A portable video player device

Abstract

The utility model discloses a portable video playing device, including lower casing, upper shell structure, prevent the bearing frame of falling off and control mainboard, and the top of lower casing is established to place the cavity, the bottom of upper shell structure and the top of lower casing sleeve joint, prevent the bearing frame of falling off detachable connection in the place cavity, and the top of prevent the bearing frame of falling off is connected with lens assembly, and the side of lens assembly and prevent the bearing frame connection place is provided with annular pigment layer, control mainboard sets up in the place cavity, and the output of control mainboard and the receiving end electric connection of lens assembly, and control mainboard is provided with control system. The utility model first will lens structure snap in prevent the bearing frame of falling off and carry out the restraint, after the auxiliary annular pigment layer will lens assembly and prevent the bearing frame and carry out the adhesion, under the frame of prevent the bearing frame of falling off and limit lens assembly not easy to separate, and the stability of lens assembly connection is guaranteed simultaneously with the adhesion guarantee lens assembly use's stability.

Description

Technical Field

[0001] This utility model relates to the field of multimedia playback devices, and in particular to a portable video playback device. Background Technology

[0002] A portable multimedia player is an electronic device that can play various formats of audio, video, and images. Due to its small size and convenience, it is very popular among young people.

[0003] Existing playback devices of this type install the control system and lens structure in a small housing structure, and the lens structure is connected to the housing only by a thin adhesive layer. This connection method has a small contact surface and the adhesive layer is easy to fall off, causing the lens to loosen. At the same time, the adhesive layer is easy to overflow, affecting the integrity of the product's appearance and making it difficult to ensure structural stability. In view of this, this solution proposes a portable video playback device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a portable video playback device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a portable video playback device, comprising:

[0006] The lower housing has a placement cavity at its top end;

[0007] An upper shell structure, wherein the bottom of the upper shell structure is sleeved with the top of the lower shell structure;

[0008] An anti-detachment support frame is detachably connected to the placement cavity. A lens assembly is sleeved on the top of the anti-detachment support frame, and an annular pigment layer is provided on the side of the connection between the lens assembly and the anti-detachment support frame.

[0009] A control motherboard is disposed within the placement cavity. The output terminal of the control motherboard is electrically connected to the receiving terminal of the lens assembly. A control system is provided on the control motherboard, which is used for swing control of video switching, image switching, or audio switching.

[0010] Preferably, an installation ring is fixedly connected to the inner wall of the placement cavity, the control main board is connected to the bottom end of the installation ring, and the anti-detachment support frame is detachably connected to the installation ring.

[0011] Preferably, the mounting ring has a first connecting screw hole on its ring wall, and the anti-detachment support frame has a second connecting screw hole on its top side.

[0012] Preferably, the anti-detachment support frame has a loading groove in the middle, and the lens assembly and the annular pigment layer are fitted into the loading groove.

[0013] Preferably, a retaining ring is fixedly connected to the top of the anti-detachment support frame, and the retaining ring is used to wrap and protect the top side of the lens assembly.

[0014] Preferably, the upper shell structure includes:

[0015] A connecting ring is disposed at the top of the lower housing;

[0016] A light-transmitting cover is disposed at the top of the connecting ring.

[0017] Preferably, a first sleeve ring is fixedly connected to the bottom end of the connecting ring, the first sleeve ring is sleeved on the top of the lower housing, and the first sleeve ring is sleeved on the inner wall of the cavity opening at the top of the placement cavity; a second sleeve ring is fixedly connected to the bottom end of the light-transmitting cover, and the second sleeve ring is sleeved on the inner wall of the top of the connecting ring.

[0018] Preferably, the control system consists of a central control module, a button control module, a power supply module, a USB module, a serial port module, an LCD module, a data read / write module, a charging module, and an acceleration sensor module;

[0019] The output terminal of the USB module is electrically connected to the input terminal of the charging module. The output terminal of the charging module is electrically connected to the input terminal of the power module. The output terminal of the power module is electrically connected to the power terminals of the main control module, the data read / write module, the accelerometer sensor module, the serial port module, and the LCD module. The output terminal of the main control module is electrically connected to the control terminals of the data read / write module, the accelerometer sensor module, the serial port module, and the LCD module. The output terminal of the button control module is electrically connected to the receiving terminal of the main control module.

