JP2003032761A - Electrical appliance management system, in-house network system and broadcasting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically stop the power fed to the electrical appliances in a house altogether at the time of a disaster. SOLUTION: When alarm data are included in received TV signals and alarm signals from a local public body are received, the power feed control unit 109 of an electrical appliance management system checks whether or not region information inside the alarm data matches with the region information set in the electrical appliance management system. The power feed control unit 109 refers to an electrical appliance information list in the case that it matches and prepares power feed stoppage instruction data whose transmission destination is the electrical appliance, in the case that the electrical appliance for which a disaster level inside the alarm data exceeds a disaster durability level is present. A communication part 106 transmits the prepared power feed stoppage instruction data through a network 210 inside the house to the electric appliance.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an appliance management control device for managing and controlling appliances through a network.

[0002]

2. Description of the Related Art In the home, various electric appliances such as refrigerators, air conditioners, stoves, TVs, personal computers and washing machines are used to make people's lives comfortable and affluent. These electric appliances are usually turned on by a manual switch, a remote controller, or a timer.
OFF can be switched.

[0003]

However, these electric appliances have the following problems because they can be managed and controlled only individually. First, in the event of an unforeseen disaster such as a fire or an earthquake, people must turn off the power switches of dangerous electrical appliances one by one if they continue to supply power, and if this procedure is delayed, a secondary disaster will occur. May also occur.

If there are a large number of electric appliances, the usage situation cannot be grasped, so that they may not be noticed even if they are used improperly. For example, electric power may be wasted by forgetting to turn off the power switch of an electric appliance. Forgetting to turn off the power switch of a device such as an iron or a stove is not only a power consumption problem, but may also lead to an accident. Also, with an air conditioner having a cooling function,
There is an electric appliance such as an electric stove having a heating function, which does not make sense when used at the same time, or rather the effect is halved. When these electric appliances are used at the same time because the power switches are inadvertently turned on, power is wasted without the effects of their respective functions being achieved.

A first object of the present invention is to provide an electric appliance management apparatus capable of automatically stopping the power supply of electric appliances in a home in a disaster. A second object of the present invention is to provide an appliance management device capable of collectively managing the usage status of appliances and issuing a warning when there is improper usage.

[0006]

In order to solve the above-mentioned problems, the present invention is an appliance management device for managing and controlling an appliance capable of power supply control by a control signal received through a network, which comprises an alarm signal. And an electric power supply control means for generating a control signal for stopping the electric power supply to the electric appliance according to the result of the acquisition of the alarm signal by the alarm acquisition means, and the control signal through the network.
Alternatively, a transmission means for transmitting to two or more electric appliances is provided.

Further, the present invention is
An appliance management device that manages and controls an appliance that can transmit a signal indicating a usage state, and a status acquisition unit that acquires status information of an appliance connected to a network, and based on the acquired status information. , A state presenting means for presenting the use state of the electric appliance. Here, the state acquisition unit acquires the continuous use time for each electric appliance, the state presentation unit, a storage unit that stores in advance the continuous usable time for each electric appliance, the acquired continuous use time and the Based on the continuous usable time in the storage unit, for each electrical appliance, a determination unit that determines whether the continuous usable time exceeds the continuous usable time, and if it is determined that the continuous usable time exceeds the continuous usable time, And a warning generating unit for generating a warning.

Further, the status acquisition means acquires information on whether or not each electric appliance is in use, and the status presentation means is composed of two or more electric appliances which are inappropriate for simultaneous use. Whether the electric appliances included in the group are being used at the same time, based on a storage unit that stores information specifying a group in advance, and the acquired information on whether or not it is in use and the information specifying the group in the storage unit. It is characterized by including a determination unit for determining whether or not it and a warning generation unit for generating a warning when it is determined that the device is in use at the same time.

The present invention is also based on the MPEG System.
A broadcasting device for broadcasting a television signal conforming to the standard, which is a unit in which a television broadcasting signal is divided and stored
It comprises means for writing an alarm signal in the private area of the packet and means for transmitting the PES packet in which the alarm signal is written. Further, the present invention is a control system comprising one or more electric appliances and an electric appliance management device connected to the electric appliances via a network, wherein the electric appliance management device receives an alarm signal. An acquisition unit, a power supply control unit that generates a control signal for stopping power supply to an electric appliance according to an alarm signal acquisition result by the alarm acquisition unit, and the control signal is transmitted to one or more electric appliances through a network. It is characterized in that the electric appliance includes a means for receiving the control signal, and a means for stopping power supply to the own device when the control signal is received.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. <First Embodiment> The present embodiment relates to an electric appliance management device that stops power supply to an electric appliance connected to a home network when an alarm is received. (Structure) FIG. 1 shows the structure of a home network system according to the present embodiment. The home network system includes an electric appliance management device 100 and a home network 210 that connects the electric appliances 200 to each other.

The appliance management apparatus 100 is a TV-integrated apparatus that controls power supply, and includes a TV signal receiving unit 101 and
Display unit 102, alarm data extraction unit 103, alarm data storage unit 104, alarm signal reception unit 105, communication unit 1
06, an electric appliance information list storage unit 108, and a power supply control unit 109. The TV signal receiving unit 101 is
MPEG2 sent from broadcasting station via satellite 230
Receives a digital TV broadcast signal conforming to the System standard. A digital TV broadcast signal is a PES packet (Packet) that is a collection of variable-length data bytes.
It is transmitted in units of TS (Transport Stream) obtained by dividing the sized Elementary Stream.

FIG. 2 shows the structure of a PES packet. P
The ES packet is composed of a header part and a payload part (actual data part), and is a 16-byte P that is part of the header part.
The alarm data is written in the ES private data field. FIG. 3 shows the structure of alarm data. The alarm data includes a data ID, regional information, a disaster level, and a disaster type.

The data ID is for indicating that the private data is alarm data. The area information is represented by a code such as a postal code or a telephone number that can specify the area. The disaster level represents the magnitude of the disaster and is represented by level 1 (small disaster) to level 5 (major disaster).

The type of disaster is represented by a number that identifies the type of disaster, and the numbers 1, 2, and 3 represent earthquakes, typhoons, and tsunamis, respectively. The display unit 102 receives the received T
In addition to displaying TV program images from V broadcast signals,
If the TV broadcast signal includes alarm data, an alarm specifying the area information, disaster level, and disaster type is displayed.

The alarm data extraction unit 103 extracts alarm data in the TV signal. The alarm data storage unit 104 stores the extracted alarm data. Warning signal receiver 105
Receives an alarm signal sent from a local public entity through the cable net 220. The electric appliance information list storage unit 108 stores an electric appliance information list representing information on electric appliances connected to the home network.

FIG. 4 shows an electric appliance information list. Each electric appliance information in the electric appliance information list includes a product ID, a network address, an electric appliance type, an electric appliance name,
It consists of the disaster durability level. The product ID is for identifying each electric appliance. The network address is an address of an electric appliance in the home network 210, and is used as a destination when transmitting the power supply stop instruction data from the electric appliance management device.

