WO2022255222A1 - プラグ、及びダクトシステム - Google Patents

プラグ、及びダクトシステム Download PDF

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Publication number
WO2022255222A1
WO2022255222A1 PCT/JP2022/021589 JP2022021589W WO2022255222A1 WO 2022255222 A1 WO2022255222 A1 WO 2022255222A1 JP 2022021589 W JP2022021589 W JP 2022021589W WO 2022255222 A1 WO2022255222 A1 WO 2022255222A1
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WO
WIPO (PCT)
Prior art keywords
housing
plug
holding force
pair
blade
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2022/021589
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English (en)
French (fr)
Japanese (ja)
Inventor
達雄 古賀
紳一郎 矢野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to JP2023525772A priority Critical patent/JP7523034B2/ja
Publication of WO2022255222A1 publication Critical patent/WO2022255222A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length

Definitions

  • the present invention relates to a plug that receives DC power supplied from a wiring duct and a duct system.
  • Patent Document 1 discloses a wiring duct system.
  • This wiring duct system includes a wiring duct and a plug.
  • the wiring duct has a power supply terminal electrically connected to the DC power supply.
  • the plug has a power receiving contact for contact conduction with the power supply terminal.
  • the present invention provides a plug and a duct system that can easily suppress arcing.
  • a plug according to one aspect of the present invention includes a housing, a blade, and a conversion structure.
  • the blade is held by the housing between a first position where it is electrically and mechanically connected to a conductive rail conductor of a wiring duct and a second position where it is separated from the rail conductor.
  • the converting structure accumulates a first holding force for maintaining the contact state of the blade with the rail conductor, and converts the accumulated first holding force into a rotational force of the housing.
  • the rotation angle of the housing reaches the first angle. When one holding force is accumulated and the rotation angle exceeds the first angle, the accumulated first holding force is converted into the rotational force of the housing in the first direction.
  • a plug according to one aspect of the present invention includes a housing, a blade, and a conversion structure.
  • the blade is held by the housing between a first position where it is electrically and mechanically connected to a conductive rail conductor of a wiring duct and a second position where it is separated from the rail conductor.
  • the conversion structure accumulates a second holding force for maintaining the state in which the blade is not in contact with the rail conductor, and converts the accumulated second holding force into a rotational force of the housing.
  • the rotation angle of the housing reaches the second angle. 2 holding forces are accumulated, and when the rotation angle exceeds the second angle, the accumulated second holding force is converted into the rotational force of the housing in the second direction.
  • a duct system includes the plug and the wiring duct that supplies DC power to the plug while the plug is connected.
  • the plug and duct system of the present invention have the advantage of being easy to suppress arcing.
  • FIG. 1A is an explanatory diagram of an operation when the plug according to Embodiment 1 is removed from the wiring duct.
  • FIG. 1B is an explanatory diagram of the operation when removing the plug according to Embodiment 1 from the wiring duct.
  • FIG. 1C is an explanatory diagram of the operation when removing the plug according to Embodiment 1 from the wiring duct.
  • FIG. 1D is an explanatory diagram of the operation when the plug according to Embodiment 1 is removed from the wiring duct.
  • FIG. 2 is a perspective view showing an outline of the wiring duct according to Embodiment 1.
  • FIG. FIG. 3A is an explanatory diagram of the operation when removing the plug from the wiring duct according to the second embodiment.
  • FIG. 3B is an explanatory diagram of the operation when removing the plug from the wiring duct according to the second embodiment.
  • FIG. 3C is an explanatory diagram of the operation when removing the plug from the wiring duct according to the second embodiment.
  • FIG. 3D is an explanatory diagram of the operation when removing the plug from the wiring duct according to the second embodiment.
  • FIG. 4A is an explanatory diagram of the operation when attaching the plug according to Embodiment 2 to the wiring duct.
  • FIG. 4B is an explanatory diagram of the operation when attaching the plug according to Embodiment 2 to the wiring duct.
  • FIG. 4C is an explanatory diagram of the operation when attaching the plug according to Embodiment 2 to the wiring duct.
  • FIG. 4D is an explanatory diagram of the operation when attaching the plug according to Embodiment 2 to the wiring duct.
  • FIG. 5 is a perspective view showing an outline of a plug and a wiring duct according to Embodiment 3.
  • FIG. FIG. 6 is a perspective view showing a plug according to Embodiment 3.
  • FIG. 7A is an explanatory diagram of the operation when removing the plug from the wiring duct according to the third embodiment.
  • FIG. 7B is an explanatory diagram of the operation when removing the plug from the wiring duct according to the third embodiment.
  • FIG. 8A is an explanatory diagram of the operation when attaching the plug according to Embodiment 3 to the wiring duct.
  • FIG. 8B is an explanatory diagram of the operation when attaching the plug according to Embodiment 3 to the wiring duct.
  • each figure is a schematic diagram and is not necessarily strictly illustrated. Moreover, in each figure, the same code
  • FIG. 1A to 1D are explanatory diagrams of operations when removing the plug 1 according to the first embodiment from the wiring duct 2, respectively.
