CN213028302U - Player - Google Patents

Abstract

The utility model relates to a player technical field specifically discloses a function button is few, convenient operation player, including the casing, accept in the PCB board of inner chamber of the casing, install in the first change over switch and the second change over switch of the top avris of casing and be used for receiving and playing the broadcast controlling part of audio frequency. The PCB board is provided with a main control circuit used for controlling the output of the playing control and provided with a main controller, and an audio advancing circuit and an audio retreating circuit which send instructions to the main control circuit. The main control circuit respectively controls the play control to play the next channel audio, the next song audio or enter a fast forward play mode when receiving the single low level, the two continuous low levels and the continuous low level sent by the audio forward circuit; the main control circuit respectively controls the playing control to play the previous channel audio, the previous song audio or enter a fast-backward playing mode when receiving the single low level, the two continuous low levels and the continuous low level sent by the audio backward circuit.

Description

Player

Technical Field

The utility model relates to a player technical field especially relates to a player with multi-functional button.

Background

The player is an electronic device which is provided with an audio plug-in and can send out specified audio content, and the player can work independently under the condition that audio information is stored, and can also be matched with an external audio device to be used as an execution unit of the external audio device to play music. The player is used, the capacity expansion of software and hardware of the external audio equipment is realized, the tone quality effect can be improved, and the user experience is improved.

In the using process of the player, a user can adjust the tracks and channels of the audio according to the requirement of the user, however, the traditional player is often provided with a plurality of function adjusting buttons or knobs, the operation of the player is complex, the sizes of the buttons or the knobs are small, and the user is very easy to have the wrong adjusting condition in the process of adjusting the audio playing; in addition, the button of traditional player easily produces not hard up or drops at the in-process of pressing, has influenced user experience and has felt, is unfavorable for promoting the market competition of product.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a player having a multi-function button, a large button size, good stability and easy operation, in order to solve the technical problems of many functional buttons, a small button size, and difficulty in operation.

A player comprises a shell, a PCB board which is accommodated in an inner cavity of the shell and is parallel to the top surface of the shell, and a first change-over switch and a second change-over switch which are used for controlling a playing mode of the player, wherein the first change-over switch and the second change-over switch respectively comprise a fixed contact and a movable contact;

the PCB is provided with a play control for receiving and playing audio, a main control circuit with a main controller for controlling the output of the play control, an audio forward circuit controlled to be accessed to a low level and sending a forward instruction to the main control circuit, and an audio backward circuit controlled to be accessed to the low level and sending a backward instruction to the main control circuit;

the audio frequency reversing circuit is characterized by further comprising a first plastic hand control piece which is arranged on the top surface of the machine shell and used for pushing a movable contact of the first changeover switch to be in contact with a fixed contact of the first changeover switch when being pressed so as to change the output level of the audio frequency reversing circuit, and a second plastic hand control piece which is arranged on the top surface of the machine shell and used for pushing a movable contact of the second changeover switch to be in contact with a fixed contact of the second changeover switch when being pressed so as to change the output level of the audio frequency reversing circuit, wherein silica gel shock-absorbing sleeves are respectively arranged between the first plastic hand control piece and the movable contact of the first changeover switch and between the second plastic hand control piece and the movable contact of the second changeover switch, and the two silica gel shock-absorbing sleeves are arranged on a silica gel shock-absorbing pad provided with a hole position for the movable contact of the first changeover switch and the movable contact of the;

go to on the PCB board the fixed bolster is still installed to one side of casing top surface, be equipped with on the fixed bolster and be used for spacingly the spacing groove of silica gel shock pad and with the bottom cooperation of silica gel shock pad is used for injecing the spacing arch of silica gel shock pad circumferential displacement.

In one embodiment, the main control circuit controls the play control to play the next channel audio when receiving the single low level information sent by the audio forwarding circuit; when two continuous low level information sent by the audio forwarding circuit is received, controlling the playing control to play the next song audio; when receiving continuous low-level information sent by the audio forward circuit, controlling the play control to enter a fast forward play mode; when the main control circuit receives the single low level information sent by the audio backing circuit, the main control circuit controls the playing control to play the audio of the previous channel; when two continuous low level information sent by the audio backing circuit is received, the playing control is controlled to play the audio of the previous song; and when receiving the continuous low-level information sent by the audio backing circuit, controlling the play control to enter a fast backing play mode.

