JPH07322363A - Home automation system - Google Patents

Abstract

PURPOSE:To provide a home automation system which is easy to be used by a user by incorporating a photovoltaic power generation device within a home automation system, operating the equipments within the system corresponding to various kinds of states of the photovoltaic power generation device, notifying the abnormality of the photovoltaic power generation device and displaying selling electric energy, purchasing electric energy and the generated electric power of the photovoltaic power generation device. CONSTITUTION:A photovoltaic power generation system part 2 is connected with a home automation system part 1 by a network through the IF part 14 of an inverter unit 15 and an IFU 16 for watthour meter. The abnormality of a photovoltaic power generation device 3 is detected, the abnormality is notified to a system controller 4, the abnormality is notified by an operation equipment 5 and an automatic notification is performed by the automatic notification function of the system controller 4. The consumption of electric power and the generated electric power of the photovoltaic power generation device 3 are detected, the information is stored in the system controller 4, and the consumption of electric power and the generated electric power are displayed on the operation equipment by the operation of a user.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a home automation system, and more specifically, a solar power generator is incorporated in the home automation system to notify a failure of the generator and automatically notify a service company. , It relates to an easy-to-use home automation system that records the trading status of electric power and the amount of power generation monthly and annually, and informs the user of the efficiency of the solar power generator.

[0002]

2. Description of the Related Art FIG. 10 is a block diagram of a conventional home automation system. In the figure, 60 is a TV intercom slave, 61 is an electric lock, 62 is a lighting fixture, 63 is a gas leak sensor, 64 is a fire sensor, 65 is an air conditioner, 66 is a system controller, 67 is an operating device, 68 is a telephone, and 69
Is a TV intercom base unit, 70 is a line switch, 71a to 71
d is an IFU (interface unit).

System controller 66 and operating device 67
A telephone 68, a TV doorphone master device 69, a TV doorphone slave device 60, an electric lock 61, a lighting device 62, an air conditioner 65 and other devices and various sensors such as a gas leak sensor 63 and a fire sensor 64 are connected via a network. The visitor is confirmed on the TV intercom base unit 69. The operation device 67 centrally controls devices such as the air conditioner 65, the lighting device 62, and the electric lock 61. It is a system having a function of notifying a house of a gas leak and a fire by a gas leak sensor 63 and a fire sensor 64, and also automatically reporting it.

Further, as a known document describing a power supply monitoring device for a conventional photovoltaic power generation system, there is, for example, Japanese Patent Laid-Open No. 122722/1993. In this publication, in order for the master station to monitor the abnormality of a plurality of solar cell panels installed in the unmanned slave station, in each slave station side, when the amount of light incident on the solar cell is a predetermined value or more, When the generated voltage of the solar cell panel and the difference between the generated voltage of each panel are measured, and the voltage value of each panel becomes less than or equal to a specified value, or when the difference in the generated voltage between each panel exceeds a specified value. By multiplexing the transmission signal with an abnormality signal indicating the abnormality of the solar cell and transmitting it to the master station, the master station can always monitor the status of the solar cells of each slave station. is there.

[0005]

In recent years, due to the environmental problems of the earth and the increase in peak power generation of power plants, pollution-free solar power generators have been installed in each home, and power is generated by the solar power generators. A method has been proposed in which electric power is used to cover each household's power consumption and surplus electricity is sold to electric utilities. Conventionally, the home automation system and the solar power generator were completely independent, and the equipment in the system did not operate based on the abnormality of the solar power generator or the power generation amount.

The present invention has been made in view of the above circumstances, and a solar power generator is incorporated in a home automation system so that devices in the system operate in accordance with various states of the solar power generator. It is intended to provide a home automation system that is easy for users to use by, for example, notifying an abnormality of the solar power generator and displaying the amount of sold power, the amount of purchased power, and the amount of power generated by the solar power generator. .

[0007]

In order to achieve the above-mentioned object, the present invention provides (1) a photovoltaic generator that generates electric power from sunlight, and a system corresponding to the state of the photovoltaic generator. And a system controller for controlling the device, and (2) when the photovoltaic generator is abnormal,
Having an informing section for informing an abnormality, further, (3) in (2), automatically informing as an informing method of the informing section, and (4) in (1), the amount of power sold. And (5) In (4), the amount of power sold, the amount of power purchased, and the amount of power generated by the solar power generator are displayed monthly. It is characterized by having a display unit for displaying the year and year.

