CN204538426U - Mobile phone usb flash disk - Google Patents

Abstract

The utility model provides a kind of mobile phone USB flash disk, comprise housing, main control module, the flash memory module be electrically connected with described main control module, and the USB type-C interface to be electrically connected with described main control module, described main control module, described flash memory module and a described USB type-C interface are all located in described housing, in addition, also comprise the adapter with the 2nd USB type-C interface and standard USB interface, described 2nd USB type-C interface plugs with a described USB type-C interface and is connected, the mobile phone USB flash disk of this shape design can solve the problem of antenna interference, and its production cost is lower.

Description

Mobile phone U disk

technical field

The utility model relates to a mobile phone U disk, in particular to a mobile phone U disk with a USB type-C interface.

Background technique

With more and more new devices pursuing light weight and miniaturization, the "huge" size of the traditional USB interface has been difficult to meet the needs of device manufacturers and consumers. At the same time, the traditional USB interface needs to be repeatedly unplugged and plugged in to find the "correct" direction has been widely criticized by consumers. Users urgently need an interface similar to the Lighting interface that can be plugged into the front and back, especially in mobile phones that require frequent Among a large number of devices connected to data lines, the experience of inserting the wrong interface once or twice a day is not friendly. Based on these problems, the makers of the USB standard launched the Type-C physical interface specification, and introduced several major features in the specification: fiber Thin and non-directional.

With the development trend of USB Type-C interface, various storage devices with USB Type-C interface are becoming more and more popular, such as mobile phone U disk with USB Type-C interface. However, in the prior art, these storage devices with The U disk of a mobile phone with a USB Type-C interface generally includes a main control module, a flash memory module, a standard USB interface electrically connected to the main control module, and a USB Type-C interface at the other end electrically connected to the main control module. In this way, the connection line between the main control module and the standard USB interface and the connection line between the main control module and the USB Type-C interface will produce antenna effects and interfere with each other. In order to solve this problem, the usual The method is to set an analog switch on the USB flash drive of the mobile phone with the USB Type-C interface to control the work of selecting the USB Type-C interface or the standard USB interface, that is, when the user uses the USB Type-C interface, through the analog The switch control makes the line between the USB Type-C interface and the main control module electrically connected and the line between the standard USB interface and the main control module is disconnected, otherwise, the line between the USB Type-C interface and the main control module is disconnected. Open and the line between the standard USB interface and the main control module is electrically connected. Although this can solve the problem of antenna interference effect in the mobile phone U disk with USB Type-C interface, it will undoubtedly increase the cost.

Utility model content

The purpose of the utility model is to provide a mobile phone U disk, aiming to propose a new solution to the problems of antenna interference and high cost in the structural design of the existing mobile phone U disk with a USB Type-C interface.

A kind of mobile phone U disk provided by the utility model comprises a housing, a main control module, a flash memory module electrically connected with the main control module, and a first USB type-C interface electrically connected with the main control module. The main control module, the flash memory module and the first USB type-C interface are all located in the housing, and it is characterized in that it also includes an adapter with a second USB type-C interface and a standard USB interface, so The second USB type-C interface is pluggably connected to the first USB type-C interface.

Optionally, the first USB type-C is a male port, and the second USB type-C is a female port; or, the first USB type-C is a female port, and the second USB type-C is a female port. For the public.

Optionally, the second USB type-C interface has a first GND ground pin, a first VBUS power line pin, RXP1 data receiving positive signal pin, RXN1 data receiving negative signal pin, TXP1 data sending positive signal pin pin, ATXN1 data sending negative signal pin, DP1 data positive signal pin, DN1 data negative signal pin, the standard USB interface 220 has a second GND grounding pin, a second VBUS power line pin, SSRX+ data receiving Positive signal pin, SSRX- data receiving negative signal pin, SSTX+ data transmitting positive signal pin, SSTX- data transmitting negative signal pin, D+ data positive signal pin, D- data negative signal pin, the first The GND grounding pin is electrically connected to the second GND grounding pin, the first VBUS power line pin is electrically connected to the second VBUS power line pin, and the RXP1 data receiving positive signal pin is connected to the The SSRX+ data receiving positive signal pin is electrically connected, the RXN1 data receiving negative signal pin is electrically connected to the SSRX- data receiving negative signal pin, the TXP1 data sending positive signal pin is connected to the SSTX+ data sending positive signal pin The pins are electrically connected, the ATXN1 data sending negative signal pin is electrically connected to the SSTX- data sending negative signal pin, the DP1 data positive signal pin is electrically connected to the D+ data positive signal pin, the The DN1 data negative signal pin is electrically connected to the D- data negative signal pin.