  • FIG. 2 is a perspective view showing an outline of the wiring duct 2 according to Embodiment 1.
  • FIG. 1A to 1D (a) is a plan view of the rail conductor 22 (described later) and the plug 1 viewed from the ceiling side (above), and (b) is a side view of the rail conductor 22 and the plug 1. 1 is a plan view seen from . In the following description, it is assumed that the ceiling side in the vertical direction is the upper side, and the floor side is the lower side.
  • the duct system 100 includes a plug 1 and a wiring duct 2 that supplies DC power to the plug 1 while the plug 1 is connected.
  • the duct system 100 is used in a so-called DC (Direct Current) distribution network.
  • the DC distribution network is configured to include one or more wiring ducts 2 and is supplied with DC power from a DC power supply.
  • Each wiring duct 2 includes a pair of electric lines, a positive feed line connected to the positive electrode on the output side of the DC power supply, and a negative feed line connected to the negative electrode on the output side of the DC power supply.
  • the plug 1 is configured to be attachable to the wiring duct 2, and in the state of being attached to the wiring duct 2, supplies DC power to a device coupled to the plug 1 via a cable. Further, the plug 1, while attached to the wiring duct 2, supplies DC power to a power adapter connected to the plug 1 via a cable. The power adapter converts DC power supplied from the plug 1 into predetermined DC power, and supplies the converted DC power to the device. In any case, the plug 1 is configured to directly or indirectly supply DC power to the device while connected to the wiring duct 2 .
  • Devices are lighting fixtures as an example, but they may also be speakers, cameras, sensors, or USB PDs (Power Delivery).
  • the device may be a device other than a lighting fixture as long as it is driven by receiving DC power.
  • the wiring duct 2 is a so-called duct rail to which one or more plugs 1 can be attached. That is, in the wiring duct 2, one or more plugs 1 can be freely arranged.
  • the wiring duct 2 is arranged on the ceiling of the facility, but may be arranged on the floor, wall, furniture, or the like of the facility.
  • the wiring duct 2 has a long duct body 21 and a pair of rail conductors 22 .
  • One surface (upper surface) of the duct body 21 that is fixed to the ceiling or the like and one surface (lower surface) on the opposite side are provided so that the plug blade 12, the first base portion 13, and the second base portion 14 of the plug 1, which will be described later, pass through. is provided along the longitudinal direction of the duct body 21 .
  • the pair of rail conductors 22 are formed in a long plate shape along the longitudinal direction of the duct body 21, and are made of metal and have electrical conductivity.
  • One rail conductor 22 of the pair of rail conductors 22 constitutes a positive feed line connected to the positive electrode on the output side of the DC power supply, and the other rail conductor 22 is connected to the negative electrode on the output side of the DC power supply. Negative power supply line is configured.
  • the plug 1 includes a housing 11, a blade 12, a first base 13, a second base 14, and a torsion coil spring 15, as shown in FIGS. 1A to 1D. .
  • the housing 11 is made of, for example, a resin material and has a rectangular parallelepiped shape. Components for electrically connecting the blade 12 and the cable are housed inside the housing 11 . Further, the housing 11 is a part that a user holds by hand when attaching the plug 1 to the wiring duct 2 or when removing the plug 1 from the wiring duct 2 .
  • the blade 12 is made of metal and has a plate shape.
  • a pair of blades 12 are provided, one blade 12 is attached to one rail conductor 22 of the pair of rail conductors 22, and the other blade 12 is attached to one of the pair of rail conductors 22. It corresponds to the other rail conductor 22 .
  • the pair of blades 12 are arranged along a direction intersecting (here, perpendicular to) the longitudinal direction of the housing 11. in position.
  • the blade 12 is held by the housing 11 and moves between the first position and the second position as the housing 11 rotates.
  • rotation here refers to clockwise or counterclockwise rotation about an imaginary axis parallel to the thickness direction of the housing 11 and passing through the center of the housing 11 . Note that the position of the center of rotation (virtual axis) may be off the center of the housing 11 .
  • the first position is the position where the blade 12 is electrically and mechanically connected to the conductive rail conductor 22 of the wiring duct 2 .
  • the second position is the position where the blade 12 is separated from the rail conductor 22 .
  • the pair of blades 12 are electrically connected to the rail conductors 22 by contacting the pair of rail conductors 22, respectively, and the pair of rail conductors are connected to each other. 22 and mechanically connected to the rail conductor 22 .
  • the pair of blades 12 are both separated from the pair of rail conductors 22 and are not in contact with the pair of rail conductors 22 .
  • the pair of blades 12 are held by the housing 11 via the first base portion 13 and the second base portion 14 .
  • the first base portion 13 has a columnar shape and is provided so as to be in contact with one surface (upper surface) of the housing 11 .
  • the second platform 14 has a rectangular parallelepiped shape and is provided so as to be in contact with one surface (upper surface) of the first platform 13 . Both the first base portion 13 and the second base portion 14 are dimensioned so that they can be inserted into the opening 210 of the duct body 21 .
