CN201397680Y - Hard disk player - Google Patents

Abstract

The utility model relates to a hard disk player. It includes a first shell and a second shell, and a circuit board and a bracket sequentially arranged between the first shell and the second shell, and the circuit board and the bracket are fixed on the first shell; on the bracket A hard disk memory is provided, and a buckle lock is also set on the bracket, and the buckle lock is engaged with a buckle provided on the second shell, so that the second shell is fixed on the bracket . The second shell and the support of the hard disk player of the utility model are fastened together by an engaging structure, the hard disk player has a simple structure, is convenient to assemble, and is convenient for replacement of the hard disk memory.

Description

hard disk player

technical field

The utility model relates to a hard disk player, in particular to a hard disk player which is convenient for replacing a hard disk memory.

Background technique

A hard disk player is a device that can output movies, music, pictures, etc. stored in storage devices such as computer hard disks, mobile hard disks, Secure Digital Cards (SecureDigital Card, SD) and USB flash drives to TVs, monitors, projectors or slide projectors. A digital video playback device for playback. Due to the convenient access to various digital information and the ability to play it on specific devices, hard disk players are very popular.

At present, the hard disk player is mainly a built-in hard disk player, which is provided with a 3.5-inch hard disk as a storage medium in the hard disk shell, and is provided with an audio and video (Audio and Video, AV) interface at the same time, and the hard disk player can use the internal The stored video and other information are output to the TV through the AV interface to realize the playback of the video and other information.

But, the inventor finds that the prior art has at least the following technical defects in the process of realizing the utility model: the shell of the prior art hard disk player is usually fixed together by screws, and the screws need to be disassembled when replacing the hard disk in it, and the hard disk needs to be replaced. It is inconvenient; the output or input interfaces of the prior art hard disk player are few, and the applicability is relatively poor, as it can only support a single TV or monitor playback device.

Utility model content

The purpose of the utility model is to provide a hard disk player, which can effectively solve the technical defects of the prior art, effectively improve the convenience of replacing the hard disk memory of the hard disk player, and improve the applicability of the hard disk player.

In order to achieve the above object, the utility model provides a hard disk player, comprising a first shell and a second shell, and a circuit board and a bracket arranged between the first shell and the second shell in turn, the circuit board and the bracket are fixed on the first casing; the bracket is provided with a hard disk storage, and the bracket is also provided with a buckle lock, and the snap lock is connected with the buckle on the second casing engaging, so that the second shell is fixed on the bracket.

Wherein, the circuit board and the bracket are provided with screw holes, and the screws passing through the screw holes fix the circuit board and the bracket on the first shell. A square groove for placing a hard disk storage is provided on the side of the bracket facing the second casing. At least one step may also be provided in the square groove from bottom to top. A plurality of buckle locks are disposed on the edge of the bracket facing the side of the second housing, and are engaged with a plurality of buckles provided at corresponding positions of the second housing.

In addition, audio and video processors and input and output interfaces are arranged on the circuit board, wherein the input interfaces include universal serial bus interface, miniature universal serial bus interface, secure digital card/multimedia card/memory stick interface and advanced technical accessories The output interface includes audio and video output interface, video graphic array output interface and analog video component interface. Further, the circuit board is also provided with an Ethernet controller, and the input interface also includes a wide area network interface. An infrared receiving controller is also arranged on the circuit board. The hard disk storage is a 2.5-inch hard disk.

The utility model provides a hard disk player. By setting an engaging structure on the back cover and the bracket, the back cover is fixed on the bracket by using buckle locks and buckles, so that the assembly of the hard disk player is more convenient. The structure is simple, and at the same time, when the hard disk memory needs to be replaced, the back cover can be easily disassembled. Compared with the method of fixing the back cover with screws in the prior art, the disassembly and assembly of the back cover of the utility model is more convenient, and it is convenient for the replacement of the hard disk memory . The utility model has abundant input and output interfaces for the counting scheme, which can meet the access of various devices, and realize the playback of different files on various playback devices, which improves the applicability of the hard disk player and improves the user experience.

