KR101563638B1

KR101563638B1 - Apparatus for standby-power cutting off of computer peripheral device and afety accident prevention

Info

Publication number: KR101563638B1
Application number: KR1020150072807A
Authority: KR
Inventors: 김정헌
Original assignee: 김정헌
Priority date: 2015-05-26
Filing date: 2015-05-26
Publication date: 2015-10-30

Abstract

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to reliably prevent a safety accident such as an electric shock due to a careless user from a structure in which a multi-receptacle body having an SSR, a USB cable, And more particularly, to a device for preventing standby power of a computer peripheral device and preventing an electrical accident from occurring by minimizing unnecessary power consumption.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer peripheral device,

More particularly, the present invention relates to an apparatus for preventing standby power of a computer peripheral device and an apparatus for preventing electrical accidents from occurring, The present invention relates to a device for preventing standby power of a computer peripheral device and a device for preventing electrical safety accident.

In a place where a device such as a PC is used, a multi-receptacle in which a plug is inserted and inserted is used to supply power to a PC and peripheral devices together with peripheral devices for a PC.

These multi-outlets are also available with individual switches for each plug-in port, and when the PC and peripheral devices connected to each plug-in port are not in use, the user switches off the above-described switches, will be.

However, since such a multi-outlet is usually placed in a non-visible place such as a desk or a corner with a plug of a PC and a peripheral device being plugged in, the standby switch is continuously turned off, There was a problem that wasting occurred.

On the other hand, such a multi-outlet has a structure in which a plurality of plug-in openings are arranged in a line, so that curious juveniles are often exposed to a fatal accident in which a chopstick or a thing having a certain length is pushed into a plug insertion opening and is electrocuted.

Accordingly, it is urgent to develop a tool and apparatus capable of surely preventing a safety accident such as an electric shock due to carelessness of the user, and also minimizing unnecessary power consumption by blocking standby power.

Patent No. 10-0798830 Patent No. 10-1196695 Registration No. 10-1470804

Disclosure of the Invention The present invention has been made in order to solve the above problem, and it is an object of the present invention to provide a computer peripheral device capable of surely preventing a safety accident such as an electric shock caused by carelessness of a user, Standby power interruption and electrical safety accident prevention apparatus.

According to an aspect of the present invention, there is provided a multi-plug socket including: a multi-plug main body having a plurality of plug inserting openings for inserting plugs of end portions of power supply lines provided for each of a plurality of devices; A pair of connecting terminals electrically connected to an external power source and formed with a pair of connecting terminal portions corresponding to the plug inserting port; An SSR (Solid State Relay) disposed between the pair of connecting terminal portions closest to the power source among the connecting connecting pieces and a pair of adjacent connecting terminal portions; A USB cable electrically connected to the SSR and detachably coupled to a USB port of the PC; And a safety case capable of opening and closing an upper side of the plug inserting port, wherein plugs for peripheral devices of the PC and the PC are respectively insertable into the plurality of plug inserting openings Which can prevent a standby power of a computer peripheral device and prevent an electric accident accident.

The apparatus further includes a standby power management unit for detecting that there is no operation of the PC and the peripheral device after a lapse of a predetermined time and transmitting a power down command signal to the SSR through the USB cable.

At this time, if the PC and the peripheral device do not operate after a lapse of a predetermined time, the standby power management portion may shut off the power of the PC and the peripheral device, or the PC and the peripheral device may cut off power of the peripheral device .

The multi-socket main body further includes a plurality of plug inserting openings, and a lamp unit electrically connected to the SSRs and extinguished when the SSR is activated, and illuminated when the SSR is in an inactive state.

The multi-receptacle main body is electrically connected to each of the plurality of plug inserting ports and the SSR, and is connected to the plurality of plug inserting ports, irrespective of whether the USB cable is connected to the PC or not, And a timer for activating the SSR to shut off the connection between the plug inserting port and the constant power source when there is no operation signal after a predetermined time elapses.

