JP2013135589A - Charging connector and charging system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a charging connector that displays various types of charging information, manages a lock mechanism of a connector connection part with a password, and allows a user to easily view a connector part even at nighttime.SOLUTION: A charging connector having a housing 2 in which a power transmission coil 6 for transmitting power in a non-contact manner is stored, includes: a communication unit 32 for wirelessly receiving information; a touch panel display unit 28 for displaying the information received by the communication unit 32; fixing means 5 to be fixed to a connector 4 of a connection destination; character key display means 29 for displaying a character key on the touch panel display unit 28 when the communication unit 32 receives charging completion information while the fixing means 5 is being fixed to the connector 4; and determination means 29 for determining whether or not a password input by a touch using the character key displayed by the character key display means 29 is a predetermined password. When the determination means 29 determines that the password is the predetermined password, fixing of the fixing means 5 to the connector 4 is cancelled.

Description

  The present invention relates to a charging connector in which a power transmission coil for non-contact power transmission is stored, in particular, a touch panel display unit, and a power receiving coil stored in a power receiving connector when charging a vehicle battery from an external power source. The present invention relates to a charging connector for non-contact power transmission and a charging system including the charging connector.

Recently, hybrid cars and electric vehicles are becoming popular, but plug-in hybrid cars that can be charged with a commercial power source (100 VAC, 200 VAC) at home are also put to practical use in hybrid cars. Has been.
In order to reduce current loss, many electric batteries and hybrid car batteries have a rating of several hundred volts. When a battery is charged by a commercial power source, a booster circuit and a rectifier circuit are necessary. The side is equipped.

  Patent Document 1 includes a power feeding connector and a power receiving connector. A coil and a core are accommodated in the respective cases of both the connectors, and the front surfaces of the two connectors are brought into contact with each other. Discloses a charging connector for charging a power storage device of an electric vehicle from a charging system. Light transmission / reception light transmission between both connectors is performed on the front surface, and light emitting and / or light receiving elements for charging information transmission arranged behind or separately from the coil are arranged, The front end of the light guide extending from the element is exposed on the front surface of the case, and a heat transfer section is interposed between the light guide and the coil and core.

JP 2003-299254 A

  The conventional electric vehicle charging connector is of a gun type, and only a predetermined charging information such as charging start or charging completion can be displayed, and the locking mechanism of the connector connecting portion is easily unlocked by a third party. There is a problem of fear. In addition, the design of the charging connector that is stored and held by the user is a gun type, and it is difficult to see the connector part when inserting the charging connector into the vehicle side at night or in darkness that does not match the external design of the vehicle. There is a problem that it is difficult to work.

  The present invention has been made in view of the above-described circumstances, can display various charging information, can manage the locking mechanism of the connector connecting portion with a password, and increases the degree of freedom of design. An object of the present invention is to provide a charging connector in which the connector portion is easy to see even at night or in the dark.

  The present invention can also display various charging information, can manage the locking mechanism of the connector connection part with a password, increases the degree of freedom of design, and is easy to see the connector part even at night or in the dark. It aims at providing the charging system provided with the connector for charge.

  A charging connector according to a first aspect of the present invention is a charging connector including a housing in which a coil for power transmission for non-contact power transmission is housed, and displays a communication unit that receives information wirelessly and information received by the communication unit. When the touch panel display unit, the fixing means for fixing to the connector at the connection destination, and the fixing means being fixed to the connector and the communication unit receives the charge end information, the character key is displayed on the touch panel display unit. A character key display means for displaying the character key, and a determination means for determining whether the password touch-input by the character key displayed by the character key display means is a predetermined password. When it is determined that the password is a predetermined password, the fixing means is configured to release the fixing to the connector.

  In this charging connector, the housing houses a power transmission coil that transmits power in a non-contact manner. The communication unit receives information wirelessly, and the touch panel display unit displays the information received by the communication unit. When the fixing unit is fixed to the connector and the communication unit receives the charging end information, the character key display unit displays the character key on the touch panel display unit. The determination means determines whether or not the password touch-input by the character key is a predetermined password, and when determining that the password is the predetermined password, the fixing means releases the fixing to the connector.

