CN214623633U - Mobile storage device and file access system - Google Patents

Abstract

The application provides a mobile storage device and a file access system, and relates to the technical field of electronic equipment. The utility model discloses a include: the device comprises a storage chip, a communication interface and an application control chip; the application control chip is in communication connection with the communication interface, the application control chip is also in communication connection with the storage chip, and the storage chip stores the read-only file of the preset application, so that the first intelligent terminal which is in communication connection with the communication interface and is provided with the preset application accesses the read-only file of the preset application in the storage chip through the application control chip. The mobile storage device provided by the embodiment of the application expands the storage space of the intelligent terminal, and solves the problems that the storage space of the existing intelligent terminal is limited, and the expansion space cannot store application data.

Description

Mobile storage device and file access system

Technical Field

The utility model relates to an electronic equipment technical field particularly, relates to a mobile storage device and file access system.

Background

With the continuous development and improvement of the technology, the demand of the storage space is increased due to the continuous increase of data files required to be stored by people, the storage space of the terminal is limited, the expansion operation is complex, the cost is high, and the mobile storage device is widely used due to the characteristics of small volume, convenience in carrying, large storage capacity and low price. However, at present, some terminal applications can only be stored on the smart terminal, and cannot be directly stored in the existing mobile storage device.

This results in that the existing mobile storage device with only storage function can not meet the requirement of the manufacturer for grasping the application data, nor the use requirement of the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove storage device and file access system to the not enough among the above-mentioned prior art to solve the problem that the unable direct cache of part application arrives in removing storage device.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

in a first aspect, an embodiment of the present invention provides a mobile storage device, including: the device comprises a storage chip, a communication interface and an application control chip; the application control chip is in communication connection with the communication interface, the application control chip is also in communication connection with the storage chip, and the storage chip stores the read-only file of the preset application, so that the first intelligent terminal which is in communication connection with the communication interface and is provided with the preset application accesses the read-only file of the preset application in the storage chip through the application control chip.

Optionally, other files except for the preset application are stored in the memory chip; the mobile storage device further includes: a main control chip; the communication interface is also in communication connection with the main control chip, and the main control chip is also in communication connection with the storage chip, so that a second intelligent terminal in communication connection with the communication interface accesses other files in the storage chip through the main control chip.

Optionally, the memory chip includes: the main control system comprises a first storage chip and a second storage chip, wherein the first storage chip stores files of preset applications, the application control chip is in communication connection with the first storage chip, the second storage chip stores other files, and the main control chip is in communication connection with the second storage chip.

Optionally, the application control chip is further in communication connection with the main control chip, so as to detect the intelligent terminal in communication connection with the communication interface through the main control chip.

Optionally, the first memory chip includes: the first hard disk and the first memory are respectively in communication connection with the application control chip.

Optionally, the communication interface includes: a first communication interface, and a second communication interface; the first communication interface is used for being connected with a first intelligent terminal, the second communication interface is used for being connected with a second intelligent terminal, the first communication interface is in communication connection with the application control chip, and the second communication interface is in communication connection with the main control chip.

Optionally, the first communication interface is a TypeC interface, and the second communication interface is a USB interface.

Optionally, the number of the first communication interfaces is one or more, and the first communication interfaces are respectively used for being in communication connection with one or more first intelligent terminals.

In a second aspect, an embodiment of the present application further provides a file access system, including: the mobile storage device comprises a first intelligent terminal and any one of the mobile storage devices, wherein the first intelligent terminal is in communication connection with a communication interface in the mobile storage device, so that the first intelligent terminal accesses a read-only file of a preset application in a storage chip in the mobile storage device through an application control chip in the mobile storage device.

The beneficial effect of this application is:

the mobile storage device and the file access system provided by the embodiment of the application can perform access operation on the file of the preset application, are in butt joint with content manufacturers, access downloading of application data of the preset application is achieved, the storage space of the intelligent terminal is expanded, and the problems that the storage space of the existing intelligent terminal is limited and the expansion space cannot store the application data are solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a mobile storage device according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a mobile storage device according to another embodiment of the present application;

FIG. 3 is a schematic structural diagram of a mobile storage device according to another embodiment of the present application;

FIG. 4 is a schematic structural diagram of a mobile storage device according to still another embodiment of the present application;

FIG. 5 is a schematic structural diagram of a mobile storage device according to yet another embodiment of the present application;

fig. 6 is a schematic view of a scenario of a file access system according to an embodiment of the present application.

