WO2019188463A1 - Method of manufacturing electrical outlet and electrical outlet - Google Patents

Method of manufacturing electrical outlet and electrical outlet Download PDF

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Publication number
WO2019188463A1
WO2019188463A1 PCT/JP2019/011045 JP2019011045W WO2019188463A1 WO 2019188463 A1 WO2019188463 A1 WO 2019188463A1 JP 2019011045 W JP2019011045 W JP 2019011045W WO 2019188463 A1 WO2019188463 A1 WO 2019188463A1
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WO
WIPO (PCT)
Prior art keywords
outlet
blade receiving
phase
substrate
opening
Prior art date
Application number
PCT/JP2019/011045
Other languages
French (fr)
Japanese (ja)
Inventor
公男 草間
Original Assignee
パナソニックIpマネジメント株式会社
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 パナソニックIpマネジメント株式会社 filed Critical パナソニックIpマネジメント株式会社
Priority to CN201980021977.2A priority Critical patent/CN111919350A/en
Publication of WO2019188463A1 publication Critical patent/WO2019188463A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/713Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/02Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits

Definitions

  • This disclosure relates to an outlet manufacturing method and an outlet.
  • Patent Document 1 describes an outlet provided with at least one pair of plug connection portions and a shut-off mechanism portion for cutting off power supply to the plug connection portion.
  • This outlet has a detection unit that detects tracking generated between the plug blades of the plug, and when an abnormality is detected by this detection unit, the blocking mechanism is activated to connect the plug connection unit. The power supply to is cut off.
  • the power supply to the plug is cut off, and the power supply to the plug connection is detected when an abnormality such as overheating of the outlet or an earthquake is detected.
  • an abnormality such as overheating of the outlet or an earthquake is detected.
  • the outlet is configured using different dedicated parts for each abnormality such as tracking, overheating, and vibration. This is because different housings, covers, electronic components, terminal portions, and the like are provided, which increases the manufacturing cost of the outlet and decreases the productivity.
  • An object of the present disclosure is to provide an outlet manufacturing method and an outlet that can reduce manufacturing costs and improve productivity by sharing a plurality of parts for a plurality of abnormalities.
  • the outlet manufacturing method is an outlet manufacturing method in which at least one component is shared for a plurality of abnormalities.
  • a substrate on which a circuit for detecting any abnormality is mounted is selected, and power supply to a load can be turned on / off.
  • a blade receiving member into which the plug blade of the plug is inserted and removed and a terminal portion for connecting an external power supply line are electrically connected to the open / close unit, respectively.
  • substrate, an opening / closing unit, a terminal part, and a blade receiving member are accommodated in a common case, and a cover member is provided to cover the opening of the case.
  • the outlet according to another aspect of the present disclosure is an outlet in which at least one part is shared for a plurality of abnormalities.
  • This outlet can turn on / off the power supply to the board on which a circuit for detecting any abnormality is mounted, and is connected to the board via a signal line, and is shared for a plurality of abnormalities.
  • a case that houses the opening / closing unit, the terminal portion, and the blade receiving member, and a cover member that covers the opening of the case.
  • the outlet manufacturing method and the outlet according to the present disclosure since the opening / closing unit, the case, the cover member, and the like can be shared, it is possible to cope with various abnormalities only by changing the circuit in order to detect the abnormalities.
  • the outlet can be easily manufactured at low cost.
  • FIG. 5 is an exploded perspective view showing the outlet shown in FIG. 4 with a case removed.
  • FIG. 6 is a perspective view showing a state where the body member and the opening / closing unit housing are removed from the outlet shown in FIG. 5. It is a side view of the opening-closing unit in an open circuit state. It is a side view of the opening / closing unit in a closed state.
  • FIG. 1 It is a perspective view which shows the terminal part of an outlet socket in a partially exploded state. It is a perspective view which shows the temperature sensor attachment structure of an outlet socket. It is a partially notched top view which shows the temperature sensor attachment structure of FIG. It is a disassembled perspective view which shows a blade receiving spring block and a body member. It is a perspective view which shows the state in which one blade receiving spring block was assembled
  • FIG. 1 is an overall perspective view of the outlet 10 installed together with the decorative cover.
  • FIG. 2 is a front view of the outlet 10. 1 and 2 (the same applies to other drawings), the arrow X indicates the width direction (or left-right direction), the arrow Y indicates the front-rear direction (or depth direction), and the arrow Z indicates the up-down direction (or height direction). Is shown. These three directions are orthogonal to each other. These directions are merely examples, and do not substantially define the configuration of the outlet according to the present disclosure.
  • the outlet 10 is formed in a rectangular parallelepiped having a vertically long shape when viewed from the front.
  • the size of the outlet 10 is formed to a size specified in the JIS standard.
  • the outlet 10 is installed in a state of being embedded in a wall or the like, for example.
  • a decorative cover 2 having a rectangular frame shape is arranged around the front surface of the outlet 10.
  • the decorative cover 2 is made of, for example, a resin molded product.
  • the decorative cover 2 is provided around the front surface of the outlet 10 so that a hole formed in the wall of the outlet 10 and a fitting (not shown) for attaching the outlet 10 to the hole cannot be seen from the outside. It is a member for improving.
  • FIG. 3 is an exploded perspective view of the outlet 10 with the outlet body cover and the outlet outer cover removed.
  • the outlet 10 includes an outlet body cover (cover member) 12 and an outlet outer cover (cover member) 14. Both the outlet main body cover 12 and the outlet outer cover 14 are formed of a resin molded product.
  • the outlet body cover 12 is disposed so as to cover the front surface of the outlet 10.
  • the outlet body cover 12 includes an upper cover 12a and a lower cover 12b.
  • the upper cover 12a is provided so as to cover the front of a blade receiving spring block housed in a case described later.
  • the upper cover 12a has plug blade insertion portions 18a and 18b arranged in two upper and lower stages.
  • plug blade insertion ports 20a and 20b into which two plate-shaped blades of insertion plugs (not shown) are inserted are formed side by side in the left-right direction.
  • the lower blade insertion portion 18b is formed with plug blade insertion ports 20a and 20b into which two plug blades of the insertion plug are inserted side by side in the left-right direction, and the plug blade insertion ports 20a and 20b.
  • a ground terminal insertion port 20c into which a grounding rod-shaped terminal is inserted is formed at a lower position therebetween.
  • the opening edge of one plug blade insertion opening 20a is formed in a substantially D-shaped frame shape in front view, and the opening edge of the other plug blade insertion opening 20b is formed in a rectangular frame shape.
  • An example is shown. However, it is not limited to this, The opening edge part of each plug blade insertion opening 20a, 20b may be formed in the same shape.
  • the lower cover 12b constituting a part of the outlet body cover 12 is provided so as to cover the terminal portion 100 housed in the case.
  • characters “earth” and “open”, a mark indicating grounding, and the like are attached.
  • the lower cover 12b is detachably attached to the upper cover 12a. Specifically, the attachment is made by inserting the two attachment pins 13 formed integrally with the lower cover 12b into the attachment holes 15 formed in the upper cover 12a.
  • the lower cover 12b By removing the lower cover 12b from the outlet 10, the grounding terminal portion of the terminal portion 100 is exposed. Thereby, the outlet 10 is in a state in which a grounding external electric wire can be connected.
  • the outlet outer cover 14 is formed in a U-shape when viewed from the front, and is disposed adjacent to the upper, left, and lower three sides of the outlet body cover 12.
  • the outlet outer cover 14 is provided so as to cover the front surface of an opening / closing unit 70 described later.
  • the outlet outer cover 14 is formed with an opening 14a having a vertically long rectangular shape and a circular through hole 14b positioned above the opening 14a.
  • the operation lever 71 of the opening / closing unit 70 is exposed in the opening 14a.
  • a push switch mounted on a substrate to be described later is disposed inside (that is, behind) the through hole 14b. Accordingly, for example, a push switch can be pressed by inserting a thin rod-shaped tool, the tip of a pen, or the like into the through hole 14b.
  • “power” and “abnormal” are displayed above the through hole 14b.
  • the area above the display “power” is a power lamp portion 14c that is lit green, for example, when power is supplied to the outlet 10, and the area above the display “abnormal” is lit or blinks red, for example, when the outlet 10 is abnormally heated.
  • This is an abnormal light portion 14d.
  • the power lamp portion 14c and the abnormal lamp portion 14d are light-transmitting portions that transmit light through the wall surface of the outlet outer cover 14, but may be formed as light-transmitting windows each including a through hole.
  • FIG. 4 is a front view of the outlet 10 with the outlet body cover 12 and the outlet outer cover 14 removed.
  • FIG. 5 is an exploded perspective view showing the outlet 10 shown in FIG. 4 with the case 16 removed.
  • the outlet 10 includes a case 16.
  • the case 16 is made of, for example, a resin molded product. As shown in FIGS. 3 and 4, the case 16 has a rectangular parallelepiped outer shape, and has a shape having a bottom surface at the rear and opening forward.
  • the engaging portion 22 is formed to protrude from the outer surface along the long side direction of the case 16. Two engaging portions 22 are provided on each side surface at intervals. When the hook portion (not shown) of the outlet body cover 12 is engaged with these engaging portions 22, the outlet body cover 12 is attached to the case 16.
  • two column portions 26 are erected on the bottom surface 24 of the case 16 with an interval in the vertical direction Z.
  • a space 28 for accommodating the opening / closing unit 70 is defined between the column portions 26 and the case inner surface 25a on one side in the width direction X.
  • a space 30 for accommodating the blade receiving spring unit 40, the substrate 120, and the like is defined between the column portion 26 and the case inner surface 25b on the other side.
  • an L-shaped partition wall portion 27 is formed on the lower portion of the bottom surface 24 of the case 16 so as to project from the front as viewed from the front.
  • the partition wall 27 defines a space 32 in the case 16 in which the terminal portion 100 is accommodated.
  • a plurality of support protrusions 29 are formed on the bottom surface 24 of the case 16 so as to protrude.
  • the substrate 120 accommodated in the case 16 is supported by the front end surfaces of the support protrusions 29.
  • FIG. 6 is a perspective view showing a state in which the body member and the opening / closing unit housing are removed from the outlet shown in FIG.
  • the outlet 10 includes a blade receiving spring unit 40, an opening / closing unit 70, and a substrate 120. Further, the outlet 10 may include a grounding terminal portion 102.
  • the blade receiving spring unit 40 includes two blade receiving spring blocks 42a and 42b, a body member 44 that supports these blade receiving spring blocks 42a and 42b, and the blade receiving spring blocks 42a and 42b pressed against the body member 44. And a fixing member 46 that is fixed in a state.
  • the body member 44 and the fixing member 46 are preferably configured by an insulating resin molded product.
  • the blade receiving spring blocks 42 a and 42 b may be held and fixed by being sandwiched by a pair of claw portions (not shown) provided on the body member 44.
  • One blade receiving spring block 42a is a terminal member that is electrically connected to an external power line of a voltage phase (hereinafter referred to as L phase) connected to the terminal portion 100 of the outlet 10.
  • the other blade receiving spring block 42 b is a terminal member that is electrically connected to an external power line of a neutral phase (hereinafter referred to as “N phase”) connected to the terminal portion 100 of the outlet 10.
  • the blade receiving spring blocks 42a and 42b are manufactured, for example, by punching and bending a metal plate such as a copper plate.
  • Each blade receiving spring block 42a, 42b can be of the same shape. Therefore, in the following, the configuration of one blade receiving spring block 42a will be mainly described, and the description of the other blade receiving spring block 42b will be omitted as appropriate with the aid of assistance.
  • the blade receiving spring block 42a includes two pairs of blade receiving springs 48, a connecting portion 50 that mechanically connects and electrically connects each blade receiving spring 48, and an edge of the connecting portion 50 along the front-rear direction.
  • the connecting terminal part 52 formed by bending is integrally formed.
  • the pair of blade receiving springs 48 are arranged inside the plug blade insertion opening 20a formed on the upper right side of the upper cover 12a.
  • the other pair of blade receiving springs 48 are disposed inside the plug blade insertion opening 20a formed on the lower right side of the upper cover 12a (see FIG. 2).
  • the pair of blade receiving springs 48 are arranged inside the plug blade insertion opening 20b formed on the left side of the upper stage of the upper cover 12a.
  • the other pair of blade receiving springs 48 is disposed inside the plug blade insertion opening 20b formed on the lower left side of the upper cover 12a (see FIG. 2).
  • an L-phase conducting wire 54 a is connected to the connection terminal portion 52 of the L-phase blade receiving spring block 42 a by soldering or the like.
  • an N-phase conductor 54b is connected to the connection terminal portion 52 of the blade receiving spring block 42b for N-phase by soldering or the like.
  • the L-phase conducting wire 54a and the N-phase conducting wire 54b are preferably configured by, for example, a braided copper wire with an insulation coating.
  • the other ends of the L-phase conducting wire 54a and the N-phase conducting wire 54b are connected to the opening / closing unit 70, respectively.
  • temperature sensors 54 are respectively attached to the connection terminal portions 52 of the blade receiving spring blocks 42a and 42b by clips 56 (see FIG. 11). The mounting structure of the temperature sensor 54 will be described in detail later.
  • the temperature sensor 54 measures the temperatures of the blade receiving spring blocks 42a and 42b, and transmits the measurement results to the substrate 120 via the signal lines 60a and 60b.
  • the substrate 120 is a circuit board on which a pattern wiring (not shown) is formed.
  • a control device including a microcomputer is mounted on the substrate 120. Based on the measurement result transmitted from the temperature sensor 54, the control device determines whether or not the temperature of the blade receiving spring blocks 42 a and 42 b exceeds a predetermined threshold value. Then, when the temperature of at least one of the blade receiving spring blocks 42a and 42b exceeds a predetermined threshold temperature, the control device determines that the outlet 10 is in an overheated state, and operates the opening / closing unit described later via the signal line 60c. Send a signal.
  • the predetermined threshold temperature can be set to 100 ° C. to 150 ° C., for example.
  • the predetermined threshold temperature can be set according to the heat resistant temperature of the resin material constituting the outlet body cover 12 and the body member 44 of the outlet 10. Further, the predetermined threshold temperature may be changed according to the environmental temperature (or ambient temperature) where the outlet 10 is used.
  • a buzzer device may be mounted on the substrate 120. When it is determined that the temperature of at least one of the blade receiving spring blocks 42a and 42b exceeds the predetermined threshold temperature and is in an overheated state, the control device turns on or blinks the abnormal lamp light emitting unit 136 and sounds the buzzer device. A notification operation may be performed.
