JP6279230B2 - Turntable for display device - Google Patents

Description

  The present invention relates to a turntable for a display device, and more particularly to a turntable for a display device that electrically changes the orientation of an attached liquid crystal display device or the like.

  2. Description of the Related Art There are known display devices that electrically change the orientation of a screen by a user's operation, or display device turntables that electrically change the orientation of an attached display device. Conventionally, the user has changed the orientation of the screen by continuously pressing a predetermined button on the remote control until the screen reaches a desired position.

  In a display device turntable, the rotation mechanism generally includes a motor, a series of gears that transmit the power of the motor, a display device mounting portion that rotates in conjunction with the gears, and the like (see, for example, Patent Document 1). The operation of the rotation mechanism is controlled by a signal from the remote control device.

JP 2010-243871 A

  In the conventional technique, the user has to continue to operate the remote control device until the display device reaches a desired position, which is troublesome.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a turntable for a display device that is improved in user-friendliness.

The display device turntable according to the present invention detects a pedestal portion, an attachment portion to which the display device can be attached, a rotation mechanism for rotating the attachment portion with respect to the pedestal portion, and a rotation amount of the attachment portion. And the operation of the rotation mechanism is controlled based on a signal from the external device, and a signal based on the rotation amount detected by the detection unit is output to the external device, and the signal is the external device. The remote control device stores the rotation amount together with the registration number, and further includes a limit switch. The limit switch is turned on / off when the mounting portion comes to a predetermined position with respect to the pedestal portion. Are switched, and the detection unit detects the amount of rotation of the attachment unit from a predetermined position as a starting point .

  According to the present invention, since the detection unit detects the rotation amount of the attachment unit, the rotation amount is detected and output to the external device, and the attachment unit is rotated by the rotation amount given from the external device. Is possible. Therefore, for example, if the rotation amount is registered in advance in the external remote controller together with the registration number, the user can rotate the attachment portion by the registered rotation amount only by selecting the registration number. , Improve convenience.

1 is a perspective view of a display device turntable according to Embodiment 1. FIG. FIG. 3 is an exploded perspective view of the display device turntable according to the first embodiment. It is a figure which shows a sliding roller. 4 is a schematic diagram of a display device turntable, a display device, and a remote control device according to Embodiment 1. FIG. 4 is a perspective view of a rotation mechanism of the display device turntable according to Embodiment 1. FIG. 3 is a perspective view of the back surface of the design cover according to Embodiment 1. FIG. It is a perspective view of the base part and rotation mechanism which concern on Embodiment 1. FIG. 6 is a diagram for explaining the operation of a limit switch according to Embodiment 1. FIG. 3 is a flowchart showing a rotational position registration operation of the display device turntable according to the first embodiment. It is a perspective view of the base part and rotation mechanism which concern on Embodiment 2. FIG.

<Embodiment 1>
<Configuration>
FIG. 1 is a perspective view of a display device turntable 12 according to the present embodiment. FIG. 2 is an exploded perspective view of the display device turntable 12. As shown in FIG. 1 and FIG. 2, a rotating mechanism 6 that rotates with respect to the pedestal portion 1 is disposed on the pedestal portion 1 in the display device turntable 12. A disc-shaped turntable 5 is fixed to the rotation mechanism 6. Furthermore, the attachment part 10 which can attach a display apparatus is fixed to the junction part 5a of the turntable 5. As shown in FIG. A design cover 11 that covers the turntable 5 and the rotation mechanism 6 and fits with the pedestal portion 1 is disposed between the turntable 5 and the attachment portion 10. The pedestal portion 1 is provided with a track 1 a on which the turntable 5 slides on a concentric circle with the rotation axis of the turntable 5. A plurality of grooves 1b are provided on the track 1a, and a sliding roller 4 (FIG. 3) is embedded in the grooves 1b. As shown in FIG. 3, the sliding roller 4 includes a roller 4a and a metal shaft 4b inserted into the roller 4a. The turntable 5 slides smoothly on the start 1 a of the pedestal portion 1 by the sliding roller 4.

