KR102612467B1 - elastic support type temperature detecting and current breaking socket - Google Patents

Abstract

In order to simplify the configuration and improve safety during heat generation, the present invention provides a housing portion in which a pair of mounting spaces through which a mounting opening is formed on one lower surface in the longitudinal direction are electrically partitioned from each other through a partition wall; Modular contact parts stored on one side of each of the mounting spaces in the longitudinal direction, each in contact with an end of a power-side connection line inserted into the mounting space, and provided in a pair including a power connection part with a grounding protrusion at the upper end; a terminal body extending between the outer surface of the modular contact part and the inner surface of the mounting space and electrically connected to the ground protrusion, and extending from the terminal body toward the other side in the longitudinal direction of the mounting space, into which a power plug is selectively inserted; A power terminal unit made of an electric current-conducting material provided in a pair including a plug connection unit formed with a hollow part to be electrically connected; and arranged to extend in the width direction of the housing portion, where both ends are coupled to connect the pair of modular contact portions, and when the ambient temperature of the housing portion rises above a preset safe temperature, the ground protrusion is spaced apart from the terminal body. An elastically supported temperature-sensing current blocking outlet is provided including a temperature-sensing blocking portion whose outer surface is formed with a higher coefficient of thermal expansion than the inner surface in order to symmetrically pull the pair of modular contacts toward the partition wall to block the current.

Description

Elastic support type temperature detecting and current breaking socket}

The present invention relates to an elastic support type temperature sensing current blocking outlet, and more specifically, to an elastic support type temperature sensing current blocking outlet that has a simplified configuration and improved safety in the event of heat generation.

Generally, an outlet is equipped to insert a power plug provided at the end of a cord of various electrical appliances. These outlets are connected to indoor electrical wiring and are installed on walls or floors. Accordingly, when the power plug is connected to the outlet, power is supplied to the electric appliance through a cord.

Here, the outlet is provided with a ground terminal on one side connected to an external ground plane, and the power plug is provided with a ground protrusion connected to the ground terminal. Through this, when the grounding protrusion of the power plug is interconnected to the ground terminal of the outlet, even if an abnormal current occurs in the indoor wiring, it is grounded through the ground terminal and damage and malfunction of the electrical appliance to which the outlet is connected can be prevented.

Additionally, the outlet is provided with a latching bar that is electrically connected to the ground terminal portion, and a pair of ground lines is electrically connected to the ground terminal portion as it contacts the latching bar. At this time, each of the ground lines is clamped and fixed between the head portion of the extension screw member and the locking bar as the extension screw member penetrating the locking bar is screwed with the end portion of the ground line peeled off.

However, conventional outlets do not have a separate device to detect and automatically block the flow of current even if high heat is generated inside the outlet case due to an internal defect or an external fire, which can lead to secondary safety accidents. There was a serious problem.

Korean Patent No. 10-1862667

In order to solve the above problems, the object of the present invention is to provide an elastically supported temperature-sensing current blocking outlet with a simplified configuration and improved safety when generating heat.

In order to solve the above problem, the present invention provides a housing portion in which a pair of mounting spaces through which a mounting opening is formed on one lower surface in the longitudinal direction are electrically partitioned from each other through a partition wall; Modular contact parts stored on one side of each of the mounting spaces in the longitudinal direction, each in contact with an end of a power-side connection line inserted into the mounting space, and provided in a pair including a power connection part with a grounding protrusion at the upper end; a terminal body extending between the outer surface of the modular contact part and the inner surface of the mounting space and electrically connected to the ground protrusion, and extending from the terminal body toward the other side in the longitudinal direction of the mounting space, into which a power plug is selectively inserted; A power terminal unit made of an electric current-conducting material provided in a pair including a plug connection unit formed with a hollow part to be electrically connected; and arranged to extend in the width direction of the housing portion, where both ends are coupled to connect the pair of modular contact portions, and when the ambient temperature of the housing portion rises above a preset safe temperature, the ground protrusion is spaced apart from the terminal body. An elastically supported temperature-sensing current blocking outlet is provided including a temperature-sensing blocking portion whose outer surface is formed with a higher coefficient of thermal expansion than the inner surface in order to symmetrically pull the pair of modular contacts toward the partition wall to block the current.

Through the above solutions, the present invention provides the following effects.

