JP3261831B2 - 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 using gas, oil, electricity or the like, and more particularly to a hot water supply apparatus for a cordless remote control controlled by a radio signal of a remote control for remote control. Things.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, this type of hot water supply apparatus relays a signal transmitted from a remote control 31 installed in a room to convert a wired signal and a radio wave signal into each other. The transmitter / receiver 32 is provided outside a body exterior 33a forming an outer shell of a water heater 33 installed outside the room where hot water is used, and is provided inside the water heater 33 via an insert 34 attached to the body exterior 33a. Controller 35 and electric wire 3 provided
6 was used.

[0003]

However, in the configuration of the above-described conventional hot water supply apparatus, the hot water supply transmitter / receiver 32 is provided outside the main body exterior 33a. There is a problem that a mistake in the wireless communication of the water heater 33 may occur and that the water heater transceiver 32 and the antenna may be damaged by a direct impact. In addition, the hot water supply transmitter / receiver 32 has corrosion resistance, weather resistance, and rain resistance, and requires consideration of materials and configurations that maintain aesthetic appearance, and also has a problem in that the installation space for the water heater 33 increases.

[0004] The present invention is intended to reduce the workability during installation.
The first is to provide a water heater that improves the reliability and stability of communication between the water heater and the cordless remote controller without being affected by the weather or impact, and prevents the installation space from expanding.
The purpose is.

It is a second object of the present invention to provide a structure for facilitating relocation of a hot water supply / reception device and attachment / detachment of the hot water supply / removal device.

A third object of the present invention is to provide a hot water supply transmitter / receiver that can be easily attached to and detached from an outer package of the main body, and to provide a reasonable configuration of the hot water supply transmitter / receiver and its attachment.

[0007]

SUMMARY OF THE INVENTION In order to achieve the first and second objects, the present invention relates to a hot water heater installed outdoors, which houses a controller for controlling hot water supply and uses hot water. And an operation section for inputting a hot water supply setting signal to the water heater, and converting the hot water supply setting signal of the operation section into a radio signal and outputting the signal, converting the received radio wave into a display signal of a display, outputting the signal, and using the hot water. A hot water supply that has a remote control for remote operation installed in a room to be installed and an electric wire connected to a controller of the water heater, and relays wireless signal transmission between the water heater and the remote controller to mutually convert a wired signal and a radio wave signal. A transmitter / receiver is provided inside the water heater, and only a telescopic antenna that transmits and receives radio signals is put out of the water heater.
A body exterior with an opening on the surface facing the mounting part, and an opening
A closing lid that closes the part and forms the exterior of the main unit, and sends and receives hot water
Mounting plate with holes for mounting the container,
It is provided with a sealing material for maintaining airtightness.

In order to achieve the third object, the present invention provides a main body exterior provided with an opening for mounting a hot water supply / reception device, and has electrical insulation, and holds a substrate portion of the hot water supply / reception device. In addition, the base of the water heater transceiver is housed inside the water heater, the outer shell of the water heater is formed and the transmitter / receiver base is detachably attached from the outside of the body exterior, and the airtightness of the body exterior and the transceiver base With a sealing material for maintaining

[0009]

According to the above means, the hot water supply apparatus of the present invention performs wireless communication with a remote controller in the room by means of a hot water supply transmitter / receiver provided inside the water heater through a telescopic antenna extending above a water heater installed outside the room. Do. In the packed and transported state, the tip of the antenna is located on the upper surface of the main body exterior, and after installation, the antenna is extended by a predetermined length from the upper surface of the main body exterior, so that efficient transmission specifications of radio waves can be obtained. In addition, by using an insulating material for the antenna fixing member on the upper surface of the main body exterior, it is possible to perform stable transmission and reception without communication while the antenna portion is grounded to the metal exterior of the water heater.

Further, according to the second means, the hot water supply apparatus of the present invention provides a closing lid for closing an opening provided on the exterior of the main body in an installation environment in which radio signals of the water heater and the remote controller are reduced. It is possible to improve the communication state by removing the hot water supply transmitter / receiver and removing the same. At the same time, attachment and detachment of the hot water supply transmitter / receiver can be easily performed without removing the front plate of the body exterior.

Further, by the third means, the hot water supply apparatus of the present invention is provided with a transmitter / receiver base made of an electrically insulating material and a sealing member so as to position the substrate portion of the hot water supply transmitter / receiver inside the water heater. The hot water supply transmitter / receiver can be transmitted / received without being grounded to the metal exterior of the water heater, and can prevent infiltration of rainwater. Also,
Since the hot water supply / reception device is configured to be attached from the outside of the main body exterior, the attachment / detachment of the hot water supply / reception device can be performed extremely easily.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the present invention. A controller 2 for controlling hot water supply, which is incorporated in a main body exterior 1a constituting an outer shell of an outdoor hot water heater 1 that uses hot water, controls the hot water heater 1. An electric signal is received by an electric wire 4 and a hot water supply transmitter / receiver 3 which receives an operation signal by a radio wave and is built in the exterior body 1 a of the main body and receives information of the water heater 1. Reference numeral 5 denotes an antenna unit which is connected to the hot water supply transceiver 3. The antenna unit 5 is fixed to the exterior main body 1a by an antenna fixture 6. Hot water supply / reception device 3 is fixed to mounting plate 8 fixed to water heater 1 by screws 7 with screws 9. Reference numeral 10 denotes a cordless remote controller installed in a room where hot water is used. A display operation unit 12 for inputting hot water supply conditions and displaying information from the water heater 1 is provided on the front, and an operation signal is converted into a wireless signal inside. A remote control transmitter / receiver 11 is provided which outputs the information from the water heater 1 into a display signal and outputs the information. 1
Reference numeral 3 denotes a wall that separates the room from the outside.

