KR101571874B1 - Safety outlet - Google Patents

Safety outlet Download PDF

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Publication number
KR101571874B1
KR101571874B1 KR1020140021763A KR20140021763A KR101571874B1 KR 101571874 B1 KR101571874 B1 KR 101571874B1 KR 1020140021763 A KR1020140021763 A KR 1020140021763A KR 20140021763 A KR20140021763 A KR 20140021763A KR 101571874 B1 KR101571874 B1 KR 101571874B1
Authority
KR
South Korea
Prior art keywords
plug
compression member
cutters
pinhole
plate
Prior art date
Application number
KR1020140021763A
Other languages
Korean (ko)
Other versions
KR20150100224A (en
Inventor
김재일
Original Assignee
동아대학교 산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 동아대학교 산학협력단 filed Critical 동아대학교 산학협력단
Priority to KR1020140021763A priority Critical patent/KR101571874B1/en
Priority to PCT/KR2015/000496 priority patent/WO2015130011A1/en
Publication of KR20150100224A publication Critical patent/KR20150100224A/en
Application granted granted Critical
Publication of KR101571874B1 publication Critical patent/KR101571874B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention provides a safety outlet. A safety socket 10 according to the present invention is a safety socket 10 for connecting a plug 1 and includes a housing 12 and a knife receiver 20 and a compression member 16, By applying the compression member 16 which is a shape memory alloy to the socket 20, the contact area between the contact terminal extended due to the reduction in elasticity of the socket 20 and the pin of the plug 1 is increased to reduce the resistance. Such a safety receptacle 10 is capable of continuously using the user and preventing the occurrence of fire due to heat generation due to contact failure.

Description

Safety Outlets {SAFETY OUTLET}

The present invention relates to a safety outlet, and more particularly, to a safety outlet for preventing contact failure.

Generally, an outlet is a device used for connecting an electric wire and a cord, and a plug is inserted to receive electricity. These receptacles are used in various structures such as a flush-type or multi-outlet.

Such a conventional socket plug is plugged and unplugged at the time of use, and the contact area with the plug pin is increased, so that the contact area with the plug is reduced. At this time, the resistance is locally increased at the contact portion to generate heat, and a fire may be generated due to the continuously generated heat.

On the other hand, in the case of a socket using a shape memory alloy in order to prepare for a safety accident caused by such an outlet, Korean Patent Registration No. 10-0585868 entitled "Safety socket using a shape memory alloy" A U-shaped deformation member made of a shape memory alloy is formed inside an outlet in which a plurality of binding members are formed, and a switch terminal provided with a switch terminal for interrupting the electric power of the binding member in accordance with deformation due to high temperature generated by overloading of the outlet, And at the same time, an insulating halon gas is automatically injected into the inside of the socket, thereby preventing a safety accident caused by an overload of the socket.

Korean Patent Registration No. 10-1284216 "Safety receptacle" includes a body including a coupling hole to be engaged with a plug of an electric device; A leaf spring formed of a conductive metal for supplying power to the coupling means, the plate spring being installed inside the body and forming the coupling hole, and the other end connected to the one end through the center portion at one end; And a plurality of shape memory alloy springs, one end of which is fixed to one end of the inner side of the body, and the other end of which is connected to one end or the other end of the leaf spring, And a shape memory alloy which is spaced apart from the binding member by a predetermined distance.

However, the safety socket using the shape memory alloy according to the related art has to provide a predetermined place with halon gas separately, and it has a problem that it is difficult to manufacture due to an increase in cost in a device for holding halon gas, There is a problem that the plate spring can not be continuously used because the plate spring is separated from the current and blocks the current, and the plate spring can be deformed due to repeated fatigue applied to the plate spring.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the problems of the prior art, and it is an object of the present invention to provide a safety socket for preventing a contact failure by applying a shape memory alloy to a caliper socket installed in a socket.

According to another aspect of the present invention, there is provided a safety socket for connecting a plug (1), comprising: a housing (12); and a housing A plug connection terminal (14) having a knife socket (20) to be inserted; And a compression member (16) made of a shape memory alloy and compressing the knife receiver (20) of the plug connection terminal (14) so as to be compressed at a high temperature so as to firmly contact the pins of the plug do.

