WO2024181314A1 - コンセント、及び、コンセントプラグユニット - Google Patents

コンセント、及び、コンセントプラグユニット Download PDF

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Publication number
WO2024181314A1
WO2024181314A1 PCT/JP2024/006595 JP2024006595W WO2024181314A1 WO 2024181314 A1 WO2024181314 A1 WO 2024181314A1 JP 2024006595 W JP2024006595 W JP 2024006595W WO 2024181314 A1 WO2024181314 A1 WO 2024181314A1
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WO
WIPO (PCT)
Prior art keywords
terminal
insertion depth
outlet
detection unit
plug
Prior art date
Application number
PCT/JP2024/006595
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
由彦 伊藤
賢 菅井
明男 小里
文彦 星野
栗木　幹代
Original Assignee
株式会社豊田中央研究所
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 株式会社豊田中央研究所 filed Critical 株式会社豊田中央研究所
Priority to JP2025503845A priority Critical patent/JPWO2024181314A1/ja
Publication of WO2024181314A1 publication Critical patent/WO2024181314A1/ja

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks

Definitions

  • the present invention relates to an outlet and an outlet plug unit.
  • Patent Document 1 discloses an attachment plug for receiving power from a DC power source, which is capable of easily detecting the magnitude of the voltage required in an electronic device.
  • the attachment plug in Patent Document 1 includes a regulation pin for specifying the magnitude of the DC operating voltage, and an electrode pin for receiving the DC operating voltage, and the regulation pin is made longer in the insertion depth direction as the magnitude of the DC operating voltage increases.
  • the present invention has been made to solve at least some of the problems described above, and aims to provide an outlet that does not require an AC adapter or voltage control circuit on the plug side, can supply a voltage according to the connected electronic device, and can suppress the occurrence of arc discharge.
  • the present invention has been made to solve at least some of the problems described above, and can be realized in the following form.
  • an outlet includes a plurality of receiving sections into which a plurality of terminals provided on an attachment plug are respectively inserted, a detection section for detecting, for at least one of the receiving sections, the insertion depth of the terminal inserted into the receiving section and terminal information of the terminal, a conversion section for converting the detected insertion depth and the terminal information into a voltage command value, and a voltage generation section for changing the DC voltage supplied to the attachment plug in accordance with the voltage command value.
  • the conversion unit converts the insertion depth of the terminal inserted into the receiving unit and the terminal information into a voltage command value, and the voltage generation unit changes the DC voltage supplied to the plug in accordance with the voltage command value.
  • the conversion unit can determine the magnitude of the voltage (rated voltage) required for the operation of the electronic device connected via the plug using the terminal information, and can determine the magnitude of the voltage supplied depending on the degree of insertion of the plug into the outlet using the insertion depth of the terminal.
  • it is possible to provide an outlet that does not require an AC adapter or voltage control circuit on the plug side is capable of supplying a voltage according to the connected electronic device, and is capable of suppressing the occurrence of arc discharge.
  • the detection unit may have a sensor that acquires a change in a physical property on a first surface of the terminal of the plug, the physical property of which gradually changes in the direction of insertion of the terminal.
  • the detection section can perform analog detection of the insertion depth of the terminal and the terminal information by utilizing the first surface, which is provided on the first surface of the terminal of the attachment plug and whose physical property changes gradually.
  • the first surface is a surface inclined in the insertion direction of the terminal
  • the detection unit further has a contact pin that contacts the first surface
  • the sensor acquires a protruding height of the contact pin
  • the contact pin is biased toward the first surface
  • the protruding height of the contact pin is variable according to changes in the contact position of the contact pin relative to the first surface
  • the detection unit detects the insertion depth of the terminal using the protruding height of the contact pin acquired by the sensor
  • the protruding height of the contact pin when the insertion depth is maximum may be regarded as the terminal information.
  • the detection section can utilize the inclination provided on the first surface of the terminal of the attachment plug to perform analog detection of the insertion depth of the terminal and the terminal information.
  • the detection unit may comprise a plurality of engaged portions provided on a first surface of the terminals of the plug, the engaged portions being arranged at positions that enable the insertion depth of the terminals to be uniquely identified by 2 n different digital signals when the first surface is divided into n rows in which the terminals have the same insertion depth and m columns in which the terminals have different insertion depths, n engaging portions that engage with each other, and n switches that acquire whether or not each of the engaging portions is engaged with each of the engaged portions, and the detection unit may detect the insertion depth of the terminals using digital signals represented by the ON/OFF states of the n switches, where ON of the switches is 1 and OFF of the switches is 0, and the digital signal value when the insertion depth is maximum may be regarded as the terminal information.