  • melamine resin, urea resin, polybutylene terephthalate (PBT), or the like is suitably used as a resin material constituting the cover member such as the outlet body cover 12 and the body member 44.
  • two signal lines 62 a and 62 b extend from the back surface of the substrate 120. Even if a signal indicating a measurement result by the temperature sensor 54 or an operating state (on / off state) of the opening / closing unit 70 is transmitted to the power control device or the distribution board outside the outlet 10 via these signal lines 62a and 62b. Good.
  • the outlet may have a seismic function that shuts off the power supply when an earthquake having a predetermined seismic intensity or more is detected as abnormal.
  • the seismic intensity may be constituted by a seismic sensor capable of detecting acceleration, such as a gyro sensor, which is installed on the substrate or other part inside the outlet.
  • the seismic sensor is connected to a control device on the board via a pattern wiring or a signal line on the board.
  • the control device outputs an operation signal to the opening / closing unit 70 when it is determined that the earthquake is greater than a predetermined seismic intensity based on the input from the seismic sensor.
  • the outlet according to the present disclosure may be provided with such a seismic detection function and the above-described overheat detection function, or may be provided with a seismic function alone.
  • the outlet according to the present disclosure may include a leakage detection function for cutting off a current when an leakage is detected as an abnormality in combination with the above-described overheating or seismic sense or alone. What is necessary is just to set it as the structure which provides an electric current sensor in an outlet socket in order to detect an electric leakage, and operates an opening-and-closing unit when the electric current which flows through a blade receiving spring block exceeds a predetermined threshold current value.
  • outlet components other than the board can be shared, so that the productivity of the outlet can be improved and the manufacturing cost can be suppressed.
  • the outlet 10 includes a switch panel 130.
  • a push switch 132 is mounted on the switch panel 130.
  • the push switch 132 is disposed inside the through hole 14b of the outlet outer cover 14 (see FIGS. 1 to 3). Accordingly, the push switch 132 can be pressed from the outside of the outlet 10 through the through hole 14b.
  • the switch panel 130 is connected to the substrate 120 via a signal line.
  • an operation signal is transmitted from the substrate 120 to the opening / closing unit 70 described later.
  • the open / close unit 70 is switched from the closed state to the open state, and the push switch 132 enters a blinking state indicating an abnormality.
  • the switch panel 130 is provided with a power lamp light emitting section 134 and an abnormal lamp light emitting section 136.
  • the power lamp light emitting part 134 is disposed to face the inside of the power lamp part 14c of the outlet outer cover 14, and the abnormal lamp light emitting part 136 is disposed to face the inside of the abnormal lamp part 14d of the outlet outer cover 14. (See FIG. 2).
  • the power lamp light emitting unit 134 is preferably configured by, for example, a light emitting diode (LED) that emits green light.
  • the abnormal lamp light emitting unit 136 is preferably configured by, for example, a light emitting diode (LED) that emits red light.
  • the power lamp light-emitting unit 134 is turned on when the outlet 10 is in a power supply state.
  • the abnormal lamp light emitting unit 136 is turned on or blinks when abnormal heat generation is detected in the outlet 10, as will be described later. Since the lighting states of these light emitting units 134 and 136 are visible from the outside of the outlet 10, the light emitting units 134 and 136 constitute a part of the notification unit.
  • FIG. 7 is a side view of the opening / closing unit 70 in a closed state.
  • FIG. 8 is a side view of the opening / closing unit 70 in the open circuit state. 7 and 8, the opening / closing unit 70 is shown in a state in which the wall surface of the housing that covers the outside in the width direction is removed.
  • the opening / closing unit 70 has a housing 72.
  • a front surface of the housing 72 is rotatably provided with the operation lever 71 exposed.
  • the opening / closing unit 70 includes a coil 73, a movable iron piece 74, a trigger lever 75, a support lever 76, an operation plate 77, a pressing spring 78, an operation member 79, pressure contact springs 80 and 85, an L-phase movable terminal plate 81, and the like.
  • L-phase movable terminal portion 82, N-phase movable terminal plate 83 and N-phase movable terminal portion 84, L-phase fixed terminal plate 86 and L-phase fixed terminal portion 87, and N-phase fixed terminal plate 88 and N-phase fixed terminal portion 89 Is provided.
  • the coil 73 is supplied with power in response to an operation signal from the substrate 120. Thereby, the coil 73 generates magnetic force.
  • the movable iron piece 74 is provided in the housing 72 so as to be movable in the front-rear direction Y at a position close to the rear of the coil 73 (downward in FIG. 7).
  • the movable iron piece 74 is fixed to one end 83 a of the N-phase movable terminal plate 83.
  • the other end of the N-phase conducting wire 54b is electrically and mechanically connected to one end 83a of the N-phase movable terminal plate 83 by soldering or the like.
  • the trigger lever 75 has a substantially L shape, and is provided on the side wall surface of the housing 72 in the width direction so as to be rotatable about the shaft portion 75a. One end of the trigger lever 75 is disposed at a position where it can engage with the movable iron piece 74.
  • the support lever 76 has a shape extending in the front-rear direction Y, and is provided on the side wall surface of the housing 72 in the width direction so as to be rotatable about the shaft portion 76a. One end of the support lever 76 is disposed at a position where it can engage with the other end of the trigger lever 75.
  • the operation plate 77 is supported with one end abutting on the other end of the support lever 76.
  • the operating plate 77 is connected to the other end of a substantially U-shaped pressing spring 78 whose one end is connected to the operating lever 71, and one end of the operating plate 77 is above the other end of the support lever 76 by the pressing force of the pressing spring 78. Is in pressure contact.
  • a torsion spring 90 is disposed around the rotation center of the operation lever 71. As will be described later, when the opening / closing unit 70 is operated to be in a power cut-off state, the operation lever 71 is rotated by the biasing force of the torsion spring 90 and protrudes to the front surface of the outlet 10 as shown in FIG. Become.
  • the actuating member 79 is disposed adjacent to the support lever 76 and the actuating plate 77, and is provided on the side wall in the width direction of the housing 72 so as to be rotatable about the shaft portion 79a.
  • a rear end portion (lower end portion in FIG. 7) of the actuating member 79 is biased by a press contact spring 80.
  • the actuating member 79 is urged by the pressure contact spring 80 in a direction to rotate counterclockwise in FIG.
  • the actuating member 79 is provided so that a substantially central portion in the front-rear direction Y can be engaged with the L-phase movable terminal plate 81.
  • One end of the L-phase movable terminal plate 81 is electrically and mechanically connected to the other end of the L-phase conducting wire 54a by soldering or the like.
  • an L-phase movable terminal portion 82 is fixed to the other end of the L-phase movable terminal plate 81 by caulking or the like, for example.
  • the L-phase movable terminal plate 81 is held by the operating member 79 at a position rotated in the clockwise direction against the urging force of the press contact spring 85.
  • the actuating member 79 is rotated counterclockwise by the urging force of the press contact spring 80 as will be described later, the L-phase movable terminal plate 81 is released from being pressed by the actuating member 79, so that the press contact spring 85. It can be pushed up by the urging force.
  • the actuating member 79 presses the middle part of the N-phase movable terminal plate 83.
  • An N-phase movable terminal portion 84 is fixed to the other end of the N-phase movable terminal plate 83 by caulking, for example.
  • the actuating member 79 rotates counterclockwise, the N-phase movable terminal plate 83 is pushed up by the rear end portion (lower end portion in FIG. 7) of the actuating member 79 and the N-phase movable terminal portion 84. Is moved forward (upward in FIG. 7).
  • the L-phase movable terminal portion 82 is in contact with and electrically connected to the L-phase fixed terminal portion 87 disposed in the housing 72.
  • the L-phase fixed terminal portion 87 is fixed to one end portion of the L-phase fixed terminal plate 86 by caulking, for example.
  • the L-phase fixed terminal plate 86 extends to the outside of the housing 72.
  • the N-phase movable terminal portion 84 is in contact with and electrically connected to the N-phase fixed terminal portion 89 disposed in the housing 72.
  • the N-phase fixed terminal portion 89 is fixed to one end portion of the N-phase fixed terminal plate 88 by caulking or the like, for example.
  • N-phase fixed terminal plate 88 extends to the outside of housing 72.
  • the open / close unit 70 configured as described above, when electric power is supplied to the coil 73 by the operation signal from the substrate 120, the movable iron piece 74 is attracted by the magnetic force of the coil 73 as shown in FIG. Move to.
  • the trigger lever 75 rotates in the clockwise direction when one end is pushed by the movable iron piece 74, and the support lever 76 is pushed in the counterclockwise direction by being pushed by the other end of the trigger lever 75. Rotate.
  • the L-phase movable terminal portion 82 and the N-phase movable terminal portion 84 are separated from the L-phase fixed terminal portion 87 and the N-phase fixed terminal portion 89, respectively, so that the switching unit 70 is switched from the closed state to the open state.
  • the power supply to the blade receiving spring blocks 42a and 42b is cut off, and the power supplied from the outlet 10 to the load via the plug is turned off.
  • the components in the opening / closing unit 70 are also shown in FIG. 7 from the state shown in FIG. It returns to a state and can return from an open circuit state to a closed circuit state.
  • opening / closing unit 70 is not limited to the one having the above-described configuration, and any known circuit breaker mechanism may be used.
  • FIG. 9 is a perspective view showing the terminal part 100 of the outlet 10 in a partially disassembled state.
  • the outlet 10 includes a terminal unit 100.
  • the terminal part 100 is a connection part to which an external power supply line is electrically and mechanically connected.
  • the terminal unit 100 includes an L-phase fixed terminal plate 86, an N-phase fixed terminal plate 88, lock springs 92 and 94, and an unlocking member 96.
  • the L-phase fixed terminal plate 86 has an L-phase connection portion 86 a that is bent in a U-shape at the other end that extends from the housing 72 of the opening / closing unit 70.
  • the N-phase fixed terminal plate 88 has an N-phase connection portion 88 a that is bent in a U shape at the other end extending from the housing 72 of the opening / closing unit 70.
  • Lock springs 92 and 94 are arranged inside the connection portions 86a and 88a, respectively. Thereby, each connection part 86a, 88a is what is called a quick connection terminal which can be connected quickly by inserting the connection terminal of the L-phase and N-phase external power supply line from the rear.
  • the unlocking member 96 can push the lock springs 92 and 94 away from the respective phase connection portions 86a and 88a by pushing in. As a result, the connection terminals of the L-phase and N-phase external power supply lines are connected to the connection portions. It can be removed from 86a, 88a.
  • the terminal unit 100 includes a grounding terminal unit 102.
  • the ground terminal portion 102 includes a ground terminal plate 104 formed by punching and bending a metal plate such as a copper plate, for example.
  • a screw 105 is screwed to one end of the ground terminal plate 104, and the ground external wire can be connected to the ground terminal portion 102 using the screw 105.
  • a ground blade receiving spring 106 is formed at the other end of the ground terminal plate 104.
  • the grounding blade receiving spring 106 is disposed inside a grounding terminal insertion port 20 c formed in the lower stage of the upper cover 12 a of the outlet body cover 12. As a result, the ground terminal of the plug inserted from the ground terminal insertion port 20 c is connected to the ground terminal plate 104.
  • FIG. 10 is a perspective view showing the temperature sensor mounting structure of the outlet. 11 is a partially cutaway plan view showing the temperature sensor mounting structure of FIG.
  • FIG. 12 is an exploded perspective view showing the blade receiving spring blocks 42 a and 42 b and the body member 44. 10 to 12, the illustration of the fixing member 46 constituting the blade receiving spring unit 40 is omitted.
  • the blade receiving spring unit 40 supports an L-phase blade receiving spring block 42a, an N-phase blade receiving spring block 42b, and these blade receiving spring blocks 42a and 42b. And a body member 44.
  • Each of the blade receiving spring blocks 42 a and 42 b has a symmetrical shape with respect to the BB line that is the center line in the width direction of the blade receiving spring unit 40.
  • the blade receiving spring block 42a will be described, but the same applies to the blade receiving spring block 42b.
  • the blade receiving spring block 42 a includes two pairs of blade receiving springs 48, a connecting portion 50 that mechanically connects and electrically connects each blade receiving spring 48, and an edge of the connecting portion 50 along the front-rear direction Y. And a connecting terminal portion 52 formed by bending. A temperature sensor 54 is attached to the connection terminal portion 52.
  • the temperature sensor 54 is sandwiched and fixed by a clip 56 which is an example of a pressing member.
  • the temperature sensor 54 is disposed in close contact with the blade receiving spring block 42a that is a temperature measurement target.
  • the clip 56 integrally includes a pair of holding pieces 56a and a connecting portion 56b that connects the holding pieces 56a.
  • the temperature sensor 54 is sandwiched by the clip 56 so that the temperature sensor 54 is attached in close contact with the connection terminal portion 52 that is a temperature measurement target. Thereby, the temperature measurement accuracy by the temperature sensor 54 is improved. Further, the blade receiving spring blocks 42 a and 42 b can be easily assembled to the body member 44 with the temperature sensor 54 attached to the connection terminal portion 52 with the clip 56.
  • the temperature sensor 54 is preferably composed of any one of a thermistor, a resistance temperature detector, and a thermocouple.
  • the clip 56 is configured to temperature any one of the thermistor, the resistance temperature detector, and the thermocouple. It is attached in close contact with the connection terminal portion 52 to be measured.
  • a heat conducting member may be interposed between the temperature sensor 54 and the connection terminal portion 52.
  • the heat conducting member is preferably composed of a soft and thin member such as a sheet or grease having heat conductivity. By providing such a heat conducting member, the temperature sensor 54 is likely to be in closer contact with the temperature measurement object, which can contribute to improvement of temperature measurement accuracy.
  • the temperature sensor may be pressed against the temperature measurement object using an urging member such as a coil spring or a leaf spring.
  • FIG. 13 is a perspective view showing a state in which one blade receiving spring block 42 a is assembled to the body member 44.
  • FIG. 14 is an exploded perspective view showing one blade receiving spring block 42 a and the body member 44. 13 and 14, the temperature sensor 54 and the clip 56 are not shown.
  • the blade receiving spring block (blade receiving member) 42 a includes two pairs of blade receiving springs 48 and a connecting portion that mechanically connects and electrically connects each blade receiving spring 48. 50 and a connection terminal portion 52 that is bent along the front-rear direction Y from the edge portion of the coupling portion 50.
  • the blade receiving spring 48 includes a pair of blade receiving pieces facing each other. The tip of each blade receiving piece is bent outward so as to open in a substantially V shape. As a result, the plug blade of the plug is reliably received between the pair of blade receiving pieces.
  • the blade receiving spring block 42a integrally has a U-shaped bent spring portion 49 provided on both sides of the blade receiving spring 48 including a pair of blade receiving pieces.
