EP3093926B1 - Prise male avec des capteurs de température - Google Patents

Prise male avec des capteurs de température Download PDF

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Publication number
EP3093926B1
EP3093926B1 EP16168684.5A EP16168684A EP3093926B1 EP 3093926 B1 EP3093926 B1 EP 3093926B1 EP 16168684 A EP16168684 A EP 16168684A EP 3093926 B1 EP3093926 B1 EP 3093926B1
Authority
EP
European Patent Office
Prior art keywords
power supply
temperature sensing
plug
plane
supply pins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16168684.5A
Other languages
German (de)
English (en)
Other versions
EP3093926A1 (fr
Inventor
Takashi Kawamoto
Takao Akioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP3093926A1 publication Critical patent/EP3093926A1/fr
Application granted granted Critical
Publication of EP3093926B1 publication Critical patent/EP3093926B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H01R24/30—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable with additional earth or shield contacts

Definitions

  • the present invention generally relates to plugs, and in particular to a plug for sensing heat generated at multiple power supply pins.
  • JP 2014-38785 A discloses a plug including a pair of plug pins (power supply pins) with round bar shapes, and a thermistor for sensing temperatures of the pair of plug pins.
  • the plug of Document 1 is capable of sensing heat generated in the pair of plug pins resulting from incorrect or incomplete contact between the plug and a receptacle.
  • the thermistor is considered far from the pair of the plug pins, and this may lead to a decrease in accuracy of sensing of heat generated at the pair of plug pins.
  • EP 2 706 628 A1 shows a power cord that includes a plug having blades configured to be inserted into blade insertion holes of an electrical outlet, respectively.
  • the power cord further includes thermal sensors provided for the blades. When a temperature detected with any of the thermal sensors is higher than a prescribed temperature, electric power is stopped from being supplied to a load from the blades.
  • EP 3 076 496 A1 (which is prior art under Article 54(3) EPC) shows a plug that includes a plug body which includes a front wall, and a peripheral wall protruding rearward from the front wall; a plurality of conductive pins housed in the plug body; an earth bracket which includes a pair of contact portions exposed from surfaces of the peripheral wall, and a joint portion joining the pair of contact portions in the plug body; and a plurality of temperature sensor elements which detect temperatures of the plurality of conductive pins.
  • the joint portion is bent into a shape having a recess which opens toward the front wall.
  • the recess forms at least a portion of a housing space for housing the plurality of temperature sensor elements between the front wall and the earth bracket.
  • An objective of the present invention would be to propose a plug of capable of sensing heat generated at multiple power supply pins accurately.
  • the plug of an embodiment of the invention includes: multiple power supply pins having round bar shapes and axial directions parallel to each other; and multiple temperature sensing elements for sensing temperatures of the multiple power supply pins, individually.
  • Each of the multiple temperature sensing elements has a flat temperature sensing face.
  • Each of the power supply pins has a contact having a round bar shape, a flange formed at one end of the contact, and an electric wire connection part at an end of flange opposite the contact.
  • Each of the power supply pins has a portion having a flat surface forming a plane which faces a respective one of the temperature sensing faces of the multiple temperature sensing elements without being in contact therewith.
  • the planes have a normal directions crossing the axial directions.
  • the flange has a round bar shape and having a diameter larger than that of the round bar shaped contact.
  • at least part of the flat surface forming the plane is provided by a recessed portion of the flange.
  • the flat surface forming the plane is present only at the electric wire connection part.
  • FIG. 1 is a section of the plug taken along A-A line of FIG. 4
  • FIG. 2 is a section of the plug taken along B-B line of FIG. 5 . Note that, in FIG. 2 , the structure of the plug is partially omitted.
  • the plug of the present embodiment is a plug in conformity with IEC 60309. As shown in FIG. 3 to FIG. 6 , the plug of the present embodiment includes multiple (in the present embodiment, two) power supply pins 10, a single grounding pin 20, a plug body 30, a temperature sensing unit 40, and a cable 50.
