JP2013121251A - On-vehicle charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inhibit the deterioration of charging efficiency in an on-vehicle charger.SOLUTION: According to this invention, biasing means 20, biasing a portable device 6 installed on a surface of a portable device installation plate 8 to the front surface side of the portable device installation plate 8, is provided on the surface of the portable device installation plate 8. This structure inhibits the portable device 6 from frequently being moved away from the surface of the portable device installation plate 8 and being displaced on the surface several times due to vibrations and an inertial force occurring during the operation of the vehicle. Consequently, the deterioration of the charging efficiency is inhibited.

Description

  The present invention relates to an in-vehicle charging device mounted on a vehicle.

With the widespread use of portable devices, an in-vehicle charging device has been proposed that can charge the portable device even in a vehicle (for example, Patent Document 1 below).

  That is, the in-vehicle charging device includes a case having an opening on one side, a lid that covers the opening of the case so as to be openable and closable, and a charging that is disposed on the inner surface of the case facing the lid. The configuration includes a coil.

  When charging the portable device, the portable device is accommodated in the case, and the charging coil and the charging coil of the portable device are opposed to each other so that power is supplied by magnetic flux.

JP-A-4-317527

  In the conventional example, since the portable device is stored in the case, the display content of the portable device cannot be confirmed during charging.

  Therefore, in order to confirm the display content of the portable device during charging, the following configuration can be considered.

  In other words, the mobile device installation plate having the front side as the mobile device installation surface and the charging means provided on the back side of the mobile device installation plate are arranged, and the mobile device is arranged on the surface of the mobile device installation plate. If charging is performed, the display content of the portable device can be confirmed even during the charging.

  However, if the mobile device is simply placed on the surface side of the mobile device installation plate in this way, the mobile device is often separated from the surface of the mobile device installation plate due to vibrations and inertial force applied during vehicle operation, Misalignment occurs many times on this surface, resulting in a decrease in charging efficiency.

  Therefore, an object of the present invention is to suppress a decrease in charging efficiency.

  In order to achieve this object, the present invention provides an energization for urging a portable device installed on the surface of the portable device installation plate on the surface of the portable device installation plate. This provides a means to achieve the intended purpose.

As described above, the present invention includes a mobile device installation plate whose front side is a mobile device installation surface, and charging means provided on the back side of the mobile device installation plate, and on the surface of the mobile device installation plate. Since the urging means for urging the portable device installed on the surface of the portable device installation plate to the surface side of the portable device installation plate is provided, a decrease in charging efficiency can be suppressed.

  That is, in the present invention, on the surface of the mobile device installation plate, an urging means for urging the mobile device installed on the surface of the mobile device installation plate to the surface side of the mobile device installation plate is provided. Therefore, it is possible to prevent the mobile device from being frequently separated from the surface of the mobile device installation plate due to vibrations and inertial force applied when the vehicle is driven, and to be displaced many times on this surface. It is possible to suppress the decrease in the above.

The perspective view which shows the state which mounted the vehicle-mounted charging device concerning Embodiment 1 of this invention in the vehicle. Perspective view of the in-vehicle charger Perspective view of the in-vehicle charger Perspective view of the in-vehicle charger Perspective view of the in-vehicle charger Top view of the in-vehicle charger Cross-sectional view of the in-vehicle charging device (cross-sectional view taken along line AA in FIG. 6) Perspective view of the main part of the in-vehicle charging device Perspective view of the main part of the in-vehicle charging device Perspective view of the main part of the in-vehicle charging device Perspective view of the main part of the in-vehicle charging device Side view of the main part of the in-vehicle charger Side view of essential parts of the in-vehicle charging device (side view of BB in FIG. 14) Plan view of the main part of the in-vehicle charger Perspective view of the main part of the in-vehicle charging device Side view of the main part of the in-vehicle charger Perspective view of the main part of the in-vehicle charging device Perspective view of the main part of the in-vehicle charging device Side view of the main part of the in-vehicle charger Side view of the main part of the in-vehicle charger Control block diagram of the in-vehicle charger Operation flowchart of the in-vehicle charger Operation flowchart of the in-vehicle charger

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
(Embodiment 1)
In FIG. 1, reference numeral 1 denotes a vehicle main body, and a handle 3 is disposed in front of the vehicle main body 1 in the vehicle 2.

