JP2007149492A - Power supply apparatus having plurality of receptacles, and judgment method of removability of power supply apparatus - Google Patents

Power supply apparatus having plurality of receptacles, and judgment method of removability of power supply apparatus Download PDF

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Publication number
JP2007149492A
JP2007149492A JP2005342013A JP2005342013A JP2007149492A JP 2007149492 A JP2007149492 A JP 2007149492A JP 2005342013 A JP2005342013 A JP 2005342013A JP 2005342013 A JP2005342013 A JP 2005342013A JP 2007149492 A JP2007149492 A JP 2007149492A
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Prior art keywords
plug
power
switch
outlets
indicator lamp
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Pending
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JP2005342013A
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Japanese (ja)
Inventor
Hiroya Ishida
Takahiro Kida
隆博 木多
泰也 石田
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Chiyuuden Plant Kk
中電プラント株式会社
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Priority to JP2005342013A priority Critical patent/JP2007149492A/en
Publication of JP2007149492A publication Critical patent/JP2007149492A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To enable to surely pull out only a plug of an electric apparatus except in use even when a power supply apparatus having a plurality of receptacles are simultaneously used. <P>SOLUTION: An electric work drum (power supply apparatus having the plurality of the receptacles) 1 has a display lamp 6 which is installed at the plug 5 and to which the power supply supplied to respective receptacles 3a to 3d can be supplied, a switch 7 installed at the drum main body 2 and switched so that the power supply will be supplied to the display lamp 6, and an intermediate cord 8 connected between the display lamp 6 and the switch 7. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a power supply device having a plurality of outlets such as an electric drum used for securing a power supply at a work site such as electrical work, and a method for determining whether or not the power supply device can be removed.

  Various electrical equipment is used for electrical work, new construction of buildings, maintenance work outdoors, etc.Electric drums are used to secure power when these work sites are remote from the power source. It is done. The electric drum has a plurality of outlets provided in the drum body, and a plug provided at the end of the extension cord drawn from the drum body and common to each outlet. This electric drum is easy to carry by wrapping the extension cord around the drum body when not in use.

  By the way, in a large-scale electric work or the like, power must be supplied to many work sites, so that many electric drums are used at the same time. Each electric drum is used in a state where a plug is connected to a power source and many external plugs drawn from various electric devices are inserted into each outlet.

  In this way, when many electric drums are used at the work site, the extension cords are drawn for a long time and become confused, so it becomes difficult to determine the plug corresponding to the electric drum in use. . For this reason, when the electric drum is removed from the power supply in order to remove the electric drum that has been used after the work is completed, the plug of the other electric drum in use is accidentally pulled out instead of the plug of the electric drum. Sometimes. In the case of such an erroneous operation, the plug that has been pulled out by mistake must be connected to the power source again, so that useless work is required. In some cases, accidentally pulling out the plug may affect the work using the electric drum. For this reason, when removing the electric drum from the power source, it is desired to carefully pull out only the plug of the electric drum other than being used from the power source after carefully deciding whether to remove the electric drum from the power source.

  Under such circumstances, a power cord in which a display lamp is provided in a plug portion is provided. (For example, refer to Patent Document 1). This power cord includes a power plug with an indicator lamp, an intermediate switch, and an appliance main body plug. The power cord is inserted into the power source and the household appliance is connected to the electric appliance main body plug. When plugged in, the electrical switch and the indicator lamp are energized simultaneously by turning on the intermediate switch. Therefore, the indicator lamp is always turned on when the electric appliance is used.

According to the power cord of such a configuration, even in the case of electric appliances that can not be easily confirmed without touching whether it is in use, such as a rattling goat or an electric anchor among household electric appliances, When the indicator lamp of the power plug is lit, it can be visually confirmed that the appliance is in use, so that it is possible to prevent forgetting to turn off the appliance.
JP 7-282927 A

  By the way, in the power cord as described in Patent Document 1, the power cord to which the electric appliance is connected can always confirm that the electric appliance is in use because the indicator lamp is always lit. A power cord that is not lit so-called power cords that are not in use have no problem even if the power plug is left plugged into the power source, so there is no need to unplug it from the power source. In other words, the power cord whose indicator lamp is not lit turns off the intermediate switch even if household appliances are not inserted in the appliance main body side plug, or even if appliances are inserted in the plug. In any case, there is no worry about forgetting to turn off the appliance because the appliance is not in use even if the plug is left plugged in anyway.