  • the two power supply pins 10 is referred to as the first power supply pin 10A, and the other is referred to as the second power supply pin 10B, if necessary.
  • the temperature sensing unit 40 includes multiple (in the present embodiment, two) temperature sensing elements 41 for sensing temperatures of the multiple power supply pins 10 individually, and a holder 42 for holding the multiple temperature sensing elements 41.
  • the first temperature sensing element 41A one of the two temperature sensing elements 41 is referred to as the first temperature sensing element 41A, and the other is referred to as the second temperature sensing element 41B, if necessary.
  • the first temperature sensing element 41A is placed in a vicinity of the first power supply pin 10A without being in contact (i.e., physical contact) with the first power supply pin 10A in order to sense the temperature of the first power supply pin 10A.
  • the second temperature sensing element 41B is placed in a vicinity of the second power supply pin 10B without being in contact (i.e., physical contact) with the second power supply pin 10B in order to sense the temperature of the second power supply pin 10B .
  • the temperature sensing element 41 includes a sensing part 411, and a pair of terminals (lead terminals) 412 and 413.
  • the sensing part 411 is for sensing a surrounding temperature.
  • the sensing part 411 has a flat plate shape.
  • the sensing part 411 has a temperature sensing face 414 which is flat.
  • the temperature sensing element 41 may be a thermistor and in particular a PTC thermistor, for example. Accordingly, the sensing part 411 has a resistance varying according to the surrounding temperature.
  • the holder 42 is made of electrically insulating resin.
  • the holder 42 has a plate shape.
  • the first temperature sensing element 41A and the second temperature sensing element 41B are attached to opposite faces of the holder 42, respectively.
  • the temperature sensing face 414 of each of the temperature sensing elements 41A and 41B is directed in an opposite direction to the holder 42.
  • terminal 413 of the first temperature sensing element 41A and the terminal 413 of the second temperature sensing element 41B are electrically connected together. This means the first temperature sensing element 41A and the second temperature sensing element 41B are connected in series with each other.
  • the cable 50 includes five electric wires 51 to 55, and a sheath 56 covering the five electric wires 51 to 55. At a first end of the cable 50, the five electric wires 51 to 55 are exposed from the sheath 56, and a second end of the cable 50 is to be connected to a desired device (e.g., a plug, and a receptacle).
  • a desired device e.g., a plug, and a receptacle
  • the five electric wires 51 to 55 are two (first and second) power supply wires 51 and 52, a grounding wire 53, and two (first and second) signal wires 54 and 55.
  • the first and second power supply wires 51 and 52 are voltage wires, for example.
  • the first and second power supply wires 51 and 52 are electrically connected to the first and second power supply pins 10A and 10B , respectively.
  • the grounding wire 53 is electrically connected to the grounding pin 20.
  • the first and second signal wires 54 and 55 are electrically connected to the temperature sensing unit 40.
  • the first signal wire 54 is electrically connected to the terminal 412 of the first temperature sensing element 41A
  • the second signal wire 55 is electrically connected to the terminal 412 of the second temperature sensing element 41B. This means that a series circuit of the first temperature sensing element 41A and the second temperature sensing element 41B is connected between the first signal wire 54 and the second signal wire 55.
  • each power supply pin 10 has a round bar shape and is made of metal.
  • each power supply pin 10 is a round pin.
  • Each power supply pin 10 includes a contact 11, an electric wire connection part 12, and a flange 13, for example.
  • the contact 11 has a round bar shape.
  • the contact 11 is used for making electrical connection with a receptacle corresponding to the plug of the present embodiment.
  • the flange 13 is formed at one end (rear end, i.e., a right end in FIG. 7 ) of the contact 11.
  • the flange 13 has a round bar shape with a larger diameter than the contact 11.
  • the flange 13 is used for positioning of the power supply pin 10.
