JP6734516B2 - Seismic power interruption device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seismic power interruption device capable of shutting off a power source by activating a ground fault circuit breaker in a distribution board by causing a pseudo electric leakage due to vibration caused by an earthquake.

As a measure for preventing an electric fire when an earthquake occurs, conventionally, for example, as shown in Patent Document 1, a falling ball type breaker breaker device that operates a lever of a main power switch (power breaker) with a predetermined seismic intensity is known. There is. However, this type of breaker breaker device may not be installed depending on the structure of the distribution board in which the main power switch is stored or the installation location. In addition, there is a problem in that the reliability of whether or not the lever operates reliably when an earthquake occurs is lacking due to variations in the operation of the lever such as hardness.

In addition, as another device for preventing electric fires in the event of an earthquake, an electrical safety device that is installed in parallel with the main power switch to instantly cut off all power when electrical leakage occurs in electrical wiring or appliances. Circuit breakers are commonly installed. Further, there is known a distribution control panel and an accessory device that add a seismic function to the earth leakage circuit breaker to cut off the power supply during an earthquake.

The device in which the seismic-sensing function is added to the earth leakage breaker of the electric safety device as described above has higher certainty of operation at the time of occurrence of an earthquake, as compared with the break-ball breaker breaker device of the falling ball system described in Patent Document 1. it is conceivable that. However, these devices are not so much due to the reason that the devices are expensive because they use seismic sensors, switching circuits, etc., and the installation cost is high due to the need for professional electrical work. The current situation is that it has not spread.

JP, 2004-296421, A

The present invention has been made in view of the above points, and an object thereof is that the structure is simple and inexpensive, and it can be easily installed regardless of professionals, but it is surely caused by vibration more than a predetermined value due to an earthquake. An object of the present invention is to provide a seismic power interruption device capable of causing a false earth leakage to operate an earth leakage breaker.

In order to solve the above problems, a seismic power interruption device (1) according to the present invention has a first plate member (10) made of a conductive metal and a predetermined plate above the first plate member (10). A second plate-shaped member (20) made of a conductive metal and provided with a gap between the first plate-shaped member (10) and the first plate-shaped member (10) placed on the first plate-shaped member (10). A contact member (35) made of an electrically conductive metal, disposed between the two plate members (20) and a weight member (36) provided integrally with the contact member (35). When the weight member (36) is oscillated by applying a predetermined or more vibration from the outside, the contact member (35) causes the first plate-shaped member (10) and the second plate-shaped member (20). ) And the first plate-shaped member (10) and the second plate-shaped member (20) are electrically connected to each other.

According to the seismic power interruption device of the present invention, the seismic vibrating body including the contact member and the weight member is stable (stationary) in a normal state, but when an earthquake occurs, the shaking thereof has a predetermined seismic intensity. When the seismic vibration body detects the shaking due to the earthquake and the weight member swings, the contact member tilts and comes into contact with both the first plate-shaped member and the second plate-shaped member. Conduct. As a result, it is possible to cause a pseudo leak with a shaking of a predetermined seismic intensity, and to operate the leak breaker to cut off the power supply. Therefore, it is possible to configure a seismic power interruption device having a simple and inexpensive structure.

The shaking caused by an earthquake includes a pitching P wave that occurs initially and a rolling S wave that occurs subsequently, but the seismic vibration body provided in the seismic power interruption device of the present invention has these pitching P wave and rolling S wave. It can be configured to operate against both swings. Therefore, it is possible to operate the earth leakage breaker by causing a pseudo earth leakage with respect to both the pitching P wave and the rolling S wave. As a result, it is possible to more reliably prevent the electric fire after the occurrence of the earthquake and also the electric power recovery fire at the time of re-energization.

As described above, the seismic power interruption device of the present invention uses the seismic vibrating body that vibrates when an earthquake having a seismic intensity of a predetermined level or more, which is determined to be dangerous, causes the electric circuit to be connected to the ground side ground terminal. Pseudo-leakage occurs, and the earth leakage breaker in the distribution board can be activated to shut off all power sources in the building. As a result, it is possible to prevent a fire that may cause a fire, such as a damage to electric wiring or an electric appliance, or a fire that occurs due to restoration by re-transmitting power after an earthquake.