Icon: 100-a mobile storage device; 10-a memory chip; 30-application control chip; 50-a communication interface; 51-a first communication interface; 52-a second communication interface; 70-a main control chip; 11-a first memory chip; 12-a second memory chip; 300-first intelligent terminal.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

The mobile storage device and the file access system provided by the present application are illustrated by a plurality of examples as follows.

In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, unless specifically limited otherwise.

The mobile storage device provided by the following embodiments of the present application may be an intelligent storage in a possible product form of practical application, such as an intelligent usb disk and an intelligent mobile hard disk, and may store a file of a preset application. The preset application may be, for example, a preset instant messaging application, a preset audio/video application, or a preset image processing application.

The following describes an example of a mobile storage device provided in an embodiment of the present application with reference to a plurality of examples. Fig. 1 is a schematic structural diagram of a mobile storage device according to an embodiment of the present application. As shown in fig. 1, the mobile storage device 100 includes a storage chip 10, an application control chip 30, and a communication interface 50.

The application control chip 30 is in communication connection with the communication interface 50, the application control chip 30 is also in communication connection with the memory chip 10, and a read-only file of a preset application is stored in the memory chip 10, so that the first intelligent terminal with the preset application, which is in communication connection with the communication interface 50, accesses the read-only file of the preset application in the memory chip 10 through the application control chip 30.

For example, the application control chip 30 may be connected to the communication interface 50 through an input/output interface to implement a communication connection between the application control chip 30 and the communication interface 50, so as to implement data transmission between the first intelligent terminal connected to the communication interface 50 and the application control chip 30, so that the first intelligent terminal with the preset application and communicatively connected to the communication interface 50 accesses a read-only file of the preset application in the memory chip 10 through the application control chip 30.

The application control chip 30 is also connected to the memory chip 10 via a memory interface. The memory chip 10 may include: at least one storage medium of a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, for example, includes: hard disk and flash memory.

The memory chip 10 may be pre-stored with a read-only file of a preset application, where the read-only file of the preset application includes: and files downloaded from the server side of the preset application, such as audio and video files or image and text files, or other multimedia files.

It should be noted that the mobile storage device 100 may be a pass-through type smart memory or a line type smart memory, and the present application is not limited thereto. If the mobile storage device 100 is a pass-through type smart storage, the mobile storage device 100 can directly communicate with the first smart terminal through the communication interface 50, that is, the two are directly connected through the communication interface 50; if the mobile storage device 100 is a line-type smart storage, the mobile storage device 100 may be connected to the first smart terminal through the communication interface 50 via other media, such as a card reader, a data connection line, and the like, which is not limited in this embodiment.

It should be further noted that the first intelligent terminal may be a smart phone, a smart watch, or a tablet computer, which is not limited in this embodiment of the application.

In a specific application example, the application control chip 30 stores an application program interface of at least one preset application in advance. The communication interface 50 of the mobile storage device 100 is in communication with a first intelligent terminal, and the first intelligent terminal recognizes that the mobile storage device 100 is in communication connection with the first intelligent terminal. The user can input file operation on the interface of the preset application on the first intelligent terminal, and the first intelligent terminal sends an authentication request to the application control chip 30 through the communication interface 50, where the authentication request includes: and presetting an application program interface of the application. The application control chip 30 judges whether the application program interface of the preset application is matched with the prestored application program interface under the condition that the verification request is received, if so, the verification is passed, and the first intelligent terminal can be determined to have the permission of accessing the read-only file of the preset application; otherwise, if the first intelligent terminal does not have the right of accessing the read-only file of the preset application, determining that the first intelligent terminal does not have the right of accessing the read-only file of the preset application.

If the first intelligent terminal has an access right, the first intelligent terminal may access the read-only file of the preset application in the storage chip 10 through the application control chip 30, where the access operation may be, for example: performing a line adding operation on the read-only file, that is, downloading a new file of the preset application to the memory chip 10; the access operation may be, for example: the deletion operation of the read-only file, that is, the deletion operation of part or all of the files stored in the memory chip 10. It should be noted that the file stored in the memory chip 10 is a read-only file of the preset application, and only the file of the preset application is added or deleted when the mobile storage device 100 is connected to the first intelligent terminal.