[0020] The technical effects and advantages of this utility model are as follows:

[0021] This utility model uses an anti-detachment support frame to surround and install the lens assembly in the lower and upper shell structures. First, the lens structure is clamped and restricted in the anti-detachment support frame. Then, an auxiliary annular pigment layer is used to bond the lens assembly to the anti-detachment support frame. Under the restriction of the frame of the anti-detachment support frame, the lens assembly is not easy to detach. At the same time, the bonding ensures the stability of the lens assembly connection. In order to avoid the glue layer overflowing, the annular pigment layer is used for isolation to ensure the stability of the lens assembly in use. Attached Figure Description

[0022] Figure 1 This is an exploded view of the overall structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the overall structure of this utility model.

[0024] Figure 3This is a schematic diagram of the structure of the lower shell of this utility model.

[0025] Figure 4 This is a schematic diagram of the upper shell structure of this utility model.

[0026] Figure 5 This is a schematic diagram of the anti-detachment support frame of this utility model.

[0027] Figure 6 This is a circuit diagram of the main control module of this utility model.

[0028] Figure 7 This is a circuit diagram of the button control module of this utility model.

[0029] Figure 8 This is a circuit diagram of the power module of this utility model.

[0030] Figure 9 This is a circuit diagram of the USB module of this utility model.

[0031] Figure 10 This is a circuit diagram of the serial port module of this utility model.

[0032] Figure 11 This is a circuit diagram of the LCD module of this utility model.

[0033] Figure 12 This is a circuit diagram of the data read / write module of this utility model.

[0034] Figure 13 This is a circuit diagram of the charging module of this utility model.

[0035] Figure 14 This is a circuit diagram of the acceleration sensor module of this utility model.

[0036] In the diagram: 1. Lower housing; 101. Mounting ring; 2. Connecting ring; 201. First connecting ring; 3. Light-transmitting cover; 301. Second connecting ring; 4. Control main board; 5. Annular pigment layer; 6. Lens assembly; 7. Anti-detachment support frame; 701. Enclosure ring. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] Example 1: This utility model provides the following... Figure 1 - Figure 5 The portable video playback device shown includes a lower housing 1, an upper housing structure and an anti-detachment support frame 7. The top of the lower housing 1 has a placement cavity, and the inner wall of the placement cavity is fixedly connected to an installation ring 101, which is integrally connected to the inner wall of the lower housing 1.

[0039] The bottom of the upper shell structure is sleeved with the top of the lower shell 1;

[0040] Specifically, the upper shell structure includes:

[0041] Connecting ring 2 is located at the top of the lower housing 1;

[0042] The light-transmitting cover 3 is located at the top of the connecting ring 2.

[0043] The bottom end of the connecting ring 2 is fixedly connected to the first sleeve ring 201, which is sleeved on the top of the lower housing 1 and is sleeved on the inner wall of the cavity opening at the top of the placement cavity. The bottom end of the light-transmitting cover 3 is fixedly connected to the second sleeve ring 301, which is sleeved on the inner wall of the top of the connecting ring 2.

[0044] It should be noted that the connecting ring 2 is tenon-and-mortise fitted to the inner wall of the top of the lower housing 1 through the first connecting ring 201, and the light-transmitting cover 3 is tenon-and-mortise fitted to the connecting ring 2 through the second connecting ring 301. In this scheme, the lower housing 1, the connecting ring 2 and the light-transmitting cover 3 can be combined to form a spherical structure, and light is transmitted through the light-transmitting cover 3 for display.

[0045] The anti-detachment support frame 7 is detachably connected to the placement cavity. The anti-detachment support frame 7 is detachably connected to the mounting ring 101. The top of the anti-detachment support frame 7 is fitted with a lens assembly 6. An annular pigment layer 5 is provided on the side of the connection between the lens assembly 6 and the anti-detachment support frame 7.

[0046] Specifically, the mounting ring 101 has a first connecting screw hole on its ring wall, the anti-detachment support frame 7 has a second connecting screw hole on its top side, the anti-detachment support frame 7 has a loading groove in its middle, the lens assembly 6 and the annular pigment layer 5 are fitted into the loading groove, and the top of the anti-detachment support frame 7 is fixedly connected to a retaining ring 701, which is used to wrap and protect the top side of the lens assembly 6.

