JP2015109764A - Wireless charging stand - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wireless charging stand capable of being flexibly located in a limited installation space.SOLUTION: The wireless charging stand for supplying electric power to a portable apparatus includes: a power transmission coil for supplying the electric power to a power receiving coil provided in a portable apparatus in a wireless manner; a case covering the power transmission coil, which includes a placement area for a placing a portable apparatus; and a drive circuit that supplies AC electric power to the power transmission coil. The drive circuit is disposed out of the portable apparatus placement area in a plan view.

Description

  The present invention relates to a charging stand that can supply charging power wirelessly to portable devices such as smartphones, tablet PCs, and single battery packs.

  In recent years, a charging stand has been developed that wirelessly supplies power necessary for charging a battery built in a portable device such as a smartphone, a tablet PC, or a single battery pack. In such a device, electric power is transmitted by the action of electromagnetic induction from the power transmission coil built in the charging stand to the power reception coil built in the portable device, and the battery connected to the power reception coil is charged.

  There exists patent document 1 as an example of such a charging stand. The charging stand disclosed in Patent Document 1 has a main body case in which a mobile terminal installation plate is arranged on the upper surface, and a charging coil and a control board are installed on the lower surface side of the mobile terminal installation plate in the main body case.

  On the other hand, it is required to install the charging stand as described above in a limited space such as the interior of a car. For example, Patent Document 2 proposes that a charging unit and an audio reproduction unit are stacked and installed in a vehicle.

Japanese Patent No. 5229414 JP 2012-186933 A

  In the conventional charging stand as described in Patent Document 1, in order to maximize the ratio of the mobile terminal installation plate to the outer shape of the main body case, the control board that drives the power transmission coil and the mobile terminal installation plate overlap. It is the structure laminated | stacked on. In such a structure, the thickness of the charging stand becomes large, which becomes an obstacle when installed in a limited space.

  Therefore, the present specification discloses a wireless charging base that can flexibly cope with a limited installation space.

  A charging stand of the present disclosure is a charging stand for supplying power to a portable device, and covers a power transmission coil that wirelessly supplies power to a power receiving coil built in the portable device, covers the power transmission coil, and is portable. A case unit having a portable device installation area for installing the device and a drive circuit unit for supplying AC power to the power transmission coil, the drive circuit unit being located outside the portable device installation region when viewed in plan To do.

  According to this configuration, since the control board is not stacked and disposed inside the case like the conventional charging stand, the degree of freedom of the installation form is increased and the installation can be performed in a limited space.

  The charging stand according to the present disclosure further includes a slide base that is movable in at least one direction, and the case unit and the drive circuit unit are preferably fixed to the slide base.

According to this configuration, the charging stand can be thinned, and a charging tray having a drawer structure can be installed in a limited space.

  In the charging stand according to the present disclosure, the drive circuit unit may include an input unit for inputting DC power and an inverter that converts the DC power into AC power.

  In the charging stand according to the present disclosure, it is preferable that the power transmission coil is movable in the portable device installation area along the inner surface of the case portion.

  According to this configuration, when the user installs the mobile device, it can be freely installed without being aware of the location as long as it is within the mobile device installation area.

  In the charging stand of the present disclosure, the drive circuit unit may include a control unit that controls movement of the power transmission coil.

  It is preferable that the charging stand according to the present disclosure further includes a position detection unit in the mobile device installation area, and the position detection unit specifies the position of the power receiving coil built in the mobile device installed in the mobile device installation area.

  According to this configuration, after the user installs the portable device, the position of the portable device can be automatically specified and charging can be started.

  The charging stand according to the present disclosure preferably further includes an exhaust fan that exhausts air existing in the space on the drive circuit unit.

  According to this structure, the heat dissipation of the drive circuit unit can be enhanced.

  The charging stand according to the present disclosure may further include a movable mechanical control unit that controls the movement of the slide base.

  In the charging stand of the present disclosure, the slide base is housed in the center console portion of the automobile instrument panel, and the slide base is pulled out from the instrument panel, so that the portable device can be installed in the portable device installation area. preferable.

  According to this configuration, the charging tray having a drawer structure can be installed on the instrument panel of the automobile.

  In the charging stand according to the present disclosure, the slide base is preferably stacked with the audio device unit, and the slide base and the audio device unit are preferably housed in a main body case that fits into a 2DIN size housing unit.

  According to this configuration, an on-vehicle device in which the audio device unit and the charger unit are in one package can be realized. Furthermore, because it conforms to the standard size, it is possible to install a charging stand in many car models.