  In the charging connector according to the second invention, the character key display means displays a character key on the touch panel display section when the touch panel display section is touched when the fixing means is fixed to the connector. When the determination means determines that the password touch-input by the character key is a predetermined password, the power transmission from the power transmission coil is interrupted, and the fixing means releases the fixing to the connector. It is comprised by these.

  In this charging connector, when the touch panel display unit is touched when the fixing unit is fixed to the connector, the character key display unit displays the character key on the touch panel display unit. When the determination means determines that the password touch-inputted by the character key is a predetermined password, the power transmission from the power transmission coil is interrupted, and the fixing means releases the fixing to the connector.

  A charging connector according to a third aspect of the present invention further includes a separate body that can be attached to and detached from the housing, and the separate body stores at least the touch panel display section, the character key display means, and the determination means, and wirelessly transmits information. A second communication unit for receiving; and a power receiving coil for receiving power from the separate body in a non-contact manner from the housing side, wherein the housing includes a second power transmission coil for transmitting power to the power receiving coil in a non-contact manner. The second communication unit is configured to wirelessly transmit and receive information to and from the communication unit.

  In this charging connector, a separate body can be attached to and detached from the housing, and contains at least a touch panel display unit, character key display means, and determination means. In the separate body, the second communication unit receives information wirelessly, and the power receiving coil receives power from the separate body in a non-contact manner from the housing side. In the housing, the second power transmission coil transmits power to the power reception coil in a non-contact manner, and the second communication unit wirelessly transmits and receives information to and from the communication unit.

  A charging connector according to a fourth aspect of the present invention is a means for determining whether or not the connector is in normal contact with the connector, and fixing the fixing means to the connector when it is determined that the means is not in normal contact. It further comprises a prohibiting means and a warning means for outputting a warning sound and / or displaying a warning on the touch panel when the fixing is prohibited.

  In this charging connector, the means for determining determines whether or not the connector is in normal contact. When it is determined that the connector is not in normal contact, the means for prohibiting the fixing means to fix the connector to the connector. Ban. When the prohibiting means prohibits the fixing means from being fixed, the warning means outputs a warning sound and / or displays a warning on the touch panel.

  In the charging connector according to a fifth aspect of the invention, the separate body further includes a power storage unit that stores the power received by the power receiving coil, and the power stored in the power storage unit is used as a power source in the separate body. It is characterized by being.

  In this charging connector, the separate power storage unit stores the power received by the power receiving coil, and uses the power stored in the power storage unit as a power source in the separate body.

  In the charging connector according to a sixth aspect of the present invention, the casing has a flat shape, is provided on an outer edge of the casing, and partially surrounds one plane of the casing, and a front end portion of the enclosure wall And an inner flange provided on the inner surface.

  In this charging connector, the casing has a flat shape, and one or a plurality of surrounding walls provided at the outer edge of the casing partially surround one plane of the casing, and an inner flange is provided at the front end of the surrounding wall. ing.

  A charging connector according to a seventh aspect of the invention is characterized in that the casing is flat and includes one or a plurality of grooves provided around a side surface of the casing.

  A charging system according to an eighth aspect of the present invention includes the charging connector according to any one of claims 1 to 5 and a transmission unit that wirelessly transmits information to the charging connector. When the battery is charged, power is transmitted in a non-contact manner from a power transmission coil housed in the charging connector to a power receiving coil housed in a vehicle-side connector.

  In this charging system, the transmission unit wirelessly transmits information to the charging connector according to any one of the first to fifth inventions. When charging a vehicle battery from an external power source, power is transmitted in a non-contact manner from a power transmission coil housed in a charging connector to a power receiving coil housed in a vehicle-side connector.