[0047] It should be noted that, with the cooperation of the retaining ring 701, the anti-detachment support frame 7 can wrap and bind the lens assembly 6 in the loading groove. At the same time, under the obstruction of the annular pigment layer 5, the sides of the lens assembly 6 and the inner wall of the loading groove are glued together. In this solution, the anti-detachment support frame 7 can be detachably connected to the top of the mounting ring 101 by screws threaded through the second connecting screw hole and the first connecting screw hole respectively.

[0048] Example 2: This utility model provides the following... Figure 6 - Figure 14 The control motherboard 4 shown is used in a portable video playback device according to Embodiment 1. The control motherboard 4 is disposed in the placement cavity and connected to the bottom end of the mounting ring 101. The output end of the control motherboard 4 is electrically connected to the receiving end of the lens assembly 6. A control system is provided at the control motherboard 4. The control system is used to control video switching, image switching or audio switching by swinging.

[0049] Specifically, the control system consists of a central control module, a button control module, a power supply module, a USB module, a serial port module, an LCD module, a data read / write module, a charging module, and an acceleration sensor module.

[0050] The output of the USB module is electrically connected to the input of the charging module. The output of the charging module is electrically connected to the input of the power module. The output of the power module is electrically connected to the power supply terminals of the main control module, the data read / write module, the accelerometer sensor module, the serial port module, and the LCD module. The output of the main control module is electrically connected to the control terminals of the data read / write module, the accelerometer sensor module, the serial port module, and the LCD module. The output of the button control module is electrically connected to the receiving terminal of the main control module.

[0051] It should be noted that the USB module uses a USB circuit, including a TYPE-C interface (USB1), resistors R2 (5.1K) and R7 (5.1K); the VBUS pin of the TYPE-C interface is used for power supply, and the D+ and D- pins are connected to the USB_DP and USB_DN signals respectively to provide USB data transmission; the SHELL pin is grounded, and resistors R2 and R7 are used for signal matching or pull-up / pull-down.

[0052] The charging module uses a charging circuit to manage battery charging and detect battery voltage (BAT pin). It includes a charging chip (U1, TP4054), diode D1 (1N5819WS), capacitor C1 (10uF), resistors R3 (100K), R4 (10K), R5 (2K), R9 (100K), LED1 (KT-0603R), capacitor C24 (100nF), resistors R8 (100K), R10 (100K), and battery interfaces (BAT+, BAT-). USB_IN is input to the VIN pin of the charging chip U1 via diode D1 and capacitor C1. R4 and R5 set the charging current, and the charging chip output connects to the battery interface. LED1 indicates the charging status. R8, R10, and C24 form the battery voltage detection circuit, and the BAT pin is used to detect the battery voltage.

[0053] The power supply module uses a power supply circuit to provide a stable 3.3V power supply to all modules of the system; it includes a voltage regulator chip (U2, RT9013-33GB), capacitors C2 (10uF), C3 (100nF), C4 (100nF), C5 (10uF) and resistor R6 (100K); V_BAT is input to the VIN pin of the voltage regulator chip U1, and outputs VDD_3V3 after regulation; capacitors C2, C3, C4 and C5 are used for power supply filtering, and R6 is used for enable or voltage divider control.

[0054] The data read / write module uses a data read / write circuit, including a TF card interface (SD1, 4221001), a resistor array RP1 (10KΩ), and a capacitor C6 (100nF); VDD_3V3 supplies power to the TF card, the resistor array RP1 is used for signal pull-up, and SD_MISO, SD_MOSI, SD_CLK, and SD_CS1 are SPI communication signals to realize data read / write of the TF card.

[0055] The serial port module uses a serial port circuit, including pin header JP1, which provides GND, RXD, TXD, and VDD_3V3 interfaces for serial communication to realize data input and output.

[0056] The LCD module uses an LCD circuit, including an LCD screen (LCD1, 1.28INCH_12PIN), a MOSFET Q1 (AO3400), resistors R12 (10R), R14 (100K), and capacitors C8 (100nF) and C9 (10uF). VDD_3V3 supplies power to the LCD screen, and LCD_RS, LCD_SCS, LCD_SCK, LCD_SDA0, and LCD_RST are control and data signals. Q1, R12, and R14 form the LCD backlight control circuit, and LCD_BK is used to control the backlight switch.

[0057] The button control module adopts a button control circuit, including buttons S1 and S2, resistors R13 (10K) and R15 (100K) and capacitor C7 (100nF); S1 is the MCU_RST reset button, S2 is the BOOT start button, the resistor is used for pull-up or pull-down, and the capacitor is used for debouncing.