  In the charging stand of the present disclosure, it is preferable that the display unit of the audio device unit is also used as a display unit that displays a state of charge.

  According to this configuration, the space utilization efficiency can be increased.

The charging stand of the present disclosure includes an operation unit that operates start and stop of a charging operation and movement of the slide base, and the operation unit is preferably installed on an operation panel of the audio device unit.

  According to this configuration, the space utilization efficiency can be increased.

  In the charging stand according to the present disclosure, the drive circuit unit is preferably installed in the audio device unit.

  According to this configuration, it is possible to increase the size of the mobile device installation area and the amount of slide base extraction.

  In the charging stand according to the present disclosure, it is preferable that the drive circuit unit is vertically placed on the slide base.

  According to this configuration, it is possible to increase the size of the mobile device installation area and the amount of slide base extraction.

  According to the charging stand disclosed in the present specification, it is possible to realize a wireless charging stand that can flexibly cope with a limited installation space such as in a car.

The figure which shows the instrument panel of the motor vehicle in which the charging stand of 1st Embodiment was mounted. (A) The figure which shows the whole charging stand which concerns on 1st Embodiment (b) The figure which shows the state by which the charging tray of the charging stand which concerns on 1st Embodiment was pulled out. Sectional drawing of the charging stand which concerns on 1st Embodiment Functional block diagram of the charger unit according to the first embodiment (A) The exploded perspective view of the charger part which concerns on 1st Embodiment (b) The figure which shows the state which assembled the charger part which concerns on 1st Embodiment (A) The figure which shows the structure of the position detection part of the charger part which concerns on 1st Embodiment (b) The figure explaining the principle The figure which looked at the charger part which concerns on 1st Embodiment from the top plate side planarly The figure which looked at the charging stand which concerns on 1st Embodiment from the right side board side The figure which shows the flow of the air inside the charging stand which concerns on 1st Embodiment. FIG. 2 is an exploded perspective view including a charger unit and an audio device unit according to the first embodiment. (A) Cross-sectional view of a charging stand according to the second embodiment (b) A view showing a state where a charging tray of the charging stand according to the second embodiment is pulled out (c) In a modification of the second embodiment Sectional drawing of the charging stand which concerns. (A) Sectional drawing of the charging stand which concerns on 1st Embodiment (b) The figure which shows the state by which the charging tray of the charging stand which concerns on 1st Embodiment was pulled out (A) Sectional drawing of the charging stand which concerns on 3rd Embodiment (b) The figure which shows the state by which the charging tray of the charging stand which concerns on 3rd Embodiment was pulled out

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

(First embodiment)
1-10 has shown the structure of the charging stand which concerns on 1st Embodiment. FIG. 1 shows a front panel portion viewed from the seat side of an automobile. The charging stand 1 is installed in the center console part of the instrument panel. The charging stand 1 is 2DI provided in the center console section.
It is stored in the N size storage. Fig.2 (a) has shown the whole charging stand 1 of the state removed from the center console part. In the present embodiment, the charging stand 1 is formed by stacking a charger unit 2 and an audio device unit 3. The charger unit 2 and the audio device unit 3 are housed in a main body case 4 that is suitable for a 2DIN size housing unit. In this way, by setting the main body case 4 to a standardized size, it can be attached to many vehicle types. The main body case 4 includes a top plate 5, a bottom plate 6 facing the top plate 5, a right side plate 7, a left side plate 8, and a back plate 9 facing the operation panel. The charger unit 2 has a charging tray 10 that can move forward and backward, and FIG. 2A shows a state in which the charging tray 10 is housed in the main body case 4. .

  On the front surface of the audio device unit 3, an operation panel 13 in which a display unit 11 and an operation unit 12 such as a switch and a knob are arranged is installed. Various kinds of information such as the volume of the sound, the song title, and the channel selection name are appropriately displayed on the display unit 11 when playing music or listening to the radio. Further, the display unit 11 also serves as a display unit for displaying the charging state of the charger unit 2, and whether or not the charging tray 10 of the charger unit 2 is open or whether or not the charging operation is being performed. , Etc. are also displayed. In addition, when the user operates the operation unit 12, operations of the audio device unit 3 such as reproduction, music selection, and volume adjustment are performed. Further, the operation unit 12 also serves as an operation unit for operating the start and stop of the charging operation and the movement of the charging tray 10.

  Next, the basic operation of the charging stand according to this embodiment will be described.

