JP2000299037A - Power supply device for kitchen and sanitary space - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive power feed device for kitchen and sanitary space capable of preventing such a migration phenomenon that metal in a receiving blade of an outlet is ionized and dissolved by voltage and moisture even when a plug is not connected to the outlet installed in a kitchen and sanitary space and an opening part exists. SOLUTION: A power supply device is constituted with a power source device 16 outputting a specified low voltage power by insulating a commercial power source; an outlet 17 for inputting power and supplying it; a plug connecting state detecting means 19 installed in the outlet 17; and a power shut off means 22 installed within the power source device 16, within the outlet 17, or between the power source device 16 and the outlet 17, and when a plug is not connected to the outlet 17 and an opening part through which moisture enters the outlet 17 exists, voltage is not applied to a blade of the outlet with the power shut off means 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device using an outlet installed in a humid place or a humid place such as a bathroom.

[0002]

2. Description of the Related Art The installation of an outlet for AC 100 V in a bathroom is prohibited by extension rules. As shown in FIG. 6, the outlet 3 is only allowed to be located as far away as possible from the bathtub 2 of the Western-style bathroom 1 without a washing place.

[0003] Waterproof connectors are generally present, but are plugged and unplugged in a dry place, and are used in a humid place or a wet place while being connected.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention has proposed a bathroom power supply device in which a commercial power supply is insulated and a low voltage power supply is used in the bathroom. This is Japanese Patent Application No. 10-104483.
The waterproof connection is shown in FIG. The plug portion 5 is inserted into the connector receiving portion 4, and the packing 7 is compressed and waterproofed by screwing the cap portion 6. When there is no plug 5,
The protective connector section 8 is screwed in so that moisture does not enter the electrodes 9 of the connector receiving section 4. Further, magnets 10 and 11 are embedded in the cap portion 6 and the protection connector portion 8. When the cap portion 6 and the protection connector portion 8 are tightened to the proper positions, the reed switch 12 detects the magnet 10, but the magnet 10 If not detected, the contact of the relay 13 in the connector receiving portion 4 is opened so that the electrode 9 is not energized, and the lamp 14 or a buzzer informs of the incomplete connection.

The present invention clarifies the arrangement of a power cut-off means for preventing power from being supplied to a receptacle blade of an outlet to which a plug is not inserted in such a power supply device.
In particular, an object of the present invention is to provide a water supply device suitable for a humid environment at a low cost even if a plurality of outlets are installed.

[0006]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a power supply device that insulates a commercial power supply and outputs a predetermined low-voltage power, an outlet that inputs and supplies the power, A plug connection state detection means provided in the outlet, and power cutoff means operated by the plug connection state detection means provided in the power supply device, in the outlet, or in the middle of the power supply device and the outlet; Is not connected, no voltage is applied to the receptacle of the outlet by the power cutoff means.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to a first aspect of the present invention provides a power supply device that insulates a commercial power supply and outputs a predetermined low-voltage power, an outlet that inputs and supplies the power, and an outlet provided in the outlet. Plug connection state detection means, and power cutoff means operated by the plug connection state detection means provided in the power supply device or in the outlet or in the middle of the power supply device and the outlet, wherein the plug is not connected to the outlet. When the outlet has an opening through which moisture can enter, the power cutoff means does not apply voltage to the receptacle blade of the outlet, and the receptacle blade of the outlet migrates when the metal is ionized and melted by the voltage and humidity. It is to prevent.

According to a second aspect of the present invention, the outlet is a multi-port outlet or a plurality of outlets, and is a power supply device capable of simultaneously using a plurality of electric devices.

According to a third aspect of the present invention, the outlet is provided with a plug connection state detecting means, and the plug connection state detecting means is provided with a power cut-off means which operates mechanically or electrically. It can be used by automatically plugging the outlet into the outlet.

According to a fourth aspect of the present invention, an outlet is provided with a plug connection state detecting means and a power cutoff means, and when the plug is not connected to the outlet, the power cutoff means is locked to operate the power cutoff means. It is not possible to apply a voltage to the receptacle blade of the outlet, and it is possible to individually control power supply and non-power supply to the outlet with a simple configuration.

According to a fifth aspect of the present invention, there is provided a plug connection state detecting means and a power cutoff means provided respectively in the outlets, and the power cutoff means is used except when plugs are connected to all the outlets. The output of the power supply device is cut off, and the energization of a plurality of outlets can be controlled by one power cutoff unit.

According to a sixth aspect of the present invention, the power cutoff means is for stopping the power supply device. By cutting off the power supply, the standby power can be reduced and the power cutoff means for the large current can be cut off. Power can be cut off without using it.