The types of electrical appliances include televisions, air conditioners, refrigerators and the like. The electric appliance name is the name of the electric appliance and is composed of alphabets and numbers. The disaster durability level represents a limit level of disaster that an electric appliance can withstand, and when the disaster level exceeds this level, the electric appliance is turned off. The power feeding control unit 109 collectively controls power feeding of home electric appliances. That is,
The power supply control unit 109 performs the following processing when it receives an alarm signal from a local government and when the condition that the alarm data is stored in the alarm data storage unit 104 is satisfied.

The power supply control unit 109 checks whether or not the area information in the alarm data matches the area information set in the appliance management device, and if the area information matches, the electrification is performed. By referring to the product information list, it is checked whether or not there is an electric appliance whose disaster level in the alarm data exceeds the disaster durable level. When there is an electric appliance that exceeds the disaster durability level, the power feeding control unit 109 creates power feeding stop instruction data with the electric appliance as the destination, and transfers the data to the communication unit 106.

The communication unit 106 uses the home network 21.
Through 0, power supply stop instruction data is transmitted to the electric appliance 200. The electric appliance 200 includes a communication unit 201, an individual power supply control unit 202, and a switch 203. Communication unit 20
1 receives the power feed stop instruction data through the home network 210 and transfers it to the individual power feed control unit 202.

The individual power feeding control unit 202 opens and closes the switch 203 based on the signal received by the communication unit 201.
The switch 203 turns on or off the main power source of the electric appliance by opening and closing the switch. (Operation of Power Supply Stop Control) FIG. 5 is a flowchart showing an operation procedure of the power supply stop control.

First, the TV signal receiver 101 receives a TV signal (step S901). Next, when the received TV signal includes the alarm data, the alarm data extraction unit 103 stores the alarm data in the alarm data storage unit 104 (steps S902 and S903). The display unit 102 displays the video of the TV program on the basis of the received TV signal, and when the TV signal includes the alarm data, the area information, the disaster level, and the disaster information included in the alarm data are displayed. An alarm indicating the occurrence of a disaster represented by type is displayed (step S904).

Until the alarm signal receiving unit 105 receives the alarm signal from the local public entity (step S905) and the condition that the alarm data is stored in the alarm data storage unit 104 (step S906) is satisfied. The processing of steps S901 to S906 is repeated. When the power supply control unit 109 receives an alarm signal from a local public entity and the condition that the alarm data is stored in the alarm data storage unit 104 is satisfied, the area information in the alarm data indicates the electric appliance. It is checked whether or not it matches the area information set in the management device (step S907).

When the power supply control unit 109 matches the area information, referring to the electric appliance information list, whether there is an electric appliance whose disaster level in the alarm data exceeds the disaster durable level. Check whether or not (step S90)
8). If there is an electrical appliance that exceeds the disaster durability level, the power feeding control unit 109 creates power feeding stop instruction data with the electrical appliance as the destination, and the communication unit 106 writes the created power feeding stop instruction data. Home network 210
Through (step S909).

The power switch of the appliance management device is turned off
Unless otherwise, the processes of steps S901 to S909 described above are repeated. (Summary) As described above, according to the appliance management apparatus of the present embodiment, the power feeding control unit 109 receives the warning signal from the local public entity, and the TV signal includes the warning data. In this case, the area information in the alarm data matches the area information set in the appliance management device,
Also, it is checked whether there is an appliance whose disaster level in the alarm data exceeds the disaster durability level. If there is an electrical appliance that exceeds the disaster durability level, the power feeding control unit 109 creates power feeding stop instruction data with that electrical appliance as the destination, and the communication unit 106 writes the created power feeding stop instruction data. It is transmitted through the home network 210. Therefore, in the event of a disaster or the like, it is possible to automatically stop the power supply to all household appliances in a batch, so that it is possible to prevent a secondary disaster from occurring. <Second Embodiment> The present embodiment relates to an electric appliance management device that puts an electric appliance connected to a home network into a standby state when an alarm is received and releases the standby state when an alarm release is received. . (Structure) FIG. 6 shows a structure of a home network according to the present embodiment. The appliance management device 100 includes a TV signal receiving unit 301, a display unit 302, and an alarm data extracting unit 3.
03, an alarm data storage unit 304, and an alarm signal receiving unit 3
05, the communication unit 306, and the electrical appliance information list storage unit 1
08, a power feeding control unit 309, and a control history information list storage unit 310.

The TV signal receiving section 301 is an MPEG2 System transmitted from a broadcasting station through a satellite 230.
Receive a digital TV broadcast signal conforming to the standard. Here, alarm data or alarm cancellation data may be written in the PES private data field of the digital TV broadcast signal. The alarm data is the same as that of the first embodiment. FIG. 7 shows the structure of alarm cancellation data. The alarm cancellation data is composed of a data ID and area information.

The data ID is for indicating that the private data is alarm release data. The area information is represented by a code that can identify the area, such as a zip code or a telephone number, and represents the area where the alarm is released. Display 3
02 displays the video of the TV program from the received TV broadcast signal, and when the alarm data is included, displays an alarm notifying the occurrence of the disaster specified by the region, disaster level, and type of disaster. If the alarm release data is included, the fact that the alarm has been released is displayed together with the area.

The alarm data extraction unit 303 extracts alarm data or alarm cancellation data in the TV signal. The alarm data storage unit 304 stores the extracted alarm data or alarm cancellation data. The alarm signal receiving unit 305 receives an alarm signal or an alarm cancellation signal sent from a local public entity through the cable net 220.

The electrical appliance information list storage unit 108 stores an electrical appliance information list showing information on electrical appliances connected to the home network. Power feeding control unit 309
Controls the power supply of home appliances at once. That is, the power feeding control unit 309 performs the following processing when the warning signal from the local public entity is received and the condition that the warning data is stored in the warning data storage unit 104 is satisfied. The power feeding control unit 309 checks whether or not the regional information in the alarm data matches the regional information set in the electrical appliance management device. If the regional information matches, the electrical appliance information is determined. Check the list to see if there are any appliances whose disaster level in the alert data exceeds the disaster durability level. When there is an electric appliance that exceeds the disaster durable level, the power feeding control unit 309 creates standby instruction data with the electric appliance as the transmission destination, and transfers the standby instruction data to the communication unit 306.

Further, the power feeding control unit 309 receives an alarm cancellation signal from a local public entity, and the alarm data storage unit 3
When the condition that the alarm release data is stored in 04 is satisfied, the following processing is performed. The power feeding control unit 309 checks whether the area information in the alarm release data matches the area information set in the electric appliance management device,
If the area information matches, the control history information list is referred to check whether or not there is an appliance for which standby control has been performed. When there is an electric appliance for which standby control has been performed, the power feeding control unit 309 creates standby cancellation instruction data with the electric appliance as the transmission destination, and the communication unit 306.
Transfer to.