Optionally, the standard USB interface is a USB2.0 interface, a USB3.0 interface, a micro USB interface, a miniUSB interface or a lighting interface.

Optionally, the housing is made of metal or plastic.

Optionally, the adapter is made of metal or plastic.

The utility model is provided with an adapter with a second USB type-C interface and a standard USB interface, and the adapter makes the existing mobile phone U disk with a USB type-C interface structurally separate and design two groups of circuits, The connection line between the main control module in the mobile phone’s U disk and the USB type-C interface, and the connection line between the main control module in the mobile phone’s U disk and the standard USB interface are designed separately. On the one hand, it flexibly solves the existing The U disk of mobile phone with USB type-C interface generally has the problem of antenna interference. Avoiding the antenna interference problem undoubtedly reduces the production cost of the mobile phone U disk.

Description of drawings

Fig. 1 is the overall frame diagram of mobile phone U disk in the utility model preferred embodiment;

Fig. 2 is a schematic diagram of the connection between the first USB type-C interface and the second USB type-C interface in a preferred embodiment of the present invention;

100-shell; 110-main control module; 120-first USB type-C interface;

130-flash memory module; 200-adapter; 210-second USB type-C interface;

220-Standard USB interface.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should also be noted that the orientation terms such as left, right, up, and down in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiting.

Referring to Fig. 1, a kind of mobile phone U disk provided by the utility model includes a housing 100, a main control module 110, a flash memory module 130 electrically connected to the main control module, and a first flash memory module electrically connected to the main control module. USB type-C interface 120, the main control module 110, the flash memory module 130 and the first USB type-C interface 120 are all set in the housing 100, in this embodiment, the mobile phone U disk is also It includes an adapter 200 with a second USB type-C interface 210 and a standard USB interface 220, and the second USB type-C interface 220 is pluggably connected to the first USB type-C interface 120.

In this embodiment, since the second USB type-C interface 220 of the adapter is connected to the first USB type-C interface 120 by plugging and unplugging, the two can be connected and disconnected conveniently. When the C interface 220 and the first USB type-C interface 120 are plugged in, the standard USB interface communicates with the main control module through the second USB type-C interface 220 and the first USB type-C interface 120 , the standard USB interface can work; when the second USB type-C interface 220 is disconnected from the first USB type-C interface 120, the first USB type-C interface 120 can work; The connection line between the main control module and the USB type-C interface, and the connection line between the main control module in the mobile phone’s U disk and the standard USB interface are designed separately. On the one hand, it flexibly solves the existing problems with USB Type-C mobile phone U disks generally have the problem of antenna interference. On the other hand, there is no need to set up special devices (such as switch buttons) to choose one of the USB type-C interface or standard USB interface of the mobile phone U disk to avoid antenna interference. The interference problem reduces the production cost of the mobile phone U disk.

Further, in this embodiment, the first USB type-C interface 120 is a male port, and the second USB type-C interface 210 is a female port, that is, the first USB type-C interface 120 is a plug Connecting end, the second USB type-C interface 210 is the plugged end, through the first USB type-C interface 120 and the second USB type-C interface 210 plugged, so that the housing 100 An electrical connection can be established with the adapter 200. Of course, the first USB type-C interface 120 can also be a female port, and the second USB type-C interface 210 can be a male port, as long as the first USB type-C interface is satisfied. One of the type-C interface 120 and the second USB type-C interface 210 is a male port, and the other is a female port, which is not limited here.

In addition to the second USB type-C interface 210 electrically connected to the first USB type-C interface 120, the adapter 200 is also at the opposite end of the second USB type-C interface 210. A standard USB interface 220 electrically connected to the second USB type-C interface 210 is also provided, so that the standard USB interface 220 can also establish a simple electrical connection with the main control module 110 in the U disk of the mobile phone. connection (that is, the standard USB interface 220 is electrically connected to the second USB type-C interface 210, and the second USB type-C interface 220 can be electrically connected to the first USB type-C interface 120, and The first USB type-C interface 120 is electrically connected to the main control module 110), so that the U disk of the mobile phone can access other USB type-C interfaces through the first USB type-C interface 120 on the one hand. Electronic devices perform data interaction, and on the other hand, other electronic devices with standard USB interfaces can be connected through the standard USB interface 220 on the adapter 200 for data interaction.

Further, the standard USB interface 220 may be a USB2.0 interface, a USB3.0 interface, a microUSB interface, a miniUSB interface or a lighting interface.