[0008]

In the home automation system configured as described above, the abnormality of the solar power generator is detected, the system controller is notified, the operation device is notified of the abnormality, and the automatic notification function of the system controller automatically notifies. Further, the amount of electric power used and the amount of electric power generated by the solar power generator are detected, the information is stored in the system controller, and the amount of electric power used and the amount of electric power generated are displayed on the operating device by the operation of the user. Further, the total amount of power consumption and power generation amount for each month or year is stored in the system controller, and the power consumption amount and power generation amount for each month or year are displayed on the operating device by the operation of the user.

[0009]

Embodiments will be described below with reference to the drawings. FIG. 1 is a block diagram for explaining an embodiment of a home automation system according to the present invention.
Is a home automation system part, 2 is a solar power generation system part, 3 is a solar power generator, 4 is a system controller, 5 is an operating device, 6 to 9 are IFUs (interface units), 10 is a line switch, and 11 is an electric lock. , 12
Is an abnormality detection unit of the solar power generator, 13 is a power generation amount detection unit, 14 is an IF (interface) unit, 15 is an inverter unit, 16 is an IFU (interface unit), 17 is an inverter unit, 18 is an air conditioner, 19 is Lighting equipment, 20 is a power meter for power sale, 21 is a power meter for power purchase, 22 is a telephone, 23 is a TV door phone master unit, 24 is a fire sensor, 25 is a gas leak sensor, 26 is a telephone line, 27
Is a TV doorphone slave unit, 28 is a network, and 29 is a power meter.

The point of the present invention is to integrate the photovoltaic generator into a home automation system.
Therefore, the system controller 4, the operating device 5, the inverter unit 15, and the watt hour meter IFU 16 that need to be changed to be incorporated will be mainly described. The home bus system of the Japan Electronic Machinery Manufacturers Association is used as an example of the network configuration.

The solar power generation system section 2 is a solar power generator 3.
The DC power generated in
Converted to 00V, and convert the power to air conditioner 18 and lighting equipment 1.
If there is surplus power supplied to the load such as 9, etc., sell it to the electric power company through the electric power sales meter 20, and use the purchased electric power meter 21 to buy the electric power that cannot be covered by the power generated by the solar power generator. It is a system that you can buy from.

The home automation system section 1 has a system controller 4, an operating device 5, and a telephone 2.
2, TV door phone master unit 23, IFUs 6 to 8 and the like are connected by a network, and devices such as an air conditioner 18 and a lighting device 19 thereunder, a fire sensor 24, and a gas leak sensor 2
Sensors such as 5 are connected via a network through each IFU 9. The video and audio lines of the telephone line 26 and the TV intercom slave 27 are connected to devices such as the telephone 22 and the TV intercom master 23 by the network 28 through the system controller 4. According to the configuration of the present invention, the solar power generation system unit 2 is connected to the home automation system unit 1 via the IF unit 14 of the inverter unit 15 and the IFU 16 for electricity meter by a network.

2 to 5 are configuration diagrams showing a system controller, an operating device, an inverter unit, and an electric energy meter IFU, respectively, which will be sequentially described below with reference to the drawings. FIG. 2 is a block diagram of the system controller. In the figure,
Reference numeral 30 is a control unit, 31 is a clock unit, 32 is a home bus processing unit, 33 is an automatic communication unit, 34 is a circuit switching unit, 35 is a power supply unit, 36 is a control channel, and 37 is an information channel.

The power supply unit 35 supplies a voltage of 36 V to the voltage supply of the system controller 4 itself and the control channel 36 of the home bus system. When receiving an incoming call or a TV intercom, the control unit 30 controls the home bus processing unit 32, informs it to a device on the network by the control channel 36 of the home bus system, and selects a voice or an image by the circuit switching unit 34. Stream to information channel 37.

Control channel 36 of the home bus system
Then, when the inverter unit 15 on the network notifies the system controller 4 of the abnormality of the solar power generator 3, the automatic notification unit 33 is controlled according to the contents set by the user, and the circuit switching unit 34 controls the automatic notification unit 33. Is connected to the telephone line 26 to make an automatic notification. Inverter unit 15 on the network via control channel 36 of the home bus system
The state of the solar power generator 3 to the clock unit 31
Use to check regularly. Further, the state is also requested to the IFU 16 for electricity meter, the trading electric energy is periodically checked, and those are stored.

FIG. 3 is a block diagram of the operating device. In FIG.
Is a control unit, 39 is a home bus processing unit, 40 is a display with a touch panel, 41 is an amplifier, 42 is a speaker,
Reference numeral 43 is a voltage conversion unit, and 44 is a control channel.

