Audio signal analog-to-digital converter

Abstract

The utility model discloses an audio signal analog-to-digital converter, relates to the technical field of converters, and solves the problems that when a converter sealing cover of an existing converter is disassembled and assembled, two screws need to be rotated, the operation is relatively tedious, and a USB interface and an audio line socket are exposed outside, inconvenient to carry and easy to damage. An L-shaped cover plate is slidably connected to the top of the shell, a clamping mechanism is arranged between the L-shaped cover plate and the shell, an audio signal analog-to-digital conversion circuit board is fixedly installed at the inner bottom of the shell, and a USB plug is slidably connected to one side of the outer surface of the shell in a penetrating mode. According to the utility model, the installation and removal of the L-shaped cover plate can be rapidly realized through the arranged clamping mechanism, the operation is simple, the USB plug can be accommodated in the shell through the arranged flexible circuit board, the sliding mechanism and the protection mechanism, and the USB plug and the audio socket can be respectively shielded and protected.

Description

Technical Field

[0001] The utility model relates to the technical field of converters, in particular to an audio signal analog-to-digital converter. Background Art

[0002] The analog-to-digital converter is used for converting the analog format and digital format of the audio signal. The microphone has an audio signal input interface, the XLR plug of the audio signal analog-to-digital converter with a USB interface is connected to the XLR interface of the microphone, and the USB interface on the audio analog-to-digital converter is connected to a computer or other operating system for signal transmission. After searching, the Chinese patent publication number CN216794977U discloses an audio signal analog-to-digital converter with a USB interface, including a converter body, and the connection between the audio signal analog-to-digital conversion circuit board and the converter body can be limited by the positioning block. The overall structure can make the maintenance and inspection of the audio signal analog-to-digital conversion circuit board simple and convenient. The lines through the USB interface and the audio line socket are all arranged inside the converter body, which can make the overall line have a better protection effect and effectively improve the use effect of the USB interface and the audio line socket.

[0003] Although the above technical solution is convenient for repairing and inspecting the audio signal analog-to-digital conversion circuit board, two screws need to be turned when removing and installing the converter cover, which is cumbersome to operate. In addition, the USB interface and audio cable socket are exposed, which is inconvenient to carry and easy to be damaged. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an audio signal analog-to-digital converter, which solves the problems in the background technology that the existing converter requires turning two screws when disassembling and installing the converter cover, which is a cumbersome operation, and the USB interface and audio line socket are exposed to the outside, which is inconvenient to carry and easy to be damaged.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: an audio signal analog-to-digital converter, comprising a shell, an L-shaped cover plate is slidably connected to the top of the shell, a clamping mechanism is provided between the L-shaped cover plate and the shell, an audio signal analog-to-digital conversion circuit board is fixedly installed on the inner bottom of the shell, a USB plug is slidably connected through one side of the outer surface of the shell, a flexible circuit board is fixedly connected between the USB plug and the audio signal analog-to-digital conversion circuit board, an audio socket is embedded and fixedly installed on one side of the outer surface of the shell, the audio socket is connected to the audio signal analog-to-digital conversion circuit board through a wire, a sliding mechanism matching with the USB plug is slidably installed through one side of the outer surface of the shell, and protective mechanisms matching with the USB plug and the audio socket are installed on both sides of the outer surface of the shell;

[0006] The clamping mechanism includes a groove opened on the top of the shell, a spring is fixedly connected to the inside of the groove, a clamping block slidably connected to the inner wall of the groove is fixedly connected to the top of the spring, and a clamping groove matching the clamping block is opened on the upper surface of the L-shaped cover.

[0007] Preferably, two dovetail blocks are symmetrically fixedly connected to the lower surface of the L-shaped cover plate, and a dovetail groove cooperating with the dovetail blocks is provided on the upper surface of the shell to facilitate guiding the sliding of the L-shaped cover plate.

[0008] Preferably, the sliding mechanism includes a sliding groove opened on one side of the outer surface of the shell, a T-block is slidably connected inside the sliding groove, one end of the T-block is fixedly connected to a movable plate slidably connected to the inner wall of the shell, one end of the movable plate is fixedly connected to a mounting frame, and one end of the USB plug is fixedly embedded in and fixedly mounted inside the mounting frame to facilitate the movement of the USB plug.

[0009] Preferably, the outer surface of the shell is provided with a T-shaped hole matching with the USB plug and the mounting frame, so as to facilitate the movement of the USB plug.

[0010] Preferably, the protection mechanism includes a first mounting groove opened on one side of the outer surface of the shell, the first mounting groove is connected to the T-shaped hole, and a first baffle is slidably connected inside the first mounting groove to shield and protect the USB plug.

[0011] Preferably, a second mounting groove is provided on one side of the outer surface of the shell and at a position corresponding to the audio socket, and a second baffle is slidably connected to the interior of the second mounting groove to shield and protect the audio plug.

