JP2003235119A - Power distribution device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make it possible to flexibly meet indoor power supply environments and to save energy and space. <P>SOLUTION: This device is provided with an AC-DC converter 3; a distributing terminal block 4; an uninterruptible power supply 5; a DC-DC converter 6; and a control unit 7 having a timer function, and also provided on a power distribution path of a power source voltage with switches 12 and 14 that can be switched on and off by the control unit 7. Power consumption of a device connected to wall sockets or connectors of each indoor part is reduced by performing on-off control of the switches 12 and 14 independently in accordance with registered preset data and time data by the timer function, and by supplying a commercial power source voltage or a DC power source voltage equipped with uninterruptible power supply system during a prescribed period only. Also, a power supply or Ac adaptor required for each device is made unnecessary by supplying a DC power supply voltage made uninterruptible to a prescribed connection part. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power distribution device suitable for use in general homes and the like, and more particularly to a technique for saving power and space.

[0002]

2. Description of the Related Art Conventionally, a commercial power supply voltage, which has passed through an earth leakage breaker or the like installed for the purpose of security, is supplied to an outlet arranged in each part of the room as it is through indoor wiring. In recent years, household electric / electronic devices are also known in which a control unit is equipped with a microcomputer or the like. In these devices, a predetermined DC voltage for driving the control unit from a commercial power supply voltage is known. Generates low voltage.

That is, the AC / DC power supply circuit mounted on each device causes commercial power supply voltage (eg,
AC100V) is a predetermined stabilized DC voltage (for example,
5V), and the output is used to drive the controller. Further, in an electronic device that does not require a commercial power supply voltage, an external AC adapter is used, and the entire electronic device is driven by the output of the AC adapter or driven by a built-in battery. Has been done.

[0004]

However, the image /
In the case of a device that can be remotely controlled by an external control unit, such as an audio device, it is necessary to keep the control unit, etc. on the device body side always in a standby state in order to respond to an operation instruction from the external control unit. The power consumption generated during this standby becomes a problem. Also, external AC
In the case of an electronic device using an adapter, there is a problem that a space near an outlet becomes a problem and conversion efficiency by a power transformer is poor, resulting in unnecessary power consumption.

Therefore, the present invention has been made in view of the above-mentioned problems of the conventional technique, and the purpose thereof is to be able to flexibly cope with the indoor power source environment and to save power. Another object of the present invention is to provide a power distribution device that can save space.

[0006]

In order to solve the above problems, a first aspect of the present invention is a power distribution device for supplying a power supply voltage to a connection portion arranged in each part of an indoor space. A wire that is connected to one of the
The gist of the present invention is that the wiring is connected to the other of the connecting portions and a power supply voltage is supplied through a predetermined switch.

According to this structure, a device requiring standby power can be arbitrarily disconnected from the power source, and power can be saved.

A second aspect of the present invention is a power distribution device for supplying a power supply voltage to a connection portion arranged in each indoor portion, and wiring connected to the connection portion and supplied with a commercial power supply voltage,
AC / DC converting means for converting a commercial power supply voltage into a predetermined stabilized DC voltage, a DC connecting portion separately provided other than the connecting portion, and the AC connecting portion connected to the DC connecting portion. / The wiring is provided with the output of the DC conversion means.

According to this structure, the power supply unit on the device side and the AC
By eliminating the need for an adapter, cost reduction and space saving can be achieved.

A third aspect of the present invention is a power distribution device for supplying a power supply voltage to a connection part provided in each part of an indoor, which is connected to one of the connection parts and is constantly supplied with a commercial power supply voltage. One wiring, a second wiring connected to the other of the connecting portions and supplied with a commercial power supply voltage through a predetermined switch, and AC / DC for converting the commercial power supply voltage into a predetermined stabilized DC voltage A conversion unit; a connection unit for direct current, which is separately provided in addition to the connection unit; and a third wiring connected to the connection unit for DC and supplied with the output of the AC / DC conversion unit. The main point is that.

According to this structure, it is possible to flexibly cope with the indoor power source environment. In addition, a device that requires standby power can be arbitrarily disconnected from the power supply, and power saving can be achieved. In addition, a power supply unit and an AC adapter on the device side are not required, and cost and space can be saved. Will be able to.

A fourth invention is characterized in that the AC / DC converting means is realized by a switching stabilized power supply circuit.

According to this structure, by increasing the conversion efficiency, it is possible to further reduce the cost and save the space while saving the power.

A fifth aspect of the invention is characterized in that the voltage smoothing portion of the AC / DC converting means is provided with a removable electrolytic capacitor.

With this structure, it is possible to reduce costs while improving safety.

A sixth aspect of the invention is further provided with an uninterruptible means including a secondary battery, and the uninterruptible means backs up an output of the AC / DC converting means.

According to this structure, it is possible to flexibly cope with a power failure such as a disaster and protect the control unit of the connected equipment.

A seventh aspect of the present invention further comprises a control means having a clock function, and the control means shuts off the power supply voltage by turning off the predetermined switch at a preset timing based on the clock function. The point is to do.

According to this structure, the cutoff of the power supply voltage is centrally managed based on the lapse of time, so that the power saving can be more efficiently achieved.

