WO2016021358A1 - 交流直流共用プラグ及び交流直流共用機器 - Google Patents
交流直流共用プラグ及び交流直流共用機器 Download PDFInfo
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- WO2016021358A1 WO2016021358A1 PCT/JP2015/069554 JP2015069554W WO2016021358A1 WO 2016021358 A1 WO2016021358 A1 WO 2016021358A1 JP 2015069554 W JP2015069554 W JP 2015069554W WO 2016021358 A1 WO2016021358 A1 WO 2016021358A1
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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
- 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
- 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
- H01R13/08—Resiliently-mounted rigid pins or blades
-
- 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
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/08—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode arranged for operation in parallel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Definitions
- This disclosure relates to an AC / DC shared plug and an AC / DC shared device.
- a device including such an AC power supply circuit incorporates a power factor correction circuit in addition to a full-wave rectifier circuit (see, for example, Patent Document 1).
- an apparatus having such an AC power supply circuit operates by converting AC to DC and receiving DC current. Therefore, a device including an AC power supply circuit adapted to various voltages and power supply frequencies can be operated by applying a sufficient DC voltage as it is. Therefore, it is considered that the number of devices that operate by receiving power from a DC power source as well as an AC power source will increase in the future.
- the present disclosure proposes a new and improved AC / DC shared plug and AC / DC shared device that can easily prevent erroneous insertion into the plug receptacle.
- At least one pair of connection terminals is provided, and at least one of the at least one pair of connection terminals is in a first state when inserted into a socket that supplies AC power, and DC power
- An AC / DC common plug is provided that is rotatable about the direction of insertion into the socket so as to have a second state different from the first state when inserted into the socket supplying.
- an AC / DC shared device that operates with the power received by the AC / DC shared plug.
- a power factor correction circuit is incorporated in addition to a full-wave rectifier circuit.
- FIG. 1 is an explanatory diagram showing an example of the configuration and effects of an AC power supply circuit.
- the PFC (Power Factor controller) circuit is not provided in the AC power supply circuit, the current waveform is distorted and noise due to harmonic distortion is generated.
- Equipment with an AC power supply circuit that incorporates a full-wave rectifier circuit and a power factor correction circuit operates by converting AC to DC internally. Therefore, a device including an AC power supply circuit adapted to various voltages and power supply frequencies can be operated by applying a sufficient DC voltage (for example, about 100 V to 230 V) as it is.
- the DC plug that receives DC power from the DC power supply has the same structure as the AC plug that receives AC power from the AC power supply, It is effective from the viewpoint of user convenience to be able to handle both AC and DC.
- the setting on the device side is basically set by the user. However, if the user makes a mistake or forgets the setting, for example, when the power from the DC power supply is being received, the plug is incorrectly inserted into the socket (plug receptacle) to which the power from the AC power supply is supplied. If it does, problems, such as a short circuit and the breaker cutting
- the DC power plug has a shape different from that of the AC power plug, and the plug receiving hole has a different shape depending on whether AC power is supplied or DC power is supplied. It is desirable that
- the DC power plug has a different shape from the AC power plug, for example, preparing two types of power plugs by preparing an adapter or the like requires adding a detachable structure to the plug or device. This leads to an increase in manufacturing costs. Further, if the user loses the adapter, there is a possibility that only one power can be received.
- the present disclosure has intensively studied a plug that can be safely used for both alternating current and direct current, and a device that includes the plug, although it has a simple configuration.
- the present inventors have devised a plug that can safely handle both alternating current and direct current, and a device that includes the plug, while having a simple configuration.
- FIG. 2 is an explanatory diagram illustrating an overview of an embodiment of the present disclosure.
- FIG. 2 shows an example of a case where a certain power consumer can receive both power from the existing commercial AC power supply 10 and power from the DC power supply 20.
- a battery server provided with a power storage device may be used.
- a battery server may be configured to store electric power generated by natural energy, such as a solar power generation system or a wind power generation system.
- Such a battery server may be configured to receive DC power from another battery server provided in another consumer or to transmit DC power to another battery server.
- the plug receiver 11 for receiving AC power supplied from the AC power supply 10 and the DC power supplied from the DC power supply 20 are received from the viewpoint of avoiding danger due to erroneous plug insertion. Therefore, the insertion holes are different from each other.
