CN202026124U - Portable equipment charger - Google Patents

Abstract

The utility model discloses a portable device charger, comprising: a manual power generating device; a manual generator connected to the manual power generating device to generate electricity through manual operation of the manual power generating device; a rectifier circuit electrically connected to the manual generator connected to convert the current generated by the manual generator into direct current; the storage battery is electrically connected to the rectifier circuit to receive the direct current generated by the rectifier circuit for storage; the voltage stabilizing circuit is electrically connected to the storage battery, The output voltage of the storage battery is stabilized at a fixed voltage output. Compared with the prior art, the portable device charger of the present utility model is equipped with a manual power generation device and a manual generator, thereby satisfying users to manually charge without a power source, and at the same time, due to the power of the battery for manual power generation Store electricity, so users can manually generate electricity in normal times, and quickly charge portable devices when they are urgently needed.

Description

Portable Device Charger

【Technical field】

The utility model relates to a charger for portable equipment, in particular to a charger for portable equipment with accumulators.

【Background technique】

As digital products are more and more widely used in people's market life, the charging problem of portable digital devices has also become a research topic.

For portable devices (such as mobile phones and digital cameras), they are usually powered by batteries. Due to the limited capacity of the batteries, the battery may be insufficient to supply power during use. And there is no power source nearby to charge the battery. In order to solve this problem at present, the mode that adopts is to directly charge the battery with the mode of manual charging.

However, when using the above method for charging, since the speed of manual charging is relatively slow, it cannot quickly meet the needs of users in the case of urgent use.

In view of this, it is necessary to develop a portable device charger to solve the above problems.

【Content of invention】

Therefore, the purpose of this utility model is to provide a portable device charger, which can satisfy the user's manual charging when there is no power supply, and can meet the purpose of fast charging when the user is in urgent need of electricity.

In order to achieve the above purpose, the portable device charger provided by the utility model includes:

Manual generators;

A manual generator, connected to the manual power generating device, generates power through the manual operation of the manual generating device;

A rectifier circuit, electrically connected to the manual generator, converts the current generated by the manual generator into direct current;

A storage battery is electrically connected to the rectification circuit, and receives the direct current generated by the rectification circuit to store electricity;

The voltage stabilizing circuit is electrically connected with the storage battery, and stabilizes the output voltage of the storage battery at a fixed voltage output.

Optionally, the manual operation mode of the manual power generating device is manual pressing.

Optionally, the voltage stabilizing circuit is an integrated circuit.

Optionally, the fixed voltage generated by the voltage stabilizing circuit is 5 volts.

Optionally, the storage battery further includes a charging protection circuit electrically connected to the rectification circuit for disconnecting the charging of the storage battery when the storage battery reaches a full voltage.

Optionally, the full-charge voltage is 8.4 volts.

Optionally, the portable device charger further includes a step-down output circuit, the step-down output circuit is electrically connected to the rectification circuit, receives the direct current generated by the rectification circuit, and steps down to a step-down voltage output.

Optionally, the portable device charger also includes a charging slot for a Ni-MH battery, the charging slot for the Ni-MH battery is electrically connected to the step-down output circuit, and is charged by the step-down voltage generated by the step-down output circuit .

Optionally, the step-down voltage is 1.2 volts.

Optionally, the portable device charger also includes a USB (Universal Serial BUS, Universal Serial Bus) interface, and the USB interface is electrically connected to the voltage stabilizing circuit, so that the fixed voltage generated by the voltage stabilizing circuit The voltage output is charged to the outside world.

Compared with the prior art, the portable device charger of the present utility model can satisfy the user's need for manual charging without a power source due to the manual power generation device and the manual generator. Store electricity, so users can manually generate electricity in normal times, and quickly charge portable devices when they are urgently needed.

【Description of drawings】

FIG. 1 is a block diagram of a first embodiment of a portable device charger of the present invention.

Fig. 2 is a block diagram of the second embodiment of the portable device charger of the present invention.

【Detailed ways】

Please refer to FIG. 1 . FIG. 1 is a block diagram of a first embodiment of a portable device charger of the present invention.

In the first embodiment, the portable device charger 100 provided by the present invention charges the portable device 200, and the portable device charger 100 includes:

Manual generator 10;

A manual generator 11 is connected with the manual generator 10, and generates electricity through the manual operation of the manual generator 10;

The rectifier circuit 12 is electrically connected with the manual generator 11, and converts the current generated by the manual generator 11 into direct current;

The storage battery 13 is electrically connected to the rectification circuit 12, and receives the direct current generated by the rectification circuit 12 to store electricity;

The voltage stabilizing circuit 14 is electrically connected with the storage battery 13 , stabilizes the output voltage of the storage battery 13 at a fixed voltage output and charges the portable device 200 .

