Hand-held CD player with Type-C power supply

Abstract

The utility model discloses a portable CD player with Type-C power supply, comprising a CD door cover assembly connected to a top shell; the top shell is provided with keys and a nixie tube display screen, a key display circuit board and a machine core are installed in the top shell, the machine core is provided with a CD disc, and the top shell is connected with a handle in a clamped mode through an installation hole; the bottom shell is matched with the top shell to form an outer shell of the player, a power supply master control circuit board is installed in the outer shell, and a battery bin assembly is arranged at the bottom of the outer shell; the sound components are arranged on two sides of the player and are electrically connected with the power supply main control circuit board; the power supply main control circuit board is provided with a Type-C interface and an audio interface; and the battery compartment assembly is electrically connected with the power supply main control circuit board. The portable CD player provided by the utility model solves the problems that the traditional portable CD player can only use alternating current, the battery power supply design is unreasonable, the tone quality is poor, the jump sound is generated, the CD door cover is inconvenient to open and close, and the keys are easy to operate mistakenly.

Description

Technical Field

[0001] This utility model relates to a portable CD player with Type-C power supply, belonging to the field of CD player technology. Background Technology

[0002] In today's era of digital music, CD players still maintain a certain share of the audio equipment market thanks to their unique sound quality, especially among those who pursue a high-quality music experience. Portable CD players, due to their portability, meet people's needs for enjoying CD music in different scenarios and are therefore very popular with consumers. However, traditional portable CD players suffer from numerous problems in power supply and sound quality performance, severely limiting their further development and user experience.

[0003] Traditional portable CD players mostly support only AC power, which greatly limits their usage scenarios. In situations without AC power, such as outdoor picnics or camping, or in emergencies like power outages, users cannot use the CD player normally. Although some products can use batteries, the battery compartment design is often inadequate. For example, some products have small battery capacity and short battery life, while others have inconvenient battery replacement, causing numerous inconveniences for users and failing to meet diverse external power needs. Furthermore, the speaker components of traditional CD players are not scientifically designed, generally suffering from poor sound quality and skipping. Structural defects in the speaker components result in low sound reproduction accuracy, failing to faithfully reproduce the rich details of musical works. Skipping further disrupts the continuity of music, making it difficult for users to immerse themselves in the music and greatly affecting the user's music listening experience. In terms of operational convenience, the opening and closing design of the traditional portable CD player's door is not user-friendly; opening and closing it is laborious, and there is a lack of effective status judgment mechanisms. Utility Model Content

[0004] Therefore, this utility model provides a portable CD player with Type-C power supply, which solves the problems of traditional portable CD players that can only use AC power, unreasonable battery power supply design, poor sound quality, skipping, inconvenient CD door opening and closing, and easy accidental button operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a portable CD player with Type-C power supply, comprising:

[0006] CD door cover assembly, connected to the top shell;

[0007] The top shell is equipped with buttons and a digital tube display screen. The button and display circuit board and the mechanism are installed inside the top shell. The mechanism is equipped with a CD disc. The top shell is attached to a handle through a mounting hole.

[0008] The bottom shell, together with the top shell, forms the outer shell of the player. The power supply main control circuit board is installed inside the outer shell, and the battery compartment assembly is set at the bottom of the outer shell.

[0009] The speaker components are located on both sides of the player and are electrically connected to the power supply control circuit board.

[0010] The power supply control circuit board is equipped with a Type-C interface and an audio interface;

[0011] The battery compartment assembly is electrically connected to the main power control circuit board.

[0012] As a preferred solution for a portable CD player with Type-C power supply, the CD door cover assembly includes a CD cover, a gear damper, and a leaf switch. The CD cover is engaged with the gear damper. When the CD cover is opened, the leaf switch is triggered to determine the open or closed state of the CD cover.

[0013] As a preferred solution for a portable CD player with Type-C power supply, the mechanism is model DA11, and the mechanism is electrically connected to the power supply main control circuit board.

