KR0138353B1 - A disk changer - Google Patents

Abstract

The present invention discloses a disc changer that can accommodate a large number of discs in the same space and is improved to quickly select a desired disc. To this end, the present invention mounts a plurality of magazines (15, 16, 17) that can accommodate a plurality of discs in a magazine housing (10) of one body, and rotates to select a desired disc (11). Provide a disc changer to make it possible.

Description

Disc changer

1 is a schematic diagram showing a conventional disc changer,

2 is a schematic plan view of a disc changer according to the invention,

3 is a schematic side cross-sectional view of a disc changer according to the present invention;

4 is a schematic cross-sectional view showing a player of a disc changer according to the present invention;

5 shows a disc ejection operation in a disc changer according to the present invention.

Schematic,

6 shows a disc insertion operation in the disc changer according to the present invention.

This is a perspective view of an excerpt.

* Brief description of symbols for the main parts of the drawings

10 ... Magazine Housing 111 ... Housing

12.Rotating shaft 15,16,17 ... Magazine

30 ... lift motor 40 ... rotation motor

50 ... player

The present invention relates to a disc changer, and more particularly, to a disc changer that is configured to be configured with a plurality of magazines containing a plurality of discs and to rotate the magazines to extract a desired disc from a desired magazine.

In a CD player, a plurality of information media are stored and stored in a magazine in advance, and the information media selected from the magazine is taken out and transferred to a playback position (player). Disc changers are known which have been reversed.

Such a disc changer is disclosed in US Pat. No. 4,815,056, one of which is shown in FIG. This includes a magazine (2) for storing a plurality of cartridges (1) containing information carriers, a conveying means (7) for taking out and transporting one cartridge (1) selected from the magazine (2), and the magazine (2). It is composed of a player (4) (5) installed in the lower portion of the (3) to receive and record / reproduce the selected cartridge (1). The conveying means 7 is a timing belt 8 driven by a motor 9 and a carrier 6 conveyed up and down by the timing belt 8 in a state where the selected cartridge 1 is taken out and loaded. It is composed.

The US patent configured as described above is taken out from the magazine 2, and the cartridge 1 is taken out and loaded on the carrier 6, and the cartridge 1 is conveyed downward by the timing belt 8. The cartridge 1 transferred to the lower side is inverted and inserted into the player 4, 5.

By the way, the above-described US patent has been configured by arranging the disk changer up and down with a plurality of magazines (2) for storing a plurality of cartridges 1, this has a problem of increasing the size of the changer.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a disc changer having a smaller product installation space and a smaller product size while accommodating the same information carrier.

Disc changer in the present invention to achieve the above object, the housing; A rotating side installed in the housing; A magazine housing coupled to the rotating shaft rotatably with respect to the housing; A plurality of magazines accommodated in the magazine housing so as to be disposed around the rotating shaft, each of which includes a plurality of disks; A player provided with a recording / reproducing mechanism for recording / reproducing discs in the magazines; Rotating means for rotating the magazine housing so that a magazine loaded with a desired disk among the magazines can be positioned corresponding to the player; Elevating means for elevating the player such that the recording / reproducing mechanism is moved to a height corresponding to the desired disc; It is characterized in that it is provided with.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 and 3 are schematic plan and side cross-sectional views of a disc changer according to the invention.

2 and 3, a player 50 having a magazine housing 10 and a recording / reproducing mechanism (described later) is provided in the housing 111 of the disc changer 100. As shown in FIG. The magazine housing 10 is fixed to a rotating shaft 12 rotatably installed in the housing 111, and rotates with respect to the housing 111 when the rotating shaft 12 is rotated. Three magazines 15, 16, and 17 are housed inside the magazine housing 10, which are arranged radially symmetrically around the axis of rotation 12. . Each magazine (15) (16) (17) is loaded with a plurality of discs (11).

The magazine housing 10 may be intermittently rotated by the rotation means with the rotation axis 12 as the rotation center. In this embodiment, the lifting motor 40 and the first gear 41 and the rotation means are rotated. The second gear 42 is included. The lifting motor 40 is installed in the housing 111, and the first gear 41 is fixed to the output shaft of the lifting motor 40 so as to be rotated by the lifting motor 40. The second gear 42 is fixed to the rotation shaft 12 and meshes with the first gear 41.

On the other hand, the player 50 can be lifted by the lifting means, in this embodiment the lifting motor 30, the first pulley 38, the second pulley 39, A timing belt 36 is included. The lifting motor 30 is installed in the housing 111, the gear 31 is coupled to the output shaft. The first pulley 38 is rotatably installed in the housing 111, and may be rotated by receiving power from the elevating motor 30 through the gear 32 engaged with the gear 31. The second pulley 39 is rotatably installed in the housing 111 and positioned below the first pulley 38. The timing belt 36 is wound on the first and second pulleys 38 and 39, and one side of the timing belt 36 is coupled to the casing 51 of the player 50. In Fig. 3, reference numerals 33, 34 and 35 denote rotating discs, photosensors and light emitting elements which will be described later. In addition, reference numeral 37 is a guide rod for guiding the player 50 when the player is being lifted.