  A receiving unit (not shown) for receiving a radio signal from an external remote control device 13 is provided inside or outside the display device turntable 12. In addition, a transmitter (not shown) that transmits a radio signal to the external remote controller 13 is provided inside or outside the display device turntable 12. Further, a control unit (not shown) is provided inside or outside the display device turntable 12. The control unit controls the operation of the rotation mechanism 6 based on the radio signal received by the receiving unit. As shown in FIG. 4, in this embodiment, it is assumed that the transmission / reception unit 14 a serving as a reception unit and a transmission unit, and the control unit are provided in the display device 14 attached to the display device turntable 12.

  FIG. 5 shows a perspective view of the rotation mechanism 6. In the rotation mechanism 6, a motor 8 as a power source, a screw gear 9 c that transmits the rotational force of the motor 8, and gears 9 a and 9 b are arranged on the holder 7. As shown in FIG. 6, a tooth profile 11 a is provided on the back side of the design cover 11, and the gear 9 a of the rotation mechanism 6 and the tooth profile 11 a on the back side of the design cover 11 are engaged with each other. Further, a rotation center hole (not shown) is provided on the back surface of the holder 7 and is fitted to the dowel 2 of the pedestal portion 1.

  When the gear 9a is rotated by the motor 8 through the screw gear 9c and the gear 9b, the gear 9a transmits power to the tooth profile 11a fixed to the back side of the design cover 11. Then, the rotation mechanism 6 rotates with respect to the pedestal unit 1 around the dowel 2 of the pedestal unit 1. That is, the attachment portion 10 fixed to the rotation mechanism 6 via the turntable 5 rotates with respect to the pedestal portion 1 around the dowel 2 of the pedestal portion 1.

  The display device turntable 12 according to the present embodiment further includes a detection unit that detects the amount of rotation of the attachment unit 10. As shown in FIG. 5, the detection unit includes a disk 15 fixed to the gear 9 b and a sensor 16. The disc 15 is provided with a plurality of radial slits 15a. The sensor 16 is an optical sensor including, for example, an infrared light emitting part and a light receiving part, and detects the presence or absence of the slit 15a. The sensor 16 outputs a signal indicating the presence / absence of the slit 15 a to a control unit provided inside or outside the display device turntable 12.

  When the sensor 16 detects the presence or absence of the slit 15a, the number of the slits 15a detected by the sensor 16 can be known. Thereby, the rotation speed of the gear 9b is known. In FIG. 5, since the disk 15 is provided with eight slits 15a, for example, when the number of detected slits 15a is nine, the gear 9b rotates once. Furthermore, since the rotation speed of the gear 9b and the rotation amount of the attachment portion 10 are in a certain correspondence relationship, the rotation amount of the attachment portion 10 can be obtained from the rotation speed of the gear 9b. In other words, the rotation amount of the attachment portion 10 can be detected by the detection portion. In addition, in this specification, the amount of rotation of the attachment part 10 is the magnitude | size of the angle which the attachment part 10 rotates.

  Further, as shown in FIG. 5, a limit switch 17 is arranged on the holder 7. A lever 18 is disposed beside the limit switch 17, and when the lever 18 is pressed against the limit switch 17, the limit switch 17 is turned on.

  As shown in FIG. 7, the pedestal portion 1 is provided with a step portion 3 for turning on the limit switch 17. In FIG. 6, it is assumed that the rotation mechanism 6 can rotate in a left rotation range 20 a and a right rotation range 20 b when viewed from the front of the display device turntable 12. That is, the attachment part 10 rotates in the range of the rotation ranges 20a and 20b. The step portion 3 is arranged so that the limit switch 17 is switched on / off at the boundary between the rotation range 20a and the rotation range 20b (that is, in front of the pedestal portion 1).

  The arrangement of the stepped portion 3 and the operation of the limit switch 17 will be described with reference to FIG. As shown in FIG. 8A, when the limit switch 17 is in the rotation range 20a, the lever 18 is away from the limit switch 17, so the limit switch 17 is off. On the other hand, as shown in FIG. 8B, when the limit switch 17 is in the rotation range 20b, the lever 18 is pressed against the limit switch 17 by the step portion 3, and thus the limit switch 17 is turned on.