The safety case may include a first housing having the internal space in which the multi-socket main body is received, the top surface of the first housing being open, the first housing being rotatably coupled to one side edge of the top surface of the first housing, And a first cover for opening and closing the upper surface.

The safety case may further include a first plug cable passage slot formed along the other side edge of the upper surface of the first housing and having a cut corresponding to the number of the plurality of plug insertion openings .

The safety case includes a first extension extending along the other side edge of the upper surface of the first housing and higher than an upper surface of the multi-socket main body, and a second extension extending along the upper edge of the first extension, And a first plug cable passage slot formed in a lower side corresponding to the first plug cable passage slot.

The first cover has a first rear piece pivotally coupled to one side edge of the upper surface of the first enclosure and a second rear piece that extends along the other side edge of the upper surface of the first enclosure, And a first ceiling piece extending along an upper edge of the first rear piece and being orthogonal to the first rear piece, the first ceiling piece being engaged with an upper edge of the extension piece.

The size of the internal space along the length direction of the safety case may be varied to correspond to different lengths of the multi-socket main body according to the number of the plug insertion openings.

The safety case includes an internal space corresponding to a length of the multi-socket main body having at least one plug insertion port, and a top surface is opened and a side surface of one side surface of the second enclosure A second cover rotatably provided at one side edge of the upper surface of the second enclosure and capable of opening and closing an upper surface of the first enclosure and a second cover capable of opening and closing the upper surface of the second enclosure, And an extension cover detachably connected to one side surface of the first cover and detachably connected to the second cover, the extension cover being integrally rotatable with one side edge of the upper surface of the extension case, .

The safety case includes a plurality of hook pieces extending from the second housing or the extension housing along an edge where the second housing and the extension housing are interconnected,

And a plurality of hooking grooves formed on the inner surface or the bottom surface of the second housing, the hooking grooves corresponding to the end portions of the plurality of hook pieces.

The safety case may further include a second plug cable passage slot formed in a plurality of along the other side edge of the upper surface of the second housing and the extension housing and formed in a number corresponding to the number of the plurality of plug inserting openings .

The safety case may include a second extension piece extending along the other side edge of the upper surface of the second housing and the extension housing and extending higher than the upper surface of the multi-outlet main body, And a slot for passing the second plug cable formed in the lower side corresponding to the number of the insertion ports.

The second cover includes a second rear piece pivotally coupled to one side edge of the upper surface of the second enclosure and a second rear piece extending along the other side edge of the upper surface of the second enclosure, And a second ceiling piece extending along an upper edge of the second rear piece and orthogonal to the second rear piece, the second ceiling piece being detachably engaged with the extended cover.

The extension cover includes an extension rear piece pivotally coupled to one side edge of the upper surface of the extension case, an upper edge of the second extension piece extending higher than the upper surface of the multi-socket main body along the other side edge of the upper side of the extension case And an extended ceiling piece extending along the upper edge of the extended rear piece and orthogonal to the extended rear piece and being detachably engaged with the second cover.

According to the present invention having the above-described configuration, the following effects can be achieved.

First, the present invention can reduce standby power by minimizing unnecessary power consumption from a structure including a multi-socket main body having a SSR, a USB cable,

In particular, the present invention can reliably prevent the use of standby power by a standby power management unit such as a PC connected through a USB cable for blocking standby power.

The present invention can reliably prevent a safety accident such as an electric shock due to carelessness from a structure including an internal space for accommodating a multi-receptacle and a safety case capable of opening and closing the upper surface.

Particularly, according to the present invention, the inner space of the safety case can be varied so as to accommodate multi-outlet having different lengths, so that it is possible to positively respond to demands of various customers.