In the seismic power interruption device of the present invention, the contact member (35) and the weight member (36) are integrally connected by a rod-shaped connecting member (37), and the first plate-shaped member ( A penetrating part (11) through which the connecting member (37) penetrates is formed in 10), and the contact member (35) corresponds to the penetrating part (11) of the first plate-shaped member (10). The weight member (36) may be placed around and may be supported in a state of being suspended downward from the contact member (35) via the connecting member (37).

According to this structure, the weight member or the vibration-sensitive vibrating body can be easily and surely oscillated by applying a vibration of a predetermined amount or more from the outside. It can be operated reliably.

Further, in the seismic power interruption device of the present invention, the first plate member (10) and the second plate member (20) have fixing screws (12, 22) for fixing to the base member (5). ) Are provided, and at least one of the mounting hole (13) of the first plate member (10) and the mounting hole (23) of the second plate member (20) is provided. May be formed in an elongated hole shape extending in the vertical direction.

According to this structure, by adjusting the mounting position of the fixing screw for fixing the first plate-shaped member and the second plate-shaped member to the mounting hole, the first plate-shaped member and the second plate-shaped member are The spacing can be adjusted. Therefore, it becomes possible to easily set the magnitude (seismic intensity) of shaking of the earthquake when the seismic power interruption device operates to a desired magnitude.

In the seismic power interruption device of the present invention, the contact member (35) is attached to the contact plate member (31) made of a conductive metal and the lower surface of the contact plate member (31). It may be configured to include a columnar pedestal member (32) that is mounted on the first plate-shaped member (10).

According to this configuration, the swinging of the weight member can be adjusted by adjusting the outer dimensions of the pedestal member. Therefore, it becomes possible to easily set the magnitude (seismic intensity) of the shaking of the earthquake operated by the seismic power interruption device to a desired magnitude.

In the seismic power interruption device of the present invention, one of the first plate-shaped member (10) and the second plate-shaped member (20) is connected to the non-grounded terminal (142) of the outlet (130). A first connecting portion (42) for electrically connecting, and a first connecting part (42) for connecting the other of the first plate-shaped member (10) and the second plate-shaped member (20) to a ground terminal (131) which is grounded. Two connection parts (50) may be provided.

Further, the seismic power interruption device (1) includes an insertion plug (40) for electrically connecting to an outlet (131), and a plug of a grounding side insertion terminal of the insertion plug (40). The blade (41) is made of an insulating material, and the plug blade (42) of the plug terminal on the non-grounded side is made of a conductive material. The blade (42) may be the first connection part (42).

Further, in the seismic power interruption device of the present invention, the plug blade (41) of the grounding side plug terminal of the plug plug (40) and the plug blade (42) of the non-grounding side plug terminal are , May be formed in different sizes.

The insertion hole for inserting the blade of the grounded outlet has different dimensions (width dimension) on the non-grounded side and the grounded side. Therefore, if the width of the plug blade on the ground side and the blade on the non-ground side of the plug are different from each other as in the above-mentioned configuration, when inserting the plug into a grounded outlet, ground It is possible to prevent the plug blade of the side insertion terminal and the plug blade of the non-grounded side insertion terminal from being inserted in reverse.

Further, in the seismic power interruption device of the present invention, the wiring between the first plate-shaped member (10) or the second plate-shaped member (20) and the first connecting portion (50) has an electrical resistance. (70) may be installed.

According to this configuration, when the power supply is cut off by the earth leakage breaker due to the operation of the seismic power interruption device, when the power supply is restored by restoring the earth leakage breaker, the ungrounded side terminal of the outlet It is possible to prevent a large current from flowing from the seismic power interruption device to the side via the wiring. Therefore, when the power is restored, it is possible to avoid the occurrence of a spark from each part of the plug and the seismic power interruption device.

According to the present invention, it is possible to inexpensively provide a seismic power interruption device that has a simple structure and can operate the earth leakage breaker to shut off the power supply by shaking more than a predetermined amount when an earthquake occurs.

