the antenna fixture 6. In addition, hot water supply transceiver 3
It is also fixed to the water heater 1 with screws 7.

Reference numeral 8 is a cordless remote controller installed in the room where hot water is used.
A display operation unit 25 that displays information from the water heater 1, and outputs an operation signal converted into a wireless signal inside the water heater 1
Remote control transmitter / receiver 9 which converts the information of the above into a display signal and outputs it
However, the antenna 10 is inserted on the upper surface. 11
Is a wall that separates the room from the outdoors.

FIG. 4 shows a control system for the water heater 1, the hot water transmitter / receiver 3, and the cordless remote controller 8. Reference numeral 11 is a water heater state detector for detecting a hot water temperature and a combustion state, and 12 is a hot water supply capacity setting for calculating a heating amount. A bathtub state detector 13 detects the amount of hot water supplied to the bathtub, and a hot water supply power source 14. As the display operation unit 25, 15 is a display device, 16 is a setting device, and 17 is an operation switch. Reference numeral 18 denotes a remote control power supply, which is supplied by a dry battery or the like.

Further, the main body 1a of the water heater 1 shown in FIG. 1 is coated with an electrically insulating material (for example, powder coating), and the hot water transmitter / receiver 3 is electrically insulating material (for example, resin such as PBT).
The antenna fixture 6 for fixing the antenna part 5 is made of an electrically insulating material (for example, resin such as PBT).

FIG. 2 is a block diagram of the antenna fixture 6.
The antenna fixture 6 is composed of an antenna fixture fixture A31 and an antenna fixture fixture B32. The antenna part 5 is clamped and fixed by the screw 18, and the screw fixture 19 fixes the antenna fixture 6 to the exterior of the water heater 1. . The antenna fixing bracket A has a substantially L shape and has a fixing hole for fixing to the main body at one end and a semi-circular concave portion for fixing the antenna part at the other end to provide electrical insulation. Have The antenna fixing bracket B has a substantially U-shaped shape, and has a semicircular recess for holding the tip of the antenna fixing bracket A in a substantially U-shaped portion and fixing the antenna section. Further, it has a hole for fixing to the antenna fixing metal fitting A and has an electric insulation property. Is fixed through a hole of the antenna bracket B into the hole provided in the antenna fixing bracket A, the fixed
The metal fittings can be relocated . Since the portion in contact with the antenna unit 5 is made of an electrically insulating material, the output of the antenna unit 5 does not decrease due to local conduction.

In FIG. 1, the antenna unit 5 is the main body 1 of the water heater 1.
Only the H dimension is provided so as to project to the upper part of a, and FIG. 3 is an output characteristic diagram according to the H dimension where the antenna part 5 is projected.
Since the output is larger when the antenna unit 5 is located above the main body 1a of the water heater 1, communication is not disabled.

In the embodiment of the present invention, the H dimension is 100-12.
It has a specification of about 0 mm protruding. Further, the protrusion allows the antenna unit 5 to enter the shaded portion of the water heater 1, and thus the communication with the cordless remote controller 8 can be reliably performed.

Next, radio signal transmission will be described with reference to the control system diagram shown in FIG. The remote control transmitter / receiver 9 supplied with power from the remote control power supply 18 operates the operation switch 17 to display the hot water temperature set by the setting device 16 on the display device 15 in order to obtain hot water of a desired temperature.

The water heater 1 installed outdoors has a hot water supply 14
By the controller 2 fed by
Check the safety and environmental conditions of the water heater 1, determine the operating load of the water heater 1 according to the required hot water load with the hot water capacity setting device 12, and if necessary, use the bath condition detector 13 to bathtub. Hot water is supplied to the bathroom while checking the condition of. The controller 2 transmits a hot water supply information signal from the hot water supply transmitter / receiver 3 to the remote controller transmitter / receiver 9 by radio waves.

Here, in the water heater 1 installed outdoors, the main body 1a itself is often covered with a metal case, and the wall 11 often has an iron plate door. And
Since the iron plate reflects and hardly transmits radio waves, the radio wave signal transmission power may be reduced.

