JPH06225361A - Controller - Google Patents

Abstract

PURPOSE:To make the data of an apparatus and the data of a remote controller coincide with each other by maintaining a communication state even in the case that the commercial power supply of the apparatus is interrupted. CONSTITUTION:Main body communication equipment 15 transmits and receives a signal between the remote controller 16 and itself. A power supply backup device 17 maintains the power supply to inform the remote controller 16 of the extinction of the power supply even if the supply of the commercial power supply for the main body communication equipment 15 is interrupted. Thus, the transmission and reception of the signal between the main body communication equipment 15 and the remote controller 16 becomes possible irrespective of the power failure or the voltage drop of the commercisl power supply, and besides, this purport can be displayed correctly on the remote controller.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an appliance which uses a commercial power source as a power source and a controller for a remote controller which remotely operates the appliance using a battery as a power source.

[0002]

2. Description of the Related Art A conventional control device of this type is shown in FIG. 2 for a gas water heater for heating water, for example.

Reference numeral 1 is an outlet for guiding a commercial power source to the gas water heater 9, and reference numeral 2 is a direct current power source device for stepping down the commercial power source to convert it into a direct current. Reference numeral 3 denotes a main body communication device, which exchanges signals with the remote controller 4. Reference numeral 5 denotes a combustion control device, which determines the amount of gas supplied to the burner 6 and the amount of air blown to the blower 7 based on an operation signal from the remote controller 4 received via the main body communication device 3. On the other hand, the combustion control device 5 uses the burner 6
The display data for displaying the presence or absence of combustion in the remote controller 4 and the display data based on the operation signal from the remote controller operating unit 8 in the remote controller 4 are transmitted to the remote controller 4 via the main body communication device 3. Hot water obtained from the gas water heater 9 can be obtained by heating the water by combustion by the burner 6 and the blower 7.

The remote controller 4 has a remote controller communication device 10 for transmitting / receiving a signal to / from the main body communication device 3, and the remote controller communication device 10 transmits an operation signal from the remote controller operation part 8 to the gas water heater 9 to convey it. . On the other hand, the display data based on the presence or absence of combustion and the operation signal from the gas water heater 9 is received and displayed on the remote control display unit 11. Reference numeral 12 denotes a remote control DC power supply, which is composed of a battery. Remote control communication device 10, remote control operation section 8, remote control display section 11
The power source is supplied from the remote control DC power source 12.

Transmission and reception of signals between the gas water heater 9 and the remote controller 4 will be described below with reference to FIG.

First, when power is supplied to the gas water heater 9 or the remote controller 4 or both for the first time, neither signal is transmitted or received. Next, at t0 in the figure, transmission / reception is started when the remote control operation portion 8 of the remote control 4 is operated. When the remote controller operation unit 8 is operated, the remote controller communication device 10
Sends a signal to the main body communication device 3 and activates the intermittent timer ΔT. On the other hand, the main body communication device 3 receives a signal from the remote control communication device 10, transmits the signal to the combustion control device 5, and transmits the signal from the combustion control device 5 to the remote control 4
Send to. At that time, the intermittent timer ΔT is started. The deviation of the activation time of ΔT between the remote control communication device 10 and the main body communication device 3 is a minute time that can be recognized as an error compared with ΔT. Therefore, by operating the remote controller 4, synchronization can be obtained between the remote controller communication device 10 and the main body communication device 3, and thereafter, it becomes possible to transmit and receive signals at ΔT intervals.

[0007]

However, the above-mentioned structure has the following problems. This problem will be described with reference to FIG.

That is, when the commercial power supply supplying the power to the gas water heater 9 has a power failure or a voltage drop, the output (DC power supply) of the DC power supply 2 drops. As a result, the combustion control device 5 stops the operation of the burner 6 and the blower 7. Further, the main body communication device 3 stops its operation. As a result, communication between the gas water heater 9 and the remote controller 4 is lost, and although the combustion of the gas water heater 9 is stopped, the remote controller display unit 11 of the remote controller 4 retains the combustion display state. Resulting in. The above content is the state between t1 and t2 in FIG.