  • the detection section can detect the insertion depth of the terminal using a digital signal by utilizing the engaged portion provided on the first surface of the terminal of the attachment plug, and can also obtain terminal information.
  • the engaged portion and the engaging portion may be realized by a concave-convex engaging structure. According to this configuration, the engaged portion and the engaging portion can be configured to be of a contact type.
  • the engaged portion has a different light reflection, absorption, or transmission characteristic from portions other than the engaged portion
  • the engaging portion may be a photoelectric sensor having a light-emitting portion and a light-receiving portion. According to this configuration, the engaged portion and the engaging portion can be configured in a non-contact manner.
  • a magnet may be disposed in the engaged portion, and the engaging portion may be a magnetic sensor.
  • the engaged portion and the engaging portion can be configured in a non-contact manner.
  • a member for changing a dielectric constant may be disposed in the engaged portion, and the engaging portion may be a capacitance sensor.
  • the engaged portion and the engaging portion can be configured in a non-contact manner.
  • the detection unit includes a first detection unit that detects, for a first receiving portion, an insertion depth of a first terminal inserted into the first receiving portion and terminal information of the first terminal, and a second detection unit that detects, for a second receiving portion different from the first receiving portion, an insertion depth of a second terminal inserted into the second receiving portion and terminal information of the second terminal
  • the conversion unit includes a first conversion unit that converts the insertion depth and the terminal information detected by the first detection unit into a voltage command value, and a second conversion unit that converts the insertion depth and the terminal information detected by the second detection unit into a current command value or a power command value
  • the voltage generation unit may change a DC voltage to be supplied to the attachment plug in accordance with the voltage command value, and change a current or power in accordance with the current command value or the power command value.
  • an outlet plug unit comprising: an outlet according to the above aspect; and an attachment plug having a plurality of the terminals. According to this configuration, it is possible to provide an outlet plug unit having an outlet and an attachment plug.
  • the present invention can be realized in various forms, such as an outlet, an outlet plug unit including an outlet and an insertion plug, a method for supplying direct current to an outlet, a method for manufacturing an outlet, etc.
  • FIG. 1 is an explanatory diagram illustrating the configuration of an outlet plug unit according to one embodiment of the present invention
  • FIG. 2 is an explanatory diagram illustrating the configuration of an attachment plug.
  • FIG. 4 is a diagram illustrating a detection unit.
  • FIG. 2 is a diagram illustrating a conversion unit.
  • 13 is an explanatory diagram illustrating the configuration of an outlet plug unit according to a second embodiment.
  • FIG. 11 is a diagram illustrating a detection unit according to a second embodiment.
  • 13 is an explanatory diagram illustrating the configuration of an outlet plug unit according to a third embodiment.
  • FIG. 13A and 13B are diagrams illustrating a detection unit according to a third embodiment.
  • 13A and 13B are diagrams illustrating a detection unit according to a third embodiment.
  • FIG. 2 is a diagram illustrating a conversion unit.
  • 13 is an explanatory diagram illustrating the configuration of an outlet plug unit according to a fourth embodiment.
  • First Embodiment 1 is an explanatory diagram illustrating the configuration of an outlet plug unit 1 according to an embodiment of the present invention.
  • the outlet plug unit 1 includes an attachment plug 10 and an outlet 20.
  • the outlet plug unit 1 is a device for supplying power from a "DC power source 30" such as a solar power generation system or a fuel cell to an "electronic device 40" such as a home appliance or a personal computer.
  • the outlet plug unit 1 of this embodiment has a configuration described below, and is therefore capable of supplying a rated voltage according to the electronic device 40 without requiring an AC adapter or a voltage control circuit on the attachment plug 10 side, and is also capable of reducing the occurrence of arc discharge that conventionally occurs when the attachment plug 10 is inserted or removed, or when the attachment plug 10 falls off.
  • the attachment plug 10 is provided at the end of a cable extending from the electronic device 40, and is electrically connected to the electronic device 40.
  • the attachment plug 10 receives DC voltage from the outlet 20 by inserting a terminal (described in detail below) provided at the end into the receptacle 21 of the outlet 20. This DC voltage is supplied to the electronic device 40 via the attachment plug 10 and the cable, and is used to operate the electronic device 40.