  In the present embodiment, the stepped portion 3 is provided in the right rotation range 20b when viewed from the front of the display device turntable 12. Therefore, the position where the limit switch 17 is switched on / off is the front position of the display turntable 12. The ON / OFF signal of the limit switch 17 is output to a control unit provided inside or outside the display device turntable 12.

<Rotation amount registration operation>
With reference to the flowchart of FIG. 9, the registration operation of the rotation amount to the remote control device 13 will be described. First, the user operates the remote control device 13 to rotate the display device 14 until a desired position is reached, and then presses the registration key. Then, a registration command is output from the remote control device 13 (step S1). Then, the transmission / reception unit 14a receives the registration command (step S2).

  When the transmission / reception unit 14a receives the registration command, the control unit operates the motor 8 until the limit switch 17 is switched on / off. The control unit obtains the number of slits 15a detected by the sensor 16 until the limit switch 17 is switched on / off. It is assumed that the control unit stores in advance the relationship between the number of slits 15a and the rotation speed of the gear 9b, and the relationship between the rotation speed of the gear 9b and the rotation amount of the mounting portion 10. The control unit obtains the number of rotations of the gear 9b from the acquired number of slits 15a. Further, the rotation amount of the attachment portion 10 may be obtained from the correspondence relationship between the rotation speed of the gear 9 b and the rotation amount of the attachment portion 10.

  Next, in step S <b> 3, the control unit transmits the rotation speed of the gear 9 b from the transmission / reception unit 14 a to the remote control device 13 as the rotation amount of the attachment unit 10. When receiving the rotation amount (step S4), the remote control device 13 stores the received rotation amount in the built-in storage unit in association with the registration number. That is, the rotation amount is registered in the remote control device 13 (step S5).

  The rotation amount to be registered can be registered as a rotation amount in either the left or right direction when viewed from the front of the display device turntable 12. In addition, a plurality of rotation amounts can be registered.

  When the user selects a registration number registered in the remote control device 13, the remote control device 13 transmits a rotation amount registered in association with the registration number. When the transmission / reception unit 14a receives the rotation amount, the control unit 8 detects the number of slits 15a corresponding to the received rotation amount from the starting point of the rotation angle (position where the limit switch 17 is turned on / off). To work. As a result, the attachment part 10 rotates by the registered rotation amount from the starting point of the rotation angle.

  As described above, the user can register the rotation amount of the mounting portion 10 with respect to the remote control device 13 using the display turntable 12. By registering the rotation amount, the user can rotate the mounting portion 10 by the registered rotation amount only by selecting the registration number from the next time.

<Effect>
The display device turntable 12 according to the present embodiment includes a pedestal portion 1, a mounting portion 10 to which the display device 14 can be attached, a rotating mechanism 6 that rotates the mounting portion 10 with respect to the pedestal portion 1, and attachment. A detection unit that detects the amount of rotation of the unit 10, and the operation of the rotation mechanism 6 is controlled based on a signal from an external device.

  Therefore, since the detection unit detects the amount of rotation of the attachment unit 10, it is possible to perform operations such as detecting the amount of rotation and outputting it to the external device, or rotating the attachment unit 10 by the amount of rotation given from the external device. It becomes. Therefore, for example, if the rotation amount is registered in the remote control device 13 together with the registration number, the attachment unit 10 can be rotated by the registered rotation amount only by the user selecting the registration number. , Improve convenience.

  In the display device turntable 12 according to the present embodiment, the rotation mechanism 6 includes a gear 9b, the detection unit includes a disk 15 fixed to the gear 9b, and the disk 15 has a plurality of radial shapes. The slit 15a is provided, and the detection unit further includes a sensor for detecting the slit 15a.

  Therefore, the number of rotations of the gear 9b can be obtained by detecting the slits 15a and counting the number of the detected slits 15a. Since there is a certain relationship between the rotation speed of the gear 9b and the rotation amount of the attachment portion 10, the detection portion can obtain the rotation amount of the attachment portion 10.

  In addition, the display device turntable 12 according to the present embodiment outputs a signal based on the rotation amount detected by the detection unit to an external device. Therefore, it is possible to register the rotation amount in, for example, the external remote control device 13.

  Further, the display device turntable 12 according to the present embodiment further includes a limit switch 17, and the limit switch 17 is switched on / off when the mounting portion 10 comes to a predetermined position with respect to the pedestal portion 1. It is characterized by that.