In one embodiment, the host has an NFC pin.

In one embodiment, the main controller further comprises an AUX interface or/and an antenna interface.

In one embodiment, the master controller further comprises an SPI interface for communicating with an external IC.

The player of the utility model is implemented, the audio advancing circuit outputs three different level signals respectively by adjusting the first switch, and then the main control circuit controls the playing control to correspondingly enter three modes of next channel audio playing, next song audio playing and fast forward playing; the audio backing circuit respectively outputs three different level signals by adjusting the second change-over switch, and then the main control circuit controls the playing control to correspondingly enter three modes of the audio playing of the previous channel, the audio playing of the previous song and the fast backing playing, the player only needs two hand controls to be operated and adjusted to realize the switching between different playing modes, a silica gel shock-absorbing sleeve is arranged between the first plastic hand control and the movable contact of the first change-over switch, and a silica gel shock-absorbing sleeve is arranged between the second plastic hand control and the movable contact of the second change-over switch, on one hand, the stability of the arrangement of the first plastic hand control and the second plastic hand control is improved, the shaking generated in the key pressing process is favorably eliminated, on the other hand, the volumes of the first plastic hand control and the second plastic hand control are increased, the user can feel the button more favorably, and the occurrence of wrong adjustment or missing adjustment of the button is avoided, the difficulty coefficient of the player audio frequency adjustment is reduced, the player adjustment operation and the structure of the player are simplified, and the user experience feeling and the market competitiveness of the product are favorably improved.

Drawings

Fig. 1 is a schematic structural diagram of a player according to an embodiment of the present invention;

FIG. 2 is an exploded view of the player of the embodiment of FIG. 1;

fig. 3 is a module relationship diagram of a player according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a fixing bracket according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a main control circuit according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of an audio forwarding circuit according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of an audio fallback circuit according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a player 10 with few functional buttons and convenient operation, the player 10 includes a casing 100, a PCB 200 accommodated in an inner cavity of the casing 100 and parallel to a top surface of the casing 100, a first switch 300 and a second switch 400 for controlling a play mode of the player 10, the first switch 300 and the second switch 400 respectively include a fixed contact and a movable contact, and the PCB 200 is further provided with a play control 500 for receiving and playing audio.

The casing 100 includes a front casing 110 and a rear casing 120 detachably connected, where the front casing 110 is defined as a casing on the casing 100 on the side of the sound emitting direction of the play control 500. In one embodiment, the rear shell 120 and the front shell 110 are connected by screws or snaps, which facilitates the disassembly and maintenance of the casing 100 while ensuring the structural stability of the player 10, so as to ensure the effective use of the player 10. In an embodiment, the top side of the casing 100 is further provided with a volume adjusting switch 130 for inputting instructions to the circuit on the PCB 200 and adjusting audio volume, and a toggle button 140 for controlling the start and stop of the player 10, and a pair of pads 150 is symmetrically arranged on the bottom side of the casing 100 for raising the horizontal height of the bottom of the casing 100, so as to prevent water from immersing inside the casing 100 when the player 10 is placed on a wet ground, thereby causing an electric leakage or a short-circuit accident of the player 10, so as to ensure the safe use of the player 10 and prolong the service life of the player 10.

Referring to fig. 3, the PCB 200 is provided with a main control circuit 210 having a main controller, which may be an MCU processor or a single chip microcomputer, for controlling the output of the play control 500, an audio forward circuit 220 controlled to access a low level and sending a forward instruction to the main control circuit 210, and an audio backward circuit 230 controlled to access a low level and sending a backward instruction to the main control circuit 210. Specifically, the audio forward circuit 220 is configured to receive an instruction or an action sent by the first switch 300 and generate a corresponding level change, and the audio backward circuit 230 is configured to receive an instruction or an action sent by the second switch 400 and generate a corresponding level change, so that the level input by a corresponding pin on the main controller changes, and the main controller controls the play control 500, such as a speaker or other audio playing devices with speakers, to execute a corresponding play instruction.