  When the user presses the open / close switch in the operation unit 12, the charging tray 10 is pulled out from the main body case 4 as shown in FIG. At this time, the portable device installation area 14 is exposed. In the present embodiment, the portable device installation area 14 is defined by a wall portion 15 that rises from the surface of the charging tray 10.

  When the user presses the open / close switch with the mobile device installed in the mobile device installation area 14, the charging tray 10 is again stored in the main body case 4 as shown in FIG. In this state, when the user presses the charging start switch in the operation unit 12, the supply of power to the portable device is started, and the battery built in the portable device is charged.

  Next, the detailed structure of the charger unit 2 will be described with reference to FIGS. 3 to 9.

  FIG. 3 shows a cross-sectional view of the charging stand 1 as viewed from the side. The charger unit 2 wirelessly supplies power to a power receiving coil 17 built in the mobile device 16, and covers the power transmission coil 18 and a mobile device installation area 14 for installing the mobile device 16. And a drive circuit unit 20 in which a drive circuit for supplying AC power to the power transmission coil 18 is formed. The drive circuit unit 20 is disposed outside the case unit 19. The case portion 19 includes a first case portion 19A that encloses the power transmission coil 18, and a second case portion 19B that covers the upper surface of the first case portion 19A. The second case portion 19 </ b> B has a wall portion 15 that defines the mobile device installation area 14. In addition, the case part 19 does not necessarily need to be comprised from the above two members, and the 1st case part 19A and the 2nd case part 19B may be comprised by a single member. The case portion 19 and the drive circuit portion 20 are fixed on a slide base 21 that can move back and forth. When the slide base 21 moves forward, the charging tray 10 is pulled out from the instrument panel. The presser spring 22 is a spring that moves up and down in conjunction with the back-and-forth movement of the slide base 21 and presses the portable device 16 from above when the slide base 21 is stored in the main body case 4. is there.

  Since the charging base of this embodiment is not a structure in which the control board and the mobile terminal installation board overlap so as to overlap with the conventional charging base, the degree of freedom of the installation form increases and can be installed in a limited space. Become. In particular, in the present embodiment, the case portion 19 and the drive circuit portion 20 are both fixed to the slide base 21, and the drive circuit portion 20 is positioned outside the portable device installation area 14 when viewed from the top side. Therefore, the charger unit 2 can be thinned.

  The charging stand according to the present embodiment further includes a movable mechanism control unit 23 on which a movable mechanism control circuit for controlling the movement of the slide base 21 is formed, an audio board 47 in the audio device unit 3, and the movable mechanism control unit 23. And a relay unit 24 for relaying. The movable mechanical control unit 23 and the relay unit 24 are connected by an FPC (Flexible Printed Circuits) 25. A signal generated when the user operates the operation unit 12 is transmitted to the charger unit 2 via the relay unit 24 and the FPC 25.

  FIG. 4 shows a functional block diagram of the charger unit 2. In the drive circuit unit 20, at least a circuit for supplying AC power to the power transmission coil 18 is formed. Specifically, the drive circuit unit 20 includes a charging power supply unit 26 and a charging unit 27. The charging power supply unit 26 includes an input unit 28 for inputting DC power from an external power supply, and outputs DC power to a subsequent charging unit 27. The charging unit 27 includes an inverter 29 that converts DC power output from the charging power supply unit 26 into AC power. The electric power converted from direct current to alternating current in the charging unit 27 is supplied to the power transmission coil 18. Then, an AC magnetic field is generated from the power transmission coil 18, and power is wirelessly supplied to the power reception coil 17 inductively coupled to the power transmission coil 18.

  In addition, a signal demodulator 30 and a controller 31 are formed in the drive circuit unit 20.

  The signal demodulator 30 receives a signal transmitted from the portable device 16 via the power transmission coil 18, further demodulates the signal, and transmits the demodulated signal to the controller 31. The signal transmitted from the portable device 16 includes, for example, a charging request signal, a signal notifying completion of charging, a signal notifying a charging voltage value, a signal notifying a charging current value, and the like.

  The control unit 31 controls the operation of the charger unit 2 and various parameters based on the signal transmitted from the signal demodulation unit 30. Various parameters include, for example, a transmission voltage and a transmission frequency. The control unit 31 is further connected to the display unit 11, the operation unit 12, the position detection unit 32, and the power transmission coil drive mechanism 33.