  In addition, on the left side of the handle 3, an in-vehicle electronic device 4 for viewing music or radio is disposed.

Furthermore, in the present embodiment, a vehicle-mounted charging device 5 is disposed below the vehicle-mounted electronic device 4.
As shown in FIGS. 2 to 4, the in-vehicle charging device 5 charges a mobile device 6 such as a mobile phone.

As can be understood from FIGS. 1 to 4, the in-vehicle charging device 5 has a main body case 7 disposed in a leaning state as viewed from the driver and passengers.

  The main body case 7 has a thin box shape, and the surface facing the driver or passenger is composed of a plate-shaped portable device installation plate 8 made of synthetic resin.

  And the surface of this portable apparatus installation board 8 becomes the portable apparatus installation surface 9 which mounts the said portable apparatus 6, As this portable apparatus installation surface 9 understands also from FIG. , About 60 degrees so that the driver and the passenger see the front side (front side of the vehicle body 1), and the lower part is the front side (rear side of the vehicle body 1) as seen from the driver and the passenger. It is installed in the vehicle 2 in an inclined state.

  Moreover, the charging means 10 shown in FIGS. 7 and 8 is arranged on the back side of the portable device installation plate 8.

  The charging unit 10 is not a major feature in the present embodiment, but has a configuration similar to that described in detail in, for example, the prior literature (for example, JP 2009-247194 A5 2009.12.17). In order to avoid complication of explanation, a brief explanation will be given.

  The charging means 10 in the present embodiment has a movable charging coil 11, and the charging coil 11 is freely moved in the X direction and the Y direction on the back side of the portable device installation plate 8. Yes.

  Specifically, the charging coil 11 is in a state in which a shaft 12 for moving in the X direction and a shaft 13 for moving in the Y direction are penetrated.

  Further, the engaging portion 14 provided on one end side (the lower end side in FIG. 7, the upper end side in FIG. 8) of the shaft 12 for X direction movement is engaged with a screw shaft 16 that is rotated by a motor 15.

  Further, the engaging portion 17 provided at the other end of the shaft 12 for moving in the X direction (the upper end side in FIG. 7 and the right end side in FIG. 8) is engaged with the shaft 18 so as to slide freely. Yes.

  Therefore, when the screw shaft 16 is rotated by the motor 15, the X-direction moving shaft 12 arranged in the vertical direction in FIGS. 2 to 5 and 7 moves in the X direction (left-right direction). .

  That is, the charging coil 11 through which the shaft 12 for moving in the X direction has passed moves in the X direction.

  Further, an engaging portion (not shown) provided on one end side (left end side in FIG. 8) of the shaft 13 for movement in the Y direction is a screw shaft (not shown) rotated by a motor (not shown). Is engaged.

  Further, an engaging portion (not shown) provided on the other end (right end side in FIG. 8) of the shaft 13 for movement in the Y direction is engaged with the rail 19 shown in FIG. Have been combined.

  Therefore, if the screw shaft is rotated by a motor that drives the Y-direction moving shaft 13, the Y-direction moving shaft 13 arranged in the lateral direction in FIGS. Move up and down).

  That is, the charging coil 11 through which the shaft 13 for movement in the Y direction passes moves in the Y direction.

  8 and FIG. 9 to FIG. 19 to be described hereinafter are rotated by 90 degrees from the states of FIG. 1 to FIG. 5 and FIG. 7 so as to facilitate understanding using the drawings. .

  Now, in this embodiment, the charging coil 11 and the charging coil (40 in FIG. 21) of the portable device 6 are opposed to each other so that the charging coil (40 in FIG. 21) of the portable device 6 The magnetic flux is made to reach, and thereby a battery (not shown) held by the mobile device 6 is charged. The mobile device installation plate 8 is made of synthetic resin so that the magnetic flux from the charging coil 11 toward the charging coil (40 in FIG. 21) of the mobile device 6 can pass.

