CN203722260U - Miniature portable mobile power supply - Google Patents

Abstract

The utility model discloses a small mobile portable power supply, which relates to a power supply device for electronic equipment in the emergency scene, in the field and in special circumstances. It consists of a microprocessor, a large-capacity lithium battery pack, an inverter module, a multi-channel charging module, a touch screen, a communication module, and a DC-DC module. It uses the electric energy of the large-capacity lithium battery pack, and converts it into AC 220V and DC 5V through the inverter module and DC-DC module to supply power for the device. Cigarette device, the three input sources can charge the large-capacity lithium battery pack, the microprocessor is responsible for collecting and processing the data, and the result is transmitted to the touch screen through the communication module, and the touch screen will control each function of the device during operation. Item parameters, help information, and control buttons are all displayed on the screen, and users can switch display parameters and perform human-computer interaction through the touch screen to complete various tasks. The small mobile portable power supply provides a portable, intelligent and highly flexible emergency power supply solution.

Description

A small mobile portable power supply

technical field

The utility model relates to a small mobile portable power supply, which is especially suitable for power supply and charging of electronic equipment in the emergency scene, in the field and in special circumstances. the

Background technique

In recent years, various public emergencies have occurred frequently in our country, especially the occurrence of natural disasters such as earthquakes, floods, ice and snow disasters has brought a huge threat to the safety of people's lives and property, and the interruption of power has hit emergency rescuers head-on , All kinds of rescue and communication equipment will lose the meaning of rescue after their own power is exhausted, and the portable power supply provides the best solution for the continuous power supply of electric equipment. the

The existing portable power supply has poor battery life, limited self-charging, no AC 220V output, no consideration of safety in use, no human-computer interaction interface, and cannot intuitively and accurately display parameters such as charging and discharging. It is mainly used for powering handheld devices or Charging, can not be used for medium and large equipment. the

Utility model content

The purpose of this utility model is to provide a small mobile portable power supply by avoiding the disadvantages of the above-mentioned background technology. The utility model has the advantages of long battery life, coexistence of multiple charging modes, two output modes of AC 220V and DC 5V, an alarm mechanism, and a human-computer interaction interface to facilitate the user's operation. It is not only suitable for power supply or charging of handheld devices, but also can provide power for medium-sized devices and some large-scale devices. the

The purpose of this utility model is achieved in that:

A small mobile portable power supply, characterized in that: the first input terminal of the multi-channel charging module is connected to the car cigarette lighter, solar energy or mains power, the output terminal of the multi-channel charging module is connected to the first input terminal of the large-capacity lithium battery pack The output terminals of the large-capacity lithium battery pack are respectively connected to the input terminals of the inverter module and the input terminal of the DC-DC module; the output terminal of the inverter module outputs AC 220V, and the output terminal of the DC-DC module outputs DC 5V; the output terminal of the first microprocessor is respectively connected with the second input terminal of the multi-channel charging module, the input terminal of the communication module, the input terminal of the touch screen, the input terminal of the inverter module and the input terminal of the DC-DC module connected; the output end of the communication module is connected with the second input end of the high-capacity lithium battery pack. the

Wherein, the described high-capacity lithium battery pack includes a second microprocessor, a lithium battery, a temperature sensor, an A/D sampling module, a voltage output interface, and a 485 bus interface; The output terminals of the lithium battery are connected; the first output terminal of the lithium battery is connected with the input terminal of the voltage output interface; the output terminals of the voltage output interface are respectively connected with the input terminals of the inverter module and the DC-DC module;

The input end of the temperature sensor is connected with the second output end of the lithium battery, and the output end of the temperature sensor is connected with the first input end of the second microprocessor; the input end of the A/D sampling module is connected with the third output end of the lithium battery The output end of the A/D sampling module is connected with the second input end of the second microprocessor; the output end of the second microprocessor is connected with the input end of the 485 bus interface; the output end of the 485 bus interface is connected with the The communication module is connected. the

Compared with the background technology, the utility model has the following advantages:

1. The utility model reduces the weight of the equipment to the greatest extent on the premise of satisfying the use of medium and large equipment, and makes the equipment have the characteristics of portability. the

2. The utility model first adopts a large-capacity lithium battery pack, which greatly increases the battery life of the equipment. the

3. The utility model adopts a charging mechanism in which multiple charging modes coexist, which greatly enhances the flexibility of equipment use. the

4. The utility model adopts a touchable LCD display interface to display various parameters during the use of the device to the user, and various operations of the user are realized through the touch screen, making the device more convenient to use. Convenient and smart. the

5. The utility model has a special design in terms of safety, reasonable air duct design and alarm mechanism, all of which can ensure that the equipment operates in the best state to the greatest extent. the