First, when the surrounding temperature of the housing unit rises above the preset safe temperature due to an internal defect or an external fire, the two ends of the temperature sensing cut-off unit are bent and thermally deformed to be adjacent, and the modular contact unit is pulled toward the partition wall, causing the grounding protrusion and the terminal body. As the current is separated, the current flow is automatically blocked, preventing secondary safety accidents.

Second, when the ambient temperature drops below the safe temperature and the temperature sensing cutoff unit returns to its original shape, each modular contact unit automatically returns to the outside of the width direction of each mounting space through the elastic restoring force of the elastic support section obliquely protruding on each storage case. Since the grounding protrusion and terminal body are re-energized, convenience of use can be significantly improved.

Third, since the power connection is mounted on the storage case and is provided as a single assembly, the mold of the housing part is simplified and the defect rate is reduced. Assembly is easy and operation reliability is improved through accurate connection between parts, and only the modular contact part is separated. Therefore, it can be replaced or reassembled after repair and use, significantly improving maintainability.

Fourth, as an alignment protrusion is formed on one side of the opposing inner and outer surfaces of the storage case and the mounting space, and an alignment groove is formed on the other side, they are aligned with each other below the safe temperature, so that the contact position between the grounding protrusion and the terminal body is stably aligned, and the contact position between the grounding protrusion and the terminal body is stably aligned. In the above, even if the modular contact part is pulled toward the partition wall, the alignment protrusion is partially caught in the alignment groove and movement is prevented during the slide movement, so driving reliability can be significantly improved.

Figure 1 is a perspective view of an elastically supported temperature-sensing current blocking outlet according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of an elastically supported temperature-sensing current blocking outlet according to an embodiment of the present invention.
Figure 3 is an exploded perspective view of a modular contact portion according to an embodiment of the present invention.
Figure 4 is a cross-sectional example showing a coupled state of a modular contact portion according to an embodiment of the present invention.
Figures 5 and 6 are illustrations showing the use state of an elastically supported temperature-sensing current blocking outlet according to an embodiment of the present invention.

Hereinafter, an elastic support type temperature sensing current blocking outlet according to a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.

Figure 1 is a perspective view of an elastically supported temperature-sensing current blocking outlet according to an embodiment of the present invention, and Figure 2 is an exploded perspective view of an elastically supported temperature-sensing current blocking outlet according to an embodiment of the present invention. And, Figure 3 is an exploded perspective view of the modular contact part according to an embodiment of the present invention, and Figure 4 is a cross-sectional example showing a coupled state of the modular contact part according to an embodiment of the present invention. And, Figures 5 and 6 are exemplary diagrams showing the use state of an elastically supported temperature-sensing current blocking outlet according to an embodiment of the present invention.

At this time, Figures 2 to 6 show a state in which the cover part 50 of the elastic support type temperature sensing current blocking outlet 400 of the present invention is separated and the interior of the housing part 310 is exposed, and the grounding member 60 ) and the ground stopper 70 are preferably understood to be omitted. In addition, it is preferable that the elastically supported temperature-sensing current blocking outlet 400 and the outlet 400, which will be described below, are understood to have the same meaning.

Referring to Figures 1 to 6, the elastically supported temperature-sensing current blocking outlet 400 according to an embodiment of the present invention includes a housing part 310, a modular contact part 320, a power terminal part 330, and a temperature sensor. Includes a detection blocking unit 340.

In detail, referring to FIGS. 1 and 2, the housing portion 310 is preferably formed by having a pair of mounting spaces 312 electrically separated from each other with a partition wall 316 in between. In addition, it is preferable that a mounting opening 314 is formed through one lower surface of each mounting space 312 in the longitudinal direction.

In detail, the housing portion 310 is preferably provided in a box shape with an upper side open and at least one pair of mounting spaces 312 formed therein. At this time, in this embodiment, the partition wall 316 is provided along the longitudinal direction at the center of the width direction of the housing portion 310, and the mounting space 312 is partitioned on both sides through the partition partition 316. The case where two locations are formed is explained and shown as an example, but it is not limited to this.

The housing portion 310 is preferably made of an electrically insulating material such as synthetic resin, and this can prevent short circuits between components fastened to each other and leakage of internal electricity. That is, the component parts can be partitioned and arranged to be spaced apart from each other within each mounting space 312 through the partition wall 316, and even if a plurality of power-side connection lines 1a, which will be described later, are provided, short-circuiting between them is prevented. It can be prevented.