  A charging system according to a ninth aspect of the invention includes the charging connector according to claim 6 and a transmission unit that wirelessly transmits information to the charging connector, and when charging the vehicle battery from an external power source, A charging system in which an inner flange included in the charging connector is hooked on a vehicle-side connector, and power is transmitted in a non-contact manner from a power transmission coil stored in the charging connector to a power receiving coil stored in the connector. The connector includes a flat-shaped power receiving side housing that houses the power receiving coil, and a groove that is provided around a side surface of the power receiving side housing and latches the inner flange.

  In this charging system, the transmission unit wirelessly transmits information to the charging connector according to the sixth aspect of the invention. When charging the battery of the vehicle from the external power source, the inner flange of the charging connector is hooked on the vehicle side connector, and the power transmission coil stored in the charging connector is stored in the vehicle side connector. Power is transmitted to the receiving coil without contact. In the connector on the vehicle side, the flat power receiving side housing accommodates the power receiving coil, and a groove provided around the side surface of the power receiving side housing hooks the inner flange.

  A charging system according to a tenth aspect of the invention includes a charging connector according to claim 7 and a transmitter that wirelessly transmits information to the charging connector, and when charging a vehicle battery from an external power source, A charging system in which a groove provided in the charging connector is hooked to a vehicle-side connector and power is transmitted in a non-contact manner from a power transmission coil housed in the charging connector to a power receiving coil housed in the connector. The connector is provided with a flat-shaped power receiving-side housing that houses the power-receiving coil, and a plurality of the power receiving-side housing facing each other with the power-receiving-side housing interposed therebetween, And a latching protrusion.

  In this charging system, the transmission unit wirelessly transmits information to the charging connector according to the seventh aspect of the invention. When charging the battery of the vehicle from an external power source, the groove provided in the charging connector is hooked on the connector on the vehicle side, and the power receiving coil stored in the connector on the vehicle side is received from the coil for power transmission stored in the connector for charging. Power is transmitted to the coil for non-contact. In the vehicle-side connector, a flat-shaped power receiving side housing accommodates a power receiving coil, and a plurality of latching protrusions provided on the outer periphery of the power receiving side housing are opposed to each other with the power receiving side housing interposed therebetween. The groove provided in the connector for use is latched.

  According to the charging connector according to the present invention, various charging information can be displayed, the locking mechanism of the connector connecting portion can be managed with a password, the degree of freedom of design is increased, and even at night or in the dark Thus, it is possible to realize a charging connector in which the connector portion is easy to see.

  According to the charging system according to the present invention, various charging information can be displayed, the locking mechanism of the connector connecting portion can be managed with a password, the degree of freedom of the design is increased, even at night or in the dark, It is possible to realize a charging system including a charging connector whose connector portion is easy to see.

It is explanatory drawing which shows the usage condition of embodiment of the connector for charge and charging system which concern on this invention. It is explanatory drawing for demonstrating the attachment or detachment state of the connector main body for a charge, and a display part. 1 is a perspective view showing an embodiment of a charging connector and an external appearance of a power receiving connector according to the present invention. 1 is a block diagram showing a schematic configuration of an embodiment of a charging connector and a charging system according to the present invention. It is the front view and side view which show the external appearance example of the connector for electric power reception. It is a fragmentary sectional view which shows the state which the connector for charging covered the connector for power reception. It is explanatory drawing which shows the example of a display of a touchscreen display part. It is explanatory drawing which shows the other design example of a display part. It is explanatory drawing which shows the usage condition of embodiment of the connector for charge which concerns on this invention, the connector for electric power reception, and a charging system. It is a perspective view which shows the external appearance of embodiment of the connector for charge which concerns on this invention, and a connector for electric power reception. It is the front view and side view which show the example of an external appearance of the state in which the connector for charge was latched by the latching part of the connector for electric power reception. It is explanatory drawing which shows the example of the state by which the connector for charging was latched by the latching | locking part of the connector for electric power reception.