The housing 12 may include an upper case 15 having an insertion portion 13 into which the plug 1 is inserted and an upper case 15 coupled to the upper case 15 and connected to the plug connection terminal 14 And a lower case 19 forming an inner portion 17 for fixing the inner case 17.

The plug-in terminal 14 is fixed to the inside 17 of the lower case 19 and is fixed to the lower case 19 and receives power from the outside. And the first and second connecting plates 22a and 22b are formed in parallel in one direction from the plate 24 and the knife receiver 20 is connected to the first and second connecting plates 22a and 22b, And the first and second cutters 20a and 20b are formed to be convex at the ends of the first and second cutters 20a and 20b so as to symmetrically face the first and second cutters 20a and 20b to receive the pins of the plug 1. [ Thereby forming a pinhole (21).

The plug-in terminal 14 is fixed to the inside 17 of the lower case 19 and is fixed to the lower case 19 and receives power from the outside. And a connecting plate 22 in one direction from the plate 24 and the knife receiver 20 includes first and second knife receivers 20a and 20b which are convex on the end of the connecting plate 22, And the first and second cutters 20a and 20b are symmetrically and symmetrically connected to each other and the slits 27 are formed in the first and second cutters 20a and 20b, The pinhole 21 can be formed.

In such a safety outlet, the compression member 16 is in the form of a spring and is wound around the upper ends of the first and second cutters 20a and 20b formed higher than the first and second connection plates 22a and 22b, It is possible to reduce the radius of the base 21.

In this type of safety outlet, the compression member 16 is wound in a spring shape and wound around the upper ends of the first and second cutters 20a and 20b, which are formed higher than the connection plate 22, so that the radius of the pin hole 21 is Can be reduced.

In such a safety outlet, the compression member 16 is spring-shaped and disposed on both sides of the first and second cutters 20a and 20b, and is supported by the first and second connection plates 22a and 22b, The radius of the pinhole 21 can be reduced.

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In such a safety outlet, the compression member 16 is formed in a C shape and has a groove (not shown) on one end of a connection portion between the first and second cutters 20a and 20b and the first and second connection plates 22a and 22b, So that the radius of the pinhole 21 is reduced so that the rounded portion of the compression member 16 is supported in the groove and the open portion is directed toward the other side of the first and second cutters 20a and 20b. can do.

In such a safety outlet, the compression member 16 is C-shaped and has a groove on the upper side of one end of the connection portion with the first and second cutters 20a and 20b and the connection plate 22, The radius of the pinhole 21 can be reduced such that the rounded portion of the pinhole 16 is supported by the groove and the open portion is directed toward the other one-phase side of the first and second cutlery 20a, 20b.

In such a safety outlet, the compression member 16 is in the form of a spring, a plurality of grooves are formed in the first and second connection plates 22a and 22b, the compression member 16 passes through the groove, And the second cutters 20a and 20b so as to reduce the radius of the pinhole 21. [

In such a safety outlet, the compression member 16 is in the form of a spring,

A plurality of grooves are formed in the connection plate 22 and the compression member 16 is formed to pass through the grooves and enclose the first and second cutters 20a and 20b so that the radius of the pinhole 21 is Can be reduced.

According to the safety socket according to the present invention, the shape memory alloy is applied to the knife holder provided inside the socket, thereby increasing the contact area between the contact terminal and the plug pin due to the reduction in the elasticity of the knife receiver, thereby reducing the resistance. Such a safety outlet can be used continuously by the user and can prevent the fire due to the heat generated by the contact failure.

1 is a view for explaining a safety outlet in which a compression member, which is a shape memory alloy according to the technical idea of the present invention, is applied to a knife receiver;
2 is a view for explaining a safety outlet according to a preferred embodiment of the present invention;
3 is a view illustrating a plug connection terminal fixed to a lower case according to a preferred embodiment of the present invention;
FIG. 4 is an enlarged view of FIG. 3 A; FIG.
5 (a) and 5 (b) illustrate a plug connection terminal according to a preferred embodiment of the present invention;
Figures 6 (a) and 6 (b) illustrate the contact of a plug pin with a knife holder according to a preferred embodiment of the present invention;
7 (a), 7 (c) and 7 (d) are views showing a caliper and a compression member according to various preferred embodiments of the present invention.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a view for explaining a safety outlet in which a compression member, which is a shape memory alloy according to a technical idea of the present invention, is applied to a knife receiver;

1, a safety socket 10 for connecting a plug 1 is provided with a housing 12, a cutlery 20 and a compression member 16, .