On the other hand, in the casing 51 of the player 50, as shown in FIG. 4, as the recording / reproducing mechanism, a turntable 53 for seating the disc 11 and a spindle motor 54 for rotating it are shown. The upper part of the turntable 53 is provided with a clamp 52 for clamping the disk 11, and an optical pickup 57 for irradiating a light beam while moving in the radial direction of the disk 11. The clamping / unclamping operation of the clamp 52 of the clamp 52 connects one end of the lever 58 rotatably coupled to the casing 51 by the hinge 58 'with the clamp 52 and the lever. The other end of the 58 is connected to the rod of the solenoid 59, so that the lever 58 is rotated in accordance with the operation of the solenoid 59 so that the clamp 52 can be clamped and released. The spring 60 provided in the clamp 52 allows the clamp 52 to be moved without flow in external vibration. At the inlet side of the player 50, guide rollers 55 and 56 are provided for transferring the disc 11 conveyed from the magazines 15, 16 and 17 to the inside of the player 50. Here, as shown in FIG. 6, the gear 72 is provided on the shaft of the guide roller 56, and the gear 70 is engaged with the worm 71 that is rotated by the motor 70. The disk 11 can be conveyed by rotating the guide rollers 55 and 56 with the power of the?

On the other hand, the operation of taking out the desired disc 11 from each magazine 15, 16, 17 is carried out by the magazine housing 10 by hinge 22 of the takeout lever 20 as shown in FIG. And an actuating lever 21 which is rotatably mounted on the ejecting lever and imparts an acting force for the rotation of the ejecting lever 20. Can be taken out. Here, the operation lever 21 may be a rod of a solenoid (not shown).

On the other hand, through the light emitting element 35 and the slit to install the rotary disk 33 is formed coaxially with the first pulley 38, and to emit light on both sides of the rotary disk 33, respectively. By installing a photosensor 34 for detecting light, the player 50 can be positioned at a position corresponding to the desired disc 11 by counting an output pulse according to the rotation of the rotating disc 33.

The effect of the disk changer 100 according to the present invention configured as described above is as follows.

First, when the magazine selection button (not shown) is pressed to select a magazine in which the desired disks 11 are accommodated among the three magazines 15, 16 and 17, the rotating motor 40 is driven to magazine housing ( 10) the selected magazine stops at the position corresponding to the player 50. Subsequently, when the disk 11 selection button (not shown) is operated, the lifting motor 30 is driven and the timing belt 36 is driven to raise and lower the player 50. At this time, the lifting motor 30 has a height corresponding to the disc 11 that desires the player 50 by counting the output pulses 34 according to the rotation of the rotating disc 33, that is, the recording / reproducing mechanism. Is positioned at the height corresponding to the desired disc and then stopped. Thereafter, the motor 70 is driven to drive the guide rollers 55 and 56, and at the same time, the companion lever 21 is operated to rotate the take-out lever 20 to take out the desired disc 11 from the magazine. The ejected disc 11 is sandwiched between the two guide rollers 55 and 56 as shown in FIG. 4 and transported into the player 50 and seated on the turntable 53. It is seated on the turntable 53. When the desired disk 11 is seated on the turntable 53, the solenoid 59 is operated to rotate the lever 58 and lower the clamp 52 to clamp the disk 11. The spindle motor 54 is then driven and the optical pickup 57 moves in the radial direction of the disc 11 for recording / playback.

On the other hand, the ejecting operation of the disc 11 may be performed in the reverse operation of the above operation.

As described above, the disc changer 100 according to the present invention accommodates a plurality of magazines 15, 16, 17 capable of accommodating a plurality of discs 11 in a magazine housing 10 of one body. By selecting the desired disk 11 by rotating the magazine housing 10 intermittently, a large number of disks 11 can be accommodated with a small volume, and in a disk changer in which a magazine is arranged vertically Unlike selecting the disc by moving the player up and down at the time of selection, rotating the magazine housing has the advantage of quickly selecting the desired disc.

As described above, the present invention provides a disc changer capable of accommodating a large number of discs in a small space and quickly selecting a desired disc.

Claims (3)

housing; A rotating shaft installed in the housing; A magazine housing coupled to the rotating shaft rotatably with respect to the housing; A plurality of magazines accommodated in the magazine housing so as to be disposed around the rotating shaft, each of which includes a plurality of disks; A player provided with a recording / reproducing mechanism for recording / reproducing discs in the magazines; Rotating means for rotating the magazine housing so that a magazine loaded with a desired disk among the magazines can be positioned corresponding to the player; And And elevating means for elevating the player such that the recording / reproducing mechanism is moved to a height corresponding to the desired disc. The method of claim 1, The rotating means is installed on the housing and generates power for the motor, a first gear connected to the rotating motor, and the rotating shaft of the magazine housing is fixed to the magazine housing and fixed to the first gear And a second gear for engaging. The method of claim 1, The elevating means includes an elevating motor that is installed in the housing and generates power, a first pulley that is rotated by the elevating motor, a second pulley rotatably installed on the housing, and the player on one side. And a timing belt coupled to the first pulley and the second pulley and driven by the first pulley.