JP2016213117A - Charge/discharge connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a charge/discharge connector capable of maintaining an engagement state with an inlet even when a situation such as a disconnection occurs, while a structure of a wiring part is made simple.SOLUTION: The charge/discharge connector includes: charge/discharge engagement section 60; and a lock mechanism 70, for maintaining an engagement state by regulating a movement of the charge/discharge engagement section. The lock mechanism 70 includes a feeding mechanism section 80. The feeding mechanism section 80 feeds a regulation section 705 by a drive section 702 being attracted by a solenoid section 701, and returns the regulation section 705 to a non-regulation position by the drive section 702 being attracted again by the solenoid section 701.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a charge / discharge connector configured to be freely inserted into and removed from a receiving connector of a device equipped with a power storage device.

  2. Description of the Related Art A charge / discharge connector configured to be freely inserted into and removed from an inlet that is a receiving connector of a device such as an electric vehicle equipped with a power storage device is used. As described in Patent Document 1 below, such a charging / discharging connector is an engaging mechanism that does not fall off the inlet while being connected to the inlet and charging / discharging the power storage device, and the engaging mechanism. There is provided a lock mechanism for locking.

JP 2014-194909 A

  Although not described in detail in Patent Document 1, the engagement mechanism rotates when the release button provided on the charge / discharge connector is pressed and is disengaged, and is not engaged when the release button is pressed. It becomes a joint state. The lock mechanism regulates the rotation of the engagement mechanism. By sending the restriction member to the engagement mechanism side, the rotation of the engagement mechanism is restricted, and the restriction member is moved backward from the engagement mechanism side. I try to be in a non-regulated state.

  The structure of the locking mechanism is schematically shown as shown in FIG. The conventional locking mechanism includes solenoid units 701Fa and 701Fb, a drive unit 702F, and a detection unit 704. The drive unit 702F is connected to a restriction unit that is fed to the engagement mechanism side, and is made of a magnetic material such as iron. The solenoid portion 701Fa is a solenoid on the restricted state side, and attracts the drive portion 702F by flowing a current from the drive line La to the common line Lc. The detection unit 704 detects that the drive unit 702F has sent the regulation unit to the regulation state. A monitor line Lm is connected to the detection unit 704, and the common line Lc is shared with the solenoid unit 701Fa. The solenoid portion 701Fb is a non-regulated solenoid, and attracts the drive portion 702F by flowing a current from the drive line Lb to the common line Lc.

  If the lock mechanism as shown in FIG. 6 is used, even if an unexpected situation such as a disconnection occurs in the engaged state, the engaged state is not unintentionally canceled and it is safer. However, it is necessary to provide a pair of solenoids, and four drive lines for driving each solenoid are required, so that a simpler structure is required for the wiring portion.

  The present invention has been made in view of such a problem, and an object of the present invention is to maintain the engagement state with the inlet even when a disconnection or the like occurs, and to simplify the structure of the wiring portion. It is providing the charging / discharging connector which can be made.

  In order to solve the above-described problem, a charge / discharge connector (1) configured to be freely inserted into and removed from a receiving-side connector of a device in which the power storage device according to the present invention is mounted, the receiving-side terminal portion of the receiving-side connector and an electric Connection state of the receiving side terminal part and the charging / discharging terminal part by engaging the charging / discharging terminal part (200, 201) connected to the receiving side and the receiving side engaging part (50) of the receiving side connector And a lock mechanism (60) that maintains the engagement state between the charge / discharge engagement portion and the receiving-side engagement portion by restricting the movement of the charge / discharge engagement portion. 70). The lock mechanism includes a restriction portion (705) that moves freely between a restriction position that restricts the movement of the charge / discharge engagement portion and a non-restriction position that does not restrict the movement of the charge / discharge engagement portion, and a magnetic A drive unit (702) formed of a material, a solenoid unit (701) arranged between the drive unit and the charge / discharge engagement unit, and a control unit and the drive unit. And a delivery mechanism section (80). The delivery mechanism portion sends the restricting portion to the restricting position when the drive portion is attracted to the solenoid portion, and pulls the restricting portion to the non-restricting position when the drive portion is attracted again to the solenoid portion. Pull back to the restricted position.

  According to the present invention, by repeating the operation of pulling the drive unit with one solenoid unit, the regulating unit can be moved between the regulated position and the non-regulated position so as to freely advance and retract.