  • the bending spring portion 49 has a bending portion 49a on the same side as the distal end portion of the pair of blade receiving pieces, and has a pair of extending portions 49b extending from the bending portion 49a toward the base end portions of the pair of blade receiving pieces. is doing.
  • the blade receiving spring block 42 a is housed and disposed in the body member 44.
  • the body member 44 is formed so as to partition the four recesses 45.
  • Two ribs 47a are formed on the wall surface located on the center side in the width direction X among the inner wall surfaces defining the recess 45 so as to extend in the front-rear direction Y with a space therebetween. The strength of the body member 44 can be increased by these ribs 47a.
  • ribs 47b are formed to face each other on the inner wall surface facing the vertical direction Z. As shown in FIG. 13, these ribs 47 b are formed of a pair of extending portions of a bending spring portion 49 positioned on both sides in the vertical direction Z of the blade receiving spring 48 when the blade receiving spring block 42 a is assembled to the body member 44. 49b is sandwiched between them. Further, the bent portion 49a of the bent spring portion 49 is in contact with the end portion of the rib 47b.
  • the blade receiving spring block 42a is accurately positioned with respect to the body member 44 by the bending portion 49a of the bending spring portion 49 being assembled in contact with the end of the rib 47b formed on the body member 44. Can be assembled. Further, since the pair of extending portions 49 b of the bending spring portion 49 sandwich the rib 47 b, the blade receiving spring block 42 a can be firmly assembled to the body member 44.
  • the pair of blade receiving pieces are plastically deformed so as to open abnormally, and the contact pressure between the plug blade and the blade receiving piece is reduced. May become weaker. Then, spark discharge or the like due to poor contact may occur, which may cause abnormal overheating.
  • the rib 47b is sandwiched between the bending spring portion 49 formed integrally with the blade receiving spring 48, so that even if the above opening force acts, It is possible to prevent or suppress the blade receiving spring 48 made of the blade receiving piece from abnormally opening and deforming.
  • each forms the rib 47b in the two inner wall surfaces facing the up-down direction Z of the recessed part 45, and it clamps with the bending spring part 49
  • a rib formed on the inner wall surface in the front-rear direction Y of the concave portion 45 may be sandwiched between a pair of extending portions of the bending spring portion 49, or a rib formed on the bottom surface may be formed. It is good also as a structure clamped by the base end part (namely, edge part on the opposite side to a front-end
  • FIG. 15 is an enlarged perspective view showing a part of the terminal portion.
  • a printed circuit board 110 for temperature measurement may be provided.
  • Temperature sensors 112 a and 112 b are mounted on the printed circuit board 110.
  • the temperature sensors 112a and 112b are preferably configured by any of a thermistor, a resistance temperature detector, and a thermocouple, for example.
  • the temperature sensors 112a and 112b may be provided on the printed circuit board 110 while being covered with a heat conductive member. In this case, the temperature sensors 112a and 112b are joined to the L-phase fixed terminal plate 86 and the N-phase fixed terminal plate 88, which are the objects of temperature measurement, through a heat conducting member.
  • the thermally conductive member is preferably a flexible resin having thermal conductivity.
  • temperature sensor 112a, 112b can contact temperature measurement object more closely, and can improve temperature measurement accuracy.
  • the heat conducting member is preferably an insulating resin.
  • a low-hardness acrylic resin can be used for the heat conducting member, for example, Hypersoft heat dissipation sheet (registered trademark) 6500H, 6510H, 5578H manufactured by 3M Company can be used.
  • the temperature sensor 112a mounted on the printed circuit board 110 is provided bonded to the L-phase fixed terminal board 86, and the temperature sensor 112b mounted on the printed circuit board 110 is provided bonded to the N-phase fixed terminal board 88.
  • the temperature of the L-phase fixed terminal plate 86 measured by the temperature sensor 112a is transmitted to the substrate 120 via the signal line 114a.
  • the temperature of the N-phase fixed terminal board 88 measured by the temperature sensor 112b is transmitted to the substrate 120 via the signal line 114b.
  • the control device provided on the substrate 120 determines whether or not the fixed terminal temperature measured by the temperature sensors 112a and 112b exceeds a predetermined threshold temperature. Then, when the temperature of at least one of the fixed terminal plates 86 and 88 exceeds a predetermined threshold temperature, the control device determines that the outlet 10 is in an overheated state, and sends an operation signal to the open / close unit 70 via the signal line 60c. Send. As a result, the opening / closing unit 70 is operated to be in an open circuit state, and power supply to the blade receiving spring blocks 42a and 42b is interrupted.
  • the predetermined threshold temperature the same value as that compared with the temperature measured by the temperature sensor 54 of the blade receiving spring blocks 42a and 42b described above can be used.
  • the temperature sensors are arranged on both the blade receiving spring blocks 42a and 42b and the fixed terminal plates 86 and 88.
  • the blade receiving spring blocks 42a and 42b or the fixed terminal plates 86 and 88 You may arrange
  • the outlet 10 of the present embodiment is manufactured as follows. That is, first, the substrate 120 on which a circuit for detecting overheating as an abnormality is mounted is selected. Alternatively, when an outlet with a seismic function is used, a board on which a seismic sensor is mounted is selected. Alternatively, in the case of an outlet having a leakage detection function, a substrate on which a circuit including a leakage detection sensor or a current sensor is mounted is selected.
  • the opening / closing unit 70 capable of turning on / off the power supply to the load is connected to the substrate 120 via the signal line 60c.
  • the blade receiving spring blocks 42a and 42b into which the plug blade of the plug is inserted and removed and the terminal portion 100 for connecting the external power supply line are electrically connected to the open / close unit 70, respectively.
  • the blade receiving spring blocks 42 a and 42 b are stored in the body member 44 after the temperature sensor 54 is attached.
  • the substrate 120, the opening / closing unit 70, the terminal unit 100, and the blade receiving spring blocks 42 a and 42 b are accommodated in the common case 16, and the cover member 12 is provided to cover the opening of the case 16.
  • the opening / closing unit 70, the case 16, the outlet body cover 12, and the like can be shared. Can be easily manufactured at low cost.

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  • Engineering & Computer Science (AREA)
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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

A method of manufacturing an electrical outlet in which at least one component is used commonly with respect to a plurality of anomalies. A substrate (120) on which a circuit for sensing some anomalies is mounted is selected. Then, an open/close unit (70) that is used commonly with respect to a plurality of anomalies is connected to the substrate (120). Then, blade-receiving spring blocks (42a, 42b) and a terminal portion (100) for connecting an external power supply line are electrically connected to the open/close unit (70). Then, the substrate (120), the open/close unit (70), the terminal portion (100), and the blade-receiving spring blocks (42a, 42b) are housed in a common case, and an opening portion of the case is covered with a cover member.

Description

コンセントの製造方法、及び、コンセントOutlet manufacturing method and outlet
 本開示は、コンセントの製造方法、及び、コンセントに関する。 This disclosure relates to an outlet manufacturing method and an outlet.
 従来、特許文献1には、少なくとも1対以上の差込プラグ接続部と、差込プラグ接続部への電源供給を遮断する遮断機構部とを備えたコンセントが記載されている。このコンセントでは、差込プラグの栓刃間に発生するトラッキングを検出する検出部を有しており、この検出部によって異常が検出されたときに、遮断機構部を作動させて差込プラグ接続部への電源供給を遮断するようになっている。 Conventionally, Patent Document 1 describes an outlet provided with at least one pair of plug connection portions and a shut-off mechanism portion for cutting off power supply to the plug connection portion. This outlet has a detection unit that detects tracking generated between the plug blades of the plug, and when an abnormality is detected by this detection unit, the blocking mechanism is activated to connect the plug connection unit. The power supply to is cut off.
特開2007-42407号公報JP 2007-42407 A
 コンセントにおいては、トラッキングを検出したとき遮断機構を作動させて差込プラグへの電力供給を遮断するもののほかに、コンセントの過熱や地震などの異常を検出したとき差込プラグ接続部への電力供給を遮断するように構成することがある。その場合、トラッキング、過熱、感震などの異常ごとに異なる専用部品を用いてコンセントを構成する。これは、それぞれ異なる筐体、カバー、電子部品、端子部などを設けることとなって、コンセントの製造コストが高くなるとともに生産性が低下する。 In addition to the power outlet being cut off when the tracking is detected, the power supply to the plug is cut off, and the power supply to the plug connection is detected when an abnormality such as overheating of the outlet or an earthquake is detected. May be configured to block. In that case, the outlet is configured using different dedicated parts for each abnormality such as tracking, overheating, and vibration. This is because different housings, covers, electronic components, terminal portions, and the like are provided, which increases the manufacturing cost of the outlet and decreases the productivity.
 本開示の目的は、複数の異常に対して複数の部品を共用することで製造コスト削減と生産性向上を図ることができるコンセントの製造方法及びコンセントを提供することにある。 An object of the present disclosure is to provide an outlet manufacturing method and an outlet that can reduce manufacturing costs and improve productivity by sharing a plurality of parts for a plurality of abnormalities.
 本開示の一態様であるコンセントの製造方法は、複数の異常に対して少なくとも1つの部品が共用されてなるコンセントの製造方法である。この製造方法は、何れかの異常を検知するための回路が実装された基板を選択し、負荷への電力供給をオンオフでき、かつ、複数の異常に対して共用される開閉ユニットを、基板に信号線を介して接続する。差込プラグの栓刃が挿抜される刃受部材と、外部電源線を接続するための端子部とを、開閉ユニットにそれぞれ電気的に接続する。そして、基板、開閉ユニット、端子部、及び、刃受部材を共用のケースに収納し、ケースの開口部を覆ってカバー部材を設ける。 The outlet manufacturing method according to one aspect of the present disclosure is an outlet manufacturing method in which at least one component is shared for a plurality of abnormalities. In this manufacturing method, a substrate on which a circuit for detecting any abnormality is mounted is selected, and power supply to a load can be turned on / off. Connect via signal line. A blade receiving member into which the plug blade of the plug is inserted and removed and a terminal portion for connecting an external power supply line are electrically connected to the open / close unit, respectively. And a board | substrate, an opening / closing unit, a terminal part, and a blade receiving member are accommodated in a common case, and a cover member is provided to cover the opening of the case.
 本開示の別の態様であるコンセントは、複数の異常に対して少なくとも1つの部品が共用されてなるコンセントである。このコンセントは、何れかの異常を検知するための回路が実装された基板と、負荷への電力供給をオンオフできると共に、基板と信号線を介して接続され、複数の異常に対して共用される開閉ユニットと、開閉ユニットに電気的に接続され、差込プラグの栓刃が挿抜される刃受部材と、開閉ユニットに電気的に接続され、外部電源線を接続するための端子部と、基板、開閉ユニット、端子部、及び、刃受部材を収納するケースと、ケースの開口部を覆って設けられるカバー部材とを備える。 The outlet according to another aspect of the present disclosure is an outlet in which at least one part is shared for a plurality of abnormalities. This outlet can turn on / off the power supply to the board on which a circuit for detecting any abnormality is mounted, and is connected to the board via a signal line, and is shared for a plurality of abnormalities. An opening / closing unit, a blade receiving member that is electrically connected to the opening / closing unit and into which the plug blade of the plug is inserted, a terminal portion that is electrically connected to the opening / closing unit and connects an external power supply line, and a substrate A case that houses the opening / closing unit, the terminal portion, and the blade receiving member, and a cover member that covers the opening of the case.
 本開示に係るコンセントの製造方法、及び、コンセントによれば、開閉ユニット、ケース、カバー部材などを共用することができるので、異常を検知するため回路を変更するだけで、種々の異常に対応したコンセントを低コストで容易に製造できる。 According to the outlet manufacturing method and the outlet according to the present disclosure, since the opening / closing unit, the case, the cover member, and the like can be shared, it is possible to cope with various abnormalities only by changing the circuit in order to detect the abnormalities. The outlet can be easily manufactured at low cost.
化粧カバーと共に設置されたコンセントの全体斜視図である。It is a whole perspective view of the outlet socket installed with the decorative cover. コンセントの正面図である。It is a front view of an outlet socket. コンセント本体カバーおよびコンセント外側カバーを取り外した状態で示すコンセントの分解斜視図である。It is a disassembled perspective view of the outlet shown with the outlet main body cover and the outlet outer cover removed. コンセント本体カバーおよびコンセント外側カバーを取り外した状態で示すコンセントの正面図である。It is a front view of the outlet shown with the outlet body cover and the outlet outer cover removed. 図4に示すコンセントにおいて、ケースを取り外した状態で示す分解斜視図である。FIG. 5 is an exploded perspective view showing the outlet shown in FIG. 4 with a case removed. 図5に示すコンセントにおいて、ボディ部材と開閉ユニットハウジングを取り除いた状態を示す斜視図である。FIG. 6 is a perspective view showing a state where the body member and the opening / closing unit housing are removed from the outlet shown in FIG. 5. 開路状態にある開閉ユニットの側面図である。It is a side view of the opening-closing unit in an open circuit state. 閉路状態にある開閉ユニットの側面図である。It is a side view of the opening / closing unit in a closed state. コンセントの端子部を一部分解状態で示す斜視図である。It is a perspective view which shows the terminal part of an outlet socket in a partially exploded state. コンセントの温度センサ取付構造を示す斜視図である。It is a perspective view which shows the temperature sensor attachment structure of an outlet socket. 図10の温度センサ取付構造を示す一部切り欠き平面図である。It is a partially notched top view which shows the temperature sensor attachment structure of FIG. 刃受ばねブロックとボディ部材とを示す分解斜視図である。It is a disassembled perspective view which shows a blade receiving spring block and a body member. 1つの刃受ばねブロックがボディ部材に組付けられた状態を示す斜視図である。It is a perspective view which shows the state in which one blade receiving spring block was assembled | attached to the body member. 1つの刃受ばねブロックとボディ部材とを示す分解斜視図である。It is a disassembled perspective view which shows one blade receiving spring block and a body member. 端子部の一部を拡大して示す斜視図である。It is a perspective view which expands and shows a part of terminal part.
 以下に、本開示に係る実施の形態について添付図面を参照しながら詳細に説明する。この説明において、具体的な形状、材料、数値、方向等は、本開示の理解を容易にするための例示であって、用途、目的、仕様等にあわせて適宜変更することができる。また、以下において複数の実施形態や変形例などが含まれる場合、それらの特徴部分を適宜に組み合わせて用いることは当初から想定されている。 Hereinafter, embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. In this description, specific shapes, materials, numerical values, directions, and the like are examples for facilitating understanding of the present disclosure, and can be appropriately changed according to the application, purpose, specification, and the like. In addition, when a plurality of embodiments and modifications are included in the following, it is assumed from the beginning that these characteristic portions are used in appropriate combinations.