If the first intelligent terminal does not have the file access authority of the preset application, the file in the memory chip 10 is in a hidden state relative to the first intelligent terminal, and cannot be accessed. It should be noted that, when the operating system where the application is located in the first intelligent terminal is not matched with the preset operating system corresponding to the preset application, that is, the operating system does not have the file access right. For example, if the preset operating system corresponding to the preset application is an android operating system, and the operating system of the application of the first intelligent terminal is a Windows (Windows) operating system or an IOS operating system.

It is understood that the identification method of the mobile storage device 100 by the first intelligent terminal may be, for example, automatic identification or manual identification. If the identification is automatic, the automatic identification of the mobile storage device 100 can be realized by polling or interruption, for example; if the identification is manual identification, for example, the identification can be performed in a mode of connecting a manual control system, so that the first intelligent terminal identifies that the first intelligent terminal is in communication connection with the mobile storage device.

It should be noted that, the application control chip 30 in the mobile storage device 100 of the present application may also perform statistics and feedback on the accessed intelligent terminal and the usage data based on the file access operation of the first intelligent terminal to the preset application.

It should be clear that, the present application does not limit the specific hardware structure of the mobile storage device 100, as long as the internal cavity of the mobile storage device 100 can store the interfaces of the chip 10 and the application control chip 30, and the communication interface 50 can be disposed outside the mobile storage device 100, so as to implement the communication connection with the first intelligent terminal while ensuring the integration level of the mobile storage device.

The mobile storage device provided by the embodiment of the application comprises the application control chip 30, can access and operate the file of the preset application, is in butt joint with various content manufacturers, realizes access and downloading of the application data of the preset application, expands the storage space of the intelligent terminal, and solves the problems that the storage space of the existing intelligent terminal is limited and the expansion space cannot store the application data. In addition, the mobile storage device provided by the embodiment of the application improves the service function of a manufacturer to a user by controlling the content copyright, and brings a qualitative leap for the application file management and the safety management of the intelligent terminal. In addition, the application control interface of the preset application can be customized and developed with an application supplier or a content supplier, so that the copyright requirements of the supplier are met.

Optionally, on the basis of the mobile storage device 100 shown in fig. 1, embodiments of the present application may also provide another possible implementation manner of the mobile storage device 100. Fig. 2 is a schematic structural diagram of a mobile storage device according to another embodiment of the present application. As shown in fig. 2, other files except for the preset application are stored in the memory chip 10; the mobile storage device 100 further includes: a main control chip 70; the communication interface 50 is further connected to the main control chip 70 in a communication manner, and the main control chip 70 is further connected to the memory chip 10 in a communication manner, so that a second intelligent terminal connected to the communication interface 50 in a communication manner accesses other files in the memory chip 10 through the main control chip 70.

It should be noted that, the second intelligent terminal may be: personal Digital Assistants (PDAs), point of sale (POS), vehicle-mounted computers, desktop computers, notebook computers, smart televisions, and other mobile terminals, which are not limited in this application. It should be noted that the operating system of the second intelligent terminal is different from the operating system of the first intelligent terminal.

For example, the main control chip 70 may be communicatively connected to the communication interface 50 through the input/output interface, so as to implement communication connection between the main control chip 70 and the communication interface 50, thereby implementing data transmission between a second intelligent terminal connected to the communication interface 50 and the main control chip 70, so that the communication interface 50 communicatively connects the second intelligent terminal to access other files in the storage chip 10 through the main control chip 70, and meanwhile, the second intelligent terminal may also perform an editing operation on the other files in the storage chip 10 through the main control chip 70.

In a specific application example, the communication interface 50 of the mobile storage device 100 is in communication connection with a second intelligent terminal, and after the second intelligent terminal recognizes the communication connection, the user may operate in the following manner:

the user can perform operations such as accessing and editing on other files through the main control chip 70, it should be noted that the access and editing of other files by the second intelligent terminal are not limited, and besides, the unseen types of other files may be files such as documents, tables, images, and the like, which is not limited in this application.

The memory chip 10 may have, for example, two memory areas, and one memory area may store a read-only file of a preset application, and the other memory area may store other files than the read-only file of the preset application.