  In this embodiment, in order to charge a battery (not shown) held by the portable device 6 in this way, the portable device 6 is simply mounted on the portable device installation surface 9 of the portable device installation plate 8. Instead, in this state, it is detected in which part of the portable device installation surface 9 the charging coil (40 in FIG. 21) of the portable device 6 exists, and then the charging coil 11 is placed in that part. As a result, it is necessary to make the charging coil 11 and the charging coil (40 in FIG. 21) of the portable device 6 face each other.

  Therefore, in the present embodiment as well, in the same manner as in the prior literature (for example, JP 2009-247194 A5 2009.12.17), whether the above-described mobile device 6 is installed on the mobile device installation surface 9 of the mobile device installation plate 8; A detection coil (39 in FIG. 21) for detecting whether or not was disposed on the entire back surface side of the portable device installation plate 8.

  Then, by this detection coil (39 in FIG. 21), it is detected in which part of the portable device installation surface 9 the charging coil (40 in FIG. 21) of the mobile device 6 exists, and the above-mentioned part is directed toward that part. As described above, the charging coil 11 is moved in the X direction and the Y direction.

  Moreover, the vehicle-mounted charging apparatus 5 of this embodiment charges the battery (not shown) of the portable device 6 by simply mounting the portable device 6 on the portable device installation surface 9 of the portable device installation plate 8. Therefore, during this charging, the mobile device 6 is often moved away from the mobile device installation surface 9 of the mobile device installation plate 8 due to vibrations or inertial force applied during driving of the vehicle. Cause a gap.

  In particular, in this embodiment, the portable device installation surface 9 of the in-vehicle charging device 5 is installed in a state of standing in the vehicle 2 as shown in FIG. 4 and charges the portable device 6 attached thereto. Therefore, since the mobile device 6 is often separated from the mobile device installation surface 9 due to vibrations and inertial force applied during vehicle operation during charging, or the position shifts many times on this surface, no countermeasures are taken. If this is not done, the charging efficiency will decrease.

  Therefore, the present embodiment has a great feature in that the mobile device 6 is prevented from moving from the mobile device installation surface 9 of the mobile device installation plate 8 during charging. This point will be described in detail.

  That is, in this embodiment, when the mobile device 6 is mounted on the mobile device installation surface 9 of the mobile device installation plate 8 as shown in FIG. 3, the mobile device 6 is installed as shown in FIG. An urging means 20 for urging (pressing) the plate 8 on the surface side of the portable device installation surface 9 of the plate 8 is provided.

  As is understood from FIGS. 4 and 8, the urging means 20 is a portable device holder provided on the surface of one end side (the lower end side in FIG. 4, the left end side in FIG. 8) of the portable device installation plate 8. 21 is provided.

  Since this mobile device holder 21 is provided with an insertion opening 22 into which one end side (the lower end side in FIG. 4) of the mobile device 6 is inserted, inside the mobile device holder 21 of the insertion opening 22, The urging means 20 is provided (it can also be provided outside the insertion opening 22).

  As shown in FIGS. 8 to 14, the urging means 20 urges the portable device 6 from the surface of the portable device 6 to the surface side of the portable device installation surface 9 of the portable device installation plate 8. It has a plate-like urging body 23 and driving means 24 for driving the urging body 23.

  First, the plate-like urging body 23 will be described. The urging body 23 is supported at its four corners at one end side (the upper end side in FIG. 9) of the rotation levers 25, 26, 27, and 28 so as to be rotatable. Further, the front side (left side in FIG. 9) of the plate-like urging body 23 is used as an urging portion, and an elastic body 30 is attached to the urging portion 29.

  Since the elastic body 30 protrudes to the surface side of the mobile device installation surface 9 on both sides of the urging portion 29, the mobile device 6 is moved from the surface of the mobile device 6 to the mobile device installation plate 8. When urging to the surface side of the mobile device installation surface 9, the elastic body 30 hits the surface of the mobile device 6, thereby preventing the surface of the mobile device 6 from being damaged.

  Next, the driving means 24 for driving the urging member 23 will be described. The driving means 24 includes the rotating levers 25, 26, 27, and 28 and the rotating levers 25, 26, 27, and 28. It is comprised by the rotation means (it does not attach | subject a code | symbol in order to avoid complication of drawing) to rotate.

  The other end side (the lower end side in FIG. 9) of the rotating levers 25, 26, 27, 28 is pivotally supported by the portable device holder 21.