A seating portion on which the grounding member 60 is seated in surface contact may be formed on the upper surface of the partition wall 316, and the grounding member 60 is the grounding member disposed on the lower surface of the housing portion 310 ( 70) can be electrically connected to the current through a conductive screw, etc. At this time, the configuration of the grounding member 60 and the grounding stopper 70 is similar to the outlet 400 of the prior art such as the applicant's registered patents Nos. 10-2058411, 10-1862667, and 10-1881107. Since it is disclosed and can be easily performed by anyone with general knowledge in the relevant field, further detailed description will be omitted.

One side of the mounting space 312 is formed in a shape into which the modular contact part 320, which will be described later, can be inserted and fixed, and the mounting opening 314 has a power insertion hole (322 in FIG. 4), which will be described later, and It is preferable that the puller insertion hole (322a in FIG. 4) is opened to communicate.

Furthermore, referring to FIG. 5, it is preferable that the inner surface spacing in the front-back direction on one side of the mounting space 312 corresponds to the outer surface spacing in the front-back direction of the modular contact portion 320. Therefore, when the modular contact part 320 is accommodated on one side of the mounting space 312, the outer surface of the modular contact part 320 in the front-back direction conforms to the inner surface in the front-back direction on one side of the mounting space 312. It can be. In addition, it is preferable that the width (w2) of one side of the mounting space 312 in the width direction is larger than the width (w1) of the modular contact portion 320 in the width direction.

At this time, it is preferable to understand that the front-back direction corresponds to one side and the other side in the longitudinal direction of the housing portion 310. That is, the front side of the modular contact part 320 and the mounting space 312 corresponds to the other longitudinal side of the housing part 310, and the rear side of the modular contact part 320 and the mounting space 312 It is preferable to understand that this corresponds to one side in the longitudinal direction of the housing portion 310. At this time, when the outlet 400 is installed on the wall, it is preferable to understand that the front/back/longitudinal direction becomes the top/bottom direction, the upper side/upper surface, which will be described later, becomes the front/front, and the lower/bottom side becomes the rear/rear.

Accordingly, each of the modular contact parts 320 can slide and move left and right symmetrically along the width direction when the temperature sensing blocking part 340, which will be described later, undergoes bending and thermal deformation within the mounting space 312. At this time, it is preferable that a locking protrusion 314a protrudes from the edge of the mounting opening 314 so that the lower surface of the modular contact part 320 is seated and restrained.

The cover part 50 is preferably coupled to cover the upper side of the housing part 310. A mold fixing groove 53 into which the power plugs P1 and P2 are inserted is recessed in the upper surface of the cover part 50. The molding fixing groove portion 53 may be formed with an inner contour corresponding to the outer contour of the molding portion (PA) of the power plug, and arbitrary separation is prevented as the molding portion (PA) of the power plug is molded and inserted. It can be.

It is preferable that a power terminal hole 51 is formed on the bottom of the joint fixing groove 53 so that the power plugs P1 and P2 can be inserted into electrical contact with the plug connection part 332, which will be described later. Additionally, a pair of ground terminal holes 52 through which the upper end of the ground member 60 is disposed may be formed to be spaced apart from the power terminal hole 51. The power terminal hole 51 is preferably aligned at a position corresponding to the upper and lower sides of the hollow portion 334, which will be described later.

Referring to FIGS. 2 to 4, the modular contact parts 320 are preferably provided in pairs to be accommodated in each mounting space 312, and are provided symmetrically on both sides with the partition wall 316 as the center. It can be.

In detail, the modular contact unit 320 preferably includes a storage case 321 and a power connection unit 329.

The storage case 321 is inserted into one side of the mounting space 312 in the longitudinal direction, and its lower surface is seated and restrained on the locking protrusion 314a. At this time, the storage case 321 has a width in the width direction (w1 in FIG. 5) that is smaller than the width in the width direction on one side of each of the mounting spaces 312 (w2 in FIG. 5). In addition, it is preferable that a storage space in which the power connection part 329 is stored is formed inside, and that the power insertion holes 322 are formed in a pair on the lower surface, spaced apart in the front and rear directions of the housing part 310.

That is, the upper side of each power insertion hole 322 may communicate with the storage space, and the lower side may communicate with the mounting opening 314 and the outside so that the power supply side connection line 1a can be inserted. In addition, it is preferable that a coupling portion 324 in which a hook projection 324a protrudes is formed on the outside of the storage case 321 so that each fixed end 341 of the temperature sensing blocking portion 340, which will be described later, is caught. This storage case 321 is covered by a storage cover 321a that is open at the top to accommodate the power connector 329 and has a ground hole 321c formed so that a ground protrusion 326a, which will be described later, protrudes through, and the housing. Like the part 310, it is preferably made of an electrically insulating material.