Further, the electrical connection between the standard USB interface 220 and the second USB type-C interface 210 is through their respective corresponding pins. In this embodiment, the standard USB interface 220 uses USB3. 0 interface is the preferred solution, referring to Figure 2, the second USB type-C interface 210 has a first GND ground pin, a first VBUS power line pin, RXP1 data receiving positive signal pin, RXN1 data receiving negative signal pin Pin, TXP1 data transmission positive signal pin, ATXN1 data transmission negative signal pin, DP1 data positive signal pin, DN1 data negative signal pin, the standard USB interface 220 has a second GND ground pin, a second VBUS power supply Line pin, SSRX+ data receiving positive signal pin, SSRX- data receiving negative signal pin, SSTX+ data transmitting positive signal pin, SSTX- data transmitting negative signal pin, D+ data positive signal pin, D- data negative signal pin pin, the first GND ground pin is electrically connected to the second GND ground pin, the first VBUS power line pin is electrically connected to the second VBUS power line pin, and the RXP1 data receiving The positive signal pin is electrically connected to the SSRX+ data receiving positive signal pin, the RXN1 data receiving negative signal pin is electrically connected to the SSRX- data receiving negative signal pin, and the TXP1 data sending positive signal pin is electrically connected to The SSTX+ data sending positive signal pin is electrically connected, the ATXN1 data sending negative signal pin is electrically connected to the SSTX- data sending negative signal pin, and the DP1 data positive signal pin is connected to the D+ data positive signal The pins are electrically connected, and the DN1 data negative signal pin is electrically connected to the D- data negative signal pin.

In this embodiment, the housing 100 and the adapter 200 can be made of metal or plastic.

In summary, the utility model provides a mobile phone USB flash drive, which is mainly aimed at the problems of common antenna interference and high cost in the structural design of mobile phone USB flash drives with USB type-C interfaces in the prior art. Improvement, in order to solve the problem of antenna interference, the connection line between the main control module of the mobile phone U disk with the USB type-C interface in the prior art and the USB type-C interface, and the main control module through the adapter 200 The connection line separation design between the control module and the standard USB interface is to separate the connection line between the standard USB interface 220 and the main control module 110 separately. It is also because of this solution that the U disk of the mobile phone does not need to be set again. Special switch controls will undoubtedly reduce production costs.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (6)

1. a mobile phone USB flash disk, the USB type-C interface comprising housing, main control module, the flash memory module be electrically connected with described main control module and be electrically connected with described main control module, described main control module, described flash memory module and a described USB type-C interface are all located in described housing, it is characterized in that, also comprise the adapter with the 2nd USB type-C interface and standard USB interface, described 2nd USB type-C interface plugs with a described USB type-C interface and is connected.

2. mobile phone USB flash disk as claimed in claim 1, it is characterized in that, a described USB type-C is public mouth, and described 2nd USB type-C is female mouth; Or a described USB type-C is female mouth, described 2nd USB type-C is public mouth.

3. mobile phone USB flash disk as claimed in claim 1 or 2, it is characterized in that, described 2nd USB type-C interface has a GND grounding pin, one VBUS power line pin, RXP1 data receiver positive signal pin, RXN1 data receiver negative signal pin, TXP1 data send positive signal pin, ATXN1 data send negative signal pin, DP1 data positive signal pin, DN1 data minus signal pins, described standard USB interface 220 has the 2nd GND grounding pin, 2nd VBUS power line pin, SSRX+ data receiver positive signal pin, SSRX-data receiver negative signal pin, SSTX+ data send positive signal pin, SSTX-data send negative signal pin, D+ data positive signal pin, D-data minus signal pins, a described GND grounding pin is electrically connected with described 2nd GND grounding pin, a described VBUS power line pin is electrically connected with described 2nd VBUS power line pin, described RXP1 data receiver positive signal pin is electrically connected with described SSRX+ data receiver positive signal pin, described RXN1 data receiver negative signal pin is electrically connected with described SSRX-data receiver negative signal pin, described TXP1 data transmission positive signal pin sends positive signal pin with described SSTX+ data and is electrically connected, described ATXN1 data transmission negative signal pin sends negative signal pin with described SSTX-data and is electrically connected, described DP1 data positive signal pin is electrically connected with described D+ data positive signal pin, described DN1 data minus signal pins is electrically connected with described D-data minus signal pins.

4. mobile phone USB flash disk as claimed in claim 1, it is characterized in that, described standard USB interface is USB2.0 interface, USB3.0 interface, micro USB interface, miniUSB interface or lighting interface.

5. mobile phone USB flash disk as claimed in claim 1, it is characterized in that, the material of described housing is metal or plastic cement.

6. mobile phone USB flash disk as claimed in claim 1, it is characterized in that, the material of described adapter is metal or plastic cement.