Therefore, in such a case, the hot water supply transmitter / receiver 3 is removed from the main body 1a, moved to a position where a radio signal transmission power can be obtained, and the controller 2 and the moved hot water supply transmitter / receiver 3a are connected by an electric wire 4a. The antenna part 5a is fixed by the antenna fixture 6a, and the hot water supply transmitter / receiver 3a is fixed by the screw 7a.

From the above, when communication is impossible, the electric wire 4
By extending a, the hot water supply transmitter / receiver 3 can be relocated to a position where communication is good.

[0026]

As is apparent from the above description, according to claim 1 of the present invention, since the water heater is operated by the radio wave from the remote controller, the cable for the remote controller is unnecessary and it is not necessary to make a hole in the wall. In addition, there is no miswiring and the installation work is simple .
It is possible to move the hot water supply transmitter / receiver to a position where communication can be performed by extending the electric wire connecting the hot water supply transmitter / receiver with the hot water supply transmitter / receiver, and stable communication is made possible by the fixed setting output.

According to the second aspect of the present invention, the antenna part of the hot water supply transmitter / receiver can be fixed to the upper part of the water heater main body in a stable state, and the output of the antenna part is reduced due to local movement. Stable transmission / reception is possible without causing any trouble. Furthermore , even when the hot water supply transmitter / receiver is relocated , the fixing bracket for fixing the antenna part is relocated.
The tenor is fixed and the output of the antenna is not lowered, and stable transmission and reception is possible.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating a hot water supply device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a fixed state of the antenna.

[Fig. 3] Output characteristic diagram of the antenna

FIG. 4 is an operation block diagram of the device.

FIG. 5 is a perspective view illustrating a conventional hot water supply device.

FIG. 6 is a perspective view illustrating another conventional hot water supply device.

[Explanation of symbols]

1 water heater 1a body 2 controller 3, 3a Hot water transmitter / receiver 4, 4a electric wire 5, 5a Antenna part 6,6a Antenna fixture 8 remote control 9 Remote control transceiver 31 Antenna fixing bracket A 32 Antenna fixing bracket B

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hiroshi Takechi Inventor Hiroshi Takechi 1006, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Takao Asada, 1006, Kadoma, Kadoma, Osaka (72) Inventor Sumio Ohara, 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor, Akikachi Aoki, 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. (56) Reference References JP-A-5-5556 (JP, A) JP-A-4-309749 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) H24H 1/00 H04Q 9/00

Claims (2)

(57) [Claims] Claims: 1. A hot water supply device which houses a controller for hot water supply control and which is installed outside a room for hot water supply, and an operation section for operating and inputting a hot water supply setting signal to the hot water supply apparatus, and the hot water supply setting signal of this operation section. Is converted to a radio wave signal and output, and a remote control for remote operation is installed in the room where hot water is used, and is connected to the controller by an electric wire and relays signal transmission between the water heater and the remote controller to wire and wireless signals. a hot water supply transceiver for converting radio signals to each other, a fixing means for mounting the water heater transceiver to form an outer shell of the water heater removably to said outer shell provided in,
Also, a hot water supply device for a cordless remote control, comprising a main body in which the electric wire is extended and the hot water supply transmitter / receiver can be transferred. 2. A body, which is surface-treated with an electrically insulating material, and a hot water supply transmitter / receiver, which is made of an electrically insulating material, and comprises a fixing metal fitting for fixing an antenna part. The fixing metal fitting is substantially L-shaped and has a body at one end. An antenna fixing metal fitting A having a semi-circular concave portion for fixing the antenna portion at the other end and having an electrically insulating property, and a substantially U-shaped shape. The antenna fixing bracket A has a semi-circular recess for holding the tip of the antenna fixing bracket A in a substantially U-shaped portion, and further has a hole for fixing the antenna fixing bracket A to electrically insulate the antenna fixing bracket A. The antenna fixing metal fitting B having the property of being capable of being fixed to a hole provided in the antenna fixing metal fitting A through the hole of the antenna metal fitting B, and being able to move the fixing metal fitting. Hot water supply device for the cordless remote control described.