In an eighth invention, the control means further comprises:
The gist is to supply the power supply voltage by turning on the predetermined switch at a preset timing based on the clock function.

According to this configuration, it is possible to improve convenience by centrally managing the supply of the power supply voltage based on the passage of time.

The ninth invention further comprises a control means having a timepiece function and a notification means, wherein the control means is based on the timepiece function, the AC / DC converting means or the exchange-type electrolytic capacitor or The gist is to manage the replacement time of the secondary battery and generate a control signal to the notification means when the replacement time is reached.

With this configuration, it is possible to further improve safety and reliability.

A tenth aspect of the present invention is further characterized in that a wiring for communication or control is provided in addition to the above wiring.

According to this configuration, it is possible to flexibly deal with various connected devices, use the display section of each device through communication, and obtain setting information and the like made in each device, and centrally It becomes possible to manage. Further, it becomes possible to perform an operation according to a control signal from various connected devices.

The eleventh aspect of the invention is characterized by further comprising another switch for invalidating the function of the predetermined switch.

According to this structure, the usability can be improved and the indoor power supply environment can be flexibly dealt with.

A twelfth aspect of the present invention is further characterized by further comprising remote operation means for turning on / off the predetermined switch wirelessly or by wire.

According to this structure, the usability can be improved and the device used indoors can be flexibly dealt with.

A thirteenth invention further comprises a distribution terminal board in which terminals derived from the power source side and terminals connected to the respective wirings are centrally arranged, and each terminal of the distribution terminal board. The gist is that the connection relationship between the power supply side and the connection part side is arbitrarily set depending on the connection relationship between the power supply side and the connection part side.

With this structure, it is possible to efficiently and flexibly cope with the indoor power supply environment.

A fourteenth aspect of the invention is characterized in that the predetermined switch is inserted in a wiring path which is a preceding stage of the distribution terminal board.

With this configuration, it becomes possible to efficiently manage the load device with a smaller number of switches.

A fifteenth aspect of the invention is characterized in that the wiring is arranged at a location other than a wall and a floor surface forming each room having the connection portion or the DC connection portion.

With this structure, it is possible to further improve the workability and habitability in the room.

[0036]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the overall configuration of an embodiment of the present invention. FIG. 2 is a schematic diagram showing a schematic configuration as an example of the distribution terminal board in the embodiment of the present invention.

As shown in FIG. 1, a power distribution device according to an embodiment of the present invention includes an earth leakage breaker 2, an AC / DC converter 3, a distribution terminal board 4, an uninterruptible section 5, and a DC / DC converter. DC
The converter 6, the control unit 7, the wireless reception unit 8, the operation input unit 9, the display unit 10, the switches 11, 12, 13,
14 and the like.

Further, as shown in FIG. 2, the distribution terminal board 4 is
It has eight terminals 401 to 408 on the power supply side and 30 terminals 411 to 44 on the connection part side to which a load device is connected.
Has 0. The distribution terminal board 4 is housed in a metal case with a door, but is omitted in FIG.

First, the power supply system in one embodiment will be described. Reference numerals 1a and 1b in FIG. 1 denote input terminals connected to a commercial power source. One AC power supply line derived from the earth leakage breaker 2 is connected to the terminal 401 of the distribution terminal board 4 and is connected to the terminal 402 of the distribution terminal board 4 via the switches 11 and 12 connected in parallel. Has been done. At the same time, one AC power line is AC
It is connected to the / DC converter 3. The other AC power supply line derived from the earth leakage breaker 2 is connected to the terminal 403 of the distribution terminal board 4 and also to the AC / DC converter 3.

Between the AC / DC converter 3 and the DC / DC converter 6, the uninterruptible section 5 composed of a charging circuit 15, a battery pack 16 and a discharging diode 17 is inserted. There is. Battery pack 16
Is, for example, a plurality of nickel-cadmium batteries connected in series and integrated with a connector with a lead wire, and has a detachable structure, and the connector includes a + side terminal 18 and a − side terminal 19. Has been. The battery pack 16 is attached to the uninterruptible portion 5 by the lock mechanism, and is electrically connected to the uninterruptible portion 5 side through the connectors (18, 19). A secondary battery other than the nickel-cadmium battery may be used.

D derived from the DC / DC converter 6
The C power supply line is connected to the terminal 404 of the distribution terminal board 4, and is also connected to the terminal 405 of the distribution terminal board 4 via the switches 13 and 14 connected in parallel. At the same time, the DC power supply line is connected to each of the control unit 7, the wireless reception unit 8, the operation input unit 9, and the display unit 10. The ground line derived from the DC / DC converter 6 is connected to the terminal 406 of the distribution terminal board 4, and
Control unit 7, wireless reception unit 8, operation input unit 9, and display unit 10
Connected to each part of.

The switches 11 and 13 are for manually turning on the power supply voltage, and are arranged on the wall or the like on which the earth leakage breaker 2 is installed. Also, switch 12
And 14 are configured to be automatically turned on / off by a control signal from the control unit 7 described later. Specifically, relays are used as the switches 12 and 14, and are turned on when the control signal from the control unit 7 is at a high level and turned off when the control signal is at a low level, for example. A semiconductor switch may be used instead of the relay.