Next, the case where the commercial power supply is restored in the state of t2 will be described. At the same time when the power is restored, the output of the DC power supply 2 is restored to normal. As a result, the combustion control device 5 restarts the burner 6 and the blower 7 to restart combustion and supply hot water. The main body communication device 3 also restarts. However, the synchronization timer (ΔT) of the main body communication device 3 and the synchronization timer (ΔT) of the remote control communication device 10
There is a gap between T) and communication becomes impossible. Therefore, the content displayed by the remote controller 4 is not the result of receiving the combustion state in the water heater 9 but the display before the power failure is stored and displayed. Here, even if an abnormality such as the disappearance of the gas water heater 9 occurs, the remote controller 4
Will keep burning.

In order to solve the above problems, as shown at t3, the remote control operation unit 8 of the remote control 4 is operated to resynchronize the remote control communication device 10 and the main body communication device 3 by the above-described procedure. Have to wait until

In such a system, the display and the combustion state between the remote controller 4 and the gas water heater 9 are different due to the instantaneous power failure and the instantaneous voltage drop of the commercial power source which occur daily, and the remote controller 4
Since it does not recover unless you operate it, it gives the user a great deal of anxiety, and although the remote control 4 burns and the user thinks that it is in a hot water supply state, there is a case where only water comes out, which is convenient. The content was directly linked to the decrease in

Therefore, it is an object of the present invention to provide a control device that can properly display the fact that the commercial power source has a power failure or a voltage drop for a certain period of time even if the power source fails.

[0013]

In order to achieve the above object, the means of the control device according to the present invention comprises a backup power supply and a communication device for notifying the remote control unit when commercial power supply to an appliance is stopped or lowered. It is equipped with.

[0014]

With the above means, the control device of the present invention is
The backup power supply supplies the power of the communication device to maintain the operation of the communication device in response to the power failure and the voltage drop of the commercial power supply which occurs daily. As a result, transmission / reception of data between the device and the remote controller is maintained. Therefore, even if a power failure and a voltage drop of commercial power supply occur, the data of the appliance and the remote controller are always the same, and the user can feel a sense of security without giving a difference (for example, display) of the data of the appliance and the remote controller. The operation of the device will not be different from that of the remote control, and the deterioration of usability due to erroneous operation can be prevented.

[0015]

EXAMPLE A controller according to an example of the present invention will be described below.
A description will be given with reference to the drawings. FIG. 1 shows a gas water heater for heating water which is an embodiment of the present invention.
Reference numeral 13 denotes an outlet for guiding commercial power to the gas water heater 21,
Reference numeral 4 denotes a DC power supply device that steps down the commercial power supply to convert it into DC. Reference numeral 15 denotes a main body communication device, which exchanges signals with the remote controller 16. Reference numeral 17 denotes a power supply backup device, which is used for a certain period of time even if the output voltage of the DC power supply device 14 drops due to a power failure or voltage drop of the commercial power supply.
Power is supplied to the main body communication device 15. Reference numeral 17 denotes a combustion control device, which determines the amount of gas supplied to the burner 18 and the amount of air blown to the blower 19 based on an operation signal from the remote controller 16 received via the main body communication device 15. On the other hand, the combustion control device 17 transmits the display data indicating the presence / absence of combustion in the burner 18 and the display data based on the operation signal from the remote control operation unit 20 in the remote control 16 to the remote control 16 via the main body communication device 15. is doing. The hot water obtained from the gas water heater 21 can be obtained by heating the water by combustion by the burner 18 and the blower 19. Remote control 16
Has a remote control communication device 22 that transmits and receives signals to and from the main body communication device 15, and the remote control communication device 22 transmits and transmits an operation signal from the remote control operation unit to the gas water heater 21. On the other hand, the presence / absence of combustion from the gas water heater 21 and the display data based on the operation signal are received and displayed on the remote control display unit 23. Reference numeral 24 denotes a remote control DC power supply, which is composed of a battery. The remote controller communication device 22, the remote controller operating unit 20, and the remote controller display unit 23 are powered by the remote controller DC power source 24.