  • a pair of blades 12 are fixed to the second base portion 14 so as to protrude from the side surface in the radial direction.
  • the first base portion 13 and the second base portion 14 are both configured to rotate in the same direction as the housing 11 rotates. That is, when the housing 11 rotates, the first base portion 13 and the second base portion 14 rotate accordingly, and the pair of blades 12 fixed to the second base portion 14 also rotate.
  • the first platform 13 and the second platform 14 are not fixed to the housing 11, but are accommodated inside the housing 11, the first platform 13, and the second platform 14.
  • the torsion coil spring 15 is configured to rotate together with the housing 11 .
  • the torsion coil spring 15 has one end fixed to the housing 11 and the other end fixed to the second base 14 via the first base 13 . Therefore, when the housing 11 rotates, the force received when the housing 11 rotates is transmitted to the first base portion 13 and the second base portion 14 via the torsion coil spring 15, thereby The first platform 13 and the second platform 14 also rotate.
  • the torsion coil spring 15 is compressed by receiving a force that narrows the distance between the one end and the other end in plan view in a state where either one of the one end and the other end is fixed, and accumulates elastic energy. do.
  • the torsion coil spring 15 is elongated by receiving a force that widens the distance between the one end and the other end in a plan view in a state in which either one of the one end and the other end is fixed, and elastic energy is applied. accumulate.
  • the first base portion 13, the second base portion 14, and the torsion coil spring 15 constitute the conversion structure 3.
  • the conversion structure 3 accumulates a first holding force P11 that attempts to maintain the contact state of the blade 12 with the rail conductor 22, and converts the accumulated first holding force P11 into a rotational force P21 of the housing 11.
  • the torsion coil spring 15 is an elastic body that compresses or expands according to the rotation of the housing 11, and is a type of coil spring. That is, the conversion structure 3 includes an elastic body (torsion coil spring 15) that compresses or expands as the housing 11 rotates. Also, the elastic body is a coil spring (torsion coil spring 15).
  • the conversion structure 3 is configured such that when the housing 11 is rotated in the first direction D1 (here, counterclockwise) for moving the blade 12 from the first position to the second position, the housing 11 is rotated.
  • the first holding force P11 is accumulated until the rotation angle ⁇ 1 of the body 11 reaches the first angle ⁇ 11. Then, when the rotation angle ⁇ 1 of the housing 11 exceeds the first angle ⁇ 11, the conversion structure 3 converts the accumulated first holding force P11 into a rotational force P21 of the housing 11 in the first direction D1.
  • the conversion structure 3 in the process of rotating the housing 11 in the first direction D1 in order to remove the plug 1 from the wiring duct 2, the conversion structure 3 accumulates the first holding force P11 and the accumulated second holding force P11. 1
  • the holding force P11 is used to increase the rotational force P21 of the housing 11 .
  • the rotation angle ⁇ 1 of the housing 11 refers to the angle formed by the longitudinal direction of the housing 11 and the reference line parallel to the longitudinal direction of the rail conductor 22 .
  • FIG. 1A shows a state where the rotation angle ⁇ 1 of the housing 11 is 90 degrees
  • FIG. 1B shows a state where the rotation angle ⁇ 1 of the housing 11 is less than the first angle ⁇ 11.
  • FIG. 1C shows a state where the rotation angle ⁇ 1 of the housing 11 is the first angle ⁇ 11
  • FIG. 1D shows a state where the rotation angle ⁇ 1 of the housing 11 is 0 degree.
  • FIG. 1A shows a state where the plug 1 is attached to the wiring duct 2 and the pair of blades 12 are electrically and mechanically connected to the pair of rail conductors 22, respectively.
  • the torsion coil spring 15 receives no particular external force.
  • the torsion coil spring 15 fixed to the housing 11 rotates together with the housing 11, whereas the other end of the torsion coil spring 15 fixed to the second base portion 14 rotates together with the housing 11.
  • the ends do not rotate.
  • the distance between both ends of the torsion coil spring 15 is narrowed in plan view, and elastic energy is accumulated in the torsion coil spring 15 .
  • the torsion coil spring 15 accumulates a first holding force P11 that tries to keep the pair of blades 12 in contact with the pair of rail conductors 22 .
  • the first base portion 13, the second base portion 14, and the pair of blades 12 are vigorously rotated in the first direction D1 together with the housing 11, thereby bringing the pair of blades 12 into the state shown in FIG. 1D.
  • the plug 1 can be removed from the wiring duct 2.
  • arcing can occur due to disconnection or partial disconnection of a pair of rail conductors 22.
  • arcing can also occur when the plug 1 is removed from the wiring duct 2. That is, when the wiring duct 2 is in a live line state (that is, when a current is flowing through the pair of rail conductors 22), when the plug 1 is removed from the wiring duct 2, the pair of blades 12 and the pair of blades 12 are removed in the process. , and the rail conductor 22 are close to each other. If this situation continues, there is a problem that an arc may occur between the blade 12 and the rail conductor 22 .