It is a figure which shows the structure of the seismic-sensing power supply interruption apparatus which concerns on one Embodiment of this invention. It is a schematic circuit diagram which shows the structure of the electric wiring in the building which attached the seismic-sensing power interruption device. It is a figure which shows the insertion plug with which a seismic-sensing power interruption device is equipped, and the earthed outlet which attaches it. It is a figure explaining the case where a seismic-sensing power supply interruption device operates by the vertical vibration by an earthquake. It is a figure explaining the case where a seismic-sensing power supply interruption device operates by the rolling by an earthquake.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a diagram showing an internal structure of a seismic power interruption device 1 according to an embodiment of the present invention, in which (a) is a front view, (b) is a plan view, and (c) is a side view. is there. FIG. 2 is a schematic circuit diagram showing the configuration of electric wiring in the building to which the seismic power interruption device 1 is attached. FIG. 3 is a diagram showing the plug 40 included in the seismic power interruption device 1 and the grounded outlet 130 to which the plug 40 is attached.

As shown in FIG. 1, the main body 2 of the seismic power interruption device 1 includes a mounting metal plate (first plate-shaped member: lower plate) 10 made of a conductive metal flat plate, and a mounting metal plate 10 And a metal plate for conduction (second plate-shaped member: upper plate) 20 made of a conductive metal flat plate arranged in parallel with a predetermined gap above the plate, and mounted on the upper surface of the mounting metal plate 10. The contact member 35 is arranged between the mounting metal plate 10 and the current-carrying metal plate 20 (upper and lower gaps), and the weight member 36 is provided integrally with the contact member 35. There is.

The mounting metal plate 10 and the energizing metal plate 20 are fixed to the front surface of a mounting plate (base member) 5 included in the main body 2 of the seismic power interruption device 1 by fastening screws 12 and 22, respectively. Here, mounting holes 13 and 23 for mounting the screws 12 and 22 are formed in the mounting metal plate 10 and the current-carrying metal plate 20, respectively. The mounting hole 23 of the current-carrying metal plate 20 is formed in an elongated hole shape extending in the vertical direction. According to this configuration, the distance between the mounting metal plate 10 and the current-carrying metal plate 20 can be adjusted by adjusting the mounting position of the screw 22 for fixing the current-carrying metal plate 20 to the mounting hole 23. .. Therefore, it becomes possible to easily set the magnitude of the shaking that the seismic power interruption device 1 operates to a desired magnitude. In addition, here, the case where the mounting hole 23 of the energizing metal plate 20 is formed in the elongated hole shape is shown, but in addition to this, the mounting hole 13 of the mounting metal plate 10 is formed in the elongated hole shape. Alternatively, both the mounting hole 23 of the energizing metal plate 20 and the mounting hole 13 of the mounting metal plate 10 may be formed in an elongated shape.

Further, since the mounting plate 5 is fixed to the wall surface W in the building by fastening the screw 7, the main body portion 2 of the seismic-sensing power interruption device 1 becomes the wall surface W in the building, specifically, as shown in FIG. It is adapted to be attached and fixed to the wall surface W in the vicinity of the grounded outlet 130. Note that the seismic-sensing power interruption device 1 may be fixed to the wall surface W of the main body 2 by fastening with the screw 7 or by sticking and fixing with a double-sided tape.

The contact member 35 is made of a metal and has a circular flat plate shape, and a cylindrical pedestal member 32 mounted on the lower surface of the contact metal plate 31 and mounted on the upper surface of the mounting metal plate 10. It consists of and. Further, the base member 32 of the contact member 35 and the weight member 36 are integrally connected by a rod-shaped connecting member 37. The connecting member 37 can be configured with a screw shaft or the like as an example, and can be attached by being screwed to the pedestal member 32 or the weight member 36. The above-described contact member 35 (the contact metal plate 31 and the pedestal member 32), the connecting member 37, and the weight member 36 constitute the seismic vibration body 30. A circular through hole (penetrating portion) 11 through which the connecting member 37 penetrates is formed in the mounting metal plate 10, and the contact member 35 (base member 32) is a penetrating portion on the upper surface of the mounting metal plate 10. It is placed around 11. The inner diameter of the through hole 11 is set to be slightly larger than the diameter (thickness) of the connecting member 37, and a gap is formed between the inner periphery of the through hole 11 and the outer periphery of the connecting member 37. There is. Thereby, the connecting member 37 and the weight member 36 (the vibration-sensitive vibrating body 30) can be swung. Then, the weight member 36 is supported in a state of being suspended downward from the contact member 35 (base member 32) via the connecting member 37.