  • the power supply pin 10 is positioned relative to the plug body 30 by the flange 13.
  • the electric wire connection part 12 is formed on an opposite side of the flange 13 from the contact 11.
  • the electric wire connection part 12 has an elongated flat plate shape.
  • the electric wire connection part 12 is used for making connection with the power supply wire 51 or the power supply wire 52.
  • each power supply pin 10 further includes a plane 14.
  • the plane 14 is provided in order to transfer heat generated at the power supply pin 10 to the temperature sensing element 41.
  • the plane 14 is a flat surface with a normal direction crossing (in the present embodiment, perpendicular to) an axial direction of the power supply pin 10. At least part of the plane 14 is present at the flange 13. In other words, to place the temperature sensing element 41 in a predetermined position relative to the plane 14, the plane 14 extends to exist at the flange 13.
  • the plane 14 is formed to extend from the flange 13 to the electric wire connection part 12. The plane 14 is larger in size than the temperature sensing face 414.
  • the plane 14 is larger than the temperature sensing face 414 in a first direction (a left and right direction in FIG. 7 and FIG. 8 ) which is parallel to the axial direction of the power supply pin 10.
  • a dimension D10 of the plane 14 in the first direction is greater than a dimension D11 of the temperature sensing face 414 in the first direction.
  • the plane 14 is larger than the temperature sensing face 414 in a second direction (an upward and downward direction in FIG. 8 and FIG. 9 ) which is perpendicular to the axial direction of the power supply pin 10 and the normal direction of the plane 14.
  • a dimension D20 of the plane 14 in the second direction is greater than a dimension D21 of the temperature sensing face 414 in the second direction.
  • the dimension D20 of the plane 14 in the second direction is defined as a minimum dimension of part of the plane 14 facing the temperature sensing face 414.
  • the multiple power supply pins 10 are placed so that the axial directions thereof are parallel to each other. Further, the planes 14 of the individual multiple power supply pins 10 are directed to a center of a space surrounded by the multiple power supply pins 10. In the present embodiment, the planes 14 of the individual two power supply pins 10 are directed to the center of the space surrounded by the two power supply pins 10 (in other words, a center point between the two power supply pins 10 in a plane perpendicular to the axial directions of the two power supply pins 10). This may mean that the planes 14 of the individual two power supply pins 10 face each other.
  • the grounding pin 20 has a round bar shape and is made of metal.
  • the grounding pin 20 includes a contact 21, an electric wire connection part 22, a flange 23, and a plane 24, as with the power supply pin 10.
  • the grounding pin 20 is larger than the power supply pin 10 as a whole.
  • the grounding pin 20 is placed so that an axial direction of the grounding pin 20 is parallel to the axial directions of the multiple power supply pins 10.
  • the plug body 30 includes a first cover (front cover) 31, a body block 32, a second cover (rear cover) 33, and a shell 34.
  • the first cover 31, the body block 32, the second cover 33, and the shell 34 each are made of electrically insulating resin.
  • the first cover 31 includes an accommodating part 311, a front wall 312, and a sleeve 313.
  • the accommodating part 311 has a hollow cylindrical shape, and includes openings at opposite ends (front and rear ends).
  • the accommodating part 311 mainly accommodates the body block 32.
  • the front wall 312 covers the opening in one end (front end) of the accommodating part 311.
  • the front wall 312 includes multiple (in the present embodiment, two) power supply pin insertion holes 314 and a grounding pin insertion hole 315.
  • one of the two power supply pin insertion holes 314 is referred to as a first power supply pin insertion hole 314A, and the other is referred to as a second power supply pin insertion hole 314B, if necessary,
  • the power supply pin insertion hole 314 has an inner diameter which is larger than an outer diameter of the contact 11 of the power supply pin 10 and is smaller than an outer diameter of the flange 13.
  • Each power supply pin 10 is accommodated in the accommodating part 311 with the contact 11 protruding outside the accommodating part 311 via the power supply pin insertion hole 314.