  • the plug 1 according to Embodiment 1 is provided with the conversion structure 3 as described above to solve the above problem. That is, in the process of removing the plug 1 from the wiring duct 2, by converting the first holding force P11 accumulated in the conversion structure 3 into the rotational force P21, the housing 11 and the pair of blades 12 can be vigorously rotated. Therefore, in the plug 1 according to Embodiment 1, in the process of removing the plug 1 from the wiring duct 2, the period during which the blade 12 approaches the rail conductor 22 can be shortened as much as possible. There is an advantage that it is easy to suppress the occurrence of
  • FIGS. 3A to 3D and 4A to 4D are explanatory diagrams of operations when the plug 1A according to the second embodiment is removed from the wiring duct 2.
  • FIG. 4A to 4D are explanatory diagrams of the operation when the plug 1A according to Embodiment 2 is attached to the wiring duct 2.
  • FIG. 3A to 3D (a) is a plan view of the rail conductor 22 and the plug 1A viewed from the ceiling side (upper side), and (b) is a plan view of the rail conductor 22 and the plug 1A viewed from the side. It is a diagram. 4A to 4D are plan views of the rail conductor 22 and the plug 1A viewed from the ceiling side (above).
  • the plug 1A according to Embodiment 2 is different from the plug 1 according to Embodiment 1 in that it further includes a temporary holding portion 16, and the temporary holding portion 16 is a component of the conversion structure 3A.
  • description of points common to the plug 1 according to the first embodiment will be omitted.
  • the temporary holding portion 16 is separate from the housing 11, the first table portion 13, and the second table portion 14, and has a pair of contact bodies 161 and a connecting portion 162.
  • Each of the pair of contact bodies 161 is formed in a rectangular parallelepiped shape and positioned at almost the same height as the second base portion 14 .
  • both of the pair of contact bodies 161 are dimensioned so as to be able to be inserted into the opening 210 of the duct body 21 , similarly to the second base portion 14 .
  • the connecting portion 162 is provided so as to be sandwiched between the housing 11 and the first base portion 13 and connected to each of the pair of contact bodies 161 .
  • one contact member 161 of the pair of contact members 161 contacts one rail conductor 22 of the pair of rail conductors 22 and the other contact member 161 contacts the rail conductor 22 . contacts the other rail conductor 22 of the pair of rail conductors 22 . Therefore, even if the housing 11 rotates, the pair of contact members 161 are restricted from rotating by the pair of rail conductors 22 as stoppers. . Also, the distance between the pair of contact bodies 161 is almost the same as or slightly shorter than the distance between the tips of the pair of blades 12 .
  • the first base portion 13, the second base portion 14, the torsion coil spring 15, and the temporary holding portion 16 constitute the conversion structure 3A.
  • the conversion structure 3A accumulates a second holding force P12 that attempts to maintain the state in which the blade 12 is not in contact with the rail conductor 22, and converts the accumulated second holding force P12 into a rotational force P22 of the housing 11. Structure.
  • the conversion structure 3A rotates the housing 11 in the second direction D2 (here, clockwise) for moving the blade 12 from the second position to the first position.
  • the second holding force P12 is accumulated until the rotation angle .theta.2 of 11 reaches the second angle .theta.21.
  • the conversion structure 3A converts the accumulated first holding force P12 into a rotation force P22 of the housing 11 in the second direction D2. That is, in the second embodiment, the conversion structure 3A accumulates the second holding force P12 in the process of rotating the housing 11 in the second direction D2 in order to attach the plug 1 to the wiring duct 2. 2
  • the holding force P12 is used to increase the rotational force P22 of the housing 11 .
  • the rotation angle ⁇ 2 of the housing 11 is the angle formed by the longitudinal direction of the housing 11 and the reference line that is parallel to the longitudinal direction of the rail conductor 22 (here, perpendicular to the longitudinal direction).
  • FIG. 4A shows a state where the rotation angle ⁇ 2 of the housing 11 is 0 degree
  • FIG. 4B shows a state where the rotation angle ⁇ 2 of the housing 11 is less than the second angle ⁇ 21
  • 4C shows a state where the rotation angle ⁇ 2 of the housing 11 is the second angle ⁇ 21
  • FIG. 4D shows a state where the rotation angle ⁇ 2 of the housing 11 is 90 degrees.
  • the conversion structure 3A similarly to the conversion structure 3 of the first embodiment, the conversion structure 3A accumulates a first holding force P11 that tries to keep the blade 12 in contact with the rail conductor 22, This structure converts the accumulated first holding force P11 into a rotational force P21 of the housing 11 . That is, when the conversion structure 3A rotates the housing 11 in the first direction D1 (here, counterclockwise) for moving the blade 12 from the first position to the second position, the rotation angle ⁇ 1 of the housing 11 is reaches the first angle ⁇ 11, the first holding force P11 is accumulated.