  According to the present invention, it is possible to provide a charge / discharge connector that can maintain an engaged state with an inlet even if a disconnection or the like occurs, and can further simplify the structure of a wiring portion. Can do.

FIG. 1 is a perspective view showing an external configuration of a charge / discharge connector according to an embodiment of the present invention. FIG. 2 is a perspective view schematically showing the configuration of the charge / discharge engagement portion and the lock mechanism of the present embodiment. FIG. 3 is a transition diagram for explaining the delivery mechanism shown in FIG. FIG. 4 is a transition diagram for explaining the delivery mechanism shown in FIG. FIG. 5 is a diagram for explaining the operation of the locking mechanism shown in FIG. FIG. 6 is a diagram showing a schematic configuration of a conventional lock mechanism. FIG. 7 is a diagram showing a schematic configuration of the lock mechanism of the present embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In order to facilitate the understanding of the description, the same constituent elements in the drawings will be denoted by the same reference numerals as much as possible, and redundant description will be omitted.

  The charge / discharge connector 1 of the present embodiment shown in FIG. 1 is connected to a charge / discharge control device (not shown). The charge / discharge connector 1 is connected to an inlet (a receiving connector, not shown) of a vehicle equipped with a power storage device such as an electric vehicle. When the charging / discharging connector 1 is connected to the inlet, charging / discharging can be performed between the electric vehicle and the charging / discharging control device.

  The charge / discharge connector 1 includes a connector body 2 and a cable 9. The cable 9 includes an 11-core electric cable having a pair of power lines (not shown), a pair of CAN communication lines (not shown), a total of six transmission lines (not shown), and a ground line. The cable 9 is provided with the connector body 2 on one end side, and the other end side is connected to the charge / discharge control device.

  The connector main body 2 is formed in a cylindrical shape as a whole, the connecting portion 20 is provided at the front end, and the handle 42 is provided at the rear end. The connection portion 20 has four round holes 200 and 201 (charge / discharge terminal portions) opened on the front surface. The large-diameter round hole 200 accommodates a power contact (not shown) connected to the main circuit. On the other hand, the inside of the two small round holes 201 having a small diameter is divided into four sections, and transmission and grounding contacts (not shown) are respectively stored in the sections.

  On the rear end side of the connecting portion 20, a cylindrical tubular body 41 extrapolated to the connecting portion 20 is provided so as to be movable in the front-rear direction. The cylindrical body 41 is provided with an outer collar 410 at the front end, and is elastically biased forward by a spring (not shown) housed in the connector main body 2. When the connecting portion 20 is inserted into the inlet, the outer casing 410 is pushed against the front surface of the inlet and the cylinder 41 moves backward, and the engaging claws that have been pushed into the connector body 2 by being pushed by the cylinder 41. (Not explicitly shown in FIG. 1) advances out of the connector body 2 and engages with the engagement groove (not explicitly shown in FIG. 1) of the inlet.

  When the release button 43 provided on the connector main body 2 is pressed, the engagement claw is retracted into the connector main body 2 and the engagement with the engagement groove is released. In the connector body 2, a switch (not shown) that is turned off when the engaging claw is retracted into the connector body 2 and turned on when the engaging claw is advanced out of the connector body 2 is shown. Is stored.

  Here, a lock that locks the engagement claw so that it does not retract into the connector body 2 in order to prevent the engagement of the engagement claw and the engagement groove from being released by pressing the release button 43 during charging. A mechanism (not explicitly shown in FIG. 1) is provided in the connector body 2.

  The locking mechanism 70 will be described with reference to FIG. The charge / discharge connector 1 includes a charge / discharge engagement portion 60 and a lock mechanism 70.

  The charge / discharge engagement portion 60 includes a rotation shaft 601 and an engagement claw 602. The charge / discharge engagement portion 60 is engaged with the inlet receiving portion 50 of the inlet to maintain a joint state between the inlet receiving terminal portion (not shown) and the contact (not shown) which is the charge / discharge terminal portion. To do. The receiving side engaging portion 50 is provided with an engaging groove 501 that engages with the engaging claw 602.

