CN210627187U - Multifunctional storage device - Google Patents
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- CN210627187U CN210627187U CN201921714338.8U CN201921714338U CN210627187U CN 210627187 U CN210627187 U CN 210627187U CN 201921714338 U CN201921714338 U CN 201921714338U CN 210627187 U CN210627187 U CN 210627187U
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Abstract
The utility model provides a multifunctional storage device relates to data storage technical field. The multifunctional storage device comprises a first interface, a second interface, a quick charging module, a storage module and a hub, wherein the first interface is electrically connected with the second interface through the hub and the quick charging module; the first interface is used for receiving a first voltage provided by the power supply device; the quick charging module is used for receiving and processing the first voltage through the concentrator and transmitting the processed first voltage to the second interface; the memory module is used for transmitting the pre-stored data to the second interface through the hub; the second interface is used for transmitting the processed first voltage and the pre-stored data to the mobile device, so that the mobile device can charge and receive the pre-stored data at the same time. This multi-functional storage device can charge the download data of prestoring to the mobile device limit, and then improves user experience.
Description
Technical Field
The utility model relates to a data storage technical field particularly, relates to a multifunctional storage device.
Background
Because the memory of various mobile electronic devices such as the existing smart phone and tablet personal computer is limited, the mobile storage device is generally required to expand the capacity of the mobile electronic device so as to meet the capacity requirement of the mobile electronic device. However, when the mobile electronic device downloads data from the mobile storage device or plays the audio and video downloaded from the mobile storage device on line, a large amount of electric power of the mobile electronic device is consumed, and the mobile electronic device interrupts the data downloading from the mobile storage device or plays the audio and video downloaded from the mobile storage device on line, charges the mobile electronic device, and continues to download data from the mobile storage device or play the audio and video downloaded from the mobile storage device on line after the charging is completed. The problems of poor user experience and unsmooth data downloading of the mobile electronic equipment exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multifunctional storage device can charge on one side to the mobile device, prestores the download of data on one side, and then improves user experience.
The utility model provides a technical scheme:
in a first aspect, an embodiment of the present invention provides a multifunctional storage device, including a first interface, a second interface, a fast charging module, a storage module, and a hub, where the first interface is electrically connected to the second interface through the hub and the fast charging module, the second interface is electrically connected to the storage module through the hub, the first interface is used for electrically connecting to a power supply device, and the second interface is used for electrically connecting to a mobile device;
the first interface is used for receiving a first voltage provided by the power supply device and transmitting the first voltage to the quick charging module through the concentrator;
the quick charging module is used for processing the first voltage and transmitting the processed first voltage to the second interface;
the memory module is used for transmitting pre-stored data to the second interface through the hub;
the second interface is used for transmitting the processed first voltage and the pre-stored data to the mobile device, so that the mobile device can perform charging and receiving of the pre-stored data at the same time.
In an optional embodiment, the fast charging module includes a fast charging unit and an overvoltage protection unit, and the hub, the fast charging unit, the overvoltage protection unit and the second interface are electrically connected in sequence;
and the quick charging unit is used for processing the first voltage and transmitting the processed first voltage to the second interface through the overvoltage protection unit.
In an optional embodiment, the storage module includes a protocol conversion chip, a control chip and a storage unit, and the hub, the protocol conversion chip, the control chip and the storage unit are electrically connected in sequence;
the storage unit is used for transmitting the pre-stored data to the protocol conversion chip through the control chip;
the protocol conversion chip is used for carrying out protocol conversion on the pre-stored data and transmitting the converted pre-stored data to the second interface through the concentrator.
In an alternative embodiment, the memory unit includes a plurality of flash memories and DDR memory chips.
In an optional embodiment, the multifunctional storage device further includes a power management unit, and the power management unit is electrically connected to the hub, the storage module, and the fast charging module;
the power management unit receives the first voltage through the concentrator, converts the first voltage into a third voltage, and transmits the third voltage to the storage module and the quick charging module.