  • the outlet 20 is electrically connected to the DC power source 30 and receives a DC voltage from the DC power source 30.
  • the outlet 20 includes a receiving portion 21, a detection portion 22, a conversion portion 23, and a voltage generation portion 24.
  • the receiving portion 21 is a recess into which the terminals of the plug 10 are inserted.
  • the plug 10 of this embodiment has three terminals: a positive terminal, a negative terminal, and an earth terminal. Therefore, the receiving portion 21 of the outlet 20 has a receiving portion 211 for the positive terminal, a receiving portion 212 for the negative terminal, and a receiving portion 213 for the earth terminal, which respectively correspond to the three terminals of the plug 10, as shown in the dashed line bubble in FIG. 1.
  • the detection unit 22 detects the insertion depth of the terminal inserted into the receptacle 21 and the terminal information.
  • the "terminal information” is information used to identify the rated voltage of the electronic device 40, which differs for each individual device.
  • the “rated voltage” refers to the magnitude of the voltage required for the operation of the electronic device 40.
  • the “insertion depth of the terminal” is information for suppressing the occurrence of arc discharge caused by a DC voltage of the rated voltage being supplied to the plug 10 when the plug 10 is not fully inserted into the receptacle 21, such as when the plug 10 is being inserted or removed from the outlet 20.
  • the conversion unit 23 converts the insertion depth and terminal information detected by the detection unit 22 into a voltage command value.
  • the voltage generation unit 24 changes the DC voltage supplied to the plug 10 in accordance with the voltage command value calculated by the conversion unit 23. Details of the detection unit 22, conversion unit 23, and voltage generation unit 24 will be described later.
  • the outlet 20 may be configured as a socket installed on a wall or floor, or as a table tap type socket housed in a housing.
  • FIG. 2 is an explanatory diagram illustrating the configuration of the plug 10.
  • FIG. 2(A) shows a front view of the plug 10
  • FIG. 2(B) shows the configuration of the plug 10 as viewed from the direction A in FIG. 2(A).
  • the plug 10 has a terminal 11 and a gripping portion 12.
  • the gripping portion 12 is a portion that is gripped by the user when inserting or removing the plug 10 from the outlet 20.
  • the terminal 11 is a connection terminal provided on the tip surface of the plug 10, and has three terminals: a positive terminal 111, a negative terminal 112, and an earth terminal 113.
  • FIG. 3 is a diagram illustrating the detection unit 22.
  • the detection unit 22 of the outlet 20 detects the insertion depth of one terminal of the attachment plug 10 (specifically, the earth terminal 113 shown on the right side of FIG. 3) and terminal information.
  • one of the side surfaces of the earth terminal 113 is provided with a protrusion 113p that protrudes from the side surface.
  • the outer surface of the protrusion 113p is referred to as the "first surface S1.”
  • the first surface S1 of the protrusion 113p is inclined toward the insertion direction of the earth terminal 113. In other words, the physical properties of the first surface S1 gradually change toward the insertion direction of the earth terminal 113.
  • the detection unit 22 has a contact pin 221 and a sensor 222 provided in the receiving unit 21 (specifically, the receiving unit 213 for the earth terminal shown in the speech bubble in Fig. 1).
  • the receiving unit 21 has one set of contact pins 221 and sensor 222 built in.
  • the contact pin 221 is a cylindrical member, and its tip is in contact with the first surface S1 of the earth terminal 113.
  • the contact pin 221 is also biased toward the first surface S1 of the earth terminal 113 by an internal elastic body (such as a spring).
  • an internal elastic body such as a spring.
  • the protruding height of the contact pin 221 gradually decreases as the earth terminal 113 is inserted deeper into the receiving portion 213 (the earth terminal 113 is inserted along the white arrow). This is because the first surface S1, with which the tip of the contact pin 221 is in contact, is inclined, and the protruding height of the contact pin 221 changes in accordance with the change in the contact position of the contact pin 221 relative to the first surface S1.
  • the sensor 222 is a displacement sensor that acquires the amount of movement of the contact pin 221 to acquire the protruding height of the contact pin 221.
  • the detection unit 22 detects the insertion depth of the earth terminal 113 into the receiving portion 213 using the protruding height of the contact pin 221 acquired by the sensor 222. In the example of FIG. 3, as the protruding height of the contact pin 221 decreases, the insertion depth of the earth terminal 113 increases. Furthermore, the detection unit 22 regards the protruding height of the contact pin 221 when the insertion depth of the earth terminal 113 is at its maximum as the terminal information.