Here, by adjusting the outer dimensions of the pedestal member 32 (the diameter dimension (thickness) of the pedestal member 32 formed in a cylindrical shape) and the shape of the bottom portion, the swinging degree of the weight member 36 is arbitrarily adjusted. be able to. Therefore, it is possible to easily set the magnitude of the shaking that operates the seismic power interruption device 1 to a desired magnitude. In other words, in the seismic power interruption device 1 of the present embodiment, the seismic power interruption device is adjusted by adjusting the diametrical dimension of the pedestal member 32 and the interval dimension between the mounting metal plate 10 and the conducting metal plate 20. It is possible to set the magnitude of shaking (seismic intensity) at which 1 operates to any magnitude.

The material of the conductive metal constituting the above-mentioned metal plate 10 for mounting, metal plate 20 for energization, metal plate 31 for contact of the vibration-sensitive vibrating body 30, pedestal member 32, and shaft member 37 is preferably iron or gun metal. However, it is not particularly limited as long as it is a metal having conductivity. Material that does not generate rust that inhibits conductive performance, and rust-preventing surface treatment such as plating that has little deterioration over time and is not deformed or damaged when earthquake vibration is applied. Those with strength are desirable.

On the other hand, the material of the weight member 36 of the vibration-sensitive vibrating body 30 is not limited to the conductive material and may be a non-conductive material. Further, the shape of the weight member is not limited to the columnar shape, and may be another shape such as a square shape or a spherical shape.

Next, the configuration of electric wiring in the building to which the seismic power interruption device 1 is attached will be described. As shown in FIG. 2, a distribution board (switchboard) 110 installed in a building includes one main breaker 111, a plurality of branch breakers 112, and an earth leakage breaker provided between the main breaker 111 and the branch breaker 112. (Leakage breaker) 115 is provided. The main breaker 111 is a circuit breaker having a built-in contact that opens and closes an electric path and an electronic circuit (both not shown) that controls opening and closing of the contact, and is connected to the power supply line 120. The branch breaker 112 is connected to the main breaker 111 via a wire 113 and is connected to a plurality of load devices (not shown) via an outlet 130. The earth leakage breaker 115 is provided on the wiring 113 between the main breaker 111 and the branch breaker 112, and immediately shuts off the power when the earth leakage on the downstream side is detected.

As shown in FIG. 3, the seismic power interruption device 1 includes the main body 2 having the above-described configuration, and the insertion plug 40 and the ground plug 50 attached to the tips of the wires 61 and 62 led out from the main body 2. I have it. The plug 40 is inserted into the grounded outlet 130, and the ground plug 50 is attached to the grounded ground terminal 131 of the grounded outlet 130. Although illustration is omitted, if the outlet of the building is not a grounded outlet equipped with a grounded ground terminal, the grounding plug 50 of the seismic power interruption device 1 may be connected to a separately installed grounding terminal. Alternatively, it may be grounded by another method.

In addition, as shown in FIG. 3, the plug blade 41 of the ground-side plug terminal included in the plug 40 that electrically connects the seismic power interruption device 1 and the grounded outlet 130 is electrically insulative. The blade 42 of the plug-in terminal on the non-grounded side is made of a material such as a conductive metal. The plug blade 41 of the ground-side plug-in terminal may be made of a metal material and coated with an insulating paint on the surface thereof, or may be configured to have an insulating sheet attached to the surface thereof.