Description of drawings

Fig. 1 is the assembly structure schematic diagram of the utility model hard disk player embodiment;

Fig. 2 is the structural representation of support in the hard disk player embodiment of the present invention;

Fig. 3 is the A-A direction sectional schematic diagram of Fig. 2;

Fig. 4 is the structural representation of the rear cover in the embodiment of the hard disk player of the present invention;

Fig. 5 is a schematic sectional view of B-B direction in Fig. 4;

Fig. 6 is the schematic diagram of the circuit principle of the utility model hard disk player;

Fig. 7 is the structural representation of the circuit board in the hard disk player of the present invention;

8A-8D are schematic diagrams of the appearance of the hard disk player of the present invention.

Detailed ways

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Fig. 1 is a schematic diagram of the assembly structure of the embodiment of the hard disk player of the present invention. The utility model hard disk player comprises a front cover 1 as a first shell and a back cover 2 as a second shell, and a circuit board 3 and a bracket 4 which are sequentially arranged between the front cover 1 and the back cover 2, wherein the circuit board 3 and the bracket 4 are fixed on the front cover 1; the bracket 4 is provided with a hard disk storage 5, and the bracket 4 is also provided with a buckle lock, which is engaged with the buckle arranged on the back cover 2, so that the back cover 2 is fixed. Set on the bracket 4. In addition, a partition 6 is provided between the circuit board 3 and the bracket 4 to reduce the pressure on the circuit board 3 caused by the bracket 4 and the hard disk storage 5 and reduce the friction on the circuit board 3 .

In practical application, the circuit board 3 and the bracket 4 in this embodiment are provided with screw holes, and the screws passing through the screw holes fix the circuit board 3 and the bracket 4 on the front cover 1 as the first housing. Specifically, a plurality of screw holes can be provided at the corresponding positions of the circuit board 3 and the bracket 4, and screw holes can also be provided at corresponding positions on the front cover 1. During the assembly process of the hard disk player, the screws can be passed through the circuit board 3 and each screw hole of the bracket 4, the circuit board 3 and the bracket 4 are fixedly connected together, and at the same time, the screws are connected with the screw holes on the front cover 1, and the circuit board 3 and the bracket 4 are fixed on the front cover 1 together.

Fig. 2 is a schematic structural view of the bracket in the embodiment of the hard disk player of the present invention; Fig. 3 is a schematic cross-sectional view along the line A-A of Fig. 2 . As shown in Figure 2 and Figure 3, the side of the bracket 4 facing the back cover is provided with a square groove 41 for placing the hard disk storage, and the square groove 41 can be designed in a stepped structure to facilitate the installation of the hard disk storage, specifically, The square groove 41 may be provided with at least one step structure from bottom to top, such as two steps. In addition, a plurality of buckle locks may be disposed on the edge of the side of the bracket 4 facing the rear cover, which engage with a plurality of buckles provided at corresponding positions of the rear cover. As shown in Figure 2, the upper end of the side of the support 4 towards the back cover is provided with two first snap locks 421 of the same shape, and the lower end of the side is provided with two second snap locks 422 of the same shape. Two pairs of third buckle locks 423 are oppositely arranged. When the back cover is assembled on the bracket 4 and fixed to the bracket, each buckle lock on the bracket 4 can cooperate with the buckles provided on the corresponding positions on the back cover, and the buckle can be used to The locking structure of the lock and the buckle fixes the back cover and the bracket together. In addition, as shown in FIG. 2 , a hard disk pattern may also be provided in the square slot 41 , which is convenient for the operator to identify and install the hard disk storage.

Fig. 4 is a schematic structural view of the rear cover in an embodiment of the hard disk player of the present invention; Fig. 5 is a schematic cross-sectional view along B-B in Fig. 4 . As shown in Figures 4 and 5, the back cover 2 may be provided with a plurality of buckles that cooperate with the buckle locks on the bracket, specifically, two first buckles 211 may be provided on the upper end of the back cover 2, The lower end of the back cover 2 is provided with two second buckles 212, and the left and right sides of the back cover 2 are oppositely provided with two pairs of third buckles 213. When assembled, the first buckles 211 can be inserted into the bracket shown in FIG. 2 4, push the back cover 2 forward along the surface of the bracket 4, and connect the second buckle 212 and the third buckle 213 with the second buckle 422 and the third buckle on the bracket respectively. The buckle locks 423 are snapped together, so that the back cover is assembled on the bracket, and the back cover and the bracket are fixed.