  On the other hand, as described above, in a work site where many electrical drums are used, it is necessary to unplug the plug from the power source in order to remove the electrical drum after the work is finished and used. Therefore, the power cord of Patent Document 1 is not a solution for preventing the plug from being pulled out due to an erroneous operation that tends to occur when a plurality of electric drums are used simultaneously.

  Accordingly, the present invention provides a power supply device having a plurality of outlets that can reliably pull out only a plug of a power supply device having a plurality of outlets other than in use even when a power supply device having a plurality of outlets is used at the same time. It is an object of the present invention to provide a method for determining whether or not a power supply device can be removed.

In order to achieve the above object, the present invention according to claim 1 can be connected to a power source provided at a plurality of outlets provided on a device support and at an end of an extension cord drawn from the device support. And a power supply device having a plurality of outlets having a plug commonly connected to each outlet, the indicator lamp provided on the plug and capable of supplying the power supplied to each outlet, It has a switch which is provided in the equipment support and switches to supply the power to the indicator lamp, and an intermediate cord connected between the indicator lamp and the switch.
(Function)
The switch provided on the device support performs an operation of switching the power supplied from the plug to each outlet so as to be supplied to the indicator lamp provided on the plug through the intermediate cord.

According to a second aspect of the present invention, in the power supply device having a plurality of outlets according to the first aspect, the indicator lamp is turned on when the switch is switched to supply the power to the indicator lamp by the switch. It is characterized by doing.
(Function)
When the switch is switched to supply power to the indicator lamp through the intermediate cord, the indicator lamp is lit.

According to a third aspect of the present invention, in the power supply device having the plurality of outlets according to the first or second aspect, the switch is provided on the surface of the device support so as to be manually operable.
(Function)
By operating the switch provided on the surface of the device support, the switching operation of the switch is easily performed.

The present invention according to claim 4 is provided at the end of the plurality of outlets provided on the equipment support and the extension cord drawn out from the equipment support and can be connected to a power source, and to each outlet. A power supply device having a plurality of outlets having a plug connected in common, the indicator lamp provided on the plug and capable of supplying the power supplied to each outlet; A switch corresponding to the number of outlets provided, and a switch for switching the power supply to the indicator light when an external plug is inserted into each outlet, and the switch connected between the indicator light and the switch And an intermediate code.
(Function)
When an external plug is inserted into each outlet provided on the device support, the power supplied from the plug to each outlet by the switch provided on the device support is supplied to the indicator light provided on the plug through the intermediate cord. The operation of switching to supply to

According to a fifth aspect of the present invention, in the power supply device having a plurality of outlets according to the fourth aspect, when the external plug is inserted into any one of the outlets, the external plug is supported. The indicator light is turned on by switching so that the power is supplied to the indicator light by the switch.
(Function)
When an external plug is inserted into any one of the outlets, the switch corresponding to the external plug is switched to supply power to the indicator lamp through the intermediate cord, so that the indicator lamp is lit.

According to a sixth aspect of the present invention, in the power supply device having the plurality of outlets according to the fourth or fifth aspect, a push-type switch is used as a switch.
(Function)
By using a push-type switch as a switch, the switch is turned on only while it is being pressed, so that power is supplied to the indicator lamp only during that time.

The present invention according to claim 7 is provided at an end portion of a plurality of outlets provided on the device support and an extension cord drawn out from the device support and can be connected to a power source, and connected to each outlet. A method for determining whether or not to remove a power supply device having a plurality of outlets having a commonly connected plug, wherein the plug is provided with an indicator lamp capable of supplying the power supplied to each outlet, and the device A switch is provided on the support so as to supply the power to the indicator lamp through an intermediate cord. When no external plug is inserted into any of the outlets, the switch supplies the power to the indicator lamp. The indicator lamp is lit and the plug is unplugged from the power source when the lighting is confirmed. It is characterized in.
(Function)
When an external plug is not inserted into any of the outlets, the indicator lamp is turned on by supplying power to the indicator lamp with a switch. When the indicator light is turned on, it is determined that the power supply device having a plurality of outlets is not in use, and the plug is pulled out from the power source.