The player 10 further includes a first plastic hand control 610 mounted on the top surface of the casing 100 for pushing the movable contact of the first switch 300 to contact with the stationary contact of the first switch 300 when being pressed to change the output level of the audio forwarding circuit 220, a second plastic hand control 620 mounted on the top surface of the casing 100 for pushing the movable contact of the second switch 400 to contact with the stationary contact of the second switch 400 when being pressed to change the output level of the audio forwarding circuit 230, two silica gel shock-absorbing sleeves 630 respectively disposed between the first plastic hand control 610 and the movable contact of the first switch 300 and between the second plastic hand control 620 and the movable contact of the second switch 400, two silica gel shock-absorbing sleeves 630 mounted on a silica gel shock-absorbing pad 640 having a movable contact of the first switch 300 and a movable contact of the second switch 400 inserted therein, the silica gel shock-absorbing sleeves 630 on one hand being used for filling the space between the first plastic hand control 610 and the movable contact of the first switch 300, and the movable contact of the second switch 300, And a gap between the second plastic hand control element 620 and the movable contact of the second switch 400, and on the other hand, the gap is used for buffering the impact of the first plastic hand control element 610 and the second plastic hand control element 620 on the PCB 200 when being subjected to an external acting force, so as to reduce the damage to the PCB 200 and prolong the service life of the PCB.

Referring to fig. 2 and 4, a fixing bracket 700 for limiting the silica gel shock-absorbing sleeve 630 is further installed on one side of the PCB 200 facing the top surface of the casing 100, the fixing bracket 700 is connected to the inner surface of the front casing 110 by screws, and is provided with two through holes 710 for the first switch 300 and the second switch 400 to pass through, so that during the audio adjustment process of the player 10, the silica gel shock-absorbing sleeve 630 and any plastic hand control are sequentially overlapped on the corresponding switch passing through the through holes 710, so as to further adjust the output level of the audio forward circuit 220 or the audio backward circuit 230 by adjusting the action of the plastic hand control.

Referring to fig. 2 and 4, in an embodiment, two silicone shock-absorbing sleeves 630 are mounted on the same silicone shock-absorbing pad 640, holes for the movable contacts of the first switch 300 and the second switch 400 to pass through are formed on the silicone shock-absorbing pad 640, a groove (not shown) is formed at the bottom of the silicone shock-absorbing pad 640, a fixing bracket 700 is provided with a hole for a screw to pass through and a lug 720 connected with the inner surface of the front shell 110 in a matching manner, a limiting groove 730 for accommodating the silicone shock-absorbing pad 640, and a limiting protrusion 740 arranged along the pressing direction of the manual control, matched with the groove and limiting the silicone shock-absorbing pad 640. Thus, when the fixing bracket 700 is installed on the inner surface of the front shell 110, the two silica gel shock-absorbing sleeves 630 are respectively and correspondingly sleeved on the movable contact of a change-over switch, the silica gel shock-absorbing pad 640 is embedded into the limit groove 730, the limit bulge 740 is aligned to the groove and inserted into the groove, so that the silica gel shock-absorbing pad 640 is always clamped in the limit groove 730 under the double limit of the limit groove 730 and the limit bulge 740, the possibility that the silica gel shock-absorbing sleeves 630 become loose or fall off from the driven contact is avoided, and the stability of connection between the two plastic hand controls and the two change-over switch movable contacts and the reliability of the shock-absorbing effect are ensured.

Referring to fig. 5 to 7, when the main control circuit 210 receives the single low level information sent by the audio forwarding circuit 220, the play control 500 is controlled to play the audio of the next channel; when receiving two continuous low level information sent by the audio forwarding circuit 220, controlling the play control 500 to play the next track of audio; upon receiving the continuous low level information sent by the audio advance circuit 220, the play control 500 is controlled to enter the fast forward play mode. When receiving the single low level information sent by the audio fallback circuit 230, the main control circuit 210 controls the play control 500 to play the audio of the previous channel; when receiving two continuous low level messages sent by the audio backing circuit 230, controlling the playing control 500 to play the audio of the previous song; when receiving the continuous low level information sent by the audio backward circuit 230, the play control 500 is controlled to enter the fast backward play mode.