  Therefore, for example, by setting the predetermined position as a position where the attachment portion 10 faces the front direction of the pedestal portion 1, the attachment portion 10 can be rotated by an arbitrary amount of rotation starting from the front direction of the pedestal portion 1. It becomes possible.

  In the display device turntable 12 according to the present embodiment, the predetermined position where the limit switch 17 is switched on / off is a position where the mounting portion 10 faces the front direction of the pedestal portion 1.

  Therefore, by setting the predetermined position as a position where the attachment portion 10 faces the front direction of the pedestal portion 1, the attachment portion 10 can be rotated by an arbitrary amount of rotation starting from the front direction of the pedestal portion 1. Become.

  In the display device turntable 12 according to the present embodiment, the signal is exchanged with the remote control device 13 which is the external device, and the remote control device 13 stores the rotation amount.

  Therefore, by transmitting the rotation amount to the remote control device 13 and storing the rotation amount in the remote control device 13 together with the registration number, the user only selects the registration number and only the rotation amount stored in the remote control device 13 is stored. It becomes possible to rotate the attachment part 10. Therefore, convenience is improved.

<Embodiment 2>
In the first embodiment, the step portion 3 is provided so that the limit switch 17 is switched on / off when the attachment portion 10 comes to a position facing the front direction of the pedestal portion 1. On the other hand, in the present embodiment, the step portion 3 is provided so that the limit switch 17 is switched on / off when the attachment portion 10 reaches the end of the rotatable range. Since the display device turntable in the present embodiment is the same as that in the first embodiment except for the position of the stepped portion 3 in the pedestal portion 1, the description thereof is omitted.

  In FIG. 10, the perspective view of the base part 1 and the rotation mechanism 6 in this Embodiment is shown. It is assumed that the rotation range 20c shown in FIG. 10 is a range in which the rotation mechanism 6 can rotate (that is, a range in which the mounting portion 10 can rotate). The step portion 3 is provided at the right end of the rotation range 20c toward the front surface of the display device turntable, for example.

<Effect>
In the display device turntable in the present embodiment, the predetermined position where the limit switch 17 is switched on / off is an end of a range in which the mounting portion 10 is rotatable.

  Therefore, by providing the step portion 3 at the end of the rotation range 20c, the attachment portion 10 can be rotated by an arbitrary rotation amount starting from the end of the rotatable range.

  It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

  1 base part, 1a track, 1b groove, 2 dowels, 3 stepped part, 4 sliding roller, 4a roller, 4b metal shaft, 5 turntable, 5a joint part, 6 rotating mechanism, 7 holder, 8 motor, 9a, 9b Gear, 9c Screw gear, 10 Mounting portion, 11 Design cover, 11a Tooth profile, 12 Display stand, 13 Remote control device, 14 Display device, 14a Transmitter / receiver, 15 Disc, 15a Slit, 16 Sensor, 17 Limit switch, 18 Lever.

Claims (4)

A pedestal,
A mounting portion to which the display device can be mounted;
A rotation mechanism for rotating the mounting portion relative to the pedestal portion;
A detection unit for detecting a rotation amount of the mounting unit;
With
The operation of the rotation mechanism is controlled based on a signal from an external device,
A signal based on the amount of rotation detected by the detection unit is output to an external device,
The signal is exchanged with a remote control device which is the external device,
The remote control device stores the rotation amount together with a registration number ,
Further equipped with a limit switch,
The limit switch is switched on / off when the mounting portion comes to a predetermined position with respect to the pedestal portion,
The detection unit detects the amount of rotation of the attachment unit starting from the predetermined position ,
Turntable for display device. The rotation mechanism is
With gears,
The detector is
Comprising a disc fixed to the gear;
The disk is provided with a plurality of radial slits,
The detector is
A sensor for detecting the slit;
The turntable for a display device according to claim 1. The predetermined position where the on / off of the limit switch is switched is a position where the mounting portion faces the front direction of the pedestal portion.
The turntable for a display device according to claim 1 . The predetermined position at which the limit switch is switched on / off is an end of a range in which the mounting portion is rotatable
The turntable for a display device according to claim 1 .

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