Further, the exterior 1a of the main body of the water heater 1 is coated with an electrically insulating material (for example, powder coating), and the fixture 6 for supporting the antenna section 5 is formed of an electrically insulating material (for example, resin or rubber such as PBT). It consists of.

FIG. 2 shows a control system of the hot water supply 1, the hot water supply transmitter / receiver 3, and the cordless remote controller 10, a hot water supply state detector 14 for detecting a hot water temperature and a combustion state, and a hot water supply capacity setting 15 for calculating a heating amount. A bathtub state detector 16 detects the amount of hot water supplied to the bathtub and the like, and a hot water supply power supply 17 is provided. Reference numeral 18 denotes a display, 19 denotes a setting unit, and 20 denotes an operation switch as the display operation unit 12. Reference numeral 21 denotes a remote control power supply, which supplies power using a dry battery or the like.

FIG. 3 shows the structure of the antenna fixing device. The antenna fixing device 6 includes an antenna fixing device 6a and a sealing material 6b formed of synthetic rubber. 6a holds the antenna portion and is fixed to the main body exterior 1a with screws 22. Antenna part 5
The diameter d of the tip 5a is smaller than the diameter D of the seal portion 5b, so that it can be inserted from below, and since the airtightness is maintained by the sealing material 6b, rainwater from above can be removed from the inside of the main body exterior 1a. No infiltration into Since the portion in contact with the antenna unit 5 is made of an electrically insulating material, the output does not decrease due to local conduction of the antenna unit 5.

Next, radio signal transmission will be described with reference to the control system diagram shown in FIG. The remote control transceiver 11 powered by the remote control power supply 21 turns on the operation switch 20 and displays the hot water temperature set by the setting device 19 on the display 18 in order to obtain hot water of a desired temperature.

Water heater 1 installed outdoors has a hot water supply power supply 17.
Water heater status detector 14 by controller 2
To check the safety and environmental condition of the water heater 1, determine the operation load of the water heater 1 in accordance with the required hot water load with the hot water capacity setting device 15, and, if necessary, the bathtub with the bathtub condition detector 16. While checking the condition, supply hot water to the bathtub. Controller 2 transmits a signal of hot water supply information from hot water supply transceiver 3 to remote control transceiver 11 by radio waves.

The hot water heater 1 installed outdoors may be exposed to strong direct sunlight or rainfall. If electronic control parts are provided outside the main body exterior 1a, the water heater 1 has its original function due to heat, water and moisture. May not be able to demonstrate
It is necessary to give due consideration to weather resistance. In this embodiment, since the hot water supply transmitter / receiver 3 is built in the water heater 1, if the weather resistance is secured by the water heater 1, stable signal transmission can be performed without the above-mentioned worry. In addition, the hot water supply / reception transmitter / receiver 3 is not directly subjected to an impact even during the transportation after unpacking the transport package, and the antenna unit 5 is also housed in the projection of the main body exterior 1a. If it is shortened, breakage can be prevented.

Next, another embodiment of the present invention will be described with reference to FIG.

The hot water supply transmitter / receiver 3 is built in the exterior 1a of the main body, and is fixed by screws 9 to a mounting plate 8 fixed to the water heater 1 by screws 7. An opening 23 that is larger than the projected area of the hot water supply / reception device 3 is provided on a surface of the main body exterior 1 a facing the mounting portion of the hot water supply / reception device 3.
The cover 2 for closing the cover 3 is screwed through the body exterior 1a and a sealing material 25 for maintaining the airtightness of the cover 24.
6. This configuration is excellent in terms of repair. That is, the closing lid 24 is removed, and the hot water supply
By removing the screw 9 fixing the
The hot water supply / reception transmitter / receiver 3 can be attached / detached without removing the front plate 1b. In addition, in an installation environment in which the radio signal of the water heater 1 and the remote controller 10 is reduced, by providing a plurality of mounting holes 8a above the mounting plate 8, relocation is possible and the communication state can be improved.

Next, still another embodiment of the present invention will be described with reference to FIG.