  The lock mechanism 70 is a mechanism that maintains the engagement state between the charge / discharge engagement portion 60 and the receiving side engagement portion 50 by restricting the movement of the charge / discharge engagement portion 60. The lock mechanism 70 includes a solenoid unit 701, a drive unit 702, a push rod 703, a detection unit 704, a regulation unit 705, and a delivery mechanism unit 80.

  The restricting portion 705 is a portion that freely moves back and forth between a restricting position that restricts the movement of the charge / discharge engaging portion 60 and an unregulated position that does not restrict the movement of the charge / discharge engaging portion 60. The drive unit 702 is a portion made of a magnetic material.

  The solenoid part 701 is a part disposed between the drive part 702 and the charge / discharge engagement part 60. When the solenoid unit 701 is energized, the drive unit 702 is drawn toward the charge / discharge engagement unit 60 side.

  The detection unit 704 is a sensor for detecting the position of the regulation unit 705. A pair of detection units 704 are provided, and detection light is irradiated from one to the other. When the restricting portion 705 moves to a position where the movement of the charge / discharge engaging portion 60 is restricted, the detection light of the detecting portion 704 is blocked, so that the position of the restricting portion 705 can be detected according to the detection light reception state.

  The extrusion rod 703 is a rod that connects the drive unit 702 and the delivery mechanism unit 80. The delivery mechanism unit 80 is a portion disposed between the regulation unit 705 and the drive unit 702. The delivery mechanism unit 80 sends the regulating unit 705 to the regulated position when the drive unit 702 is attracted to the solenoid unit 701. The delivery mechanism 80 further pulls the restricting portion 705 back to the non-restricting position when the driving portion 702 is attracted again to the solenoid portion 701 from the state.

  The delivery mechanism 80 will be specifically described with reference to FIGS. 3, 4, and 5. FIG. FIG. 3 is a transition diagram for explaining the delivery mechanism unit 80 and is a diagram for explaining a state in which the regulating unit 705 is sent to the regulated position. FIG. 4 is a transition diagram for explaining the delivery mechanism unit 80 and is a diagram for explaining a state in which the regulating unit 705 is pulled back to the non-regulated position. FIG. 5A is a diagram illustrating a state in which the restricting portion 705 is sent from the non-restricted position to the restricted position. FIG. 5B is a diagram illustrating a state in which the restricting portion 705 is in the restricting position and is pulled back from the restricting position to the non-regulating position. FIG. 5C is a diagram illustrating a state in which the restricting portion 705 has finished returning to the non-restricted position.

  As shown in FIGS. 3 and 4, the delivery mechanism 80 includes a cam body 801, a pusher 802, a rotating cam member 803, and a spring (biasing part, not shown). The cam body 801 is formed integrally with the exterior body of the delivery mechanism unit 80. The exterior body of the delivery mechanism unit 80 is formed in a cylindrical shape, and the cam body 801 is formed inside the cylindrical exterior body at regular intervals. The cam body 801 is formed with a groove into which the rotating cam member 803 enters on the regulating portion 705 side.

  The extrusion unit 802 is provided on one end side of the extrusion rod 703. The other end side of the push rod 703 is connected to the drive unit 702. Grooves into which the rotating cam member 803 enters are provided at equal intervals at the distal end of the pushing portion 802.

  In the state shown in FIG. 3A, the rotating cam member 803 is urged by a spring and pushed into the drive unit 702 side. The rotating cam member 803 is provided on one end side of the restricting portion 705. The other end side of the restricting portion 705 is a side protruding to the charge / discharge engaging portion 60. The rotation cam member 803 is pushed and rotated from the drive unit 702 side to the charge / discharge engagement unit 60 side, thereby moving the advancement position (see FIG. 3) for sending the regulation unit 705 to the regulation position and the regulation unit 705 unregulated. It is configured to reciprocate between a retracted position (see FIG. 4) that is pulled back to the position.

  When the solenoid unit 701 is energized from the state shown in FIG. 5A, the drive unit 702 is drawn toward the charge / discharge engagement unit 60 side. When the drive unit 702 is pulled toward the charge / discharge engagement unit 60 side, the push rod 703 is also pulled toward the charge / discharge engagement unit 60 side.

  Since the extrusion part 802 is provided at one end of the extrusion rod 703, the extrusion part 802 moves to the regulation part 705 side as shown in FIG. The rotating cam member 803 that has entered the groove of the pushing portion 802 also moves toward the regulating portion 705 in accordance with the movement of the pushing portion 802.