The voltage converter 43 converts the voltage of 36 V supplied to the control channel 4 of the home bus system and supplies it to the controller 38 and the like. When an abnormality of the solar power generator 3 is notified from the system controller 4 on the control channel 44 of the home bus system, the control unit 38 displays an abnormality message on the display 40 and
The amplifier 41 drives the speaker 42 to output a voice message. When the user operates the touch panel 40, the trading power amount and the power generation amount stored in the system controller 4 are received by the control channel 44 of the home bus system and displayed on the display 40. Further, it is possible to receive and display the amount of trading power and the amount of power generation for each month or year.

FIG. 4 is a block diagram of the inverter unit.
In the figure, 45 is a control unit, 46 is a home bus processing unit, 47 is a voltage conversion unit, 48 is an IF unit, 49 is an abnormality detection unit, 50 is a power generation amount detection unit, 51 is an inverter unit, and 52 is a control channel. .

The IF section 48 comprises a control section 45, a home bus processing section 46, and a voltage conversion section 47. Voltage converter 47
Converts the voltage of 36 V supplied to the control channel 52 of the home bus system and supplies it to the control unit 45 and the like. The inverter unit 51 converts the DC power generated by the solar power generator 3 into AC 100V that can be used by loads such as the air conditioner 18 and the lighting fixture 19. The abnormality detection unit 49 of the solar power generator 3 is, for example, the above-mentioned JP-A-5-12276.
The method proposed in Japanese Patent No. 0 is used to notify the system controller 4 on the network through the control channel 52 of the home bus system when an abnormality occurs. When the control channel 52 of the home bus system requests a condition such as an abnormality of the solar power generator 3 or the amount of power generation, the answer is returned using the control channel 52 of the home bus system section.

FIG. 5 is a block diagram of an IFU for an electricity meter, in which 53 is a control unit, 54 is a home bus processing unit, 55 is a trading power amount detecting unit, 56 is a buying power amount detecting unit, and 57 is a unit. The voltage converter 58 is a control channel. The voltage conversion unit 57
The voltage of 36 V supplied to the control channel 58 of the home bus system is converted and supplied to the control unit 53 and the like. If the amount of power sold or purchased is requested on the control channel 58 of the home bus system, the value of the sold power meter or the purchased power meter is read, and the answer is read using the control channel 58 of the home bus system. Send.

FIGS. 6 to 9 are flowcharts showing the interlocking sequence in the system of each device, and FIGS. 6 (a) to 6 (c).
Is an abnormality notification sequence of the solar power generator, FIG.
(c) is a storage sequence of the trading power amount and the power generation amount, FIG.
(a) and (b) are the display sequence of trading power and power generation,
9 (a) and 9 (b) respectively show a display sequence of monthly and yearly trading power amounts and power generation amounts.

FIGS. 6 (a) to 6 (c) show an abnormality notification sequence of the solar power generator, and FIG. 6 (a) shows an inverter unit and a diagram.
(b) is an operation device, and (c) is each sequence of a system controller. When the inverter unit detects an abnormality in the solar power generator (YES in S1), each device is informed at the same time that there is an abnormality in the control channel of the home bus system (S2). I received a report of an abnormality (YE in S3)
S) The operating device displays an abnormality on the display (S4), and further informs the abnormality by voice using a speaker (S5). I received a report of an abnormality (YE in S6)
S) The system controller confirms whether or not it is in the automatic notification mode, and when it is in the automatic notification mode (YES in S7), calls the preset telephone number and informs by voice that it is abnormal (S8).

FIGS. 7 (a) to 7 (c) show the trading power and generated power amount storage sequence. FIG. 7 (a) shows the system controller,
FIG. 7B is an IFU for electricity meter, and FIG. 7C is each sequence of the inverter unit. After a certain period of time has passed, the system controller transmits a trading power amount state request (YES in S9) (S10). When the IFU for watt hour meter receives the trading power state request (YES in S11), the value of the watt hour meter is read (S12), the value of the watt hour meter is read (S13), and each value is read by the system. Notify the controller (S14). When the system controller receives the respective power amount states (YES in S15), the power selling amount-buying power amount is stored in the memory as the trading power amount (S).
16).

