JP2001008361A - Power saving system for electrical equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To save power consumption and to eliminate operation setting information and resetting of setting a time by controlling turning on/off of a power source of electrical equipment, using a centralized controller having a clock and a memory means, and storing operation set information of the equipment in the controller. SOLUTION: A centralized controller 6 inputs a set signal of a power turning on/off of electrical equipment 1a, 1b,..., 1n to a control means 3 by using an input means 7, and controls turning on/off of a power source. The means 3 transmits a switching signal to a switching means 2 and supplies operation setting information of the equipment a stored in a memory means 5 via a communication line 8 to the equipment 1a. The control signal of setting a time is supplied to a clock 10a incorporated in the equipment 1a, based on time information input from a clock 4 via the line 8. Thus, the clocks in respective equipment can be prevented from consuming power unnecessarily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a power saving system for electric equipment.

[0002]

2. Description of the Related Art In recent years, a clock (timer) has been incorporated in electrical equipment used at home (for example, a home appliance such as a television, a video, a rice cooker, etc.) for the convenience of users. . FIG. 3 is a functional block diagram showing a state in which a plurality of electric devices are arranged in a house and connected to a power supply arranged indoors. The electric devices 30a, 30b,
.., 30n have built-in storage means (RAM) 34a, 34b,... 34n and clocks 31a, 31b,. , A driving power supply 32 (constant AC 100 V) is constantly applied from the outside. The drive power supply 32 is connected to a circuit drive power supply (not shown) (for example, an AC / DC converter) via power switches 33a, 33b,... 33n. The electrical device shown in this example functions as follows. That is, if the electric devices 30a, 30b,... 30n are connected to the power supply 32, the driving power is applied, so that the clock is independent of the ON / OFF of the power switches 33a, 33b,. Three
.., 31n can keep the current time signal and can always supply the current time signal to each electric device. Therefore, each electric device can realize a timer function of turning on / off the drive power supply 32 at a preset time in the storage means (RAM) 34a, 34b,... 34n using the time signal. it can.

[0003]

However, the above-mentioned conventional electric appliances (home electric appliances) have the following two problems. In other words, even when the power switches 33a, 33b,... 33n of the home appliances are OFF, the built-in clock always operates so that the time can be kept accurate without interruption when connected to the power outlet. Consumes power. Further, even if the power cable of the drive power supply 32 of the home electric appliance is disconnected from the power outlet so as not to consume power by the built-in clock, energy saving is achieved.
The operation setting information (such as channel setting information in the case of video, temperature setting information in the case of an air conditioner, etc.) stored in the storage means (RAM) together with the time information inside the electric device is lost, and the power supply of the electric device is lost. Is turned on again, there is a problem that the time information and the operation setting information must be reset. The present invention has been made to solve the above-described problems of the conventional home electric appliances at the same time, and prevents unnecessary consumption of power by a clock inside the electric appliance, and stores operation setting information of the electric appliance to an external device. Turn off the power of electrical equipment by transferring and storing in storage means
When the power setting of the electric device is turned on, a time signal is supplied from the outside to the electric device, and as a result, the operation setting information of the electric device is re-input and the time is set. An object is to provide a power saving system that can eliminate the need for alignment.

[0004]

In order to solve the above-mentioned object, according to the present invention, there is provided a power saving system according to the present invention, which comprises a switch for selectively switching a connection between a power supply line of a plurality of electric devices and a power supply. Means, control means, clock means, and storage means. According to a second aspect of the power saving system according to the present invention, in the power saving system according to the first aspect, at least one input unit for setting power ON / OFF of each electric device is provided.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on illustrated embodiments. FIG. 1 is a functional block diagram showing an example of an embodiment of a power saving system of an electric device according to the present invention. The power saving system for electrical equipment shown in this example is
Centralized control device for multiple electrical devices 1a, 1b, ... 1n
6 and a power supply 32, and the other terminals are connected to the electric devices 1a and 1a.
b,... switches SW1, SW2,.
..Switching means 2 having SWn, clock 4 directly driven by power supply 32, and time adjustment for each electric device based on the time signal output from clock 4, and operation of each electric device The control unit 3 includes a control unit 3 for performing resetting, and an input unit 7 for inputting a power ON / OFF signal of each electric device to the control unit 3. The electric devices 1a, 1b, ... 1n are
Each of them is connected to the control means 3 via a communication line 8.

The power saving system shown in this example functions as follows. In addition, here, ON / OFF of the power supply of each electric equipment
Will be described. That is, the electric devices 1a, 1b,... Are input to the control means 3 using the input means 7 such as a keyboard.
・ Input the power ON / OFF setting signal for each 1n. For example, when a setting signal for turning off the power of the electric device 1a is input using the input means 7, the control means 3
The operation setting information is read out from the RAM 11a inside the electric device 1a via 8 and transferred to the storage means 5 for storage. The storage means 5
When the operation setting information of the electric device 1a is stored in the control unit 3, the control unit 3 transmits a switching signal for switching SW1, SW2,.
By turning on SW3,... SWn, the power supply to the electric device 1a is stopped, and the control for the electric device 1a is ended. When the power is again supplied to the electric device 1a to operate the electric device 1a, a setting signal for turning on the power is input to the control unit 3 using the input unit 7. Then, the control means 3 transmits a switching signal to the switching means 2 to turn on SW 1, and the electric device 1 a stored in the storage means 5 via the communication line 8.
Is supplied to the electric device 1a. Control means
Reference numeral 3 denotes a clock built in the electric device 1a which transmits a time adjustment control signal through the communication line 8 based on the time information input from the clock 4.
Supply 10a. Thus, the power of the electric device 1a is turned on.
In this case, the operation of manually resetting the operation setting information of the electric device 1a and manually adjusting the time of the clock 10a becomes unnecessary. Note that, for the other electric devices 1b, 1c,..., 1n as well, the central control device 6 performs the resetting function of the operation setting information and the time for the electric device 1b as in the control example for the electric device 1a described above. Control for the matching function can be performed.