  • the grounding pin insertion hole 315 has an inner diameter which is larger than an outer diameter of the contact 21 of the grounding pin 20 and is smaller than an outer diameter of the flange 23.
  • the grounding pin 20 is accommodated in the accommodating part 311 with the contact 21 protruding outside the accommodating part 311 via the grounding pin insertion hole 315.
  • the sleeve 313 is formed on an opposite face (i.e., a front face) of the front wall 312 from the accommodating part 311.
  • the sleeve 313 has a hollow cylindrical shape to surround the two power supply pin insertion holes 314 and the grounding pin insertion hole 315 collectively.
  • the body block 32 includes a case 321.
  • the case 321 includes a front wall part 322, and two side wall parts (wall parts) 323 parallel to each other.
  • Each of the two side wall parts 323 has an outer face (a face directed to an outside of the case 321) 3231 and an inner face (a face directed to an inside of the case 321) 3232 which are flat surfaces.
  • the case 321 is designed to accommodate the temperature sensing unit 40.
  • the case 321 may have a rectangular box shape with an open face, for example.
  • one of the two side wall parts 323 is referred to as the first side wall part 323A, and the other is referred to as the second side wall part 323B.
  • the temperature sensing unit 40 is accommodated in the case 321 of the body block 32.
  • the two temperature sensing elements 41 of the temperature sensing unit 40 face the two side wall parts 323, individually.
  • the temperature sensing faces 414 of the individual temperature sensing elements 41 are in contact with the inner faces 3232 of the individual side wall parts 323.
  • the first temperature sensing element 41A faces the first side wall part 323A with the temperature sensing face 414 being in contact with the inner face 3232 of the first side wall part 323A.
  • the second temperature sensing element 41B faces the second side wall part 323B with the temperature sensing face 414 being in contact with the inner face 3232 of the second side wall part 323B.
  • the body block 32 is accommodated in the accommodating part 311 of the first cover 31, and is fixed to the front wall 312.
  • the body block 32 is fixed to the first cover 31 with two first screws 35 (shown in FIG. 3 ).
  • the front wall part 322 is opposite the front wall 312 of the first cover 31.
  • the flanges 13 of the power supply pins 10 and the flange 23 of the grounding pin 20 are held between the front wall part 322 and the front wall 312 of the first cover 31.
  • the two side wall parts 323 individually face the planes 14 of the two power supply pins 10.
  • the outer face 3231 of the side wall part 323 faces the plane 14 of the power supply pin 10 so as to be parallel thereto.
  • the plane 14 of the power supply pin 10 is not in contact with the side wall part 323.
  • a gap between the plane 14 of the power supply pin 10 and the side wall part 323 is set so that the plane 14 of the power supply pin 10 comes into contact with the side wall part 323 when the power supply pin 10 starts to rotate around its axis.
  • the plane 14 of the first power supply pin 10A prevents rotation of the first power supply pin 10A by coming into contact with the first side wall part 323A.
  • the plane 14 of the second power supply pin 10B prevents rotation of the second power supply pin 10B by coming into contact with the second side wall part 323B.
  • the plane 24 of the grounding pin 20 faces a bottom face of the case 321 so as to be parallel thereto.
  • the plane 24 of the grounding pin 20 is not in contact with the case 321.
  • a gap between the plane 24 of the grounding pin 20 and the case 321 is set so that the plane 24 of the grounding pin 20 comes into contact with the case 321 when the grounding pin 20 starts to rotate around its axis.
  • the plane 24 of the grounding pin 20 comes into contact with the case 321, and thereby rotation of the grounding pin 20 can be suppressed.
  • the two temperature sensing elements 41A and 41B face the planes 14 and 14 of the two power supply pins 10A and 10B , individually.
  • the temperature sensing faces 414 and 414 of the two temperature sensing elements 41A and 41B face the planes 14 and 14 of the two power supply pins 10A and 10B so as to be parallel thereto, individually.