FIG. 1 is a conceptual diagram schematically showing the overall structure of a computer peripheral device standby power cut-off and electrical safety accident prevention device according to an embodiment of the present invention.
FIG. 2 is a perspective view showing the appearance of a safety case, which is a main part of an apparatus for cutting off standby power of a computer peripheral device and preventing electrical accidents according to an embodiment of the present invention.
FIG. 3 is a perspective view showing a state in which the internal space of the safety case, which is a main part of the apparatus for cutting off the standby power of the computer peripheral device and preventing an electric accident, according to the embodiment of the present invention,
FIG. 4 is an exploded perspective view showing the overall coupling structure of the safety case, which is a main part of the apparatus for preventing electrical power accident and cutting off standby power of a computer peripheral device according to another embodiment of the present invention.
FIG. 5 is an exploded perspective view showing a detachable coupling structure between an extended cover and a second cover in a safety case, which is a main part of an apparatus for cutting off standby power of a computer peripheral device and preventing electrical accidents according to various embodiments of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings.

However, the present invention is not limited to the embodiments described below, but may be embodied in various other forms.

The present embodiments are provided so that the disclosure of the present invention is thoroughly disclosed and that those skilled in the art will fully understand the scope of the present invention.

And the present invention is only defined by the scope of the claims.

Thus, in some embodiments, well known components, well known operations, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention.

In addition, throughout the specification, like reference numerals refer to like elements, and the terms (mentioned) used herein are intended to illustrate the embodiments and not to limit the invention.

In this specification, the singular forms include plural forms unless the context clearly dictates otherwise, and the constituents and acts referred to as " comprising (or having) " do not exclude the presence or addition of one or more other constituents and actions .

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs.

Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a conceptual diagram schematically showing the overall structure of a multi-outlet assembly having a safe accident prevention function and a standby power cut-off function according to an embodiment of the present invention.

2 is a perspective view illustrating the appearance of a safety case, which is a main part of a multi-outlet assembly having a safe accident prevention function and a standby power cut-off function according to an embodiment of the present invention.

3 is a perspective view showing a state in which an internal space of a safety case, which is a main part of a multi-outlet assembly having a safe accident prevention function and a standby power cutoff function according to an embodiment of the present invention, is opened.

FIG. 4 is an exploded perspective view illustrating the overall structure of a safety case, which is a main part of a multi-outlet assembly having a safety-preventing function and a standby power-off function according to another embodiment of the present invention.

FIG. 5 is an exploded perspective view showing a detachable coupling structure between the extended cover and the second cover in the safety case, which is the main part of the apparatus for cutting off the standby power of the computer peripheral device and preventing electrical accidents according to various embodiments of the present invention.

In this figure, reference numeral 150 denotes a main power cable connected to the power supply 700, reference numeral 560 denotes a cut-off member for cutting off operation of the main on-off switch 560, Reference numeral 570 denotes a cable communication slot for allowing the main power cable 150 to be inserted therethrough and 580 denotes a USB cable communication slot for allowing the USB cable 400 to be disposed therethrough.

The present invention is characterized in that the safety case 500 is provided with a multi-socket main body 100 in which a SSR 300 (Solid State Relay) is disposed, a USB cable 400 is connected, Structure can be understood.

The multi-outlet main body 100 is provided with a plurality of plug inserting openings 101 into which plugs (not shown) of the end portions of power source connecting lines provided for each of a plurality of devices are respectively inserted.

The connecting copper piece 200 is electrically connected to the power source 700 from the outside and has a plurality of pairs of connecting terminal portions 210 and 210 at positions corresponding to the plug inserting port 101, And is for electrical connection with the PC 600 and a peripheral device (not shown in the drawings) through the power source 700 and the inserted plug.

The SSR 300 is disposed between a pair of connection terminal portions 210 and 210 at a position closest to the power source 700 at all times and a pair of connection terminal portions 210 and 210 adjacent to each other .

Since the SSR 300 has no mechanical contact as compared with a mechanical relay, there is no noise generated during contact, it is excellent in durability, and can be controlled to a very low voltage (for example, 4 to 32 V DC) Which consumes a small amount of current, and has excellent insulation between the load side circuit and the control circuit.

The USB cable 400 is electrically connected to the SSR 300 and detachably coupled to the USB port 610 of the PC 600.

The safety case 500 is formed with an internal space 501 for accommodating the multi-outlet main body 100 and is capable of opening and closing the upper side of the plug insertion opening 101.