[0012] The utility model provides an audio signal analog-to-digital converter, which has the following beneficial effects:

[0013] 1. This audio signal analog-to-digital converter has a card connection mechanism. When in use, the spring will automatically drive the card block to reset, so that the L-shaped cover can be fixed under the limit of the card slot. When disassembling, it is only necessary to press the card block downward to move the card block out of the card slot, and then the L-shaped cover can be removed. The operation is simple, thereby solving the problem that the existing converter cover is installed by screws and is inconvenient to be quickly disassembled and maintained.

[0014] 2. The audio signal analog-to-digital converter can store the USB plug inside the shell through the flexible circuit board, sliding mechanism and protective mechanism, and can shield and protect the USB plug and audio socket respectively. It is easy to carry, thereby solving the problem that the USB interface and audio line socket of the existing converter are exposed to the outside and are inconvenient to carry and easy to be damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the housing of the utility model;

[0017] Figure 3 It is a cross-sectional view of the housing of the utility model;

[0018] Figure 4 It is an exploded view of the utility model.

[0019] In the figure, 1. shell; 2. L-shaped cover; 3. snap-on mechanism; 31. groove; 32. spring; 33. snap block; 34. snap slot; 35. dovetail block; 36. dovetail slot; 4. audio signal analog-to-digital conversion circuit board; 5. USB plug; 6. flexible circuit board; 7. audio socket; 8. sliding mechanism; 81. slide slot; 82. T-block; 83. movable plate; 84. mounting frame; 85. T-hole; 9. protective mechanism; 91. first mounting slot; 92. first baffle; 93. second mounting slot; 94. second baffle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1:

[0022] like Figures 1 to 4 As shown, an audio signal analog-to-digital converter includes a shell 1, an L-shaped cover plate 2 is slidably connected to the top of the shell 1, a clamping mechanism 3 is provided between the L-shaped cover plate 2 and the shell 1, the clamping mechanism 3 includes a groove 31 opened at the top of the shell 1, a spring 32 is fixedly connected to the inside of the groove 31, and a clamping block 33 slidably connected to the inner wall of the groove 31 is fixedly connected to the top of the spring 32, and a clamping groove 34 matched with the clamping block 33 is opened on the upper surface of the L-shaped cover plate 2. When in use, the spring 32 will automatically drive the clamping block 33 to reset, so that the L-shaped cover plate 2 is fixed under the limit of the clamping groove 34. When disassembling, it only needs to press the clamping block 33 downward to move the clamping block 33 out of the clamping groove 34, and then the L-shaped cover plate 2 can be removed. The operation is simple, thereby solving the problem that the existing converter cover is installed by screws and is inconvenient to be quickly disassembled and maintained.

[0023] The lower surface of the L-shaped cover plate 2 is symmetrically fixedly connected with two dovetail blocks 35, and the upper surface of the shell 1 is provided with a dovetail groove 36 that cooperates with the dovetail block 35. The dovetail block 35 and the dovetail groove 36 can not only limit the movement of the L-shaped cover plate 2, but also position the L-shaped cover plate 2 to prevent it from falling.

[0024] Embodiment 2:

[0025] like Figures 1 to 4 As shown, an audio signal analog-to-digital conversion circuit board 4 is fixedly installed on the inner bottom of the shell 1, a USB plug 5 is slidably connected to one side of the outer surface of the shell 1, a flexible circuit board 6 is fixedly connected between the USB plug 5 and the audio signal analog-to-digital conversion circuit board 4, and an audio socket 7 is embedded and fixedly installed on one side of the outer surface of the shell 1. The audio socket 7 is connected to the audio signal analog-to-digital conversion circuit board 4 through a wire, and the flexible circuit board 6 can be bent, so that the USB plug 5 can be moved.

[0026] Embodiment 3:

[0027] like Figures 1 to 4 As shown, a sliding mechanism 8 matching with the USB plug 5 is slidably installed through one side of the outer surface of the housing 1, and the sliding mechanism 8 includes a slide groove 81 provided on one side of the outer surface of the housing 1, and a T-block 82 is slidably connected inside the slide groove 81, and one end of the T-block 82 is fixedly connected to a moving plate 83 slidably connected to the inner wall of the housing 1, and one end of the moving plate 83 is fixedly connected to a mounting frame 84, and one end of the USB plug 5 is fixedly embedded and fixedly installed inside the mounting frame 84. A T-hole 85 matching with the USB plug 5 and the mounting frame 84 is provided on the outer surface of the housing 1, and the sliding T-block 82 can drive the mounting frame 84 and the USB plug 5 to move through the moving plate 83, so that the USB plug 5 can be retracted into the interior of the housing 1, which is not only convenient to carry, but also can protect the USB plug 5, thereby solving the problem that the USB interface of the existing converter is exposed to the outside and is inconvenient to carry and easy to be damaged.