In an alternative embodiment, the multi-functional storage device further comprises a first indicator light electrically connected to the storage module;
the first indicator light is used for sending out a working state indicating signal under the control of the storage module.
In an optional embodiment, the multifunctional storage device further comprises a second indicator light, and the second indicator light is electrically connected with the fast charging module;
the second indicator light is used for sending a charging indicator signal when the quick charging module receives the first voltage.
In an alternative embodiment, the first interface, the second interface, the fast charging module, the storage module and the hub are integrated on a PCB.
In an alternative embodiment, the multi-function storage device further comprises a housing, and the first interface and the second interface are both mounted on an interface surface of the housing.
In an alternative embodiment, the housing includes a first housing and a second housing, the PCB board is disposed in the first housing, and the second housing covers the first housing to form the housing.
The utility model provides a multi-functional storage device's beneficial effect is: receiving a first voltage provided by a power supply device through a first interface, and transmitting the first voltage to a quick charging module through a concentrator; the quick charging module processes the first voltage and transmits the processed first voltage to the second interface; the memory module is used for transmitting the pre-stored data to the second interface through the hub; and the second interface transmits the processed first voltage and the pre-stored data to the mobile device, so that the mobile device can simultaneously perform charging and receiving of the pre-stored data. It is thus clear that can charge and prestore the transmission of data simultaneously to the mobile device through multi-functional storage device for the mobile device can not be because of the electric quantity is not enough, and the interrupt is to the receipt of prestoring data, and it is better to let user experience, and the transmission of prestoring data is more smooth and easy.
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 block diagram illustrating a multi-functional storage device according to an embodiment of the present invention;
fig. 2 is a block diagram of another multifunctional storage device according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a protocol conversion chip of the multifunctional storage device according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a control chip of a multifunctional storage device according to an embodiment of the present invention;
fig. 5 is a block diagram illustrating a structure of another multifunctional storage device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a multifunctional storage device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another multifunctional storage device according to an embodiment of the present invention.
Icon: 1-a multifunctional storage device; 10-a first interface; 20-a second interface; 30-a quick charging module; 31-a quick charging unit; 32-an overvoltage protection unit; 40-a storage module; 41-protocol conversion chip; 42-a control chip; 43-a storage unit; 431-flash memory; 432-DDR memory chips; 50-a hub; 60-a power management unit; 70-a first indicator light; 80-a second indicator light; 90-a housing; 91-a first housing; 92-a second housing; 93-lamp position; 94-interface surface; 100-a PCB board; 2-a power supply device; 3-mobile equipment.
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 components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and for simplicity of description, and do not indicate or imply that the equipment or components that are referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, a block diagram of an implementable structure of a multi-functional memory device 1 provided in this embodiment is shown, where the multi-functional memory device 1 includes a first interface 10, a second interface 20, a fast charging module 30, a memory module 40, and a hub 50, the first interface 10 is electrically connected to the second interface 20 through the hub 50 and the fast charging module 30, the second interface 20 is electrically connected to the memory module 40 through the hub 50, the first interface 10 is used to be electrically connected to a power supply device 2, and the second interface 20 is used to be electrically connected to a mobile device 3.
It is understood that the multi-function storage apparatus 1 may be a mobile hard disk cartridge, and the multi-function storage apparatus 1 is added with a charging function as compared with a general mobile hard disk cartridge. The mobile device 3 can be charged at the same time as the pre-stored data is transmitted to the mobile device 3. The mobile device 3 is prevented from interrupting the receiving of the pre-stored data due to insufficient electric quantity, so that the user experience is better, and the transmission of the pre-stored data is smoother. The mobile device 3 may be a mobile phone, a tablet computer, etc. The power supply device 2 may be a power adapter or a mobile power pack.