  Now, as shown in FIGS. 9 to 14, the rotating means for rotating the rotating levers 25, 26, 27, and 28 (without reference numerals in order to avoid complication of the drawings) is approximately 1/4. A rotating body 31 that is circular and has a central portion pivotally supported by the portable device holder 21, a rotating motor 33 that rotates the rotating body 31 via a gear 32, the rotating body 31, and the rotating body 31. And an elastic body (34 in FIGS. 15 to 18) to which the rotation lever 25 is connected.

  This part will be described in more detail. A gear (not labeled) is formed on the outer periphery of the rotating body 31, and the rotating motor 33 is connected to the gear via the gear 32. Are connected.

  Therefore, if the rotation motor 33 is driven, the rotation body 31 is moved from the state shown in FIGS. 9 to 14 to the state shown in FIGS. 15 to 20 via the gear 32 and vice versa. It can be rotated to the state of FIGS.

  As shown in FIGS. 15, 16, and 17, the elastic body 34 described above is housed in the fan-shaped recess 35 of the rotating body 31.

The elastic body 34 is configured by a fan-shaped linear spring, the center of which is pivotally supported by the pivotal support portion of the rotating body 31 to the portable device holding body 21, and one of the arm portions extending on both sides thereof is illustrated in FIG. As shown in FIGS. 15 to 18, the other arm portion that is in contact with one surface of the recess 35 of the rotating body 31 and extends on both sides is in contact with the rotating lever 25.

  8 to 14 show a state in which the rotating body 31 is driven by the rotating motor 33 in the direction in which both arms of the elastic body 34 open. At this time, the switch 36 is pushed by the rotating body 31 to rotate. The motor 33 stops.

  This state is a state where the portable device 6 is not attached to the portable device installation surface 9 as shown in FIG.

  At this time, when the rotating body 31 is rotated counterclockwise in FIG. 10 by the rotating motor 33, the protrusion of the rotating lever 25 (from the rotating lever 25 to the inward direction of the recess 35 of the rotating body 31). As shown in FIG. 18, the protruding lever (not shown) engages with the left surface of the operating portion 37 provided on the right side in the recess 35 of the rotating body 31, so that the rotating lever 25 is in FIG. As shown in FIG.

  That is, at this time, the plate-like urging body 23 is also in a horizontal state, and in this state, the insertion opening 22 of the portable device holding body 21 is not affected by the urging body 23 and is in an open state. ing.

  2 is in this state and is not affected by the urging member 23, and the one end side (the lower end side in FIG. 4) of the portable device 6 is inserted into the insertion opening 22 of the portable device holder 21 that has been opened. As shown, it can be inserted very easily.

  As shown in FIG. 3, when one end side (the lower end side in FIG. 4) of the mobile device 6 is inserted into the insertion opening 22 of the mobile device holder 21, the mobile device 6 follows the inclination of the mobile device installation surface 9. In this way, the mobile device 6 comes into contact with the mobile device installation surface 9.

  Then, also in this embodiment, whether the portable device 6 mentioned above was installed in the portable device installation surface 9 of the portable device installation board 8 similarly to a prior art document (for example, JP 2009-247194 A5 2009.12.17), Is detected by a detection coil (39 in FIG. 21) arranged on the entire back surface side of the portable device installation board 8.

  Further, in which part of the mobile device installation surface 9 the charging coil (40 in FIG. 21) of the mobile device 6 is present is detected in the same manner as in the prior literature (for example, JP 2009-247194 A5 2009.12.17). To do.

  Then, when such detection is completed, the charging coil 11 is moved in the X direction and the Y direction so that the charging coil 11 and the charging coil (40 in FIG. 21) of the portable device 6 face each other (above) The operation is the operation of S1 in FIG. 22 by the control unit 42 in FIG.

  Further, in the present embodiment, when it is detected that the portable device 6 is installed on the portable device installation surface 9 of the portable device installation plate 8 in this manner, the rotation motor 33 is driven and rotated via the gear 32. The moving body 31 is rotated clockwise from FIGS. 9 to 14 to the states of FIGS.

  In this state, as shown in FIG. 18, the operation portion 37 in the concave portion 35 of the rotating body 31 is also rotated in the clockwise direction, so that the protrusion of the rotating lever 25 is not restricted.