Further, the terminals 411, 416 of the distribution terminal board 4
And a wire led from an outlet 461 arranged at a predetermined place indoors are connected, terminals 412 and 417 are connected to a wire led from an outlet 462, and terminals 413 and 418 are led from an outlet 463. The connected wiring is connected to the terminals 414, 419 and the outlet 46.
4 are connected to the wirings, and the terminals 415, 42 are connected.
0 and the wiring led from the outlet 465 are connected.

Further, the terminals 421, 42 of the distribution terminal board 4
6, 431 and 436 are connected to the wiring derived from the connector 466 arranged at a predetermined indoor location, and the terminals 422, 427, 432, 437 are connected to the wiring derived from the connector 467, Terminals 423, 428, 4
33 and 438 are connected to the wiring derived from the connector 468, the terminals 424, 429, 434 and 439 are connected to the wiring derived from the connector 469, and the terminal 42
5, 430, 435, 440 and the wiring led out from the connector 470 are connected.

The terminals 411 to 413 of the distribution terminal board 4 are
The short circuit member 451 is attached to the terminals 414 and 415.
A short-circuit member 452 is attached to the terminals 416 to 4
A short-circuit member 453 is attached to 20.

Further, the terminals 421 to 423 of the distribution terminal board 4
A short-circuit member 454 is attached to the terminals 424 and 4 and
A short-circuit member 455 is attached to 25. Further, the short-circuit member 456 is attached to the terminals 426 to 430, the short-circuit member 457 is attached to the terminals 431 to 435, and the short-circuit member 458 is attached to the terminals 436 to 440.
Is attached.

The terminal 401 and the terminal 411 are connected by a dedicated connection cable 441, and the terminal 402 and the terminal 4
14 is connected by a dedicated connection cable 442, and the terminal 403 and the terminal 420 are dedicated connection cables 443.
Connected by.

Further, the terminal 404 and the terminal 421 are connected by a dedicated connection cable 444, and the terminal 405 and
The terminal 424 is connected by a dedicated connection cable 445, and the terminal 406 and the terminal 427 are connected by a dedicated connection cable 446. Furthermore, a terminal 407,
The terminal 434 is connected by a dedicated connection cable 447, and the terminal 408 and the terminal 440 are connected by a dedicated connection cable 448.

As described above, in the distribution terminal board 4, the power source side wiring is connected by the short-circuit members 451 to 458 and the connection cables 441 to 448, and the connection portion (the outlets 461 to 465 and the connector) to which the load device is connected. 466-4
The connection relationship with the wiring on the 70) side is arbitrarily set. It should be noted that the connection relationship can be changed simply by changing the mounting positions of the short-circuit member and the connection cable, and can be easily performed as needed.

FIG. 3 shows the AC in one embodiment of the present invention.
FIG. 4 is a block diagram showing a schematic configuration as an example of a / DC converter, and FIG. 4 shows an example of a configuration of a rectifier circuit of an AC / DC converter. Note that the AC /
The DC converter is called a general separately-excited forward converter.

As shown in FIG. 3, the AC / DC converter 3
Is a noise filter 302, a rectifier circuit 303, a switching unit 304, an output transformer 305, a high frequency rectifier circuit 306, a constant voltage control circuit 308, a PWM control circuit 309, a drive transformer 310, and an auxiliary transformer 3.
11 and an auxiliary power supply circuit 312 and the like.

As shown in FIG. 4, the rectifying circuit unit 303 includes a power thermistor 322 for preventing inrush current, a diode rectifying bridge 323, and an electrolytic capacitor 324 for smoothing.
And a power switch 328 and the like.

The electrolytic capacitor 324 has a detachable structure, is attached to the AC / DC converter 3 by a lock mechanism that is linked to the power switch 328, and is removable only when the power switch 328 is off. In addition, in the electrolytic capacitor 324, the + side terminal 325 and the − side terminal 326 have different shapes in order to prevent erroneous insertion at the time of mounting.

In the noise filter 32, the input terminal 3
The noise of the commercial power supply voltage supplied via 01a and 301b is removed. Then, the noise-free commercial power supply voltage is supplied to the rectifier circuit 303 via the terminals 321a and 321b in FIG. Rectifier circuit 3
In 03, the commercial power supply voltage is converted to DC, and the output terminal 3
It is taken out via 27a and 327b. This DC output is supplied to each of the switching unit 304 and the auxiliary power supply circuit 312.

The auxiliary power supply circuit 312 is the PWM control circuit 3
This is for generating a power supply voltage for operating 09, and the secondary side output of the auxiliary transformer 311 is supplied to the PWM control circuit 309. The switching unit 304 is an MO
SFET (Metal Oxide Semiconductor Feild Effect T
ransistor) and the like, and is configured to perform a switching operation by a drive output supplied via the drive transformer 310.

A pulse width modulation (hereinafter referred to as PWM) control circuit 309 is supplied with a control signal from a constant voltage control circuit 308 which monitors the voltage of the output terminal 307.
In the PWM control circuit 309, a drive output for the drive transformer 310 is generated so that the voltage of the output terminal 307 becomes constant. Therefore, a high-frequency output is generated on the secondary side of the output transformer 305, and this output is rectified by the high-frequency rectifier circuit 306 and converted into direct current, and a stabilized voltage of, for example, about 12 V is taken out from the output terminal 307. .