[0058] The main control module uses a main control circuit, including an ESP32 chip (U3, ESP32-S3R2), antenna mount ANT1 (IPEX antenna mount), inductors L1 (2nH), L2 (2nH), capacitors C12 (1.5pF), C13 (1.5pF), C14 (100nF), C15 (100nF), C16 (1uF), C17 (10uF), crystal oscillator X1 (40MHz), inductor L3 (OR), and capacitor C20 (…). The components include C18 (10nF), C21 (8pF), flash memory chip U5 (W25Q64JVSSIQ), capacitors C18 (10nF), C19 (1uF), C22 (100nF), and C23 (1uF); the ESP32 chip is the core controller, and the antenna mount ANT1 is used for wireless communication; a 40MHz crystal oscillator provides the clock signal; the flash memory chip U5 is connected to the ESP32 via the SPI interface and is used for program storage; the capacitors and inductors are used for power supply and signal filtering.

[0059] The accelerometer module uses an accelerometer circuit, including an accelerometer (U4, SC7A20HTR), resistors R16 (10K), R17 (10K), capacitors C10 (100nF) and C11 (100nF); it is powered by VDD_3V3, GS_SDA and GS_SCL are I2C communication signals, and GS_INT1 is an interrupt signal to realize the acquisition of acceleration data.

[0060] Each module is connected via the GPIO pins of the ESP32 chip, forming a system that includes power supply, storage, display, sensors, and communication functions.

[0061] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable video playback device, characterized in that, include: The lower housing (1) has a placement cavity at its top end; The upper shell structure is fitted at the bottom of the lower shell (1); Anti-detachment support frame (7), the anti-detachment support frame (7) is detachably connected to the placement cavity, the top of the anti-detachment support frame (7) is sleeved with a lens assembly (6), and an annular pigment layer (5) is provided on the side of the connection between the lens assembly (6) and the anti-detachment support frame (7); A control motherboard (4) is disposed in the placement cavity. The output end of the control motherboard (4) is electrically connected to the receiving end of the lens assembly (6). A control system is provided on the control motherboard (4). The control system is used to control video switching, image switching or audio switching by swinging.

2. The portable video playback device according to claim 1, characterized in that, The inner wall of the placement cavity is fixedly connected to an installation ring (101), the control main board (4) is connected to the bottom end of the installation ring (101), and the anti-detachment support frame (7) is detachably connected to the installation ring (101).

3. A portable video playback device according to claim 2, characterized in that, The mounting ring (101) has a first connecting screw hole on its ring wall, and the anti-detachment support frame (7) has a second connecting screw hole on its top side.

4. A portable video playback device according to claim 1, characterized in that, The anti-detachment support frame (7) has a loading groove in the middle, and the lens assembly (6) and the annular pigment layer (5) are fitted into the loading groove.

5. A portable video playback device according to claim 4, characterized in that, The top of the anti-detachment support frame (7) is fixedly connected to a retaining ring (701), which is used to wrap and protect the top side of the lens assembly (6).

6. A portable video playback device according to claim 1, characterized in that, The upper shell structure includes: A connecting ring (2) is disposed at the top of the lower housing (1); A light-transmitting cover (3) is disposed at the top of the connecting ring (2).

7. A portable video playback device according to claim 6, characterized in that, The bottom end of the connecting ring (2) is fixedly connected to a first sleeve ring (201), which is sleeved on the top of the lower housing (1) and sleeved on the inner wall of the cavity opening at the top of the placement cavity. The bottom end of the light-transmitting cover (3) is fixedly connected to a second sleeve ring (301), which is sleeved on the inner wall of the top of the connecting ring (2).

8. A portable video playback device according to claim 1, characterized in that, The control system consists of a central control module, a button control module, a power supply module, a USB module, a serial port module, an LCD module, a data read / write module, a charging module, and an acceleration sensor module. The output terminal of the USB module is electrically connected to the input terminal of the charging module. The output terminal of the charging module is electrically connected to the input terminal of the power module. The output terminal of the power module is electrically connected to the power terminals of the main control module, the data read / write module, the accelerometer sensor module, the serial port module, and the LCD module. The output terminal of the main control module is electrically connected to the control terminals of the data read / write module, the accelerometer sensor module, the serial port module, and the LCD module. The output terminal of the button control module is electrically connected to the receiving terminal of the main control module.

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