[0014] As a preferred embodiment of a portable CD player with Type-C power supply, the audio component has a closed acoustic cavity structure, and the audio component includes a first speaker grille, a second speaker grille, a speaker, a first speaker cover, and a second speaker cover;

[0015] The first speaker grille and the second speaker grille are located on the outside of the audio components on both sides of the player. The first speaker grille and the second speaker grille are used to protect the speaker and allow sound to pass through.

[0016] The first horn cover and the second horn cover respectively cover the horns on both sides.

[0017] As a preferred embodiment of a portable CD player with Type-C power supply, the bottom surface of the handle is provided with reinforcing ribs, which are distributed in a crisscross pattern.

[0018] As a preferred embodiment of a portable CD player powered by Type-C, the battery compartment assembly includes a battery cover, a battery spring, and a battery slot;

[0019] The battery slot is marked with positive and negative terminals, and the battery compartment contains the battery; the battery spring contacts the battery in the battery slot so that the battery supplies power to the power supply main control circuit board.

[0020] As a preferred embodiment of a portable CD player powered by Type-C, the gear damper surface in the CD door cover assembly is provided with anti-slip texture, which is annular protrusion.

[0021] As a preferred solution for a portable CD player with Type-C power supply, the buttons on the top shell are made of silicone material, and the surface of the buttons has raised patterns or markings, which are Braille function indicators, and the travel of the buttons is 3-5 mm.

[0022] As a preferred solution for a portable CD player with Type-C power supply, the bottom of the casing is provided with feet. The feet are made of rubber or EVA cotton and are 3-5 mm high. The feet are used to support the player and provide shock absorption.

[0023] This utility model has the following advantages:

[0024] First, it offers flexible and diverse power supply: This utility model features a Type-C interface, supporting DC 5V external power input, breaking through the limitations of traditional AC power supply and meeting user needs in various scenarios, such as outdoor travel and power outage emergencies, ensuring normal playback. The battery compartment assembly can accommodate batteries, and the battery contacts are electrically connected to the main power control circuit board. Combined with Type-C power supply, it provides the player with continuous and stable power, ensuring uninterrupted playback and greatly improving ease of use.

[0025] Secondly, the sound quality is significantly improved: the speaker components adopt a closed acoustic cavity structure, consisting of a speaker grille, speaker, and speaker cover, which effectively reduces sound leakage and interference, making the sound more focused and pure. The speaker is electrically connected to the main power control circuit board, ensuring stable audio signal transmission and optimizing sound reproduction. This effectively solves the problems of poor sound quality and skipping in traditional CD players, bringing users a superior music experience.

[0026] Third, convenient and comfortable operation: In the CD cover assembly, the CD cover is engaged with a gear damper. Opening and closing the CD cover drives the gear damper to rotate, making operation more effortless. The leaf switch can accurately determine the open / closed state of the CD cover, facilitating the player's corresponding function control. The cross-shaped reinforcing ribs on the bottom of the handle enhance the structural strength of the handle. Attached Figure Description

[0027] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0028] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0029] Figure 1 This is a schematic diagram of the overall structure of a portable CD player with Type-C power supply provided in this embodiment of the utility model;

[0030] Figure 2 This is an exploded view of the portable CD player with Type-C power supply provided in this embodiment of the present invention.

[0031] Figure 3 This is a schematic diagram of the internal structure of a portable CD player with Type-C power supply provided in an embodiment of this utility model;

[0032] Figure 4 This is a schematic diagram of the overall structure of a portable CD player with Type-C power supply provided in an embodiment of this utility model from another perspective.