- FIG. 2 shows an AC / DC shared device 200 that operates by inserting the plug 100 into the plug receptacle for both AC and DC.
- the AC / DC shared device 200 is not limited to a specific device, and is configured to operate regardless of whether AC power or DC power is supplied internally.
- the AC / DC shared device 200 may include a full-wave rectifier circuit so that it can operate with either DC power or AC power.
- the AC / DC shared device 200 suppresses the power peak, improves the power factor, reduces unnecessary radiation, and boosts a wide range of input voltage to the same internal voltage so that it can operate with either DC power or AC power.
- a PFC circuit may be provided.
- the AC / DC shared device 200 may include a DC / DC conversion circuit that can handle a wide range of voltage inputs so that it can operate with either DC power or AC power. An internal configuration example of the AC / DC shared device 200 will be described in detail later.
- the plug 100 includes at least a pair of connection terminals. At least a pair of connection terminals provided in the plug 100 are in a first state when the blade is inserted into the plug receiver 11 that supplies AC power and when inserted into the plug receiver 21 that supplies DC power. And a second state different from the first state. At least a pair of connection terminals provided in the plug 100 is characterized in that it can rotate around the insertion direction into the plug receptacle.
- the plug 100 may be provided with a mechanism for notifying the AC / DC shared device 200 of whether the blade is in the first state or the second state.
- the AC / DC shared device 200 in order to increase the efficiency of the DC / DC conversion circuit, it may be considered that parameter setting is required when AC power is input and when DC power is input.
- the user can notify the AC / DC shared device 200 from the plug 100 which state is the first state or the second state. It is possible to notify the IC (Integrated Circuit) that controls the DC / DC conversion circuit whether the plug 100 is in the first state or the second state simply by changing the state of. .
- IC Integrated Circuit
- the plug 100 can be in the first state or the first state. It is also possible to notify the IC that controls the PFC circuit of which of the two states.
- the plug 100 is provided with at least a pair of connection terminals as described above, thereby avoiding the danger of erroneous plug insertion. That is, in order to insert the plug 100 into the plug receiver 11, the user needs to set the pair of connection terminals of the plug 100 in a state suitable for the shape of the insertion hole of the plug receiver 11. If the state of the pair of connection terminals of the plug 100 is in a state of receiving DC power, the user cannot insert the plug 100 into the plug receiver 11.
- the user in order to insert the plug 100 into the plug receptacle 21, the user needs to set the pair of connection terminals of the plug 100 in a state suitable for the shape of the insertion hole of the plug receptacle 21. If the state of the pair of connection terminals of the plug 100 is in a state of receiving AC power, the user cannot insert the plug 100 into the plug receiver 21.
- FIG. 3 is an explanatory view showing the shape of a flat blade type plug for receiving the existing AC power as a front view as seen from the front direction (ie, the direction seen from the plug receiving side).
- FIG. 4 is an explanatory diagram showing the shape of a plug receptacle (socket) for supplying existing AC power as viewed from the front direction (that is, the direction in which the plug is inserted).
- the plug shown in FIG. 3 has two blades and one ground terminal.
- the plug receiver shown in FIG. 4 has insertion holes into which two blades and one ground terminal are inserted.
- the shape of the plug for receiving AC power is determined by various standards. For example, in the US NEMA (National Electrical Manufacturers Association) standard, the shape of the blade of the plug differs depending on the combination of the rated current and the rated voltage.
- US NEMA National Electrical Manufacturers Association
- FIG. 3 shows a 5-15P type with a rated current of 15A, a rated voltage of 125V, a rated current of 20A, a 5-20P type with a rated voltage of 125V, a rated current of 15A, a 6-15P type with a rated voltage of 250V, and a rated current of 20A.
- a 6-20P type plug with a voltage of 250V is shown.
- the shape of the plug receptacle for supplying AC power is determined by various standards.
- the shape of the insertion hole of the two blades of the plug differs depending on the combination of the rated current and the rated voltage as in the plug.
- FIG. 4 shows a 5-20R type plug receiver with a rated current of 20A and a rated voltage of 125V and a 6-20R type plug receiver with a rated current of 20A and a rated voltage of 250V.
- the plug for receiving DC power and the plug receiver for supplying DC power are a flat blade type plug for receiving existing AC power and a plug receiver for supplying AC power as described above. It is desirable that at least two blades and insertion holes into which the two blades are inserted have different shapes. Examples of plugs and plug receptacles for supplying DC power are shown below.