In addition, as shown in FIG. 2 and FIG. 4 , a first stop block 424 is also provided between the two pairs of third buckle locks 423 of the bracket 4 . A second stop block 214 is also arranged between them. During the process of assembling the rear cover 2 to the bracket 4, when the first stop block 424 contacts the second stop block 214, it indicates that the rear cover 2 has successfully Assembled to the bracket 4, you can stop pushing the back cover 2 forward at this time, the first stop block 424 and the second stop block 214 can play a positioning role between the back cover 2 and the bracket 4, ensuring that the back cover 2 and bracket 4 assembly accuracy.

It can be seen that the connection between the back cover and the bracket in the hard disk player of the embodiment of the utility model adopts a snap-fit structure, and the back cover is fixed on the bracket by using a buckle lock and a buckle, so that the assembly of the hard disk player is more convenient , the structure of the hard disk player is simple, and at the same time, when the hard disk memory needs to be replaced, the back cover can be easily disassembled. Compared with the method of fixing the back cover with screws in the prior art, the disassembly and assembly of the back cover of the utility model is more convenient. Easy to replace the hard disk memory.

Fig. 6 is a schematic diagram of the circuit principle of the hard disk player of the present invention. In practical application, the hard disk player of the present invention can realize its playback processing based on the audio-video processor AML8618, wherein, the AML8618 is equipped with complete Real Video, Moving Pictures Experts Group (Moving Pictures Experts Group, MPEG) decoder, audio decoding processor and embedded 32-bit reduced instruction set computer (reduced instruction set computer, RISC) processor, which is specially used for system control; AML8618 also integrates an AMRISC processor, which is specially used for audio and video digital signal processing, And it can process files in RM and RMVB formats through the audio and video processing system (Audio Video Operating System, AVOS), and can also decode standard definition (Standard Definition, SD) movie formats; AML8618 also has built-in dual Universal Serial Bus 2.0 (Universal Serial BUS 2.0, USB2.0) and Universal Serial Bus Plug and Play (USB On-the-Go, USBOTG) controllers and card reader controllers, with rich peripheral interfaces. Specifically, as shown in Figure 6, the above-mentioned audio and video processor AML8618 and input and output interfaces can be provided on the circuit board, wherein the input interface can include a USB interface, a miniature universal serial bus (Mini Universal Serial BUS, MiniUSB) interface , SD/MultiMedia Card (MultiMedia Card, MMC)/Memory stick (Memory stick, MS) interface and advanced technology attachment (Advanced Technology Attachment, ATA) interface, the output interface can include audio and video (Audio and Video, AV) output interface, Video Graphics Array (Video Graphics Array, VGA) output interface and analog video component interface YPbPr. Among them, the ATA interface is connected to the hard disk storage set on the bracket, and the processor AML8618 uses the hard disk storage as the storage medium of the entire hard disk player. At the same time, the USB interface, Mini USB interface and SD/MMC The /MS interface can be connected with suitable equipment to obtain the required playback files and content.

In practical application, an Ethernet controller RTL8100CL can also be arranged on the circuit board of the technical solution of the utility model to realize the connection of the network interface. Among them, RTL8100CL is a standard 10/100 Ethernet interface, it is a highly integrated low-cost single-chip Ethernet controller chip, supports 32-bit Peripheral Component Interconnect (PCI) transmission control, and supports IEEE802.3x full-duplex control, with better performance. At the same time, a wide area network (Wide Area Network, WAN) interface connected to the Ethernet controller RTL8100CL is set on the circuit board, so that the hard disk player can obtain relevant playback files and content through the WAN interface.