[0033] In the diagram, 1. CD door cover assembly; 2. Handle; 3. Top shell; 4. CD disc; 5. Mechanism; 6. Gear damper; 7. Leaf switch; 8. First speaker cover; 9. Speaker; 10. First speaker grille; 11. Button; 12. Second speaker cover; 13. Second speaker grille; 14. Digital tube display screen; 15. Button display circuit board; 16. Power supply main control circuit board; 17. Bottom shell; 18. Battery compartment assembly; 19. Feet. Detailed Implementation

[0034] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0035] See Figure 1 , Figure 2 , Figure 3 and Figure 4 This utility model embodiment provides a portable CD player with Type-C power supply, comprising:

[0036] CD door cover assembly 1 is connected to the top shell 3. Specifically, CD door cover assembly 1, as part of the player, is connected to the top shell 3, serving to protect the CD disc 4 insertion and removal area, while also facilitating user operation of the CD cover to insert or remove the CD disc 4.

[0037] The top shell 3 has buttons 11 and a digital tube display screen 14. Inside the top shell 3, a button display circuit board 15 and a mechanism 5 are installed. The mechanism 5 holds a CD disc 4. A handle 2 is attached to the top shell 3 via mounting holes. Specifically, the buttons 11 are used by the user to perform various operations on the player, such as play, pause, and fast forward. The digital tube display screen 14 displays information such as the player's operating status and the track being played, allowing the user to easily understand the player's operation. The button display circuit board 15 processes the input from the buttons 11 and controls the display content of the digital tube display screen 14. The mechanism 5 is the core component for playing the CD disc 4. The handle 2 is attached to the top shell 3 via mounting holes, making it convenient for the user to carry the player. The snap-fit ​​design ensures the handle 2 is securely installed and easy to remove and replace.

[0038] The bottom shell 17, together with the top shell 3, forms the outer casing of the player. The power supply main control circuit board 16 is installed inside the casing, and the battery compartment assembly 18 is located at the bottom of the casing. Specifically, the bottom shell 17 and the top shell 3 together form the complete outer casing of the player, protecting the internal components. The power supply main control circuit board 16 is the core of the player's power supply and control, responsible for distributing electrical energy to various components and controlling the overall operation of the player. The battery compartment assembly 18 is located at the bottom of the casing, facilitating battery replacement and providing backup power for the player or for use when no external power source is available.

[0039] The speaker components are located on both sides of the player and are electrically connected to the power supply control circuit board 16. Specifically, the speaker components are positioned on both sides of the player to create a stereo sound effect, providing users with a better listening experience. They are electrically connected to the power supply control circuit board 16, allowing them to draw power from the circuit board and convert the audio signal into sound for playback.

[0040] The power supply main control circuit board 16 is equipped with a Type-C interface and an audio interface. Specifically, the Type-C interface is a universal interface type with advantages such as fast transmission speed and reversible plug support. It can be used to charge the player or connect to an external power source to meet the power supply needs of different scenarios. The audio interface is used to connect external audio devices, such as headphones and speakers, allowing users to choose different audio output methods according to their needs.

[0041] The battery compartment assembly 18 is electrically connected to the power supply main control circuit board 16. Specifically, the battery compartment assembly 18 is electrically connected to the power supply main control circuit board 16. When a battery is installed in the battery compartment assembly 18, the battery spring contacts the battery, transferring the battery's electrical energy to the power supply main control circuit board 16 to provide power support for the player and ensure that the player can work normally without an external power source.

[0042] In this embodiment, the CD door cover assembly 1 includes a CD cover, a gear damper 6, and a leaf switch 7. The CD cover is engaged with the gear damper 6. When the CD cover is opened, the leaf switch 7 is triggered to determine the open or closed state of the CD cover.

[0043] Specifically, the CD cover is used to open and close the CD disc 4 insertion slot. A gear damper 6 is snapped onto the CD cover, its function being to provide damping for the opening and closing of the CD cover, making the process smoother and preventing the CD cover from impacting internal components due to rapid opening and closing. The leaf switch 7 is used to detect the open / closed state of the CD cover. When the CD cover is open, the leaf switch 7 is triggered, and the player can perform corresponding operations based on this signal, such as pausing playback or stopping the motor rotation, to protect the mechanism 5 and the CD disc 4.