  The power transmission coil drive mechanism 33 is controlled by the control unit 31 and disposed outside the drive circuit unit 20. The power transmission coil 18 is driven by the power transmission coil drive mechanism 33 and moves in the portable device installation area 14 along the inner surface of the case portion 19.

  FIG. 5A shows an exploded perspective view of the charger unit 2. As shown in FIG. 5A, the drive circuit unit 20 and the first case unit 19 </ b> A are fixed to the slide base 21 via the mounting bracket 34. Further, the second case portion 19B is fixed so as to cover the first case portion 19A. A movable mechanism control unit 23 is fixed on the drive circuit unit 20. In the present embodiment, a position detection coil 35 to be the position detection unit 32 is formed on the upper surface of the first case unit 19A. When the components shown in FIG. 5A are assembled, the charger unit 2 shown in FIG. 5B is obtained.

FIG. 6A is a diagram illustrating the configuration and principle of the position detection unit 32 in the present embodiment. The position detection coil 35 includes a plurality of X-axis detection coils 35A that detect the position of the power receiving coil 17 in the X-axis direction, and a plurality of Y-axis detection coils 35B that detect a position in the Y-axis direction. The pulse power source 36 formed in the drive circuit unit 20 is connected to a plurality of position detection coils 35 via a switch circuit 37 formed in the drive circuit unit 20. The pulse power supply 36 is sequentially connected to each of the plurality of position detection coils 35 by the switch circuit 37, thereby outputting a pulse signal to the plurality of position detection coils 35 in order. A pulse wave is generated from the position detection coil 35 to which the pulse signal is input, and the power receiving coil 17 is excited by the pulse wave. An echo wave is generated from the excited power receiving coil 17, and the echo wave is received by the position detection coil 35. Therefore, as shown in FIG. 6B, an echo signal is generated in the position detection coil 35 near the power receiving coil 17 with a predetermined time delay after the pulse signal is input. The echo signal generated in the position detection coil 35 is output to the reception circuit 38 formed in the drive circuit unit 20. The output of the receiving circuit 38 is input to the control unit 31, and the position of the power receiving coil 17, that is, the position of the mobile device 16 is specified by the control unit 31 analyzing the level of the echo signal.

  Note that the position detection method of the portable device 16 is not limited to the above-described method. The method used can be used.

  FIG. 7 is a cross-sectional view of the inside of the charger unit of the present embodiment when viewed in plan from the top plate side of the main body case. As shown in FIG. 7, the drive circuit unit 20 is disposed outside the first case unit 19 </ b> A that houses the power transmission coil 18. As a result, the drive circuit unit 20 is located outside the portable device installation area 14. 19 A of 1st case parts further incorporate the power transmission coil drive mechanism 33 to which the power transmission coil 18 is moved. The power transmission coil drive mechanism 33 includes an X-axis screw rod 39A, an X-axis motor 39B, a Y-axis screw rod 40A, and a Y-axis motor 40B. The X-axis motor 39B and the Y-axis motor 40B rotate the X-axis screw rod 39A and the Y-axis screw rod 40A, respectively, so that the power transmission coil moves in the X-axis direction and the Y-axis direction.

  When instructed to start charging, the control unit 31 operates the position detection unit 32 described above, and as a result, the position of the power receiving coil 17 is specified. Next, the control unit 31 operates the power transmission coil drive mechanism 33 to move the power transmission coil 18 directly below the power reception coil 17. After the power transmission coil 18 moves directly below the power reception coil 17, the AC power is generated by generating an AC magnetic field from the power transmission coil 18.

  Next, improvement in heat dissipation in this embodiment will be described.

  FIG. 8 is a view of the charging stand of the present embodiment as viewed from the right side plate side of the main body case 4. As shown in FIG. 8, an exhaust fan 41 is provided on the side surface of the main body case. The exhaust fan 41 is provided at a position facing a space 42 provided on the drive circuit unit 20 in FIG. 3, and has a function of discharging air existing in the space 42 out of the main body case 4. The air existing in the space 42 is heated by the heat generated by the drive circuit unit 20 and has a high temperature. In particular, the inverter 29 included in the drive circuit unit 20 generates significant heat when operating, and this heat is transmitted to the air in the space 42. By discharging this high-temperature air to the outside of the main body case 4 by the exhaust fan 41, an improvement in heat dissipation of the drive circuit unit 20 can be expected. Further, the main body case 4 is provided with an intake port (not shown), and an air flow of intake port → space 42 → exhaust fan 41 is formed. FIG. 9 is an example of a structure that creates such an air flow. The arrows in the figure indicate the air flow. Air sucked from the air inlet 43 provided on the left side plate of the main body case 4 passes through the space 42 and is discharged out of the main body case 4 by the exhaust fan 41. By creating such an air flow, it is possible to always replace the air existing in the space 42 provided on the drive circuit unit 20 with a new one.