When the output of the AC / DC converter 3 is supplied to the uninterruptible section 5, the charging circuit 15 operates,
Trickle charging is performed on the secondary battery of the battery pack 16 with a constant current. In parallel with this, AC /
The output of the DC converter 3 is supplied to the DC / DC converter 6.

The DC / DC converter 6 is configured as a step-down chopper and converts the input voltage of 12V into a stabilized voltage of 5.5V and outputs it. The commercial power supply voltage is cut off due to a power failure, etc., and the AC / DC converter 3
Battery pack 16 even when the output of
Is supplied to the DC / DC converter 6 via the diode 17, and a stabilized voltage of 5.5 V is output from the DC / DC converter 6 as in the normal state.

Therefore, the commercial power supply voltage from the input terminals 1a and 1b is supplied to the AC / DC converter 3 via the earth leakage breaker 2 and also to the distribution terminal board 4.
Then, the commercial power supply voltage (AC 100V) is once converted into a stabilized output of 12V in the AC / DC converter 3, and this 12V output is further stabilized to 5.5V in the DC / DC converter 6. Converted to output. The output of the DC / DC converter 6 is supplied to the radio receiving unit 8, the operation input unit 9, the control unit 7, and the display unit 10, and also to the distribution terminal board 4.

For this reason, three outlets 461-46
The commercial power supply voltage via the earth leakage breaker 2 is constantly supplied to each of the three. Also, two outlets 464,
Each of the circuits 465 is supplied with the commercial power supply voltage via the earth leakage breaker 2 only when the switch 11 or the switch 12 is turned on.

On the other hand, the output of the DC / DC converter 6, that is, the DC power supply voltage is constantly supplied to each of the three connectors 466 to 468. This DC / DC
The output of the converter 6 is maintained regardless of the state of the commercial power supply according to the capability of the uninterruptible power supply 5 described above even during a power failure. Further, the output of the DC / DC converter 6 is supplied to each of the two connectors 469 and 470 only when the switch 13 or the switch 14 is turned on.

Next, the control system in one embodiment will be described. A receiving antenna 81 is connected to the wireless receiving section 8 shown in FIG.
Is supplied with the RF signal received via the receiving antenna 81.

The radio receiving section 8 first performs frequency conversion processing and amplification processing on the received RF signal to generate a baseband reception signal, and performs modulation processing performed on the transmission side on this reception signal. A corresponding demodulation process is performed to obtain a demodulation output. Then, the demodulation output is subjected to error correction processing and decoding processing according to the encoding processing performed on the transmission side to generate reception data, and control information transmitted from an arbitrary location is separated from this reception data. ·Extract. The control information extracted by the wireless reception unit 8 is supplied to the control unit 7.

Further, the operation input section 9 has a switch 91 for canceling the automatic control, and a first control not shown in FIG.
The third three setting switches, the ten-key pad, the enter key, etc. are arranged. The detection signal generated by the operation input unit 9 is supplied to the control unit 7. It is to be noted that reference numeral 92 in FIG. 1 is a current limiting resistor.

Further, the display unit 10 includes a plurality of LEDs,
Control information is supplied from the control unit 7 including a liquid crystal display panel, a sounding body, and respective drive circuits for driving them, and predetermined display and notification are performed according to the control information.

FIG. 5 is a block diagram showing a schematic configuration as an example of the control unit in the embodiment. As shown in FIG. 5, the control unit 7 includes a CPU (Central Processing Unit).
The CPU 51 is mainly composed of an input interface 52, an output interface 53, a communication interface 54, and a ROM (Read Only Mem) for the CPU 51 via a bus.
ory) 55, RAM (Randum Access Memory) 56, EEP
ROM (Electrically Erasable and Programmable Read
Only Memory) 57 and a clock unit 58 are connected.

The ROM 55 stores a boot program, program data and control data, and RAM
56 is used as a work area, and various data are written and read as needed. The EEPROM 57 needs to be stored and retained even when the power supply voltage is cut off, and the setting information of the power distribution device itself that may be rewritten, the setting information acquired from each device to which the power supply voltage is supplied, and the like. Is centrally stored and managed.

The clock section 58 is a clock circuit that measures time from a time input at the time of initial setting, a timer circuit that detects when a predetermined time has been set, and a predetermined year and month that has been set. The clock unit 58 has a calendar circuit or the like for detecting that the date has been reached, and the clock unit 58 generates time information including the current time, the current date, and the information related to the elapsed time. Is supplied to.

The communication interface 54 includes a parallel / serial conversion circuit, a serial / parallel conversion circuit, a buffer circuit, a driver and a receiver.
It complies with the 485 serial interface standard. The communication interface 54 and the terminals 407 and 408 of the distribution terminal board 4 described above are connected by wiring to form an external bus using a balanced communication path. Therefore, the communication interface 54, the external bus and the connectors 465 to 470.
It is possible to bidirectionally send and receive data between the control unit of the device having the same communication function connected via any of the above and the CPU 51 of the control unit 7.

The input interface 52 is supplied with the control information from the radio receiving section 8 described above, and the control information is supplied to the CPU 51 via the input interface 52.
A detection signal from the operation input unit 9 is supplied to the input interface 52, and the detection signal is converted into detection information by passing through the input interface 52, and the CPU
Is supplied to 51.