Further, when the power supply control unit 309 creates and transfers the standby instruction data as described above, it adds the control history information representing the standby control to the control history information list and creates and transfers the standby release instruction data. At times, control history information indicating standby release control is added to the control history information list. The control history information list storage unit 110 stores a control history information list representing a history of power supply control. FIG. 8 shows a control history information list. Each control track information in the control history information list is composed of a control target, control time, and control content.

The control target is represented by a product ID that identifies the electrical appliance that has transmitted the standby instruction data or the standby cancellation instruction data. It is represented by the control time and the time when the standby instruction data or the standby cancellation instruction data is transmitted. The control content is represented by standby control or standby release control.

The communication unit 306 is used for the home network 21.
0 to transmit standby instruction data or standby cancellation instruction data to the electric appliance 200. The electric appliance 400 includes a communication unit 401, an individual power supply control unit 402,
And a switch 403. The communication unit 401 receives the standby instruction data or the standby cancellation instruction data through the home network 210 and transfers the standby instruction data or the standby cancellation instruction data to the individual power feeding control unit 402.

When receiving the standby instruction data, the individual power supply control section 402 sets the standby state, and when receiving the standby cancellation instruction data, cancels the standby state. (Operation of Standby Control) FIG. 9 is a flowchart showing an operation procedure of standby control. First, the TV signal receiving unit 101 receives a TV signal (step S80).
1).

Next, when the received TV signal includes alarm data, the alarm data extraction unit 103 stores the alarm data in the alarm data storage unit 104 (steps S802 and S803). The display unit 102 receives the T
The video of the TV program is displayed based on the V signal, and when the alarm data is included, the alarm including the regional information, the disaster level, and the type of disaster included in the alarm data is displayed (step S804). . A warning signal receiver 1
05 receives the warning signal from the local public entity (step S805) and the processing of steps S801 to S806 until the condition that the warning data is stored in the warning data storage unit 104 (step S806) is satisfied. Is repeated.

When the power supply control unit 109 receives the alarm signal from the local public entity and the condition that the alarm data is stored in the alarm data storage unit 104 is satisfied, the regional information in the alarm data is It is checked whether or not it matches the area information set in the appliance management apparatus (step S807). When the area information matches, the power feeding control unit 109 refers to the electrical appliance information list to check whether there is an electrical appliance whose disaster level in the alarm data exceeds the disaster durable level. Examine (step S80
8).

When there is an electric appliance that exceeds the disaster durability level, the power feeding control unit 109 creates standby instruction data with the electric appliance as the transmission destination, and the communication unit 106.
Transmits the created standby instruction data through the home network 210 (step S809). Then, in the control history information list, the power feeding control unit 109 sets the control target column to the product ID of the electrical appliance that is the destination of the standby instruction data, the control time column to the time when the data is transmitted, and the control content column to the standby state. New control history information such as is added (step S810).

The power switch of the appliance management device is off
Unless otherwise, the processes of steps S801 to S810 described above are repeated. (Operation of Standby Release Control) FIG. 10 is a flowchart showing an operation procedure of the standby release control. First, T
The V signal receiver 101 receives a TV signal (step S1001).

Next, when the received TV signal includes the alarm cancellation data, the alarm data extraction unit 103 stores the alarm cancellation data in the alarm data storage unit 104 (steps S1002 and S1003). Display unit 102
However, based on the TV signal, the TV image is displayed, and if the alarm release data is included, the alarm release including the area information included in the alarm release data is displayed (step S1004).

The condition that the alarm signal receiving unit 105 receives the alarm release signal from the local public entity (step S1005) and the alarm release data is stored in the alarm data storage unit 104 (step S1006) is satisfied. Until then, the processes of steps S1001 to S1006 are repeated. When the power supply control unit 109 receives the alarm release signal from the local government and the condition that the alarm release data is stored in the alarm data storage unit 104 is satisfied, the regional information in the alarm release data is It is checked whether or not it matches the area information set in the appliance management device (step S1007).

When the area information matches, the power feeding control unit 109 refers to the control history information list to check whether there is an electric appliance for which standby control has been performed (step S1008). When there is an electric appliance for which a standby instruction has been issued, the power feeding control unit 109 creates standby cancellation instruction data with the electric appliance as the destination, and the communication unit 1
06 transmits the created standby release instruction data through the home network 210 (step S10).
09).

In the control history information list, the power feeding control unit 109 sets the control target column to the product ID of the electric appliance to which the standby release instruction data is transmitted, and the control time column to the time when the data is transmitted. New control history information is added such that the content column is released from standby (step S1010). Then, unless the power switch of the appliance management apparatus is turned off, the above step S10 is performed.
The processing from 01 to S1010 is repeated. (Summary) The power feeding control unit 309 receives the warning signal from the local public entity, and when the TV signal includes the warning data, the area information in the warning data is set in the electric appliance management device. Check whether there is an appliance that matches the local information provided and the disaster level in the alert data exceeds the disaster durable level. Power feeding control unit 309
If there is an electric appliance that exceeds the disaster durable level, the standby electric power generation apparatus creates standby instruction data with the electric appliance as a transmission destination, and transfers the standby instruction data to the communication unit 306.

Further, when the power supply control unit 309 receives the alarm release signal from the local public entity and the TV signal includes the alarm release data, the area information in the alarm release data indicates the electrification. It is checked whether or not there is an electric appliance that matches the area information set in the product management apparatus and refers to the control history information list to perform standby control. When there is an electric appliance for which standby control has been performed, the power feeding control unit 309 creates standby cancellation instruction data with the electric appliance as a transmission destination, and transfers the standby cancellation instruction data to the communication unit 306. Therefore, the normal state can be automatically restored.

Therefore, in the event of a disaster or the like, it is possible to automatically put all the electric appliances in the home into a standby state, so that it is possible to prevent the occurrence of a secondary disaster and reduce the risk of the disaster stopping. When this happens, you can return to the original state by automatically canceling the standby state, which is excellent in convenience. <Third Embodiment> The present embodiment relates to a home network system that issues a warning when there is an electric appliance that has been used for a long time. (Structure) FIG. 11 shows a structure of a home network system according to the present embodiment.

The appliance management apparatus 500 includes a TV signal receiving section 501, a display section 502, and a usage status acquisition section 507.
The electrical appliance information list storage unit 508, the usage status list storage unit 509, the improper use processing unit 505, and the communication unit 506. The TV signal receiving unit 501 receives the MPEG2 S transmitted from the broadcasting station through the satellite 230.
Receives a digital TV broadcast signal conforming to the system standard.

The electric appliance information list storage unit 508 stores an electric appliance information list representing information on electric appliances connected to the home network. FIG. 12 shows an electric appliance information list. Each piece of electric appliance information in the electric appliance information list includes a product ID, a network address, an electric appliance type, an electric appliance name, and a continuous use allowable time. The product ID, the network address, the type of electrical appliance, and the electrical appliance name are the same as in the first embodiment.