The mobile storage device provided by the embodiment can meet the requirements of adding and deleting storage access of read-only files of preset applications, can also meet other storage requirements of users, and realizes multifunctional multi-angle application of the mobile storage device. The storage chip is partitioned, so that the requirements of enterprises (To Business, TOB) and clients (To Customer, TOC) can be met, a user can use an area for storing other files as a common storage device, and the storage area of the read-only file of the preset application is in a TOB form, so that the requirements of the user on expansion of the application storage capacity are met under the condition that copyright and the like are not sacrificed by a wide application production provider, and the method has great application value.

Optionally, on the basis of the mobile storage apparatus 100 shown in fig. 2, the embodiment of the present application may also provide another possible implementation manner of the mobile storage apparatus 100. Fig. 3 is a schematic structural diagram of a mobile storage device according to another embodiment of the present application. As shown in fig. 3, the memory chip includes: the system comprises a first storage chip 11 and a second storage chip 12, wherein the first storage chip 11 stores a file of a preset application, the application control chip 30 is in communication connection with the first storage chip 11, the second storage chip 12 stores other files, and the main control chip 70 is in communication connection with the second storage chip 12.

For example, the application control chip 30 is connected to the first memory chip 11 through a memory interface, and the first memory chip 11 may store a read-only file of a preset application in advance. The main control chip 70 is also connected to the second memory chip 12 through a memory interface.

In a specific application example, the execution method of the upper path, that is, the communication interface 50, the application control chip 30, and the first memory chip 11, is the same as that of the embodiment described in the first drawing, that is, the application control chip 30 stores at least one application program interface of a preset application in advance. The user can select a file operation on a preset application interface of the first intelligent terminal, and judge whether the user can access the first storage chip 11 or not by verifying the access authority of the first intelligent terminal. For the downlink, the main control chip 70 may be in communication connection with the communication interface 50 through the input/output interface to implement communication connection between the main control chip 70 and the communication interface 50, thereby implementing data transmission between the second intelligent terminal connected to the communication interface 50 and the main control chip 70, so that the main control chip 70 in communication connection with the communication interface 50 accesses the file in the second storage chip 12.

The mobile storage device provided by the embodiment of the application comprises two storage chips, different storage chips are called according to different using modes, the stability of the functions of the mobile storage device is improved, and the mobile storage device is more flexible to use.

Optionally, on the basis of the mobile storage apparatus 100 shown in fig. 2, embodiments of the present application may also provide another possible implementation manner of the mobile storage apparatus 100. Fig. 4 is a schematic structural diagram of a mobile storage device according to still another embodiment of the present application. As shown in fig. 4, the application control chip 30 is further communicatively connected to the main control chip 70, so as to detect the intelligent terminal communicatively connected to the communication interface 50 through the main control chip 70.

For example, the main control chip 70 may be connected to the communication interface 50 through an input/output interface to implement a communication connection between the main control chip 70 and the communication interface 50, so as to implement data transmission between the second intelligent terminal connected to the communication interface 50 and the main control chip 70.

The application control chip 30 may also be connected to the main control chip 70 through the communication interface 50 to implement communication connection between the application control chip 30 and the main control chip 70, so as to implement data transmission between the first intelligent terminal connected to the main control chip 70 and the storage chip 10.

In a specific application example, operations such as accessing and editing may be performed on other files through the main control chip 70, and in addition, the main control chip 70 may also provide a bypass function for the application control chip 30, that is, a user inputs a file operation on an interface of a preset application on the first intelligent terminal, and the first intelligent terminal sends a verification request to the main control chip 70 through the communication interface 50, and the verification request is sent to the application control chip 30 through the main control chip 70 in a straight-in and straight-out manner to perform a subsequent operation.

The mobile storage device provided by the embodiment can add the main control chip to provide the bypass function at the upstream of the application control chip, thereby increasing the integration degree of the system and the stability of the system.

Optionally, on the basis of the mobile storage device 100 shown in fig. 3, the embodiment of the present application may also provide another possible implementation manner of the memory chip 10. The first memory chip 11 includes: the first hard disk and the first memory are respectively in communication connection with the application control chip 30. The second memory chip 12 includes: the second hard disk and the second memory are respectively in communication connection with the main control chip 70.