[0044] In this embodiment, the mechanism 5 is model DA11, and the mechanism 5 is electrically connected to the power supply main control circuit board 16.

[0045] Specifically, the DA11 mechanism 5 uses a P101N laser head, which features high performance and strong error correction capabilities. It is suitable for horizontal or vertical installation and can read signals including CD, VCD, DVD, CD_R, and CD_RW. It can accurately read the information on the CD disc 4 and convert it into audio signals. It is electrically connected to the power supply control circuit board 16, obtaining power from it and receiving control signals to ensure the normal operation of the mechanism 5 and realize the playback function of the CD disc 4.

[0046] In this embodiment, the audio component is a closed acoustic cavity structure. The audio component includes a first speaker grille 10, a second speaker grille 13, a speaker 9, a first speaker cover 8, and a second speaker cover 12. The first speaker grille 10 and the second speaker grille 13 are located on the outside of the audio components on both sides of the player. The first speaker grille 10 and the second speaker grille 13 are used to protect the speaker 9 and allow sound to pass through. The first speaker cover 8 and the second speaker cover 12 are respectively covered on the speakers 9 on both sides.

[0047] Specifically, the enclosed acoustic cavity structure reduces sound leakage and interference, improving sound quality and stereo imaging. The first speaker grille 10 and the second speaker grille 13 are located on the outside of the speaker assembly, protecting the speaker 9 from dust, debris, and other contaminants that could affect its normal operation. Simultaneously, the structural design of the first speaker grille 10 and the second speaker grille 13 allows sound to pass through smoothly, ensuring sound propagation. The first speaker cover 8 and the second speaker cover 12 respectively cover the speakers 9 on both sides, further sealing the acoustic cavity, enhancing sound resonance, and improving sound quality.

[0048] In this embodiment, the bottom surface of the handle 2 is provided with reinforcing ribs, which are distributed in a crisscross pattern to enhance the structural strength of the handle 2. When the user carries the player, the handle 2 needs to bear a certain weight. If the structural strength is insufficient, it is prone to deformation or damage. The crisscross distribution of reinforcing ribs can distribute the force, improve the load-bearing capacity of the handle 2, and ensure that the handle 2 will not be damaged during long-term use.

[0049] In this embodiment, the battery compartment assembly 18 includes a battery cover, a battery spring, and a battery slot; the battery slot is marked with positive and negative terminals, and the battery compartment contains a battery; the battery spring contacts the battery in the battery slot so that the battery supplies power to the main control circuit board 16.

[0050] Specifically, the battery cover is used to seal the battery compartment assembly 18 to prevent the battery from falling out. The battery slot is marked with positive and negative terminals to help users install the battery correctly and avoid damage to the player due to incorrect battery installation. The battery contacts are in contact with the battery and act as conductors, transferring the battery's power to the main power control circuit board 16 to provide power to the player.

[0051] In this embodiment, the gear damper 6 in the CD door cover assembly 1 has anti-slip texture on its surface, and the anti-slip texture is annular protrusion.

[0052] Specifically, the anti-slip texture on the surface of the gear damper 6 is a ring-shaped protrusion, which increases the friction between the CD cover and the gear damper 6. When the user opens and closes the CD cover, the anti-slip texture prevents the CD cover from sliding on the gear damper 6, ensuring a more stable and reliable opening and closing operation.

[0053] In one possible embodiment, the button 11 on the top shell 3 is made of silicone material, and the surface of the button 11 has raised patterns or markings, which are Braille function indicators, and the travel of the button 11 is 3-5 mm.

[0054] Specifically, button 11 is made of silicone, which is soft, elastic, and comfortable to the touch, reducing fatigue from prolonged pressing. The raised patterns or markings on the surface of button 11 are Braille function indicators, allowing visually impaired users to easily identify the function of button 11 by touch, improving the product's versatility and ease of use. The travel distance of button 11 is 3-5 mm, providing appropriate tactile feedback so that users can clearly feel the operation status of button 11 when pressing it, reducing the possibility of accidental operation.