In this embodiment, the first interface 10 is configured to receive a first voltage provided by the power supply device 2, and transmit the first voltage to the fast charging module 30 through the hub 50; the fast charging module 30 is configured to process the first voltage and transmit the processed first voltage to the second interface 20; the memory module 40 is used for transmitting the pre-stored data to the second interface 20 through the hub 50; the second interface 20 is configured to transmit the processed first voltage and the pre-stored data to the mobile device 3, so that the mobile device 3 performs charging and receiving of the pre-stored data simultaneously.
In the present embodiment, the hub 50 may be understood as a general port, and a chip with a model RTS5412E may be used. The hub 50 is configured to transmit the first voltage provided by the first interface 10 to the fast charging module 30, and is further configured to transmit the pre-stored data provided by the memory module 40 to the second interface 20. The fast charge module 30 and the memory module 40 are connected in parallel to the hub 50 so that the first voltage and the pre-stored data do not interfere with each other. First interface 10 and second interface 20 all can adopt the USBType-C interface to realize the function that charges and the large capacity mobile storage combined together, and adopt the Type-C interface to have and support positive and negative the inserting, support USB3.1, small and exquisite, support advantage such as quick USB Power Delivery (PD) agreement of filling.
Referring to fig. 2, which is another implementable structural block diagram of the multifunctional memory device 1 provided in the present embodiment, the fast charging module 30 includes a fast charging unit 31 and an overvoltage protection unit 32, and the hub 50, the fast charging unit 31, the overvoltage protection unit 32, and the second interface 20 are electrically connected in sequence. The fast charging unit 31 is configured to process the first voltage, and transmit the processed first voltage to the second interface 20 through the overvoltage protection unit 32.
It can be understood that the quick charging unit 31 may adopt a USB Power Delivery quick charging technology, and if the first interface 10 and the second interface 20 adopt a USB3.1type-C interface, the quick charging module 30 performs the charging protocol communication of the USB PD2.0/3.0 quick charging by multiplexing the CC signal pin of the first interface 10. The USB PD is a quick charging protocol, the Type-C is a new interface specification, the Type-C interface supports 5V/3A at maximum by default, but after the USB PD protocol is realized, the output power can be supported to 20V/5A at maximum, and the total power is 100W. Therefore, when the first voltage is greater than the working voltage of the mobile device 3, the fast charging unit 31 can perform voltage reduction and fast charging processing on the first voltage, and transmit the processed first voltage to the overvoltage protection unit 32; the overvoltage protection unit 32 can filter noise waves of the processed first voltage, and can perform overvoltage protection operation when the processed first voltage is overvoltage; the overvoltage protection unit 32 transmits the first voltage after the filtering processing and the voltage normal processing to the mobile device 3 through the second interface 20, so as to realize the fast and stable charging of the mobile device 3.
Further, in the present embodiment, the memory module 40 includes a protocol conversion chip 41, a control chip 42 and a memory unit 43, and the hub 50, the protocol conversion chip 41, the control chip 42 and the memory unit 43 are electrically connected in sequence. The storage unit 43 is used for transmitting the pre-stored data to the protocol conversion chip 41 through the control chip 42; the protocol conversion chip 41 is configured to perform protocol conversion on the pre-stored data, and transmit the converted pre-stored data to the second interface 20 through the hub 50.
It is understood that the pre-stored data may be files such as movies, music, and photos, and the mobile device 3 may directly read the pre-stored data in the storage unit 43, so that the user can read the pre-stored data in the storage unit 43 through the display screen of the mobile device 3. Of course, the mobile device 3 may also transmit the data such as its own photo, video and address book to the storage unit 43 through the second interface 20, the hub 50, the protocol conversion chip 41 and the control chip 42 for storage.
The memory unit 43 includes a plurality of flash memories 431 and DDR (Double Data Rate) memory chips.