In the conventional charging stand, since the control board for driving the power transmission coil and the mobile terminal installation board are arranged so as to overlap, there is not enough space on the control board, and an exhaust fan like this embodiment is provided. Was difficult. However, in the present embodiment, since the drive circuit unit 20 is located outside the mobile device installation area 14, a sufficient space 42 can be provided on the drive circuit unit 20, and the exhaust fan 41 as described above is provided. be able to.

  Note that the exhaust fan 41 in the present embodiment also serves to exhaust heat generated from the audio device unit 3.

  FIG. 10 is an exploded perspective view including the charger unit 2 and the audio device unit 3. A movable mechanism 44 for moving the slide base 21 back and forth is installed between the bottom plate 6 and the slide base 21, and the movable mechanism controller 23 and the movable mechanism 44 are connected by FPC. The exhaust fan 41 is attached to a radiator 45 provided on the right side plate 7. An intermediate plate 46 is provided between the charger unit 2 and the audio device unit 3 to partition the both. On the middle plate 46, an audio board 47, a metal fitting 48 for mounting the operation panel 13, a switch board 49, an LCD serving as the display unit 11, and the operation panel 13 provided with the operation unit 12 are provided.

  As described above, the charging base according to the present embodiment is not a structure in which the control board and the mobile terminal installation board are stacked so as to overlap like the conventional charging base, so that the degree of freedom of the installation form is increased and limited. It becomes possible to install in the space. In particular, since the case unit 19 and the drive circuit unit 20 are both fixed to the slide base 21 and the drive circuit unit 20 is located outside the portable device installation area 14 when viewed from the top, the charger It is possible to make the portion 2 thinner. Since the charger unit 2 is thinned, a flexible layout in which the charging tray 10 having a drawer structure is stacked with the audio device unit 3 and then stored in a 2DIN size storage unit is possible. Further, since the drive circuit unit 20 is located outside the portable device installation area 14 in plan view, a sufficient space 42 can be provided around the drive circuit unit 20, and the air present in the space is exhausted by the exhaust fan. By discharging at 41, it is possible to improve heat dissipation.

(Second Embodiment)
Next, a second embodiment will be described. Fig.11 (a) is sectional drawing which looked at the charging stand which concerns on the 2nd Embodiment of this invention from the side surface direction. In the present embodiment, the drive circuit unit 20 and the movable mechanical control unit 23 are vertically mounted on the slide base 21 after the area is reduced by dense mounting as compared to the first embodiment. . With such a configuration, the ratio of the drive circuit unit 20 in the slide base 21 can be reduced, and conversely, the ratio of the case unit 19 can be increased. As a result, the mobile device installation area 14 can be greatly expanded, and a larger mobile device can be installed.

  FIG.11 (b) has shown the state by which the slide base 21 was pulled out in the charging stand of Fig.11 (a). As shown in FIG. 11 (b), in accordance with the enlargement of the mobile device installation area 14, the pull-out amount of the slide base 21 is also increased. As a result, the ease of taking out the portable device 16 is also improved. For comparison, FIGS. 12A and 12B show a state in which the slide base 21 in the charging stand according to the first embodiment is housed and a state in which the slide base 21 is pulled out, respectively. As shown in the drawing, it can be seen that the second embodiment is superior in both the size (A) of the mobile device installation area 14 and the amount of pull-out (B) of the slide base.

In addition, in the charging stand shown to Fig.11 (a), it arrange | positions in order of the movable mechanism control part 23 and the drive circuit part 20 seeing from the case part 19. FIG. When the FPC 25 that connects the relay unit 24 and the movable mechanical control unit 23 is folded when the slide base 21 is stored, the FPC 25 is accommodated between the movable mechanical control unit 23 and the drive circuit unit 20. On the other hand, FIG.11 (c) has shown the modification of the charging stand which concerns on this embodiment. As shown in FIG. 11C, the FPC 25 folded when the slide base 21 is stored may be accommodated between the drive circuit unit 20 and the back plate 9 of the main body case 4. Although not shown, the arrangement of the movable mechanical control unit 23 and the drive circuit unit 20 may be interchanged.