[0055] In one possible embodiment, the bottom of the bottom shell 17 is provided with a foot pad 19, which is made of rubber or EVA cotton and has a height of 3-5 mm. The foot pad 19 is used to support the player.

[0056] Specifically, the bottom of the base shell 17 features rubber or EVA cotton feet 19. Rubber offers excellent elasticity and anti-slip properties. EVA cotton is lightweight, and using it as feet won't add excessive weight to the player, making it easy for users to carry. The feet 19 are 3-5 mm high, providing support and creating a gap between the player and the surface, preventing direct contact and friction / wear. Simultaneously, the anti-slip properties of the rubber or EVA cotton feet 19 prevent the player from sliding on the surface, ensuring its stability.

[0057] The method of using this utility model is as follows:

[0058] I. Power-on Preparation

[0059] Power supply selection

[0060] Type-C power supply: Use a Type-C data cable, insert one end into the Type-C interface of the power supply main control circuit board 16, and connect the other end to an external power adapter or power bank that meets DC5V output requirements to power the player.

[0061] Battery power supply: Open the battery cover of the battery compartment assembly 18, and correctly insert 4 No. 2 batteries according to the positive and negative markings in the battery slot. When the battery contacts make contact with the batteries, the batteries will start to supply power to the main control circuit board 16.

[0062] Insert CD

[0063] Opening the CD cover of CD door assembly 1 causes the gear damper 6, which is engaged with it, to rotate. During the opening process, the blade switch 7 is triggered, and the player detects that the CD cover is open. Inserting the CD disc 4 into the mechanism 5 and then closing the CD cover triggers the blade switch 7 again, informing the player that the CD cover is now closed.

[0064] II. Operation and Playback

[0065] Function Operation

[0066] Operation is achieved via silicone buttons 11 on the top cover 3. The Braille function indicators on the surface of the buttons 11 facilitate user identification. Pressing the corresponding button 11, such as the play button, transmits the signal from button 11 to the power supply main control circuit board 16 via the button display circuit board 15. The power supply main control circuit board 16 then controls the mechanism 5 to begin reading the information from the CD disc 4. Since the mechanism 5 is a DA11 model, it can accurately read the audio data on the disc and convert it into an audio signal.

[0067] Information display

[0068] During playback, the digital tube display screen 14 will display the player's working status, such as the track being played and the playback progress. This information is processed by the power supply main control circuit board 16 and transmitted to the button display circuit board 15, and then presented to the user through the digital tube display screen 14.

[0069] III. Audio Playback

[0070] Audio transmission

[0071] The mechanism 5 transmits the converted audio signal to the power supply main control circuit board 16. After processing and amplifying the audio signal, the power supply main control circuit board 16 transmits the audio signal to the speaker assembly through electrical connection.

[0072] Sound playback

[0073] The audio assembly adopts a closed acoustic cavity structure, and the speakers 9 on both sides begin to vibrate and produce sound after receiving audio signals. The first speaker grille 10 and the second speaker grille 13 protect the speakers 9 from dust and other debris, while allowing sound to pass through. The first speaker cover 8 and the second speaker cover 12 cover the speakers 9, enhancing the resonance effect of the sound and providing users with a three-dimensional and clear sound quality experience.

[0074] IV. Shutting Down and Storage

[0075] Power off operation

[0076] When the power off button 11 is pressed, the main power control circuit board 16 receives the power off signal and controls the mechanism 5 to stop reading the CD disc 4 and stop transmitting audio signals to the audio components, and the player enters the power off state.

[0077] Remove the CD disc

[0078] Open the CD cover, remove the CD disc 4 from the mechanism 5, and close the CD cover.