Further, at this time, as can be understood from FIG. 18, one arm of the elastic body 34 is brought into contact with one surface of the concave portion 35 of the rotating body 31 as shown in FIGS. Since it is contacted and pushed clockwise, the space between the other arm portion of the elastic body 34 is compressed.

  At this time, since the other arm portion of the elastic body 34 is brought into contact with the rotating lever 25 as described above, the rotating lever 25 is pushed clockwise as shown in FIGS. (FIGS. 19 and 20 are viewed from the opposite directions of FIGS. 15 to 18, and are shown as being pushed counterclockwise).

  As a result, the urging body 23 is inclined and moved toward the surface of the portable device 6 as shown in FIGS. 16 and 4, and the elastic bodies 30 on both sides of the urging portion 29 are urged to the surface of the portable device 6. (This operation is the operation of S2 in FIG. 22 by the control unit 42 in FIG. 21).

  For this reason, it is possible to suppress the mobile device 6 from being frequently separated from the surface of the mobile device installation surface 9 due to vibrations or inertial forces applied during vehicle operation, or causing positional displacement many times on this surface. As a result, a decrease in charging efficiency can be suppressed.

  Further, since the elastic bodies 30 on both sides of the urging portion 29 are urged to the surface of the mobile device 6, it is possible to prevent the surface of the mobile device 6 from being damaged.

  16 to 18, when the rotating body 31 is driven by the rotating motor 33 in the direction in which both arms of the elastic body 34 are closed, as shown in FIGS. When the switch 38 is pressed, the rotation motor 33 stops (operations S3 and S4 in FIG. 22 by the control unit 42 in FIG. 21).

  According to this embodiment, the surface urging of the portable device 6 by the urging body 23 and the opposing movement of the charging coil 11 to the charging coil (40 in FIG. 21) of the portable device 6 are substantially simultaneously performed. However, after the surface of the portable device 6 is urged by the urging body 23, that is, after the position of the portable device 6 to the portable device installation surface 9 is fixed, the portable device of the charging coil 11 described above is used. If the opposite movement to the charging coil 6 (40 in FIG. 21) is performed, the movement of the charging coil 11 may be performed in a shorter time.

  FIG. 21 shows a control block, and the rotation motor 33, switches 36 and 38, a coil drive mechanism 41 including the motor 15, the charging coil 11, and the detection coil 39 are connected to the control unit 42.

  Further, a discharge button 43 shown in FIG. 4 is also connected to the control unit 42, and when the discharge button 43 is pressed, the rotation motor 33 is changed from the state of FIGS. 4 and 15 to 20 to FIG. 8 to 14, and as a result, the surface biasing of the mobile device 6 by the biasing body 23 is released, so that the mobile device 6 can be easily removed from the insertion opening 22 of the mobile device holding body 21. (Operations S5 and S6 in FIG. 23 by the control unit 42 in FIG. 21).

  At this time, since the switch 36 is pushed by the rotating body 31, the rotating motor 33 stops (operations S7 and S8 in FIG. 23 by the control unit 42 in FIG. 21).

  Further, when the portable device 6 is pulled out from the insertion opening 22 of the portable device holder 21 without pressing the discharge button 43, the charging coil 40 of the portable device 6 cannot be detected by the detection coil 39. 33 is rotated from the state of FIGS. 4 and 15 to 20 to FIGS. 3 and 8 to 14, and as a result, the biasing body 23 is moved to the surface non-biased state of the portable device 6. (Operations in S7 and S6 in FIG. 23 by the control unit 42 in FIG. 21).

Also at this time, since the switch 36 is pushed by the rotating body 31, the rotating motor 3
3 stops (the operations of S7 and S8 in FIG. 23 by the control unit 42 in FIG. 21).

  As shown in FIG. 7, one end side (lower end side) of the portable device 6 inserted into the portable device holder 21 is located on the back side (lower side in FIG. 7) in the portable device holder 21. Therefore, when the portable device 6 is inserted into the portable device holding body 21, the buffer 44 exerts a buffering action at the time of insertion.