The present invention according to claim 8 is provided at a plurality of outlets provided on the device support, and at an end of an extension cord drawn from the device support, and can be connected to a power source. A method for determining whether or not to remove a power supply device having a plurality of outlets having a commonly connected plug, wherein the plug is provided with an indicator lamp capable of supplying the power supplied to each outlet, and the device The support is provided with a switch corresponding to the number of the outlets, and when the external plug is inserted into the outlets, the switch is switched to supply the power to the indicator light through an intermediate cord. When the external plug is inserted into one, the switch is switched to supply the power to the indicator light by the switch.示灯 is lit, it is characterized by determining to not remove the plug from the power source when checking the lighting.
(Function)
When an external plug is inserted into any one of the outlets, the indicator lamp is turned on by supplying power to the indicator lamp with a switch. When the indicator light is turned on, it is determined that a power supply device having a plurality of outlets is in use, and the plug is not pulled out from the power source.

  According to the first aspect of the present invention, there is provided an indicator lamp provided on a plug at an end of an extension cord drawn from an apparatus support having a plurality of outlets and capable of supplying power supplied to each outlet; A power supply device having a plurality of outlets is configured by a switch that is provided on the support and switches to supply power to the indicator light, and an intermediate cord connected between the indicator light and the switch. When an external plug is not inserted into any of the outlets, the indicator lamp is turned on by supplying power to the indicator lamp with a switch. As a result, by confirming the lighting of the indicator light provided on the plug, when the indicator light is on, the power supply device having a plurality of outlets corresponding to this plug is assumed not to be in use. It can be determined that the power supply can be pulled out. Further, when using the electric device, it is necessary to switch the switch to turn off the lit indicator lamp and supply power to each outlet, so that it is possible to prevent forgetting to return the switch. Contrary to the above case, when the indicator lamp is not lit, it is determined that a power supply device having a plurality of outlets corresponding to this plug is in use and that the plug should not be removed from the power supply. Can do. Therefore, even when a power supply device having a plurality of outlets is used at the same time, only the plug of the power supply device having a plurality of outlets other than in use can be reliably pulled out from the power supply.

  According to invention of Claim 4, the indicator lamp which is provided in the plug of the edge part of the extension cord withdraw | derived from the apparatus support body which has several outlets, and can supply the electric power supplied to each outlet, A switch corresponding to each outlet is provided on the support, and a switch that switches the power supply to the indicator when an external plug is inserted into each outlet, and an intermediate connected between the indicator and the switch Since a power supply device having a plurality of outlets is configured by the cord, when an external plug is inserted into any one of the outlets, the indicator lamp is turned on by supplying power to the indicator lamp with a switch. Light up. As a result, by confirming the lighting of the indicator light provided on the plug, when the indicator light is on, the power supply device having a plurality of outlets corresponding to this plug is in use, and the plug is It can be determined that it must not be pulled out from. Conversely, when the indicator lamp is not lit, it can be determined that the power supply device having a plurality of outlets corresponding to the plug is not in use and that the plug can be pulled out from the power source. Therefore, even when a power supply device having a plurality of outlets is used at the same time, only the plug of the power supply device having a plurality of outlets other than in use can be reliably pulled out from the power supply.

  According to the present invention described in claim 7, since it is determined whether or not it can be removed from the power source using the power source device having a plurality of outlets as described above, it is only necessary to confirm that the indicator lamp provided on the plug is lit. Therefore, it is possible to easily determine whether the plug can be pulled out from the power source without paying special attention.

  Hereinafter, the present invention will be described based on the illustrated embodiments.

(Embodiment 1)
FIG. 1 is a schematic perspective view showing an appearance of an electric drum (a power supply device having a plurality of outlets) 1 according to Embodiment 1 of the present invention. The electric drum 1 is provided at the end of a plurality of outlets 3a to 3d provided in the drum main body 2 and the extension cord 4 drawn from the drum main body 2, and can be connected to a power source, and each of the outlets 3a to 3d. And a plug 5 connected in common. Further, as shown in the connection diagram of FIG. 2, the electric drum 1 is also provided in the drum body 2 and the indicator lamp 6 provided in the plug 5 and capable of supplying power supplied to the respective outlets 3 a to 3 d. And a switch 7 for switching to supply power to the indicator lamp 6, and an intermediate cord 8 connected between the indicator lamp 6 and the switch 7.