Thereafter, a power generation amount state request is transmitted (S1
7) When the inverter unit receives the power generation state request (YES in S18), the value of the watt hour meter is read (S1).
9), and informs the value to the system controller (S2
0). When the system controller receives the power generation amount state (YES in S21), the power generation amount is stored in the memory (S2).
2). In this way, the trading power amount and the photovoltaic power generation amount are stored in the memory of the system controller,
The information can be output in response to a request from the operating device.

8 (a) and 8 (b) are display sequences of traded power and generated power, FIG. 8 (a) is an operation device, and FIG. 8 (b) is each sequence of a system controller. The operating device transmits the trading power and the generated power status request by the operation of the user (S23). The system controller which received it (YES in S24) transmits the latest one from the stored trading power amount and power generation amount (S25). The operating device that has received the power state (YES in S26) displays the trading power and the generated power in the power state on the display (S2).
7).

9 (a) and 9 (b) are display sequences of monthly and yearly trading power and generated power, and FIG. 9 (a) is an operation device,
FIG. 6B shows each sequence of the system controller. The operation device transmits a trading power and a generated power status request for a certain period of the month or year by the operation of the user (S2
8). The system controller which received it (S29
If YES, the transmission / reception electric power amount and the electric power generation amount stored for the requested period are transmitted (S30). The operating device that has received the power state (YES in S31) displays the monthly and yearly trading power amount and power generation amount in the power state on the display (S32).

[0027]

As is apparent from the above description, the present invention has the following effects. (1) Effects corresponding to claims 1 and 2: having a solar power generator that generates electric power from sunlight, and a system controller that controls devices in the system according to the state of the solar power generator Since the abnormality is reported when the solar power generator is abnormal, the user can immediately detect the failure of the solar power generator. (2) Effect corresponding to claim 3: Since an automatic notification is given as a notification method, when the solar power generator fails, it can be automatically notified to the generator service company, and the user has no trouble in contacting. I can omit it. (3) Effects corresponding to claims 4 and 5: Since the trading power amount and the power generation amount of the solar power generator are displayed, and the power generation amount is displayed monthly or annually, the efficiency of the solar power generator is improved. I understand.

[Brief description of drawings]

FIG. 1 is a configuration diagram for explaining an embodiment of a home automation system according to the present invention.

FIG. 2 is a block diagram of a system controller according to the present invention.

FIG. 3 is a block diagram of an operating device according to the present invention.

FIG. 4 is a block diagram of an inverter unit according to the present invention.

FIG. 5 is a block diagram of an IFU for a power meter in the present invention.

FIG. 6 is a diagram showing an abnormality notification sequence of the solar power generator according to the present invention.

FIG. 7 is a diagram showing a storage sequence of trading power amount and power generation amount in the present invention.

FIG. 8 is a diagram showing a display sequence of trading power amount and power generation amount in the present invention.

FIG. 9 is a diagram showing a display sequence of monthly and yearly trading power amounts and power generation amounts in the present invention.

FIG. 10 is a configuration diagram of a conventional home automation system.

[Explanation of symbols]

1 ... Home automation system part, 2 ... Photovoltaic system part, 3 ... Photovoltaic generator, 4 ... System controller, 5 ... Operation device, 6-9 ... IFU (interface unit), 10 ... Circuit switch, 11 ... Electricity Tablets, 1
2 ... Abnormality detection unit, 13 ... Generated power amount detection unit, 14 ... IF
(Interface) part, 15 ... Inverter unit,
16 ... IFU (interface unit), 17 ... Inverter section, 18 ... Air conditioner, 19 ... Lighting fixture, 20 ...
Electricity meter for selling electricity, 21 ... Electricity meter for buying electricity, 22 ... Telephone,
23 ... TV intercom base unit, 24 ... fire sensor, 25 ... gas leak sensor, 26 ... telephone line, 27 ... TV intercom slave, 28 ... network, 29 ... electricity meter.

Claims (5)

[Claims] 1. A home automation system comprising: a solar power generator that generates electric power from sunlight; and a system controller that controls devices in the system according to the state of the solar power generator. 2. The home automation system according to claim 1, further comprising a notifying unit for notifying the abnormality when the solar power generator is abnormal. 3. The home automation system according to claim 2, wherein the notification method of the notification unit is automatic notification. 4. The home automation system according to claim 1, further comprising a display unit that displays the amount of sold power, the amount of purchased power, and the amount of power generated by the solar power generator. 5. The home automation system according to claim 4, further comprising a display unit for displaying the amount of sold power, the amount of purchased power, and the amount of power generated by the solar power generator in a month or year.