CN210838989U

CN210838989U - Portable power source with storage function

Info

Publication number: CN210838989U
Application number: CN201921843722.8U
Authority: CN
Inventors: 莫少坚; 吴言朗; 李培华; 刘珊红
Original assignee: Shenzhen Letachi Electronics Co ltd
Current assignee: Shenzhen Letachi Electronics Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-23
Anticipated expiration: 2029-10-28

Abstract

A mobile power supply with a storage function comprises a bottom shell, a rechargeable battery and a PCBA board which are arranged in the bottom shell, and a cover plate which is covered on the bottom shell; the PCBA board is provided with an MCU, a battery electric quantity detection circuit, a card reader, a conductive elastic sheet, a charging interface, a charging protection circuit, a voltage regulation circuit and a USB output interface, the MCU is respectively and electrically connected with the charging protection circuit, the voltage regulation circuit, the battery electric quantity detection circuit and the card reader, and an SD card is inserted into the card reader; compared with the prior art, the beneficial effects of the utility model reside in that: the SD card can be inserted through the card reader and can be replaced at any time; the USB interface is connected with external equipment, the functions of charging and data transmission are realized simultaneously, a new rechargeable battery can be replaced, and the conductive elastic sheet prevents loosening and poor contact; convenient carrying and use and strong cruising ability.

Description

Portable power source with storage function

[ technical field ] A method for producing a semiconductor device

The utility model relates to a portable power source technical field, specificly relate to a portable power source of area memory function.

[ background of the invention ]

The portable charger is a portable charger which can be carried by a person, can store electric energy, is mainly used for charging consumer electronic products (such as a wireless phone and a notebook computer) such as handheld mobile equipment, and is particularly applied to occasions without external Power supply. The main components of the device comprise: batteries for storing electric energy, circuits for stabilizing output voltage (dc-dc converters), and most mobile power supplies have chargers for charging built-in batteries.

However, the existing mobile power supply mainly has the following disadvantages: the built-in battery cannot be replaced, the battery can be used continuously only after being fully charged after being used up, but during outgoing activities, the electric quantity of the charge pal is limited, the charge pal cannot continue to run for equipment such as a mobile phone and the like, and the charge pal is inconvenient to carry; the mobile power supply lacks a storage function, and the stored data can not be carried about generally when a USB flash disk is needed, so that inconvenience is caused.

In view of the above, it is desirable to provide a mobile power supply with a storage function to overcome the deficiencies of the prior art.

[ Utility model ] content

The utility model aims at providing a portable power source with storage function, through which the SD card can be inserted and replaced at any time; the USB interface is connected with external equipment, the functions of charging and data transmission are realized simultaneously, a new rechargeable battery can be replaced, and the conductive elastic sheet prevents loosening and poor contact; convenient carrying and use and strong cruising ability.

In order to achieve the above object, the utility model provides a portable power source with storage function, which comprises a bottom shell, a rechargeable battery and a PCBA board arranged in the bottom shell, and a cover plate covering the bottom shell;

the PCB is characterized in that the PCBA is provided with an MCU, a battery electric quantity detection circuit, a card reader, a conductive elastic sheet, a charging interface, a charging protection circuit, a voltage regulation circuit and a USB output interface, the MCU is respectively electrically connected with the charging protection circuit, the voltage regulation circuit, the battery electric quantity detection circuit and the card reader, an SD card is inserted into the card reader, the battery electric quantity detection circuit is electrically connected with the conductive elastic sheet, the charging interface is electrically connected with the charging protection circuit, the USB output interface is electrically connected with the voltage regulation circuit, the charging battery is clamped in the bottom shell and is electrically connected with the conductive elastic sheet, and the cover plate is detachably connected with the bottom shell.

In a preferred embodiment, the charging interface is one of a Micro USB interface, a USB Type C interface, and a Lightning interface.

In a preferred embodiment, a plurality of LED indicating lamps are further arranged on the PCBA board and electrically connected with the MCU.

In a preferred embodiment, the bottom shell is further provided with an avoiding hole for conveniently inserting the SD card, and the upper cover of the avoiding hole is provided with a dust cover.