  • the conversion structure 3A converts the accumulated first holding force P11 into a rotational force P21 of the housing 11 in the first direction D1. That is, in the second embodiment, the conversion structure 3A accumulates the first holding force P11 in the process of rotating the housing 11 in the first direction D1 in order to remove the plug 1 from the wiring duct 2. 1 The holding force P11 is used to increase the rotational force P21 of the housing 11 .
  • 3A to 3D show the process of removing the plug 1A from the wiring duct 2, but since it is the same as the first embodiment, the explanation is omitted here. That is, in the description of the process of removing the plug 1 from the wiring duct 2 in Embodiment 1, "plug 1" is replaced with “plug 1A”, “Fig. 1A”, “Fig. 1B”, “Fig. 1C”, and “Fig. 1D”. 3A, 3B, 3C, and 3D, respectively. In the process of removing the plug 1A from the wiring duct 2, the temporary holding portion 16 does not particularly function as the conversion structure 3A.
  • FIG. 4A shows a state in which the first base portion 13, the second base portion 14, and the temporary holding portion 16 are inserted into the opening 210 of the duct body 21.
  • FIG. 4A In the state shown in FIG. 4A, the torsion coil spring 15 receives no particular external force.
  • the distance between both ends of the torsion coil spring 15 is increased in plan view, and elastic energy is accumulated in the torsion coil spring 15 .
  • the torsion coil spring 15 accumulates the second holding force P12 to keep the pair of blades 12 out of contact with the pair of rail conductors 22 .
  • the housing 11 of the plug 1A is further rotated in the second direction D2, and when the rotation angle ⁇ 2 of the housing 11 reaches the second angle ⁇ 21, the pair of blades 12 move toward the pair of contact bodies 161. Friction between the pair of blades 12 and the pair of contact bodies 161 is lost. Therefore, one end of the torsion coil spring 15 that is fixed to the second base portion 14 is freely movable, so that the elastic energy accumulated in the torsion coil spring 15 is released, and the torsion is performed. The coil spring 15 attempts to return to its original state. That is, the second holding force P12 accumulated in the torsion coil spring 15 is converted into a rotational force P22 for rotating the housing 11 in the second direction D2.
  • the first base portion 13, the second base portion 14, and the pair of blades 12 are vigorously rotated together with the housing 11 in the second direction D2, thereby bringing the pair of blades 12 into the state shown in FIG. 4D. . That is, the plug 1A is attached to the wiring duct 2 by electrically and mechanically connecting the pair of blades 12 to the pair of rail conductors 22 .
  • Arc generation due to such chattering can occur not only in DC power distribution networks but also in AC power distribution networks.
  • an AC power distribution network since the current flowing through the pair of rail conductors 22 is an alternating current, there is a moment when the current becomes zero. Specifically, the duration of the arc is less than half the period of the alternating current.
  • the current flowing through the pair of rail conductors 22 is a direct current, the current does not become zero, and the duration of the arc due to chattering tends to increase.
  • the plug 1A according to the second embodiment is provided with the conversion structure 3A as described above to solve the above problem. That is, in the process of attaching the plug 1A to the wiring duct 2, by converting the second holding force P12 accumulated in the conversion structure 3A into the rotational force P22, the housing 11 and the pair of blades 12 can be vigorously rotated. Therefore, in the plug 1A according to the second embodiment, in the process of attaching the plug 1A to the wiring duct 2, it is possible to suppress the occurrence of chattering between the blade 12 and the rail conductor 22, resulting in arc generation. There is an advantage that it is easy to suppress the occurrence.
  • the plug 1A according to the second embodiment similarly to the plug 1 according to the first embodiment, even in the process of removing the plug 1A from the wiring duct 2, the first holding force P11 accumulated in the conversion structure 3A is rotated. By converting the force into the force P21, it is possible to rotate the housing 11 and the pair of blades 12 more vigorously than when the conversion structure 3A is not provided. Therefore, in the plug 1A according to Embodiment 2, even in the process of removing the plug 1 from the wiring duct 2, the period during which the blade 12 approaches the rail conductor 22 can be shortened as much as possible. There is an advantage that it is easy to suppress arc generation.
  • FIG. 5 is a perspective view showing an outline of the plug 1B and wiring duct 2 according to the third embodiment.
  • FIG. 6 is a perspective view showing a plug 1B according to Embodiment 3.
  • FIG. 5 is a perspective view showing an outline of the plug 1B and wiring duct 2 according to the third embodiment.
  • FIG. 6 is a perspective view showing a plug 1B according to Embodiment 3.
  • the plug 1B according to Embodiment 3 the first base portion 13A and the second base portion 14A are fixed to the housing 11 and are configured so as not to rotate independently of the housing 11. It is different from the plug 1 according to the form 1 of . Further, the plug 1B according to the third embodiment is different from the plug 1 according to the first embodiment in that the rotation suppressing portion 4 and the coil spring 5 are provided instead of the torsion coil spring 15. As shown in FIG. In the following, description of points common to the plug 1 according to the first embodiment will be omitted.
  • the rotation suppressing part 4 has a function of suppressing the rotation of the casing 11 of the plug 1B without user's operation when the plug 1B is attached to the wiring duct 2 .