The power connection part 329 is a part where the ends of the power connection line 1a inserted into the mounting space 312 are contacted, respectively, and the power terminal part 326, the elastic piece 327, and the puller 328 ) is preferably included.

The power terminal unit 326 is provided on the inside of one side of the storage case 321, and the ground protrusion 326a on the upper side protrudes outward from the storage case 321 through the ground hole 321c. It is provided. The power terminal portion 326 is preferably provided in the form of a plate made of a conductive material such as brass so as to be in contact with and electrically connected to the power connection line 1a introduced through the power insertion hole 322. At this time, a coupling groove 321d may be formed on the inside of one surface of the storage case 321 so that the power terminal unit 326 is coupled to the storage case 321.

The elastic pieces 327 are preferably provided in pairs and are arranged spaced apart on both sides corresponding to the front-back direction of the housing portion 310 in the storage case 321. The elastic piece 327 presses the power connection line 1a introduced through the power insertion hole 322 toward the power terminal unit 326.

In detail, as shown in FIG. 4, as the elastic piece 327 is bent multiple times, the power supply side connection line 1a and the power terminal portion 326 can be stably contacted. At this time, it is preferable that the distal end of the elastic piece 327, which is in contact with the power connection line 1a, is bent upwardly to correspond to the insertion direction of the power connection line 1a. Therefore, even if the power connection line 1a is pulled outward, it can be prevented from being unnecessarily separated from the outlet 400 by being engaged with the distal end of the elastic piece 327.

This elastic piece 327 may be formed of a metal material with a certain elasticity and may be manufactured using a stainless steel thin plate or the like. Through this, while providing a pressing force so that the power supply side connection line 1a is in contact with the power terminal part 326 and electrically connected, the puller 328, which will be described later, can be elastically deformed by the pressing force applied when operating the puller 328. You can.

The puller 328 is inserted through the puller insertion hole 322a formed through a pair of power insertion holes 322, and connects the power side connection line 1a by the elasticity of the elastic piece 327. The elastic piece 327 is pressed so that the restraint state is selectively released. That is, when the puller 328 is pressed toward the upper side of the storage space in order to separate the power side connection line 1a from the outlet 400, the elastic piece 327 is moved by an inclined surface on one side of the puller 328. The distal end is elastically deformed to one side of the storage case 321. Through this, the distal end of the elastic piece 327 can be separated from the power connection line 1a and the restraint state can be released.

At this time, when the external force pressing the puller 328 upward is released, the puller 328 is pressed downward by the elastic restoring force of the elastic piece 327, and the puller 328 automatically returns to the initial position. It can be. Accordingly, the distal end of the elastic piece 327 is adjacent to and contacts the power supply side connection line 1a and is engaged and fixed, and the power terminal portion 326 and the power supply connection line 1a can be stably contacted. And, when the power side connection line 1a contacts the power terminal 326, it selectively contacts the power terminal 330 and the power terminal 330, which is selectively energized with the power terminal 326. It can be electrically connected to the power plugs (P1, P2).

In this way, in the present invention, the power terminal unit 326, the elastic piece 327, and the puller 328 are first combined with the storage case 321 to form a single assembly, and then installed in the mounting space 312. It is installed. Therefore, as the mold of the housing part 310 is simplified, the defect rate can be significantly reduced when injection processing the housing part 310 and productivity can be improved.

In addition, each component is compactly coupled to each protrusion or groove formed on the inside of the storage case 321 and then provided in the form of a relatively large assembly and mounted in the mounting space 312. Accordingly, the difficulty of assembling the components can be lowered while the driving reliability through assembly accuracy can be significantly improved. Moreover, the modular contact part 320 can be exchanged and installed depending on the installation environment and purpose of the outlet 400, thereby improving compatibility. By separating only the modular contact part 320, replacing the parts, and then reassembling it, It can be used to significantly improve maintainability.

The power terminal units 330 are arranged along the longitudinal direction of each mounting space 312, and are preferably provided in pairs symmetrically. The power terminal unit 330, like the power terminal unit 326, is made of a conductive material such as conductive metal such as brass, and preferably includes a terminal body 331 and a plug connection unit 332.