Hereinafter, the present invention will be described with reference to the drawings illustrating embodiments thereof.
(Embodiment 1)
FIG. 1 is an explanatory diagram showing a usage pattern of a charging connector and a charging system according to Embodiment 1 of the present invention.
In this charging system, a commercial power source of 100 VAC or 200 VAC is supplied to the power receiving connector via the power line 3 in a state where the power receiving connector (not shown) attached to the side surface of the vehicle body 1 covers the charging connector 2. Is done. The charging connector 2 includes a charging connector body 2b and a display unit 2a that is a separate body that can be attached to and detached from the charging connector body 2b.

For example, as shown in FIG. 2, the charging connector main body 2b and the display portion 2a have a flat disk shape, and a claw 2c extending on the side surface of the display portion 2a is provided on the side surface of the charging connector main body 2b. It engages and engages with the recessed engaging portion 2d. A plurality of claws 2c and latching portions 2d are provided.
A touch panel display unit 28 is provided on a plane of the display unit 2a that does not face the charging connector body 2b.

FIG. 3 is a perspective view showing an appearance of the charging connector according to the first embodiment of the present invention.
The housing of the power receiving connector 4 to which the charging connector 2 is connected has a flat truncated cone shape protruding from the side surface of the vehicle body 1 (FIG. 1), and a groove 11 is provided around the side surface.
A power line 3 is connected to the side surface of the charging connector body 2b, and a lock button 5a (fixing means) is provided on the side surface opposite to the power line 3.

FIG. 4 is a block diagram showing a schematic configuration of Embodiment 1 of the charging connector and the charging system according to the present invention.
This charging system includes a power receiving connector 4 that houses a power receiving coil 8 (power receiving coil), and a battery charger that boosts and rectifies AC power received by the power receiving coil 8 in a contactless manner by electromagnetic induction to charge the battery 10. 9 is provided on the vehicle body 1 side. The charger 9 detects a charging depth (a charged ratio) based on the terminal voltage of the battery 10, and wirelessly transmits the detected charging depth by the wireless transmission unit 31. The charger 9 also determines whether or not the detected charging depth has reached full charge. When it is determined that full charge has been reached, the charger 9 opens the charging circuit for the battery 10.

In this charging system, the charging connector body 2b includes a power transmission coil 6 (power transmission coil), a power transmission line 7 to which commercial power (100 VAC, 200 VAC) is applied, and a power transmission monitoring unit 7 provided between the power transmission coils 6. The lock switch unit 5 (fixing means) and the power switch 37 are accommodated.
The charging connector body 2b also prohibits the lock operation of the contact determination unit 36, the speaker 26, and the lock switch unit 5 that determines whether or not the charging connector body 2b is in normal contact with the power receiving connector 4. The lock prohibition unit 35, the wireless transmission / reception unit 32, and the auxiliary power transmission coil 6s to which power is supplied from the power line 3 via the power transmission monitoring unit 7 are housed.

In this charging system, the display unit 2a receives power from the auxiliary power transmission coil 6s in a contactless manner, the auxiliary power receiving coil 8s, the power storage unit 27 that rectifies and stores the power received by the auxiliary power receiving coil 8s, and the touch panel display unit 28. The lighting switch 34 is housed.
The display unit 2 a also includes a display information processing unit 29 that performs information processing for display on the touch panel display unit 28, a memory 30 built in the display information processing unit 29, and a wireless transmission / reception unit 33.

The lock switch 5 keeps its operating state even if the pressing force is removed by the operation of the cam or the like, and the position holding type lock button 5a that returns to the original free state when pressed again, and the lock button 5a. And a locking mechanism linked to
For example, the locking mechanism is configured such that a plunger provided on the charging connector main body 2b side is inserted into a recess provided on the power receiving connector 4 side in conjunction with the lock button 5a, so that the charging connector main body 2b is The power receiving connector 4 is fixed (locked).

  For example, the contact determination unit 36 is configured to output voltage from a plurality of piezoelectric elements protruding from the surface of the charging connector body 2b, or a plurality of conductors embedded in the surface of the power receiving connector 4 and the surface of the charging connector body 2b. It is determined whether or not the charging connector body 2b is normally in contact with the power receiving connector 4 based on the conduction state with the plurality of protruding contacts. The determination result of the contact determination unit 36 is given to the power transmission monitoring unit 7.