The output interface 53 includes the CPU 51.
Control information for controlling the switches 12 and 14 is supplied, and this control information is converted into a control signal by passing through the output interface 53 and supplied to each of the switches 12 and 14. In addition, the control information from the CPU 51 is displayed on the display unit 10 via the output interface 53.
Is supplied to.

The CPU 51 for centrally controlling each section in this way
Monitors the detection information indicating the state of the operation input unit 9, the control information from the communicable device, and the time information from the clock unit, and executes the process of a predetermined procedure according to the information.
Then, the CPU 51 generates control information to each unit as needed, supplies this control information via the output interface 53, and causes each unit to execute a predetermined operation.

Specifically, the CPU 51 has the operation input unit 9
When the instruction for setting input is recognized by the operation for, the display unit 10 displays a message such as a guide for setting input.
The registration process is performed by storing the user setting information input via the operation input unit 9 in a predetermined area of the EEPROM 57. Then, when the registration processing is completed, thereafter, as long as the switch 91 for canceling the automatic control is off, the switches 12 and 14 are operated according to the registered setting information and the time information from the clock unit 58. By automatically turning them on and off individually, the power consumption of the load device is reduced.

The CPU 51 also manages the replacement time of each part based on the maintenance information registered at the time of shipment and the time information from the clock part 58. The setting information input by the user is the current time, the on / off time of the commercial power supply voltage, and the on / off time of the DC power supply voltage.

The operation of the embodiment configured as described above will be described in more detail. First, the initial setting procedure in the above-described embodiment will be described. When the first setting switch of the operation input section 9 is operated, the control section 7 shifts to the initial setting mode and the message "Please input the current time" is displayed on the liquid crystal display panel of the display section 10. To be done. In this state, when the current time is input with the ten keys and the confirm key is pressed, the setting of the current time is completed.

When the second setting switch is operated, the switch 1 inserted in the wiring path of the commercial power supply voltage
2 is switched to the on / off time setting mode, and the display unit 10
A message "Please input the on / off time of AC" is displayed on the liquid crystal display panel. In this state, when the ON time and the OFF time are input by the ten keys and the confirm key is pressed, the AC ON / OFF time setting is completed.

Further, when the third setting switch is operated, the mode is changed to the setting mode of the on / off time of the switch 14 inserted on the DC power supply line of the DC / DC converter 6, and the liquid crystal display of the display unit 10 is displayed. On the board, a message "Please input the DC on / off time" is displayed.
In this state, when the ON time and the OFF time are input by the ten keys and the confirm key is pressed, the setting of the DC ON / OFF time is completed.

When the registration process is completed in this way and the setting switch 91 for canceling the automatic control is off, the CPU 51
Is the on / off state of the commercial power supply voltage according to the time information from the clock unit 58 and the setting information, and the DC / DC converter 6
The output on / off and collection of setting information and the like from each device are managed on a daily basis. That is, when the set predetermined time is reached, the switches 12 and 14 are separately turned on or off, and a message notifying the state is displayed on the display unit 10. Note that, at a predetermined time before the time when the switch is turned off, the setting information and the like are automatically collected for the communicable device.

Further, the setting switch 91 for canceling the automatic control
If is on, the above operation is not performed and the switches 12 and 14 remain off. Therefore, with respect to the supply and cutoff of the power supply voltage, the manual switch 11,
13 or by remote control via the wireless receiver 8 or the communication interface 54.

On the other hand, the CPU 51 replaces the electrolytic capacitor 324 (for example, 5 years) according to the time information from the clock unit 58 and the maintenance information registered at the time of shipment in addition to the above-described operation, and the battery pack. 16 replacement period (for example, 2 years), AC / DC converter 3 and DC / DC
The replacement period (for example, 15 years) of the converter 6 is monitored. Then, when each date is reached, control information for the display unit 10 is generated, a warning sound is generated by the sounding body, and a message prompting replacement is displayed on the display unit 10.

The warning sound and the message on the display unit 10 are canceled only when the replacement work is performed in a predetermined procedure and the reset operation is performed by the ten-key input. Further, the display of the message prompting the replacement may be performed not only on the display unit 10 but also on the display unit of a device having a communication function, which is connected via a connector. You may make it notify to the outside automatically.

FIG. 6A shows an example of the on / off time of the commercial power supply voltage set by the user.
6B shows an example of the on / off time of the output of the DC / DC converter 6 set by the user, and FIG.
(C) is a timing chart showing an example of the collection timing of the setting information from each device. This will be described more specifically with reference to FIG.

In FIG. 6A, T1 and T3 indicate the timing at which the switch 12 is turned on to supply the commercial power supply voltage, and T2 and T4 indicate the commercial power supply voltage when the switch 12 is turned off. It is the timing to shut off. That is, from 6:00 am to 12:00 am and from 6:00 pm to 12:00 pm, the time period during which the power supply voltage is supplied, and at other times, the power supply voltage is cut off and devices connected to the outlets 464 and 465 are connected. The consumption of standby power is avoided.