  The indicator lamp 6 has a terminal on one side connected to the line L1 on one side of the power supply, and a terminal on the other side connected to the line L2 on the other side of the power supply via the switch 7. The switch 7 is connected to the power line L2, and the contact piece 7A, which is in a neutral state in advance, is connected to the display side terminal 6A connected to the indicator lamp 6 or the terminal 3A on the constant side connected commonly to the respective outlets 3a to 3d. By switching to, a switching operation is performed such that the indicator lamp 6 or each of the outlets 3a to 3d is connected to the power line L2. Here, the constant side indicates the side of the power supply line L2 that is commonly connected to each of the outlets 3a to 3d, and indicates the side that is selected during use of the electric drum 1. By providing the switch 7 on the surface of the drum body 2 as shown in FIG. 1, it can be operated manually. The intermediate cord 8 can be integrated into the extension cord 4.

  The indicator lamps 9a to 9d are connected to the respective outlets 3a to 3d between the power supply lines L1 and L2, respectively, and are always lit when the switch 7 is switched to the normal side. Thereby, it can be confirmed that the plugs of necessary electrical equipment as external plugs can be inserted into the respective outlets 3a to 3d.

  Next, the operation of the electric drum 1 will be described.

  FIGS. 3A and 3B are schematic views showing how to operate the switch 7 of the electric drum 1, and FIGS. 4A and 4B are schematic views showing the operation of the switch 7. First, when the electric drum 1 is used, as shown in FIG. 3 (a), when the switch 7 is manually switched to the normal side, the switch 7 has its contact piece 7A as shown in FIG. 4 (a). Are connected to the terminal 3A on the constant side connected in common to the respective outlets 3a to 3d.

  Thereby, since each outlet 3a-3d is connected between the power supply lines L1 and L2, a power supply is supplied and it becomes possible to insert the plug of a required electric equipment into each outlet 3a-3d. At the same time, since the indicator lights 9a to 9d connected to the respective outlets 3a to 3d are turned on, it is possible to insert plugs of necessary electrical equipment into the respective outlets 3a to 3d by confirming this lighting. It can be confirmed surely.

  In this way, when the switch 7 is switched to the constant side, the indicator lamp 6 of the plug 5 is not lit because the other terminal is not connected to the power supply line L2 and is open.

  Next, when the operation using the electric drum 1 is finished, as shown in FIG. 3B, when the switch 7 is manually switched to the display side, the switch 7 is shown in FIG. 4B. Thus, the contact piece 7A is connected to the terminal 6A on the display side connected to the indicator lamp 6 of the plug 5.

  Thereby, since the indicator lamp 6 is connected between the power supply lines L1 and L2, power is supplied and it lights. Accordingly, by confirming that the indicator lamp 6 of the plug 5 is turned on, it can be determined that the electric drum 1 is not in use and that the plug 5 may be pulled out from the power source.

  In this way, when the switch 7 is switched to the display side, since the terminal 3A on the constant side that is commonly connected to the respective outlets 3a to 3d is not connected to the power line L2, power is supplied to the respective outlets 3a to 3d. Not. Therefore, in this state, even if plugs of necessary electric devices are inserted into the respective outlets 3a to 3d, the electric devices do not operate.

  As described above, according to the electric drum 1, the indicator lamp 6 provided on the plug 5 and capable of supplying the power supplied to the outlets 3 a to 3 d and the indicator lamp 6 provided on the drum body 2 are supplied with power. Since the electric drum 1 is configured by the switch 7 for switching to supply the electric power and the intermediate cord 8 connected between the indicator light 6 and the switch 7, each of the outlets 3a to 3d has an external When the plug is not being used and the switch is not in use, the switch 7 is switched to the display side and the indicator lamp 6 is turned on to confirm this lighting. Only the plug of the electric drum can be reliably pulled out from the power supply.

  Therefore, even when the electric drum is removed from the power supply to remove the electric drum that has been used after it has been used, it will not accidentally pull out the plug of another electric drum that is in use as in the past. The useless work such as reconnecting the pulled plug to the power supply becomes unnecessary, and the work efficiency can be improved. In addition, accidental removal of the plug does not affect the work that used the electric drum.

  In addition, when using the electric drum 1, it is necessary to switch the switch 7 to turn off the lit indicator lamp 6 and supply power to the outlets 3 a to 3 d, so forgetting to return the switch 7. Can be prevented.

  Further, the electric drum 1 only needs to be provided with the indicator lamp 6, the switch 7 and the intermediate cord 8 in addition to the normal configuration, and since all parts are inexpensive, it can be realized without particularly increasing the cost. .