  Further, as shown in FIG. 7, the buffer body 44 is provided with an inclined surface 45 for guiding the mobile device 6 to the mobile device installation surface 9 side of the mobile device installation plate 8. It becomes easy to make the apparatus 6 and the portable apparatus installation surface 9 of the portable apparatus installation board 8 closely_contact | adhere.

  The buffer body 44 is provided with an inclined surface 45 that guides the mobile device 6 to the mobile device installation surface 9 side of the mobile device installation plate 8, so that the buffer body 44 is harder than the elastic body 30.

  As described above, the present invention includes a mobile device installation plate whose front side is a mobile device installation surface, and charging means provided on the back side of the mobile device installation plate, and on the surface of the mobile device installation plate. Since the urging means for urging the portable device installed on the surface of the portable device installation plate to the surface side of the portable device installation plate is provided, a decrease in charging efficiency can be suppressed.

  That is, in the present invention, on the surface of the mobile device installation plate, an urging means for urging the mobile device installed on the surface of the mobile device installation plate to the surface side of the mobile device installation plate is provided. Therefore, it is possible to prevent the mobile device from being frequently separated from the surface of the mobile device installation plate due to vibrations and inertial force applied when the vehicle is driven, and to be displaced many times on this surface. It is possible to suppress the decrease in the above.

  Therefore, utilization as an in-vehicle charging device of the present invention is expected.

DESCRIPTION OF SYMBOLS 1 Vehicle main body 2 Car interior 3 Handle 4 In-vehicle electronic device 5 In-vehicle charging device 6 Portable device 7 Main body case 8 Portable device installation board 9 Portable device installation surface 10 Charging means 11 Charging coil 12 Shaft 13 Shaft 14 Engaging portion 15 Motor 16 Screw shaft 17 Engaging portion 18 Shaft 19 Rail 20 Biasing means 21 Portable device holder 22 Insertion opening 23 Biasing body 24 Driving means 25, 26, 27, 28 Rotating lever 29 Biasing portion 30 Elastic body 31 Rotating body 32 Gear 33 Rotating motor 34 Elastic body 35 Concave part 36 Switch 37 Operation part 38 Switch 39 Detection coil 40 Charging coil 41 Coil drive mechanism 42 Control part 43 Eject button 44 Buffer body

Claims (10)

A portable device installation plate having a portable device installation surface on the surface side, and a charging means provided on the back side of the portable device installation plate, the surface of the portable device installation plate on the surface of the portable device installation plate The vehicle-mounted charging device provided with the urging means which urges | biases the portable apparatus installed in this to the surface side of this portable apparatus installation board. A portable device holder is provided on the surface of the portable device installation plate, and the portable device holder has an insertion opening for inserting one end of the portable device, and the insertion opening or the insertion opening. The in-vehicle charging device according to claim 1, wherein the urging means is provided inside the portable device holder. The biasing means includes a biasing body that biases the portable device from the surface of the portable device toward the surface of the portable device installation plate, and a driving unit that drives the biasing body. Or the vehicle-mounted charging device of 2. 4. The drive means according to claim 3, wherein one end side of the drive means is pivotally supported by the biasing body, and the other end side is pivotally supported by the support body, and a turning means for turning the turning lever. The vehicle-mounted charging device as described. The rotation means includes a rotation body, a rotation motor that rotates the rotation body, and an elastic body that connects the rotation body and the rotation lever. The elastic body includes the biasing body. The in-vehicle charging device according to claim 4, wherein when the mobile device moves to the surface side of the portable device, the mobile device is compressed between the rotating body and the rotating lever. 6. The in-vehicle charging apparatus according to claim 5, further comprising: a rotation start point position detection unit that detects a rotation start point position of the rotation body; and a rotation end point position detection unit that detects a rotation end point position of the rotation body. The said urging | biasing body is a plate-shaped and the front side side of this plate-shaped urging | biasing body is made into the urging | biasing part, The elastic body was mounted | worn with this urging | biasing part. In-vehicle charger. The in-vehicle charging device according to any one of claims 2 to 7, wherein a buffer body that abuts on one end side of the portable device inserted into the portable device holding body is provided on the inner side of the portable device holding body. . The in-vehicle charging device according to claim 8, wherein the shock absorber is harder than the elastic body. The vehicle-mounted charging device according to claim 1, wherein the portable device installation plate is disposed upright.