The power transmission monitoring unit 7 performs short circuit and leakage monitoring on the commercial power supply side. When a short circuit or leakage is detected, the power transmission monitoring unit 7 cuts off the connection with the power line 3 and when the power switch 37 is turned on, the power line 3 Is supplied to the power transmission coil 6 and the auxiliary power transmission coil 6s. Further, it is converted into a required voltage and given to each part in the charging connector main body 2b.
The power transmission monitoring unit 7 gives an instruction to prohibit the lock to the lock prohibition unit 35 and outputs a warning sound from the speaker 26 when the determination result given from the contact determination unit 36 is not in normal contact. . In addition, an instruction is given to the display information processing unit 29 via the wireless transmission / reception units 32 and 33 to display an error. In response to this instruction, the display information processing unit 29 causes the touch panel display unit 28 to display an error.

  When the lock switch unit 5 locks the charging connector main body 2 b to the power receiving connector 4, the display information processing unit 29 indicates that the display information processing unit 29 is locked from the power transmission monitoring unit 7 via the wireless transmission / reception units 32 and 33. Be notified. In this state, the display information processing unit 29 displays a character key on the touch panel display unit 28 when the wireless transmission / reception unit 33 receives charging end information (or full charge information) from the wireless transmission unit 31 (character key display). means).

  The display information processing unit 29 determines whether the password touch-input by the character key displayed on the touch panel display unit 28 is a predetermined password stored in the memory 30 (determination means). When the display information processing unit 29 determines that the password is a predetermined password, the display information processing unit 29 gives an instruction to unlock the lock switch unit 5 to the power transmission monitoring unit 7 via the wireless transmission / reception units 33 and 32. The power transmission monitoring unit 7 releases the lock of the lock switch unit 5 when this instruction is given.

The display information processing unit 29 displays character keys on the touch panel display unit 28 when the touch panel display unit 28 is touched when the lock switch unit 5 locks the charging connector body 2b to the power receiving connector 4. (Character key display means)
The display information processing unit 29 determines whether the password touch-input by the character key displayed on the touch panel display unit 28 is a predetermined password stored in the memory 30 (determination means).

When the display information processing unit 29 determines that the password is a predetermined password, the power transmission monitoring unit 33 and 32 transmit an instruction to interrupt the power transmission from the power transmission coil 6 and release the lock of the lock switch unit 5. Give to 7. When this instruction is given, the power transmission monitoring unit 7 interrupts power transmission from the power transmission coil 6 and releases the lock of the lock switch unit 5.
When the illumination switch unit 34 is turned on, the touch panel display unit 28 is turned on by the power source from the power storage unit 27 regardless of the presence or absence of information to be displayed, and functions as illumination.

FIG. 5A is a front view showing an example of the external appearance of the power receiving connector 4, and FIG. 5B is a side view showing the state where the charging connector 2 is covered with a broken line.
As described above, the power receiving connector 4 has a flat truncated cone shape, and the groove 11 is provided around the side surface.
As described above, the charging connector 2 has a flat disk shape as described above, and the charging connector main body 2b is provided on the outer edge of the charging connector main body 2b. And an inner flange 12 provided at the front end of the surrounding wall 13. The enclosure wall 13 and the inner flange 12 are provided, for example, in the upper half of the plane when the charging connector 2 covers the power receiving connector 4.

FIG. 6 is a partial cross-sectional view showing a state where the charging connector 2 covers the power receiving connector 4.
When the charging connector 2 covers the power receiving connector 4, the inner flange 12 provided at the tip of the enclosure wall 13 of the charging connector main body 2 b is formed in the groove 11 provided around the side surface of the power receiving connector 4. The lock button 5a (FIG. 3) is operated by being operated in a loosely fitted state.
With the inner flange 12 of the charging connector main body 2b fitted in the groove 11 of the power receiving connector 4, the power transmitting coil 6 of the charging connector 2 and the power receiving coil 8 of the power receiving connector 4 can transmit and receive power by electromagnetic induction. Opposite to be done efficiently.