The allowable continuous use time represents a limit time during which the electric appliance can be continuously used, and when the continuous use time exceeds the allowable time, a warning is displayed.
The usage status list storage unit 509 stores a usage status list indicating usage statuses of electrical appliances connected to the home network. FIG. 13 shows a usage status list. Each usage status in the usage status list includes the product ID, status, and
It consists of continuous use time.

The state is represented as ON when the electric appliance is in use (switch is ON) and is OFF when not in use (switch is OFF).
The continuous use time is represented by a multiple of α. This is because the usage state is investigated every α time interval. The usage status acquisition unit 107 transmits status inquiry data at every α time interval, and performs the following processing depending on the presence or absence of a reply. The usage status acquisition unit 107 determines that the current status of the electrical appliance that has transmitted the response data is ON, writes ON in the status column of the electrical appliance in the usage status list, and determines the previous status of the electrical appliance. If the status is ON,
The value obtained by adding α to the previous time is written in the continuous usage time column of the appliance in the usage status list, and the previous status is OF.
In the case of F, 0 is written. Usage status acquisition unit 107
Determines that the current state of an electric appliance that has not sent reply data is OFF, and writes OFF in the status column of the electric appliance in the usage status list.

The improper use processing unit 505 refers to the electric appliance information list to check whether there is an electric appliance for which the continuous use time exceeds the continuous use allowable time, and determines whether the continuous use time is the continuous allowable time If there is an electric appliance that exceeds the limit, the display unit 502 displays a warning that the continuous use time of the electric appliance exceeds the allowable continuous use time. The display unit 502 displays the video of the TV program from the received TV broadcast signal, and warns that the continuous use time of the electric appliance exceeds the allowable continuous use time based on the instruction of the inappropriate use processing unit 505. Is displayed.

The communication unit 506 is used for the home network 21.
0, the status inquiry data is transmitted to each electric appliance and the response data is received from each electric appliance.
The electric appliance 600 includes a communication unit 601 and a status response unit 602.
And a switch 603. When the communication unit 601 receives the status inquiry data through the home network 210, the communication unit 601 transfers the status inquiry data to the status reply unit 602, and the status reply unit 60.
When the status response data is received from 2, it is transmitted to the appliance management apparatus 500 through the home network 210.

Upon receiving the status inquiry data, the status reply section 602 confirms that the switch 203 is ON, creates reply data indicating that the switch 203 is ON, and
Transfer to the communication unit 601. The switch 203 turns on or off the main power source of the electric appliance by opening and closing the switch. (Operation of Continuous Use Warning Process) FIG. 14 is a flowchart showing the operation procedure of the continuous use warning process.

The usage status acquisition unit 507 performs continuous usage time calculation processing at every α time interval (step S120).
1, S1202). This continuous use time calculation process is shown in FIG.
It will be described according to the flowchart shown in. The usage status acquisition unit 507 transmits status inquiry data (step S1301).

The usage status acquisition unit 507 determines that the current status of the electrical appliance that has transmitted the response data is ON, and writes ON in the status column of the appliance in the usage status list (steps S1302 and S1303). ). And
When the previous state of the electrical appliance is ON, the usage state acquisition unit 507 writes a value obtained by adding α to the previous time in the continuous usage time column of the electrical appliance in the usage state list (steps S1305 and S1306). ), The last state was O
In the case of FF, 0 is written (step S1305,
S1307).

The usage status acquisition unit 507 determines that the current status of an electric appliance that has not transmitted reply data is OFF, and the OF status is indicated in the status column of the appliance in the usage status list.
F is written (steps S1302 and S1304). Next, the improper use processing unit 505 refers to the electric appliance information list to check whether there is an electric appliance for which the continuous use time exceeds the continuous use allowable time (step S120).
3).

If the improper use processing unit 505 has an electric appliance for which the continuous use time exceeds the continuous allowable time, the continuous use time of the electric appliance exceeds the continuous allowable use time. A warning to that effect is displayed (step S
1204). Then, unless the power switch of the appliance management device is turned off, the above-described steps S1201 to S1201
The process of S1204 is repeated. (Summary) As described above, according to the home network system of this embodiment, the inappropriate use processing unit 505 is used.
However, referring to the electrical appliance information list, if there is an electrical appliance whose continuous usage time exceeds the allowable continuous usage time,
Since a warning is displayed that the continuous use time of the electric appliance exceeds the allowable continuous use time, it is possible to prevent waste and accidents caused by forgetting to turn off. <Fourth Embodiment> The present embodiment relates to a home network system that issues a warning when two or more electric appliances that are inappropriate to use at the same time are used. (Structure) The structure of this embodiment is almost the same as that of the third embodiment. The differences will be described below.

The electric appliance information list storage unit 508 stores an electric appliance information list representing information on electric appliances connected to the home network. FIG. 16 shows an electric appliance information list. Each electric appliance information in the electric appliance information list is composed of a product ID, a network address, an electric appliance type, an electric appliance name, and an exclusive use group. The product ID, the network address, the type of electrical appliance, and the electrical appliance name are the same as in the first embodiment.

The exclusive use group is a group made up of two or more electric appliances which are inappropriate for simultaneous use. As shown in FIG. 16, the appliances belonging to Group 1 are a stove and a fan in the same room. This is because one of them has a heating function and the other has a cooling function, there is no need to use them at the same time, and it is considered that the power switch was accidentally turned on. The appliances belonging to group 2 are a stove and a refrigerator in the same room, and the reason is the same as in group 1.

The usage status list storage unit 509 stores a usage status list indicating the usage status of electrical appliances connected to the home network. FIG. 17 shows a usage status list. Each usage status in the usage status list is the product ID
And the state, which are the same as those in the third embodiment. The usage status acquisition unit 107
Status inquiry data is transmitted at each time interval, and the following processing is performed depending on the presence or absence of a reply. Usage status acquisition unit 107
Determines that the current state of the electrical appliance that has transmitted the response data is ON, and writes ON in the status column of the electrical appliance in the usage status list. The usage status acquisition unit 107
An electric appliance that has not transmitted reply data determines that the current status is OFF, and writes OFF in the status column of the electric appliance in the usage status list.

The improper use processing unit 505 refers to the electric appliance information list to check whether two or more electric appliances belonging to the exclusive use group are in use at the same time and belong to the exclusive use group. When two or more electric appliances are in use at the same time, the display unit 502 displays a warning that the electric appliances are being used at the same time. The display unit 502 displays the video of the TV program from the received TV broadcast signal, and specifies the electrical appliance determined by the inappropriate use processing unit 505 to display the inappropriate use.

The electric appliance 600 includes a communication unit 601, a status response unit 602, and a switch 603, each of which is the same as that of the third embodiment. (Operation of Simultaneous Use Warning Process) FIG. 18 is a flowchart showing the operation procedure of the simultaneous use warning process. The usage status acquisition unit 107 performs status detection processing at every α time interval (steps S1401 and S1402). This state detection processing will be described according to the flowchart shown in FIG.

