CN200953247Y - U disk battery - Google Patents

Abstract

The utility model provides a battery for USB driver. When an input interface is inserted into the USB socket of host computer, a storage module can realize data exchange with the host computer through input interface, while another charge circuit can charge for a rechargeable battery through the power resource provided by USB interface. After that, the other output interface will be inserted into the corresponding USB notch of a mobile electronic product, thus can supply power and exchange data at the same time for the product. Thus, the battery for USB driver provided by the utility model has advantages of small volume, easy taking, integrating data storage and battery functions, with versatility and good industry production.

Description

A USB flash drive battery

technical field

The utility model relates to a portable storage device, in particular to a U disk.

Background technique

With the advancement of electronic technology, various electronic products not only have more and more functions, but also their appearance is becoming more and more exquisite and compact, which can bring users great convenience in use and carrying, such as mobile hard disk, U Disk, Mp3 and other portable devices, when in use, only need to be inserted into the USB slot on the host computer, such as PC, NoteBook and PDA, etc., to provide functions such as card reading and data storage.

Among them, take the U-disk as an example, which is also called USB flash drive, USB disk or flash drive. It is a portable memory that uses FLASH memory to store information. Convenience functions such as transfer and portability have been widely used all over the world. Therefore, if other functions are added on the U disk, the practicability and universality of the U disk can be further improved.

In addition, various digital products and electronic communication products are widely used at present. Generally, these mobile electronic products are equipped with their own batteries and storage devices. When a user carries multiple mobile electronic products at the same time, he also needs to wear Corresponding various batteries and storage devices, in this way, have both increased the load of the user, and are prone to accidental loss.

Contents of the invention

In view of the above problems, the main purpose of this utility model is to provide a USB flash drive battery, which can also be used to supply power to various devices with corresponding USB slots after being charged while providing functions such as data storage and transfer. Mobile electronic products (such as PDA, digital camera, etc.), to achieve a multi-purpose.

In order to achieve the above object, the utility model provides a kind of U disk battery, which mainly includes: an input interface, with power supply pins and data pins, which can be inserted into a USB slot of a host device; a control module , used to control power distribution and data transmission; a storage module, when the aforementioned input interface is plugged into the host device, it is regulated by the control module, powered by its power pins and data exchanged through the data pins to Realize a specific command of the host device; a charging module, at least including a rechargeable battery and a charging circuit, wherein when the input interface is plugged into the host device, the charging circuit receives the power provided by the power pin, through After the control module is distributed, it supplies power to the rechargeable battery; an output interface, which also has power pins and data pins, is used to be inserted into a USB slot of a mobile electronic product, and the mobile electronic product can be connected through its power interface. Pin power supply, and provide another specific command for data exchange through this data pin.

In this way, the U disk battery provided by the utility model is small in size and easy to carry. It can be plugged into the host device to provide data access and other functions, and at the same time, it can charge itself, so it does not need to be added. The charging plug can also supply power to other various electronic devices with corresponding USB slots after being charged, and the function of data exchange with it can not be affected. In this way, one plate can be used for multiple purposes, and has better industrial applicability.

Description of drawings

Fig. 1 is the schematic block diagram of the preferred embodiment of a kind of U disk battery provided by the utility model;

The charging flowchart of the preferred embodiment of a kind of U disk battery that Fig. 2 provides for the utility model;

Fig. 3 is a power supply flow diagram of a preferred embodiment of a U disk battery provided by the present invention.

Detailed ways

FIG. 1 is a schematic block diagram of a preferred embodiment of a USB flash drive battery provided by the present invention. The parts or modules of the U disk battery are connected by several lines, which mainly include: an input interface 100 with power pins 101 and data pins 102, which can be plugged into a USB slot of a host device; A control module 200, connected to the output end of the input interface 100, in order to control the distribution of power and the transmission of data; a storage module 300, connected to the output end of the control module 200, in this embodiment it at least includes a FLASH memory 301 a charging module 400, which is connected in parallel with the storage module 300 on the power line of the output end of the control module 200, which at least includes a rechargeable battery 402 and a charging circuit 401; an output interface 500, which is connected to the charging module 400 and the charging circuit respectively The output end of the storage module 300 is used to be inserted into a USB slot of a mobile electronic product, and also has a power pin 501 and a data pin 502, and the mobile electronic product can supply power through its power pin and provide another A specific command is used to exchange data through the data pin.

