CN209805434U

CN209805434U - Portable multifunctional power supply circuit

Info

Publication number: CN209805434U
Application number: CN201822046896.3U
Authority: CN
Inventors: 史雪林; 钟义华; 李正佳; 吴家龙
Original assignee: Shuangdeng Group Co Ltd
Current assignee: Shuangdeng Group Co Ltd
Priority date: 2018-12-07
Filing date: 2018-12-07
Publication date: 2019-12-17
Anticipated expiration: 2028-12-07

Abstract

The utility model discloses a portable multifunctional power supply circuit, it includes battery, switch, charger, MTTP controller, DC/DC module and display screen. And a switch, a charger, an MTTP controller, a DC/DC module and a display screen are arranged between the two poles of the battery and are connected in parallel. The input end of the charger is a 220V alternating current input interface. The input end of the MTTP controller is a photovoltaic input interface. The DC/DC module is provided with two output interfaces, one is a USB output interface, and the other is a direct current output interface. The utility model discloses rationally dispose ternary lithium cell in the circuit, under the same capacity condition, it is small than lead acid battery, and light in weight is favorable to doing portable structural design. In addition, on the basis of taking the electric energy of the national power grid for charging, a photovoltaic input interface is additionally arranged, so that the charging channel is multiplied, and the solar photovoltaic charging system is more suitable for being used in the outdoor environment. Therefore, the utility model discloses be particularly suitable for making the supporting stand-by power supply of vehicle mounted power or outdoor detection equipment.

Description

Portable multifunctional power supply circuit

Technical Field

The utility model belongs to the technical field of the power, specifically say, the utility model relates to a portable power source, especially a portable multifunctional power supply circuit.

Background

Along with the development of society and the progress of science and technology, people apply more and more electric appliances in work and life, so the dependence on electric energy is increased. In the environment with commercial power supply, people use electrical equipment to get electricity without problems. However, some field operations, emergency rescue and disaster relief and people generally have the problem of inconvenient electricity taking during traveling. In the information age, some instruments, meters and computers are usually equipped with uninterrupted power supplies for continuously collecting and analyzing information and data, and have high requirements on the quality of power supplied. The existing commercial power supply equipment has various varieties and advanced technology, and can meet the power consumption requirements of various electrical equipment.

Disclosure of Invention

The utility model discloses mainly to prior art's not enough, provide a portable multifunctional power supply circuit that the technique is advanced, the configuration is reasonable, the capacity is big relatively, the external tapping is many, the power supply unit who uses this circuit to make is small, light in weight, portable.

The utility model discloses a technical goal is realized to following technical scheme.

A portable multifunctional power supply circuit comprises a battery, a switch, a charger, an MTTP controller, a DC/DC module and a display screen. The improvement is that: and a switch, a charger, an MTTP controller, a DC/DC module and a display screen are arranged between the two poles of the battery and are connected in parallel. The input end of the charger is a 220V alternating current input interface. The input end of the MTTP controller is a photovoltaic input interface. The DC/DC module is provided with two output interfaces, one is a USB output interface, and the other is a direct current output interface.

As a further improvement scheme, the battery is a ternary lithium battery, and a direct current output interface for outputting voltage according to the rated voltage is arranged between the two poles of the battery.

As a further improvement scheme, the battery is a ternary lithium battery, the capacity is 40Ah, and the voltage is 24V.

As a further improvement scheme, the DC/DC module is provided with a 5VUSB output interface and a 12V direct current output interface.

Compared with the prior art, the utility model, following positive effect has:

1. The lithium battery is reasonable in configuration, smaller in size and light in weight than a lead-acid storage battery under the condition of the same capacity, and is suitable for portable structural configuration.

2. The circuit is provided with a 220V alternating current input interface and a photovoltaic input interface, and the application range and the continuous power supply capacity are multiplied due to the fact that a plurality of electric energy supplementing channels are arranged.

3. And output interfaces with different voltages are configured to adapt to matching of different electrical equipment.

Drawings

Fig. 1 is a schematic block diagram of the circuit of the present invention.

Detailed Description

The invention will be further explained with reference to the drawings and the examples.

FIG. 1 is a schematic block diagram of a portable multi-function power supply circuit, which includes a battery, a switch, a charger, an MTTP controller, a DC/DC module, and a display. The battery used in this example is a ternary lithium battery with a capacity of 40Ah and a voltage of 24V. A24V direct current output interface and a switch are arranged between two poles of the battery, and a charger, an MTTP controller, a DC/DC module and a display screen are connected in parallel. The input end of the charger configured in the circuit is a 220V alternating current input interface, and the interface can be charged by 220V alternating current of a national power grid. In order to further expand the power source, increase the application range and facilitate the continuous use of users in areas far away from national power grids, an MTTP controller is further arranged in the circuit, the input end of the controller is a photovoltaic input interface, and the photovoltaic power is preferentially used for charging under the condition permitted by the condition, so that the charging is convenient and fast, the environment is protected, and the money is saved. The DC/DC module is an electric energy output module, and the module is provided with two output interfaces, one is a USB output interface, and the other is a direct current output interface. In this embodiment, the DC/DC module is provided with a 5V usb output interface and a 12V DC output interface. And 3 output interfaces with different voltages are arranged in the circuit together with 24V direct current output interfaces led out from two poles of the battery. The multi-specification output interface is favorable for meeting the charging requirements of different outdoor electrical appliances.

The utility model discloses rationally dispose ternary lithium cell in the circuit, under the same capacity condition, it is small than lead acid battery, and light in weight is favorable to doing portable structural design. In addition, on the basis of taking 220V alternating current of the national power grid for charging, a photovoltaic input interface is additionally arranged, so that the charging channel is multiplied, and the solar photovoltaic charging system is more suitable for being used in an outdoor environment. Therefore, the utility model discloses be particularly suitable for making the supporting stand-by power supply of vehicle mounted power or outdoor detection equipment.

Claims

1. A portable multifunctional power supply circuit comprises a battery, a switch, a charger, an MTTP controller, a DC/DC module and a display screen; the method is characterized in that: a switch, a charger, an MTTP controller, a DC/DC module and a display screen are arranged between the two poles of the battery and are connected in parallel; the input end of the charger is a 220V alternating current input interface; the input end of the MTTP controller is a photovoltaic input interface; the DC/DC module is provided with two output interfaces, one is a USB output interface, and the other is a direct current output interface.

2. The portable multifunction power supply circuit of claim 1, wherein: the battery is a ternary lithium battery, and a direct current output interface for outputting voltage according to the rated voltage is arranged between the two poles of the battery.

3. The portable multifunction power supply circuit of claim 1, wherein: the battery is a ternary lithium battery, the capacity is 40Ah, and the voltage is 24V.

4. The portable multifunction power supply circuit of claim 1, wherein: the DC/DC module is provided with a 5VUSB output interface and a 12V direct current output interface.