 図1は、化粧カバーと共に設置されたコンセント10の全体斜視図である。図2は、コンセント10の正面図である。図1及び図2(他図でも同様)において、矢印Xは幅方向(または左右方向)を示し、矢印Yは前後方向(または奥行き方向)を示し、矢印Zは上下方向(または高さ方向)を示している。これらの3方向は互いに直交する。なお、これらの方向は例示であって、本開示に係るコンセントの構成を実質的に規定するものではない。 FIG. 1 is an overall perspective view of the outlet 10 installed together with the decorative cover. FIG. 2 is a front view of the outlet 10. 1 and 2 (the same applies to other drawings), the arrow X indicates the width direction (or left-right direction), the arrow Y indicates the front-rear direction (or depth direction), and the arrow Z indicates the up-down direction (or height direction). Is shown. These three directions are orthogonal to each other. These directions are merely examples, and do not substantially define the configuration of the outlet according to the present disclosure.
 図1及び図2に示すように、コンセント10は、前方から見た正面視で縦長の長形状をなす直方体に形成されている。コンセント10の大きさは、JIS規格に規定される寸法に形成されている。コンセント10は、例えば、壁などに埋め込まれた状態で設置される。 As shown in FIG. 1 and FIG. 2, the outlet 10 is formed in a rectangular parallelepiped having a vertically long shape when viewed from the front. The size of the outlet 10 is formed to a size specified in the JIS standard. The outlet 10 is installed in a state of being embedded in a wall or the like, for example.
 コンセント10の前面の周囲は、矩形枠状をなす化粧カバー2が配置されている。化粧カバー2は、例えば、樹脂成型品で構成される。化粧カバー2は、コンセント10の前面周囲に設けられることで、コンセント10を壁に形成された穴や、この穴にコンセント10を取り付けるための取付具(図示せず)を外部から見えなくして見栄えを良くするための部材である。 A decorative cover 2 having a rectangular frame shape is arranged around the front surface of the outlet 10. The decorative cover 2 is made of, for example, a resin molded product. The decorative cover 2 is provided around the front surface of the outlet 10 so that a hole formed in the wall of the outlet 10 and a fitting (not shown) for attaching the outlet 10 to the hole cannot be seen from the outside. It is a member for improving.
 図3は、コンセント本体カバーおよびコンセント外側カバーを取り外した状態で示すコンセント10の分解斜視図である。図1ないし図3に示すように、コンセント10は、コンセント本体カバー(カバー部材)12と、コンセント外側カバー(カバー部材)14とを備える。コンセント本体カバー12及びコンセント外側カバー14はいずれも樹脂成型品によって構成される。 FIG. 3 is an exploded perspective view of the outlet 10 with the outlet body cover and the outlet outer cover removed. As shown in FIGS. 1 to 3, the outlet 10 includes an outlet body cover (cover member) 12 and an outlet outer cover (cover member) 14. Both the outlet main body cover 12 and the outlet outer cover 14 are formed of a resin molded product.
 コンセント本体カバー12は、コンセント10の前面を覆って配置されている。コンセント本体カバー12は、上部カバー12a及び下部カバー12bを含む。上部カバー12aは、後述するケース内に収納された刃受ばねブロックの前方を覆って設けられる。 The outlet body cover 12 is disposed so as to cover the front surface of the outlet 10. The outlet body cover 12 includes an upper cover 12a and a lower cover 12b. The upper cover 12a is provided so as to cover the front of a blade receiving spring block housed in a case described later.
 上部カバー12aには、栓刃挿入部18a,18bが上下2段に配置されている。上段の栓刃挿入部18aには、差込プラグ(図示せず)の2つの板状栓刃が挿入される栓刃挿入口20a,20bが左右方向に並んで形成されている。また、下段の栓刃挿入部18bには、差込プラグの2つの栓刃が挿入される栓刃挿入口20a,20bが左右方向に並んで形成されるとともに、栓刃挿入口20a,20bの間の下方位置に接地用の棒状端子が挿入される接地端子挿入口20cが形成されている。本実施形態では、一方の栓刃挿入口20aの開口縁部が正面視で略D字型の枠状に形成され、他方の栓刃挿入口20bの開口縁部が矩形枠状に形成されている例が示される。ただし、これに限定されるものではなく、各栓刃挿入口20a,20bの開口縁部は同じ形状に形成されてもよい。 The upper cover 12a has plug blade insertion portions 18a and 18b arranged in two upper and lower stages. In the upper blade insertion portion 18a, plug blade insertion ports 20a and 20b into which two plate-shaped blades of insertion plugs (not shown) are inserted are formed side by side in the left-right direction. The lower blade insertion portion 18b is formed with plug blade insertion ports 20a and 20b into which two plug blades of the insertion plug are inserted side by side in the left-right direction, and the plug blade insertion ports 20a and 20b. A ground terminal insertion port 20c into which a grounding rod-shaped terminal is inserted is formed at a lower position therebetween. In the present embodiment, the opening edge of one plug blade insertion opening 20a is formed in a substantially D-shaped frame shape in front view, and the opening edge of the other plug blade insertion opening 20b is formed in a rectangular frame shape. An example is shown. However, it is not limited to this, The opening edge part of each plug blade insertion opening 20a, 20b may be formed in the same shape.
 コンセント本体カバー12の一部を構成する下部カバー12bは、ケース内に収納された端子部100を覆って設けられる。下部カバー12bの表面には「アース」及び「あける」の文字、接地を表すマークなどが付されている。下部カバー12bは、上部カバー12aに対して着脱可能に取り付けられている。詳しくは、下部カバー12bに一体形成されている2つの取付ピン13を上部カバー12aに形成された取付穴15に挿入することによって取り付けられる。下部カバー12bをコンセント10から取り外すことで端子部100の接地用端子部が露出する。これにより、コンセント10は、接地用外部電線を接続可能な状態になる。 The lower cover 12b constituting a part of the outlet body cover 12 is provided so as to cover the terminal portion 100 housed in the case. On the surface of the lower cover 12b, characters “earth” and “open”, a mark indicating grounding, and the like are attached. The lower cover 12b is detachably attached to the upper cover 12a. Specifically, the attachment is made by inserting the two attachment pins 13 formed integrally with the lower cover 12b into the attachment holes 15 formed in the upper cover 12a. By removing the lower cover 12b from the outlet 10, the grounding terminal portion of the terminal portion 100 is exposed. Thereby, the outlet 10 is in a state in which a grounding external electric wire can be connected.
 コンセント外側カバー14は、前方から見た正面視でコ字状をなす形状に形成され、コンセント本体カバー12の上方、左側及び下方の三方外側に隣接して配置される。コンセント外側カバー14は、後述する開閉ユニット70の前面を覆って設けられる。コンセント外側カバー14には、縦長の長方形状をなす開口部14aと、この開口部14aの上方に位置する円形の貫通孔14bとが形成されている。開口部14aには、開閉ユニット70の操作レバー71が露出した状態で配置されている。また、貫通孔14bの内側(すなわち後方)には、後述する基板に実装された押しスイッチが配置される。これにより、例えば細い棒状の工具やペンの先端などを貫通孔14bに挿入することで、押しスイッチを押下することができる。 The outlet outer cover 14 is formed in a U-shape when viewed from the front, and is disposed adjacent to the upper, left, and lower three sides of the outlet body cover 12. The outlet outer cover 14 is provided so as to cover the front surface of an opening / closing unit 70 described later. The outlet outer cover 14 is formed with an opening 14a having a vertically long rectangular shape and a circular through hole 14b positioned above the opening 14a. The operation lever 71 of the opening / closing unit 70 is exposed in the opening 14a. In addition, a push switch mounted on a substrate to be described later is disposed inside (that is, behind) the through hole 14b. Accordingly, for example, a push switch can be pressed by inserting a thin rod-shaped tool, the tip of a pen, or the like into the through hole 14b.
 コンセント外側カバー14において貫通孔の14bの上方には、「電源」及び「異常」の表示が付されている。表示「電源」の上の領域はコンセント10の電源供給時に例えば緑色に点灯する電源灯部分14cになっており、表示「異常」の上の領域はコンセント10の異常発熱時に例えば赤色に点灯又は点滅する異常灯部分14dになっている。なお、電源灯部分14c及び異常灯部分14dはコンセント外側カバー14の壁面を光が透過する透光部となっているが、それぞれ貫通孔からなる透光窓として形成されてもよい。 In the outlet outer cover 14, “power” and “abnormal” are displayed above the through hole 14b. The area above the display “power” is a power lamp portion 14c that is lit green, for example, when power is supplied to the outlet 10, and the area above the display “abnormal” is lit or blinks red, for example, when the outlet 10 is abnormally heated. This is an abnormal light portion 14d. The power lamp portion 14c and the abnormal lamp portion 14d are light-transmitting portions that transmit light through the wall surface of the outlet outer cover 14, but may be formed as light-transmitting windows each including a through hole.
 図4は、コンセント本体カバー12及びコンセント外側カバー14を取り外した状態で示すコンセント10の正面図である。図5は、図4に示すコンセント10において、ケース16を取り外した状態で示す分解斜視図である。 FIG. 4 is a front view of the outlet 10 with the outlet body cover 12 and the outlet outer cover 14 removed. FIG. 5 is an exploded perspective view showing the outlet 10 shown in FIG. 4 with the case 16 removed.
 コンセント10は、ケース16を備える。ケース16は、例えば、樹脂成型品によって構成される。ケース16は、図3及び図4に示すように、直方体状の外形をなし、後部に底面を有するとともに前方に開口した形状を有する。 The outlet 10 includes a case 16. The case 16 is made of, for example, a resin molded product. As shown in FIGS. 3 and 4, the case 16 has a rectangular parallelepiped outer shape, and has a shape having a bottom surface at the rear and opening forward.
 図3及び図4に示すように、ケース16の長辺方向に沿った外面には、係合部22が突出して形成されている。係合部22は、各側面に間隔をあけて2つずつ設けられている。これらの係合部22にコンセント本体カバー12のフック部(図示せず)が係合することによって、コンセント本体カバー12がケース16に取り付けられる。 As shown in FIGS. 3 and 4, the engaging portion 22 is formed to protrude from the outer surface along the long side direction of the case 16. Two engaging portions 22 are provided on each side surface at intervals. When the hook portion (not shown) of the outlet body cover 12 is engaged with these engaging portions 22, the outlet body cover 12 is attached to the case 16.
 図5に示すように、ケース16の底面24には、2つの柱部26が上下方向Zに間隔をあけて立設されている。これらの柱部26と幅方向Xの一方側のケース内面25aとの間に、開閉ユニット70を収容するための空間28が区画されている。また、上記柱部26と他方側のケース内面25bとの間に、刃受ばねユニット40及び基板120等を収容する空間30が区画されている。 As shown in FIG. 5, two column portions 26 are erected on the bottom surface 24 of the case 16 with an interval in the vertical direction Z. A space 28 for accommodating the opening / closing unit 70 is defined between the column portions 26 and the case inner surface 25a on one side in the width direction X. A space 30 for accommodating the blade receiving spring unit 40, the substrate 120, and the like is defined between the column portion 26 and the case inner surface 25b on the other side.
 また、ケース16の底面24の下部には、前方から見た正面視でL字状をなす仕切り壁部27が突出して形成されている。この仕切り壁部27によって、ケース16内において端子部100が収納される空間32が区画されている。 Further, an L-shaped partition wall portion 27 is formed on the lower portion of the bottom surface 24 of the case 16 so as to project from the front as viewed from the front. The partition wall 27 defines a space 32 in the case 16 in which the terminal portion 100 is accommodated.
 また、ケース16の底面24には、複数の支持突起部29が突出して形成されている。これらの支持突起部29の先端面によって、ケース16内に収納された基板120が支持されている。 Further, a plurality of support protrusions 29 are formed on the bottom surface 24 of the case 16 so as to protrude. The substrate 120 accommodated in the case 16 is supported by the front end surfaces of the support protrusions 29.
 図6は、図5に示すコンセントにおいて、ボディ部材と開閉ユニットハウジングを取り除いた状態を示す斜視図である。図4ないし図6に示すように、コンセント10は、刃受ばねユニット40、開閉ユニット70、及び、基板120を備える。また、コンセント10は、接地用端子部102を備えてもよい。 FIG. 6 is a perspective view showing a state in which the body member and the opening / closing unit housing are removed from the outlet shown in FIG. As shown in FIGS. 4 to 6, the outlet 10 includes a blade receiving spring unit 40, an opening / closing unit 70, and a substrate 120. Further, the outlet 10 may include a grounding terminal portion 102.
 刃受ばねユニット40は、2つの刃受ばねブロック42a,42bと、これらの刃受ばねブロック42a,42bを支持するボディ部材44と、刃受ばねブロック42a,42bをボディ部材44に押さえ付けた状態で固定する固定部材46とを含む。ボディ部材44及び固定部材46は、絶縁性の樹脂成型品によって好適に構成される。なお、刃受ばねブロック42a,42bは、ボディ部材44に設けられた一対の爪部(図示せず)によって挟持されて保持又は固定されてもよい。 The blade receiving spring unit 40 includes two blade receiving spring blocks 42a and 42b, a body member 44 that supports these blade receiving spring blocks 42a and 42b, and the blade receiving spring blocks 42a and 42b pressed against the body member 44. And a fixing member 46 that is fixed in a state. The body member 44 and the fixing member 46 are preferably configured by an insulating resin molded product. The blade receiving spring blocks 42 a and 42 b may be held and fixed by being sandwiched by a pair of claw portions (not shown) provided on the body member 44.
 一方の刃受ばねブロック42aは、コンセント10の端子部100に接続される電圧相(以下、L相という。)の外部電源線と電気的に接続される端子部材である。他方の刃受ばねブロック42bは、コンセント10の端子部100に接続される中性相(以下、N相という。)の外部電源線と電気的に接続される端子部材である。刃受ばねブロック42a,42bは、例えば、銅板等の金属板を打ち抜き及び折り曲げ等の加工を施すことによって製造される。 One blade receiving spring block 42a is a terminal member that is electrically connected to an external power line of a voltage phase (hereinafter referred to as L phase) connected to the terminal portion 100 of the outlet 10. The other blade receiving spring block 42 b is a terminal member that is electrically connected to an external power line of a neutral phase (hereinafter referred to as “N phase”) connected to the terminal portion 100 of the outlet 10. The blade receiving spring blocks 42a and 42b are manufactured, for example, by punching and bending a metal plate such as a copper plate.