In a preferred embodiment, the rechargeable battery is a lithium battery.

Compared with the prior art, the utility model provides a pair of portable power source of area memory function's beneficial effect lies in: the SD card can be inserted through the card reader and can be replaced at any time; the USB interface is connected with external equipment, the functions of charging and data transmission are realized simultaneously, a new rechargeable battery can be replaced, and the conductive elastic sheet prevents loosening and poor contact; convenient carrying and use and strong cruising ability.

[ description of the drawings ]

Fig. 1 is a perspective view of the portable power source with a storage function provided by the present invention.

FIG. 2 is an exploded view of the portable power source with storage function shown in FIG. 1

FIG. 3 is a schematic diagram of an electronic module of the portable power source with a storage function shown in FIG. 1

[ detailed description ] embodiments

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 3, the present invention provides a mobile power supply 100 with a storage function.

In the embodiment of the present invention, the portable power source 100 with storage function includes a bottom case 10, a rechargeable battery 20 and a PCBA board 30 which are disposed in the bottom case 10, and a cover plate 40 disposed on the bottom case 10.

Specifically, the PCBA board 30 is provided with a MCU31, a battery power detection circuit 32, a card reader 33, a conductive elastic sheet 34, a charging interface 35, a charging protection circuit 36, a voltage regulation circuit 37, and a USB output interface 38, the MCU31 is electrically connected to the charging protection circuit 36, the voltage regulation circuit 37, the battery power detection circuit 32, and the card reader 33, respectively, an SD card 331 is inserted into the card reader 33, the battery power detection circuit 32 is electrically connected to the conductive elastic sheet 34, the charging interface 35 is electrically connected to the charging protection circuit 36, the USB output interface 38 is electrically connected to the voltage regulation circuit 37, the rechargeable battery 20 is clamped in the bottom case 10 and electrically connected to the conductive elastic sheet 34, and the cover plate 40 is detachably connected to the bottom case 10.

It can be understood that an external power source can be connected through the charging interface 35 to charge the rechargeable battery 20, the SD card 331 can be inserted through the card reader 33, the SD card 331 can be replaced at any time, the USB output interface 38 is connected with an external device, the charging and data transmission functions can be simultaneously realized, when the electric quantity is insufficient, the cover plate 40 is opened, the rechargeable battery 20 can be taken down and replaced with a new rechargeable battery 20, and the conductive elastic sheet 34 is used for being electrically connected with the rechargeable battery 20 conveniently, so as to prevent loosening and poor contact. Convenient carrying and use and strong cruising ability.

Further, the charging interface 35 is one of a Micro USB interface, a USB Type C interface, and a Lightning interface.

Further, a plurality of LED indicator lamps 39 are further arranged on the PCBA board 30, and the LED indicator lamps 39 are electrically connected with the MCU 31. The battery power detection circuit 32 can detect the power of the rechargeable battery 20, and the LED indicators 39 can display the power.

Further, the bottom case 10 is further provided with an avoiding hole 11 for conveniently inserting the SD card 331, and the avoiding hole 11 is covered with a dust cover 12. Foreign matters are prevented from entering through the dust cover 12, and the probability of damage to the SD card 331 is avoided.

Further, the rechargeable battery 20 is a lithium battery.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a portable power source of area memory function which characterized in that: the battery pack comprises a bottom shell, a rechargeable battery and a PCBA plate which are arranged in the bottom shell, and a cover plate which is covered on the bottom shell;

2. The portable power supply with a storage function according to claim 1, wherein: the charging interface is one of a MicroUSB interface, a USB Type C interface and a Lightning interface.

3. The portable power supply with a storage function according to claim 1, wherein: still be equipped with a plurality of LED pilot lamps on the PCBA board, the LED pilot lamp with the MCU electricity is connected.

4. The portable power supply with a storage function according to claim 1, wherein: the bottom shell is further provided with a avoiding hole for conveniently inserting the SD card, and a dustproof cover is arranged on the upper cover of the avoiding hole.

5. The portable power supply with a storage function according to claim 1, wherein: the rechargeable battery is a lithium battery.