The usage status acquisition unit 507 transmits status inquiry data (step S1501). The electrical appliances that the usage status acquisition unit 507 has sent the response data to are
It is determined that the current status is ON, and ON is written in the status column of the electric appliance in the usage status list (step S15).
02, S1503).

The usage status acquisition unit 507 determines that the current status of an electric appliance that has not transmitted reply data is OFF, and the OF status is indicated in the status column of the appliance in the usage status list.
F is written (steps S1502 and S1504). Next, the improper use processing unit 505 refers to the electric appliance information list to check whether or not two or more electric appliances belonging to the exclusive use group are simultaneously in use (step S1403).

If two or more electric appliances belonging to the exclusive use group are in use at the same time, the improper use processing unit 505 displays a warning that the electric appliances are being used at the same time. Yes (step S1404). Then, unless the power switch of the appliance management device is turned off, the processing of steps S1401 to S1404 described above is repeated. (Summary) As described above, according to the home network system of this embodiment, the inappropriate use processing unit 505 is used.
However, referring to the usage status list and electrical equipment information list,
When two or more electric appliances belonging to the exclusive use group are in use at the same time, the display unit 502 displays a warning that the electric appliances are being used at the same time.
It is possible to make the user aware of the useless use. <Modification> The embodiment of the present invention has been described above, but the present invention is not limited to the above-described embodiment, and includes, for example, the following modifications.

(1) Reception of Warning In the first and second embodiments, power supply control is performed only when a warning is received from both the broadcasting station and the local public entity.
Power supply control may be performed when only one is received. (2) Broadcast transmission In the first and second embodiments, the power supply stop instruction data or the standby instruction data is transmitted only to the electric appliances whose disaster level exceeds the disaster durability level. In the second embodiment, , The standby release instruction data is transmitted only to the electric appliances having the standby control history, but the present invention is not limited to this. Regardless of the disaster durability level and control history of each electric appliance, these instruction data may be broadcasted to all the electric appliances connected to the home network.

(3) State of Use In the first and second embodiments as well, like the third and fourth embodiments, the state of use of an electric appliance is acquired, and only the electric appliance in the state of use is acquired. The power supply stop instruction data and the standby instruction data may be transmitted, and the standby cancellation instruction data may be transmitted only to the electric appliances in the unused state.

(4) Warning Data In the first and second embodiments, the warning data includes regional information and a disaster level, and whether power supply control is performed or not is determined by these, but the present invention is not limited to this. Absent. The alarm data may include only the alarm ID, and the power supply control may be performed when the alarm data is received.

(5) Alarm Release In the second embodiment, the alarm release data, which is a different type of data from the alarm data, is received.
When the alarm data is no longer included in the signal, or when the disaster level in the alarm data becomes equal to or lower than a predetermined level, it may be determined that the alarm is released.

(6) Acquisition of Usage Status of Electric Appliances In the third and fourth embodiments, the electric appliance management device periodically sends status inquiry data, but the electric appliances themselves notify the status. May be sent periodically. (7) Permissible Continuous Use Time In the third embodiment, the allowable continuous use time is described as being determined for each electric appliance, but for all electric appliances, the allowable continuous use time is set to a constant value. Good.

(8) User Setting In the third and fourth embodiments, the allowable continuous use time and the electrical appliances belonging to the exclusive use group have been described as being predetermined, but the user can set them by himself. It may be one. For example, in the fourth embodiment, a user who does not use the TV and the radio at the same time can set the TV and the radio as the appliances belonging to the exclusive use group.

(9) Power supply stop control for improper use In the third and fourth embodiments, the warning is displayed when the electric appliance is improperly used, but the warning is displayed. The power supply stop instruction data or the standby instruction data may be transmitted together with or without displaying the warning.

(10) Warning In the third and fourth embodiments, the warning is displayed. However, the present invention is not limited to this, and the notification may be a voice notification or simply an alarm sound. . (11) Network Configuration A power line network may be used as the home network. FIG. 20 shows the configuration of a home network system using power lines. As shown in the figure, the power line network modem 701 separates and integrates data and power.

Furthermore, not only the home network,
Warnings from broadcasting stations and local governments may also be transmitted through the power line network. (12) Device Configuration In the above embodiment, the electric appliance management device has been described as a TV integrated type, but the present invention is not limited to this.
It may be independent of V. Further, the electric appliance management device may be integrated with another electric appliance, such as a refrigerator.

[0072]

As is apparent from the above description, the present invention is an appliance management device for managing and controlling an appliance capable of power supply control by a control signal received through a network, and an alarm for obtaining an alarm signal. An acquisition unit, and a power supply control unit that generates a control signal for stopping the power supply of the electric appliance according to the result of the acquisition of the alarm signal by the alarm acquisition unit,
And a transmission means for transmitting the control signal to one or more electric appliances through a network.

As a result, when a warning signal is acquired in the event of a disaster, a control signal for stopping the power supply to the electric appliances is created and transmitted to the electric appliances. It is possible to prevent disasters. Here, the alarm acquisition unit includes a television signal receiving unit that receives a television signal in which an alarm signal is embedded, and a separating unit that separates the alarm signal from the received television signal.

As a result, the alarm signal can be acquired as long as the television signal is received, so that the alarm signal can be easily and surely acquired. Further, the alarm acquisition unit further includes an alarm receiving unit for receiving an alarm signal different from the TV signal, and the power supply control unit receives the TV signal embedded with the alarm signal in the TV signal receiving unit, Moreover, the control signal for stopping the power supply is generated only when the warning signal is received by the warning receiving unit.

As a result, the electric power supply to the electric appliance is stopped only when the alarms from the two routes are acquired and the certainty of the occurrence of the disaster is high, so that the electric power supply to the electric appliance is erroneously stopped due to a false alarm. Here, the alarm signal includes information indicating a region, and the power feeding control unit supplies power only when the usage region set in the own device matches the region in the alarm signal. It is characterized by generating a control signal for stopping the.

As a result, power supply is stopped only for electric appliances located in a dangerous area, so that unnecessary power supply stop can be prevented. Here, the alarm signal includes information indicating a disaster level, and the power feeding control unit generates a control signal for stopping power feeding only when the disaster level is a predetermined value or more.

As a result, the power supply to the electric appliance is stopped only when there is a possibility of a secondary disaster if the power supply to the disaster level is high and the power supply is continued as it is, so that unnecessary power supply stop can be prevented. Here, the electric appliance management device further includes means for pre-storing a limit level that can withstand a disaster for each electric appliance connected by a network, and the alarm signal includes information indicating a disaster level, The transmission means transmits the generated control signal only to an electric appliance whose disaster level exceeds the limit level.