Wherein, the manual operation mode of the manual power generating device 10 can be manual pressing, which is convenient for the user to operate, and can even achieve the purpose of exercising the hands. Of course, the manual power generator 10 can also adopt other operation modes.

Wherein, the voltage stabilizing circuit 14 may be an integrated circuit.

Wherein, the fixed voltage generated by the voltage stabilizing circuit 14 may be 5 volts. Of course, the fixed voltage can also be other values, which depends on the charging voltage required by the connected portable device 200 .

It can be seen that using the portable device charger 100 of the present invention, due to the manual power generation device 10 and the manual generator 11, the user can manually charge the user without a power supply, and at the same time, since the battery 13 is provided for the manual power generation. Power storage, so the user can manually generate power at ordinary times, and quickly charge the portable device 200 when it is urgently needed. In addition, due to the voltage stabilizing circuit 14 , when the portable device 200 is being charged, it is not necessary to activate the charging protection circuit of the portable device 200 itself, so as to protect the charging process of the portable device 200 .

Please refer to FIG. 2 . FIG. 2 is a block diagram of a second embodiment of a portable device charger of the present invention.

In the second embodiment, in addition to the structures of the first embodiment, the portable device charger 100 can also include a charging protection circuit 15 electrically connected to the rectification circuit 12 for When the storage battery 13 reaches full voltage, the charging of the storage battery 13 is disconnected. The full charge voltage may be 8.4 volts.

Wherein, the portable device charger 100 may also include a step-down output circuit 16, the step-down output circuit 16 is electrically connected to the rectifier circuit 12, receives the direct current generated by the rectifier circuit 12, and steps down to a step-down voltage. voltage output. Of course, the portable device charger 100 may also include a Ni-MH battery charging slot 17, the Ni-MH battery charging slot 17 is electrically connected to the step-down output circuit 16, and the step-down voltage generated by the step-down output circuit 16 voltage for charging. The step-down voltage may be 1.2 volts.

Wherein, the portable device charger 100 also includes a USB (Universal Serial BUS, Universal Serial Bus) interface 18, and the USB interface 18 is electrically connected with the voltage stabilizing circuit 14 for connecting the voltage stabilizing circuit 14 The resulting fixed voltage output charges the portable device 200 .

Claims (10)

1. a portable set charger is characterized in that, comprising:

Hand operated generator;

Manual generator is connected with described hand operated generator, by the manual operation generating of described hand operated generator;

Rectification circuit electrically connects with described manual generator, and the electric current that described manual generator is produced is converted into direct current;

Storage battery electrically connects with described rectification circuit, and the direct current that receives described rectification circuit generation carries out electric power storage;

Voltage stabilizing circuit electrically connects with described storage battery, and the output voltage stabilization of described storage battery is exported at fixed voltage.

2. portable set charger as claimed in claim 1 is characterized in that the manual manipulation mode of described hand operated generator is for manually pushing.

3. portable set charger as claimed in claim 1 is characterized in that, described voltage stabilizing circuit is an integrated circuit.

4. as claim 2 or 3 described portable set chargers, it is characterized in that the fixed voltage that described voltage stabilizing circuit produces is 5 volts.

5. portable set charger as claimed in claim 1 is characterized in that described storage battery also comprises charge protector, electrically connects with described rectification circuit, and in order to reach when described storage battery when being full of voltage, disconnection is to the charging of described storage battery.

6. portable set charger as claimed in claim 5 is characterized in that, the described voltage that is full of is 8.4 volts.

7. portable set charger as claimed in claim 1, it is characterized in that described portable set charger also comprises the step-down output circuit, described step-down output circuit and described rectification circuit electrically connect, receive the direct current that described rectification circuit produces, and be depressurized to step-down voltage output.

8. portable set charger as claimed in claim 7, it is characterized in that, described portable set charger also comprises the Ni-MH battery charging slot, and described Ni-MH battery charging slot and described step-down output circuit electrically connect, and the step-down voltage that is produced by described step-down output circuit charges.

9. as claim 7 or 8 described portable set chargers, it is characterized in that described step-down voltage is 1.2 volts.

10. portable set charger as claimed in claim 1, it is characterized in that, described portable set charger also comprises USB interface, and described USB interface and described voltage stabilizing circuit electrically connect, in order to the fixed voltage output charging to external world that described voltage stabilizing circuit is produced.

Images