For example, the application control chip 30 is connected to a first hard disk through a storage interface, the application control chip 30 is connected to a first memory through the storage interface, a read-only file of a preset application is stored in the first hard disk and is a storage area of the file, and the first memory is an access area of the read-only file of the preset application; the main control chip 70 is connected to a second hard disk through a storage interface, the main control chip 70 is connected to a second memory through a storage interface, the second hard disk is a storage area of other files, and the second memory is an access editing area of other files.

The mobile storage device provided by the embodiment of the application comprises the first hard disk, the first memory, the second hard disk and the second memory, the storage area is enlarged, the reading speed of stored data is increased, and the stability of a storage function and the use robustness of the whole mobile storage device are improved.

Optionally, on the basis of the mobile storage apparatus 100 shown in fig. 2, embodiments of the present application may also provide another possible implementation manner of the mobile storage apparatus 100. Fig. 5 is a schematic structural diagram of a mobile storage device according to yet another embodiment of the present application. As shown in fig. 5, wherein the communication interface 50 includes: a first communication interface 51, and a second communication interface 52; the first communication interface 51 is used to connect a first intelligent terminal, the second communication interface 52 is used to connect a second intelligent terminal, the first communication interface 51 is in communication connection with the application control chip 30, and the second communication interface 52 is in communication connection with the main control chip 70.

In this embodiment, the first communication interface 51 may be in communication connection with the application control chip 30 through an input/output interface to implement communication connection between the application control chip 30 and the first communication interface 51, so as to implement data transmission between the first intelligent terminal connected to the first communication interface 51 and the application control chip 30, so that the first intelligent terminal with the preset application and communicatively connected to the first communication interface 51 accesses the read-only file of the preset application in the memory chip 10 through the application control chip 30.

That is, after the first communication interface 51 is connected, if the corresponding application is used, the access to the read-only file of the preset application can be realized. The second communication interface 52 is in communication connection with the main control chip 70, that is, the second communication interface 52 is connected to be capable of accessing other files, so that data transmission between the second intelligent terminal connected to the second communication interface 52 and the main control chip 70 is realized, so that the second intelligent terminal connected to the second communication interface 52 in communication accesses other files in the storage chip 10 through the main control chip 70, and meanwhile, the second intelligent terminal can also perform editing operation on other files in the storage chip 10 through the main control chip 70.

In a specific application example, a user selects an appropriate communication interface, namely the first communication interface 51 or the second communication interface 52, according to the use requirement of the intelligent terminal. For example, if the user needs to use the mobile storage device to read a read-only file of a preset application, the first communication interface 51 needs to be connected to the smart terminal; if the user needs to use the mobile storage device to read and edit other files, the second communication interface 52 needs to be connected to the intelligent terminal.

The mobile storage device provided by the embodiment of the application comprises two communication interfaces, namely the first communication interface 51 and the second communication interface 52, so that a user can perform targeted connection aiming at different use purposes, the memory occupation of an intelligent terminal is reduced, and the response speed is accelerated.

Optionally, on the basis of the mobile storage device 100 shown in fig. 5, an embodiment of the present application may further provide another possible implementation manner of the mobile storage device 100, where the first communication interface is a Type C interface, and the second communication interface is a USB interface.

It should be noted that the mobile storage device 100 may be a pass-through Type smart storage having a Type C + USB interface and conforming to the USB I2C protocol, or may be a line Type smart storage having a Type C + USB interface and having a charging capability and conforming to the USB I2C protocol, which is not limited in this application.

The mobile storage device that this application embodiment provided sets up two kinds of interfaces of Type C interface, USB interface, and Type C interface is the port Type of intelligent terminal such as most cell-phones, flat board at present, and the USB interface is the port of most computer configuration, and such setting makes things convenient for the user to use same mobile storage device to carry out information storage and reads, can also satisfy the purpose of file interchange between cell-phone and the computer.

Optionally, on the basis of the mobile storage device 100 shown in fig. 5, another possible implementation manner of the mobile storage device 100 may be provided in this embodiment of the application, where the number of the first communication interfaces is one or more, and the first communication interfaces are respectively used for being in communication connection with one or more first intelligent terminals.

The mobile storage device provided by the embodiment of the application is connected with one or more intelligent terminals, can realize data practicability in a complex environment, and has great application value.