- FIG. 5 is an explanatory diagram showing an example of the shape of a flat blade type plug for receiving DC power as viewed from the front direction (ie, the direction viewed from the plug receiving side).
- FIG. 6 is an explanatory view showing the shape of a plug receiver (socket) for supplying DC power as viewed from the front (that is, the direction in which the plug is inserted).
- the direction of the blade of the flat blade type plug for receiving the existing AC power is oriented in the vertical or horizontal direction.
- the direction of the blade of the flat blade type plug for receiving DC power is desirably a direction that is neither horizontal nor vertical, for example, an oblique direction, as shown in FIG.
- FIG. 5 shows an example of a plug having a rated current of 15A and a rated voltage of 125V to 250V and an example of a plug having a rated current of 20A and a rated voltage of 125V to 250V.
- the plug receptacle 21 which supplies direct-current power has an insertion hole which can insert the plug shown in FIG.
- the plug receiver 21 shown in FIG. 6 is configured to output DC power having a rated current of 20 A and a rated voltage of 125 V to 250 V to the plug.
- the plug receptacle 21 has a cross-shaped insertion hole as shown in FIG. 6 so that both of the two types of plugs shown in FIG. 5 can be inserted.
- the plug according to an embodiment of the present disclosure is compatible with both the existing plug receiver for supplying AC power as shown in FIG. 4 and the plug receiver 21 for supplying DC power shown in FIG.
- the blade 100 can take at least two states of the first state and the second state.
- FIG. 7 is an explanatory diagram showing a front view of the shape of the plug 100 according to an embodiment of the present disclosure as viewed from the front direction (that is, the direction viewed from the plug receiving side).
- a plug 100 according to an embodiment of the present disclosure includes two blades 101 a and 101 b that are an example of a pair of connection terminals, and a ground terminal 102.
- the blades 101a and 101b are provided on the plug 100 so as to be rotatable about the direction of insertion into the plug receptacle. Since the blades 101a and 101b are rotatable around the insertion direction into the plug receptacle, the plug 100 can take two states as shown in FIG.
- the plug 100 may be provided with a rotation switch for detecting whether the blades 101a and 101b are in the first state or the second state.
- the rotary switch will be described in detail later.
- the range of the rotation angle of the blades 101a and 101b may be restricted so that only two states can be taken as shown in FIG.
- the plug 100 is provided with the blades 101a and 101b so as to be rotatable around the insertion direction into the plug receiver, so that the existing AC power shown in FIG. 4 is supplied. And the plug receiver for supplying DC power shown in FIG.
- FIGS. 8 and 9 are explanatory diagrams showing examples of the state of the blades 101a and 101b.
- a user who uses a device including the plug 100 according to an embodiment of the present disclosure rotates the blades 101a and 101b around the insertion direction of the plug receiver as shown in FIGS. 8 and 9, for example.
- the plug 100 can be inserted into both the plug receptacle for supplying existing AC power and the plug receptacle for supplying DC power shown in FIG.
- the other When the blades 101a and 101b are rotated, when one is rotated, the other may be rotated in conjunction with the other. In that case, the rotation direction of the blade rotated in conjunction with the rated current may be determined.
- the blade directions are parallel to each other, but in the AC plug with a rated current of 20A, the blade directions are perpendicular to each other.
- the blades 101a and 101b of the plug 100 are freely rotatable with respect to each other, for example, when the rated current of the AC / DC shared device 200 is set to 15A, the blades 101a and 101b. May be set by the user in the same direction as an AC plug with a rated current of 20A.
- the rotation direction of the blade rotated in conjunction with the rated current may be determined. That is, the blades 101a and 101b may be rotatably provided in the plug 100 in opposite directions when the rated current is 15A and in the same direction when 20A.
- FIG. 10 is an explanatory diagram illustrating a functional configuration example of the AC / DC shared device 200 according to an embodiment of the present disclosure.
- FIG. 10 shows an example of the functional configuration of the AC / DC shared device 200 that operates regardless of whether AC power or DC power is supplied from the plug 100.
- FIG. 10 shows a state where the AC / DC shared device 200 receives AC power from the AC power supply 10.
- a functional configuration example of the AC / DC shared device 200 according to the embodiment of the present disclosure will be described with reference to FIG. 10.