Therefore, plugs for peripheral devices of the PC 600 and the PC 600 can be inserted into the plurality of plug inserting openings 101, respectively.

It is to be understood that the present invention may be embodied in many other specific forms without departing from the spirit or scope of the invention.

First, the present invention includes a stand-by power management unit 650 that detects the absence of operation of the PC 600 and peripheral devices after a predetermined time elapses, and transmits a power down command signal to the SSR 300 through the USB cable 400 .

Here, the standby power management unit 650 may be a power saving function program installed in an operating system (hereinafter referred to as OS) of the PC 600. [

At this time, if the PC 600 and the peripheral devices do not operate after a predetermined time elapses, the standby power management unit 650 may shut off the power of the PC 600 and the peripheral devices, or power off some of the PC 600 and peripheral devices .

The multi-outlet main body 100 includes a plurality of plug inserting openings 101 and an SSR 300 and a plurality of plug inserting openings 101 so as to visually grasp the operating states of the PC 600 and peripheral devices connected through the plug inserting openings 101, And may further include a lamp unit 110 which is electrically connected and extinguished when the SSR 300 is operated and illuminated when the SSR 300 is in a non-operating state.

The multi-outlet main body 100 is electrically connected to each of the plurality of plug inserting openings 101 and the SSR 300 and has a plurality of plug inserting openings 101 A timer 120 for shutting off the connection between the plug inserting port 101 and the constant power source 700 by activating the SSR 300 when there is no operation signal after a predetermined time elapses from the PC 600 or the peripheral device connected to the SSR 300, As shown in FIG.

2 and 3, the safety case 500 includes a first housing 510b having an opened upper surface and a first housing 510b having an internal space 501 in which the multi-outlet main body 100 is housed, And a first cover 510c which is rotatably coupled to one side edge of the upper surface of the first housing 510b and opens and closes the upper surface of the first housing 510b.

Here, the safety case 500 is formed in plurality along the other side edge of the upper surface of the first housing 510b so that a cable connected to the plug of the PC 600 or peripheral devices can be passed therethrough, And a slot 510s for passing a first plug cable formed correspondingly to the number of the first plug cables 101. [

The safety case 500 may further include a first extension 510e extending along the other side edge of the upper surface of the first housing 510b and extending higher than the upper surface of the multi-socket main body 100. [

It goes without saying that the first plug cable passing slot 510s may be formed downward along the upper edge of the first extension piece 510e in correspondence with the number of the plurality of plug inserting openings 101. [

Meanwhile, the first cover 510c includes a first rear piece 510r and a first ceiling piece 510t so as to prevent insertion of a bent-shaped plug or the like into the first cover 510c. Can be applied.

That is, the first back piece 510r is pivotally coupled to one side edge of the upper surface of the first housing 510b.

The first ceiling piece 510t is engaged with the upper edge of the first extending piece 510e which is formed to extend higher than the upper surface of the multi-receptacle main body 100 along the other side edge of the upper surface of the first casing 510b, And extends along the upper edge of the first rear piece 510r and orthogonal to the first rear piece 510r.

Here, the first cover 510c is preferably made of a transparent or semi-transparent material so that the operation status of the multi-outlet main body 100 housed in the first housing 510b can be visually confirmed.

The first housing 510b and the first cover 510c may be any material as long as they have excellent durability, impact resistance and chemical resistance. In terms of durability and impact resistance, ABS (acrylonitrile butadiene styrene) resin, PC (Polycarbonate) resin may be used.

The first housing 510b and the first cover 510c may be made of a PLA (Poly Lactic Acid) resin, a PHA (Poly Hydroxy Alkanoate) resin or the like having biodegradability in view of environmental friendliness and durability Of course.

4, the safety case 500 is formed to have a size of the internal spaces 501 and 501 'along the length direction so as to correspond to different lengths of the multi-socket main body 100 according to the number of the plug insertion openings 101, May vary.