  • the two side wall parts 323A and 323B are positioned between the planes 14 and 14 of the two power supply pins 10A and 10B and the two temperature sensing elements 41A and 41B, respectively.
  • the second cover 33 has a plate shape.
  • the second cover 33 is attached to the rear end of the accommodating part 311 of the first cover 31 so as to cover the opening in the rear end of the accommodating part 311. Further, the second cover 33 has a shape capable of being engaged with rear part of the body block 32.
  • the second cover 33 is fixed to the first cover 31 with two second screws 36.
  • the second cover 33 includes five through holes 331, 332, 333, 334, and 335 allowing the five electric wires 51, 52, 53, 54, and 55 of the cable 50 to pass therethrough, respectively.
  • the second cover 33 is formed integrally with the cable 50 by insert molding.
  • the shell 34 covers the accommodating part 311 of the first cover 31, the second cover 33, and the first end of the cable 50.
  • the shell 34 has a cylindrical shape.
  • the shell 34 is not a component formed in advance, but is a component formed by insert molding. Hence, the shell 34 is not illustrated in FIG. 3 .
  • the second cover 33 is formed integrally with the cable 50 by insert molding.
  • the first power supply wire 51 is connected to the electric wire connection part 12 of the first power supply pin 10A.
  • the second power supply wire 52 is connected to the electric wire connection part 12 of the second power supply pin 10B.
  • the grounding wire 53 is connected to the electric wire connection part 22 of the grounding pin 20.
  • the first signal wire 54 is connected to the terminal 412 of the first temperature sensing element 41A of the temperature sensing unit 40.
  • the second signal wire 55 is connected to the terminal 412 of the second temperature sensing element 41B of the temperature sensing unit 40.
  • the series circuit of the first temperature sensing element 41A and the second temperature sensing element 41B is connected between the first signal wire 54 and the second signal wire 55.
  • the second cover 33 is engaged with the body block 32.
  • the temperature sensing unit 40 is accommodated in the case 321 of the body block 32.
  • the first power supply pin 10A, the second power supply pin 10B , and the grounding pin 20 are placed in a vicinity of the case 321 (as shown in FIG. 2 ).
  • the first power supply pin 10A, the second power supply pin 10B , the grounding pin 20, and the body block 32 are accommodated in the accommodating part 311 of the first cover 31.
  • the first power supply pin 10A is accommodated in the accommodating part 311 so that the contact 11 passes through the first power supply pin insertion hole 314A and protrudes outside the accommodating part 311.
  • the second power supply pin 10B is accommodated in the accommodating part 311 so that the contact 11 passes through the second power supply pin insertion hole 314B and protrudes outside the accommodating part 311.
  • the grounding pin 20 is accommodated in the accommodating part 311 so that the contact 21 passes through the grounding pin insertion hole 315 and protrudes outside the accommodating part 311.
  • the body block 32 is fixed to the first cover 31 with the first screws 35 and 35.
  • the second cover 33 is fixed to the first cover 31 with the second screws 36 and 36.
  • the shell 34 is formed by insert molding.
  • the plug of the present embodiment includes: the multiple power supply pins 10 having round bar shapes and axial directions parallel to each other; and the multiple temperature sensing elements 41 for sensing temperatures of the multiple power supply pins 10, individually.
  • the multiple power supply pins 10 have the planes 14 with normal directions crossing the axial directions, individually.
  • the multiple temperature sensing elements 41 face the planes 14 of the multiple power supply pins 10 without being in contact therewith, individually.
  • the plug of the present embodiment is mainly different from the plug of Embodiment 1 in shapes of the multiple (in the present embodiment, two) power supply pins 10 and the single grounding pin 20. Hence, descriptions of the same components of the plug of the present embodiment as Embodiment 1 are omitted.
  • the power supply pin 10 includes the contact 11, the electric wire connection part 12, the flange 13, and the plane 14 which are similar to those of Embodiment 1.