 各刃受ばねブロック42a,42bは、同一形状のものを用いることができる。したがって、以下では一方の刃受ばねブロック42aの構成について主として説明し、他方の刃受ばねブロック42bについては援用によって説明を適宜に省略する。 Each blade receiving spring block 42a, 42b can be of the same shape. Therefore, in the following, the configuration of one blade receiving spring block 42a will be mainly described, and the description of the other blade receiving spring block 42b will be omitted as appropriate with the aid of assistance.
 刃受ばねブロック42aは、2対の刃受ばね48と、各刃受ばね48を機械的に連結するとともに電気的に接続する連結部50と、連結部50の縁部から前後方向に沿って折り曲げ形成された接続端子部52とを一体に有する。 The blade receiving spring block 42a includes two pairs of blade receiving springs 48, a connecting portion 50 that mechanically connects and electrically connects each blade receiving spring 48, and an edge of the connecting portion 50 along the front-rear direction. The connecting terminal part 52 formed by bending is integrally formed.
 L相用の刃受ばねブロック42aにおいて1対の刃受ばね48は、上部カバー12aの上段の右側に形成された栓刃挿入口20aの内側に配置される。もう1対の刃受ばね48は、上部カバー12aの下段の右側に形成された栓刃挿入口20aの内側に配置される(図2参照)。 In the L-phase blade receiving spring block 42a, the pair of blade receiving springs 48 are arranged inside the plug blade insertion opening 20a formed on the upper right side of the upper cover 12a. The other pair of blade receiving springs 48 are disposed inside the plug blade insertion opening 20a formed on the lower right side of the upper cover 12a (see FIG. 2).
 N相用の刃受ばねブロック42bにおいて1対の刃受ばね48は、上部カバー12aの上段の左側に形成された栓刃挿入口20bの内側に配置される。もう1対の刃受ばね48は、上部カバー12aの下段の左側に形成された栓刃挿入口20bの内側に配置される(図2参照)。 In the N-phase blade receiving spring block 42b, the pair of blade receiving springs 48 are arranged inside the plug blade insertion opening 20b formed on the left side of the upper stage of the upper cover 12a. The other pair of blade receiving springs 48 is disposed inside the plug blade insertion opening 20b formed on the lower left side of the upper cover 12a (see FIG. 2).
 図6に示すように、L相用の刃受ばねブロック42aの接続端子部52には、L相導線54aの一端がはんだ付け等によって接続されている。また、N相用の刃受ばねブロック42bの接続端子部52には、N相導線54bの一端がはんだ付け等によって接続されている。L相導線54aおよびN相導線54bは、例えば、絶縁被覆された編組銅線によって好適に構成される。L相導線54aおよびN相導線54bの各他端は、開閉ユニット70にそれぞれ接続されている。 As shown in FIG. 6, one end of an L-phase conducting wire 54 a is connected to the connection terminal portion 52 of the L-phase blade receiving spring block 42 a by soldering or the like. Further, one end of an N-phase conductor 54b is connected to the connection terminal portion 52 of the blade receiving spring block 42b for N-phase by soldering or the like. The L-phase conducting wire 54a and the N-phase conducting wire 54b are preferably configured by, for example, a braided copper wire with an insulation coating. The other ends of the L-phase conducting wire 54a and the N-phase conducting wire 54b are connected to the opening / closing unit 70, respectively.
 また、刃受ばねブロック42a,42bの接続端子部52には温度センサ54がクリップ56によってそれぞれ取り付けられている(図11参照)。温度センサ54の取付構造については後に詳述する。温度センサ54は、刃受ばねブロック42a,42bの温度をそれぞれ計測して、その計測結果を信号線60a,60bを介して基板120に送信する。 Further, temperature sensors 54 are respectively attached to the connection terminal portions 52 of the blade receiving spring blocks 42a and 42b by clips 56 (see FIG. 11). The mounting structure of the temperature sensor 54 will be described in detail later. The temperature sensor 54 measures the temperatures of the blade receiving spring blocks 42a and 42b, and transmits the measurement results to the substrate 120 via the signal lines 60a and 60b.
 基板120は、図示しないパターン配線が形成された回路基板である。基板120には、例えば、マイコンからなる制御装置が実装されている。制御装置は、温度センサ54から送信される計測結果に基づいて、刃受ばねブロック42a,42bの温度が所定閾値を超えていないか否かを判定する。そして、制御装置は、刃受ばねブロック42a,42bの少なくとも一方の温度が所定閾値温度を超えたとき、コンセント10が過熱状態であると判定し、後述する開閉ユニットに信号線60cを介して作動信号を送信する。 The substrate 120 is a circuit board on which a pattern wiring (not shown) is formed. On the substrate 120, for example, a control device including a microcomputer is mounted. Based on the measurement result transmitted from the temperature sensor 54, the control device determines whether or not the temperature of the blade receiving spring blocks 42 a and 42 b exceeds a predetermined threshold value. Then, when the temperature of at least one of the blade receiving spring blocks 42a and 42b exceeds a predetermined threshold temperature, the control device determines that the outlet 10 is in an overheated state, and operates the opening / closing unit described later via the signal line 60c. Send a signal.
 ここで、所定閾値温度は、例えば、100℃~150℃に設定することができる。所定閾値温度は、コンセント10のコンセント本体カバー12やボディ部材44を構成する樹脂材料の耐熱温度等に応じて設定され得るものである。また、所定閾値温度は、コンセント10が使用される環境温度(または周囲温度)に応じて変更されてもよい。また、基板120には、ブザー装置が実装されてもよい。制御装置は、刃受ばねブロック42a,42bの少なくとも一方の温度が所定閾値温度を超えて過熱状態にあると判定されたとき、異常灯発光部136を点灯または点滅させるとともにブザー装置を鳴動させて、報知動作を行ってもよい。さらに、コンセント本体カバー12等のカバー部材やボディ部材44などを構成する樹脂材料として、例えば、メラミン樹脂、ユリア樹脂、ポリブチレンテレフタレート(PBT)などが好適に用いられる。 Here, the predetermined threshold temperature can be set to 100 ° C. to 150 ° C., for example. The predetermined threshold temperature can be set according to the heat resistant temperature of the resin material constituting the outlet body cover 12 and the body member 44 of the outlet 10. Further, the predetermined threshold temperature may be changed according to the environmental temperature (or ambient temperature) where the outlet 10 is used. Further, a buzzer device may be mounted on the substrate 120. When it is determined that the temperature of at least one of the blade receiving spring blocks 42a and 42b exceeds the predetermined threshold temperature and is in an overheated state, the control device turns on or blinks the abnormal lamp light emitting unit 136 and sounds the buzzer device. A notification operation may be performed. Furthermore, for example, melamine resin, urea resin, polybutylene terephthalate (PBT), or the like is suitably used as a resin material constituting the cover member such as the outlet body cover 12 and the body member 44.
 図6に示すように、基板120の裏面からは、2本の信号線62a,62bが延出している。これらの信号線62a,62bを介して、温度センサ54による計測結果や開閉ユニット70の作動状態(オンオフ状態)を示す信号がコンセント10の外部の電力制御装置や分電盤などに送信されてもよい。 As shown in FIG. 6, two signal lines 62 a and 62 b extend from the back surface of the substrate 120. Even if a signal indicating a measurement result by the temperature sensor 54 or an operating state (on / off state) of the opening / closing unit 70 is transmitted to the power control device or the distribution board outside the outlet 10 via these signal lines 62a and 62b. Good.
 なお、本実施形態では基板120は、コンセント10の過熱状態を異常として検知する機能を備える例について説明するが、これに限定されるものでない。コンセントは、所定震度以上の地震を異常として検知したとき電力供給を遮断する感震機能を備えるものであってもよい。この場合、震度は基板上またはコンセント内部の他の部分に設置された例えば、ジャイロセンサ等の加速度を検知可能な感震センサによって構成されてもよい。感震センサは、基板上のパターン配線又は、信号線を介して、基板上の制御装置に接続される。制御装置は、感震センサからの入力に基づいて所定震度以上の地震であると判定されたとき、開閉ユニット70に対して作動信号を出力する。また、本開示に係るコンセントは、このような感震検知機能と上述した過熱検知機能とを合わせて備えてもよいし、感震機能単独で備えてもよい。さらに、本開示に係るコンセントは、異常として漏電を検知したときに電流を遮断する漏電検知機能を上述した過熱や感震と組み合わせて或いは単独で備えてもよい。漏電を検知するためにコンセント内に電流センサを設け、刃受ばねブロックを流れる電流が所定閾値電流値を超えたときに開閉ユニットを作動させる構成とすればよい。 In addition, although the board | substrate 120 demonstrates the example provided with the function which detects the overheating state of the outlet socket 10 as abnormality in this embodiment, it is not limited to this. The outlet may have a seismic function that shuts off the power supply when an earthquake having a predetermined seismic intensity or more is detected as abnormal. In this case, the seismic intensity may be constituted by a seismic sensor capable of detecting acceleration, such as a gyro sensor, which is installed on the substrate or other part inside the outlet. The seismic sensor is connected to a control device on the board via a pattern wiring or a signal line on the board. The control device outputs an operation signal to the opening / closing unit 70 when it is determined that the earthquake is greater than a predetermined seismic intensity based on the input from the seismic sensor. Moreover, the outlet according to the present disclosure may be provided with such a seismic detection function and the above-described overheat detection function, or may be provided with a seismic function alone. Furthermore, the outlet according to the present disclosure may include a leakage detection function for cutting off a current when an leakage is detected as an abnormality in combination with the above-described overheating or seismic sense or alone. What is necessary is just to set it as the structure which provides an electric current sensor in an outlet socket in order to detect an electric leakage, and operates an opening-and-closing unit when the electric current which flows through a blade receiving spring block exceeds a predetermined threshold current value.
 このような感震検知機能や漏電検知機能を備えたコンセントにおいても、基板以外のコンセント構成部品を共用することができ、コンセントの生産性が向上するとともに、製造コストを抑制することができる。 Even in an outlet having such a seismic detection function and a leakage detection function, outlet components other than the board can be shared, so that the productivity of the outlet can be improved and the manufacturing cost can be suppressed.
 図6に示すように、コンセント10は、スイッチ盤130を備える。スイッチ盤130には、押しスイッチ132が実装されている。押しスイッチ132は、コンセント外側カバー14の貫通孔14bの内側に配置されている(図1ないし図3参照)。これにより、貫通孔14bを介してコンセント10の外部から押しスイッチ132を押下操作することができる。スイッチ盤130は、基板120に信号線を介して接続されている。押しスイッチ132が押下操作されると、基板120から後述する開閉ユニット70に作動信号が送信される。これにより、開閉ユニット70が閉路状態から開路状態に切り替り、押しスイッチ132は異常を示す点滅状態となる。このように押しスイッチ132を押下操作することで、コンセント10が正常に作動するか否かをテストすることができる。また、押しスイッチ132を押下操作することで、過熱を報知するブザー装置を停止させることもできる。 As shown in FIG. 6, the outlet 10 includes a switch panel 130. A push switch 132 is mounted on the switch panel 130. The push switch 132 is disposed inside the through hole 14b of the outlet outer cover 14 (see FIGS. 1 to 3). Accordingly, the push switch 132 can be pressed from the outside of the outlet 10 through the through hole 14b. The switch panel 130 is connected to the substrate 120 via a signal line. When the push switch 132 is pressed, an operation signal is transmitted from the substrate 120 to the opening / closing unit 70 described later. As a result, the open / close unit 70 is switched from the closed state to the open state, and the push switch 132 enters a blinking state indicating an abnormality. By pressing the push switch 132 in this way, it is possible to test whether or not the outlet 10 operates normally. Further, by pressing the push switch 132, it is possible to stop the buzzer device that notifies overheating.
 スイッチ盤130には、電源灯発光部134および異常灯発光部136が実装されている。電源灯発光部134は、コンセント外側カバー14の電源灯部分14cの内側に対向して配置され、異常灯発光部136は、コンセント外側カバー14の異常灯部分14dの内側に対向して配置される(図2参照)。電源灯発光部134は、例えば、緑色に発光する発光ダイオード(LED)によって好適に構成される。異常灯発光部136は、例えば、赤色に発光する発光ダイオード(LED)によって好適に構成される。電源灯発光部134は、コンセント10が電源供給状態にあるとき点灯される。異常灯発光部136は、後述するようにコンセント10において異常発熱が検知されたときに点灯されるか又は点滅する。これらの発光部134,136の点灯状態がコンセント10の外部から視認可能になっていることで、発光部134,136は報知部の一部を構成する。 The switch panel 130 is provided with a power lamp light emitting section 134 and an abnormal lamp light emitting section 136. The power lamp light emitting part 134 is disposed to face the inside of the power lamp part 14c of the outlet outer cover 14, and the abnormal lamp light emitting part 136 is disposed to face the inside of the abnormal lamp part 14d of the outlet outer cover 14. (See FIG. 2). The power lamp light emitting unit 134 is preferably configured by, for example, a light emitting diode (LED) that emits green light. The abnormal lamp light emitting unit 136 is preferably configured by, for example, a light emitting diode (LED) that emits red light. The power lamp light-emitting unit 134 is turned on when the outlet 10 is in a power supply state. The abnormal lamp light emitting unit 136 is turned on or blinks when abnormal heat generation is detected in the outlet 10, as will be described later. Since the lighting states of these light emitting units 134 and 136 are visible from the outside of the outlet 10, the light emitting units 134 and 136 constitute a part of the notification unit.
 次に、図7及び図8を参照して開閉ユニット70について説明する。図7は、閉路状態にある開閉ユニット70の側面図である。図8は、開路状態にある開閉ユニット70の側面図である。図7及び図8において、開閉ユニット70は、幅方向外側を覆うハウジングの壁面を取り除いた状態で示されている。 Next, the opening / closing unit 70 will be described with reference to FIGS. FIG. 7 is a side view of the opening / closing unit 70 in a closed state. FIG. 8 is a side view of the opening / closing unit 70 in the open circuit state. 7 and 8, the opening / closing unit 70 is shown in a state in which the wall surface of the housing that covers the outside in the width direction is removed.
 図7に示すように、開閉ユニット70は、ハウジング72を有する。ハウジング72の前面には、操作レバー71が露出した状態で回動可能に設けられている。 As shown in FIG. 7, the opening / closing unit 70 has a housing 72. A front surface of the housing 72 is rotatably provided with the operation lever 71 exposed.