  Further, according to the method for determining whether or not the electric drum can be removed using the electric drum 1, the plug 5 can be easily checked without paying special attention only by confirming the lighting of the indicator lamp 6 provided on the plug 5. It can be determined whether or not it can be pulled out from the power source.

(Embodiment 2)
FIG. 5 is a schematic perspective view showing the appearance of the electric drum 11 according to the second embodiment of the present invention. In contrast to the configuration of the electric drum 1 according to the first embodiment, the electric drum 11 according to the second embodiment determines that it should not be removed from the power source when the indicator lamp provided on the plug is turned on. It is configured.

  The electric drum 11 is provided at the end of a plurality of outlets 13a to 13d provided in the drum main body 12 and the extension cord 14 drawn out from the drum main body 12, and can be connected to a power source, and each outlet 13a to 13d. And a plug 15 connected in common. Further, as shown in the connection diagram of FIG. 6, the electric drum 11 includes an indicator lamp 16 provided on the plug 15 and capable of supplying power supplied to the outlets 13 a to 13 d, and an outlet to the drum body 12. Each switch 17a-17d is provided in a number corresponding to 13a-13d, and switches to supply power to the indicator lamp 16 when an external plug is inserted into each outlet 13a-13d, and the indicator lamp 16 and each switch And an intermediate cord 18 connected between 17a to 17d. As each of the switches 17a to 17d, for example, a push-type switch that operates so as to be turned on only when the operation button is pressed is used.

  The indicator lamp 16 has a terminal on one side connected to the line L1 on one side of the power supply, and a terminal on the other side connected to the line L2 on the other side of the power supply via the switches 17a to 17d.

  As for each switch 17a-17d, while the operation buttons 17A-17D are pressed, the contact pieces 17E-17H short-circuit the terminals 16A and 13A, terminals 16B and 13B, terminals 16C and 13C, and terminals 16D and 13D, respectively. Therefore, the other terminal of the indicator lamp 16 is connected to the power supply line L2. On the other hand, the switches 17a to 17d are turned off because the contact pieces 17E to 17H return to their original positions while the operation buttons 17A to 17D are not pressed, and the other terminal of the indicator lamp 16 is connected to the power line L2. Not. Therefore, the power supplied to the indicator lamp 16 is switched by the switches 17a to 17d.

  In the configuration of the electric drum 11, power is always supplied to the outlets 13a to 13d regardless of whether the switches 17a to 17d are turned on or off, so that an external plug can be always inserted. Although not shown in the drawings, the outlets 13a to 13d are connected to the indicator lights corresponding to the indicator lights 9a to 9d and are always lit as in the configuration of the first embodiment. It can be confirmed that the plug can be inserted into each of the outlets 13a to 13d.

  Next, the operation of the electric drum 11 will be described.

  FIG. 7 is a schematic view showing an operation method of the switches 17a to 17d of the electric drum 11, and FIGS. 8A and 8B are schematic views showing operations of the switches 17a to 17d. First, when the electric drum 11 is used, since the electric drum 11 is always supplied with power to the outlets 13a to 13d regardless of whether the switches 17a to 17d are turned on or off, the electric drum 11 is always external. It is possible to insert plugs of necessary electric devices that are plugs into the respective outlets 13a to 13d. First, when an external plug is not inserted into each of the outlets 13a to 13d, the operation of each of the switches 17a to 17d is as shown in FIG. 8A. Since the operation button, for example, 17A is not pressed, the contact piece 17E It does not contact the terminals 16A and 13A. Therefore, since the power is not supplied to the indicator lamp 16 provided in the plug 15, it does not light up.

  Next, as shown in FIG. 7, when one of the outlets 13a to 13d is inserted with, for example, a plug 10 of an electrical appliance necessary for the outlet 13a and the use of the electric drum 11 is started, it corresponds to the outlet 13a. The operation of the switch 17a is as shown in FIG. 8B. Since the operation button 17A is pushed by the plug 10, the contact piece 17E contacts the terminals 16A and 13A, and the terminals 16A and 13A are short-circuited. Let it turn on. Thereby, since the indicator lamp 16 is connected between the power supply lines L1 and L2, power is supplied and it lights. Therefore, by confirming that the indicator lamp 16 of the plug 15 is lit, it can be determined that the electric drum 1 is currently in use and that the plug 15 should not be removed from the power source.