Then, the mounting metal plate 10 of the seismic power interruption device 1 is connected to the non-ground side pole terminal 142 of the grounded outlet 130 via the plug blade 42 of the non-ground side insertion terminal of the insertion plug 40. The current-carrying metal plate 20 is connected to the ground terminal 131 of the grounded outlet 130 via the ground plug 50. Further, the plug blade 41 of the ground-side plug terminal that is inserted into the ground-side pole terminal (plug hole) 141 of the grounded outlet 130 is a so-called dummy terminal that is not electrically connected to anything. There is.

Further, the blade 41 of the ground-side insertion terminal and the blade 42 of the non-grounded insertion terminal are formed to have different outer dimensions. Specifically, the dimensions of the blade 41 of the ground-side plug terminal and the blade 42 of the non-ground-side plug terminal are respectively the dimensions of one of the plug holes 141 of the grounded outlet 130 and the other plug hole 142. It is formed to have a size (width size) that matches the size of. Since the length of the insertion hole of the grounded outlet 130 is different between the grounded side insertion hole 141 and the non-grounded side insertion hole 142, when inserting the insertion plug 40 into the grounded outlet 130, It is possible to prevent the plug blade 41 of the ground-side insertion terminal and the plug blade 42 of the non-ground-side insertion terminal from being inserted in reverse. The shape of the two insertion holes of the outlet is not limited to the grounded outlet and is different from each other because it is determined by the product standard.

Further, as shown in FIG. 2, a resistor (electrical resistance) 70 is attached on the wiring 61 connected from the plug blade 42 of the plug terminal on the non-grounded side in the plug plug 40 to the mounting metal plate 10. Has been. This resistor 70 is provided on the ungrounded side of the outlet 130 when the power is cut off by the earth leakage breaker 115 due to the operation of the seismic power interruption device 1 and then the electricity is restored by restoring the earth leakage breaker 115. This is to prevent a large current from flowing from the pole terminal 142 to the mounting metal plate 10 side via the wiring 61. As a result, when the power is restored, it is possible to avoid the occurrence of sparks from each part of the seismic power interruption device 1. Although the mounting position of the resistor 70 is not limited as long as it is on the wiring 61, it can be mounted in the insertion plug 40 as an example.

Next, the operation of the seismic power interruption device 1 having the above configuration will be described. FIG. 4 is a diagram for explaining a case where the seismic power interruption device 1 operates due to vertical vibration due to an earthquake, and FIG. 5 is a diagram for explaining a case where the seismic power interruption device 1 operates due to lateral vibration due to an earthquake. As shown in these figures, the seismic-sensing power cutoff device 1 causes the seismic-sensing vibration body 30 to oscillate regardless of whether the vertical shake (FIG. 4) or the horizontal shake (FIG. 5) caused by an earthquake is the main. When any of the contact metal plate 31, the pedestal member 32, and the shaft member 38 is in contact with both the mounting metal plate 10 and the energizing metal plate 20, the mounting metal plate 10 and the contact metal plate are contacted with each other. It is possible to conduct (energize) with 31. As a result, when the seismic vibration body 30 oscillates due to the vertical P wave or the horizontal S wave of the earthquake, the metal plate 10 for mounting and the metal plate 31 for contact of the seismic vibration body 30 come into contact with each other to conduct electricity. However, a pseudo leak can occur.

That is, the seismic vibration body 30 is stable (stationary) in normal times, but when an earthquake occurs and the shaking reaches a shaking corresponding to a predetermined seismic intensity (as an example, a shaking of seismic intensity of about 5 is reached. At this time, the vibration-sensitive vibrating body 30 can sense a vertical pitch or a horizontal pitch, or a vibration in which the vertical pitch and the horizontal pitch are combined, to cause a pseudo electric leakage. As a result, all the power sources in the building can be immediately shut off by operating the earth leakage breaker (earth leakage breaker) 115 of the distribution board 110.