- the AC / DC shared device 200 includes an AC line filter 210, a step-up PFC circuit 220, a DC-DC converter 230, and a control unit 240. Consists of.
- the AC line filter 210 is a filter that removes noise that may occur in the power line inside the AC / DC shared device 200.
- a filter for common mode noise using a capacitor and a coil can be used.
- the AC / DC shared device 200 is provided with a full-wave rectifier circuit after the AC line filter 210 so that DC power is supplied to the step-up PFC circuit 220.
- the step-up PFC circuit 220 is a circuit for improving the power factor of the power source, and in this embodiment, a step-up PFC circuit in a current continuous mode is used.
- the step-up PFC circuit 220 includes a switching element such as an inductor (step-up coil), a diode, a MOSFET (Metal Oxide Semiconductor Effect Transistor) or an IGBT (Insulated Gate Bipolar Transistor), a smoothing capacitor, and the like.
- the boost PFC circuit 220 changes the power factor conversion efficiency between when AC power is supplied and when DC power is supplied according to an instruction from the control unit 240 described later. ing.
- the step-up PFC circuit 220 can be provided with a smoothing circuit that converts the DC waveform of the power converted by the full-wave rectifier circuit into a flat waveform.
- the step-up PFC circuit 220 includes a switching element such as a MOSFET to improve the power factor of the power source.
- a switching element such as a MOSFET to improve the power factor of the power source.
- the step-up PFC circuit 220 has a power factor between when AC power is supplied and when DC power is supplied. The conversion efficiency can be changed.
- the DC-DC converter 230 converts the DC power output from the step-up PFC circuit 220 and converts it into a voltage suitable for the operation of the AC / DC shared device 200.
- a forward-type isolated DC-DC converter is used as the DC-DC converter 230.
- the DC-DC converter 230 changes the voltage conversion operation between when AC power is supplied and when DC power is supplied according to an instruction from the control unit 240 described later.
- the parameter setting of the DC-DC converter 230 is changed by the control unit 240, for example, when AC power is input and when DC power is input.
- the DC-DC converter 230 includes a switching element such as a MOSFET and performs voltage conversion by the switching operation of the switching element.
- the on / off control of the switching element such as a MOSFET is changed by the control unit 240, so that the DC-DC converter 230 performs voltage conversion between when AC power is supplied and when DC power is supplied. The operation can be changed.
- the control unit 240 controls the step-up PFC circuit 220 and the DC-DC converter 230.
- a switching signal is output in response to turning on / off of the rotary switch 110 that is an example of the signal output unit of the present disclosure provided in the plug 100.
- the control unit 240 uses the switching signal output in response to the turning on / off of the rotary switch 110, so that the state of the blades 101a and 101b of the plug 100 is inserted into the plug receiver that supplies AC power. It is possible to detect which state is the second state when the state is inserted into the plug receiver that supplies DC power.
- FIG. 11 is an explanatory diagram illustrating an example of a rotary switch provided in the plug 100 according to an embodiment of the present disclosure.
- FIG. 12 is an explanatory diagram showing an example of the plug receiver 21 into which the plug 100 is inserted.
- FIG. 11 shows a rotation switch 110a provided corresponding to the blade 101a and a rotation switch 110b provided corresponding to the blade 101b.
- FIG. 11 also shows diodes 111 and 112 that prevent reverse current flow.
- the blade 101b is connected to the ground terminal 102 through a diode 111, and the ground terminal 102 is connected to the blade 101a through a diode 112.
- the rotation switches 110a and 110b are turned on when the blades 101a and 101b are in the second state, and a current flows to the control unit 240.
- the control unit 240 can detect that the state of the blades 101a and 101b of the plug 100 is in the second state due to the generation of current accompanying the turning on of the rotary switches 110a and 110b.
- electrodes (not shown) provided in the insertion holes 22 and 23 into which the blades 101a and 101b are inserted, and electrodes provided in the insertion hole 24 into which the ground terminal 102 is inserted. Between them (not shown), snubber circuits 25 and 26 comprising resistors and capacitors are shown. Arc discharge when the plug 100 is extracted from the plug receiver 21 by the snubber circuits 25 and 26 is suppressed.
- FIG. 13 is an explanatory diagram illustrating another example of the rotary switch provided in the plug 100 according to an embodiment of the present disclosure.