Specifically, when the first switch 300 is not closed, i.e. the first plastic hand control 610 is not pressed, the NEXT interface of the audio forwarding circuit 220 is at a high level, and the main controller controls the play control 500 to execute the current play mode or play state. When the first plastic hand control 610 is pressed, so that the first plastic hand control 610 presses the first switch 300 through the silica gel shock-absorbing sleeve 630, the NEXT interface of the audio forwarding circuit 220 outputs a low level, and the 5 th pin connected to the audio forwarding circuit 220 on the main controller detects a single low level, that is, the audio is switched to the NEXT channel and played through the playing control 500. When the first plastic hand control 610 is pressed twice continuously to make the first plastic hand control 610 press the first switch 300 through the silica gel shock-absorbing sleeve 630, the NEXT interface of the audio forwarding circuit 220 outputs twice continuous low levels, and the 5 th pin connected to the audio forwarding circuit 220 on the main controller detects twice continuous low levels, that is, the audio is switched to the NEXT track and is played through the play control 500. When the first plastic hand control 610 is pressed for a long time, for example, at least the first plastic hand control 610 is continuously pressed for five to ten seconds, so that the first plastic hand control 610 presses the first switch 300 through the silicone damping sleeve 630, the NEXT interface of the audio forwarding circuit 220 outputs a continuous low level, and the 5 th pin on the main controller, which is connected to the audio forwarding circuit 220, detects the continuous low level, that is, the audio is switched to the fast forward play mode and played through the play control 500.

Similarly, when the second switch 400 is not closed, i.e. the second plastic hand control 620 is not pressed, the PREV interface of the audio backing circuit 230 is at a high level, and the main controller controls the play control 500 to execute the current play mode or play state. When the second plastic hand control 620 is pressed, so that the second plastic hand control 620 presses the second switch 400 through the silica gel shock-absorbing sleeve 630, the PREV interface of the audio backing circuit 230 outputs a low level, and the 6 th pin on the main controller, which is connected to the audio backing circuit 230, detects a single low level, that is, the audio is switched to the previous channel and played through the play control 500. When the second plastic hand control 620 is pressed twice continuously, so that the second plastic hand control 620 presses down the second switch 400 through the silica gel shock-absorbing sleeve 630, the PREV interface of the audio backing circuit 230 outputs twice continuous low levels, and the 6 th pin connected to the audio backing circuit 230 on the main controller detects twice continuous low levels, that is, the audio is switched to the previous track and played through the playing control 500. When the second plastic hand control 620 is pressed for a long time, for example, the second plastic hand control 620 is pressed for at least five to ten seconds continuously, so that the second plastic hand control 620 presses the second switch 400 through the silica gel shock-absorbing sleeve 630, the PREV interface of the audio backward circuit 230 outputs a continuous low level, and the 6 th pin on the main controller connected to the audio backward circuit 230 detects the continuous low level, that is, the audio is switched to the fast backward playing mode and played through the playing control 500.

In one embodiment, the host has an NFC pin. Nfc (near Field communication), also known as near Field communication, is a short-range high frequency radio technology that enables identification and data exchange with compatible devices over short distances. By setting the NFC pin on the host, the player 10 can exchange information and access content with other mobile devices or electronic devices through near field communication, that is, transmit information on other electronic devices or mobile devices to the host of the player 10 in a non-contact manner, so as to receive and read external information.

In one embodiment, the main controller further comprises an AUX interface or/and an antenna interface. The aux (auxiliary) interface is also called an auxiliary interface, and refers to an audio input interface, and can input audio of electronic audio equipment including mp 3; the antenna interface, such as J2 in fig. 5, is a device for receiving electromagnetic wave signals from a space range and converting the electromagnetic wave signals into electric signals recognizable by the main controller when the player 10 is plugged with an antenna, so that the player 10 can not only access audio information from an external audio device through a connecting line plugged into the AUX interface, but also receive frequency modulation or amplitude modulation signals from a longer distance in the space through the antenna, thereby enlarging the path for inputting audio information of the player 10.

In one embodiment, the host controller further includes an SPI interface for communicating with an external IC. Spi (serial Peripheral interface), also known as a serial Peripheral interface, enables the MCU to communicate with various Peripheral devices in a serial manner to exchange information. Referring to fig. 5, the main controller includes SPI serial extension interfaces, such as SPI _ SS interface, SPI _ CLK interface, SPI _ MOSI interface, and the like, so that the main controller can be connected to the USB3.0 device through the SPI _ SS interface, connected to the peripheral clock chip through the SPI _ CLK interface, and realize the master output and slave input of signals through the SPI _ MOSI interface, so as to extend the functions of the player 10.