 開閉ユニット70は、ハウジング72内に、コイル73、可動鉄片74、トリガーレバー75、支持レバー76、作動板77、押圧ばね78、作動部材79、圧接ばね80,85、L相可動端子板81及びL相可動端子部82、N相可動端子板83及びN相可動端子部84、L相固定端子板86及びL相固定端子部87、並びに、N相固定端子板88及びN相固定端子部89を備える。 The opening / closing unit 70 includes a coil 73, a movable iron piece 74, a trigger lever 75, a support lever 76, an operation plate 77, a pressing spring 78, an operation member 79, pressure contact springs 80 and 85, an L-phase movable terminal plate 81, and the like. L-phase movable terminal portion 82, N-phase movable terminal plate 83 and N-phase movable terminal portion 84, L-phase fixed terminal plate 86 and L-phase fixed terminal portion 87, and N-phase fixed terminal plate 88 and N-phase fixed terminal portion 89 Is provided.
 コイル73は、基板120からの作動信号を受けて電力供給される。これにより、コイル73は、磁力を発生する。可動鉄片74は、ハウジング72においてコイル73の後方(図7中では下方)に近接する位置で前後方向Yへ移動可能に設けられている。可動鉄片74は、N相可動端子板83の一端部83aに固定されている。なお、N相可動端子板83の一端部83aには、N相導線54bの他端がはんだ付け等によって電気的および機械的に接続されている。 The coil 73 is supplied with power in response to an operation signal from the substrate 120. Thereby, the coil 73 generates magnetic force. The movable iron piece 74 is provided in the housing 72 so as to be movable in the front-rear direction Y at a position close to the rear of the coil 73 (downward in FIG. 7). The movable iron piece 74 is fixed to one end 83 a of the N-phase movable terminal plate 83. Note that the other end of the N-phase conducting wire 54b is electrically and mechanically connected to one end 83a of the N-phase movable terminal plate 83 by soldering or the like.
 トリガーレバー75は、略L字状の形状をなし、ハウジング72の幅方向側壁面に軸部75aを中心に回動可能に設けられている。トリガーレバー75の一端部は、可動鉄片74と係合可能な位置に配置されている。 The trigger lever 75 has a substantially L shape, and is provided on the side wall surface of the housing 72 in the width direction so as to be rotatable about the shaft portion 75a. One end of the trigger lever 75 is disposed at a position where it can engage with the movable iron piece 74.
 支持レバー76は、前後方向Yに延在する形状を有し、ハウジング72の幅方向側壁面に軸部76aを中心に回動可能に設けられている。支持レバー76の一端部は、トリガーレバー75の他端部に係合可能な位置に配置されている。 The support lever 76 has a shape extending in the front-rear direction Y, and is provided on the side wall surface of the housing 72 in the width direction so as to be rotatable about the shaft portion 76a. One end of the support lever 76 is disposed at a position where it can engage with the other end of the trigger lever 75.
 作動板77は、一端部が支持レバー76の他端の上に当接して支持されている。作動板77は、操作レバー71に一端が連結されている略U字状の押圧ばね78の他端が連結されており、この押圧ばね78の押圧力によって一端部が支持レバー76の他端上に圧接されている。 The operation plate 77 is supported with one end abutting on the other end of the support lever 76. The operating plate 77 is connected to the other end of a substantially U-shaped pressing spring 78 whose one end is connected to the operating lever 71, and one end of the operating plate 77 is above the other end of the support lever 76 by the pressing force of the pressing spring 78. Is in pressure contact.
 操作レバー71の回動中心の周りには捻りばね90が配置されている。後述するように開閉ユニット70が作動して電力遮断状態になったとき、操作レバー71は捻りばね90の付勢力によって回動して、図8に示すようにコンセント10の前面に突出した状態となる。 A torsion spring 90 is disposed around the rotation center of the operation lever 71. As will be described later, when the opening / closing unit 70 is operated to be in a power cut-off state, the operation lever 71 is rotated by the biasing force of the torsion spring 90 and protrudes to the front surface of the outlet 10 as shown in FIG. Become.
 図7に示すように、作動部材79は、支持レバー76と作動板77とに隣接して配置され、ハウジング72の幅方向側壁に軸部79aを中心として回動可能に設けられている。作動部材79の後端部(図7中の下端部)は圧接ばね80によって付勢されている。これにより、作動部材79は、圧接ばね80によって、図7中の反時計回り方向に回動する方向に付勢されている。 7, the actuating member 79 is disposed adjacent to the support lever 76 and the actuating plate 77, and is provided on the side wall in the width direction of the housing 72 so as to be rotatable about the shaft portion 79a. A rear end portion (lower end portion in FIG. 7) of the actuating member 79 is biased by a press contact spring 80. As a result, the actuating member 79 is urged by the pressure contact spring 80 in a direction to rotate counterclockwise in FIG.
 作動部材79は、前後方向Yの略中央部がL相可動端子板81と係合可能に設けられている。L相可動端子板81の一端には、L相導線54aの他端がはんだ付け等によって電気的および機械的に接続されている。また、L相可動端子板81の他端にはL相可動端子部82が例えばカシメ等によって固定されている。 The actuating member 79 is provided so that a substantially central portion in the front-rear direction Y can be engaged with the L-phase movable terminal plate 81. One end of the L-phase movable terminal plate 81 is electrically and mechanically connected to the other end of the L-phase conducting wire 54a by soldering or the like. In addition, an L-phase movable terminal portion 82 is fixed to the other end of the L-phase movable terminal plate 81 by caulking or the like, for example.
 L相可動端子板81は、作動部材79によって、圧接ばね85の付勢力に抗して時計回り方向に回動した位置に押さえられている。これにより、後述するように作動部材79が圧接ばね80の付勢力によって反時計回り方向に回動したとき、L相可動端子板81は作動部材79による押さえが解放されることで、圧接ばね85の付勢力によって押し上げられるようになっている。 The L-phase movable terminal plate 81 is held by the operating member 79 at a position rotated in the clockwise direction against the urging force of the press contact spring 85. As a result, when the actuating member 79 is rotated counterclockwise by the urging force of the press contact spring 80 as will be described later, the L-phase movable terminal plate 81 is released from being pressed by the actuating member 79, so that the press contact spring 85. It can be pushed up by the urging force.
 また、作動部材79は、N相可動端子板83の中間部分を押さえ付けている。N相可動端子板83の他端部には、N相可動端子部84が例えばカシメ等によって固定されている。後述するように作動部材79が反時計回り方向に回動したとき、N相可動端子板83が作動部材79の後端部(図7中の下端部)によって押し上げられてN相可動端子部84が前方(図7中の上方)に移動するようになっている。 Also, the actuating member 79 presses the middle part of the N-phase movable terminal plate 83. An N-phase movable terminal portion 84 is fixed to the other end of the N-phase movable terminal plate 83 by caulking, for example. As will be described later, when the actuating member 79 rotates counterclockwise, the N-phase movable terminal plate 83 is pushed up by the rear end portion (lower end portion in FIG. 7) of the actuating member 79 and the N-phase movable terminal portion 84. Is moved forward (upward in FIG. 7).
 図7に示すように、L相可動端子部82は、ハウジング72内に配置されたL相固定端子部87に当接して電気的に接続されている。L相固定端子部87は、L相固定端子板86の一端部に例えばカシメ等によって固定されている。L相固定端子板86はハウジング72の外部に延出している。 7, the L-phase movable terminal portion 82 is in contact with and electrically connected to the L-phase fixed terminal portion 87 disposed in the housing 72. The L-phase fixed terminal portion 87 is fixed to one end portion of the L-phase fixed terminal plate 86 by caulking, for example. The L-phase fixed terminal plate 86 extends to the outside of the housing 72.
 N相可動端子部84は、ハウジング72内に配置されたN相固定端子部89に当接して電気的に接続されている。N相固定端子部89は、N相固定端子板88の一端部に例えばカシメ等によって固定されている。N相固定端子板88はハウジング72の外部に延出している。 The N-phase movable terminal portion 84 is in contact with and electrically connected to the N-phase fixed terminal portion 89 disposed in the housing 72. The N-phase fixed terminal portion 89 is fixed to one end portion of the N-phase fixed terminal plate 88 by caulking or the like, for example. N-phase fixed terminal plate 88 extends to the outside of housing 72.
 上記のように構成される開閉ユニット70では、基板120からの作動信号によってコイル73に電力供給されると、図8に示すように、可動鉄片74がコイル73の磁力によって吸着されて矢印A方向に移動する。 In the open / close unit 70 configured as described above, when electric power is supplied to the coil 73 by the operation signal from the substrate 120, the movable iron piece 74 is attracted by the magnetic force of the coil 73 as shown in FIG. Move to.
 そうすると、トリガーレバー75が可動鉄片74によって一端部が押されることで時計回り方向に回動し、これに伴って支持レバー76がトリガーレバー75の他端部によって押されることで反時計回り方向に回動する。 Then, the trigger lever 75 rotates in the clockwise direction when one end is pushed by the movable iron piece 74, and the support lever 76 is pushed in the counterclockwise direction by being pushed by the other end of the trigger lever 75. Rotate.
 そうすると、支持レバー76の上端に支持されていた作動板77の一端部が外れることで、作動板77は押圧ばね78の押圧力によって後方(図8中の下方)に傾斜した状態に押し込まれる。このとき、操作レバー71は、押圧ばね78の反力と捻りばね90の付勢力によって、コンセント10の前面に端部が突出した状態に回動する。 Then, when one end portion of the operating plate 77 supported by the upper end of the support lever 76 is removed, the operating plate 77 is pushed into a state inclined backward (downward in FIG. 8) by the pressing force of the pressing spring 78. At this time, the operation lever 71 is rotated by the reaction force of the pressing spring 78 and the biasing force of the torsion spring 90 so that the end protrudes from the front surface of the outlet 10.
 作動板77の支持レバー76による支持が外れたことで、作動板77によって時計回り方向に押されて支持されていた作動部材79が、圧接ばね80の付勢力によって反時計回り方向に回動する。これにより、圧接ばね85の付勢力によってL相可動端子板81が移動し、L相可動端子部82がL相固定端子部87から離間する。これと同時に、反時計回り方向に回動する作動部材79によって押されることで、N相可動端子板83が持ち上げられるように移動する。これにより、N相可動端子部84がN相固定端子部89から離間する。このようにL相可動端子部82及びN相可動端子部84がL相固定端子部87及びN相固定端子部89からそれぞれ離間することで、開閉ユニット70は閉路状態から開路状態に切り替る。その結果、刃受ばねブロック42a,42bへの電力供給が遮断され、コンセント10から差込プラグを介して負荷に供給される電力がオフされることになる。異常状態が解除されて、操作レバー71が図8に示す状態から図7に示す状態に手動操作で戻されると、開閉ユニット70の内部の各構成部材も図8に示す状態から図7に示す状態に復帰し、開路状態から閉路状態に戻すことができる。 When the support lever 76 of the operating plate 77 is disengaged from the support lever 76, the operating member 79 pushed and supported clockwise by the operating plate 77 is rotated counterclockwise by the biasing force of the pressure contact spring 80. . As a result, the L-phase movable terminal plate 81 is moved by the biasing force of the pressure spring 85, and the L-phase movable terminal portion 82 is separated from the L-phase fixed terminal portion 87. At the same time, the N-phase movable terminal plate 83 moves so as to be lifted by being pushed by the actuating member 79 that rotates counterclockwise. As a result, the N-phase movable terminal portion 84 is separated from the N-phase fixed terminal portion 89. Thus, the L-phase movable terminal portion 82 and the N-phase movable terminal portion 84 are separated from the L-phase fixed terminal portion 87 and the N-phase fixed terminal portion 89, respectively, so that the switching unit 70 is switched from the closed state to the open state. As a result, the power supply to the blade receiving spring blocks 42a and 42b is cut off, and the power supplied from the outlet 10 to the load via the plug is turned off. When the abnormal state is released and the operation lever 71 is manually returned from the state shown in FIG. 8 to the state shown in FIG. 7, the components in the opening / closing unit 70 are also shown in FIG. 7 from the state shown in FIG. It returns to a state and can return from an open circuit state to a closed circuit state.
 なお、開閉ユニット70は、上述した構成のものに限定されず、公知の如何なる構成の電路遮断機構を用いてもよい。 Note that the opening / closing unit 70 is not limited to the one having the above-described configuration, and any known circuit breaker mechanism may be used.
 図9は、コンセント10の端子部100を一部分解状態で示す斜視図である。コンセント10は、端子部100を備える。端子部100は、外部電源線が電気的及び機械的に接続される接続部である。 FIG. 9 is a perspective view showing the terminal part 100 of the outlet 10 in a partially disassembled state. The outlet 10 includes a terminal unit 100. The terminal part 100 is a connection part to which an external power supply line is electrically and mechanically connected.
 端子部100は、L相固定端子板86、N相固定端子板88、錠ばね92,94、及び、解錠部材96を備える。L相固定端子板86は、開閉ユニット70のハウジング72から延出した他端部にU字状に折り曲げられたL相接続部86aを有する。N相固定端子板88は、開閉ユニット70のハウジング72から延出した他端部にU字状に折り曲げられたN相接続部88aを有する。各接続部86a,88aの内側には、錠ばね92,94がそれぞれ配置されている。これにより、各接続部86a,88aは、後方からL相およびN相の外部電源線の接続端子をそれぞれ挿入することで、迅速に接続可能ないわゆる速結端子となっている。 The terminal unit 100 includes an L-phase fixed terminal plate 86, an N-phase fixed terminal plate 88, lock springs 92 and 94, and an unlocking member 96. The L-phase fixed terminal plate 86 has an L-phase connection portion 86 a that is bent in a U-shape at the other end that extends from the housing 72 of the opening / closing unit 70. The N-phase fixed terminal plate 88 has an N-phase connection portion 88 a that is bent in a U shape at the other end extending from the housing 72 of the opening / closing unit 70. Lock springs 92 and 94 are arranged inside the connection portions 86a and 88a, respectively. Thereby, each connection part 86a, 88a is what is called a quick connection terminal which can be connected quickly by inserting the connection terminal of the L-phase and N-phase external power supply line from the rear.
 解錠部材96は、押し込み操作することで、錠ばね92,94を各相接続部86a,88aから離間させることができ、その結果、L相およびN相の外部電源線の接続端子を接続部86a,88aから取り外すことができる。 The unlocking member 96 can push the lock springs 92 and 94 away from the respective phase connection portions 86a and 88a by pushing in. As a result, the connection terminals of the L-phase and N-phase external power supply lines are connected to the connection portions. It can be removed from 86a, 88a.