Further, in FIG. 6B, T5 indicates the timing at which the switch 14 is turned on and the output of the DC / DC converter 6, that is, the DC power supply voltage is supplied, and T5 indicates. Turn off switch 14 to turn DC /
This is the timing of shutting off the output of the DC converter 6.
That is, the power supply voltage is supplied from 8:00 to 11:00 pm, and at other times, the power supply voltage is cut off and consumption of standby power of the devices connected to the connectors 469 and 470 is avoided. .

Further, in FIG. 6C, T7, T8, and T9 indicate the collection timing of the setting information and the like of the communicable devices connected to the connectors 465 to 470. That is, immediately before the power supply voltage is cut off, the setting information or the like is automatically collected for the communicable device, and when the operation is completed, the switch 12 or 14 is turned off.

Therefore, the setting information of each device can be always held in the control section 7 of the power distribution device, and this held information can be read from the device side as necessary to cope with the re-turning of the power supply. In addition, even if a power failure occurs and the power supply is restored, the equipment can be quickly restored to the state before the power failure. The timing of automatic collection of the setting information and the like is set in advance at the time of shipment, and is executed by detecting the timing before the registered off time by a predetermined time.

The setting switch 91 for canceling the automatic control is used.
Is off, and if the switch 12 or switch 14 is on and a control instruction for turning off is transmitted from the device side, the control instruction has priority, and the switch 12 or 1
The one specified in 4 turns off.

On the contrary, when the switch 12 or the switch 14 is in the off state, the device connected to the outlet which is constantly supplied with the commercial power supply voltage, or
In the device connected to the connector to which the output of the DC / DC converter 6 is constantly supplied, or in the device driven by the battery, the wireless function corresponding to the communication function via the external bus or the wireless receiving unit 8 described above. The control instruction from the one having the transmission function is prioritized, and the one designated among the switches 12 and 14 is turned on. It is also possible to manually turn on a predetermined one of the switches 11 and 13 to supply the power supply voltage.

FIG. 7 is a partial plan view schematically showing an example of the wiring path and the connection relationship between each device connected to the connecting portion in the above-described embodiment. A specific usage example of the above-described embodiment will be described with reference to FIG. 7. In addition, in FIG. 7, the reference numeral 75 indicates the room in which the device is installed, the reference numeral 71 indicates the entrance,
81 is a wall (indicated by diagonal hatching in the figure)
Is.

As shown in FIG. 7, the power distribution device according to the embodiment is attached to the wall near the entrance 71. Specifically, in the metal case 72, the earth leakage breaker 2 described above is provided.
, AC / DC converter 3, uninterruptible power supply unit 5, and DC
The / DC converter 6 and the switches 12 and 14 are housed. In addition, the distribution terminal board 4 is provided on the metal case 73.
Is stored. It should be noted that the switches 11 and 13 are arranged at predetermined positions beside the entrance.

The wiring derived from the distribution terminal board 4 is 74
In the space indicated by, it is fixedly installed on the indoor ceiling and
In No. 5, it is fixedly installed inside the wall. That is,
In the room where each device is installed, it is never exposed and is hidden.

The outlet 461 has a refrigerator 7
6, a personal computer set 77 including a CRT is connected to the outlet 462, and a commercial power supply voltage is constantly supplied. On the other hand, outlet 464
A television receiver 78, which can be remotely controlled from an external control unit, is connected to, and the commercial power supply voltage is supplied only when one of the switches 11 and 12 is turned on. For this reason, since the power is supplied only for a limited time, the standby power of the television receiver 78 is reduced.

The main body of the personal computer set 77, which uses only the communication path, is connected to the connector 466, and data can be exchanged by communication with the control unit 7 via an external bus. Therefore, the switches 12 and 14 can be remotely controlled from the personal computer set 77. Note that, in FIG. 7, the external bus is indicated by a dashed arrow.

A peripheral device 79 of a personal computer is connected to the connector 469, and the output of the DC / DC converter 6 is supplied only when one of the switches 13 and 14 is turned on. Therefore, the peripheral device 7
With respect to 9, the standby power is reduced because the power is supplied only for a limited time. In addition, the peripheral device 79,
Since the data can be exchanged by communication with the control unit 7 through the external bus, the setting information and the like can be saved in the control unit 7 of the power distribution device.

The connector 467 has a charging circuit inside,
A mobile terminal 80 having a secondary battery is connected to DC / DC
The output of the converter 6 is constantly supplied. In addition, the mobile terminal 80 has a transmission function corresponding to the wireless reception unit 8 and can transmit data from the mobile terminal 80 to the control unit 7 by wireless communication without using the communication path of the connector 467. Is configured. Therefore, the switches 12 and 14 can be remotely controlled from the mobile terminal 80.

Even in the event of a power failure, the portable terminal 70 is backed up by the output of the DC / DC converter 6, and the portable terminal 7 is disconnected from the connector 166.
The operation of No. 0 is ensured by an internal secondary battery and can flexibly respond to a disaster.

Therefore, the first embodiment configured as described above has the following effects. First, the first effect thereof is that a device requiring standby power can be arbitrarily and manually disconnected from the power source, and power saving can be achieved.

The second effect is that the power supply unit on the device side and the A
The C adapter is not necessary, and it is possible to achieve cost reduction and space saving.

Furthermore, the third effect is that the AC / DC converting means is realized by the switching stabilized power supply circuit, and the efficiency can be improved.