That is, the safety case 500 is detachably coupled to the second housing 520b and the second cover 520c by the extension body 530b and the extension cover 530c, so that the size of the internal spaces 501 and 501 ' Can be varied.

The second housing 520b has an internal space 501 corresponding to the length of the multi-socket main body 100 having at least one plug inserting port 101, and the upper surface is opened, and at the same time, Is open.

The second cover 520c is rotatably provided at one edge of the upper surface of the second housing 520b so that the upper surface of the first housing 510b can be opened and closed.

The extension housing 530b is detachably coupled to one open side of the second housing 520b so as to be able to expand along the longitudinal direction of the internal space 501, and the top face is opened.

The extension cover 530c is detachably connected to the second cover 520c and is integrally rotatable with the second cover 520c at one edge of the upper surface of the extension housing 530b.

That is, the safety case 500, to which the second housing 520b and the extension housing 530b are connected and the second cover 520c and the extension cover 530c are connected, (Not shown) provided separately from the socket main body 100 can be accommodated.

The safety case 500 includes a plurality of hook pieces 540 extending from the second housing 520b or the extension housing 530b along the edge where the second housing 520b and the extension housing 530b are interconnected, As shown in FIG.

The safety case 500 includes a plurality of hooking grooves 550 formed on the inner or bottom surface of the extension housing 530b or the second housing 520b corresponding to the ends of the plurality of hook pieces 540, It is needless to say that the present invention is not limited thereto.

The safety case 500 is formed in a plurality of along the other side edge of the upper surface of the second housing 520b and the extension housing 530b and includes a second plug cable 520 formed in correspondence with the number of the plurality of plug inserting openings 101, And a slot for passing 520s may be further provided.

The safety case 500 may further include a second extension piece 520e extending higher than the upper surface of the multi-socket main body 100 along the other edge of the upper surface of the second housing 520b and the extension housing 530b have.

At this time, the second plug cable passing slot 520s is formed downwardly corresponding to the number of the plurality of plug inserting openings 101 along the upper edge of the second extending piece 520e.

Meanwhile, the second cover 520c includes a second rear piece 520r which is pivotally coupled to one side edge of the upper surface of the second housing 520b.

The second cover 520c is engaged with the upper edge of the second extension piece 520e which is formed to extend higher than the upper surface of the multi-socket main body 100 along the other side edge of the upper surface of the second housing 520b, And a second ceiling piece 520t extending along the upper edge of the second rear piece 520r and orthogonal to the second rear piece 520r and detachably coupled to the extending cover 530c.

The second rear piece 520r and the second ceiling piece 520t may be formed in the shape of a '?' -Shaped plug or the like as in the structure of the first rear piece 510r and the first ceiling piece 510t described above. So that it does not interfere with the insertion and disposition.

On the other hand, the extension cover 530c is connected to the second rear piece 520r and the second ceiling piece 520t so as to prevent insertion of a plug or the like bent in a " It is desirable to have a piece 530r and an extension ceiling piece 530t.

The elongated rear piece 530r is rotatably coupled to one side edge of the upper surface of the elongated housing 530b and is detachably connected to the edge of the second rear piece 520r.

The extension ceiling piece 530t is engaged with the upper edge of the second extension piece 520e extending higher than the upper surface of the multi-socket main body 100 along the other side edge of the upper surface of the extension case 530b, Which is orthogonal to the extended posterior part 530r, and is detachably coupled to the second cover 520c.

5, the present invention may provide a variety of coupling structures for facilitating the detachment and engagement of the extension cover 530c and the second cover 520c, as well as maintaining a secure fastened state.

That is, according to the present invention, as shown in FIG. 5 (a), a plurality of detachable grooves 591g recessed along the edges of the second rear piece 520r and the second ceiling piece 520t, an extended rear piece 530r, It is possible to apply an embodiment including the detachable protrusion 591p protruding along the edge of the extended ceiling piece 530t to be detachably coupled to each of the plurality of detachable recesses 591g.