Fig. 3 is a schematic circuit diagram of an implementation of the protocol conversion chip 41 shown in fig. 2. The protocol conversion chip 41 may be an ASM235CM chip, and the protocol conversion chip 41 is electrically connected to the hub 50 and the control chip 42, respectively. The protocol conversion chip 41 is configured to convert the pre-stored data of the SATA/PCIe protocol into the pre-stored data of the USB protocol, and transmit the pre-stored data of the USB protocol to the mobile device 3 through the hub 50 and the second interface 20. Because the highest transmission rate of the current SATA3 protocol is 6Gbps, the PCIe3.0x2 transmission rate is 8Gbps, the maximum transmission rate of the PCIe3.0x4 can reach 16Gbps, the transmission rates of the SATA3 and the PCIe3.0 are very high, no rate bottleneck exists at the SATA and PCIe protocol ends at all, the maximum rate of the USB3.1 can reach 10Gbps through the protocol conversion chip 41, the transmission of the pre-stored data is fast, and the method is suitable for large-capacity mobile storage. In other words, when the data in the mobile device 3 is transmitted to the storage unit 43 for storage, the data in the mobile device 3 is transmitted to the protocol conversion chip 41 through the second interface 20 and the hub 50, the data in the USB protocol of the mobile device 3 is converted into the data in the SATA/PCIe protocol, and is transmitted to the storage unit 43 through the control chip 42 for storage.
Referring to fig. 4, which is a schematic diagram of an implementable circuit of the control chip 42 shown in fig. 2, the control chip 42 may be a chip with a model SM2258XT-BGA144, and the control chip 42 is electrically connected to the protocol conversion chip 41 and the storage unit 43, respectively. The control chip 42 and the storage unit 43 are connected by a plurality of channel data buses, so that high-speed data transmission is realized.
In this embodiment, the storage unit 43 may adopt 4 flash memories 431, where the 4 flash memories 431 are electrically connected to the control chip 42, respectively, and the 4 flash memories 431 store pre-stored data.
Referring to fig. 5, which is a block diagram of another implementable structure of the multi-functional memory device 1 of the present embodiment, the multi-functional memory device 1 shown in fig. 5 further includes a power management unit 60 on the basis of the multi-functional memory device 1 shown in fig. 1, and the power management unit 60 is electrically connected to the hub 50, the memory module 40, and the fast charging module 30. The power management unit 60 receives the first voltage through the hub 50, converts the first voltage into a third voltage, and transmits the third voltage to the memory module 40 and the fast charging module 30.
It can be understood that the power management unit 60 is electrically connected to the fast charging unit 31, the protocol conversion chip 41, the control chip 42 and the DDR memory chip 432, and the power management unit 60 provides a third voltage required by the operation for the fast charging unit 31, the protocol conversion chip 41, the control chip 42 and the DDR memory chip 432. Since the voltages required for the operation of the fast charging unit 31, the protocol conversion chip 41, the control chip 42, and the DDR memory chip 432 may be different, the third voltage may be a plurality of different voltages, the power management unit 60 includes a plurality of dc-dc converters, and the voltages obtained by each dc-dc converter after conversion according to the first voltage are different, so as to obtain a plurality of different third voltages. Specifically, the first voltage may be 5V, and the third voltage may be one or more of 3.3V, 1.8V, and 1.1V.
Further, in the present embodiment, the multifunctional storage device 1 further includes a first indicator light 70, the first indicator light 70 is electrically connected to the storage module 40, and the first indicator light 70 is configured to send an operation status indicator signal under the control of the storage module 40.
It can be understood that the first indicator light 70 is electrically connected to the control chip 42, and when the control chip 42 receives the pre-stored data transmitted by the storage unit 43 or the data of the mobile device 3 transmitted by the protocol conversion chip 41, the control chip 42 controls the first indicator light 70 to emit a red light prompt message flashing rapidly to indicate that the data transmission is in progress.
Further, in this embodiment, the multifunctional storage device 1 further includes a second indicator light 80, the second indicator light 80 is electrically connected to the fast charging module 30, and the second indicator light 80 is configured to send a charging indication signal when the fast charging module 30 receives the first voltage.