  • the rotation suppressing portion 4 includes a slide member 41 and a coil spring 5 .
  • a first taper 421 and a second taper 422 are provided at one end (upper end) of the protrusion 42 .
  • the first taper 421 is inclined downward in the first direction D1 (counterclockwise here, rightward in FIG. 6).
  • the second taper 422 is inclined downward in the second direction D2 (clockwise here, leftward in FIG. 6).
  • the coil spring 5 is accommodated inside the slide member 41 , and has one end (upper end) fixed to the housing 11 and the other end (lower end) fixed to the slide member 41 . As a result, the slide member 41 is urged upward (in the direction from the release position toward the restriction position) by the coil spring 5 .
  • the protrusion 42 and the coil spring 5 constitute the conversion structure 3B. That is, the conversion structure 3B includes an elastic body (coil spring 5) that compresses or expands according to the rotation of the housing 11. As shown in FIG. Also, the elastic body is the coil spring 5 .
  • the conversion structure 3B accumulates a second holding force P12 that attempts to keep the blade 12 out of contact with the rail conductor 22, and converts the accumulated second holding force P12 into a rotational force P22 of the housing 11. Structure.
  • the conversion structure 3B is configured such that when the housing 11 is rotated in the second direction D2 (here, clockwise) for moving the blade 12 from the second position to the first position, the housing The second holding force P12 is accumulated until the rotation angle .theta.2 of 11 reaches the second angle .theta.21. Then, when the rotation angle ⁇ 2 of the housing 11 exceeds the second angle ⁇ 21, the conversion structure 3B converts the accumulated first holding force P12 into a rotation force P22 of the housing 11 in the second direction D2. That is, in the third embodiment, the conversion structure 3B accumulates the second holding force P12 in the process of rotating the housing 11 in the second direction D2 in order to attach the plug 1 to the wiring duct 2. 2 The holding force P12 is used to increase the rotational force P22 of the housing 11 .
  • the conversion structure 3B similarly to the conversion structure 3 of Embodiment 1, the conversion structure 3B accumulates a first holding force P11 that attempts to maintain the state in which the blade 12 is in contact with the rail conductor 22, This structure converts the accumulated first holding force P11 into a rotational force P21 of the housing 11 . That is, when the conversion structure 3B rotates the housing 11 in the first direction D1 (here, counterclockwise) for moving the blade 12 from the first position to the second position, the rotation angle ⁇ 1 of the housing 11 is reaches the first angle ⁇ 11, the first holding force P11 is accumulated.
  • D1 here, counterclockwise
  • the conversion structure 3B converts the accumulated first holding force P11 into a rotational force P21 of the housing 11 in the first direction D1. That is, in the third embodiment, in the process of rotating the housing 11 in the first direction D1 in order to remove the plug 1 from the wiring duct 2, the conversion structure 3B accumulates the first holding force P11, 1 The holding force P11 is used to increase the rotational force P21 of the housing 11 .
  • FIGS. 7A and 7B are explanatory diagrams of operations when removing the plug 1B according to the third embodiment from the wiring duct 2, respectively.
  • the housing 11 rotates to move the first base.
  • the portion 13A, the second base portion 14A, and the pair of blades 12 also begin to rotate in the first direction D1.
  • the duct end portion 211 positioned below the duct body 21 comes into contact with the first taper 421 of the projecting portion 42, so that the first taper 421 is pushed by the duct end portion 211 and slides.
  • Member 41 moves downward.
  • the coil spring 5 is compressed and elastic energy is accumulated in the coil spring 5 .
  • the coil spring 5 accumulates a first holding force P11 that tries to keep the pair of blades 12 in contact with the pair of rail conductors 22 .
  • the housing 11 of the plug 1B is further rotated in the first direction D1, and when the rotation angle ⁇ 1 of the housing 11 reaches the first angle ⁇ 11, the duct end 211 reaches the boundary between the first taper 421 and the second taper 422. , and the duct end 211 contacts the second taper 422 as shown in FIG. 7B.
  • the slide member 41 is no longer pushed by the duct end portion 211, the elastic energy accumulated in the coil spring 5 is released, and the coil spring 5 attempts to return to its original state.
  • a force is generated by the slide member 41 to push the duct end portion 211, and this component force becomes the rotational force P21. That is, the first holding force P11 accumulated in the coil spring 5 is converted into a rotational force P21 for rotating the housing 11 in the first direction D1.
  • the pair of blades 12 move the opening 210 of the duct body 21.
  • the plug 1B can be removed from the wiring duct 2 by moving to a passable position.
  • FIGS. 8A and 8B are explanatory diagrams of the operation when attaching the plug 1B according to Embodiment 3 to the wiring duct 2, respectively.
  • the first base portion 13A, the second base portion 14A, and the pair of blades 12 are inserted into the opening 210 of the duct body 21, and the housing 11 of the plug 1B is turned in the second direction D2 (here, clockwise).
  • the housing 11 is rotated, the first base portion 13A, the second base portion 14A, and the pair of blades 12 also start to rotate in the second direction D2.