The detachment groove 591g is formed at the edge of the second rear piece 520r and the second ceiling piece 520t and the detachment projection 591p is formed at the edge of the extended rear piece 530r and the extending ceiling piece 530t It is not necessarily limited to such a structure.

In other words, the detachment groove 591g may be formed at the edges of the extension back piece 530r and the extension ceiling piece 530t as occasion demands, and the detachment projection 591p is formed at the edges of the second back piece 520r and the second ceiling piece 530t, And may be formed at the edge of the second electrode 520t.

5 (b), the present invention includes a first detachment step 592a formed to be stepped along the edges of the second rear piece 520r and the second ceiling piece 520t, 530r and the extension ceiling piece 530t so as to abut against the first detachment step 592a to be detachably engaged with the first detachment step 592a .

Needless to say, it is also possible to additionally include detachment means such as male and female velcro or adhesive tape on the contact surfaces of the first and second detachment step portions 592a and 592b, respectively, although not specifically shown in the present invention.

5 (c), a plurality of detachable hook grooves 593a recessed at a predetermined width and a predetermined depth from the edges of the second rear piece 520r and the second ceiling piece 520t, respectively, The present invention may be applied to an embodiment in which the detachable hook piece 593b protrudes from the edge of each of the extended rear piece 530r and the extended ceiling piece 530t and is fixed to each of the plurality of detachable hook grooves 593a.

In the present invention, the detachable hook groove 593a is formed from the edge of each of the second rear piece 520r and the second ceiling piece 520t, and the detachable hook piece 593b is extended from the extended rear piece 530r and the extended ceiling piece 530t, but it is not necessarily limited to such a structure.

In other words, the detachment hook groove 593a is formed from the edge of each of the extended rear piece 530r and the extended ceiling piece 530t, and the detachable hook piece 593b is formed from the edge of each of the second rear piece 520r, 2 ceiling pieces 520t, respectively.

5 (d), the present invention is characterized in that a plurality of seating grooves 594a recessed at a predetermined width and a predetermined depth from the edges of the second rear piece 520r and the second ceiling piece 520t, A seating protrusion 594b protruding from the edge of each of the rear piece 530r and the extending ceiling piece 530t and seated and fixed to the plurality of seating grooves 594a and a plurality of seating grooves 594a and 594b It is needless to say that the present invention is also applicable to an embodiment including the fixing portions 595a and 595b which are respectively formed on the contact surfaces and which maintain the fixed state between the seating groove 594a and the seating groove 594b.

In the present invention, the seating groove 594a is formed from the edge of each of the second rear piece 520r and the second ceiling piece 520t, and the seating recess 594b is formed by the extended rear piece 530r and the extending ceiling piece 530t, But is not necessarily limited to such a structure.

In other words, the seating groove 594a may be formed from the edge of each of the extended back piece 530r and the extending ceiling piece 530t, and the seating piece 594b may be formed from the second back piece 520r and the second ceiling piece 530t, The fixing portions 595a and 595b may be formed from the edges of each of the fixing portions 520a and 520b. The fixing portions 595a and 595b may be formed by a combination of male and female velcro, double-side adhesive or adhesive tape, hook button, It is needless to say that any structure can be applied.

As described above, according to the present invention, it is possible to reliably prevent a safety accident such as an electric shock caused by carelessness of a user, and also to reduce standby power and minimize unnecessary electric power consumption, It is understood that it is the basic technical idea to provide.

It will be apparent to those skilled in the art that many other modifications and applications are possible within the scope of the basic technical idea of the present invention.

