CN204633426U - Power bank for electrical appliances - Google Patents

Abstract

The utility model relates to a portable power source suitable for electric appliances in the technical field of power supply, which comprises a power supply shell, a battery pack and a main control circuit board, wherein the battery pack and the main control circuit board are arranged in the power supply shell, the surface of the power supply shell is provided with a control key, a charging interface, an output interface group and an LED display lamp group which are electrically connected with the main control circuit board, the charging interface is a DC15V charging interface, the output interface group comprises a DC12V output interface and a USB5V output interface, the main control circuit board comprises an MCU control module and a key control module, a DC charging module, a USB output module, a DC12V output module, an LED display module and a circuit protection module which are respectively and electrically connected with the MCU control module, the novel portable power source is designed with a 15V charging interface and a DC12V output interface, can charge products of DC12V, the portable power source has a wider use range, the charging efficiency can be effectively improved and the charging time can be reduced.

Description

Power bank for electrical appliances

technical field

The utility model relates to the technical field of power supply, in particular to a mobile power supply suitable for electric appliances.

Background technique

Mobile power, also known as "power bank", is a portable charger that integrates power supply and charging functions. It can charge mobile phones and other digital devices anytime, anywhere or standby power. Generally, lithium batteries (or dry batteries, less common) are used as power storage units, which are convenient and quick to use.

At present, the standard voltage of the battery cell of the commercially available mobile power supply is generally maintained at about 3.7V, which is boosted to 5V by the booster circuit for output. The 5V voltage can only be used for charging 5V digital electronic products, and cannot be used for charging. Products with other voltages are used for power supply, resulting in a limited range of use. In addition, the input power of the existing mobile power supply is small and fixed, especially for large-capacity mobile power supplies, which take a long time to charge. Affect the normal use of the product.

Utility model content

The purpose of this utility model is to solve the above defects and provide a mobile power supply suitable for electrical appliances, which has a DC12V output interface and can be used for DC12V products, so that the mobile power supply can be used in a wider range.

The purpose of this utility model is achieved in the following ways:

A mobile power supply suitable for electrical appliances, including a power supply housing, a battery pack and a main control circuit board arranged inside the power supply housing, the battery pack is electrically connected to the main control circuit board, and the surface of the power supply housing is provided with a main control circuit board. Control buttons, charging interface, output interface group and LED display light group for electrical connection.

The charging interface of the utility model is a DC15V charging interface, the output interface group includes a DC12V output interface and a USB5V output interface, the main control circuit board includes an MCU control module and a button control module and a DC charging module that are electrically connected to the MCU control module respectively , USB output module, DC12V output module, LED display module and circuit protection module, the button control module is electrically connected to the control button, the DC charging module is electrically connected to the charging interface, the USB output module is electrically connected to the USB5V output interface, and DC12V output The module is electrically connected to the DC12V output interface, and the LED display module is electrically connected to the LED display lamp group.

The USB5V output interface can be used to connect mobile phones, tablet computers, cameras and other digital products.

In the above description, as a preferred solution, the front side surface of the power supply housing is also provided with an LED strong light, which is used for emergency lighting, and the MCU control module is also electrically connected to an LED lighting module, and the LED lighting module is connected to the LED lights are electrically connected.

In the above description, as a preferred solution, the control button is arranged on the upper surface of the power supply housing, the control button is a click button, and the button control module includes a master switch control unit and a strong light control unit. The button is to start the output state and close the sleep state, and press and hold the control button for 3 seconds to start the LED strong light.

In the above description, as a preferred solution, the LED display light group includes a charging status indicator light, a full charge status indicator light, a low battery indicator light, a USB output indicator light and a DC output indicator light.

In the above description, in a more preferred solution, the LED display light group is arranged on the upper surface of the power supply housing and in front of the control buttons.

In the above description, as a preferred solution, the circuit protection module includes an overcharge voltage protection unit, an overdischarge voltage protection unit, an overdischarge current protection unit and a short circuit protection unit.

In the above description, as a preferred solution, both the DC15V charging interface and the DC12V output interface are located on the front side of the power supply housing.

In the above description, as a preferred solution, the MCU control module is also electrically connected to a switching module, and the switching module is used to switch the mobile power supply to the charging mode, so as to charge the mobile power supply with the electric energy provided by the mains power supply.

The beneficial effects produced by the utility model are: the new mobile power supply is designed with a 15V charging interface and a DC12V output interface, and also has a USB5V output interface, so that it can be used for DC12V products on the basis of a 5V output port, and can Charging DC12V products can be widely used in household electrical appliances, making the mobile power supply more widely used. At the same time, charging with a 15V charger can effectively improve charging efficiency and reduce charging time.

Description of drawings

Figure 1 is a schematic diagram of a three-dimensional structure of an embodiment of the utility model;

Figure 2 is a schematic diagram of the structural framework of the utility model embodiment;

In the figure, 1 is the power supply housing, 2 is the control button, 3 is the charging interface, 4 is the LED display light group, 5 is the DC12V output interface, 6 is the USB5V output interface, and 7 is the LED strong light.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

For this embodiment, refer to Figure 1 and Figure 2.