According to a seventh aspect of the present invention, when a waterproof plug is provided in the opening of the outlet, the plug connection state detecting means operates in a manner equivalent to that in which the plug is connected to the outlet. In particular, in the configuration according to the second to sixth aspects, even if the plugs are not connected to all the outlets, the apparatus can be used by energizing the equipment.

According to an eighth aspect of the present invention, the outlet of the outlet is installed downward, so that it is difficult for water to splash in the bathroom, and when the plug is not connected, the water droplets that have entered the interior can easily come out. I have.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 1 is a diagram showing the configuration of an embodiment of the present invention. Insulates commercial power supply 15 and direct current 45V
A power supply device 16 that outputs power of a predetermined low voltage of 30 V or less or less is provided outside the bathroom 1. Outlet 1 for inputting and supplying power output from the power supply device 16
Place 7 and 18 in the bathroom. The outlet 17 is provided with a Hall IC 19 as a plug connection state detecting means. When detecting the magnet 21 embedded in the plug 20 of the terminal device, the terminal device A can be used by closing the contact of the relay 22 serving as the power cutoff means and supplying a voltage to the outlet receptacle blade 23. On the other hand, no plug is inserted in the outlet 18. Then, the Hall IC 24 keeps the contact of the relay 25 open, so that the plug is not connected to the outlet and the opening 2 through which moisture can enter the outlet.
In the case where there is 6, the voltage is not applied to the receptacle 27 of the outlet by the relay 25 which is the power cutoff means, and the receptacle of the outlet prevents the metal from being ionized and melted by the voltage and moisture. is there.

When the power cut-off means is provided for each outlet, terminal equipment is connected to some outlets, and the remaining outlets can be individually supplied with power even when they are not connected, which is convenient.

(Embodiment 2) FIG. 2 is a structural view of an outlet according to a second embodiment. Inside the outlet 28 there is a movable contact piece 29 which is a power cutoff means, and there is a plate 30 for moving it. The plate 30 is normally pressed by a spring 31 to open the contacts, but when the plug 32 is inserted, the plate 30 is pressed by a projection 33 at the center of the plug to close the contacts and supply power to the receptacle 34 of the outlet. Is what you do. If the contacts are moved mechanically in this way, the power for driving the power cut-off means becomes unnecessary, and if the plug is left connected, the contacts remain closed. Each contact is opened and closed each time power is supplied from the device, and the contact life is extended unlike a relay in which a spark is generated.

By turning the outlet downward, it is difficult for water to fall in the bathroom, and when the plug is not connected, water droplets that have entered the outlet easily come out. An O-ring 35 is fitted into the plug 32 so that moisture does not enter the outlet when the plug is connected.

(Embodiment 3) The structure of the outlet of the third embodiment is shown. FIG. 3A shows a state where the plug is not connected to the outlet, and FIG. 3B shows a state where the plug is connected. In this structure, the power cutoff means is a manually operated slide switch type, and the slide lever 3
Move the contact 6 to the left to open the contact 37, move it to the right to make the contact 3
7 closes. A lock lever 38 is provided in the outlet, and rotates around a fulcrum 39. When the plug is not connected as shown in FIG. 3A, the lock lever 38 is pushed by the spring 40 so that the pawl is hooked on the slide lever 36 and the slide lever cannot be moved to the right. Cannot be energized. When the plug 41 is connected as shown in FIG. 3B, a projection 42 at the center of the plug is formed.
As a result, the lever 38 is pushed, the claw is disengaged, and the slide lever 36 can be moved to the right to energize. At this time, the plug 41 has the groove 43, and the claw 44 provided integrally with the slide lever 36 comes out to prevent the plug 41 from coming off.

Although the slide lever 36 is manually operated by an operation knob (not shown) exposed on the outer surface of the outlet, the present invention is not limited to this.

(Embodiment 4) FIG. 4 is a block diagram of a fourth embodiment of the present invention. The power supply 16 is installed in the bathroom 1 in a waterproof box. The power cutoff means 45 is installed in the middle of the wiring between the power supply device 16 and the outlets 46 and 47. The magnet 49 embedded in the plug 48 is detected by the reed switches 50 and 51 as plug connection state detecting means. The reed switches 50 and 51 are connected in series,
Only when plugs are connected to all outlets,
The relay of the power cutoff means 45 is closed so that the output power of the power supply 16 can be supplied to the outlets 46 and 47. Since the energization of a plurality of outlets can be controlled by one power cutoff means, the power supply device can be inexpensive and the outlet can be downsized.

When the number of outlets supplied from one power supply device is large, the outlets may be divided into several blocks, and a power cutoff means may be provided for each block.