[0028] Embodiment 4:

[0029] like Figures 1 to 4As shown, protective mechanisms 9 matching with the USB plug 5 and the audio socket 7 are installed on both sides of the outer surface of the housing 1. The protective mechanism 9 includes a first mounting groove 91 opened on one side of the outer surface of the housing 1. The first mounting groove 91 is connected to the T-shaped hole 85, and a first baffle 92 is slidably connected inside the first mounting groove 91. A second mounting groove 93 is opened on one side of the outer surface of the housing 1 and at a position corresponding to the audio socket 7. A second baffle 94 is slidably connected inside the second mounting groove 93. The first baffle 92 and the second baffle 94 can respectively shield and protect the USB plug 5 and the audio socket 7, thereby increasing the service life.

[0030] Working principle: when in use, the spring 32 will automatically drive the card block 33 to reset, thereby fixing the L-shaped cover 2 under the limit of the card slot 34. When disassembling, just press the card block 33 downward to move the card block 33 out of the card slot 34, and then the L-shaped cover 2 can be removed. The operation is simple, thereby solving the problem that the existing converter cover is installed by screws and is inconvenient to quickly disassemble and maintain. The flexible circuit board 6 can be bent so that the USB plug 5 can be moved. The sliding T-block 82 can drive the installation frame 84 and the USB plug 5 to move through the moving plate 83, and the USB plug 5 can be retracted into the interior of the shell 1, which is not only convenient to carry, but also can protect the USB plug 5, thereby solving the problem that the USB interface of the existing converter is exposed to the outside and is inconvenient to carry and easy to be damaged. The first baffle 92 and the second baffle 94 can be provided to respectively shield and protect the USB plug 5 and the audio socket 7, thereby increasing the service life.

[0031] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An audio signal analog-to-digital converter, comprising a housing (1), characterized in that: An L-shaped cover plate (2) is slidably connected to the top of the shell (1), a clamping mechanism (3) is provided between the L-shaped cover plate (2) and the shell (1), an audio signal analog-to-digital conversion circuit board (4) is fixedly installed on the inner bottom of the shell (1), a USB plug (5) is slidably connected through one side of the outer surface of the shell (1), a flexible circuit board (6) is fixedly connected between the USB plug (5) and the audio signal analog-to-digital conversion circuit board (4), an audio socket (7) is embedded and fixedly installed on one side of the outer surface of the shell (1), the audio socket (7) is connected to the audio signal analog-to-digital conversion circuit board (4) through a wire, a sliding mechanism (8) matching with the USB plug (5) is slidably installed through one side of the outer surface of the shell (1), and protective mechanisms (9) matching with the USB plug (5) and the audio socket (7) are installed on both sides of the outer surface of the shell (1); The clamping mechanism (3) comprises a groove (31) formed on the top of the housing (1); a spring (32) is fixedly connected to the inside of the groove (31); a clamping block (33) is fixedly connected to the top of the spring (32) and is slidably connected to the inner wall of the groove (31); and a clamping groove (34) matching the clamping block (33) is formed on the upper surface of the L-shaped cover plate (2).

2. The audio signal analog-to-digital converter according to claim 1, characterized in that: Two dovetail blocks (35) are symmetrically fixedly connected to the lower surface of the L-shaped cover plate (2), and a dovetail groove (36) matching with the dovetail blocks (35) is provided on the upper surface of the shell (1).

3. The audio signal analog-to-digital converter according to claim 1, characterized in that: The sliding mechanism (8) comprises a sliding groove (81) provided on one side of the outer surface of the housing (1); a T-shaped block (82) is slidably connected inside the sliding groove (81); one end of the T-shaped block (82) is fixedly connected to a movable plate (83) slidably connected to the inner wall of the housing (1); one end of the movable plate (83) is fixedly connected to a mounting frame (84); one end of the USB plug (5) is fixedly embedded and fixedly mounted inside the mounting frame (84).

4. The audio signal analog-to-digital converter according to claim 3, characterized in that: The outer surface of the housing (1) is provided with a T-shaped hole (85) that matches the USB plug (5) and the mounting frame (84).

5. The audio signal analog-to-digital converter according to claim 4, characterized in that: The protection mechanism (9) comprises a first mounting groove (91) formed on one side of the outer surface of the housing (1); the first mounting groove (91) is connected to the T-shaped hole (85); and a first baffle (92) is slidably connected inside the first mounting groove (91).

6. The audio signal analog-to-digital converter according to claim 5, characterized in that: A second mounting groove (93) is provided on one side of the outer surface of the housing (1) at a position corresponding to the audio socket (7), and a second baffle (94) is slidably connected inside the second mounting groove (93).

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