In detail, the input interface 100 can be plugged into a USB slot provided on a host device, through the power provided by the host device on the power pin 101 of the USB interface, through the regulation of the control module 200 , to provide the power required to operate the storage module 300, and to perform data access to the FLASH memory 301 of the storage module 300 through the data pin 102 on the input interface 100, so as to provide the data storage function of a general U disk.

The charging circuit 401 receives the power distributed by its control module 200 to supply power to the rechargeable battery 402. According to the USB1.* and 2.0 protocols, the power pin 101 on the input interface 100 can provide a rated current of 500mA The operating current required by the storage module 300 is generally lower than 100mA. Therefore, in addition to supplying the current required by the storage module 300, the power provided by the power supply pin 101 is sufficient to supply the rechargeable battery. 402 and will not affect operations such as data reading and writing of the storage module 300.

The output interface 500 can be plugged into a USB slot of a mobile electronic product, through its power supply pin 501, the charged rechargeable battery 402 can be used to supply power to the mobile electronic product, and its The data pin 502 is used to exchange data with the mobile electronic product. Therefore, as long as any mobile electronic product has a slot that matches the output interface 500 model, the U disk battery provided by the utility model can be used to carry out data exchange. Provides power and storage, eliminating the need to carry multiple batteries and storage devices.

Please refer to FIG. 2 again, which is a charging flow diagram of a preferred embodiment of a USB flash drive battery provided by the present invention. First insert the input interface of the U disk battery into the USB slot provided by the host device 600, the host device immediately provides a power supply to support the normal operation of the interface 601, and then regulate the power supply through a control module 602 , a part of which is used to supply the storage module for data access and other processing 604 , while the other part supplies power to the charging circuit to charge its rechargeable battery 603 .

As shown in Fig. 3 again, it is a power supply flow diagram of a preferred embodiment of a U disk battery provided by the present invention. After the above-mentioned U disk battery is charged, the output interface is inserted into the USB slot 700 of a mobile electronic product (such as PDA, digital camera, etc.), and its rechargeable battery promptly supplies power to the mobile electronic product through the output interface 701, and When the mobile electronic product system makes a request, it can perform data access and other processing 702 with the storage module.

The above descriptions are illustrative only, not restrictive. Any equivalent modifications or changes made without departing from the spirit and scope of the present utility model shall be included in the appended claims.

Claims (4)

1. A USB flash drive battery, characterized in that it mainly comprises: An input interface has power pins and data pins, which can be plugged into a USB slot of a host device; A control module, connected to the output end of the input interface; A storage module, connected to the output end of the above-mentioned control module, when the above-mentioned input interface is plugged into the host device, it is regulated by the control module, powered by the above-mentioned power supply pin, and performs data exchange through the data pin to realize a specific command of the host device; A charging module, connected in parallel with the storage module on the power line of the output end of the control module, which at least includes a rechargeable battery and a charging circuit, wherein when the input interface is inserted into the host device, the charging circuit is connected to The power provided by the aforementioned power supply pin supplies power to the rechargeable battery; An output interface is respectively connected to the output ends of the charging module and the storage module, and it also has power pins and data pins, which can be plugged into a USB slot on a mobile electronic product. 2. The USB flash drive battery according to claim 1, wherein the power supply pin can be a +5V pin. 3. The USB flash drive battery according to claim 1, wherein the storage module at least includes a FLASH memory. 4. The USB flash drive battery according to claim 1, wherein the mobile electronic product can be an electronic device such as a digital camera, a PDA or a mobile phone.

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