6 The utility model has two standard output voltages of AC 220V and DC 5V, and each output provides three standard interfaces, which can provide power to multiple devices at the same time. the

Description of drawings

Fig. 1 is a schematic diagram of the principle structure of the utility model. the

Fig. 2 is a schematic diagram of the system composition of the present utility model. the

Figure 3 is a schematic diagram of the composition of a large-capacity lithium battery pack. the

Detailed ways

Referring to Fig. 1 and Fig. 2, the small mobile portable power supply of the present utility model consists of a first microprocessor 1, a large-capacity lithium battery pack 2, an inverter module 3, a multi-channel charging module 4, a touch display screen 5, and a communication module 6 , DC-DC module 7 components. Fig. 2 is a schematic diagram of the system composition of the present utility model, and the embodiment connects the circuit according to Fig. 2 . The role of the first microprocessor 1 is to be responsible for data acquisition, management control and data communication; the role of the large-capacity lithium battery pack 2 is to provide electric energy, and the output voltage is converted into AC 220V and DC 5V supply power for the equipment; the inverter module 3 converts the DC voltage output by the large-capacity lithium battery pack 2 into AC 220V; Electricity can be charged for the built-in large-capacity lithium battery pack of the power supply; the touch screen 5 is used to display various parameters, help information, and user operation information of the large-capacity lithium battery pack 2; the communication module 6 is the first microprocessor 1 A channel is provided for reading the parameters of the large-capacity lithium battery pack; the DC-DC module 7 converts the DC voltage output by the large-capacity lithium battery pack 2 into DC 5V. the

Wherein, the large-capacity lithium battery pack 2 is composed of a second microprocessor 8, a lithium battery 9, a temperature sensor 10, an A/D sampling module 11, a voltage output interface 12, and a 485 bus interface 13; The output terminal of the road charging module 4 is connected to complete the charging of the large-capacity lithium battery pack 2; the voltage output interface 12 is connected with the input of the inverter module 3 and the DC-DC module 7 respectively, so that the electric energy conversion of the large-capacity lithium battery pack 2 For the AC 220V and DC 5V we need; the temperature sensor 10 and the A/D sampling module 11 transmit the temperature, voltage, current and other parameters of the lithium battery 9 during use to the second microprocessor 8 respectively, and the second The microprocessor 8 sends the collected information to the 485 bus interface 13 after processing, and the first microprocessor 1 reads the data on the 485 bus through the communication module 6 and performs calculation and processing on it, and then touches the The display screen 5 shows it to the user. the

The working principle of the utility model is as follows:

It uses the power of the large-capacity lithium battery pack 2 to convert its output voltage into AC 220V and DC 5V through the inverter module 3 and DC-DC module 7 to supply power for the device. The cigarette lighter can charge the internal large-capacity lithium battery pack 2, and the first microprocessor 1 is the core of the power supply, which is used to collect relevant data and control each module, and communicate with the high-capacity battery pack 2 through the communication module 6. Parameters such as charge and discharge are displayed to the user, and the display parameters can be switched and displayed by the touch screen 5 . the

Claims (2)

1. A small mobile portable power supply is characterized in that: the first input terminal of the multi-channel charging module is connected with the automobile cigarette lighter, solar energy or mains, and the output terminal of the multi-channel charging module is connected with the first input terminal of the large-capacity lithium battery pack. One input terminal is connected; the output terminal of the large-capacity lithium battery pack is respectively connected with the input terminal of the inverter module and the input terminal of the DC-DC module; the output terminal of the inverter module outputs AC 220V, and the output terminal of the DC-DC module Output DC 5V; the output terminal of the first microprocessor is respectively connected with the second input terminal of the multi-channel charging module, the input terminal of the communication module, the input terminal of the touch screen, the input terminal of the inverter module and the DC-DC module. The input ends are connected; the output end of the communication module is connected with the second input end of the high-capacity lithium battery pack. the 2. A small mobile portable power supply according to claim 1, characterized in that: said large-capacity lithium battery pack includes a second microprocessor, a lithium battery, a temperature sensor, an A/D sampling module, and a voltage output interface and 485 bus interface; the input end of the lithium battery is connected with the output end of the multi-channel charging module; the first output end of the lithium battery is connected with the input end of the voltage output interface; the output end of the voltage output interface is respectively connected with the inverter The variable module is connected to the input end of the DC-DC module; The input end of the temperature sensor is connected with the second output end of the lithium battery, and the output end of the temperature sensor is connected with the first input end of the second microprocessor; the input end of the A/D sampling module is connected with the third output end of the lithium battery The output end of the A/D sampling module is connected with the second input end of the second microprocessor; the output end of the second microprocessor is connected with the input end of the 485 bus interface; the output end of the 485 bus interface is connected with the The communication module is connected. the