As described above, according to the electric drum 11, the indicator lamp 16 provided on the plug 15 and capable of supplying power to the outlets 13a to 13d, and the drum body 2 correspond to the outlets 13a to 13d. A number of switches 17a to 17d that are switched to supply power to the indicator lamp 16 when an external plug is inserted into each of the outlets 13a to 13d, and between the indicator lamp 16 and the switches 17a to 17d. Since the electric drum 11 is configured by the intermediate cord 18 connected to the power cord, when an external plug is inserted into any one of the outlets 13a to 13d, the indicator lamp 16 is set by the switches 17a to 17d. By switching so that power is supplied to the power supply and turning on the indicator lamp 16 and confirming this lighting, The when used, it can be prevented pull out the plug Denko drum in use from reliably supply.

  Other than this, it can be configured in substantially the same manner as the electric drum 1 of the first embodiment.

  In each of the first and second embodiments, the electric drums 1 and 11 have been described as an example. However, the present invention is not limited to the electric drum, and the power cord of a personal computer such as a multi-tap cord can be used as long as the power device has a plurality of outlets. It can also be applied to other power supply equipment used when it is desired to extend the power supply.

  Further, in the electric drum 1 according to the first embodiment, the indicator lamp 6 of the plug of the electric drum other than in use is turned on, but the indicator lamp 6 can be turned off. That is, by turning off the indicator lamp 6 of the plug 5 of the electric drum 1 that is not in use, it can be used as a guideline for extracting the plug 5 from the power source. In this case, when the switch 7 is switched to supply power to the indicator lamp 6, it is possible to control the indicator lamp 6 not to be lit by supplying an electric signal to the indicator lamp 6 through an inverting circuit. Is possible.

In the electric drum 11 according to the second embodiment, each outlet 1 provided in the drum body 12 is provided.
When the external plug 10 is inserted into any one of 3a to 13d, each of the switches 17a to 17d is turned on so that the indicator light 16 of the plug 5 of the electric drum 11 in use is turned on. The lamp 16 can be turned off. That is, by turning off the indicator lamp 16 of the plug 15 of the electric drum 11 in use, it is possible to make a standard that the plug 15 should not be pulled out from the power source. In this case, as in the case of the above-described first embodiment, when the switches 17a to 17d are switched to supply power to the indicator lamp 16, an electric signal is supplied to the indicator lamp 16 through an inverting circuit. It is possible to control so that the indicator lamp 16 is not lit.

  In the electric drums 1 and 11 of the first and second embodiments, an example in which four outlets are provided in the drum body is shown, but the number of outlets can be increased or decreased as necessary.

The schematic perspective view which shows the external appearance of the electric drum which concerns on Embodiment 1 of this invention. The connection diagram which shows the electric construction drum which concerns on Embodiment 1 of this invention. Schematic which shows the operation method of the electric drum which concerns on Embodiment 1 of this invention. Schematic which shows operation | movement of the switch of the electrical-engineering drum which concerns on Embodiment 1 of this invention. The schematic perspective view which shows the external appearance of the electric construction drum which concerns on Embodiment 2 of this invention. The connection diagram which shows the electric construction drum which concerns on Embodiment 2 of this invention. Schematic which shows the usage method of the switch of the electric drum which concerns on Embodiment 2 of this invention. Schematic which shows the operation | movement of the switch of the electric drum which concerns on Embodiment 2 of this invention.

Explanation of symbols

1,11 Electric drum (Power equipment with multiple outlets)
2,12 Drum body (equipment support)
3a-3d outlet 3A terminal 4,14 extension cord 5,15 plug 6,16 plug indicator light 6A terminal 7 switch 7A contact piece 8,18 intermediate cord 9a-9d outlet indicator light 10 external plug 13a-13d outlet 13A -13D terminal 16A-16D terminal 17a-17d switch 17A-17D operation button 17E-17H contact L1, L2 power line

Claims (8)