At this time, the knife receiver 20 is fixed in the housing 12 and the radius of the pinhole 21 formed by the knife receiver 20 can be reduced by the compression member 16.

The housing 12 may have a size such that the knife receiver 20 and the compression member 16 are accommodated therein. The housing 12 is not limited to the shape and the material of the housing 12 and may be a housing .

The knife receiver 20 allows the pin of the plug 1 to contact and form a pinhole 21 sized to receive the pin of the plug 1 by means of electricity, It may be formed of various materials as electricity-conducting conductors.

The compression member 16 is formed of a shape memory alloy and contracts at a high temperature so as to shrink the radius of the pinhole 21 formed by the knife receiver 20 and to secure the contact of the pin of the plug 1. [ At this time, in the process of manufacturing the shape memory alloy which is the compression member 16, the conventional technique can be applied through the related workers, and detailed description will be omitted.

Hereinafter, the preferred embodiments of the present invention will be described with reference to Figs. 2 to 7 attached hereto. On the other hand, in each of the drawings, a description of a coupling or fixing device, a manufacturing technique of a shape memory alloy, a technique of transferring electricity from an outside to an outlet, etc., And portions thereof, which are known to those skilled in the art by those skilled in the art, are omitted and described with reference to the accompanying drawings.

2 is a view for explaining a safety outlet according to a preferred embodiment of the present invention.

Referring to FIG. 2, the upper case 15, the lower case 19, and the plug connection terminal 14 are formed to form the safety receptacle 10.

The upper case 15 has an insertion portion 13 into which the plug 1 is inserted and the lower case 19 is engaged with the upper case 15 and is connected to the inside 17 formed by the lower case 19, The terminal 14 is fixed.

The upper case 15 is a case exposed to the outside and includes an insertion portion 13 in which the user can insert and withdraw the plug 1. The upper case 15 is a case applied to a normal outlet, Is omitted.

The lower case 19 has an inside 17 for fixing the plug connection terminal 14 and is engaged with the upper case 15. The case, which is applied to an ordinary outlet like the upper case 15, will not be described in detail.

The plug connection terminal 14 is fixed to the inside 17 of the lower case 19 and has a plate 24 and a connection plate 22 and a knife receiver 20 at the end of the connection plate 22 do. At this time, the knife receiver 20 is wrapped by the compression member 16, and the plate 24 of the plug connection terminal 14 is fixed to the lower case 19 as a fastener by having the fastening portion 26. The fastener is connected to the wire and receives power from the outside. The plug-in terminal 14 is formed of a conductor through which electricity can flow, and is not limited thereto.

FIG. 3 and FIG. 4 are enlarged views of a plug connector terminal fixed to a lower case according to a preferred embodiment of the present invention and FIG.

3 and 4, the plug connection terminal 14 is fastened to the fastening portion 26 by fastening means in the inner portion 17 of the lower case 19, and the compression member 16 in the form of a spring A, The first and second cutters 20a and 20b having a height higher than that of the first and second connection plates 22a and 22b form a pinhole 21 and the upper end of the first and second cutters 20a and 20b, The radius of the pinhole 21 is reduced so that the contact of the pin of the plug 1 is secured.

5 (a) and 5 (b) are views showing a plug connection terminal according to a preferred embodiment of the present invention and another embodiment.

5 (a), the plug connection terminal 14 is formed of a plate 24, a connection plate 22, and a cutlery 20.

The plug connection terminal 14 such as this has first and second connection plates 22a and 22b formed in parallel in one direction from a plate 24 formed of a plate having a fastening portion 26, Are formed to be convex at the ends of the first and second connection plates 22a and 22b and are formed as first and second cutters 20a and 20b. The first and second cutters 20a and 20b face each other symmetrically to form a pinhole 21 for receiving the pin of the plug 1.

The plate 24 has a fastening portion 26 and is fastened to the fastening portion 26 with various fasteners such as screws, screws, and bolts, and is secured to the lower case 19 and is powered from the outside.

The connecting plate 22 has two first and second connecting plates 22a and 22b which are parallel and formed in one direction from the plate 24. [ The first and second connecting plates 22a, 22b having an upper surface such as the plate 24 and different height are formed to extend from the plate 24.