The fourth effect is that the voltage smoothing section is provided with a detachable exchange-type electrolytic capacitor so that the safety can be improved and the cost can be reduced.

The fifth effect is to provide an uninterruptible means and back up the output of the AC / DC converting means, thus flexibly responding to a power failure such as a disaster and protecting the control unit of the connected equipment. The point is that you will be able to.

The sixth effect is that the power supply voltage is supplied at a preset timing based on the clock function.
The point is that convenience can be improved.

The seventh effect is that the replacement time of each part can be managed, and the safety and reliability can be further improved.

The eighth effect is that, due to the structure of the distribution terminal board, it is possible to efficiently and flexibly cope with the indoor power supply environment, and a predetermined wiring path is provided in the preceding stage of the distribution terminal board. Since the switch is inserted, the power of the load device can be efficiently managed by the smaller number of switches.

The ninth effect is that since the wiring is fixedly installed so that the wiring is not exposed in the room in which the equipment is installed, the workability and habitability in the room can be improved. It is in.

Next, another embodiment will be described. In the above-described embodiment, the case where the five outlets 461 to 465 are provided as the connecting portions and the five connectors 466 to 470 are provided as the connecting portions for the direct current have been described, but the number may be increased or decreased as necessary. May be. That is, the present invention is not limited to the number of connecting portions. Also,
In the above-described embodiment, the case where the DC power supply voltage line and the communication path are formed by one connector has been described. However, the portion used as the communication path may be independent, or may be used as the communication path. Instead, they may be separated and used as a direct current connecting portion. Further, the wiring used as the communication path may be used as a mere control line, and this wiring may be connected to the input interface 52 of the control unit 7. In this case, the state of this control line is monitored via the input interface 52, and the ON / OFF of the switches 12 and 14 is controlled according to the result.

Further, in the above-described embodiment, the case where the switches 12 and 14 are provided in the front stage of the distribution terminal board 4 has been described, but the switches are inserted in the respective wirings on the rear stage side, and they are separately provided. The control may be performed, or the wiring may be branched at a subsequent stage of the distribution board 4 to further add a plurality of connecting portions at the tip of the branch line. Further, a power supply line to which commercial power is constantly supplied may be used as a trunk line, and a power distribution device having a similar configuration may be added in a subsequent stage of the distribution terminal board 4 as needed.

Furthermore, in the above-described embodiment,
Although the circuit breaker for the wiring, the fuse, the surge absorbing circuit, and the like are omitted, they are inserted into each part as necessary. Further, in the above-described embodiment, the case of using the AC / DC converter of the switching system has been described, but a system using a power transformer may be used. Further, although the case where only the output of the DC / DC converter 6 is supplied to the connecting portion side as the DC power supply voltage has been described, the output of the AC / DC converter 3 may also be supplied to the connecting portion via the connector. . In addition, the AC / DC converter 3 is used as a multi-output, and a DC voltage having another value such as 3.3V or 24V other than 12V and 5.5V is further generated to generate the DC voltage to the device side via the distribution terminal board 4 and the connector. It may be supplied.
That is, the DC power supply voltage is set according to the request from the device side, and the present invention is not limited to the voltage value.

Further, in the above-mentioned embodiment,
The case of managing the supply and cutoff of the power supply voltage based on the on / off time set for the switches 12 and 14 has been described, but the power supply voltage may be cut off by setting only the off time. In this case, it is required by remote control from a device that has a communication function and is connected to an outlet or connector that is always supplied with power supply voltage, or from a device that has a communication function and operates independently from a battery. Then, the switches 12 and 14 are turned on according to.

In the above-described embodiment, A
The case where the C / DC converter 3 and the DC / DC converter 6 generate a voltage of 5.5 V has been described.
The output of the C / DC converter 3 is set to 5.5 V and used as it is as the DC power supply voltage, and the uninterruptible portion 5 and the DC / DC converter 3
The DC converter 6 may be omitted. In addition,
The output of the AC / DC converter 3 is used as it is as the power supply voltage of 5.5V, and the uninterruptible portion 5 and the DC are used.
When the / DC converter 6 is provided, a semiconductor switch or the like that is turned on by detecting a power failure is provided, and the output of the DC / DC converter 6 is
The configuration may be such that the C / DC converter 3 is applied to the output line. In addition, with the configuration of the above-described one embodiment,
When the output of the AC / DC converter 3 is set to 5.5V and is not used as a power supply voltage as it is, the charging circuit 15 is operated at 5.5V and the DC / DC converter 6 is operated.
Is boosted and stabilized at 5.5V. Regarding the power supply for the charging circuit of the uninterruptible power supply unit 5, AC / DC
The converter 3 may have multiple outputs, or a dedicated power transformer may be separately provided, and various configurations are possible. Furthermore, since the backup capability of the uninterruptible unit 6 depends on the secondary battery, a solar cell, a wind power generator, or the like may be separately provided outdoors and the output thereof may be supplied to the uninterruptible unit 5.

It should be noted that the present invention is not limited to the above-described embodiments, and it is apparent that each embodiment can be appropriately modified within the scope of the technical idea of the present invention. Further, the number, positions, shapes, etc. of the constituent members are not limited to those in each of the above-described embodiments, and the number, positions, and shapes suitable for carrying out the present invention can be used. Further, the same reference numerals are given to the same constituent elements in each drawing.