- FIG. 13 shows an example in which the blades 101 a and 101 b are connected without using the ground terminal 102.
- the rotary switches 110a and 110b are turned on when the blades 101a and 101b are in the second state, and a current flows to the control unit 240.
- the control unit 240 can detect that the state of the blades 101a and 101b of the plug 100 is in the second state due to the generation of current accompanying the turning on of the rotary switches 110a and 110b.
- FIG. 14 is an explanatory diagram illustrating a side view of the plug 100 according to an embodiment of the present disclosure as viewed from the left side.
- the plug 100 according to an embodiment of the present disclosure is configured such that the ground terminal 102 is longer than the blades 101 a and 101 b. Since the ground terminal 102 is configured to be longer than the blades 101a and 101b, the safety at the time of attachment / detachment to / from the plug receiver 11 for receiving AC power or the plug receiver 21 for receiving DC power. Is increased.
- FIG. 15 is an explanatory diagram showing a connection example when the plug receiver 21 is connected to a power line to which DC power is supplied.
- FIG. 15 shows a connection example when the plug receiver 21 is connected to the positive line, the negative line, and the neutral line when DC power is supplied by the positive line, the negative line, and the neutral line. It is.
- the battery server 20 is shown as a DC power supply source, but it goes without saying that the DC power supply source is not limited to the battery server 20.
- FIG. 16 is an explanatory view showing a modification of the AC / DC shared device 200 including the plug 100.
- FIG. 16 shows an example in which the AC / DC shared device 200 is provided with a DC circuit 250 that operates by receiving supply of DC power, and a diode bridge 251.
- the rotation switches 110a and 110b are turned on by the rotation of the blades 101a and 101b, and the rotation switches 110a and 110b are turned on, so that the blades 101a and 101b are respectively connected to the diode bridge 251. Electrically connected to the cathode and anode.
- the blades 101a and 101b are electrically connected to the cathode and the anode of the diode bridge 251, respectively, so that the voltage drop Vf of the diode generated when the AC is rectified can be bypassed. Since it is possible to bypass the voltage drop Vf of the diode that is generated when AC is rectified, the AC / DC shared device 200 shown in FIG. 16 can suppress a decrease in power efficiency when receiving DC power.
- the diode bridge 251 that is electrically connected to the blades 101a and 101b depending on the state of the rotary switches 110a and 110b may be provided in the AC / DC shared device 200 shown in FIG. .
- a plug 100 that can safely handle both AC and DC, and an AC / DC shared device 200 including the plug 100, with a simple configuration.
- the plug 100 according to an embodiment of the present disclosure is provided with blades 101a and 101b so as to be rotatable about the insertion direction into the plug receiver.
- the plug 100 according to an embodiment of the present disclosure has both a plug receiver for supplying existing AC power and a plug receiver for supplying DC power. Can be inserted.
- a user who uses the AC / DC shared device 200 including the plug 100 supplies existing AC power by rotating the blades 101a and 101b around the insertion direction of the plug receiver.
- the plug 100 can be inserted into both of the plug receptacle for performing DC power and the plug receptacle for supplying DC power.
- the AC / DC shared device 200 including the plug 100 acquires a signal indicating whether the AC power is received or the DC power is received from the plug 100.
- the operation of a circuit provided inside, for example, the step-up PFC circuit 220 or the DC-DC converter 230 can be controlled according to the type of power.
- the blades 101a and 101b of the plug 100 can be rotated in order to switch between the first state and the second state, but the present disclosure is not limited to such an example.
- the first state and the second state may be switched by sliding a pair of blades provided in the plug 100 in the horizontal direction.
- blade 101a, 101b in order to switch between a 1st state and a 2nd state, blade 101a, 101b was provided in the plug 100 so that it could rotate centering
- the rotation axes of the blades 101a and 101b may be provided on the blades 101a and 101b, or may be provided at positions shifted by a predetermined amount from the blades 101a and 101b.
- At least a pair of connection terminals At least one of the at least one pair of connection terminals is in a first state when inserted into a socket that supplies AC power, and the first state when inserted into a socket that supplies DC power.
- An AC / DC common plug that is rotatable about the direction of insertion into the socket so as to have a second state different from the state.