  • the plane 14 is present at only the electric wire connection part 12.
  • the flange 13 has a smaller thickness (dimension in the forward and rearward direction) than that of Embodiment 1. This means that, in the present embodiment, part of the plane 14 is not present at the flange 13 and thus the flange 13 per se is thinned. In other words, the flange 13 is thinned so that the temperature sensing element 41 can be placed in a predetermined position relative to the plane 14.
  • the plane 14 is larger in size than the temperature sensing face 414.
  • the plane 14 is larger than the temperature sensing face 414 in the first direction (a left and right direction in FIG. 11 and FIG. 12 ) which is parallel to the axial direction of the power supply pin 10.
  • the dimension D10 of the plane 14 in the first direction is greater than the dimension D11 of the temperature sensing face 414 in the first direction.
  • the plane 14 is larger than the temperature sensing face 414 in the second direction (an upward and downward direction in FIG. 12 and FIG. 13 ) which is perpendicular to the axial direction of the power supply pin 10 and the normal direction of the plane 14.
  • the dimension D20 of the plane 14 in the second direction is greater than the dimension D21 of the temperature sensing face 414 in the second direction.
  • the dimension D20 of the plane 14 in the second direction is defined as the minimum dimension of the part of the plane 14 facing the temperature sensing face 414.
  • the power supply pin 10 includes a second plane 131 for preventing rotation thereof.
  • the second plane 131 is present at the flange 13, and is directed to an opposite direction to the plane 14.
  • the second plane 131 is used for preventing rotation of the power supply pin 10.
  • the first cover 31 includes one or more protrusions facing the second plane 131.
  • the power supply pin 10 is placed so that the second plane 131 is not in contact with the one or more protrusions.
  • a gap between the second plane 131 of the power supply pin 10 and the one or more protrusions is set so that the second plane 131 of the power supply pin 10 comes into contact with the one or more protrusions when the power supply pin 10 starts rotate around its axis.
  • the second plane 131 of the power supply pin 10 prevents rotation of the power supply pin 10 by coming into contact with the one or more protrusions.
  • the plane 14 of the power supply pin 10 prevents rotation of the power supply pin 10 by coming into contact with the side wall part 323.
  • rotation of the power supply pin 10 is prevented by the plane (first plane) 14 and the second plane 131 which are flat surfaces directed in opposite directions.
  • the grounding pin 20 includes the contact 21, the electric wire connection part 22, the flange 23, and the plane 24, in a similar manner to Embodiment 1 .
  • the plane 24 is present at only the electric wire connection part 22.
  • the flange 23 has a smaller thickness (dimension in the forward and rearward direction) than that of Embodiment 1 . This means that, in the present embodiment, part of the plane 24 is not present at the flange 23 and thus the flange 23 per se is thinned.
  • the grounding pin 20 includes a second plane 231 for preventing rotation thereof.
  • the second plane 231 is present at the flange 23, and is directed to an opposite direction to the plane 24.
  • the second plane 231 is used for preventing rotation of the grounding pin 20.
  • the first cover 31 includes one or more protrusions (second protrusions) facing the second plane 231. Therefore, the second plane 231 of the grounding pin 20 prevents rotation of the grounding pin 20 by coming into contact with the one or more protrusions (second protrusions).
  • the plane 24 of the grounding pin 20 prevents rotation of the grounding pin 20 by coming into contact with the case 321.
  • rotation of the grounding pin 20 is prevented by the plane (first plane) 24 and the second plane 231 which are flat surfaces directed in opposite directions.
  • the plug of the present embodiment as described above includes: the multiple power supply pins 10 having round bar shapes and axial directions parallel to each other; and the multiple temperature sensing elements 41 for sensing temperatures of the multiple power supply pins 10, individually.
  • the multiple power supply pins 10 have the planes 14 with normal directions crossing the axial directions, individually.