[0079] Storage and organization

[0080] If using Type-C power, unplug the Type-C data cable; if using battery power, you can open the battery compartment and remove the battery. The cross-shaped reinforcing ribs on the bottom of the handle 2 enhance its structural strength, allowing users to easily carry and store the player. The rubber feet 19 on the bottom of the base shell 17 provide support, shock absorption, and anti-slip properties when the player is placed, ensuring stability.

[0081] The present invention has been described in a relatively specific and detailed manner above through general description and specific embodiments. It should be understood that, based on the technical concept of the present invention, several conventional adjustments or further innovations can be made to these specific embodiments; however, as long as they do not depart from the technical concept of the present invention, the technical solutions obtained by these conventional adjustments or further innovations also fall within the protection scope of the claims of the present invention.

Claims

1. A portable CD player with Type-C power supply, characterized in that, The utility model relates to a CD player, including: CD door cover assembly (1) is connected to top shell (3); Top shell (3) is equipped with button (11), nixie tube display screen (14) on the top shell (3), button display circuit board (15) and core (5) are installed inside the top shell (3), the core (5) is configured with CD disc (4), the top shell (3) is clamped with handle (2) through the mounting hole; Bottom shell (17) cooperates with top shell (3) and forms the shell of player, and the shell is internally installed with power supply main control circuit board (16), and the bottom of shell is provided with battery compartment assembly (18); Sound assembly is arranged at both sides of player and is electrically connected with power supply main control circuit board (16); Power supply main control circuit board (16) is equipped with type-c interface and audio interface; Battery compartment assembly (18) is electrically connected with power supply main control circuit board (16).

2. A portable CD player with Type-C power supply according to claim 1, characterized in that, The CD door cover assembly (1) includes a CD cover, a gear damper (6), and a vane switch (7). The CD cover is clamped with the gear damper (6). When the CD cover is opened, the vane switch (7) is triggered to determine the opening and closing state of the CD cover.

3. The portable CD player with Type-C power supply of claim 1, wherein, The core (5) is a DA11 model. The core (5) is electrically connected with the power supply main control circuit board (16).

4. The portable CD player with Type-C power supply of claim 1, wherein, The sound assembly is a closed sound cavity structure. The sound assembly includes a first loudspeaker mesh cover (10), a second loudspeaker mesh cover (13), a loudspeaker (9), a first loudspeaker cover (8), and a second loudspeaker cover (12). The first loudspeaker mesh cover (10) and the second loudspeaker mesh cover (13) are respectively located outside the sound assemblies on both sides of the player. The first loudspeaker mesh cover (10) and the second loudspeaker mesh cover (13) are used to protect the loudspeaker (9) and allow sound to pass through. The first loudspeaker cover (8) and the second loudspeaker cover (12) respectively cover the loudspeakers (9) on both sides.

5. The portable CD player with Type-C power supply of claim 1, wherein, The bottom surface of the handle (2) is provided with reinforcing ribs that are distributed in a cross shape.

6. The portable CD player with Type-C power supply of claim 1, wherein, The battery compartment assembly (18) includes a battery cover, a battery spring, and a battery slot. The battery slot is marked with positive and negative electrode identifiers. The battery compartment contains a battery. The battery spring contacts the battery in the battery slot to supply power to the power supply main control circuit board (16).

7. The portable CD player with Type-C power supply of claim 1, wherein, The gear damper (6) in the CD door cover assembly (1) is provided with anti-slip lines on the surface. The anti-slip lines are annular protrusions.

8. The portable CD player with Type-C power supply of claim 1, wherein, The surface of the button (11) on the top shell (3) is provided with a raised pattern or identification. The pattern or identification is a function indication in Braille form. The stroke of the button (11) is 3-5 mm.

9. The portable CD player with Type-C power supply of claim 1, wherein, The bottom of the bottom shell (17) is provided with a foot pad (19) made of rubber or EVA cotton material. The foot pad (19) is 3-5 mm high and is used to support the player to achieve a shockproof effect.

Images