In the charging connector 2 and the charging system having such a configuration, when the power switch 37 is turned on, the power transmission monitoring unit 7 supplies power from the power line 3 to the power transmission coil 6 and the auxiliary power transmission coil 6s.
The power transmission monitoring unit 7 prohibits the lock prohibition unit 35 from locking the lock switch unit 5 and makes a warning sound from the speaker 26 when the determination result given from the contact determination unit 36 is not in normal contact. Output. Further, the display information processing unit 29 is caused to display an error (warning display) on the touch panel display unit 28 as shown in FIG. 7C.

When the lock switch unit 5 is locked, the charger 9 boosts, rectifies, and charges the battery 10 with AC power received by the power receiving coil 8 in a non-contact manner by electromagnetic induction. The charger 9 detects the charging depth based on the terminal voltage of the battery 10 and wirelessly transmits information on the detected charging depth by the wireless transmission unit 31.
When the wireless transmission / reception units 32 and 33 receive the charging depth information from the wireless transmission unit 31, the display information processing unit 29 displays the received charging depth on the touch panel display unit 28 as illustrated in FIG. 7A.
The charger 9 determines whether or not the detected charging depth has reached full charge. When it is determined that the full charge has been reached, the charger 9 opens a charging circuit for the battery 10.

When the lock switch unit 5 is locked, the display information processing unit 29, when the wireless transmission / reception units 32 and 33 receive charging end information (or full charge information) from the wireless transmission unit 31, is as shown in FIG. 7B. The character keys are displayed on the touch panel display unit 28.
The display information processing unit 29 determines whether the password touch-inputted by the character key displayed on the touch panel display unit 28 is a predetermined password stored in the memory 30. When the display information processing unit 29 determines that the password is a predetermined password, the display information processing unit 29 gives an instruction to unlock the lock switch unit 5 to the power transmission monitoring unit 7, and the power transmission monitoring unit 7 given this instruction The lock of part 5 is released.

When the lock switch unit 5 is locked, the display information processing unit 29 displays character keys on the touch panel display unit 28 as shown in FIG. 7B when the touch panel display unit 28 is touched.
The display information processing unit 29 determines whether or not the password touch-inputted by the character key displayed on the touch panel display unit 28 is a predetermined password.
When the display information processing unit 29 determines that the password is a predetermined password, the display information processing unit 29 interrupts power transmission from the power transmission coil 6 and gives an instruction to unlock the lock switch unit 5 to the power transmission monitoring unit 7. Given this instruction, the power transmission monitoring unit 7 interrupts power transmission from the power transmission coil 6 and unlocks the lock switch unit 5.

When the illumination switch unit 34 is turned on, the touch panel display unit 28 is turned on by the power source from the power storage unit 27 regardless of the presence or absence of information to be displayed, and functions as illumination.
The design of the display unit 2a is not limited to that shown in FIG. 7, but may be one in which a plurality of operation buttons are arranged on the outer periphery of the touch panel display unit 28 as shown in FIG.

(Embodiment 2)
FIG. 9 is an explanatory view showing a usage pattern of Embodiment 2 of the charging connector and the charging system according to the present invention.
In this charging system, a commercial power source of 100 VAC or 200 VAC is used for receiving power via the power line 3 in a state where the charging connector 22 is hooked on the hooking portions 20, 20 of the power receiving connector attached to the side surface of the vehicle body 1. Supplied to the connector. The charging connector 22 includes a charging connector body 22b and a display unit 22a that is a separate body that can be attached to and detached from the charging connector body 22b.

