TWM515231U - Portable power source device - Google Patents

Description

Portable power supply unit

The present invention relates to a portable power supply device, in particular to a different voltage output of a first voltage and a second voltage according to a charging specification of a user's electronic product, and provides charging of different electronic products. Power supply unit.

Due to the current technological advancement and the booming of the electronics industry, various portable electronic products continue to evolve, such as the popularity of portable electronic products such as notebook computers, handheld game consoles, smart phones and tablets, which are increasing year by year. As the functions of portable electronic products increase and increase, the power consumed by them increases. In the current situation where there is no major breakthrough in the battery field, users often have to carry them in order to continue to use them continuously. It is currently the most common practice for a portable power supply to provide power for portable electronic products.

However, with the increasing number of portable electronic products used, the power specifications required for different electronic products are not the same, and the portable power supply currently available on the market only provides a charging voltage, and the limitation is considerable. Therefore, in order to be able to use a plurality of electronic products at the same time, there has been a problem that it is necessary to carry more than one power supply device to provide power for various electronic products.

In view of this problem, the present invention provides a portable power supply device that can provide different output voltages of the first voltage and the second voltage according to the charging specifications of the electronic products, so that only one portable power source can provide different electronic products. The power required.

In view of the above-mentioned deficiencies of the prior art, the present invention mainly provides a portable power supply device system that achieves different voltage outputs through different output ports, providing users with more charging options, and no longer need to carry more than two portable devices. The power supply device is used to charge different electronic products to achieve the convenience and convenience of the portable power supply device.

The main technical feature to be adopted for the purpose of the above-mentioned needs is that the portable power supply device comprises: a casing having a front casing; and a power supply unit disposed in the casing, the power supply unit being repeatable a battery for charging and discharging, and providing a fixed voltage output; a control circuit board disposed in the housing and electrically connected to the power unit; a first output port disposed in the housing and electrically connected to the control circuit board Connected to provide a first voltage output, the first voltage is higher than the fixed voltage; a second output port is disposed on the front housing and electrically connected to the control circuit board to provide a second a voltage output, the second voltage is higher than the first voltage; an input port is disposed on the front case and electrically connected to the control circuit board for providing a third voltage input, the third voltage being higher than The fixed voltage, wherein the control circuit board further comprises a first boosting circuit and a second boosting circuit, respectively electrically connected to the first output port and the second output port, wherein the first boosting circuit is used for Lift the fixed voltage To the first voltage, the second boosting circuit for raising the voltage to the second fixed voltage.

Wherein, the control circuit board further comprises a protection circuit for providing overcharge, overvoltage, overcurrent and short circuit protection.

The third voltage is higher than the second voltage; and the control circuit board further includes a step-down circuit for reducing the third voltage to a voltage value that is the same as the fixed voltage.

The housing further includes a button electrically connected to the control circuit board, and the button can be used to control the portable power supply unit to be turned on/off.

Wherein, the housing further comprises a display component electrically connected to the control circuit board, the display component can display the power of the power supply unit.

The housing further includes a DC lighting unit electrically connected to the control circuit board.

Wherein, the first voltage is 5 volts, the second voltage is 12 volts, and the third voltage is 15 volts.

The housing further includes a front housing, a side housing and an upper housing. The side housing is adjacent to the front housing, and the upper housing is disposed on the front housing and the side housing.

The first output port is disposed on the side casing, the button is disposed on the upper casing, and the second output port and the input port are disposed on the front casing.

As can be seen from the above description, the original design of the portable power supply device enables the user to conveniently charge the electronic product, so the new portable power supply device provides the first voltage output and the second voltage output, so that the user can Different voltage outputs are used to charge different electronic products, which reduces the user's troubles and improves the convenience. With the setting of the DC light-emitting components, the user can replace the flashlight with the new portable power supply device. In addition, the third-voltage charging design can reduce the charging time of the portable power supply, so that the user does not have to worry about the power problem of the portable power supply device.