  • the terminal information (the protruding height of the contact pin 221 when the insertion depth is at its maximum) changes depending on the height T of the protruding portion 113p of the earth terminal 113.
  • FIG. 4 is a diagram illustrating the conversion unit 23.
  • the conversion unit 23 increases the voltage command value as shown in the figure, and when the insertion depth A is at its maximum, the voltage command value is set to the rated voltage B.
  • the voltage generation unit 24 then supplies a DC voltage according to the voltage command value determined by the conversion unit 23 as described above to the attachment plug 10.
  • the voltage command value is 0 V, and the voltage command value increases in proportion to the insertion depth of the earth terminal 113 into the receptacle 213.
  • the voltage command value changes (increases and decreases) gradually as the attachment plug 10 is inserted and removed from the outlet 20, suppressing the occurrence of arc discharge and ensuring high safety.
  • the rated voltage B (V) is supplied to the attachment plug 10 only when the attachment plug 10 is completely inserted into the outlet 20, thereby avoiding the risk of electric shock and the like.
  • the conversion unit 23 converts the insertion depth and terminal information of the earth terminal 113 inserted into the receiving portion 213 into a voltage command value, and the voltage generation unit 24 changes the DC voltage supplied to the plug 10 according to this voltage command value. Therefore, the conversion unit 23 can determine the magnitude of the voltage (rated voltage) required for the operation of the electronic device 40 connected via the plug 10 based on the terminal information, and can determine the magnitude of the voltage supplied according to the degree of insertion of the plug 10 (specifically the earth terminal 113) into the outlet 20 based on the insertion depth of the earth terminal 113.
  • an outlet 20 that does not require an AC adapter or a voltage control circuit on the plug 10 side, is capable of supplying a voltage according to the connected electronic device 40, and is capable of suppressing the occurrence of arc discharge.
  • the detection unit 22 can analogically detect the insertion depth and terminal information of the earth terminal 113 by utilizing the inclination provided on the first surface S1 of the earth terminal 113 of the attachment plug 10. Furthermore, according to the outlet 20 of the first embodiment, since a combination of outlets 20 of existing shapes can be used, the versatility of the outlet 20 can be improved and the manufacturing cost of the outlet 20 can be reduced.
  • Second Embodiment 5 is an explanatory diagram illustrating the configuration of an outlet plug unit 1A of the second embodiment.
  • the outlet plug unit 1A of the second embodiment has an attachment plug 10A instead of the attachment plug 10 in the configuration described in the first embodiment, and has an outlet 20A instead of the outlet 20.
  • the outlet 20A has a detector 22A instead of the detector 22 of the first embodiment.
  • FIG. 6 is a diagram for explaining the detection unit 22A of the second embodiment.
  • the plug 10A has an earth terminal 113A instead of the earth terminal 113 of the first embodiment.
  • the earth terminal 113A does not have a protrusion 113p, and one of the side surfaces is an inclined surface inclined in the insertion direction of the earth terminal 113A. In the second embodiment, this inclined surface is called the "first surface S1.”
  • FIG. 6 illustrates an example in which the entire side surface of the earth terminal 113A is an inclined surface (first surface S1).
  • the earth terminal 113A may have a groove in a part of one side surface that extends in the insertion direction of the earth terminal 113A and has a bottom surface that is an inclined surface (first surface S1).
  • the detection unit 22A has a pair of contact pins 221A and a sensor 222A provided in the receiving unit 213. Similar to the contact pin 221 of the first embodiment, the tip of the contact pin 221A is in contact with the first surface S1 of the earth terminal 113A and is biased toward the first surface S1. On the other hand, the protruding height of the contact pin 221A gradually changes as the insertion depth of the earth terminal 113A into the receiving unit 213 increases.
  • Sensor 222A is a displacement sensor that acquires the amount of movement of contact pin 221A, similar to sensor 222 in the first embodiment, to acquire the protruding height of contact pin 221A.
  • Detection unit 22A detects the insertion depth of earth terminal 113A into receiving portion 213 using the protruding height of contact pin 221A acquired by sensor 222A. In the example of FIG. 6, as the protruding height of contact pin 221A increases, the insertion depth of earth terminal 113A increases (i.e., the relationship is the opposite of that in the first embodiment). Furthermore, detection unit 22A regards the protruding height of contact pin 221A when the insertion depth of earth terminal 113A is at its maximum as terminal information.