The cutter bases 20 are formed at the ends of the first and second connection plates 22a and 22b and are formed of first and second cutters 20a and 20b and the first and second cutters 20a and 20b are formed in a convex shape Thereby forming a pin hole 21 sized to receive the plug 1 pin.

5 (b), the plug connection terminal 14 is provided with a connection plate 22 in one direction from the plate 24 as shown in FIG. 5 (a) And the cutter base 20 is formed into a convex shape on the end of the connecting plate 22 and is formed as a first and a second cutter bases 20a and 20b facing each other.

At this time, the first and second cutlery 20a and 20b are connected to each other and the slit 27 is disposed in the height direction so that the compression member 16 can be contracted.

6 (a) and 6 (b) are views showing the contact of the plug pin with the knife receiver according to the preferred embodiment of the present invention.

6A and 6B, the pin of the plug 1 is inserted into the pin hole 21 of the knife receiver 20 and fixed firmly The pin hole 21 and the space are filled with the pin hole 21. When the power is supplied in this state, the contact resistance is generated and the heat is generated.

6 (b) shows that when the heat is generated due to the contact failure, the compression member 16 wound around the knife receiver 20 is compressed, so that the pin of the plug 1 and the knife receiver 20 are firmly in contact with each other. The contact area is increased by reducing the radius of the pinhole 21 of the caliper receiver 20 and the contact resistance is decreased so that the heat is not increased any more and the electricity can be continuously used.

In the embodiment of the present invention, the compression member 16, which is a shape memory alloy, is made of a composition of Ti-44.5Ni-5Cu, so that deformation occurs at 45 ° C to 50 ° C. At this time, a temperature of 45 ° C or higher is referred to as a high temperature phase temperature. The material and the deformation temperature of the compression member 16 have been described. However, the material and the deformation temperature of the compression member 16 are not limited, and various materials and temperatures can be applied to manufacture by the user or the ordinary artisan.

7 (a), 7 (c) and 7 (d) are views showing a caliper and a compression member according to various preferred embodiments of the present invention.

Referring to Fig. 7A, which is the first embodiment, the compression member 16 can be applied to the plug connection terminal 14 of Fig. 5 (a) described above in the form of a spring, and the first and second cut- And 20b so as to be supported by the first and second connection plates 22a and 22b so that the radius of the pinhole 21 is reduced.

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7 (c), which is a third embodiment, the compression member 16 can be applied to the plug connection terminal 14 of Figs. 5 (a) and 5 (b) Grooves are provided on the upper ends of the connecting portions of the first and second cutters 20a and 20b and the first and second connecting plates 22a and 22b so that the rounded portion of the compression member 16 is inserted into the groove And the radius of the pinhole 21 is reduced so that the open and supported portion is directed toward the other-end side of the first and second cutters 20a and 20b.

When the plug connector terminal 14 of FIG. 5 (b) is applied, a groove is provided on one end of the connecting portion between the connecting plate 22 and the first and second cutters 20a and 20b, Of the pinhole 21 is supported in the groove and the open portion is directed to the other side of the first and second cutters 20a and 20b so that the radius of the pinhole 21 is reduced.

7 (d), which is a fourth embodiment, the compression member 16 can be applied to the plug connection terminal 14 of Figs. 5 (a) and 5 (b) A plurality of grooves are formed in the first and second connection plates 22a and 22b and the compression member 16 is formed to pass through the grooves and to enclose the first and second cutters 20a and 20b.

When the plug connector terminal 14 of FIG. 5 (b) is applied, a plurality of grooves are formed in the connection plate 22 and the first and second cutlery 20a and 20b are formed So that the radius of the pinhole 21 is reduced.

According to the safety socket 10 of the present invention as described above, by applying the compression member 16, which is a shape memory alloy, to the knife receiver 20 provided inside the socket, the knife 20 of the plug contact terminal 14 Thereby increasing the contact area of the pins of the plug 10, thereby reducing the resistance. Such a safety receptacle 10 can prevent the occurrence of fire due to the heat generated by the contact failure and the user's continuous use.

Although the safety socket 10 according to the preferred embodiment of the present invention has been described above with reference to the above description and drawings, it should be understood that the present invention is not limited thereto. And modifications may be made by those skilled in the art.