Next, transmission / reception between the gas water heater 21 and the remote controller 16 will be described. If the commercial power supply fails or the voltage drops, and except for the operation after that,
The operation is the same as the conventional example. Therefore, the case where the commercial power supply fails or the voltage drops and the operation after that will be sequentially described.

First, when the commercial power supply that supplies power to the gas water heater 21 suffers a power failure or a voltage drop, the output (DC power supply) of the DC power supply 14 drops. As a result, the combustion control device 17 stops the operation of the burner 18 and the blower 19. However, the main unit communication device 15
Keeps operating with the power supplied from the power backup device 17. As a result, the gas water heater 2
The communication between the water heater 1 and the remote controller 16 is maintained, and the combustion state of the water heater 21 is immediately transmitted via the main unit communication device 15.
6 and is displayed on the remote control display unit 23.

Next, the case where the commercial power supply is restored will be described. At the same time when the power is restored, the output of the DC power supply 14 is restored to normal. As a result, the combustion control device 1
In No. 7, the burner 18 and the blower 19 are activated again to restart combustion and supply hot water. Here again, since the main body communication device continues to operate normally, the combustion state of the water heater 21 is immediately transmitted to the remote controller 16 via the main body communication device 15. Then, it is displayed on the remote control display unit 23.

As described above, in this embodiment, the power source backup device 17 supplies the power source of the main body communication device 15 with respect to the power failure and the voltage drop of the commercial power source, and the operation of the main body communication device 15 is maintained. As a result, transmission / reception between the gas water heater 21 and the remote controller 16 is maintained. Therefore, even when a power failure and a voltage drop of the commercial power supply occur, the data between the gas water heater 21 and the remote controller 16 are always the same, that is, the combustion contents of the gas water heater 21 and the remote controller 16 are the same. . This gives the user a sense of security and prevents an erroneous operation, for example, water that comes out of the shower even when the remote controller 16 is in a burning state does not cause an inconvenient state such as cold water and a reduction in usability.

[0020]

As is apparent from the above description, the control device of the present invention is used when a power failure and a voltage drop occur in the appliance in the communication between the appliance powered by the commercial power source and the remote controller powered by the battery. However, by maintaining the communication from the appliance to the remote controller by the backup power source, it is possible to correctly display the voltage shortage of the appliance on the remote controller and improve the usability.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a control device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a conventional control device.

[Fig. 3] Timing chart of the same communication

FIG. 4 is a timing chart of communication when a conventional commercial power supply fails or a voltage drops.

[Explanation of symbols]

 13 Outlet 14 DC power supply device 15 Main unit communication device 16 Remote control 17 Power supply backup device 20 Remote control operation part 21 Gas water heater 22 Remote control communication device 23 Remote control display part 24 Remote control DC power supply

Claims (1)

[Claims] 1. An operation unit for inputting and instructing operation of an instrument, and an operation input signal of the operation unit converted to a radio signal and output to the instrument, and a radio signal from the instrument is received and displayed. A communication device for converting into a signal and outputting the signal, a display unit for displaying the operation input signal and the display signal, and a remote controller having a power source for supplying electric power from a battery are provided, and a wireless signal is communicated with the remote controller. A main body communication device, a main body power source that receives power from a commercial power source to supply power to the appliance, and backup power for wireless signal transmission that informs the remote controller that the main power source has received a voltage equal to or lower than a predetermined voltage A control device comprising a backup power supply that supplies power instead of the main body power supply, and the display unit displays that the voltage is insufficient.