Its specific mobile power supply includes a power supply housing 1 and a battery pack and a main control circuit board arranged inside the power supply housing 1. The battery pack is electrically connected to the main control circuit board. As shown in Figure 1, the power supply housing 1 The surface is provided with a control button 2 electrically connected to the main control circuit board, a charging interface 3, an output interface group and an LED display lamp group 4, and the front side surface of the power supply housing 1 is also provided with an LED strong light 7 for emergency lighting , the charging interface 3 of this embodiment is a DC15V charging interface 3, and the output interface group includes a DC12V output interface 5 and a USB5V output interface 6. Both the DC15V charging interface 3 and the DC12V output interface 5 are located on the front side of the power supply housing 1. Set on the upper surface of the power supply housing 1, the control button 2 is a click button, and the LED display light group 4 includes a charging status indicator, a full battery indicator, a low battery indicator, a USB output indicator, and a DC output indicator , the LED display light group 4 is arranged on the upper surface of the power supply housing 1 and is located in front of the control buttons 2. The mobile power supply of this embodiment is suitable for frequency conversion fans, so the shape of the power supply housing 1 is designed to be installed into the frequency conversion fan Structure.

As shown in Figure 2, the main control circuit board includes an MCU control module, a button control module electrically connected to the MCU control module, a DC charging module, a USB output module, a DC12V output module, an LED display module, an LED lighting module and a circuit The protection module, the button control module is electrically connected to the control button 2, the DC charging module is electrically connected to the charging interface 3, the USB output module is electrically connected to the USB5V output interface 6, the DC12V output module is electrically connected to the DC12V output interface 5, and the LED The display module is electrically connected to the LED display lamp group 4 , and the LED lighting module is electrically connected to the LED high light lamp 7 .

The new mobile power supply is designed with a 15V charging interface 3 and a DC12V output interface 5, and also has a USB5V output interface 6, so that it can be used for DC12V products on the basis of the 5V output interface, and the USB5V output interface 6 can be used to connect to mobile phones , tablet computer, camera and other digital products, the DC12V output interface 5 of this embodiment can be used to connect the frequency conversion fan, provide power for the frequency conversion fan, and can also be widely used in the products of household appliances, so that the range of mobile power supply is wider, and at the same time Charging with a 15V2A charger can effectively improve charging efficiency and reduce charging time.

The above content is a further detailed description of the utility model in conjunction with specific preferred embodiments, and it cannot be determined that the specific implementation of the utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the utility model belongs, on the premise of not departing from the concept of the utility model, some simple deduction or replacement can also be made, which should be regarded as the protection scope of the utility model.

Claims (7)

1. be applicable to the portable power source of electrical equipment, comprise power shell and be arranged at battery pack and the main control board of power shell inside, battery pack is electrically connected with main control board, the surface of power shell is provided with the control button carrying out with main control board being electrically connected, charging inlet, output interface group and LED display lamp group, it is characterized in that: this charging inlet is DC15V charging inlet, this output interface group comprises DC12V output interface and USB5V output interface, main control board comprises MCU control module and carries out the key control module that is electrically connected respectively with MCU control module, DC charging module, USB output module, DC12V output module, LED display module and circuit protection module, key control module is electrically connected with control button, DC charging module is electrically connected with charging inlet, USB output module is electrically connected with USB5V output interface, DC12V output module is electrically connected with DC12V output interface, LED display module is electrically connected with LED display lamp group.

2. be applicable to the portable power source of electrical equipment according to claim 1, it is characterized in that: the leading flank surface of described power shell is also provided with LED major light, MCU control module is also electrically connected with LED illumination module, and LED illumination module is electrically connected with LED major light.

3. be applicable to the portable power source of electrical equipment according to claim 2, it is characterized in that: described control button is arranged on the upper surface of power shell, controlling button is knock type button, and key control module comprises master switch control unit and major light control unit.

4. according to claims 1 to 3 any one, be applicable to the portable power source of electrical equipment, it is characterized in that: described LED display lamp group comprises charge status indicating light, full power state indicator light, low capacity prompt lamp, USB output indicator and DC output indicator.

5. be applicable to the portable power source of electrical equipment according to claim 4, it is characterized in that: described LED display lamp group is arranged on the upper surface of power shell and is positioned at the front controlling button.

6. according to claim 1,2,3 or 5, be applicable to the portable power source of electrical equipment, it is characterized in that: described circuit protection module comprises overcharged voltage protected location, overdischarge pressure protected location, overdischarge stream protected location and short-circuit protection unit.

7. according to claim 1,2,3 or 5, be applicable to the portable power source of electrical equipment, it is characterized in that: described DC15V charging inlet and DC12V output interface are all positioned at the leading flank of power shell.