It can be understood that the second indicator light 80 is electrically connected to the fast charging unit 31, and when the fast charging unit 31 transmits the second voltage to the second interface 20, the fast charging unit 31 controls the second indicator light 80 to emit a slowly flashing green or blue light prompt message to indicate that the mobile device 3 is in charge. When the quick charging unit 31 stops transmitting the second voltage to the second interface 20, the quick charging unit 31 controls the second indicator light 80 to emit a normally-on green or blue light prompt message to indicate that the mobile device 3 is fully charged.
Further, in the present embodiment, the multifunctional memory device 1 further includes a clock oscillation unit electrically connected to the control chip 42, and the clock oscillation unit is configured to provide a clock signal to the control chip 42.
In the present embodiment, the first interface 10 may be electrically connected to not only the power supply device 2 but also a personal computer, a tablet computer, or the like. When the first interface 10 is connected to a personal computer or a tablet computer, the pre-stored data in the storage unit 43 can be further transmitted to the personal computer or the tablet computer for storage through the control chip 42, the protocol conversion chip 41, the hub 50 and the first interface 10, wherein the pre-stored data can be the data stored in the storage unit 43 by the mobile device 3. The audio and video data may also be downloaded from the personal computer or the tablet computer through the first interface 10, the hub 50, the protocol conversion chip 41 and the control chip 42 for storage, and the audio and video data downloaded from the personal computer or the tablet computer may be transmitted to the mobile device 3 through the second interface 20.
Referring to fig. 6, which is a schematic structural diagram of an implementation of the multifunctional storage device 1 provided in this embodiment, the first interface 10, the second interface 20, the fast charging module 30, the storage module 40, and the hub 50 are integrated on a PCB (printed circuit Board) 100. The first header 10 and the second header 20 may be disposed at the same end of the PCB board 100 or may be disposed at different ends of the PCB board 100. The PCB board 100 further carries passive device resistors, capacitors, inductors, and the like, and the passive device resistors, capacitors, and inductors are Mounted on the PCB board 100 by using SMT (Surface mount Technology). The electrical pins of all the components on the PCB 100 are connected by copper foil wires to form a complete system unit.
Referring to fig. 7, which is another implementable structural schematic diagram of the multifunctional storage device 1 provided in this embodiment, the multifunctional storage device 1 further includes a housing 90, and the first interface 10 and the second interface 20 are both mounted on an interface surface 94 of the housing 90. It is understood that the interface surface 94 is a side surface of the housing 90, the PCB board 100 is disposed in the housing 90, and when the first interface 10 and the second interface 20 are disposed at the same end of the PCB board 100, the interface surface 94 is a side surface corresponding to the end of the PCB board 100 where the first interface 10 and the second interface 20 are disposed. When the first and second headers 10 and 20 are disposed at different ends of the PCB 100, the interface surface 94 is a side corresponding to one end of the PCB 100 where the first header 10 is disposed and another side corresponding to the other end of the PCB 100 where the second header 20 is disposed.
Further, in the present embodiment, the outer case 90 includes a first case 91 and a second case 92, the PCB board 100 is disposed in the first case 91, and the second case 92 covers the first case 91 to form the outer case 90. The first housing 91 and the second housing 92 may be covered by a snap or a screw. The housing 90 may be made of metal.
In this embodiment, two lamp positions 93 are further provided on the housing 90, and the first indicator lamp 70 and the second indicator lamp 80 mounted on the PCB board 100 transmit the operation state indication signal and the charging indication signal to the space outside the housing 90 through the two lamp positions 93 of the housing 90.
In the present embodiment, the multifunctional storage device 1 has a simple structure, complete functions, and simple and clear production and assembly, and does not require special skill to install and debug the shape.