  When energization to the solenoid unit 701 is completed, the push rod 703 and the push unit 802 are returned to the drive unit 702 side by a spring (not shown). As shown in FIGS. 3C and 3D, when the pushing portion 802 is returned to the drive portion 702 side, the rotating cam member 803 enters the inclined groove at the tip of the cam main body 801 and is inclined while rotating. Engage and hold the bottom of the groove. Since the rotating cam member 803 is connected to the restricting portion 705, the restricting portion 705 is held at the restricting position as shown in FIG.

  When the solenoid unit 701 is energized in the state of FIG. 5B, the drive unit 702 is again drawn toward the charge / discharge engagement unit 60 side. When the drive unit 702 is pulled toward the charge / discharge engagement unit 60 side, the push rod 703 is also pulled toward the charge / discharge engagement unit 60 side.

  Since the extrusion part 802 is provided in the end of the extrusion rod 703, the extrusion part 802 moves to the control part 705 side, as shown to (A) of FIG. When the pushing portion 802 reaches a position where the rotating cam member 803 is held, the rotating cam member 803 is detached from the cam body 801 as shown in FIG.

  Since the groove of the extruding portion 802 is also an inclined groove, the rotating cam member 803 moves to the bottom while rotating along the inclined groove. When energization to the solenoid unit 701 is completed, the push rod 703 and the push unit 802 are returned to the drive unit 702 side by a spring (not shown).

  As shown in FIGS. 4C and 4D, when the push-out portion 802 is returned to the drive portion 702 side, the rotating cam member 803 slides down from the inclined groove at the tip of the cam body 801, and the drive portion 702 side. Move to. Since the rotating cam member 803 is connected to the restricting portion 705, the restricting portion 705 is held at the non-restricted position as shown in FIG.

  As shown in FIG. 7, the lock mechanism 70 includes a solenoid unit 701, a drive unit 702, and a detection unit 704. A monitor line Lm is connected to the detection unit 704, and the common line Lc is shared with the solenoid unit 701. The solenoid unit 701 attracts the drive unit 702 by causing a current to flow from the drive line La to the common line Lc. In this embodiment, since the delivery mechanism portion 80 is provided, the restricting portion 705 can be moved forward and backward between the restricted position and the non-restricted position by repeatedly drawing the drive portion 702 with one solenoid portion 701. Can be made.

  Therefore, compared with the conventional lock mechanism shown in FIG. 6, the number of solenoids can be reduced by one and the drive line can be reduced by one.

1: Charging / discharging connector 60: Charging / discharging engagement part 70: Lock mechanism 701: Solenoid part 702: Drive part 705: Restricting part 80: Delivery mechanism part

Claims (2)

A charge / discharge connector (1) configured to be freely inserted and removed from a receiving connector of a device equipped with a power storage device,
Charge / discharge terminal portions (200, 201) electrically connected to the receiving terminal portion of the receiving connector;
A charge / discharge engagement portion (60) for maintaining a joined state between the reception side terminal portion and the charge / discharge terminal portion by engaging with the reception side engagement portion (50) of the reception side connector;
A lock mechanism (70) that maintains the engagement state between the charge / discharge engagement portion and the receiving side engagement portion by restricting the movement of the charge / discharge engagement portion;
The locking mechanism is
A regulating portion (705) that moves freely between a regulating position that regulates the movement of the charge / discharge engaging portion and a non-regulating position that does not regulate the movement of the charging / discharging engaging portion;
A drive unit (702) made of magnetic material;
A solenoid portion (701) disposed between the drive portion and the charge / discharge engagement portion;
A delivery mechanism portion (80) disposed between the restriction portion and the drive portion,
The delivery mechanism is
When the drive unit is drawn to the solenoid unit, the regulation unit is sent to the regulation position, and when the drive unit is drawn again to the solenoid unit, the regulation unit is pulled back to the non-regulation position. Charging / discharging connector characterized by The delivery mechanism is
An urging portion for urging the restricting portion toward the drive portion;
By being pushed and rotated from the drive unit side to the charge / discharge engagement unit side, a forward position where the restricting portion is sent to the restricting position and a retreat position where the restricting portion is pulled back to the non-restricted position. The charge / discharge connector according to claim 1, further comprising a reciprocating rotary cam member (803).

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