[0112]

Therefore, according to the present invention, it is possible to flexibly cope with the indoor power source environment, and it is possible to achieve power saving and space saving.

[Brief description of drawings]

FIG. 1 is a block diagram showing an overall configuration of an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a configuration of a power distribution terminal board according to the embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of an AC / DC converter according to an embodiment of the present invention.

FIG. 4 is a circuit diagram showing a configuration of a rectifier circuit of an AC / DC converter according to an embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a control unit according to an embodiment of the present invention.

FIG. 6 is a time chart used to explain the operation of the embodiment of the present invention.

FIG. 7 is an explanatory diagram showing a specific usage example of an embodiment of the present invention.

[Explanation of symbols]

1a, 1b, 301a, 301b, 321a, 321b
Input terminal 2 Earth leakage breaker 3 AC / DC converter 4 Distribution terminal board 5 Uninterruptible section 6 DC / DC converter 7 Control section 8 Wireless receiving section 9 Operation input section 10 Display section 11, 12, 13, 14, 91, 328 switch 15 charging circuit 16 battery pack 51 CPU 52 input interface 53 output interface 54 communication interface 55 ROM 56 RAM 57 EEPROM 58 clock unit 302 noise filter 303 rectifier circuit 304 switching unit 305 output transformer 306 high-frequency rectifier circuits 307, 327a, 327b output Terminal 308 Constant voltage control circuit 309 PWM control circuit 310 Drive transformer 311 Auxiliary transformer 312 Auxiliary power supply circuit 322 Power thermistor 323 Rectifier bridge 324 Exchange type electrolytic capacitors 401-408, 411-4 0 terminals 441 to 448 connected cable 451-458 shorting member 461,462,463,464,465 outlet 466,467,468,469,470 connector

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 2F002 AA07 AE01 BA26 BB04 FA32                       GA09 GC22                 5G016 DB08

Claims (15)

[Claims] 1. A power distribution device for supplying a power supply voltage to a connection part provided in each indoor part, the wiring being connected to one of the connection parts and being always supplied with the power supply voltage, and the connection part. And a wiring that is connected to the other of the two and is supplied with a power supply voltage via a predetermined switch. 2. A power distribution device for supplying a power supply voltage to a connection part provided in each indoor part, wherein a wiring connected to the connection part and supplied with a commercial power supply voltage, and the commercial power supply voltage being predetermined. AC / DC converting means for converting to a stabilized DC voltage, a DC connecting portion separately provided other than the connecting portion, and a DC connecting portion connected to the DC connecting portion. A power distribution device comprising: a wiring to which an output is supplied. 3. A power distribution device for supplying a power supply voltage to a connection part provided in each indoor part, the first wiring being connected to one of the connection parts and being constantly supplied with a commercial power supply voltage. A second wiring connected to the other of the connecting portions and supplied with a commercial power supply voltage via a predetermined switch; and an AC / DC converting means for converting the commercial power supply voltage into a predetermined stabilized DC voltage. A connection part for direct current arranged separately from the connection part, and a third wiring connected to the connection part for direct current and supplied with an output of the AC / DC converting means. And a power distribution device. 4. The power distribution device according to claim 2, wherein the AC / DC converting means is realized by a switching stabilized power supply circuit. 5. The power distribution device according to claim 2, wherein the voltage smoothing unit of the AC / DC converting unit is provided with a removable electrolytic capacitor. 6. The method according to claim 2, further comprising an uninterruptible unit including a secondary battery, wherein the uninterruptible unit backs up an output of the AC / DC converting unit. The power distribution device according to item 1. 7. A control means having a clock function is further provided, and the control means cuts off the power supply voltage by turning off the predetermined switch at a timing preset based on the clock function. The power distribution device according to any one of claims 1 to 3 to 6. 8. The power distribution device according to claim 7, wherein the control unit further supplies the power supply voltage by turning on the predetermined switch at a preset timing based on a clock function. . 9. A control means having a clock function, and a notification means, wherein the control means controls the AC / DC conversion means, the exchange-type electrolytic capacitor, or the secondary battery based on the clock function. The power distribution device according to claim 2, wherein the replacement time is managed, and when the replacement time is reached, a control signal is generated for the notification means. 10. The power distribution device according to claim 1, further comprising wiring for communication or control other than the wiring. 11. The power distribution device according to claim 1, further comprising another switch that invalidates the function of the predetermined switch. 12. The remote control means for turning on / off the predetermined switch wirelessly or by wire is further provided, according to any one of claims 1 to 3 to 11.
The power distribution device according to item. 13. A distribution terminal board in which terminals derived from a power source side and terminals connected to each of the wirings are centrally arranged, and a connection relationship between each terminal of the distribution terminal board. The power distribution device according to any one of claims 1 to 12, wherein the connection relationship between the power supply side and the connection part side is arbitrarily set by. 14. The power distribution device according to claim 13, wherein the predetermined switch is inserted in a wiring path which is a front stage of the distribution terminal board. 15. The wiring is arranged at a location other than a wall and a floor surface forming each room having the connection portion or the DC connection portion.
15. The power distribution device according to any one of claims 14 to 14.