10‧‧‧Portable power supply unit

11‧‧‧Shell

12‧‧‧First output埠

13‧‧‧Second output埠

14‧‧‧DC lighting unit

20‧‧‧ Input埠

30‧‧‧ button

40‧‧‧Display components

50‧‧‧Control circuit board

51‧‧‧Microcontroller Control Module

52‧‧‧USB output module

53‧‧‧DC voltage output module

54‧‧‧DC charging module

55‧‧‧Key Control Module

56‧‧‧LED display module

57‧‧‧LED lighting module

58‧‧‧Circuit protection module

60‧‧‧Power unit

111‧‧‧Upper casing

112‧‧‧ front casing

113‧‧‧ side shell

114‧‧‧Fixed parts

FIG. 1 is a schematic diagram of the novel portable power supply device.

2 is an exploded view of the structure of the novel portable power supply device.

3 is a circuit block diagram of a control circuit board of the novel portable power supply device.

Referring to FIG. 1 , the portable power supply device 10 of the first embodiment of the present invention includes a housing 11 , a first output port 12 , a second output port 13 , a DC illumination unit 14 , and an input port 20 . A button 30 and a display element 40.

The housing 11 further includes an upper housing 111, a front housing 112 and a side housing 113. The side housing 113 is adjacent to the front housing 112. The housing 11 has an accommodating space therein.

The first output port 12 is disposed on the side casing 113. The second output port 13, the DC light emitting unit 14 and the input port 20 are disposed on the front casing 112. The button 30 and the display element 40 are The upper casing 111 is provided.

As shown in FIG. 2, the portable power supply device 10 further includes a control circuit board 50 and a power supply unit 60. The control circuit board 50 and the power supply unit 60 are disposed in the accommodating space.

The first output port 12, the second output port 13, the DC lighting unit 14, the input port 20, and the power unit 60 are each electrically connected to the control circuit board 50. The power unit 60 is repeatable. A charged/discharged battery and provides a fixed voltage output that can be 3.7 volts DC.

The user can electrically connect one or several electronic products to the first output port 12 (or the second output port 13) using a transmission line (not shown), and the control circuit board 50 controls the power source. The unit 60 discharges and outputs a DC power source, and the power unit 60 supplies the DC power to the first output port 12 (or the second output port 13) by the first output port 12 (or the second output)埠13) supplying the DC power to the user of the electronic product to achieve the function of the DC power supply of the portable power supply device 10.

The first output port 12 is responsible for providing a first voltage, the first voltage being higher than the fixed voltage; the second output port 13 is responsible for providing a second voltage, the second voltage being higher than the first voltage, thereby The portable power supply device 10 can select the first voltage provided by the first output port 12 according to the specification of the electronic product, or use the second output port 13 to provide the second voltage DC power source, and transmit the electronic product. The first voltage may be 5 volts, and the second voltage may be 12 volts, but not limited thereto.

The input port 20 can be connected to the DC power supply. At this time, the control circuit board 50 controls the power supply unit 60 to be in a charging state, and the DC power supply inputs the DC power into the power supply unit 60 through the input port 20, the power supply unit. The 60 series stores the DC power supply, and restores the power supply unit 60 to 100% of the power supply to provide a DC power supply required for the user to plug in the electronic product, wherein the DC power supply is a third voltage DC power supply. The third voltage can be 15 volts.

The DC lighting unit 14 can be a light emitting diode (LED). The DC power unit 14 can be provided with an illumination function, which can be used as an alternative to the flashlight to increase the convenience.

The button 30 is disposed on the upper casing 111 and electrically connected to the control circuit board 50. The portable power supply device 10 can be turned on/off by the button 30. The display component 40 can be an LED display component. The display device 40 is configured to display the power of the power unit 60. The display device 40 is electrically connected to the upper casing 111 and electrically connected to the control circuit board 50.

The control circuit board 50 of the portable power supply unit 10 includes a first boosting circuit, a second boosting circuit and a step-down circuit. In this embodiment, the first boosting circuit can be a USB (general purpose). The output bus is an output module, the first output port 12 is a USB port, the USB output module is connected to the USB port to output an output voltage of 5 volts DC, and the second boost circuit can be a DC voltage output. The module is configured to output a direct current (DC) output voltage of 12 volts; the step-down circuit can be a direct current (DC) charging module that charges the power unit 60 with a direct current power source.

Referring to FIG. 3, the control circuit board 50 of the portable power supply device 10 of the present invention further includes a microcontroller (MCU) control module 51, a USB output module 52, and a DC voltage output module 53. The flow charging module 54, a button control module 55, an LED display module 56, an LED lighting module 57 and a circuit protection module 58.