Here, the terminal body 331 extends to be disposed between the outer surface of the modular contact portion 320 and the inner surface of the mounting space 312, and is preferably electrically connected to the ground protrusion 326a. At this time, the grounding protrusion 326a is electrically connected to the terminal body 331, which means that the grounding protrusion 326a is in contact with the terminal body 331 and is in contact with the power terminal portion 326. It is desirable to understand that it is connected so that electricity flows from the power supply side connection line (1a).

In addition, the plug connection portion 332 extends integrally from the terminal body 331 toward the other side in the longitudinal direction of the mounting space 312, and is a hollow hole into which the power plugs P1 and P2 are selectively inserted and electrically connected. It is preferable that portion 334 is formed. That is, when the power plugs (P1, P2) are inserted into the hollow portion 334 and electrically connected to the plug connection portion 332, the power plugs (P1, P2) are connected to the plug connection portion 332 and the terminal. It can be electrically connected to the power connection line 1a via the body 331 and receive electricity.

At this time, a ring-shaped protrusion 315 may protrude upward from the bottom surface of the mounting space 312 corresponding to the lower side of the hollow portion 334. The ring-shaped protrusion 315 may be formed to have an inner diameter corresponding to the outer diameter of the power plugs P1 and P2, and may be formed to communicate substantially vertically with the hollow portion 334.

Therefore, when the power plugs (P1, P2) are inserted through the power terminal hole 51, they are in electrical contact with the hollow portion 334, and their ends are inserted into the inner periphery of the ring-shaped protrusion 315 and aligned. It can be. In addition, as the lower surface of the plug connection portion 332, where the hollow portion 334 is formed, is seated and supported on the upper surface of the ring-shaped protrusion 315, it is resistant to repeated coupling/disconnection or external vibration of the power plugs (P1, P2). The arrangement position of the power terminal unit 330 can be maintained stably.

The temperature sensing blocking portion 340 is arranged to extend in the width direction of the housing portion 310, and both ends are preferably coupled to connect a pair of the modular contact portions 320. In detail, the temperature sensing blocking portion 340 includes a free end 342 extending in the width direction between the pair of mounting spaces 312 and a pair of fixed ends bent to face each other at both ends of the free end 342. Includes stage 341. That is, the temperature sensing blocking portion 340 is preferably formed by bending into a 'ㄷ' shape.

In detail, each of the fixed ends 341 is slide-coupled to the coupling portion 324 formed on each of the modular contact portions 320. At this time, the coupling portion 324 is preferably formed to extend a predetermined length in the vertical direction of the storage case 321. In addition, it is preferable that the vertical width of the temperature sensing blocking portion 340 is formed to correspond to the extended length of the coupling portion 324. Accordingly, the temperature sensing blocking portion 340 can be formed to have a predetermined area, and an area where the modular contact portion 320 can be stably pulled can be secured.

This temperature sensing blocking unit 340 has an outer surface corresponding to the other longitudinal side of the housing unit 310 in order to pull the pair of modular contact units 320 inward to face each other. It is preferable that it is made of a bimetal formed with a higher coefficient of thermal expansion than the inner surface corresponding to one side of the direction. For example, the temperature sensing blocking portion 340, especially the free end 342, may be provided by having a plate made of copper disposed on the outer surface and a plate made of iron, which has a lower coefficient of thermal expansion than that of copper, disposed on the inner surface and bonded to each other. there is.

Accordingly, when heat above the preset safe temperature is applied to the temperature sensing blocking portion 340, the outer surface of the copper material expands to a higher thermal expansion coefficient, and the temperature sensing blocking portion 340 is connected to the housing portion 310. It is thermally deformed and bent convexly in the other direction. Through this, the distance between the pair of fixed ends 341 becomes narrower than the initial separation distance. At this time, since each of the fixed ends 341 is coupled to the pair of modular contact parts 320, the pair of modular contact parts 320 can be moved symmetrically toward the partition wall 316.

At this time, the ambient temperature of the housing unit 310 is preferably understood as a concept encompassing the air temperature inside the housing unit 310 and the temperature of each component disposed inside the housing unit 310. . Here, the safe temperature can be set at 70 to 100°C, and most preferably at 80°C.