As a result, the power supply is stopped only for the electric appliances which may cause a secondary disaster if the disaster level exceeds the disaster durability level and the power supply is continued as it is, so that the unnecessary power supply stop can be prevented. Here, the electric appliance management device further includes means for acquiring information on whether or not an electric appliance connected by a network is being fed, and the transmitting means generates only for an electric appliance being fed. And transmitting a controlled signal.

As a result, since the control signal for stopping the power supply is transmitted only to the electric appliance which is supplying the power, it is possible to eliminate the unnecessary transmission of the control signal. Further, the present invention is an appliance management device for managing and controlling an appliance capable of power supply control by a control signal received via a network,
An alarm acquisition unit that acquires an alarm signal, a power supply control unit that generates a control signal that puts an electric appliance in a standby state when the alarm signal is acquired, and the control signal is transmitted to one or more electric appliances through a network. And a transmission means.

As a result, the electric appliance management device creates a control signal for putting the electric appliances in the standby state when an alarm signal is acquired in the event of a disaster and transmits the control signals to the electric appliances, so that the electric power consumption of the electric appliances is automatically collected. Can be reduced and secondary disasters can be prevented. Here, the appliance management apparatus further includes an alarm cancellation acquisition unit that acquires an alarm cancellation signal, and the power supply control unit, when acquiring the alarm cancellation signal, a control signal that cancels the standby state of the appliance. And the transmitting means transmits the control signal.

As a result, the stamped state of the electric appliance is canceled when the alarm cancellation signal is obtained, so that the electric appliance can be automatically returned to the normal state when the disaster is subsided and the danger is reduced. Here, the electric appliance management device is further configured such that when the power supply control unit stops acquiring the alarm signal or when the disaster level included in the alarm signal is less than a certain value, It is characterized in that a control signal for releasing the standby state is generated, and the transmitting means transmits the control signal.

As a result, when the alarm signal is no longer obtained or the disaster level in the alarm signal becomes low, the stamped state of the electric appliances is released, so that when the disaster subsides and the risk decreases. , The appliances can be automatically returned to the normal condition. Further, the present invention is
An appliance management device that manages and controls an appliance that can transmit a signal indicating a usage status through a network, and a status acquisition unit that acquires status information of the appliance connected to the network, and the acquired status information. And a state presenting means for presenting the use state of the electric appliance based on the above.

As a result, it is possible to centrally manage the usage states of many electric appliances at one place. Here, the state acquisition unit acquires the continuous use time for each electric appliance, the state presentation unit, a storage unit that stores in advance the continuous usable time for each electric appliance, the acquired continuous use time and the Based on the continuous usable time in the storage unit, for each electrical appliance, a determination unit that determines whether the continuous usable time exceeds the continuous usable time, and if it is determined that the continuous usable time exceeds the continuous usable time, And a warning generating unit for generating a warning.

As a result, a warning is issued when the electric appliance is continuously used for a long time, so that attention can be paid to forgetting to turn off the power switch of the electric appliance. Here, the state acquisition means, for each electrical appliance,
The information indicating whether or not it is being used, and the state presenting means stores the information for specifying a group made up of two or more electric appliances that are inappropriate to use at the same time in advance, and the acquired information. A determination unit that determines whether or not the electric appliances included in the group are in use at the same time based on the information indicating whether or not they are in use and the information that identifies the group in the storage unit, and it is determined that they are in use at the same time In this case, a warning generation unit for generating a warning is included.

As a result, a warning is issued when two or more electric appliances that are inappropriate to use at the same time are used, so that attention can be paid to meaningless simultaneous use. Here, the appliance management device further includes
A means for designating two or more electric appliances which are deemed to be inappropriate to use at the same time by a user operation, and a means for writing information for specifying a group consisting of the designated electric appliances in the storage means. Is characterized by.

As a result, it is possible to specify the electric appliances that are inappropriate to use at the same time according to the usage mode of the electric appliances for each user, which is excellent in convenience.
Here, the electric appliance management device further includes means for generating a control signal for stopping power supply to the electric appliance when judged by the judging means, and transmitting means for transmitting the control signal. Characterize.

As a result, when the electric appliances are continuously used for a long time, or when two or more electric appliances which are inappropriate to use at the same time are used, the power supply to those electric appliances is stopped. Since the control signal to be generated is generated and transmitted to the electric appliance, it is possible to prevent the occurrence of an accident and the wasteful consumption of electric power due to the continuous power supply of the electric appliance. here,
The appliance management device is characterized by including means for displaying an image of the received television signal.

As a result, the power switch of the appliance management device is turned on for viewing the television. At home, the power switch of the television is generally always turned on, and it can be said that the alarm can be certainly acquired. There is also an advantage that one TV signal receiving unit can both acquire a TV image and an alarm. Further, the present invention is a broadcasting apparatus for broadcasting a television signal compliant with the MPEG System standard, wherein the warning signal is written in a private area of a PES packet which is a unit in which the television broadcasting signal is divided and stored, And a means for transmitting the PES packet in which is written.

As a result, the alarm is sent by being included in the television signal that can be received by almost any home, so that the alarm can be easily and surely sent to each home. Further, the present invention is a control system comprising one or more electric appliances and an electric appliance management device connected to the electric appliances via a network, wherein the electric appliance management device receives an alarm signal. An acquisition unit, a power supply control unit that generates a control signal for stopping power supply to an electric appliance according to an alarm signal acquisition result by the alarm acquisition unit, and the control signal is transmitted to one or more electric appliances through a network. It is characterized in that the electric appliance includes a means for receiving the control signal, and a means for stopping power supply to the own device when the control signal is received.

As a result, the appliance management apparatus creates a control signal for stopping the power supply to the appliance when an alarm signal is acquired in the event of a disaster and sends the control signal to the appliance. Since the power supply is stopped, the secondary disaster can be prevented quickly. Further, the present invention is an electric appliance management method for managing and controlling an electric appliance capable of power supply control by a control signal received through a network, which comprises an alarm acquisition step of acquiring an alarm signal and an alarm signal acquisition by an alarm acquisition means. The method is characterized by including a power feeding control step of generating a control signal for stopping the power feeding of the electric appliance according to the result, and a transmitting step of transmitting the control signal to one or more electric appliances through a network.

As a result, when a warning signal is acquired in the event of a disaster, a control signal for stopping the power supply to the electric appliances is created and transmitted to the electric appliances. It is possible to prevent disasters. Further, the present invention is an electric appliance management method for managing and controlling an electric appliance capable of transmitting a signal indicating a usage state through a network, and acquiring a continuous use time for each electric appliance connected to the network. Based on the step, the acquired continuous use time, and the continuous use time in the storage unit that stores the continuous use time for each electric appliance in advance, the continuous use time exceeds the continuous use time for each electric appliance. A determination step for determining whether or not
And a warning generation step for generating a warning when it is determined that the number of times exceeds.