  • the terminal information (protruding height of contact pin 221A when the insertion depth is at its maximum) changes according to recess length T of earth terminal 113A.
  • the configuration of the attachment plug 10A and the outlet 20A can be modified in various ways, and the first surface S1 can be realized by modifying the shape of the earth terminal 113A itself without providing a protrusion 113p in the attachment plug 10A, and the insertion depth of the contact pin 221A and the earth terminal 113A in the outlet 20A can be in the opposite relationship to that in the first embodiment.
  • the same effects as those of the first embodiment described above can be achieved.
  • Third Embodiment 7 is an explanatory diagram illustrating the configuration of an outlet plug unit 1B of the third embodiment.
  • the outlet plug unit 1B of the third embodiment has an attachment plug 10B instead of the attachment plug 10 in the configuration described in the first embodiment, and an outlet 20B instead of the outlet 20.
  • the outlet 20B has a detection unit 22B instead of the detection unit 22 of the first embodiment, and a conversion unit 23B instead of the conversion unit 23.
  • FIGS. 8 and 9 are diagrams for explaining the detection unit 22B of the third embodiment.
  • FIG. 8(A) is a diagram showing an example of an attachment plug 10B.
  • FIG. 8(B) is a diagram showing an example of the detection unit 22B.
  • FIG. 8(C) is a diagram for explaining the detection of insertion depth by the detection unit 22B.
  • the attachment plug 10B has a plurality of engaged portions on one of the side surfaces of the earth terminal 113B.
  • the side surface of the earth terminal 113B on which the engaged portions are formed is referred to as the "first surface S1.”
  • the engaged parts P11, P12, and P13 are provided in the first, second, and third rows, respectively.
  • the engaged parts P21 and P22 are provided in the first and second rows.
  • the engaged parts P31 and P33 are provided in the first and third rows.
  • the engaged part P41 is provided in the first row.
  • the engaged parts P52 and P53 are provided in the second and third rows.
  • the engaged part P62 is provided in the second row.
  • the engaged part P73 is provided in the third row.
  • no engaged part is provided at the position P8 with the shallowest insertion depth.
  • the combination of row positions at which the engaged parts are formed is unique at each of the positions P1, P2, ..., P8.
  • Each engaged portion is a convex portion protruding from the first surface S1 of the ground terminal 113B, as shown in FIG.
  • the detection unit 22B has three engagement parts 221B and three switches 222B provided on the receiving part 213.
  • the engagement parts 221B have a first engagement part 221B1 for engaging with any of the engaged parts in the first row of the earth terminal 113B, a second engagement part 221B2 for engaging with any of the engaged parts in the second row of the earth terminal 113B, and a third engagement part 221B3 for engaging with any of the engaged parts in the third row of the earth terminal 113B.
  • the switches 222B have first to third switches 222B1 to 222B3.
  • the second switch 222B2 is a switch that is ON when the second engagement portion 221B2 engages with the engaged portion, and is OFF otherwise.
  • the third switch 222B3 is a switch that is ON when the third engagement portion 221B3 engages with the engaged portion, and is OFF otherwise.
  • the detection unit 22B detects the insertion depth of the earth terminal 113B using digital signals represented by the ON/OFF states of three switches 222B.
  • the digital signal value detected by the switches 222B changes from 000 to 001, 010, 011, 100, 101, 110, and 111.
  • the detection unit 22B also sets the digital signal value (i.e., 111) when the earth terminal 113B is inserted to the maximum depth as the terminal information.
  • the terminal information changes according to the amount of information assigned to the first surface S1 of the earth terminal 113B.
  • FIG. 10 is a diagram explaining the conversion unit 23B.
  • the conversion unit 23B can determine the rated voltage value B (V) according to the terminal information acquired by the detection unit 22B. Furthermore, as the insertion depth A (mm) acquired by the detection unit 22B becomes deeper, in other words as the digital signal value changes from 000 to 001, 010, 011, 100, 101, 110, 111, the conversion unit 23B increases the voltage command value as shown in the figure, and when the insertion depth A is at its maximum, the voltage command value becomes the rated voltage B.
  • the configuration of the plug 10B and the socket 20B can be modified in various ways, and the detector 22B can detect the insertion depth of the earth terminal 113B and terminal information using a digital signal that indicates whether or not multiple engaged parts on the plug 10B are engaged with multiple engaging parts on the socket 20B.