The hot water supply transmitter / receiver 3 is constructed by mounting a board portion 3b on which electronic control components are mounted on a transmitter / receiver base 3a made of an electrically insulating material. An opening 23 is provided on a side surface of the main body exterior 1a, and the area of the transmitter / receiver base 3 is large.
It is larger than the outer shell on which the substrate portion 3b is mounted, and smaller than the outer shape of the transmitter / receiver base 3a, including the portion required for airtightness of rainwater. The hot water transmitter / receiver 3 has a transmitter / receiver base 3a of an electrically insulating material attached to the main body exterior 1a by a screw 26 via a seal member 25 in a direction in which the substrate portion 3b is housed inside the water heater. Can be transmitted and received without being grounded to the metal main body exterior 1a of the water heater 1, and the infiltration of rainwater can be prevented.
Further, since hot water supply / reception device 3 is configured to be attached from the outside of main body exterior 1a, attachment / detachment of hot water supply / reception device 3 is extremely easy, and the number of components required for the configuration and attachment of hot water supply / reception device 3 can be reduced. Thus, a reasonable configuration of the hot water supply device can be provided.

[0024]

As described above, according to the first aspect of the present invention,
In the hot water supply device, a hot water supply transceiver that relays signal transmission between the water heater and the remote controller and converts a wired signal and a radio wave signal into each other is provided inside the water heater, and only a telescopic antenna that transmits and receives a radio signal is supplied. Out of the water heater, by providing an insulator fixture around the antenna, to prevent communication failure or damage due to weather or impact of the hot water supply transceiver, enables stable transmission and reception of the water heater and cordless remote control In addition, it is possible to provide a hot water supply apparatus which does not hinder the installation space and does not impair the aesthetic appearance.

In addition, a main body exterior having an opening on a surface facing the mounting portion of the hot water supply / reception device, a closing lid for closing the opening to form the main body exterior, and a hole for mounting the hot water supply / reception device are provided. and provided the mounting plate, and more, further comprising a sealing member to maintain the body exterior air tightness of the closure lid, it is possible to provide a configuration that facilitates detachment of from the water heater.

In the hot water supply apparatus according to a second aspect of the present invention, the main body exterior having an opening for mounting the hot water supply / reception device is provided, which has electrical insulation properties and holds the substrate portion of the hot water supply / reception device. The base of the hot water supply transmitter / receiver is housed inside the water heater, the outer shell of the water heater is formed and the transmitter / receiver base is detachably attached from the outside of the body exterior, and the airtightness of the body exterior and the transceiver base is maintained. By providing a sealing material,
The hot water supply transceiver can be easily attached to and detached from the exterior of the main body, and a reasonable configuration of the hot water supply transceiver and the mounting can be provided.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a water heater of a cordless remote controller according to an embodiment of the present invention.

FIG. 2 is an operation block diagram of the apparatus.

FIG. 3 is an essential part cross-sectional view showing a fixed state of the antenna of the device.

FIG. 4 is an external perspective view of a water heater of a cordless remote controller according to another embodiment of the present invention.

FIG. 5 is an external perspective view of a water heater of a cordless remote controller according to still another embodiment of the present invention.

FIG. 6 is an external perspective view of a conventional cordless remote control water heater.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hot water supply device 1a Body exterior 2 Controller 3 Hot water supply transceiver 3a Transceiver base 3b Board part 4 Electric wire 5 Antenna part 6 Fixture 8 Mounting plate 10 Remote control 23 Opening 24 Closure lid 25 Sealing material

Continuing on the front page (72) Inventor Hiroshi Takechi 1006 Kazuma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. References JP-A-4-320758 (JP, A) JP-A-5-50806 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24H 1/10 301 F23N 5/26 H04Q 9/00 311

Claims (2)

(57) [Claims] 1. A housing the controller for the hot water supply control includes a water heater that is installed outdoors to hot water use, and a remote control that have the operation portion for operating inputs the hot water setting signal to the water heater, before
A hot water supply transceiver for converting a wired signal and wireless radio signal mutually connected in serial controller and the electric wire relays the radio signal transmission of the water heater and the remote control, the hot water supply transceiver inside the water heater The hot water supply transmission / reception unit is provided with only a telescopic antenna for transmitting and receiving radio wave signals extending above the water heater, and a fixing member made of an insulating material provided around the antenna on the upper surface of the water heater.
A body exterior having an opening on a surface facing the mounting portion of the container,
A closure lid that closes the opening and forms the body exterior
And a mounting plate provided with holes for mounting the hot water supply transceiver,
A sealing material for keeping the airtightness between the body exterior and the closing lid is provided.
A water heater for a cordless remote control. 2. A hot water supply is used by storing a controller for controlling hot water supply.
And a hot water supply setting signal to this water heater
And a remote control having an operation unit for inputting a signal.
The water heater and the remote controller are connected to a controller and an electric wire.
Relays wired signal and wireless radio signal
A hot water supply transmitter / receiver for converting each other, and
A hot water supply transmitter / receiver is provided to extend and retract telescopic signals.
Put only the antenna part above the water heater, and
A fixing device made of an insulating material is provided around the tener portion, and the hot water supply
Electrical insulation with the body exterior provided with an opening for mounting the container
Having a substrate portion of the hot water supply / reception transmitter and receiver.
Then, house the substrate part of the hot water supply transceiver inside the water heater,
The outer shell of the water heater is formed to be removable from the outside of the body
Transmitter / receiver base,
A cordless remote control hot water supply device equipped with a sealing material for keeping the airtightness of a transceiver base .