  • the multiple temperature sensing elements 41 face the planes 14 of the multiple power supply pins 10 without being in contact therewith, individually.
  • each of the multiple power supply pins 10 includes: the contact 11 having a round bar shape; the flange 13 at one end of the contact 11; and the electric wire connection part 12 at an opposite end of the flange 13 from the contact 11.
  • the plane 14 is present at only the electric wire connection part 12.
  • the second plane 131 of the present embodiment may be provided to the power supply pin 10 of Embodiment 1 .
  • the second plane 231 of the present embodiment may be provided to the grounding pin 20 of Embodiment 1 .
  • the plane (14) of the power supply pin (10) may be substantially the same in size as the temperature sensing face (414) of the temperature sensing element (41).
  • the plane (14) may be smaller in size than the temperature sensing face (414) of the temperature sensing element (41), as long as generated heat can be sensed accurately.
  • the dimension D10 of the plane 14 in the first direction may be substantially the same as the dimension D11 of the temperature sensing face 414 in the first direction.
  • the dimension D20 of the plane 14 in the second direction may be substantially the same as the dimension D21 of the temperature sensing face 414 in the second direction.
  • a whole of the plane (14) may be present at the flange (13). Additionally, the plane (14) may extend the entire length of the flange (13) in the axial direction of the power supply pin (10).
  • a plug of another embodiment according to the present invention may include three or more power supply pins (10) and one grounding pin (20).
  • the multiple power supply pins (10) may include one or more neutral pins.
  • the planes (14) of the multiple power supply pins (10) can be directed to a center of a space surrounded by the multiple power supply pins (10). For example, when there are three power supply pins (10), the planes (14) of the three power supply pins (10) are directed to a center of a space surrounded by the three power supply pins (10) (in other words, a center of a polygon with vertices given by the three power supply pins (10) in a plane perpendicular to the axial directions of the three power supply lines (10)).
  • the center of the space surrounded by the multiple power supply pins (10) is considered a center of a polygon with vertices given by the multiple power supply pins (10) in a plane perpendicular to the axial directions of the multiple power supply pins (10).
  • the planes (14) of the individual multiple power supply pins (10) may be directed in the same direction, or may be directed in an opposite direction to the center of the space surrounded by the multiple power supply pins (10).
  • a plug of another embodiment according to the present invention may not include the cable (50).
  • the plug may include a terminal block to be removably connected to the cable (50).
  • a plug of another embodiment according to the present invention may not include the shell (34).
  • the plug body (30) may be deferrable.
  • the temperature sensing element (41) may be an NTC thermistor.
  • the temperature sensing element (41) is not limited particularly.
  • Plugs of embodiments according to the present invention may not be in conformity with IEC 60309.
  • plugs of embodiments according to the present invention may be in conformity with a standard (e.g., CEE 7/7, CEE 7/16, CEE 7/17, and BS 546) other than IEC 60309.
  • a standard e.g., CEE 7/7, CEE 7/16, CEE 7/17, and BS 546, other than IEC 60309.
  • plugs of embodiments according to the present invention include at least two pins with round bar shapes.
  • the number of electric wires of the cable (50) may be changed depending on the number of power supply pins (10), presence or absence of grounding pins (20), and/or the like. Further, arrangement of pins (e.g., power supply pins and grounding pins) also may be changed depending on a standard.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (6)

  1. Prise comprenant :
    plusieurs broches d'alimentation de courant (10) ayant des formes de barre rondes et des directions axiales parallèles entre elles ; et
    plusieurs éléments de détection de température (41) pour détecter les températures de la pluralité de broches d'alimentation de courant (10) individuellement, dans laquelle chacun de la pluralité d'éléments de détection de température (41) a une face de détection de température plate (414) ;
    dans laquelle chacune des broches d'alimentation de courant (10) a un contact (11) ayant une forme de barre ronde, une bride (13) formée au niveau d'une extrémité du contact (11), et une partie de connexion de fil électrique (12) au niveau d'une extrémité de la bride (13) opposée au contact (11) ;
    dans laquelle chacune des broches d'alimentation de courant (10) a une partie ayant une surface plate formant un plan (14) qui fait face à une face respective des faces de détection de température (414) de la pluralité d'éléments de détection de température (41) sans être avec contact avec ces derniers, dans laquelle les plans (14) ont une direction normale coupant les directions axiales,
    caractérisée en ce que :
    dans chacune de la pluralité de broches d'alimentation de courant (10), la bride (13) a une forme de barre ronde et ayant un diamètre supérieur à celui du contact en forme de barre ronde (11), et
    en ce qu'au moins une partie de la surface plate formant le plan (14) est fournie par une partie évidée de la bride (13) ou la surface plate formant le plan (14) est présente uniquement au niveau de la partie de connexion de fil électrique (12).