  • the outlet plug unit 1B of the third embodiment can achieve the same effects as the first embodiment described above. Furthermore, in the outlet 20B of the third embodiment, the detection unit 22B can detect the insertion depth of the earth terminal 113B using a digital signal by utilizing the engaged portion provided on the first surface S1 of the earth terminal 113 of the attachment plug 10B, and can also obtain terminal information. Furthermore, in the outlet 20B of the third embodiment, the engaged portion of the attachment plug 10B and the engaging portion of the outlet 20B are realized by a concave-convex engaging structure, so that the engaged portion and the engaging portion can be configured as a contact type.
  • Fourth Embodiment 11 is an explanatory diagram illustrating the configuration of an outlet plug unit 1C of the fourth embodiment.
  • the outlet plug unit 1C of the fourth embodiment has an attachment plug 10C instead of the attachment plug 10 and an outlet 20C instead of the outlet 20 in the configuration described in the first embodiment.
  • the outlet 20C has a detection unit 22C instead of the detection unit 22, a conversion unit 23C instead of the conversion unit 23, and a voltage generation unit 24C instead of the voltage generation unit 24.
  • the attachment plug 10C has, in addition to the earth terminals 113, 113A, 113B (hereinafter simply referred to as "earth terminal 113") having the configuration described in any of the first to third embodiments, either a1 or a2 as follows.
  • (a1) A positive terminal 111 having an inclined surface or an engaged portion for detecting the insertion depth of the positive terminal 111 into the receiving portion 211 using a method similar to any of the first to third embodiments.
  • (a2) A negative terminal 112 having an inclined surface or an engaged portion for detecting the insertion depth of the negative terminal 112 into the receiving portion 212 using a method similar to any of the first to third embodiments.
  • the detection unit 22C has a first detection unit and a second detection unit.
  • the first detection unit detects the insertion depth of the earth terminal 113 by the method described in any one of the first to third embodiments.
  • the second detection unit detects the insertion depth of the positive electrode terminal 111 or the negative electrode terminal 112 by the same method as any one of the first to third embodiments.
  • the detection method employed in the first detection unit and the detection method employed in the second detection unit may be different.
  • the first detection unit may detect the insertion depth of the earth terminal 113 by the method described in the first embodiment
  • the second detection unit may detect the insertion depth of the positive electrode terminal 111 or the negative electrode terminal 112 by the method described in the third embodiment.
  • the conversion unit 23C has a first conversion unit and a second conversion unit.
  • the first conversion unit converts the insertion depth and terminal information of the earth terminal 113 detected by the first detection unit into a voltage command value by a method described in any one of the first to third embodiments.
  • the second conversion unit converts the insertion depth and terminal information of the positive electrode terminal 111 or the negative electrode terminal 112 detected by the second detection unit into a current command value by a method similar to any one of the first to third embodiments. Note that the second conversion unit may convert into a power command value instead of a current command value.
  • the voltage generating unit 24C changes the DC current supplied to the plug 10C according to the voltage command value determined by the first conversion unit, and also changes it according to the current command value (or power command value) determined by the second conversion unit.
  • the configuration of the plug 10C and the socket 20C can be modified in various ways, and the detector 22C may be configured to detect the insertion depth and terminal information of the positive terminal 111 into the receptacle 211, and may be configured to detect the insertion depth and terminal information of the negative terminal 112 into the receptacle 212.
  • the converter 23C may calculate a command value (current command value, power command value, etc.) different from the voltage command value using the insertion depth and terminal information of the positive terminal 111 and the insertion depth and terminal information of the negative terminal 112.
  • the voltage generator 24C may use these multiple command values to change the DC voltage supplied to the plug 10C.
  • the outlet plug unit 1C of the fourth embodiment can achieve the same effects as the first embodiment described above. Furthermore, in the outlet 20C of the fourth embodiment, the first detection unit and the first conversion unit change the DC voltage supplied to the attachment plug 10C, and the second detection unit and the second conversion unit can further change the current or power supplied to the attachment plug 10C.
  • the earth terminal 113 is used to detect the insertion depth of the terminal and terminal information. Unlike the positive electrode terminal 111 and the negative electrode terminal 112, no current flows through the earth terminal 113, and therefore the earth terminal 113 is suitable for detecting the insertion depth.
  • the positive electrode terminal 111 may be used to detect the insertion depth of the terminal and terminal information
  • the negative electrode terminal 112 may be used to detect the insertion depth of the terminal and terminal information.