100 ... Multi-outlet body
101 ... Plug inserting hole
110 ... lamp unit
120 ... timer
150 ... main power cable
200 ... East for connection
210, 210 ... connection terminal portion
300 ... SSR
400 ... USB cable
500 ... safety case
501 ... interior space
510b ... first enclosure
510c ... first cover
510e ... the first extension
510r ... 1st rear
510t ... 1st ceiling
510s ... Slot for passing through first plug cable
520b ... second enclosure
520c ... second cover
520e ... second extension
520r ... second rear
520s ... Slot for passing through second plug cable
520t ... 2nd Ceiling
530b ... extension sleeve
530c ... extension cover
530r ... extended rear
530t ... extended ceiling
540 ... hook piece
550 ... engaging groove
560 ... block
570 ... cable communication slot
580 ... USB cable communication slot
591g ... Detachable groove
591p ... detachment projection
592a ... first detachment step
592b ... second detachment step
593a ... detachable hook groove
593b ... detachment hook piece
594a ... seat home
594b ... Seated stones
595a, 595b,
600 ... PC
610 ... USB port
650 ... standby power management unit
700 ... constant power source

Claims

A multi-outlet main body having a plurality of plug inserting openings into which plugs of power connector end portions provided for each of a plurality of devices are respectively inserted;
A pair of connecting terminals electrically connected to an external power source and formed with a pair of connecting terminal portions corresponding to the plug inserting port;
An SSR (Solid State Relay) disposed between the pair of connecting terminal portions closest to the power source among the connecting connecting pieces and a neighboring pair of connecting terminal portions;
A USB cable electrically connected to the SSR and detachably coupled to a USB port of the PC; And
And a safety case capable of opening and closing an upper side of the plug inserting opening,
And plugs for plugging peripheral devices of the PC and the PC are respectively insertable into the plurality of plug inserting openings,
The safety case includes:
A second housing provided with an internal space corresponding to the length of the multi-socket main body having at least one plug inserting opening, the top surface of which is opened and one of the four sides of the multi-
A second cover rotatably provided at one side edge of the upper surface of the second housing and capable of opening and closing an upper surface of the second housing,
An extension box detachably coupled to the opened one side surface of the second housing so as to extend along the longitudinal direction of the inner space,
And an extension cover detachably connected to the second cover, the extension cover being integrally rotatable with the second cover at one edge of the upper surface of the extension housing,
The second cover
A second rear piece pivotally coupled to one side edge of the upper surface of the second enclosure and an upper edge of the second extending piece formed to extend higher than the upper surface of the multi-outlet main body along the other side edge of the upper surface of the second enclosure And a second ceiling piece extending along an upper edge of the second rear piece and orthogonal to the second rear piece and being detachably engaged with the extending cover,
The extension cover
Wherein the extension rear piece is engaged with an upper edge of a second extension piece extending higher than an upper surface of the multi-outlet main body along a second side edge of an upper surface of the extension case, the extension rear piece being pivotally connected to one edge of the upper surface of the extension case, An elongated ceiling piece extending along an upper edge of the piece and orthogonal to the elongated rear piece and releasably engaged with the second cover,
Wherein the second cover is formed with a plurality of recesses recessed along edges of the second rear piece and the second ceiling piece,
Wherein the extension cover is formed with a detachment protrusion protruding along the edge of the extension rear piece and the extension ceiling piece to be detachably coupled to each of the plurality of detachable grooves.

The method according to claim 1,
Further comprising a standby power management unit for detecting a non-operation of the PC and the peripheral device after a lapse of a predetermined time and transmitting a power down command signal to the SSR via the USB cable. Safety accident prevention device.

delete

The method according to claim 1,
The multi-
Further comprising a lamp unit electrically connected to each of the plurality of plug inserting ports and the SSR and turned off when the SSR is activated and illuminated when the SSR is in a non-operating state. Device.

The method according to claim 1,
The multi-
When there is no activation signal after a predetermined time elapses from the PC or the peripheral device connected to each of the plurality of plug inserting ports irrespective of whether or not the USB cable and the PC are connected, And a timer for activating the SSR to shut off the connection between the plug inserting port and the constant power source.

delete

The method according to claim 1,
The safety case includes:
A plurality of hook pieces extending from the second housing or the extension housing along an edge where the second housing and the extension housing are interconnected,
Further comprising a plurality of hooking grooves formed on the inner surface or the bottom surface of the second housing, the hooking grooves corresponding to the end portions of the plurality of hook pieces. Device.

delete