  1. A plurality of outlets provided on the device support, and a plurality of plugs provided at the end of the extension cord drawn from the device support and connectable to a power source, and connected to each outlet in common A power supply device having an electrical outlet,
    An indicator lamp provided on the plug and capable of supplying the power supplied to each outlet; a switch provided on the device support to switch the power supply to the indicator lamp; and the indicator lamp; An intermediate cord connected to the switch,
    A power supply device having a plurality of outlets.
  2. When the switch is switched so that the power is supplied to the indicator lamp, the indicator lamp is turned on.
    The power supply device having a plurality of outlets according to claim 1.
  3. The switch is provided on the surface of the device support so as to be manually operable.
    The power supply device having a plurality of outlets according to claim 1 or 2.
  4. A plurality of outlets provided on the device support, and a plurality of plugs provided at the end of the extension cord drawn from the device support and connectable to a power source, and connected to each outlet in common A power supply device having an electrical outlet,
    An indicator lamp provided on the plug and capable of supplying the power supplied to each outlet, and provided in the device support in a number corresponding to each outlet, and an external plug is inserted into each outlet. A switch for switching to supply the power to the indicator lamp, and an intermediate cord connected between the indicator lamp and the switch,
    A power supply device having a plurality of outlets.
  5. When the external plug is inserted into any one of the outlets, the switch corresponding to the external plug is switched so that the power is supplied to the indicator lamp, and the indicator lamp is turned on. To
    The power supply device having a plurality of outlets according to claim 4.
  6. Use a push-type switch as the switch,
    A power supply device having a plurality of outlets according to claim 4 or 5.
  7. A plurality of outlets provided on the device support, and a plurality of plugs provided at the end of the extension cord drawn from the device support and connectable to a power source, and connected to each outlet in common A method for determining whether or not a power supply device having a power outlet is removable,
    The plug is provided with an indicator lamp capable of supplying the power supplied to each outlet, and the device support is provided with a switch for switching to supply the power to the indicator lamp through an intermediate cord. When an external plug is not inserted into either of them, the switch is switched to supply the power to the indicator lamp by using the switch, and the indicator lamp is turned on. When the lighting is confirmed, the plug is pulled out from the power source. To judge,
    A method for determining whether or not to remove a power supply device having a plurality of outlets.
  8. A plurality of outlets provided on the device support, and a plurality of plugs provided at the end of the extension cord drawn from the device support and connectable to a power source, and connected to each outlet in common A method for determining whether or not a power supply device having a power outlet is removable,
    The plug is provided with an indicator lamp capable of supplying the power to be supplied to each outlet, and is provided in a number corresponding to each outlet in the device support, and when an external plug is inserted into each outlet. A switch for switching the power supply to the indicator light through a cord is provided, and when the external plug is inserted into any one of the outlets, the switch supplies the power to the indicator light. Switch the indicator so that the indicator light is turned on, and when this lighting is confirmed, it is determined not to pull out the plug from the power source.
    A method for determining whether or not to remove a power supply device having a plurality of outlets.
JP2005342013A 2005-11-28 2005-11-28 Power supply apparatus having plurality of receptacles, and judgment method of removability of power supply apparatus Pending JP2007149492A (en)

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JP2005342013A JP2007149492A (en) 2005-11-28 2005-11-28 Power supply apparatus having plurality of receptacles, and judgment method of removability of power supply apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005342013A JP2007149492A (en) 2005-11-28 2005-11-28 Power supply apparatus having plurality of receptacles, and judgment method of removability of power supply apparatus

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013536546A (en) * 2010-07-21 2013-09-19 コーニンクレッカ フィリップス エヌ ヴェ Housing for electric devices
WO2013191350A1 (en) * 2012-06-19 2013-12-27 김오중 Outlet unit facilitating plug separation, and multi-outlet device using same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013536546A (en) * 2010-07-21 2013-09-19 コーニンクレッカ フィリップス エヌ ヴェ Housing for electric devices
WO2013191350A1 (en) * 2012-06-19 2013-12-27 김오중 Outlet unit facilitating plug separation, and multi-outlet device using same
KR101372538B1 (en) * 2012-06-19 2014-03-13 김오중 Concent unit for easily separating plug from concent unit and multi concent apparatus using the same
CN104584336A (en) * 2012-06-19 2015-04-29 金五中 Outlet unit facilitating plug separation, and multi-outlet device using same
JP2015524153A (en) * 2012-06-19 2015-08-20 キム,オ ジュンKIM, Oh Jung Outlet unit for easy plug removal and multi-tap outlet device using the same
US9362669B2 (en) 2012-06-19 2016-06-07 Oh Jung Kim Outlet unit facilitating plug separation, and multi-outlet device using same

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