  • the conversion unit 23 may instruct the voltage generation unit 24 to use the most recent voltage command value, or may instruct the voltage generation unit 24 to use a preset specified value.
  • the conversion unit 23 may in addition to the most recent voltage command value or the specified value instruct the voltage generation unit 24 to use an interpolation value that complements the output of the previous position and the next position. The interpolation value can be determined in advance.
  • the first surface S1 is inclined in the insertion direction of the earth terminal 113, 113A, and the insertion depth and terminal information are obtained using the contact pin 221 and the sensor 222, 222A.
  • the insertion depth and terminal information may be obtained by giving a change in physical properties other than the "inclination of the surface" to the first surface S1.
  • the first surface S1 may be configured so that the optical characteristics (which may be any of light transmission, light reflection, and light absorption) change in the terminal insertion direction, and a photoelectric sensor may be used to obtain the insertion depth and terminal information.
  • the first surface S1 may be configured so that the magnetic characteristics change in the terminal insertion direction, and a magnetic sensor may be used to obtain the insertion depth and terminal information.
  • the first surface S1 may be configured so that the dielectric constant changes in the terminal insertion direction, and a capacitance sensor may be used to obtain the insertion depth and terminal information.
  • the outlet 20 may further have a mechanism for suppressing the occurrence of a phenomenon in which the voltage changes suddenly when the insertion or removal of the attachment plug 10 begins, due to a step formed on the tip side of the protruding portion 113p of the earth terminal 113.
  • This mechanism can be realized, for example, by combining a separate pin for detecting that the contact pin 221 has come into contact with the first surface S1 with a switch.
  • a concave-convex engagement structure in other words, a case where the engaged portion and the engaging portion are realized mechanically, is exemplified.
  • the configuration of the engaged portion and the engaging portion can be changed in various ways, and for example, it may be in at least one of the following modes b1 to b3. In this way, a non-contact type engaged portion and engaging portion can be realized.
  • the engaging portion 221B is a photoelectric sensor having a light emitter and a light receiver. In this way, due to the difference in optical characteristics on the ground terminal 113B side, the detection value by the engaging portion 221B differs between when the engaged portion and the engaging portion are engaged and when they are not engaged. As a result, a digital signal value can be obtained by the optical engaged portion and the engaging portion, as in the third embodiment.
  • the engaging part 221B is a magnetic sensor that detects the magnetic force generated by the magnet.
  • Capacitive type A member is disposed in the engaged portion indicated by diagonal hatching in Fig. 8(A) to change the dielectric constant compared to the non-engaged portion.
  • the engaging portion 221B is a capacitance sensor that detects the dielectric constant.
  • the detection value by the engaging portion 221B differs between when the engaged portion and the engaging portion are engaged and when they are not engaged.
  • a digital signal value can be obtained by the capacitive engaged portion and the engaging portion, as in the third embodiment.
  • the third embodiment an example was shown in which 2 3 types of digital signals were expressed using a 3 ⁇ 8 matrix array.
  • the number of matrices can be changed arbitrarily, and 2 n types of digital signals may be expressed using an n ⁇ m (n and m are arbitrary natural numbers) matrix array.
  • n and m are arbitrary natural numbers
  • four types of digital signals, 00, 01, 10, and 11, may be expressed using a 2 ⁇ 2 matrix array.
  • the rated voltage identified by the conversion unit 23B is 1/2 of B (V) described in the third embodiment.
  • an engaged portion is provided on the plug 10 and an engaging portion is provided on the outlet 20.
  • an engaging portion may be provided on the plug 10 and an engaged portion may be provided on the outlet 20.
  • the detection unit 22 may detect the insertion depth of the terminal for the ground terminal 113 by a concave-convex engagement structure (FIGS. 8 and 9), detect the insertion depth of the terminal for the positive electrode terminal 111 by an optical method, and detect the insertion depth of the terminal for the negative electrode terminal 112 by a magnetic method.
  • An electrical outlet a plurality of receiving portions into which a plurality of terminals provided on the attachment plug are respectively inserted; a detection unit that detects, for at least one of the receiving portions, an insertion depth of the terminal inserted into the receiving portion and terminal information of the terminal; a conversion unit that converts the detected insertion depth and the terminal information into a voltage command value; a voltage generating unit that changes a DC voltage to be supplied to the attachment plug in accordance with the voltage command value; Equipped with a power outlet.