The charging connector main body 22b and the display portion 22a have, for example, a flat disk shape similar to that shown in FIG. 3, and the claws (2c) extended on the side surfaces of the display portion 22a are replaced with the charging connector main body. It engages and engages with a latching portion (2d) recessed in the side surface of 22b. A plurality of claws (2c) and a plurality of latching portions (2d) are provided.
A touch panel display unit 28 is provided on a plane of the display unit 22a that does not face the charging connector body 22b.

FIG. 10 is a perspective view showing the appearance of the charging connector according to Embodiment 2 of the present invention.
The charging connector main body 22b has a flat disk shape, and the power line 3 is connected to the side surface, and a groove 25 is provided around the half circumference including the connecting portion with the power line 3 on the side surface.
The housing of the power receiving connector 24 to which the charging connector main body 22 is connected has a flat disk shape protruding from the side surface of the vehicle body 1 (FIG. 9), and the two latching portions 20 are sandwiched between the housings. , 20 project from the side of the vehicle body 1 (FIG. 9) so as to face each other. The latching portions 20 and 20 have a shape like one of two elongated cones divided by a plane including an axis, and are fixed to the side surface of the vehicle body on the plane side so that the respective bottom portions face each other. . On the bottoms of the latching portions 20, 20, latching projections 21, 21 for latching the groove 25 of the charging connector main body 22 b are provided.

  The charging connector main body 22b and the power receiving connector 24 can be provided with the same components as the lock switch unit 5 in the first embodiment. In this case, for example, a plunger provided on the charging connector main body 22b side is inserted into a recess provided on the power receiving connector 24 side (the housing or the latching portion 20) in conjunction with the lock button. As a result, the charging connector main body 22b is fixed (locked) to the power receiving connector 24.

  Since the schematic configuration of the second embodiment of the charging connector and the charging system according to the present invention is the same as the schematic configuration (FIG. 4) of the first embodiment described above, description thereof is omitted. The charging connector main body 22b houses the power transmission coil 6, and the housing of the power receiving connector 24 houses the power receiving coil 8.

FIG. 11A is a front view showing an example of the appearance of the charging connector main body 22b hooked to the hooking portions 20, 20 of the power receiving connector 24, and FIG. 11B is a side view thereof.
As described above, the charging connector main body 22b has a flat disk shape, and a groove 25 is provided around the side surface thereof. As described above, the groove 25 is provided, for example, in the lower half (half circumference) of the side surface when the charging connector main body 22b is latched by the latching protrusions 21 and 21 of the latching portions 20 and 20. ing.

FIG. 12 is an explanatory diagram showing an example of a state where the charging connector main body 22 b is hooked to the hooking portions 20, 20 of the power receiving connector 24.
When the charging connector main body 22b is hooked on the hooking portions 20 and 20, the hooking protrusions 21 and 21 of the hooking portions 20 and 20 are inserted into the grooves 25 provided on the side surfaces of the charging connector main body 22b. It is hooked in the fitted state.

With the latching protrusions 21 and 21 of the latching portions 20 and 20 fitted and latched in the groove 25 of the charging connector main body 22b, the power transmission coil 6 of the charging connector main body 22b and the power receiving coil of the power receiving connector 24 No. 8 opposes so that the power transmission and reception by electromagnetic induction can be performed efficiently.
The other operations of the charging connector and the charging system according to the second embodiment of the present invention are the same as those of the first embodiment described above, and thus the description thereof is omitted.

DESCRIPTION OF SYMBOLS 1 Car body 2,22 Charging connector 2a, 22a Display part (separate body)
2b, 22b Charging connector body 3 Power line 4, 24 Power receiving connector 5 Lock switch (fixing means)
5a Lock button (fixing means)
6 Power transmission coil (coil for power transmission)
6s Auxiliary power transmission coil (second power transmission coil)
7 Power transmission monitoring unit 8 Power receiving coil (Power receiving coil)
8s Auxiliary power receiving coil (power receiving coil)
9 Battery Charger 10 Battery 11, 25 Groove 12 Inner Flange 13 Enclosure Wall 20 Latch Part 21 Latch Protrusion Part 26 Speaker (Warning Means)
27 power storage unit 28 touch panel display unit 29 display information processing unit (character key display means, determination means, warning means)
31 Wireless transmitter (transmitter)
32 Radio transceiver (communication unit)
33 Wireless transceiver unit (second communication unit)
34 Lighting switch part 35 Lock prohibition part (means to prohibit)
36 Contact determination unit (means for determining whether or not they are in contact)