- the AC / DC shared device further including a power conversion control unit configured to change power conversion efficiency between receiving DC power and receiving AC power according to the presence or absence of the switching signal.
- a power conversion control unit configured to change power conversion efficiency between receiving DC power and receiving AC power according to the presence or absence of the switching signal.
- It further comprises a diode bridge that rectifies alternating current, The anode of the diode bridge is electrically connected to a negative connection terminal of the pair of connection terminals when receiving DC power, and the cathode of the diode bridge is a positive electrode of the pair of connection terminals.
- the AC / DC shared device according to any one of (9) to (11), which is electrically connected to a connection terminal on the side.
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Abstract
Description
1.本開示の一実施形態
1.1.背景
1.2.構成例
2.まとめ
[1.1.背景]
本開示の一実施形態について詳細に説明する前に、まず本開示の一実施形態の背景について説明する。
図2は、本開示の一実施形態の概要を示す説明図である。図2に示したのは、ある電力の需要家において、既存の商用の交流電源10からの電力と、直流電源20からの電力との両方を受電可能とした場合の例である。
以上説明したように本開示の一実施形態によれば、簡素な構成でありながらも、安全に交流と直流の両方に対応するプラグ100、及びプラグ100を備えた交流直流共用機器200が提供される。
(1)
少なくとも一対の接続端子を備え、
前記少なくとも一対の接続端子の内の少なくとも1つの接続端子は、交流電力を供給するソケットに挿入される際における第1の状態と、直流電力を供給するソケットに挿入される際における前記第1の状態とは異なる第2の状態と、を有するように、前記ソケットへの挿入方向を軸として回転可能である、交流直流共用プラグ。
(2)
前記少なくとも一対の接続端子は、前記第1の状態と前記第2の状態とで、前記ソケットへの挿入方向に直交する方向に対する角度を変化させる、前記(1)に記載の交流直流共用プラグ。
(3)
前記少なくとも一対の接続端子は、規制された角度範囲で回転可能である、前記(1)または(2)に記載の交流直流共用プラグ。
(4)
前記少なくとも1つの接続端子の前記軸は、前記接続端子上に設けられる、前記(1)~(3)のいずれかに記載の交流直流共用プラグ。
(5)
前記少なくとも1つの接続端子の前記軸は、前記接続端子からずらされて設けられる、前記(1)に記載の交流直流共用プラグ。
(6)
前記少なくとも一対の接続端子が前記第2の状態になった場合に切り替え信号を出力する信号出力部を備える、前記(1)~(5)のいずれかに記載の交流直流共用プラグ。
(7)
前記少なくとも一対の接続端子の内の1つの接続端子が回転すると、他の接続端子は当該回転方向と同じ方向に回転可能である、前記(1)~(6)のいずれか記載の交流直流共用プラグ。
(8)
前記少なくとも一対の接続端子の内の1つの接続端子が回転すると、他の接続端子は当該回転方向と反対方向に回転可能である、前記(1)~(7)に記載の交流直流共用プラグ。
(9)
請求項1に記載の交流直流共用プラグで受電した電力で動作する、交流直流共用機器。
(10)
前記少なくとも一対の接続端子が前記第2の状態になった場合に切り替え信号を出力する信号出力部を備える、前記(9)に記載の交流直流共用機器。
(11)
前記切り替え信号の有無に応じて直流電力を受電する際と交流電力を受電する際とで電力の変換効率を変化させる電力変換制御部をさらに備える、前記(10)に記載の交流直流共用機器。
(12)
交流を整流するダイオードブリッジをさらに備え、
前記ダイオードブリッジのアノードは、直流電力の受電時に、前記一対の接続端子の内、負極側となる接続端子と電気的に接続され、前記ダイオードブリッジのカソードは、前記一対の接続端子の内、正極側となる接続端子と電気的に接続される、前記(9)~(11)のいずれかに記載の交流直流共用機器。
11 プラグ受け
20 直流電源
21 プラグ受け
22、23、24 挿入孔
25、26 スナバ回路
100 プラグ
101a、101b 刃
102 アース端子
110、110a、110b 回転スイッチ
111、112 ダイオード
200 交流直流共用機器
Claims (12)
- 少なくとも一対の接続端子を備え、
前記少なくとも一対の接続端子の内の少なくとも1つの接続端子は、交流電力を供給するソケットに挿入される際における第1の状態と、直流電力を供給するソケットに挿入される際における前記第1の状態とは異なる第2の状態と、を有するように、前記ソケットへの挿入方向を軸として回転可能である、交流直流共用プラグ。 - 前記少なくとも一対の接続端子は、前記第1の状態と前記第2の状態とで、前記ソケットへの挿入方向に直交する方向に対する角度を変化させる、請求項1に記載の交流直流共用プラグ。