As a result, when the electric appliance is continuously used for a long time, a warning is issued, so that the user can be alerted to forgetting to turn off the power switch of the electric appliance. Further, the present invention is an electric appliance management method for managing and controlling an electric appliance capable of transmitting a signal indicating a usage state through a network, and information on whether or not each electric appliance connected to the network is in use. A group in a storage unit that stores in advance a state acquisition step for acquiring, the acquired information on whether or not the terminal is in use, and information for specifying a group composed of two or more electric appliances that are inappropriate for simultaneous use. A determination step of determining whether or not the electric appliances included in the group are being used at the same time based on the specifying information; and a warning generation step of generating a warning when it is determined that the electric appliances are in excess. It is characterized by

As a result, a warning is issued when two or more electric appliances which are inappropriate to be used at the same time are used, so that attention can be paid to meaningless simultaneous use. Further, the present invention provides a computer for managing and controlling an electric appliance capable of power supply control by a control signal received through a network, according to an alarm acquisition unit that acquires an alarm signal, and an alarm signal acquisition result by the alarm acquisition unit. And a power supply control means for generating a control signal for stopping the power supply to the electric appliance and a transmission means for transmitting the control signal to one or more electric appliances through a network.

As a result, when a warning signal is acquired in the event of a disaster, a control signal for stopping the power supply to the electric appliances is created and transmitted to the electric appliances. It is possible to prevent disasters. In addition, the present invention provides a state in which a computer for managing and controlling an electric appliance capable of transmitting a signal indicating a use state is acquired through a network to obtain information as to whether or not each electric appliance connected to the network is in use. Acquisition means and storage means for storing in advance information specifying a group of two or more electric appliances that are inappropriate to use at the same time;
Based on the acquired information on whether or not it is in use and information for identifying a group in the storage means, a determination means for determining whether or not the electric appliances included in the group are in use at the same time, It is an electric appliance management program for functioning as a warning generating means for generating a warning when it is determined that the warning occurs.

As a result, when the electric appliance is continuously used for a long period of time, a warning is issued, so that it is possible to call attention to forgetting to turn off the power switch of the electric appliance. Further, the present invention is a program for managing and controlling an electric appliance capable of transmitting a signal indicating a use state through a network, and a state of acquiring information on whether or not each electric appliance connected to the network is in use. Acquisition means,
Storage means for storing in advance information identifying a group of two or more electric appliances that are inappropriate to use at the same time, the acquired information indicating whether or not the appliance is in use, and the group in the storage means Based on the information to be determined, in order to function as a determination unit that determines whether or not the electric appliances included in the group are being used at the same time, and a warning generation unit that issues a warning when it is determined that the electrical appliances are in excess. It is an electric appliance management program of.

As a result, a warning is issued when two or more electric appliances that are inappropriate to use at the same time are used, so that it is possible to call attention to meaningless simultaneous use.

[Brief description of drawings]

FIG. 1 shows the configuration of a home network system.

FIG. 2 shows a structure of a PES packet.

FIG. 3 shows a structure of alarm data.

FIG. 4 shows an electrical appliance information list.

FIG. 5 is a flowchart showing an operation procedure of power supply stop control.

FIG. 6 shows a configuration of a home network.

FIG. 7 shows a structure of alarm release data.

FIG. 8 shows a control history information list.

FIG. 9 is a flowchart showing an operation procedure of standby control.

FIG. 10 is a flowchart showing an operation procedure of standby release control.

FIG. 11 shows a configuration of a home network system.

FIG. 12 shows an electrical appliance information list.

FIG. 13 shows a usage status list.

FIG. 14 is a flowchart showing an operation procedure of continuous use warning processing.

FIG. 15 is a flowchart showing an operation procedure of a continuous use time calculation process.

FIG. 16 shows an electrical appliance information list.

FIG. 17 shows a usage status list.

FIG. 18 is a flowchart showing an operation procedure of simultaneous use warning processing.

FIG. 19 is a flowchart showing an operation procedure of state detection processing.

FIG. 20 shows a configuration of a home network using power lines.

[Explanation of symbols]

100 Appliance management device 101 TV signal receiver 102 display 103 Alarm data extraction unit 103 Alarm signal detector 104 Alarm data storage 105 Alarm signal receiver 106 Communication unit 107 Usage status acquisition unit 108 Electrical Appliance Information List Storage Unit 109 power supply controller 110 Control History Information List Storage Unit 111 switch 200 appliances 201 Communication unit 202 Individual power supply control unit 203 switch 210 Home Network 220 cable net 230 satellites 301 TV signal receiver 302 display 303 Alarm data extraction unit 304 Alarm data storage unit 305 Alarm signal receiver 306 Communication unit 309 Power feeding control unit 310 Control History Information List Storage Unit 311 switch 400 appliances 401 Communication unit 402 Individual power supply control unit 403 switch 500 Appliance management device 501 TV signal receiver 502 display 505 Improper use processing unit 506 Communication unit 507 Usage status acquisition unit 508 Electrical Appliance Information List Storage Unit 509 Usage status list storage unit 511 switch 600 appliances 601 Communication unit 602 status reply section 603 switch 701 Power line network modem 702 Power line network

Continued front page    F term (reference) 5B011 DA01 DB27 EA10 FF03 HH02                       KK11 MA15 MB16                 5G064 AA09 AB03 AC01 AC06 AC08                       BA02 CB06 CB11 CB16 DA07                 5K048 BA12 CA08 DA05 DB01 DC01                       DC03 EA11 EB02 FC01 HA01                       HA02 HA05 HA07

Claims (24)