Claims (10)

In a charging connector comprising a housing containing a power transmission coil for non-contact power transmission,
A communication unit that receives information wirelessly; a touch panel display unit that displays information received by the communication unit; a fixing unit that fixes the connection destination connector; and the fixing unit that is fixed to the connector. When the communication unit receives the charging end information, the character key display means for displaying the character key on the touch panel display unit, and the password touch-input by the character key displayed by the character key display means are predetermined passwords. Determining means for determining whether or not the charging means is configured to release the fixing to the connector when the determining means determines that it is a predetermined password. Connector.   The character key display means displays the character key on the touch panel display section when the touch panel display section is touched when the fixing means is fixed to the connector, and the determination means uses the character key. 2. The structure according to claim 1, wherein when it is determined that the touch-input password is a predetermined password, power transmission from the power transmission coil is interrupted, and the fixing means releases the fixing to the connector. Charging connector.   The housing further includes a separate body that can be attached to and detached from the housing, the separate body containing at least the touch panel display unit, the character key display unit, and the determination unit, and the second communication unit that receives information wirelessly, and the housing A power receiving coil for receiving power from the separate body in a non-contact manner from the side, and the casing includes a second power transmitting coil for transmitting power to the power receiving coil in a non-contact manner. The charging connector according to claim 1, wherein the connector is configured to wirelessly transmit and receive information to and from the communication unit.   Means for determining whether or not the connector is in normal contact; means for prohibiting fixing of the fixing means to the connector when it is determined that the means is not in normal contact; and 4. The charging connector according to claim 1, further comprising: a warning unit that outputs a warning sound and / or displays a warning on the touch panel when prohibition is prohibited. 5.   The said separate body is further equipped with the electrical storage part which accumulate | stores the electric power which the said coil for receiving electricity received, and is comprised so that the electric power which this electrical storage part stored may be used as the power supply in the said separate body. Charging connector.   The casing has a flat shape, and is provided at an outer edge of the casing, and includes one or a plurality of surrounding walls that partially surround one plane of the casing, and an inner flange provided at a distal end portion of the surrounding wall. Item 6. The charging connector according to any one of Items 1 to 5.   The charging connector according to claim 1, wherein the housing has a flat shape and includes one or a plurality of grooves provided around a side surface of the housing.   A charging connector according to any one of claims 1 to 5, and a transmission unit that wirelessly transmits information to the charging connector, and charging the vehicle battery from an external power source. A charging system configured to transmit power in a non-contact manner from a power transmission coil housed in a connector to a power receiving coil housed in a vehicle-side connector. A charging connector according to claim 6, and a transmitter that wirelessly transmits information to the charging connector, and when charging the vehicle battery from an external power source, an inner flange that the charging connector includes A charging system that latches on a vehicle-side connector and transmits power in a non-contact manner from a power transmission coil housed in the charging connector to a power receiving coil housed in the connector,
The charging system includes: a flat power receiving side housing that houses the power receiving coil; and a groove that is provided around a side surface of the power receiving side housing and engages the inner flange. A charging connector according to claim 7, and a transmission unit that wirelessly transmits information to the charging connector, and when the battery of the vehicle is charged from an external power source, a groove provided in the charging connector is provided in the vehicle. A charging system that hooks on a connector on the side and transmits power in a non-contact manner from a power transmission coil housed in the charging connector to a power receiving coil housed in the connector,
The connector includes a flat-shaped power receiving side housing that houses the power receiving coil, and a plurality of latches that are provided on the outer periphery of the power receiving side housing so as to face each other with the power receiving side housing interposed therebetween. A charging system comprising a protrusion.

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