As described above, according to the seismic power interruption device 1 of the present embodiment, the placement metal plate 10 made of a conductive metal and the placement metal plate 10 are arranged with a predetermined gap therebetween. From the conductive metal plate 20 made of a conductive metal, and the conductive metal placed on the mounting metal plate 10 and arranged between the mounting metal plate 10 and the conductive metal plate 20. The contact member 35 and the weight member 36 integrally provided with the contact member 35 are provided. The contact member 35 is mounted by swinging the weight member 36 by application of a predetermined or more vibration from the outside. It is characterized in that both the mounting metal plate 10 and the energizing metal plate 20 are brought into contact with each other so that the mounting metal plate 10 and the energizing metal plate 20 are electrically connected.

According to the seismic power interruption device 1 of the present embodiment, the seismic vibrating body 30 including the contact member 35 and the weight member 36 is stable (stationary) in a normal state, but an earthquake occurs and the shaking thereof occurs. When a predetermined seismic intensity is reached, the seismic vibration body 30 senses the shaking caused by the earthquake and the weight member 36 swings, whereby the contact member 35 tilts and the mounting metal plate 10 and the energizing metal plate 20 Both are contacted and they conduct. As a result, it is possible to cause a pseudo electric leakage by shaking with a predetermined seismic intensity, and to operate the electric leakage breaker 115 to cut off the power supply. Therefore, it is possible to configure a seismic power interruption device having a simple and inexpensive structure.

As described above, the shaking due to the earthquake includes the pitching P wave that occurs in the initial stage and the rolling S wave that occurs subsequently. However, the seismic vibration body 30 included in the seismic power interruption device 1 has these pitching P waves. It works for both sway and roll S waves. Therefore, it is possible to operate the earth leakage breaker 115 by causing a pseudo earth leakage with respect to both the pitching P wave and the rolling S wave. As a result, it is possible to more reliably prevent the electric fire after the occurrence of the earthquake and also the electric power recovery fire at the time of re-energization.

As described above, the seismic power interruption device 1 of the present embodiment uses the seismic vibration body 30 that vibrates when an earthquake having a seismic intensity of a predetermined level or more, which is determined to be dangerous, causes the ground terminal on the ground side in the electric circuit. It is possible to shut off all the power sources in the building by causing a pseudo leak between them and operating the leak breaker 115 in the distribution board 110. As a result, it is possible to prevent a fire that may cause a fire, such as a damage to electric wiring or an electric appliance, or a fire that occurs due to restoration by re-transmitting power after an earthquake.

Further, in the seismic power interruption device 1 of the present embodiment, the contact member 35 and the weight member 36 are integrally connected by the rod-shaped connecting member 37, and the mounting metal plate 10 has the connecting member 37. The penetrating portion 11 is formed so as to penetrate, the contact member 35 is placed around the penetrating portion 11 of the mounting metal plate 10, and the weight member 36 is connected to the contact member 35 via the connecting member 37. It is supported in a state of being hung downward from.

According to this configuration, the weight member 36 can be easily and reliably swung by the application of a predetermined or more vibration from the outside, so that the seismic power interruption device 1 can be reliably operated by an earthquake with a seismic intensity of the predetermined or more. Can be made.

In the seismic power interruption device 1 of the present embodiment, the mounting metal plate 10 and the energizing metal plate 20 have mounting holes for mounting the fixing screws 12 and 22 that are fixed to the mounting plate (base member) 5. 13 and 23 are provided, and the mounting hole 23 of the current-carrying metal plate 20 is formed in an elongated hole shape extending in the vertical direction.

According to this configuration, the gap between the mounting metal plate 10 and the current-carrying metal plate 20 is adjusted by adjusting the mounting position of the fixing screw 22 for fixing the current-carrying metal plate 20 to the mounting hole 23. be able to. Therefore, it becomes possible to easily set the magnitude (seismic intensity) of the shaking of the earthquake when the seismic power interruption device 1 operates to a desired magnitude.

Further, in the seismic power interruption device 1 of the present embodiment, the contact member 35 is attached to the contact metal plate 31 made of a conductive metal and the lower surface of the contact metal plate 31, and the mounting metal plate 10 is attached. This is a configuration including a columnar pedestal member 32 placed on top.