The USB output module 52, the DC voltage output module 53, the DC charging module 54, the button control module 55, the LED display module 56, the LED lighting module 57, and the circuit protection module 58 are electrically connected to the MCU control module 51, respectively. The MCU control module 51 controls the portable power supply device 10 to control the power output or input corresponding to the USB output module 52, the DC voltage output module 53 or the DC charging module 54.

The USB output module 52 is electrically connected to the first output port 10. When the MCU control module 51 uses the USB output module 52, the control circuit board 50 causes the power supply unit 60 to be in a discharged state, and the power supply unit 60 provides a fixed state. a voltage is applied to the USB output module 52, and the USB output module 52 raises the fixed voltage, and the first output voltage is outputted by the first output port 10, so that the portable power supply device 10 can pass the first output 12 outputs the first voltage, the first output port 12 is a USB port, and the first voltage is 5 volts.

The DC voltage output module 53 is electrically connected to the second output port 11 . When the MCU control module 51 uses the DC voltage output module 53 , the control circuit board 50 causes the power supply unit 60 to be in a discharged state, and the power supply unit 60 provides The fixed voltage is applied to the DC voltage output module 53. The DC voltage output module 53 boosts the fixed voltage, and the second output voltage is outputted by the second output port 13 to enable the portable power supply device 10 to The second output port 13 outputs the second voltage, which is a direct current (DC) of 12 volts.

The input port 20 is electrically connected to the direct current (DC) charging module 54. The mains power can be rectified from the alternating current power source to the direct current power source by a rectifying transformer, and the third voltage is continuously outputted by the third voltage. A transmission line is connected to the input port 20, and the control circuit board 50 makes the power supply list The element 60 is in a state of charge, and the DC charging module 54 lowers the third voltage to a voltage value identical to the fixed voltage, and inputs a DC power source to the power unit 60, that is, charges the power unit 60. When the power supply unit 60 is in the discharge state, the DC power supply required for the discharge state is provided. The third voltage may be a DC voltage of 15 volts, but is not limited thereto.

The button control module 55 is electrically connected to the button 30. When the user presses the button 30, the button control module 55 sends a signal to the MCU control module 51. The MCU control module 51 controls the portable power device 10 to perform a power on/off operation. .

The LED display module 56 is electrically connected to the display component 40. The MCU control module 51 provides power information of the current power supply unit 60 to the LED display module 56, and then displays the current power of the power supply unit 60 through the display component 40.

In this embodiment, the DC lighting unit 14 can be a light emitting diode (LED). In this case, the portable power supply device 1 provides DC power to the LED. The LED can be an illumination source. The portable power supply device 1 can be used as a flashlight, wherein the LED lighting module 57 is connected to the DC lighting unit, and the power supply unit 60 can transmit power to the DC lighting unit 14 through the LED lighting module 57 to cause the DC lighting unit 14 to emit light; The LED lighting module 57 can be connected to the DC lighting unit 14 through the MCU control module 51.

The MCU control module 51 is connected to the circuit protection module 58. The circuit protection module 58 has overcharge, overdischarge and short circuit protection. The circuit protection module 58 protects the power supply unit 60 from overcharge and overdischarge (overdischarge voltage). , over discharge current) and short circuit problems.

When the power supply unit 60 is in a charging state, the MCU control module 51 determines the current voltage of the power supply unit 60. If the voltage of the power supply unit 60 exceeds a first rated voltage, the overcharge protection will be activated. When the overcharge protection is activated, The control circuit board 50 switches the power supply unit 60 from the charging state to the standby state. At this time, the power input to the battery 20 can no longer be supplied to the power supply unit 60, thereby avoiding the occurrence of abnormal charging inside the power supply unit 60, resulting in explosion or combustion. And so on.

When the power supply unit 60 is in a discharging state, the MCU control module 51 determines the current voltage of the power supply unit 60. If the voltage of the power supply unit 60 is lower than a second rated voltage, the over-discharge protection is activated, and when the over-discharge protection is started, The control circuit board switches the power supply unit 60 from the discharging state to the standby state. At this time, the first output port 10 or the second output port 11 will be unable to supply power again, and the over-current protection prevents the power unit 60 from being overused, thereby causing the power unit. 60 loses function; short circuit protection to avoid the large current generated when the short circuit occurs, the heat is rapidly accumulated, causing the power unit 60 to explode, burn and the like.