[Claims] 1. An electric appliance management device for managing and controlling an electric appliance capable of power supply control by a control signal received through a network, wherein an alarm acquisition unit for acquiring an alarm signal and an alarm signal acquisition result by the alarm acquisition unit. An electric appliance comprising: a power supply control means for generating a control signal for stopping the electric power supply to the electric appliance according to the above; and a transmitting means for transmitting the control signal to one or more electric appliances through a network. Management device. 2. The alarm acquisition means includes a television signal receiving unit that receives a television signal in which an alarm signal is embedded, and a separating unit that separates the alarm signal from the received television signal. The appliance management device according to 1. 3. The alarm acquisition unit further includes an alarm reception unit that receives an alarm signal different from the TV signal, and the power supply control unit receives the TV signal in which the alarm signal is embedded by the TV signal reception unit. The appliance management apparatus according to claim 2, wherein the control signal for stopping the power supply is generated only when the alarm signal is received and the alarm signal is received by the alarm receiving unit. 4. The alarm signal includes information indicating a region, and the power feeding control means stops power feeding only when a use region set in the device itself matches a region in the alarm signal. The appliance management apparatus according to claim 1, wherein the appliance management apparatus generates a control signal. 5. The alarm signal includes information indicating a disaster level, and the power feeding control unit generates a control signal for stopping power feeding only when the disaster level is a certain value or more. The appliance management device according to 1 or 2. 6. The appliance management device further comprises means for storing in advance a limit level that can withstand a disaster for each appliance connected by a network, and the alarm signal includes information indicating a disaster level, The electric appliance management device according to claim 5, wherein the transmitting unit transmits the generated control signal only to an electric appliance whose disaster level exceeds the limit level. 7. The electric appliance management device further includes means for acquiring information on whether or not an electric appliance connected by a network is being fed, and the transmitting means is only for an electric appliance being fed. The appliance management apparatus according to claim 1 or 2, wherein the generated control signal is transmitted. 8. An electric appliance management device for managing and controlling an electric appliance capable of power supply control according to a control signal received through a network, comprising: an alarm acquisition unit for acquiring an alarm signal; and an electric appliance for acquiring the alarm signal. An electric appliance management device comprising: a power supply control unit that generates a control signal that puts the control unit into a standby state; and a transmission unit that transmits the control signal to one or more electric appliances through a network. 9. The appliance management device further comprises an alarm cancellation acquisition unit for acquiring an alarm cancellation signal, and the power supply control unit acquires the alarm cancellation signal,
9. The appliance management apparatus according to claim 8, wherein a control signal for releasing the standby state of the appliance is generated, and the transmitting unit transmits the control signal. 10. The electric appliance management apparatus further comprises: when the power supply control means stops acquiring the alarm signal, or when the disaster level included in the alarm signal is less than a certain value, electrification is performed. 9. The electric appliance management device according to claim 8, wherein a control signal for releasing the standby state of the product is generated, and the transmitting unit transmits the control signal. 11. An electric appliance management apparatus for managing and controlling an electric appliance capable of transmitting a signal indicating a usage state through a network, and a status acquisition unit for acquiring status information of the electric appliance connected to the network. An electrical appliance management device, comprising: a status presentation unit that presents a usage status of an electrical appliance based on the acquired status information. 12. The status acquisition unit acquires a continuous usage time for each electric appliance, and the status presentation unit stores a continuous usable time in advance for each electric appliance, and the acquired continuous usage time. And a determination unit that determines whether or not the continuous usage time exceeds the continuous usage time for each electric appliance based on the above and the continuous usage time in the storage unit. The appliance management apparatus according to claim 11, further comprising: a warning generation unit that generates a warning. 13. The status acquisition unit acquires information on whether or not each electric appliance is in use, and the status presentation unit is composed of two or more electric appliances that are inappropriate to use at the same time. Whether the electric appliances included in the group are being used at the same time, based on a storage unit that stores information that specifies a group in advance, and based on the acquired information that indicates whether the device is in use and the information that specifies the group in the storage unit. The appliance management apparatus according to claim 11, further comprising: a determination unit that determines whether or not it is present, and a warning generation unit that issues a warning when it is determined that the device is in use at the same time. 14. The electric appliance management device further specifies a unit that specifies two or more electric appliances that are inappropriate for simultaneous use by a user operation, and specifies a group including the specified electric appliances. 14. The appliance management apparatus according to claim 13, further comprising: a unit that writes the information to be stored in the storage unit. 15. The electric appliance management device further includes a unit that generates a control signal that stops power supply to the electric appliance when the judgment unit judges, and a transmitting unit that transmits the control signal. The appliance management apparatus according to claim 12, wherein the appliance management apparatus is an appliance management apparatus. 16. The appliance management apparatus according to claim 2, further comprising means for displaying an image of the received television signal. 17. A broadcasting device for broadcasting a television signal conforming to the MPEG System standard, comprising means for writing an alert signal in a private area of a PES packet, which is a unit in which the television broadcast signal is divided and stored, and the alert signal. And a means for transmitting the written PES packet. 18. A control system comprising one or more electric appliances and an electric appliance management device connected to the electric appliances via a network, wherein the electric appliance management device acquires an alarm signal. Means, a power supply control means for generating a control signal for stopping the power supply to the electric appliance according to the result of the acquisition of the alarm signal by the alarm acquisition means, and a transmission for transmitting the control signal to one or more electric appliances through a network. And a means for receiving the control signal, and a means for stopping power supply to the own device when the control signal is received. 19. An electric appliance management method for managing and controlling an electric appliance capable of power supply control by a control signal received through a network, comprising: an alarm acquisition step for acquiring an alarm signal; and an alarm signal acquisition result by an alarm acquisition means. In accordance with the above, the power supply control step of generating a control signal for stopping the power supply of the electric appliance, and the transmission step of transmitting the control signal to one or more electric appliances through a network are performed. Method. 20. An appliance management method for managing and controlling an appliance capable of transmitting a signal indicating a usage status through a network, the status obtaining step acquiring a continuous usage time for each appliance connected to the network. Based on the obtained continuous use time and the continuous use time in the storage unit that stores the continuous use time for each electric appliance in advance, the continuous use time exceeds the continuous use time for each electric appliance. An electrical appliance management method comprising: a determination step of determining whether or not the alarm is present, and a warning generation step of generating a warning when it is determined that the excess is exceeded. 21. An electric appliance management method for controlling and controlling an electric appliance capable of transmitting a signal indicating a usage state through a network, wherein information on whether or not each electric appliance connected to the network is in use is acquired. Specifying a group in a storage unit that stores in advance a state acquisition step, the acquired information on whether or not it is in use, and information specifying a group made up of two or more electric appliances that are inappropriate to use at the same time. And a warning issuing step of issuing a warning when it is determined that the electric appliances included in the group are being used at the same time, and a warning is issued when the electric appliances included in the group are being used at the same time. Electrical appliance management method characterized by. 22. A computer for managing and controlling an electric appliance capable of power supply control by a control signal received through a network, in accordance with an alarm acquisition unit for acquiring an alarm signal, and an alarm signal acquisition result by the alarm acquisition unit. A power supply control means for generating a control signal for stopping power supply to an electric appliance, and an electric appliance management program for causing the control signal to function as a transmitting means for transmitting the control signal to one or more electric appliances through a network. 23. A state acquisition for acquiring information on whether a computer is in use for controlling and controlling an electric appliance capable of transmitting a signal indicating a use state through a network, for each electric appliance connected to the network. Means, storage means for storing in advance information identifying a group of two or more electrical appliances that are inappropriate to use at the same time, the acquired information on whether or not the appliance is in use, and the storage means in the storage means. Based on the information identifying the group, as a judgment means for judging whether or not the electric appliances included in the group are being used at the same time, and as a warning generation means for generating a warning when it is judged that the electric appliances included in the group are exceeded. An appliance management program to make it work. 24. A program for managing and controlling an electric appliance capable of transmitting a signal indicating a use status through a network, and acquiring a status for acquiring whether or not each electric appliance connected to the network is in use. Means, storage means for storing in advance information identifying a group of two or more electrical appliances that are inappropriate to use at the same time, the acquired information on whether or not the appliance is in use, and the storage means in the storage means. Based on the information identifying the group, as a judgment means for judging whether or not the electric appliances included in the group are being used at the same time, and as a warning generation means for generating a warning when it is judged that the electric appliances included in the group are exceeded. An appliance management program to make it work.