 また、端子部100は、接地用端子部102を備える。接地用端子部102は、例えば、銅板等の金属板をパンチ加工および折り曲げ加工して形成された接地用端子板104を含む。接地用端子板104の一端部には、ねじ105が螺合されており、このねじ105を用いて接地用外部電線を接地用端子部102に接続することができる。接地用端子板104の他端には接地用刃受ばね106が形成されている。この接地用刃受ばね106はコンセント本体カバー12の上部カバー12aの下段に形成された接地端子挿入口20cの内側に配置されている。これにより、接地端子挿入口20cから挿入された差込プラグの接地用端子が接地用端子板104に接続されるようになっている。 Further, the terminal unit 100 includes a grounding terminal unit 102. The ground terminal portion 102 includes a ground terminal plate 104 formed by punching and bending a metal plate such as a copper plate, for example. A screw 105 is screwed to one end of the ground terminal plate 104, and the ground external wire can be connected to the ground terminal portion 102 using the screw 105. A ground blade receiving spring 106 is formed at the other end of the ground terminal plate 104. The grounding blade receiving spring 106 is disposed inside a grounding terminal insertion port 20 c formed in the lower stage of the upper cover 12 a of the outlet body cover 12. As a result, the ground terminal of the plug inserted from the ground terminal insertion port 20 c is connected to the ground terminal plate 104.
 図10は、コンセントの温度センサ取付構造を示す斜視図である。図11は、図10の温度センサ取付構造を示す一部切り欠き平面図である。図12は、刃受ばねブロック42a,42bとボディ部材44とを示す分解斜視図である。図10ないし図12において、刃受ばねユニット40を構成する固定部材46の図示が省略されている。 FIG. 10 is a perspective view showing the temperature sensor mounting structure of the outlet. 11 is a partially cutaway plan view showing the temperature sensor mounting structure of FIG. FIG. 12 is an exploded perspective view showing the blade receiving spring blocks 42 a and 42 b and the body member 44. 10 to 12, the illustration of the fixing member 46 constituting the blade receiving spring unit 40 is omitted.
 図10ないし図12に示すように、刃受ばねユニット40は、L相用の刃受ばねブロック42aと、N相用の刃受ばねブロック42bと、これらの刃受ばねブロック42a,42bを支持するボディ部材44とを備える。各刃受ばねブロック42a,42bは、刃受ばねユニット40の幅方向中心線であるB-B線に対して対称な形状を有する。以下では、刃受ばねブロック42aについて説明するが、刃受ばねブロック42bについても同様である。 As shown in FIGS. 10 to 12, the blade receiving spring unit 40 supports an L-phase blade receiving spring block 42a, an N-phase blade receiving spring block 42b, and these blade receiving spring blocks 42a and 42b. And a body member 44. Each of the blade receiving spring blocks 42 a and 42 b has a symmetrical shape with respect to the BB line that is the center line in the width direction of the blade receiving spring unit 40. Hereinafter, the blade receiving spring block 42a will be described, but the same applies to the blade receiving spring block 42b.
 刃受ばねブロック42aは、2対の刃受ばね48と、各刃受ばね48を機械的に連結するとともに電気的に接続する連結部50と、連結部50の縁部から前後方向Yに沿って折り曲げ形成された接続端子部52とを一体に有する。そして、接続端子部52には、温度センサ54が取り付けられている。 The blade receiving spring block 42 a includes two pairs of blade receiving springs 48, a connecting portion 50 that mechanically connects and electrically connects each blade receiving spring 48, and an edge of the connecting portion 50 along the front-rear direction Y. And a connecting terminal portion 52 formed by bending. A temperature sensor 54 is attached to the connection terminal portion 52.
 本実施形態では、温度センサ54は、押圧部材の一例であるクリップ56によって挟持されて固定されている。これにより、温度センサ54が温度計測対象である刃受ばねブロック42aに密接して配置されている。クリップ56は、一対の挟持片56aと各挟持片56aを連結する連結部56bとを一体に有する。 In the present embodiment, the temperature sensor 54 is sandwiched and fixed by a clip 56 which is an example of a pressing member. Thus, the temperature sensor 54 is disposed in close contact with the blade receiving spring block 42a that is a temperature measurement target. The clip 56 integrally includes a pair of holding pieces 56a and a connecting portion 56b that connects the holding pieces 56a.
 このように温度センサ54がクリップ56によって挟持されることで温度計測対象である接続端子部52に密接した状態で取り付けられる。これにより、温度センサ54による温度計測精度が向上する。また、温度センサ54をクリップ56で接続端子部52に取り付けた状態で刃受ばねブロック42a,42bをボディ部材44に容易に組み付けることができる。 As described above, the temperature sensor 54 is sandwiched by the clip 56 so that the temperature sensor 54 is attached in close contact with the connection terminal portion 52 that is a temperature measurement target. Thereby, the temperature measurement accuracy by the temperature sensor 54 is improved. Further, the blade receiving spring blocks 42 a and 42 b can be easily assembled to the body member 44 with the temperature sensor 54 attached to the connection terminal portion 52 with the clip 56.
 温度センサ54は、サーミスタ、測温抵抗体、及び熱電対の何れかで構成されるのが好適であり、この場合、クリップ56は、サーミスタ、測温抵抗体、及び熱電対の何れかを温度計測対象である接続端子部52に密接させて取り付けている。また、温度センサ54と接続端子部52との間に熱伝導部材が介在されてもよい。熱伝導部材は、例えば、熱伝導性を有するシートやグリスなどの柔軟で薄い部材で構成されるのが好ましい。このような熱伝導部材を設けることで、温度センサ54が温度計測対象により密接した状態になりやすく、温度計測精度の向上に寄与することができる。 The temperature sensor 54 is preferably composed of any one of a thermistor, a resistance temperature detector, and a thermocouple. In this case, the clip 56 is configured to temperature any one of the thermistor, the resistance temperature detector, and the thermocouple. It is attached in close contact with the connection terminal portion 52 to be measured. Further, a heat conducting member may be interposed between the temperature sensor 54 and the connection terminal portion 52. The heat conducting member is preferably composed of a soft and thin member such as a sheet or grease having heat conductivity. By providing such a heat conducting member, the temperature sensor 54 is likely to be in closer contact with the temperature measurement object, which can contribute to improvement of temperature measurement accuracy.
 なお、本実施形態では、温度センサ54を押圧して温度計測対象である接続端子部52に密接させるための押圧部材としてクリップ56を用いた例を挙げたが、これに限定されるものではない。クリップ56に代えて、コイルばね、板ばね等の付勢部材を用いて温度センサを温度計測対象に押圧してもよい。 In the present embodiment, the example in which the clip 56 is used as the pressing member for pressing the temperature sensor 54 and bringing the temperature sensor 54 into close contact with the connection terminal portion 52 that is a temperature measurement target is described, but the present invention is not limited thereto. . Instead of the clip 56, the temperature sensor may be pressed against the temperature measurement object using an urging member such as a coil spring or a leaf spring.
 図13は、1つの刃受ばねブロック42aがボディ部材44に組付けられた状態を示す斜視図である。図14は、1つの刃受ばねブロック42aとボディ部材44とを示す分解斜視図である。なお、図13及び図14において、温度センサ54及びクリップ56の図示が省略されている。 FIG. 13 is a perspective view showing a state in which one blade receiving spring block 42 a is assembled to the body member 44. FIG. 14 is an exploded perspective view showing one blade receiving spring block 42 a and the body member 44. 13 and 14, the temperature sensor 54 and the clip 56 are not shown.
 図13及び図14に示すように、刃受ばねブロック(刃受部材)42aは、2対の刃受ばね48と、各刃受ばね48を機械的に連結するとともに電気的に接続する連結部50と、連結部50の縁部から前後方向Yに沿って折り曲げ形成された接続端子部52とを一体に有する。刃受ばね48は互いに対向する1対の刃受片を含む。各刃受片の先端は、略V字状に開くように外側へそれぞれ屈曲されている。これにより差込プラグの栓刃を1対の刃受片の間に確実に受け入れるようになっている。 As shown in FIG. 13 and FIG. 14, the blade receiving spring block (blade receiving member) 42 a includes two pairs of blade receiving springs 48 and a connecting portion that mechanically connects and electrically connects each blade receiving spring 48. 50 and a connection terminal portion 52 that is bent along the front-rear direction Y from the edge portion of the coupling portion 50. The blade receiving spring 48 includes a pair of blade receiving pieces facing each other. The tip of each blade receiving piece is bent outward so as to open in a substantially V shape. As a result, the plug blade of the plug is reliably received between the pair of blade receiving pieces.
 また、刃受ばねブロック42aは、1対の刃受片を含む刃受ばね48の両側に離間して設けられたU字状の屈曲ばね部49を一体に有している。屈曲ばね部49は、一対の刃受片の先端部と同じ側に屈曲部49aを有するとともに屈曲部49aから一対の刃受片の基端部側へ向かって延伸する一対の延伸部49bを有している。 Further, the blade receiving spring block 42a integrally has a U-shaped bent spring portion 49 provided on both sides of the blade receiving spring 48 including a pair of blade receiving pieces. The bending spring portion 49 has a bending portion 49a on the same side as the distal end portion of the pair of blade receiving pieces, and has a pair of extending portions 49b extending from the bending portion 49a toward the base end portions of the pair of blade receiving pieces. is doing.
 刃受ばねブロック42aは、ボディ部材44に収納されて配置される。ボディ部材44は、4つの凹部45を区画するように形成されている。凹部45を区画する内壁面のうち、幅方向Xの中央側に位置する壁面には2つのリブ47aが間隔をあけて且つ前後方向Yに延伸して形成されている。これらのリブ47aによってボディ部材44の強度を増大させることができる。 The blade receiving spring block 42 a is housed and disposed in the body member 44. The body member 44 is formed so as to partition the four recesses 45. Two ribs 47a are formed on the wall surface located on the center side in the width direction X among the inner wall surfaces defining the recess 45 so as to extend in the front-rear direction Y with a space therebetween. The strength of the body member 44 can be increased by these ribs 47a.
 また、凹部45を区画する内壁面のうち、上下方向Zに対向する内壁面にはリブ47bがそれぞれ対向して形成されている。これらのリブ47bは、図13に示すように、刃受ばねブロック42aがボディ部材44に組み付けられたとき、刃受ばね48の上下方向Zの両側に位置する屈曲ばね部49の一対の延伸部49bによって挟持された状態になっている。また、屈曲ばね部49の屈曲部49aは、リブ47bの端部に当接している。 Further, among the inner wall surfaces that define the recess 45, ribs 47b are formed to face each other on the inner wall surface facing the vertical direction Z. As shown in FIG. 13, these ribs 47 b are formed of a pair of extending portions of a bending spring portion 49 positioned on both sides in the vertical direction Z of the blade receiving spring 48 when the blade receiving spring block 42 a is assembled to the body member 44. 49b is sandwiched between them. Further, the bent portion 49a of the bent spring portion 49 is in contact with the end portion of the rib 47b.
 このように屈曲ばね部49の屈曲部49aがボディ部材44に形成されたリブ47bの端部に当接して組み付けられることで、刃受ばねブロック42aをボディ部材44に対して正確に位置決めした状態に組み付けることができる。また、屈曲ばね部49の一対の延伸部49bがリブ47bを挟持した状態となることで、刃受ばねブロック42aをボディ部材44に対して強固に組み付けることができる。 As described above, the blade receiving spring block 42a is accurately positioned with respect to the body member 44 by the bending portion 49a of the bending spring portion 49 being assembled in contact with the end of the rib 47b formed on the body member 44. Can be assembled. Further, since the pair of extending portions 49 b of the bending spring portion 49 sandwich the rib 47 b, the blade receiving spring block 42 a can be firmly assembled to the body member 44.
 また、コンセント10に挿抜される差込プラグに幅方向Xへの力が作用すると、一対の刃受片が異常に開くように塑性変形してしまって、栓刃と刃受片との接触圧が弱くなることがある。そうすると、接触不良による火花放電等が生じて、異常過熱の原因となることがある。これに対し、本実施形態のコンセント10では、刃受ばね48と一体に形成された屈曲ばね部49にリブ47bが挟持されていることで、上記のような開き力が作用しても一対の刃受片からなる刃受ばね48が異常に開き変形するのを防止または抑制することができる。 In addition, when a force in the width direction X acts on the insertion plug inserted into and removed from the outlet 10, the pair of blade receiving pieces are plastically deformed so as to open abnormally, and the contact pressure between the plug blade and the blade receiving piece is reduced. May become weaker. Then, spark discharge or the like due to poor contact may occur, which may cause abnormal overheating. On the other hand, in the outlet 10 of the present embodiment, the rib 47b is sandwiched between the bending spring portion 49 formed integrally with the blade receiving spring 48, so that even if the above opening force acts, It is possible to prevent or suppress the blade receiving spring 48 made of the blade receiving piece from abnormally opening and deforming.
 なお、本実施形態では凹部45の上下方向Zに対向する2つの内壁面にリブ47bをそれぞれ形成して屈曲ばね部49で挟持する例について説明したが、これに限定されるものではない。凹部45の前後方向Yの内壁面(すなわち凹部45の底面)に突出形成されたリブを屈曲ばね部49の一対の延伸部で挟持してもよいし、または、この底面に突出形成したリブを一対の刃受片の基端部(すなわち先端部とは反対側の端部)によって挟持する構成としてもよい。 In addition, although this embodiment demonstrated the example which each forms the rib 47b in the two inner wall surfaces facing the up-down direction Z of the recessed part 45, and it clamps with the bending spring part 49, it is not limited to this. A rib formed on the inner wall surface in the front-rear direction Y of the concave portion 45 (that is, the bottom surface of the concave portion 45) may be sandwiched between a pair of extending portions of the bending spring portion 49, or a rib formed on the bottom surface may be formed. It is good also as a structure clamped by the base end part (namely, edge part on the opposite side to a front-end | tip part) of a pair of blade receiving piece.