To sum up, the embodiment of the present invention provides a multifunctional storage device, which receives a first voltage provided by a power supply device through a first interface and transmits the first voltage to a fast charging module through a hub; the quick charging module processes the first voltage and transmits the processed first voltage to the second interface; the memory module is used for transmitting the pre-stored data to the second interface through the hub; and the second interface transmits the processed first voltage and the pre-stored data to the mobile device, so that the mobile device can simultaneously perform charging and receiving of the pre-stored data. It is thus clear that can charge and prestore the transmission of data simultaneously to the mobile device through multi-functional storage device for the mobile device can not be because of the electric quantity is not enough, and the interrupt is to the receipt of prestoring data, and it is better to let user experience, and the transmission of prestoring data is more smooth and easy.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A multifunctional storage device is characterized by comprising a first interface, a second interface, a quick charging module, a storage module and a hub, wherein the first interface is electrically connected with the second interface through the hub and the quick charging module;
the first interface is used for receiving a first voltage provided by the power supply device and transmitting the first voltage to the quick charging module through the concentrator;
the quick charging module is used for processing the first voltage and transmitting the processed first voltage to the second interface;
the memory module is used for transmitting pre-stored data to the second interface through the hub;
the second interface is used for transmitting the processed first voltage and the pre-stored data to the mobile device, so that the mobile device can perform charging and receiving of the pre-stored data at the same time.
2. The multifunctional storage device according to claim 1, wherein the fast charging module comprises a fast charging unit and an overvoltage protection unit, and the hub, the fast charging unit, the overvoltage protection unit and the second interface are electrically connected in sequence;
and the quick charging unit is used for processing the first voltage and transmitting the processed first voltage to the second interface through the overvoltage protection unit.
3. The multifunctional storage device according to claim 1, wherein the storage module comprises a protocol conversion chip, a control chip and a storage unit, and the hub, the protocol conversion chip, the control chip and the storage unit are electrically connected in sequence;
the storage unit is used for transmitting the pre-stored data to the protocol conversion chip through the control chip;
the protocol conversion chip is used for carrying out protocol conversion on the pre-stored data and transmitting the converted pre-stored data to the second interface through the concentrator.
4. The multi-function memory device of claim 3, wherein the memory unit comprises a plurality of flash memories and DDR memory chips.
5. The multi-functional storage device of claim 1, further comprising a power management unit electrically connected to the hub, the storage module, and the fast charging module;
the power management unit receives the first voltage through the concentrator, converts the first voltage into a third voltage, and transmits the third voltage to the storage module and the quick charging module.
6. The multi-function storage device of claim 1, further comprising a first indicator light, the first indicator light being electrically connected to the memory module;
the first indicator light is used for sending out a working state indicating signal under the control of the storage module.
7. The multi-functional storage device of claim 1, further comprising a second indicator light, the second indicator light being electrically connected to the fast charging module;
the second indicator light is used for sending a charging indicator signal when the quick charging module receives the first voltage.
8. The multi-functional storage device of claim 1, wherein the first interface, the second interface, the fast charge module, the storage module, and the hub are integrated on a PCB board.
9. The multi-function storage device of claim 8, further comprising a housing, wherein the first interface and the second interface are each mounted to an interface surface of the housing.
10. The multi-functional storage device of claim 9, wherein the housing comprises a first housing and a second housing, the PCB board being disposed within the first housing, the second housing being closed over the first housing to form the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714338.8U CN210627187U (en) | 2019-10-14 | 2019-10-14 | Multifunctional storage device |
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| CN201921714338.8U CN210627187U (en) | 2019-10-14 | 2019-10-14 | Multifunctional storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116599195A (en) * | 2023-07-14 | 2023-08-15 | 东莞市奥海科技股份有限公司 | Charging circuit with storage function and charger |
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2019
- 2019-10-14 CN CN201921714338.8U patent/CN210627187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116599195A (en) * | 2023-07-14 | 2023-08-15 | 东莞市奥海科技股份有限公司 | Charging circuit with storage function and charger |
| CN116599195B (en) * | 2023-07-14 | 2023-10-27 | 东莞市奥海科技股份有限公司 | Charging circuit with storage function and charger |
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