CN201142217Y - Sound sensor flying disc for digital music player - Google Patents

Abstract

The utility model relates to a digital music player's audio sensing frisbee, it mainly includes: the sensing plate is a capacitive charge sensing plate and can independently detect the charge variation; the sensing board and the control board transmit signals through the message transmission set, so that the control board generates relative sound effect output after receiving the signals; when the DJ finger touches the flying disc a little, the sensing board detects the charge variation on the flying disc, and the control board is activated to control the corresponding sound effect. The utility model uses the variable of the charge as the contact detection, so that the sound effect operation is similar to the operation of a conventional vinyl record, and the error operation caused by the assembly error when the conventional operation is avoided.

Description

Sound sensor flying disc for digital music player

(1) Technical field:

The utility model provides a sound-effect sensing flying disc of a digital music player, in particular to a sound-effect sensing flying disc of a digital music player which uses electric charge change amount as touch detection. It belongs to the field of digital music sensing devices.

(two) background technology:

Digital music player is to digitally store music in the player for easy storage, selection and playback. The used digital music player of general club DJ is all provided with a touch-press type flying disc 11 (as shown in Fig. 1～Fig. ), the DJ changes and manufactures the sound effect played by the digital music player 10 by touching the Frisbee 11 with his fingers (for example, producing a portamento effect). The structure of the known touch-and-pressure flying disc 11 and the touch-and-pressure control method, as shown in Figures 2 and 3, in the body 12 of the digital music player 10, there is a shaft 13 driven to rotate, and the end of the shaft 13 is connected to the The flying disc 11 is connected so that the shaft rod 13 can drive the flying disc 11 to rotate. A fixed sensing board 14 is fixed inside the body 12 below the flying disc 11. The sensing board 14 can transmit information to the control board of the digital music player 10. The structure of the flying disc 11 is to have a groove-shaped upper cover fixed plate 110, a dot matrix plate 111 is embedded in the groove of the upper cover fixed plate 110, and a plurality of positions are protruded from the bottom surface of the dot matrix plate 111. The pressing rod 1110 , the bottom end of the pressing rod 1110 is in close or slight contact with the sensing board 14 . A soft upper cover 112 with concentric circular patterns on the surface is placed above the dot matrix disk 111 .

It is known that when a DJ wants to make sound effects, he uses his fingers to touch down on the soft top cover 112, and the top cover 112 then presses the touch lever 1110 of the dot matrix disk 111 to come into contact with the sensing board 14 below, and the sensing board 14 is pressed and sends a signal to the control board to control the digital music player 10 to produce relative sound effects. The well-known control sound effect method of pressing the upper cover 112 with fingers to make the bottom of the touch rod 1110 contact the sensing plate 14 is different from the general DJ's mode of pushing the vinyl record with fingers in the horizontal direction. 11 If there is an error in the assembly of each component, the level is not enough or the assembly density is not enough, it is easy to cause sensing error and cause wrong sound effects.

(3) Contents of utility model:

The purpose of this utility model is to provide a sound effect sensing flying disc of a digital music player, which uses the change of electric charge for touch detection, so that the sound effect control is accurate and has the sound effect of simulating the production of vinyl records.

The utility model is a sound effect sensing flying disc of a digital music player, which is characterized in that: the sensing board is a capacitive charge sensing board, which can independently detect the amount of charge change; the sensing board and the control board are connected by a message transmission group The signal is sent to make the control board produce relative sound effect output after receiving the signal; when the DJ finger slightly touches the flying disc, the sensing board will detect the change of charge on the flying disc, prompting the control board to perform corresponding sound effect control.

The technical scheme of the utility model is described in detail again as follows:

The utility model relates to a sound effect sensing flying disc of a digital music player. The flying disc is driven to rotate, and a sensing plate is arranged under the flying disc to sense the movement information of a person controlling the flying disc and transmit the information to the control via the message transmission group. Board, to make relative sound effect control, it is characterized in that:

The sensing board is a capacitive charge sensing board, which can detect the amount of charge change above the flying disc. As long as the human finger touches the flying disc, the sensing board will transmit the detected charge change to the control board through the information transmission group to make a comparison. sound control.

There is a distance between the sensing board and the flying disc, the sensing board and the control board are fixed, and a cable is used as a message transmission group between the two to transmit information.

Among them, the sensing board and the flying disc are fixedly connected to the same body, and the information transmission group has a plurality of ring-shaped and equidistantly arranged luminous bodies on the bottom surface of the sensing board. Sensing the illuminant light source, the illuminant and the light source sensing body complete the transmission of information between the sensing board and the control board.

The utility model is a sound effect sensing frisbee for a digital music player. Its advantages and effects are: it is more accurate in control and use, and the operation mode of touching the frisbee with fingers is also comparable to the control mode of the conventional DJ touching vinyl records. Matching, it has the simulation effect of simulating touching a vinyl record, and avoids wrong actions caused by assembly errors during conventional manipulation.

(4) Description of drawings:

Figure 1 shows a top view of a conventional digital music player.