- 前記少なくとも一対の接続端子は、規制された角度範囲で回転可能である、請求項1に記載の交流直流共用プラグ。
- 前記少なくとも1つの接続端子の前記軸は、前記接続端子上に設けられる、請求項1に記載の交流直流共用プラグ。
- 前記少なくとも1つの接続端子の前記軸は、前記接続端子からずらされて設けられる、請求項1に記載の交流直流共用プラグ。
- 前記少なくとも一対の接続端子が前記第2の状態になった場合に切り替え信号を出力する信号出力部を備える、請求項1に記載の交流直流共用プラグ。
- 前記少なくとも一対の接続端子の内の1つの接続端子が回転すると、他の接続端子は当該回転方向と同じ方向に回転可能である、請求項1に記載の交流直流共用プラグ。
- 前記少なくとも一対の接続端子の内の1つの接続端子が回転すると、他の接続端子は当該回転方向と反対方向に回転可能である、請求項1に記載の交流直流共用プラグ。
- 請求項1に記載の交流直流共用プラグで受電した電力で動作する、交流直流共用機器。
- 前記少なくとも一対の接続端子が前記第2の状態になった場合に切り替え信号を出力する信号出力部を備える、請求項9に記載の交流直流共用機器。
- 前記切り替え信号の有無に応じて直流電力を受電する際と交流電力を受電する際とで電力の変換効率を変化させる電力変換制御部をさらに備える、請求項10に記載の交流直流共用機器。
- 交流を整流するダイオードブリッジをさらに備え、
前記ダイオードブリッジのアノードは、直流電力の受電時に、前記一対の接続端子の内、負極側となる接続端子と電気的に接続され、前記ダイオードブリッジのカソードは、前記一対の接続端子の内、正極側となる接続端子と電気的に接続される、請求項9に記載の交流直流共用機器。
Priority Applications (3)
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JP2016540126A JP6614150B2 (ja) | 2014-08-05 | 2015-07-07 | 交流直流共用プラグ及び交流直流共用機器 |
EP15829907.3A EP3179575B1 (en) | 2014-08-05 | 2015-07-07 | Ac/dc plug and equipment including such a plug |
US15/329,729 US9954329B2 (en) | 2014-08-05 | 2015-07-07 | Common plug for AC/DC and common equipment for AC/DC |
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JP2014-159438 | 2014-08-05 | ||
JP2014159438 | 2014-08-05 | ||
JP2015061306 | 2015-03-24 | ||
JP2015-061306 | 2015-03-24 |
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PCT/JP2015/069554 WO2016021358A1 (ja) | 2014-08-05 | 2015-07-07 | 交流直流共用プラグ及び交流直流共用機器 |
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US (1) | US9954329B2 (ja) |
EP (1) | EP3179575B1 (ja) |
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WO (1) | WO2016021358A1 (ja) |
Cited By (3)
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JP2017084632A (ja) * | 2015-10-29 | 2017-05-18 | Smk株式会社 | 差込みプラグ |
JP2020047381A (ja) * | 2018-09-14 | 2020-03-26 | 株式会社東芝 | コネクタ装置および伝送ケーブル |
JP7416953B2 (ja) | 2019-12-19 | 2024-01-17 | 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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CN107623231B (zh) * | 2017-08-22 | 2021-01-29 | 格力博(江苏)股份有限公司 | 电插头以及带有此种电插头的电动装置及其操作方法 |
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JP7416953B2 (ja) | 2019-12-19 | 2024-01-17 | 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 |
Also Published As
Publication number | Publication date |
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US9954329B2 (en) | 2018-04-24 |
US20170222380A1 (en) | 2017-08-03 |
JP6614150B2 (ja) | 2019-12-04 |
JPWO2016021358A1 (ja) | 2017-05-18 |
EP3179575A4 (en) | 2018-03-07 |
EP3179575B1 (en) | 2021-05-19 |
EP3179575A1 (en) | 2017-06-14 |
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