  • the duct end portion 211 of the duct body 21 comes into contact with the second taper 422 of the protruding portion 42, so that the second taper 422 is pushed by the duct end portion 211, and the slide member 41 moves downward.
  • the coil spring 5 is compressed and elastic energy is accumulated in the coil spring 5 .
  • the coil spring 5 accumulates the second holding force P12 that tries to keep the pair of blades 12 out of contact with the pair of rail conductors 22 .
  • the casing 11 of the plug 1B is further rotated in the second direction D2, and when the rotation angle ⁇ 2 of the casing 11 reaches the second angle ⁇ 21, the duct end 211 reaches the boundary between the first taper 421 and the second taper 422. , and the duct end 211 contacts the first taper 421 as shown in FIG. 8B.
  • the slide member 41 since the slide member 41 is no longer pushed by the duct end portion 211, the elastic energy accumulated in the coil spring 5 is released, and the coil spring 5 attempts to return to its original state.
  • the slide member 41 generates a force that pushes the duct end portion 211, and this component force becomes the rotational force P22. That is, the second holding force P12 accumulated in the coil spring 5 is converted into a rotational force P22 for rotating the housing 11 in the second direction D2.
  • the pair of blades 12 are electrically connected to the pair of rail conductors 22. are physically and mechanically connected, and the plug 1A is attached to the wiring duct 2.
  • first angle ⁇ 11 and the second angle ⁇ 21 described above can be appropriately set according to the position of the apex that is the boundary between the first taper 421 and the second taper 422 in the projecting portion 42 .
  • the plug 1B according to the third embodiment As described above, in the plug 1B according to the third embodiment, as with the plug 1A according to the second embodiment, in the process of attaching the plug 1B to the wiring duct 2, the second holding force P12 accumulated in the conversion structure 3B is converted into the rotational force P22, it is possible to rotate the housing 11 and the pair of blades 12 more vigorously than when the conversion structure 3B is not provided. Therefore, in the plug 1B according to the third embodiment, in the process of attaching the plug 1B to the wiring duct 2, chattering between the blade 12 and the rail conductor 22 can be suppressed, resulting in arc generation. There is an advantage that it is easy to suppress the occurrence.
  • the plug 1B according to the third embodiment similarly to the plugs 1 and 1A according to the first and second embodiments, even in the process of removing the plug 1B from the wiring duct 2, the first retention accumulated in the conversion structure 3B is removed.
  • the force P11 into the rotational force P21, it is possible to rotate the housing 11 and the pair of blades 12 more vigorously than when the conversion structure 3B is not provided. Therefore, in the plug 1B according to Embodiment 3, even in the process of removing the plug 1B from the wiring duct 2, the period during which the blade 12 comes close to the rail conductor 22 can be shortened as much as possible. There is an advantage that it is easy to suppress arc generation.
  • the elastic body included in the conversion structures 3 and 3A is the torsion coil spring 15, but it is not limited to this.
  • the elastic body included in the conversion structures 3, 3A may be silicone rubber instead of the torsion coil spring.
  • the silicone rubber is compressed while the pair of plug blades 12 are in contact with the pair of rail conductors 22, accumulating elastic energy (first holding force P11), It is sufficient if the blade 12 is configured to convert the accumulated elastic energy into the rotational force P21 when the blade 12 separates from the pair of rail conductors 22 .
  • the silicone rubber in a state in which the pair of blades 12 are in contact with the pair of contact bodies, the silicone rubber is compressed to accumulate elastic energy (second holding force P12), 12 is separated from the pair of contact bodies 161, the stored elastic energy is converted into the rotational force P22.
  • the elastic body included in the conversion structure 3B may be silicone rubber instead of the coil spring 5.
  • the silicone rubber is compressed to accumulate elastic energy (first holding force P11), It is sufficient if the duct end portion 211 is configured to convert the accumulated elastic energy into the rotational force P21 when the duct end portion 211 begins to contact the second taper 422 .
  • the silicone rubber is compressed while the duct end 211 is in contact with the second taper 422, and elastic energy (second holding force P12) is accumulated.
  • elastic energy second holding force P12
  • the accumulated elastic energy may be converted into the rotational force P22.
  • the first direction D1 that is, the direction in which the housing 11 is rotated when removing the plug 1 from the wiring duct 2 is counterclockwise, but it may be clockwise.
  • the second direction D2 that is, the direction in which the housing 11 is rotated when attaching the plug 1 to the wiring duct 2 is clockwise, but it may be counterclockwise.
  • the plugs 1, 1A, 1B comprise a housing 11, a blade 12 and conversion structures 3, 3A, 3B.
  • the blade 12 is held by the housing 11 between a first position where it is electrically and mechanically connected to the conductive rail conductor 22 of the wiring duct 2 and a second position where it is separated from the rail conductor 22. It moves according to the rotation of the housing 11 .
  • the conversion structures 3, 3A, and 3B accumulate a first holding force P11 that attempts to maintain the state in which the blade 12 is in contact with the rail conductor 22, and apply the accumulated first holding force P11 to the rotational force P21 of the housing 11. Convert.