Fig. 2 is a sectional view of A-A of Fig. 1 .

FIG. 3 is a partially exploded view of FIG. 2 .

Fig. 4 is a top view of the first embodiment of the utility model.

Figure 5 shows the B-B sectional view of Figure 4.

FIG. 6 is a partially exploded view of FIG. 4 .

Fig. 7 is a cross-sectional view of the second embodiment of the present invention.

FIG. 8 is a partially exploded view of FIG. 7 .

The specific labels in the figure are as follows:

10-Digital music player 11-Frisbee

12-body 13-shaft

14-Sensing board 110-Fixing plate

111-dot matrix disk 1110-touch bar

112-top cover

20-Digital music player 21-Frisbee

22-shaft 23-sensing board

24-Control board 25-Message transmission group

26-body 260-gap

250-Illuminant 251-Light source sensing body

(5) Specific implementation methods:

The utility model is a sound sensing flying disc of a digital music player, please refer to Fig. 4 to Fig. 6, the digital music player 20 of the first embodiment has a touch-type flying disc 21, and the flying disc 21 is driven by a motor The shaft 22 of the shaft supports and drives the rotation; a sensing plate 23 is a capacitive charge sensing plate located at a certain distance below the flying disc 21, and fixed with the body 26, which can independently detect the change of charge on the flying disc 21 The amount, and the control board 24 with a message transmission group for message transmission and reception, so that the amount of charge change on the flying disc 21 detected by the capacitive charge sensing board 23 can be transmitted to the control board 24 through the message transmission group , so that the control board 24 controls the digital music player 20 to generate corresponding action outputs to generate different sound effects. The aforementioned information transmission group can be used as a cable for signal transmission because the sensing board 23 and the control board 24 are fixed.

When DJ is in operation, as long as the finger touches the flying disc 21, the sensing board 23 located below the flying disc 21 will immediately detect the change of charge on the flying disc 21. line) to the control board 24, so that the control board 24 produces a corresponding sound effect output.

Next, please refer to FIG. 7 and FIG. 8 , which are the second embodiment of the present invention, wherein the flying disc 21 and the capacitive charge sensing plate 23 are fixed to each other and are driven to rotate by the shaft 22 driven by the motor. The message transmission group 25 used for transmitting messages between the sensing board 23 and the control board 24 is to have a plurality of luminous bodies 250 (such as LEDs) fixedly connected under the sensing board 23, and each luminous body 250 is arranged in a ring and equidistant. Body 26 has an annular notch 260 corresponding to the illuminant 250 of sensing board 23, so that the light emitted by illuminant 250 can be projected downward through notch 260; Corresponding to the illuminant 250 , used for sensing the bright light of the illuminant 250 . When the DJ's finger touches the flying disc 21, the sensing board 23 will detect the charge change on the flying disc 21, and transmit the information to the control board 24 through the luminous body 250 and the light source sensing body 251, so that the control board 24 produces relative sound output .

As can be seen from the above description, the sensing board 23 and the flying disc 21 in the first embodiment of the present invention are separated, and the sensing board 23 and the control board 24 are fixed, so that the sensing board 23 detects the amount of charge on the flying disc 21 The change of the wiring can be used as a message transmission group for the transmission of messages between the sensing board 23 and the control board 24 . The sensing board 23 and the flying disc 21 of the second embodiment of the present utility model are both fixedly connected and linked together, so that the transmission of information between the sensing board 23 and the fixed control board 24 needs to rely on the sensing board 23 The rotating illuminant 250 communicates with the light source sensor 251 fixed on the control board 24 for information transmission. Because in the present invention, as long as the DJ finger touches the flying disc 21, the sensing board 23 can detect the change of the electric charge on the flying disc, and then deliver the information to the control board 24. It is not necessary to forcefully press the flying disc with the conventional DJ finger to make the contacts contact. Pass the message on.

Claims (3)

1. A sound sensing frisbee for a digital music player. The frisbee is driven to rotate. There is a sensing board under the frisbee to sense the movement information of the person controlling the frisbee and transmit the information to the control board through the message transmission group. , for relative sound control, characterized in that: The sensing board is a capacitive charge sensing board that can detect the change of charge above the flying disc. As long as the human finger touches the flying disc, the sensing board will transmit the detected charge change to the control board through the information transmission group to make a relative sound control. 2. The sound effect sensing flying disc of a digital music player according to claim 1, characterized in that: the sensing board and the flying disc have a certain distance, the sensing board and the control board are fixed, and a cable is used between the two. The messaging group used to deliver messages. 3. The sound effect sensing flying disc of a digital music player according to claim 1, characterized in that: the sensing board and the flying disc are fixedly connected to the same body, and the information transmission group is that there are a plurality of ring-shaped etc. on the bottom surface of the sensing board. The illuminants are arranged at a distance, and the position above the control board corresponds to a light source sensing body for sensing the light source of the illuminant. The illuminant and the light source sensing body complete the transmission of information between the sensing board and the control board.

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