  • the outlet according to Application Example 1 The detection unit is an outlet having a sensor that acquires changes in physical properties on a first surface of the terminal of the plug, the physical properties of which gradually change in the insertion direction of the terminal.
  • the first surface is a surface inclined toward an insertion direction of the terminal, The detection unit is Further, the contact pin is in contact with the first surface, The sensor acquires a protruding height of the contact pin, the contact pin is biased toward the first surface, and a protruding height of the contact pin is variable in response to a change in a contact position of the contact pin with respect to the first surface;
  • the detection unit detects the insertion depth of the terminal using the protrusion height of the contact pin obtained by the sensor, and the protrusion height of the contact pin when the insertion depth is maximum is used as the terminal information.
  • the detection unit is a plurality of engaged portions provided on a first surface of the terminals of the attachment plug, the engaged portions being respectively arranged at positions that allow the insertion depth of the terminals to be uniquely specified by 2 n digital signals when the first surface is divided into n rows in which the insertion depths of the terminals are the same and m columns in which the insertion depths of the terminals are different; and n engaging portions that respectively engage with the plurality of engaged portions; n switches for acquiring the presence or absence of engagement of each of the engaging portions with each of the engaged portions, The detection unit detects the insertion depth of the terminal using digital signals represented by the ON/OFF states of the n switches, where ON of the switch is 1 and OFF of the switch is 0, and the digital signal value when the insertion depth is maximum is used as the terminal information.
  • the detection unit is a first detection unit configured to detect, for a first receiving portion, an insertion depth of the first terminal inserted into the first receiving portion and terminal information of the first terminal; a second detection unit configured to detect, for a second receiving portion different from the first receiving portion, an insertion depth of the second terminal inserted into the second receiving portion and terminal information of the second terminal,
  • the conversion unit is a first conversion unit that converts the insertion depth and terminal information detected by the first detection unit into a voltage command value; a second conversion unit that converts the insertion depth and terminal information detected by the second detection unit into a current command value or a power command value,
  • the voltage generating unit changes the DC voltage to be supplied to the plug in accordance with the voltage command value, and changes the current or

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
PCT/JP2024/006595 2023-02-28 2024-02-22 コンセント、及び、コンセントプラグユニット WO2024181314A1 (ja)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002319446A (ja) * 2001-04-20 2002-10-31 Auto Network Gijutsu Kenkyusho:Kk 端 子
JP2005108450A (ja) * 2003-09-26 2005-04-21 Nippon Telegr & Teleph Corp <Ntt> コンセントソケット
JP2005108451A (ja) * 2003-09-26 2005-04-21 Nippon Telegr & Teleph Corp <Ntt> 電源プラグ
JP2011091027A (ja) * 2009-09-28 2011-05-06 Tdk Corp 差込プラグ、プラグ受けおよび配線用差込接続器
JP2016174517A (ja) * 2015-01-30 2016-09-29 ソニー株式会社 電流制限回路、直流電力供給コネクタ及び直流電源装置
JP2019220275A (ja) * 2018-06-15 2019-12-26 パナソニックＩｐマネジメント株式会社 監視システム、及びコンセント
JP2023507015A (ja) * 2019-12-19 2023-02-20 フェニックス コンタクト ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト ラインアセンブリの延長部を使用して、直流電流接続を切断するときのアーク放電を回避する技術

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002319446A (ja) * 2001-04-20 2002-10-31 Auto Network Gijutsu Kenkyusho:Kk 端 子
JP2005108450A (ja) * 2003-09-26 2005-04-21 Nippon Telegr & Teleph Corp <Ntt> コンセントソケット
JP2005108451A (ja) * 2003-09-26 2005-04-21 Nippon Telegr & Teleph Corp <Ntt> 電源プラグ
JP2011091027A (ja) * 2009-09-28 2011-05-06 Tdk Corp 差込プラグ、プラグ受けおよび配線用差込接続器
JP2016174517A (ja) * 2015-01-30 2016-09-29 ソニー株式会社 電流制限回路、直流電力供給コネクタ及び直流電源装置
JP2019220275A (ja) * 2018-06-15 2019-12-26 パナソニックＩｐマネジメント株式会社 監視システム、及びコンセント
JP2023507015A (ja) * 2019-12-19 2023-02-20 フェニックス コンタクト ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト ラインアセンブリの延長部を使用して、直流電流接続を切断するときのアーク放電を回避する技術

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