Fig. 7 is a structural diagram of a circuit board in the hard disk player of the present invention; Figs. 8A-8D are schematic diagrams of the appearance of the hard disk player of the present invention. Specifically, as shown in FIG. 7 , the circuit board 3 is respectively provided with an audio and video processor 7, an Ethernet controller 8, a random access memory (random access memory, RAM) 9 and a read only memory (read only memory, ROM) 10, Wherein, audio-video processor 7 is AML8618 processor, and Ethernet controller 8 is RTL8100CL controller, and its circuit connection can refer to Fig. Working under the control of the processor 7, the circuit on the circuit board 3 can realize the processing of various connected devices, and output the file in the required playback format to realize the playback of the file. In addition, the circuit board 3 can also be provided with an infrared receiving controller 11, which is used to cooperate with the remote controller to realize the control of the hard disk player, which can be used to receive the infrared signal sent by the remote controller, and transmit the infrared signal to the audio and video Processor 7, the audio and video processor 7 performs corresponding playback and other operations according to the infrared signal. At the same time, in order to facilitate the use of the hard disk player, the interface positions of the input and output interfaces can be reasonably set. Specifically, as shown in Figure 7 and Figures 8A-8D, Figures 8A-8D are the front view, top view, Left side view and right view, wherein, USB interface 51, Mini USB interface 52 and SD/MMC/MS interface 53 can be arranged on the left side of the player, AV interface 54, WAN interface 55 and YPbPr interface 56 can be arranged on On the upper side of the player, the VGA interface 58 and the power supply interface 59 are arranged on the right side of the player. It can be seen that the VGA interface is arranged on the right side of the player, because the VGA is not used frequently, so it can avoid the inconvenience of plugging and unplugging of other interfaces that are all arranged on the upper side of the player. At the same time, the USB interface 51 , Mini USB interface 52 and SD/MMC/MS interface 53 and AV interface 54, WAN interface 55 and YPbPr interface 56 are set on different sides, so that the player can be connected to other external storage without affecting the output interface equipment. In addition, as shown in Figure 8B, there are multiple buttons on the front of the hard disk player. The buttons are round buttons, and the buttons are arranged in an arc shape, so that the operator can operate each button with one hand, which is convenient for the operator. At the same time, the other hand of the operator can also complete the plugging and unplugging operations of various interfaces at the same time, making the operation of the hard disk player more humanized.

In practical applications, the hard disk storage in the technical solution of this embodiment may be a 2.5-inch hard disk. By adopting a 2.5-inch hard disk, the size of the entire hard disk player can be effectively reduced, and the hard disk player is smaller and more convenient to carry.

The input and output interfaces in the embodiment of the utility model are rich, which can meet the access of various devices, and can realize the playback of files on various playback devices, which improves the applicability of the hard disk player and improves the user experience.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: It is still possible to make modifications or equivalent replacements to the technical solutions of the present utility model, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present utility model.

Claims (9)

1, a kind of hard disc player comprises first shell and second shell, and is successively set on circuit board and support between described first shell and second shell, it is characterized in that, described circuit board and support are installed on described first shell; Described support is provided with harddisk memory, and also is provided with snap lock on the described support, and described snap lock engages with buckle on being arranged on described second shell, and described second shell is installed on the described support.

2, hard disc player according to claim 1 is characterized in that, described circuit board and support are provided with screw hole, and the screw that wears described screw hole is installed in described circuit board and support on described first shell.

3, hard disc player according to claim 1 is characterized in that, described support is provided with the square groove that is used to place harddisk memory towards the side of described second shell.

4, hard disc player according to claim 3 is characterized in that, is provided with a step in the described square groove from top to bottom at least.

5, hard disc player according to claim 1 is characterized in that, described support is laid with a plurality of snap lock towards the edge of the side of described second shell, engages with a plurality of buckles that are arranged on the described second shell relevant position.

6, according to the arbitrary described hard disc player of claim 1～5, it is characterized in that, described circuit board is provided with audio video processor and IO interface, wherein, input interface comprises USB (universal serial bus), micro universal serial bus interface, safe digital card/multimedia card/memory block interface and high technical attachment unit interface, and described output interface comprises audio and video output interface, Video Graphics Array output interface and analog video component interface.

7, hard disc player according to claim 6 is characterized in that, also is provided with ethernet controller on the described circuit board, and described input interface also comprises Wide Area Network interface.

8, hard disc player according to claim 6 is characterized in that, also is provided with infrared reception controller on the described circuit board.

According to the arbitrary described hard disc player of claim 1～5, it is characterized in that 9, described harddisk memory is 2.5 inches hard disks.

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