In the above embodiment, in the preferred embodiment of the present invention, the third voltage is 15 volts, the second voltage is 12 volts, the first voltage is 5 volts, and the fixed voltage is 3.7 volts.

In another embodiment, the DC light-emitting unit 14 can be a laser diode. In this case, the portable power supply device 1 provides DC power to the laser diode. The portable power supply device 1 can be used as Use with a laser pen.

As shown in FIG. 1 , the bottom of the housing 112 further includes a fixing member 114 through which the user can fix the portable power supply device 10 to an electronic product, such as a DC fan, to reduce The occupation of space.

In summary, the present invention provides a portable power supply device that can provide a first voltage and a second voltage higher than the first voltage, and the user can use the portable power supply device to use two different specifications of the electronic device. The portable power supply device further includes a light-emitting component, so that the user can use the portable power supply device as a flashlight, so that the user does not need to carry extra power and a flashlight, thereby improving convenience and utilizing The higher third voltage charges the portable power supply device, which can reduce the charging time of the portable power supply device and has the function of fast charging. The internal structure of the present invention has been fully implemented and illustrated, and has achieved the effect of solving the defects of the prior art. The user can use the portable power supply device of the present invention to perform power management on electronic products of different specifications to increase the use. The convenience is actually the requirement for patent application. The content described in the present invention is only a preferred implementation. The examples are not intended to limit the scope of the present invention, and any local variations and modifications are still within the scope of the present invention.

10‧‧‧Portable power supply unit

11‧‧‧Shell

12‧‧‧First output埠

13‧‧‧Second output埠

14‧‧‧DC lighting unit

20‧‧‧ Input埠

30‧‧‧ button

40‧‧‧Display components

111‧‧‧Upper casing

112‧‧‧ front casing

113‧‧‧ side shell

114‧‧‧Fixed parts

Claims (12)

A portable power supply device comprising: a casing; a power supply unit disposed in the casing, the power supply unit being a rechargeable battery capable of being recharged and provided, and providing a fixed voltage output; a control circuit board disposed at the a first output port is disposed in the housing and electrically connected to the control circuit board for providing a first voltage output, the first voltage being higher than the fixed voltage a second output port disposed in the housing and electrically connected to the control circuit board for providing a second voltage output, the second voltage being higher than the first voltage; an input port disposed on the case And electrically connected to the control circuit board for providing a third voltage input, the third voltage being higher than the fixed voltage; and wherein the control circuit board further comprises a first boost circuit and a second rise a voltage circuit electrically connected to the first output port and the second output port, wherein the first boost circuit is configured to boost the fixed voltage to the first voltage, and the second boost circuit is configured to use the fixed voltage Upgrade to the second voltage. The portable power supply device of claim 1, wherein the control circuit board further comprises a protection circuit for providing overcharge, overvoltage, overcurrent and short circuit protection. The portable power supply device of claim 2, wherein the third voltage is higher than the second voltage. The portable power supply device of claim 3, wherein the control circuit board further comprises a step-down circuit for reducing the third voltage to the fixed voltage. The portable power supply device of claim 4, further comprising a transformer, wherein the input port is further electrically connected to one end of the transformer, and the other end of the transformer is connected to a mains power supply, and one of the mains power sources is The mains voltage is modulated to the third voltage. The portable power supply device of claim 5, wherein the housing further comprises a button electrically connected to the control circuit board, and the button can be controlled to turn on/off the portable power supply device. The portable power supply device of claim 6, wherein the housing further comprises a display component electrically connected to the control circuit board, the display component being capable of displaying the power of the power supply unit. The portable power supply device of claim 6, wherein the housing further comprises a direct current lighting unit electrically connected to the control circuit board. The portable power supply device of claim 8, wherein the button further controls turning on or off the DC lighting unit. The portable power supply device of claim 6, wherein the first voltage is 5 volts, the second voltage is 12 volts, and the third voltage is 15 volts. The portable power supply device of claim 10, wherein the housing further comprises a front housing, a side housing and an upper housing, the side housing being adjacent to the front housing, the upper housing being disposed On the front housing and the side housing. The portable power supply device of claim 11, wherein the first output port is disposed on the side casing, the button is disposed on the upper casing, and the second output port and the input port are disposed on the front casing .