 図15は、端子部の一部を拡大して示す斜視図である。図15に示すように、温度計測用のプリント基板110を備えてもよい。プリント基板110には、温度センサ112a,112bが実装されている。温度センサ112a,112bは、例えば、サーミスタ、測温抵抗体、及び熱電対の何れかによって好適に構成される。温度センサ112a,112bは、熱伝導部材によって被覆されてプリント基板110上に設けられてもよい。この場合、温度センサ112a,112bは、熱伝導部材を介して温度計測対象であるL相固定端子板86、及び、N相固定端子板88に接合されている。熱伝導性部材は、熱伝導性を有する柔軟性樹脂であることが好ましい。これにより、温度センサ112a,112bがより密接に温度計測対象に接触し、温度計測精度を高めることができる。また、温度計測対象であるL相固定端子板86とN相固定端子板88との間の電気的絶縁をより確実なものにするため、熱伝導部材は絶縁性樹脂であることが好ましい。具体例として、熱伝導部材は、低硬度のアクリル樹脂を用いることができ、例えば、3M社製のハイパーソフト放熱シート(登録商標)6500H,6510H,5578Hなどを用いることができる。 FIG. 15 is an enlarged perspective view showing a part of the terminal portion. As shown in FIG. 15, a printed circuit board 110 for temperature measurement may be provided. Temperature sensors 112 a and 112 b are mounted on the printed circuit board 110. The temperature sensors 112a and 112b are preferably configured by any of a thermistor, a resistance temperature detector, and a thermocouple, for example. The temperature sensors 112a and 112b may be provided on the printed circuit board 110 while being covered with a heat conductive member. In this case, the temperature sensors 112a and 112b are joined to the L-phase fixed terminal plate 86 and the N-phase fixed terminal plate 88, which are the objects of temperature measurement, through a heat conducting member. The thermally conductive member is preferably a flexible resin having thermal conductivity. Thereby, temperature sensor 112a, 112b can contact temperature measurement object more closely, and can improve temperature measurement accuracy. Further, in order to ensure more reliable electrical insulation between the L-phase fixed terminal plate 86 and the N-phase fixed terminal plate 88 that are the objects of temperature measurement, the heat conducting member is preferably an insulating resin. As a specific example, a low-hardness acrylic resin can be used for the heat conducting member, for example, Hypersoft heat dissipation sheet (registered trademark) 6500H, 6510H, 5578H manufactured by 3M Company can be used.
 プリント基板110に実装された温度センサ112aはL相固定端子板86に接合されて設けられ、プリント基板110に実装された温度センサ112bはN相固定端子板88に接合されて設けられる。そして、温度センサ112aによって計測されたL相固定端子板86の温度は信号線114aを介して基板120に送信される。また、温度センサ112bによって計測されたN相固定端子板88の温度は信号線114bを介して基板120に送信される。 The temperature sensor 112a mounted on the printed circuit board 110 is provided bonded to the L-phase fixed terminal board 86, and the temperature sensor 112b mounted on the printed circuit board 110 is provided bonded to the N-phase fixed terminal board 88. The temperature of the L-phase fixed terminal plate 86 measured by the temperature sensor 112a is transmitted to the substrate 120 via the signal line 114a. Further, the temperature of the N-phase fixed terminal board 88 measured by the temperature sensor 112b is transmitted to the substrate 120 via the signal line 114b.
 基板120に設けられた制御装置は、温度センサ112a,112bで計測された固定端子温度が所定閾値温度を超えていないか否かを判定する。そして、制御装置は、固定端子板86,88の少なくとも一方の温度が所定閾値温度を超えたとき、コンセント10が過熱状態であると判定し、開閉ユニット70に信号線60cを介して作動信号を送信する。これにより、開閉ユニット70が作動して開路状態となり、刃受ばねブロック42a,42bへの電力供給が遮断される。ここでの所定閾値温度は、上述した刃受ばねブロック42a,42bの温度センサ54によって計測された温度と比較されるものと同じ値を用いることができる。 The control device provided on the substrate 120 determines whether or not the fixed terminal temperature measured by the temperature sensors 112a and 112b exceeds a predetermined threshold temperature. Then, when the temperature of at least one of the fixed terminal plates 86 and 88 exceeds a predetermined threshold temperature, the control device determines that the outlet 10 is in an overheated state, and sends an operation signal to the open / close unit 70 via the signal line 60c. Send. As a result, the opening / closing unit 70 is operated to be in an open circuit state, and power supply to the blade receiving spring blocks 42a and 42b is interrupted. As the predetermined threshold temperature, the same value as that compared with the temperature measured by the temperature sensor 54 of the blade receiving spring blocks 42a and 42b described above can be used.
 なお、本実施形態のコンセント10では、刃受ばねブロック42a,42bと、固定端子板86,88の両方に温度センサを配置したが、刃受ばねブロック42a,42b又は固定端子板86,88の何れか一方だけに温度センサを配置してもよい。 In the outlet 10 of the present embodiment, the temperature sensors are arranged on both the blade receiving spring blocks 42a and 42b and the fixed terminal plates 86 and 88. However, the blade receiving spring blocks 42a and 42b or the fixed terminal plates 86 and 88 You may arrange | position a temperature sensor only in either one.
 上述したように本実施形態のコンセント10は、次のようにして製造される。すなわち、まず、異常として過熱を検知するための回路が実装された基板120を選択する。あるいは、感震機能付きコンセントとする場合には、感震センサが実装された基板を選択する。あるいは、漏電検知機能を備えたコンセントの場合には、漏電検知センサ又は電流センサを含む回路が実装された基板を選択する。 As described above, the outlet 10 of the present embodiment is manufactured as follows. That is, first, the substrate 120 on which a circuit for detecting overheating as an abnormality is mounted is selected. Alternatively, when an outlet with a seismic function is used, a board on which a seismic sensor is mounted is selected. Alternatively, in the case of an outlet having a leakage detection function, a substrate on which a circuit including a leakage detection sensor or a current sensor is mounted is selected.
 続いて、負荷への電力供給をオンオフできる開閉ユニット70を基板120に信号線60cを介して接続する。 Subsequently, the opening / closing unit 70 capable of turning on / off the power supply to the load is connected to the substrate 120 via the signal line 60c.
 次に、差込プラグの栓刃が挿抜される刃受ばねブロック42a,42bと、外部電源線を接続するための端子部100とを開閉ユニット70にそれぞれ電気的に接続する。ここで、刃受ばねブロック42a,42bは、温度センサ54を取り付けた後、ボディ部材44に収納しておく。そして、基板120、開閉ユニット70、端子部100、及び、刃受ばねブロック42a,42bを共用のケース16に収納し、ケース16の開口部を覆ってカバー部材12を設ける。 Next, the blade receiving spring blocks 42a and 42b into which the plug blade of the plug is inserted and removed and the terminal portion 100 for connecting the external power supply line are electrically connected to the open / close unit 70, respectively. Here, the blade receiving spring blocks 42 a and 42 b are stored in the body member 44 after the temperature sensor 54 is attached. Then, the substrate 120, the opening / closing unit 70, the terminal unit 100, and the blade receiving spring blocks 42 a and 42 b are accommodated in the common case 16, and the cover member 12 is provided to cover the opening of the case 16.
 このように本実施形態のコンセント10及びその製造方法によれば、開閉ユニット70、ケース16、コンセント本体カバー12などを共用することができるので、異常を検知するため基板を変更するだけで、種々の異常に対応したコンセントを低コストで容易に製造できる。 As described above, according to the outlet 10 and the manufacturing method thereof according to the present embodiment, the opening / closing unit 70, the case 16, the outlet body cover 12, and the like can be shared. Can be easily manufactured at low cost.
 なお、本開示に係るコンセント及びその製造方法は、上述したものに限定されるものではなく、本願の特許請求の範囲に記載された事項の範囲内において種々の変更や改良が可能であることは勿論である。 Note that the outlet and the manufacturing method thereof according to the present disclosure are not limited to those described above, and various changes and improvements can be made within the scope of the matters described in the claims of the present application. Of course.
 2 化粧カバー、10 コンセント、12 コンセント本体カバー(カバー部材)、12a 上部カバー、12b 下部カバー、13 取付ピン、14 コンセント外側カバー(カバー部材)、14a 開口部、14b 貫通孔、14c 電源灯部分、14d 異常灯部分、15 取付穴、16 ケース、18a,18b 栓刃挿入部、20a,20b 栓刃挿入口、20c 接地端子挿入口、22 係合部、24 底面、25a,25b ケース内面、26 柱部、27 仕切り壁部、28,30,32 空間、29 支持突起部、40 刃受ばねユニット、42a,42b 刃受ばねブロック(刃受部材)、44 ボディ部材、45 凹部、46 固定部材、47a,47b リブ、48 刃受ばね、49 屈曲ばね部、49a 屈曲部、49b 延伸部、50 連結部、52 接続端子部、54,112a,112b 温度センサ、54a L相導線、54b N相導線、56 クリップ、56a 挟持片、56b 連結部、60a,60b,60c,62a,62b 信号線、70 開閉ユニット、71 操作レバー、72 ハウジング、73 コイル、74 可動鉄片、75 トリガーレバー、75a,76a,79a 軸部、76 支持レバー、77 作動板、78 押圧ばね、79 作動部材、81 L相可動端子板、82 L相可動端子部、83 N相可動端子板、84 N相可動端子部、86 L相固定端子板、86a L相接続部、87 L相固定端子部、88 N相固定端子板、88a N相接続部、89 N相固定端子部、96 解錠部材、100 端子部、102 接地用端子部、104 接地用端子板、110 プリント基板、114a,114b 信号線、120 基板、130 スイッチ盤、132 押しスイッチ、134 電源灯発光部、136 異常灯発光部。 2 cosmetic cover, 10 outlet, 12 outlet body cover (cover member), 12a upper cover, 12b lower cover, 13 mounting pin, 14 outlet outer cover (cover member), 14a opening, 14b through hole, 14c power light part, 14d abnormal light part, 15 mounting hole, 16 case, 18a, 18b plug blade insertion portion, 20a, 20b plug blade insertion port, 20c grounding terminal insertion port, 22 engagement portion, 24 bottom surface, 25a, 25b case inner surface, 26 pillars Part, 27 partition wall part, 28, 30, 32 space, 29 support projection part, 40 blade receiving spring unit, 42a, 42b blade receiving spring block (blade receiving member), 44 body member, 45 recessed part, 46 fixing member, 47a , 47b Rib, 48 Blade receiving spring, 49 Bending spring part, 49a Bending , 49b extending part, 50 connecting part, 52 connecting terminal part, 54, 112a, 112b temperature sensor, 54a L phase conducting wire, 54b N phase conducting wire, 56 clip, 56a clamping piece, 56b connecting part, 60a, 60b, 60c, 62a , 62b signal line, 70 opening / closing unit, 71 operation lever, 72 housing, 73 coil, 74 moving iron piece, 75 trigger lever, 75a, 76a, 79a shaft, 76 support lever, 77 operating plate, 78 pressing spring, 79 operating member , 81 L-phase movable terminal plate, 82 L-phase movable terminal portion, 83 N-phase movable terminal plate, 84 N-phase movable terminal portion, 86 L-phase fixed terminal plate, 86a L-phase connection portion, 87 L-phase fixed terminal portion, 88 N-phase fixed terminal board, 88a N-phase connection part, 89 N-phase fixed terminal part, 96 unlocking member, 100 end Department, 102 grounding terminal portion, 104 earth terminal plate, 110 a printed circuit board, 114a, 114b signal lines, 120 a substrate, 130 a switch board, 132 push switch, 134 the power lamp light emitting unit, 136 abnormal lamp emitting portion.

Claims (6)

  1.  複数の異常に対して少なくとも1つの部品が共用されてなるコンセントの製造方法であって、
     前記何れかの異常を検知するための回路が実装された基板を選択し、
     負荷への電力供給をオンオフでき、かつ、前記複数の異常に対して共用される開閉ユニットを、前記基板に信号線を介して接続し、
     差込プラグの栓刃が挿抜される刃受部材と、外部電源線を接続するための端子部とを、前記開閉ユニットにそれぞれ電気的に接続し、
     前記基板、前記開閉ユニット、前記端子部、及び、前記刃受部材を、共用のケースに収納し、
     前記ケースの開口部を覆ってカバー部材を設ける、
     コンセントの製造方法。
    A method of manufacturing an outlet in which at least one component is shared for a plurality of abnormalities,
    Select a board on which a circuit for detecting any of the above abnormalities is mounted,
    An open / close unit that can turn on / off power supply to a load and is shared for the plurality of abnormalities is connected to the substrate via a signal line,
    A blade receiving member into which the plug blade of the plug is inserted and removed, and a terminal portion for connecting an external power line are electrically connected to the open / close unit, respectively.
    The substrate, the opening / closing unit, the terminal portion, and the blade receiving member are housed in a common case,
    A cover member is provided to cover the opening of the case;
    Manufacturing method of outlet.
  2.  前記刃受および前記端子部の少なくとも一方に温度センサを取り付け、当該温度センサの信号線を前記基板に接続する、請求項1に記載のコンセントの製造方法。 The method of manufacturing an outlet according to claim 1, wherein a temperature sensor is attached to at least one of the blade holder and the terminal portion, and a signal line of the temperature sensor is connected to the substrate.
  3.  地震を検知する感震センサが実装された基板を選択する、請求項1又は2に記載のコンセントの製造方法。 3. The method of manufacturing an outlet according to claim 1, wherein a substrate on which a seismic sensor for detecting an earthquake is mounted is selected.
  4.  複数の異常に対して少なくとも1つの部品が共用されてなるコンセントであって、
     前記何れかの異常を検知するための回路が実装された基板と、
     負荷への電力供給をオンオフできると共に、前記基板と信号線を介して接続され、前記複数の異常に対して共用される開閉ユニットと、
     前記開閉ユニットに電気的に接続され、差込プラグの栓刃が挿抜される刃受部材と、
     前記開閉ユニットに電気的に接続され、外部電源線を接続するための端子部と、
     前記基板、前記開閉ユニット、前記端子部、及び、前記刃受部材を収納するケースと、
     前記ケースの開口部を覆って設けられるカバー部材と、を備える、コンセント。
    An outlet in which at least one part is shared for a plurality of abnormalities,
    A substrate on which a circuit for detecting any one of the abnormalities is mounted;
    An open / close unit that can turn on and off power supply to a load, is connected to the substrate via a signal line, and is shared for the plurality of abnormalities,
    A blade receiving member that is electrically connected to the open / close unit and into which a plug blade of an insertion plug is inserted and removed;
    Electrically connected to the open / close unit, and a terminal portion for connecting an external power line;
    A case for housing the substrate, the opening / closing unit, the terminal portion, and the blade receiving member;
    And a cover member provided to cover the opening of the case.
  5.  前記刃受および前記端子部の少なくとも一方に温度センサが取り付けられ、当該温度センサの信号線が前記基板に接続されている、請求項4に記載のコンセント。 The outlet according to claim 4, wherein a temperature sensor is attached to at least one of the blade holder and the terminal portion, and a signal line of the temperature sensor is connected to the substrate.
  6.  前記基板には地震を検知する感震センサが実装されている、請求項4又は5に記載のコンセント。 The outlet according to claim 4 or 5, wherein a seismic sensor for detecting an earthquake is mounted on the board.
PCT/JP2019/011045 2018-03-29 2019-03-18 Method of manufacturing electrical outlet and electrical outlet WO2019188463A1 (en)

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