In detail, referring to Figures 4 and 5, when the surrounding temperature of the housing part 310 is below the safe temperature, the free end 342 of the temperature sensing blocking part 340 is maintained in a flat state. In addition, the pair of modular contact parts 320 are pressed and supported outward in the width direction of each mounting space 312 by the elastic restoring force of the elastic support part 325 formed in the storage case 321.

In detail, on the other side of each storage case 321 facing the partition wall 316, the elastic support portion 325 is inclined to be protruded so as to be elastically supported by the support support 316a protruding on the partition partition wall 316. desirable. The elastic support portion 325 may be integrally provided with the storage case and may extend obliquely from both end edges of the other surface of the storage case 321 so that the distal ends are adjacent to each other. That is, the elastic supports 325 protruding from the other surface of the pair of storage cases 321 on the partition wall 316 side may be substantially arranged in an 'X' shape.

At this time, when the free end 342 of the temperature sensing blocking portion 340 is maintained in a flat shape, the pair of modular contact portions 320 are connected to each of the mounting spaces 312 by the elastic restoring force of the elastic support portion 325. ) is pressed and supported outward in the width direction, and the ground protrusion 326a is in contact with the terminal body 331. Through this, current flows through the power supply side connection line 1a, the power terminal portion 326, the ground protrusion 326a, the power terminal portion 330, and the power plugs P1 and P2.

At this time, an alignment protrusion 312b is formed on at least one side of the opposing inner and outer surfaces of the storage case 321 and the mounting space 312, and an alignment groove 321b into which the alignment protrusion 312b is inserted is formed on the other side. This is desirable. Therefore, when the surrounding temperature of the housing portion 310 is below the safe temperature, the position of the modular contact portion 320 pressed outward in the width direction of each mounting space 312 is aligned with the alignment protrusion 312b and Alignment can be constrained through matching between the alignment grooves 321b. Through this, the ground protrusion 326a and the terminal body 331 are in stable contact, thereby preventing the flow of current from being unnecessarily blocked.

At this time, the protruding interval of the alignment protrusion 312b may be formed to be larger than the recessed interval of the alignment groove 321b. Therefore, even if the modular contact part 320 is pulled and moved toward the partition wall 316 due to thermal deformation of the temperature sensing blocking part 340, which will be described later, the alignment protrusion 312b is separated from the alignment groove 321b. not completely separated. Through this, even if the modular contact part 320 slides in the width direction on one side of the mounting space 312, it is restrained in an exact position and is prevented from moving, so driving reliability can be further improved.

Meanwhile, referring to FIG. 6, when the surrounding temperature of the housing portion 310 rises above the safe temperature, the free end 342 of the temperature sensing blocking portion 340 is bent and thermally deformed.

In detail, since the outer surface of the temperature sensing blocking part 340 is formed with a higher thermal expansion coefficient, when heat above the safe temperature is transmitted, the outer surface is convexly bent and thermally deformed in the direction of the other side of the housing part 310. At this time, the gap between the pair of fixed ends 341 narrows corresponding to the gap where the free end 342 is bent and protrudes convexly to the other side. Accordingly, the pair of modular contact parts 320 to which the fixed ends 341 are coupled are pulled toward the partition wall 316.

At this time, the ground protrusion 326a protrudes integrally with the power terminal unit 326 stored inside the storage case 321, so as the modular contact unit 320 is pulled, the ground protrusion 326a ) is spaced apart from the terminal body 331 and contact is released. Through this, even when the power plugs (P1, P2) are coupled to the outlet 400, the power side connection line (1a) and the power terminal portion 330 are electrically spaced apart, so that current flow can be stably blocked. .

Here, when the pair of modular contact parts 320 are pulled toward the partition wall 316, the elastic support parts 325 are pressed as they approach the support support 316a. Accordingly, the inner surface of each elastic support part 325 is pressed to be adjacent to the storage case 321 based on the connection portion between the elastic support part 325 and the storage case 321.

And, when the surrounding temperature of the housing part 310 falls again below the safe temperature, the temperature sensing blocking part 340 is restored to its original shape. Accordingly, the modular contact portion 320 is pressed and returned to the outside of each mounting space 312. At this time, the modular contact portion 320 is elastically pressed to the outside of each mounting space 312 through the elastic restoring force of the elastic support portion 325, so that the ground protrusion 326a is reattached to the terminal body 331. A stable contact can be made. Through this, current flows again to the power plugs (P1 and P2).