According to this configuration, the swinging of the weight member 36 can be adjusted by adjusting the outer dimensions of the pedestal member 32. Therefore, it becomes possible to easily set the magnitude (seismic intensity) of the shaking of the earthquake when the seismic power interruption device 1 operates to a desired magnitude.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications are possible within the scope of the claims and the technical idea described in the specification and drawings. Deformation is possible. For example, in the above-described embodiment, the case where the mounting metal plate 10 is connected to the plug blade 42 of the insertion terminal on the non-ground side of the insertion plug 40 and the energization metal plate 20 is connected to the ground plug 50 has been described. However, instead of this, although not shown, the mounting metal plate 10 is connected to the ground plug 50, and the energizing metal plate 20 is connected to the plug blade 42 of the plug terminal on the non-grounded side of the plug 40. You may connect.

1 Seismic power interruption device 2 Main body 5 Mounting plate (base member)
7 Screw 10 Mounting metal plate (first plate member)
11 Through hole (through portion)
12, 22 Screws 13, 23 Mounting hole 20 Current-carrying metal plate (second plate member)
30 seismic vibration body 31 metal plate for contact (plate member for contact)
32 pedestal member 35 contact member 36 weight member 37 connecting member 40 insertion plug 41 plug blade of grounding side plug terminal 42 plug blade of non-grounding side plug terminal (first connecting portion)
50 Ground plug (2nd connection part)
61, 62 Wiring 70 Resistor (electrical resistance)
110 Distribution board 111 Master breaker 112 Branch breaker 113 Wiring 115 Leakage breaker (leakage breaker)
120 power line 130 grounding outlet 131 grounding terminal 141 insertion hole (ground side pole terminal)
142 Insertion hole (non-ground side terminal)
W wall

Claims (7)

A first plate-shaped member made of a conductive metal,
A second plate-shaped member made of a conductive metal, which is arranged above the first plate-shaped member with a predetermined gap therebetween;
A contact member made of a conductive metal, which is placed on the first plate-shaped member and is arranged between the first plate-shaped member and the second plate-shaped member;
A weight member integrally provided with the contact member,
The contact member includes a contact plate member made of a conductive metal and a columnar pedestal member mounted on the lower surface of the contact plate member and placed on the first plate member. Becomes
When the weight member swings by application of a predetermined or more vibration from the outside, the contact member comes into contact with both the first plate-shaped member and the second plate-shaped member, and these first plate A seismic power interruption device, characterized in that the plate-shaped member and the second plate-shaped member are electrically connected. The contact member and the weight member are integrally connected by a rod-shaped connecting member,
The first plate-shaped member has a penetrating portion through which the connecting member penetrates, and the contact member is placed around the penetrating portion of the first plate-shaped member,
The seismic power interruption device according to claim 1, wherein the weight member is supported in a state of being hung downward from the contact member via the connecting member. The first plate-shaped member and the second plate-shaped member are provided with mounting holes for mounting fixing screws for fixing to the base member,
At least one of the attachment hole of the said 1st plate-shaped member and the attachment hole of the said 2nd plate-shaped member is formed in the elongate hole shape extended in a up-down direction, The feeling of Claim 1 or 2 characterized by the above-mentioned. Earthquake power cutoff device. A first connecting portion for electrically connecting one of the first plate-shaped member and the second plate-shaped member to a non-grounded side terminal of an outlet;
Any one of claims 1 to 3 , further comprising: a second connecting portion that connects the other of the first plate-shaped member and the second plate-shaped member to a ground terminal that is grounded. The seismic power interruption device according to item 1. The seismic power interruption device includes a plug for electrically connecting to an outlet,
The plug blade of the grounding side plug terminal of the plug plug is made of an insulating material, and the plug blade of the non-grounding side plug terminal is made of a conductive material,
The seismic power interruption device according to claim 4 , wherein the plug blade of the plug terminal on the non-grounded side is a first connecting portion . The blade of the plug-in terminal on the ground side of the plug and the blade of the plug-in terminal on the non-ground side are formed to have mutually different dimensions. The seismic power interruption device according to item 5. Wherein the wiring between the first plate member or the second plate-shaped member and the first connecting part, one of the claims 4 to 6, wherein <br/> the electrical resistance is provided The seismic power interruption device according to item 1 .