(Embodiment 5) FIG. 5 is still another configuration diagram of the present invention. Two outlets 53 from power supply 52
Power is supplied to The plug connection state detecting means is a photo LE
The light emitted from D54 and D55 is
If it reaches 7, it is determined that there is no plug, and if light is blocked, it is determined that there is a plug. The power supply device 52 has start / stop input means 58 that operates based on the outputs from the phototransistors 56 and 57. When the plugs are connected to all the outlets and the light of all the phototransistors is shut off, Only the power supply is activated to supply power to the outlet. As described above, the power cutoff unit cuts off the power supply by stopping the power supply device, thereby reducing standby power and shutting off power without using a large current power cutoff unit such as a relay.

However, it is inconvenient if power is not supplied unless plugs are connected to all outlets. Therefore, if the waterproof plug 59 is placed in the opening of the outlet, the light is shut off, and the plug connection state detecting means operates in the same manner as that in which the plug is connected to the outlet. In this way, even if the plug of the terminal device is not connected to all outlets, the device can be energized and used, and the waterproof plug prevents moisture from entering the plug.

[0026]

According to the first aspect of the present invention, when the plug is not connected to the outlet and the outlet has an opening through which moisture can enter, no voltage is applied to the receptacle blade of the outlet by the power cutoff means. Therefore, the receptacle blade of the outlet can prevent migration of the metal being ionized and melted by the voltage and humidity.

According to a second aspect of the present invention, there is provided a power supply device capable of simultaneously using a plurality of electric devices.

According to the third aspect of the present invention, the user can automatically use the outlet by simply connecting the plug to the outlet.

According to the invention described in claim 4, power supply and non-power supply can be individually controlled for outlets with a simple configuration.

According to a fifth aspect of the present invention, energization of a plurality of outlets can be controlled by one power cutoff means.

According to the invention described in claim 6, the standby power can be reduced, and the power can be cut off without using a large current power cut-off means.

According to the invention described in claim 7, even if a plurality of outlets are connected to one power cut-off means, even if plugs are not connected to all outlets, power can be supplied to the device and used. .

According to the eighth aspect of the present invention, water is less likely to splash in the bathroom, and when the plug is not connected, water droplets that have entered the outlet are more likely to come out.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a power supply device for water around in Embodiment 1 of the present invention.

FIG. 2 is a structural view of an outlet according to a second embodiment of the present invention.

FIGS. 3A and 3B are structural views of an outlet according to a third embodiment of the present invention.

FIG. 4 is a configuration diagram of a power supply device for water around according to a fourth embodiment of the present invention.

FIG. 5 is a configuration diagram of a power supply device for water around according to a fifth embodiment of the present invention.

FIG. 6 is an installation diagram of a conventional bathroom outlet.

FIG. 7 is a structural diagram of a conventional bathroom outlet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bathroom 15 Commercial power supply 16 Power supply device 17 Outlet 19 Hall IC (plug connection state detection means) 20 Plug 21 Magnet 22 Relay (power cutoff means)

Continued on the front page (72) Inventor Toyohei Harada 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 2D032 GA00 5G034 AA20 AC20 AE06

Claims (8)

[Claims] A power supply device that insulates a commercial power supply and outputs a predetermined low-voltage power; an outlet that inputs and supplies the power; a plug connection state detection unit provided in the outlet; A power supply device for water around water, comprising: a power cut-off unit that is operated by the plug connection state detection unit provided inside or within the outlet or in the power supply device and in the middle of the outlet. 2. The water supply device according to claim 1, wherein the outlet is a multi-port outlet or a plurality of outlets. 3. A power cut-off means which operates mechanically or electrically by a plug connection state detecting means, and when a plug is not connected to an outlet, a voltage is applied to a receptacle of the outlet by the power cut-off means. Claim 1 which does not
Or the water supply device according to 2. 4. An outlet provided with a plug connection state detecting means and a power cutoff means, and when the plug is not connected to the outlet, the power cutoff means is locked and a voltage is applied to a receptacle of the outlet. The power supply device for water around according to any one of claims 1 to 3, wherein the power supply device is configured not to perform the power supply. 5. A plug connection state detecting means provided in each outlet and a power cutoff means are provided, and the output of the power supply device is cut off by the power cutoff means except when plugs are connected to all the outlets. The power supply device for water around according to any one of claims 1 to 4. 6. The water supply device according to claim 1, wherein the power cutoff means cuts off the supply of power by stopping the power supply device. 7. When the waterproof plug is set in the opening of the outlet, the plug connection state detecting means operates in the same manner as that in which the plug is connected to the outlet.
The water supply device according to any one of the above items. 8. A power supply device for water around which the opening of the outlet is set downward.