  • the conversion structures 3, 3A, and 3B change the rotation angle ⁇ 1 of the housing 11 to the first angle ⁇ 11 when the housing 11 is rotated in the first direction D1 that moves the blade 12 from the first position to the second position.
  • a first holding force P11 is accumulated until the first holding force P11 is reached, and when the rotation angle ⁇ 1 exceeds the first angle ⁇ 11, the accumulated first holding force P11 is converted into a rotational force P21 of the housing 11 in the first direction D1.
  • the plugs 1A, 1B include a housing 11, a blade 12, and conversion structures 3A, 3B.
  • the blade 12 is held by the housing 11 between a first position where it is electrically and mechanically connected to the conductive rail conductor 22 of the wiring duct 2 and a second position where it is separated from the rail conductor 22. It moves according to the rotation of the housing 11 .
  • the conversion structures 3A and 3B accumulate a second holding force P12 that attempts to maintain the state in which the blade 12 is not in contact with the rail conductor 22, and apply the accumulated second holding force P12 to the rotational force P22 of the housing 11. Convert.
  • the conversion structures 3A and 3B are configured such that the rotation angle ⁇ 2 of the housing 11 reaches the second angle ⁇ 21. accumulates a second holding force P12, and when the rotation angle ⁇ 2 exceeds the second angle ⁇ 21, converts the accumulated second holding force P12 into a rotational force P22 of the housing 11 in the second direction D2.
  • the conversion structures 3A and 3B accumulate the first holding force P11 that attempts to maintain the state in which the blade 12 is in contact with the rail conductor 22, and apply the accumulated first holding force P11. It further has a structure for converting the rotational force P ⁇ b>21 of the housing 11 .
  • the conversion structures 3A and 3B are arranged in the first holding position until the rotation angle ⁇ 1 reaches the first angle ⁇ 11.
  • the force P11 is accumulated and the rotation angle ⁇ 1 exceeds the first angle ⁇ 11, the accumulated first holding force P11 is converted into the rotation force P21 of the housing 11 in the first direction D1.
  • the conversion structures 3, 3A, 3B include elastic bodies that compress or expand according to the rotation of the housing 11.
  • Such plugs 1, 1A, and 1B have an advantage that it is easy to realize a structure for accumulating a holding force (first holding force P11 or second holding force P12) with a simple configuration.
  • the elastic body is a coil spring (torsion coil spring 15 or coil spring 5).
  • Such plugs 1, 1A, and 1B have an advantage that it is easy to realize a structure for accumulating a holding force (first holding force P11 or second holding force P12) with a simple configuration.
  • the duct systems 100, 100A, and 100B include the plug 1 described above and a wiring duct 2 that supplies DC power to the plug 1 while the plug 1 is connected.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
PCT/JP2022/021589 2021-05-31 2022-05-26 プラグ、及びダクトシステム Ceased WO2022255222A1 (ja)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4610561A1 (de) * 2024-03-01 2025-09-03 Zumtobel Lighting GmbH Translatorisch bewegbarer adapter für dc-stromschienen
WO2025180775A1 (de) * 2024-03-01 2025-09-04 Zumtobel Lighting Gmbh Translatorisch bewegbarer adapter für dc-stromschienen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021118Y1 (enrdf_load_stackoverflow) * 1969-04-04 1975-06-25
JPS60170990U (ja) * 1984-04-20 1985-11-13 松下電工株式会社 配線ダクト用プラグ
WO2007035170A1 (en) * 2005-09-26 2007-03-29 Abb Ab Connector
JP2014032870A (ja) * 2012-08-03 2014-02-20 Panasonic Corp プラグ、これを用いた照明器具、および照明システム
US20190056073A1 (en) * 2017-08-18 2019-02-21 Ledvance Llc Apparatus system and method for retrofitting a fluorescent light fixture to an led-based lighting system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021118Y1 (enrdf_load_stackoverflow) * 1969-04-04 1975-06-25
JPS60170990U (ja) * 1984-04-20 1985-11-13 松下電工株式会社 配線ダクト用プラグ
WO2007035170A1 (en) * 2005-09-26 2007-03-29 Abb Ab Connector
JP2014032870A (ja) * 2012-08-03 2014-02-20 Panasonic Corp プラグ、これを用いた照明器具、および照明システム
US20190056073A1 (en) * 2017-08-18 2019-02-21 Ledvance Llc Apparatus system and method for retrofitting a fluorescent light fixture to an led-based lighting system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4610561A1 (de) * 2024-03-01 2025-09-03 Zumtobel Lighting GmbH Translatorisch bewegbarer adapter für dc-stromschienen
WO2025180775A1 (de) * 2024-03-01 2025-09-04 Zumtobel Lighting Gmbh Translatorisch bewegbarer adapter für dc-stromschienen

Also Published As

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JP7523034B2 (ja) 2024-07-26
JPWO2022255222A1 (enrdf_load_stackoverflow) 2022-12-08

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