In the player 10 of the present invention, the audio forwarding circuit 220 outputs three different level signals respectively by adjusting the first switch 300, and the main control circuit 210 controls the playing control 500 to enter the next channel audio playing mode, the next song audio playing mode and the fast forward playing mode; the audio backing circuit 230 outputs three different level signals respectively by adjusting the second switch 400, and then the main control circuit 210 controls the playing control 500 to enter three modes of the previous channel audio playing, the previous song audio playing and the fast backing playing correspondingly, the player 10 only needs two hand controls for adjusting operation to realize the switching between different playing modes, and a silica gel shock-absorbing sleeve 630 is arranged between the first plastic hand control 610 and the movable contact of the first switch 300, and a silica gel shock-absorbing sleeve 630 is arranged between the second plastic hand control 620 and the movable contact of the second switch 400, on one hand, the stability of the first plastic hand control 610 and the second plastic hand control 620 is improved, the shaking generated in the key pressing process is eliminated, on the other hand, the volumes of the first plastic hand control 610 and the second plastic hand control 620 are increased, and the button touch of the user is facilitated, the condition of wrong adjustment or missing adjustment of the buttons is avoided, the difficulty coefficient of audio adjustment of the player 10 is reduced, the adjustment operation of the player 10 and the structure of the player 10 are simplified, and the user experience and the market competitiveness of products are improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. A player (10) is characterized by comprising a casing (100), a PCB (200) accommodated in an inner cavity of the casing (100) and parallel to the top surface of the casing (100), a first change-over switch (300) and a second change-over switch (400) for controlling a playing mode of the player (10), wherein the first change-over switch (300) and the second change-over switch (400) respectively comprise a fixed contact and a movable contact;

the PCB (200) is provided with a playing control (500) for receiving and playing audio, a main control circuit (210) with a main controller for controlling the output of the playing control (500), an audio forward circuit (220) which is controlled to be accessed to a low level and sends a forward instruction to the main control circuit (210), and an audio backward circuit (230) which is controlled to be accessed to a low level and sends a backward instruction to the main control circuit (210);

the audio frequency backing circuit also comprises a first plastic hand control member (610) which is arranged on the top surface of the machine shell (100) and pushes a movable contact of the first change-over switch (300) to be contacted with a fixed contact of the first change-over switch (300) when being pressed so as to change the output level of the audio frequency backing circuit (220), and a second plastic hand control member (620) which is arranged on the top surface of the machine shell (100) and pushes a movable contact of the second change-over switch (400) to be contacted with a fixed contact of the second change-over switch (400) so as to change the output level of the audio frequency backing circuit (230), wherein silica gel shock-absorbing sleeves (630) are respectively arranged between the first plastic hand control member (610) and the movable contact of the first change-over switch (300) and between the second plastic hand control member (620) and the movable contact of the second change-over switch (400), and the two silica gel shock-absorbing sleeves (630) are arranged on one movable contact of the first change-over switch (300) and the second change-over switch ) The movable contact of the switch penetrates through a silica gel shock pad (640) of the hole site;

go to on PCB board (200) towards fixed bolster (700) are still installed to one side of casing (100) top surface, be equipped with on fixed bolster (700) and be used for spacingly spacing groove (730) of silica gel shock pad (640) and with the bottom cooperation of silica gel shock pad (640) is used for injecing spacing arch (740) of silica gel shock pad (640) circumferential displacement.

2. The player (10) of claim 1, wherein the master circuit (210) controls the play control (500) to play the next channel audio upon receiving a single low level message sent by the audio advance circuit (220); when two continuous low-level information sent by the audio forwarding circuit (220) is received, controlling the playing control (500) to play the next track of audio; when receiving continuous low-level information sent by the audio forward circuit (220), controlling the play control (500) to enter a fast forward play mode;

when the main control circuit (210) receives the single low level information sent by the audio backing circuit (230), the playing control (500) is controlled to play the audio of the previous channel; when two continuous low-level information sent by the audio backing circuit (230) is received, controlling the playing control (500) to play the audio of the previous song; and when receiving the continuous low-level information sent by the audio backing circuit (230), controlling the play control (500) to enter a fast-backing play mode.

3. Player (10) according to claim 1, characterized in that the host controller has an NFC pin.

4. Player (10) according to claim 1, characterized in that said master controller further comprises an AUX interface or/and an antenna interface.

5. Player (10) according to claim 1, characterized in that the master controller further comprises an SPI interface for communication with an external IC.

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