The application control chip 30 of the mobile storage device of the present application is a firmware, and is strongly bound with the application of the first intelligent terminal or the second intelligent terminal. If the mobile terminal application is upgraded, the mobile storage device 100 is connected and then self-upgraded.

The application also provides a file access system. Fig. 6 is a schematic view of a scenario of a file access system according to an embodiment of the present application. As shown in fig. 6, the file access system includes: the first intelligent terminal 300 and the mobile storage device 100 as described in any one of the above, wherein the first intelligent terminal 300 is in communication connection with the communication interface 50 in the mobile storage device 100, so that the first intelligent terminal 300 accesses the read-only file of the preset application in the storage chip 10 in the mobile storage device 100 through the application control chip 30 in the mobile storage device 100.

The file access system can be provided with a mobile storage device 100, wherein an application control chip 30 is added under the product architecture of a common memory, other files and read-only files of preset applications are stored, after a first intelligent terminal 300 is connected with the mobile storage device 100 of the application, an application control interface of the application control chip 30 of the mobile storage device 100 is in butt joint with an application control interface of the intelligent terminal application, and file access or offline file downloading from the intelligent terminal application to the read-only files of the preset applications and file adding and deleting management can be achieved.

In the several embodiments provided in the present disclosure, it should be understood that the disclosed apparatus and system may be implemented in other manners. For example, the above-described device embodiments are merely illustrative, and for example, the division of the belonging storage space is only one functional division, and there may be another division manner in practical implementation, for example, the division may be performed by using sectors or by using addresses.

The audio and video application and the mobile storage device are bundled to be customized to develop an encryption mode, namely, an application control chip of a special file area in the intelligent storage and the intelligent terminal application establish an encryption command together through an application control interface. And communicating information of the two parties through the application control interface to realize uplink downloading connection between other file areas and the read-only file of the preset application of the smart phone terminal or the smart terminal.

The units described as separate parts may or may not be physically separate, and some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A mobile storage device, comprising: the device comprises a storage chip, a communication interface and an application control chip;

the application control chip is in communication connection with the communication interface, the application control chip is also in communication connection with the storage chip, and a read-only file of a preset application is stored in the storage chip, so that a first intelligent terminal which is in communication connection with the communication interface and is provided with the preset application can access the read-only file of the preset application in the storage chip through the application control chip.

2. The mobile storage device according to claim 1, wherein the storage chip further stores other files than the preset application; the mobile storage device further comprises: a main control chip;

the communication interface is also in communication connection with the main control chip, and the main control chip is also in communication connection with the storage chip, so that a second intelligent terminal in communication connection with the communication interface accesses other files in the storage chip through the main control chip.

3. The removable memory device of claim 2, wherein the memory chip comprises: a first memory chip and a second memory chip, wherein the first memory chip stores the file of the preset application, the application control chip is connected with the first memory chip in communication,

other files are stored in the second storage chip, and the main control chip is in communication connection with the second storage chip.

4. The mobile storage device according to claim 2, wherein the application control chip is further communicatively connected to the main control chip, so as to detect, through the main control chip, the intelligent terminal communicatively connected to the communication interface.

5. The removable memory device of claim 3, wherein the first memory chip comprises: the first hard disk and the first memory are respectively in communication connection with the application control chip.

6. The removable memory device of claim 3, wherein the second memory chip comprises: the second hard disk and the second memory are respectively in communication connection with the main control chip.

7. The removable storage device of claim 2, wherein the communication interface comprises: a first communication interface, and a second communication interface;

the first communication interface is used for being connected with the first intelligent terminal, the second communication interface is used for being connected with the second intelligent terminal, the first communication interface is in communication connection with the application control chip, and the second communication interface is in communication connection with the main control chip.

8. The mobile storage device of claim 7, wherein the first communication interface is a type C interface and the second communication interface is a USB interface.

9. The mobile storage device according to claim 7, wherein the number of the first communication interfaces is one or more, and the first communication interfaces are respectively used for being in communication connection with one or more of the first intelligent terminals.

10. A file access system, comprising: the first intelligent terminal and the mobile storage device of any one of claims 1 to 9, wherein the first intelligent terminal is in communication connection with a communication interface in the mobile storage device, so that the first intelligent terminal accesses a read-only file of a preset application in a storage chip in the mobile storage device through an application control chip in the mobile storage device.

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