As described above, in the power saving system for electric equipment according to the present invention, the central control device 6 can control ON / OFF of the power of each electric equipment, so that the clock inside each electric equipment is unnecessary. Power consumption can be prevented. Further, the central control device 6 is provided with the clock 4 and the storage means 5 to prevent the operation setting information and the time information from being lost when the power of each electric device is turned off, and to turn off the power of the electric device. It is not necessary to reset the time setting and the operation when the switch is turned on.

In the embodiment of the present invention described above, only one input means 7 connected to the central control device 6 is provided. However, the present invention is not limited to this example. For example, a configuration provided with a plurality of input means as shown in FIG. In this case, the input means 12a, 12b, ... 12n
Are connected to the communication line 8 near the places where the electric devices 1a, 1b,. The input means 12a, 12
b,... 12n to the control means 3 via the communication line 8 to the electric device 1
When the power ON / OFF setting signals of a, 1b,... 1n are input, the control means 3 supplies a time adjustment signal to each electric device via the communication line 8 based on the time information from the clock, and stores the memory. The operation setting information from the means is supplied to each electric device via the communication line 8. In this way, even if the installation location of each electrical equipment is considerably far from the installation location of the central control device, if it is located somewhere near the installation location of each electrical equipment, it is not necessary to go to the installation location of the central control device. As with the input means 7 of the centralized control device, there is an advantage that the power of each electric device can be turned on / off, and that the resetting of the time adjustment and the resetting of the operation are not required.

Although the power supply line 9 for supplying the power supply 32 and the communication line 8 for supplying the control signal are separately provided, the present invention is not limited to this example.
For example, a central control device 6 and a plurality of electric devices 1a, 1
If the communication line 8 between b,... 1n is a power line communication system in which the power line 9 can also be used, the wiring of the communication line 9 between the central control device 7 and the plurality of electric devices 1a, 1b,. There are advantages that can be made unnecessary. Here, as is well known, the power line communication system is configured such that a signal is spread and then superimposed on the power supply line 9 to transmit the signal and the power supply through one line. Since the description is complicated, detailed description is omitted.

[0010]

According to the present invention, as described above, the ON / OFF of the power of a plurality of electric devices is controlled using the centralized control device having a clock and a storage means, and the operation setting information of the plurality of electric devices is centrally controlled. The device can be stored and stored, and the time setting signal can be supplied to each electric device together with the operation setting signal. Therefore, even if several electric devices are connected to the power source, the built-in clock is unnecessary. This has the effect of saving power consumption and eliminating the need for resetting the operation setting information and resetting the time adjustment each time the power of each electric device is turned on.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment of a power saving system for electric equipment according to the present invention
Functional block diagram showing an embodiment of the present invention

FIG. 2 is a second view of the power saving system for electric equipment according to the present invention.
Functional block diagram showing an embodiment of the present invention

FIG. 3 is a functional block diagram showing a configuration example of a conventional electric device arranged in a home.

[Explanation of symbols]

 1a, 1b, ... 1n ... Electrical equipment 2 ... Switching means 3 ... Control means 4 ... Clock 5 ... Storage means 6 ... Central control device 7 ... Input means 8 ... Communication line 9 ...・ Power supply lines 10a, 10b, ... 10n ・ ・ Clock 11a, 11b, ・ ・ ・ 11n ・ ・ RAM 30a, 30b, ・ ・ ・ 30n ・ ・ Electric equipment 31a, 31b, ・ ・ ・ 31n ・ ・ Clock 32 ・・ Power supply AC100V 33a, 33b, ... 33n ・ ・ Power switch 34a, 34b, ... 34n ・ ・ RAM

Claims (2)

[Claims] A switching unit for selectively switching a connection between a power supply line of a plurality of electric devices and a power supply; a control unit;
A power saving system comprising a clock unit and a storage unit, wherein the control unit stores in advance power ON / OFF setting information, a time signal from the clock unit, and electric device setting information from the storage unit. A switching signal for controlling the switching means, a time signal for adjusting the time of a clock in each of the electric devices, and an operation setting signal for each of the electric devices, respectively, and generating the switching signal. Along with supplying to the switching means, the time signal and the electric device setting signal are supplied to each electric device via a communication line, and operation setting information stored inside each electric device is transmitted via a communication line. By transferring and storing in the storage means, the operation setting information and time information of each electric device are prevented from being lost when the power of each electric device is turned off. Vessel power-saving system of. 2. The power saving system for an electric device according to claim 1, further comprising at least one input unit for setting the control information.