  2. Prise selon la revendication 1, dans laquelle les directions normales des plans (14) de la pluralité de broches d'alimentation de courant (10) sont perpendiculaires à leurs directions axiales, individuellement.
  3. Prise selon la revendication 1, dans laquelle les plans (14) de la pluralité de broches d'alimentation de courant (10) sont supérieurs aux faces de détection de température (414) faisant face aux plans (14), individuellement.
  4. Prise selon l'une quelconque des revendications 1 à 3, dans laquelle les plans (14) de la pluralité de broches d'alimentation de courant (10) sont dirigés vers un centre d'un espace entouré par la pluralité de broches d'alimentation de courant (10).
  5. Prise selon l'une quelconque des revendications 1 à 4, comprenant en outre plusieurs parties de paroi (323) avec des propriétés électriquement isolantes, la pluralité de parties de paroi (323) étant entre les plans (14) de la pluralité de broches d'alimentation de courant (10) et la pluralité d'éléments de détection de température (41), individuellement.
  6. Prise selon la revendication 5, dans laquelle la pluralité de parties de paroi (323) empêche la rotation de la pluralité de broches d'alimentation de courant (10) en venant en contact avec les plans (14) de la pluralité de broches d'alimentation de courant (10).
EP16168684.5A 2015-05-12 2016-05-09 Prise male avec des capteurs de température Active EP3093926B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015097441A JP2016213118A (ja) 2015-05-12 2015-05-12 プラグ

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EP3093926A1 EP3093926A1 (fr) 2016-11-16
EP3093926B1 true EP3093926B1 (fr) 2022-03-23

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Publication number Priority date Publication date Assignee Title
CN106842207B (zh) * 2017-01-16 2019-07-09 业成科技（成都）有限公司 感测装置
KR102125249B1 (ko) * 2019-01-31 2020-06-23 통일전자공업(주) 플러그용 온도센서 어셈블리
AT523009B1 (de) * 2019-06-25 2021-11-15 Feller Gmbh Stecker
JP7068360B2 (ja) * 2020-02-04 2022-05-16 矢崎総業株式会社 コネクタ
CN112072412B (zh) * 2020-09-09 2022-07-26 菲尼克斯(南京)新能源汽车技术有限公司 带过温保护的插头组件

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3076496A1 (fr) * 2015-03-31 2016-10-05 Panasonic Intellectual Property Management Co., Ltd. Prise de courant avec capteur de témperature

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014038785A (ja) 2012-08-20 2014-02-27 Fuji Densen Kogyo Kk 防水プラグ、及び防水プラグ付コード
JP6497602B2 (ja) * 2012-09-11 2019-04-10 パナソニックＩｐマネジメント株式会社 電源コード

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3076496A1 (fr) * 2015-03-31 2016-10-05 Panasonic Intellectual Property Management Co., Ltd. Prise de courant avec capteur de témperature

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EP3093926A1 (fr) 2016-11-16
JP2016213118A (ja) 2016-12-15
CN106159516A (zh) 2016-11-23
CN106159516B (zh) 2019-11-08

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