(Third embodiment)
Next, a third embodiment will be described. Fig.13 (a) is sectional drawing which looked at the charging stand which concerns on the 3rd Embodiment of this invention from the side surface direction. In the present embodiment, the drive circuit unit 20 is not fixed on the slide base 21 but is disposed inside the audio device unit 3 stacked on the charger unit 2. In the present embodiment, by removing the drive circuit unit 20 from the slide base 21, the ratio of the case unit 19 can be increased. As a result, the mobile device installation area 14 can be further expanded as compared to the second embodiment, and a larger mobile device can be installed.

  FIG.13 (b) has shown the state by which the slide base 21 was pulled out in the charging stand of Fig.13 (a). As shown in FIG. 13B, in accordance with the enlargement of the size (A) of the mobile device installation area 14, the pull-out amount (B) of the slide base 21 is also made larger than in the second embodiment. Yes. As a result, the ease of taking out is further superior to that of the second embodiment.

  The invention disclosed above can be applied as a charging stand that can supply charging power wirelessly to portable devices such as smartphones, tablet PCs, and single battery packs, and can be flexibly adapted to limited installation spaces such as in the interior of automobiles. It can be used as a wireless charging stand.

DESCRIPTION OF SYMBOLS 1 Charge stand 2 Charger part 3 Audio equipment part 4 Main body case 5 Top plate 6 Bottom plate 7 Right side plate 8 Left side plate 9 Back plate 10 Charging tray 11 Display part 12 Operation part 13 Operation panel 14 Mobile device installation area 15 Wall part 16 Carrying Equipment 17 Power receiving coil 18 Power transmitting coil 19 Case part 19A First case part 19B Second case part 20 Drive circuit part 21 Slide base 22 Pressing spring 23 Movable mechanical control part 24 Relay part 25 FPC
DESCRIPTION OF SYMBOLS 26 Charging power supply part 27 Charging part 28 Input part 29 Inverter 30 Signal demodulation part 31 Control part 32 Position detection part 33 Power transmission coil drive mechanism 34 Mounting bracket 35 Position detection coil 35A X-axis detection coil 35B Y-axis detection coil 36 Pulse power supply 37 Switch Circuit 38 Receiving circuit 39A X-axis screw rod 39B X-axis motor 40A Y-axis screw rod 40B Y-axis motor 41 Exhaust fan 42 Space 43 Air inlet 44 Movable mechanism 45 Radiator 46 Middle plate 47 Audio board 48 Hardware 49 Switch board

Claims (14)

A charging stand for supplying power to a portable device,
A power transmission coil that wirelessly supplies power to a power reception coil built in the portable device,
A case portion that covers the power transmission coil and includes a mobile device installation area for installing the mobile device;
A drive circuit unit for supplying AC power to the power transmission coil,
The drive circuit unit is a charging stand located outside the mobile device installation area when viewed in plan. The charging stand according to claim 1, further comprising a slide base movable in at least one direction, wherein the case portion and the drive circuit portion are fixed to the slide base. The charging circuit according to claim 1, wherein the drive circuit unit includes an input unit for inputting DC power and an inverter that converts the DC power into AC power. The charging stand according to claim 1, wherein the power transmission coil is movable along the inner surface of the case portion in the portable device installation area. The charging stand according to claim 4, wherein the drive circuit unit includes a control unit that controls movement of the power transmission coil. The position detection part is further provided in the said portable apparatus installation area | region, The said position detection part specifies the position of the said receiving coil with which the said portable apparatus installed in the said portable apparatus installation area | region is built. Charging stand. The charging stand according to claim 1, further comprising an exhaust fan that exhausts air existing in a space on the drive circuit unit. The charging stand according to claim 2, further comprising a movable mechanical control unit that controls movement of the slide base. The slide base is housed in a center console portion of an instrument panel of an automobile, and the portable device can be installed in the portable device installation area by pulling out the slide base from the instrument panel. The charging stand described. The charging base according to claim 9, wherein the slide base is stacked with an audio device unit, and the slide base and the audio device unit are stored in a main body case that fits into a 2DIN size storage unit. The charging stand according to claim 10, wherein the display unit of the audio device unit is also used as a display unit that displays a charging state. The charging stand according to claim 10 or 11, further comprising an operation unit that operates start and stop of a charging operation and movement of the slide base, and the operation unit is installed on an operation panel of the audio device unit. The charging stand according to claim 10, wherein the drive circuit unit is installed in the audio device unit. The charging stand according to claim 2, wherein the drive circuit unit is placed vertically on the slide base.

Images