That is, when the ambient temperature of the housing unit 310 rises above the safe temperature, the temperature sensing blocking unit 340 transmits current to each of the power terminal units 330 through bending thermal deformation of the free end 342. It is desirable to understand it as a device that blocks the flow. In other words, it is desirable to understand that the function is not to block the current flow when a simple overcurrent occurs, but to block the current flow according to the increase in the ambient temperature of the housing portion 310. Therefore, secondary safety accidents can be prevented by stably blocking the current flow of the product even when the ambient temperature of the housing portion 310 increases due to external factors such as fire as well as heat generation due to defective components.

At this time, terms such as “include,” “comprise,” “equip,” or “have,” as used above, mean that the corresponding component may be present, unless specifically stated to the contrary. Rather than excluding a component, it should be interpreted as allowing additional inclusion of other components. All terms, including technical or scientific terms, unless otherwise defined, have the same meaning as generally understood by a person of ordinary skill in the technical field to which the present invention pertains. Commonly used terms, such as terms defined in a dictionary, should be interpreted as consistent with the contextual meaning of the related technology, and should not be interpreted in an idealized or overly formal sense unless explicitly defined in the present invention.

As explained above, the present invention is not limited to the above-described embodiments, and modifications and implementations can be made by those skilled in the art without departing from the scope of the claims of the present invention. And these modifications fall within the scope of the present invention.

1a: Power side connection line 310: Housing part
312: Mounting space 314: Mounting opening
320: Modular contact part 321: Storage case
322: Power insertion hole 325: Elastic support
326: power terminal section 330: power terminal section
340: Temperature sensing block P1, P2: Power plug
400: Elastic support type temperature sensing current blocking outlet

Claims (5)

A housing portion formed by electrically dividing a pair of mounting spaces through a partition wall into which a mounting opening is formed through a mounting opening formed on a lower surface of one side in the longitudinal direction;
Modular contact parts stored on one side of each of the mounting spaces in the longitudinal direction, each in contact with an end of a power-side connection line inserted into the mounting space, and provided in a pair including a power connection part with a grounding protrusion at the upper end;
a terminal body extending between the outer surface of the modular contact part and the inner surface of the mounting space and electrically connected to the ground protrusion, and extending from the terminal body toward the other side in the longitudinal direction of the mounting space, into which a power plug is selectively inserted; A power terminal unit made of an electric current-conducting material provided in a pair including a plug connection unit formed with a hollow part to be electrically connected; and
The housing portion is arranged to extend in the width direction and both ends are coupled to connect a pair of the modular contact portions. When the ambient temperature of the housing portion rises above a preset safety temperature, the ground protrusion is spaced apart from the terminal body to generate current. It includes a temperature sensing blocking portion whose outer surface is formed with a higher coefficient of thermal expansion than the inner surface to symmetrically pull the pair of modular contacts toward the partition wall so that the
The modular contact part
The width in the width direction is smaller than the width in the width direction of each of the mounting spaces, a ground hole is formed at the upper end so that the ground protrusion protrudes through, and a power insertion hole communicating with the mounting opening so that the power supply side connection line is inserted is formed. A storage case made of insulating material formed in the portion,
A power terminal portion made of an electric current-carrying material provided on one side of the storage case facing the terminal body in the width direction and in contact with the power supply side connection line, the ground protrusion on one side protruding outside the ground hole;
An elastically supported temperature-sensing current blocking outlet comprising an elastic piece that presses the power connection line toward the power terminal. delete According to claim 1,
An elastic support type temperature-sensing current blocking outlet, characterized in that an elastic support part elastically supported by a support supporter protruding on the partition wall is inclined to be protruded on the other side of each storage case facing the partition wall. According to claim 1,
The temperature sensing blocking portion includes a free end extending in the width direction between the pair of mounting spaces and a pair of fixed ends bent to face each other at both ends of the free end,
An elastic support type temperature-sensing current blocking outlet, characterized in that the storage case is formed with a coupling portion in which a hook projection protrudes so that each of the fixed ends is caught. According to claim 1,
The storage case and the mounting space are aligned so that the positions of the storage cases, which are slid and pulled to the inside of each mounting space in the width direction, are aligned through the temperature sensing blocking portion in which the ambient temperature of the housing portion undergoes bending and thermal deformation above the safe temperature. An elastically supported temperature-sensing current blocking outlet, characterized in that an alignment protrusion is formed on at least one side of the opposing inner and outer surfaces, and an alignment groove into which the alignment protrusion is molded and inserted is formed on the other side.