1: Plug 10: Safety outlet
12: housing 13:
14: plug-in terminal 15: upper case
16: Compression member 17: Inner
19: Lower case 20:
20a: first cutter 20b: second cutter
21: pin hole 22: connecting plate
22a: first connection plate 22b: second connection plate
24: plate 26: fastening part

Claims (13)

A safety socket for connecting a plug (1)
An upper case 15 having an insertion portion 13 into which the plug 1 is inserted,
A housing 12 formed of a lower case 19 which is coupled with the upper case 15 and forms an inside 17 for fixing the plug connection terminal 14;
And is fixed to the lower case 19 and fixed to the inside 17 of the lower case 19 to be powered from the outside. A receiving plate (24) and a connecting plate (22) in one direction from the plate (24)
The cutter 20 is formed of first and second cutters 20a and 20b which are convex on the end of the connecting plate 22 and the first and second cutters 20a and 20b are symmetric Facing each other,
A plug connection terminal 14 having a slit 27 in the first and second cutters 20a and 20b and forming a pinhole 21 for receiving the pin of the plug 1; And
Is wound around the upper ends of the first and second cutters (20a, 20b) formed to be higher than the first and second connection plates (22a, 22b) by compressing the cutter (20) of the plug connection terminal (14) And a compression member (16) for reducing the radius of the pinhole (21) so as to be compressed at a high temperature to solidify the contact of the pin of the plug (1).
The method of claim 1,
The compression member 16 is in the form of a spring,
(20a, 20b) formed higher than the connection plate (22) to reduce the radius of the pinhole (21).
The method according to claim 1,
The compression member 16 is C-shaped,
A groove is formed on one end of a connection part between the first and second cutters 20a and 20b and the connection plate 22 so that a round portion of the compression member 16 is supported in the groove, And the pinhole (21) is reduced such that the pinhole (21) faces the other one of the two cutouts (20a, 20b).
The method according to claim 1,
The compression member 16 is in the form of a spring,
A plurality of grooves are formed in the connection plate 22 and the compression member 16 is formed to pass through the grooves and enclose the first and second cutters 20a and 20b so that the radius of the pinhole 21 is Wherein the power outlet is connected to the power outlet. delete delete delete delete delete delete delete delete delete
KR1020140021763A 2014-02-25 2014-02-25 Safety outlet KR101571874B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020140021763A KR101571874B1 (en) 2014-02-25 2014-02-25 Safety outlet
PCT/KR2015/000496 WO2015130011A1 (en) 2014-02-25 2015-01-16 Safe electric socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140021763A KR101571874B1 (en) 2014-02-25 2014-02-25 Safety outlet

Publications (2)

Publication Number Publication Date
KR20150100224A KR20150100224A (en) 2015-09-02
KR101571874B1 true KR101571874B1 (en) 2015-12-04

Family

ID=54009288

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140021763A KR101571874B1 (en) 2014-02-25 2014-02-25 Safety outlet

Country Status (2)

Country Link
KR (1) KR101571874B1 (en)
WO (1) WO2015130011A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101980452B1 (en) 2017-11-23 2019-05-20 권영수 Safety plug socket
KR102199182B1 (en) * 2020-05-29 2021-01-06 곽창용 Connection terminal for outlet
KR20220017701A (en) * 2020-08-05 2022-02-14 문공식 Concent

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2024000782A (en) * 2021-07-15 2024-02-06 Changchun Jetty Automotive Tech Co Ltd Terminal having memory ring.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6431356A (en) * 1987-07-28 1989-02-01 Matsushita Electric Works Ltd Blade receiving spring for receptacle
JPH0319263U (en) * 1988-04-13 1991-02-26
JPH0742043U (en) * 1993-12-22 1995-07-21 株式会社アドバンテスト Zero Insertion Force Connector
KR101284216B1 (en) * 2011-11-30 2013-07-09 동아대학교 산학협력단 Safety receptacle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101980452B1 (en) 2017-11-23 2019-05-20 권영수 Safety plug socket
KR102199182B1 (en) * 2020-05-29 2021-01-06 곽창용 Connection terminal for outlet
KR20220017701A (en) * 2020-08-05 2022-02-14 문공식 Concent
KR102465806B1 (en) 2020-08-05 2022-11-09 문공식 Concent

Also Published As

Publication number Publication date
KR20150100224A (en) 2015-09-02
WO2015130011A1 (en) 2015-09-03

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