CN105490352A - Portable high-capacity non-parallel mobile power supply - Google Patents

Abstract

The invention relates to a portable large-capacity non-parallel mobile power supply, which includes a charging interface, a large-capacity lithium-ion battery module, a power switch, a high-rate lithium-ion battery pack, an inverter, a microcomputer controller and a power display; the output of the charging interface terminal is connected with the input terminal of the large-capacity lithium-ion battery module; the large-capacity lithium-ion battery module is connected with the power switch; the power switch is respectively connected with the high-rate lithium-ion battery pack, the inverter, the first converter, and the second converter ; The output end of the high-rate lithium-ion battery pack is connected to the input end of the high-current output circuit; the output end of the inverter is connected to the input end of the three-phase socket; the output end of the first converter is connected to the input end of the cigarette lighter The output end of the second converter is connected with the input point of the USB interface; the microcomputer controller is connected with the inverter, the first converter and the second converter respectively; the output end of the microcomputer controller is connected with the input end of the power display.

Description

A portable large-capacity non-parallel mobile power supply

technical field

The invention belongs to the technical field of mobile power supplies, in particular to a portable large-capacity non-parallel mobile power supply.

Background technique

With the continuous improvement of social living standards, people's demand for outdoor activities is increasing, and at the same time, the requirements for quality of life are also continuously improving. It is a requirement to be able to eat hot meals and drink hot water during outdoor activities, and open flames are prohibited in most of the outdoors. Therefore, electric heating has become an ideal choice.

With the continuous development of information technology and Internet technology, personal mobile terminals such as mobile phones, notebook computers, tablet computers, and digital cameras have become items that people carry with them, but the power consumption of these electrical appliances is also increasing. Therefore, portable power banks will surely become a necessity for outdoor activities. Due to its advantages of flexible mobility and the ability to provide DC and AC output, portable mobile power supplies can also play a very important role in field operations, disaster relief, fire rescue, emergency power supply and backup power supply.

Due to the advantages of high specific energy and environmental friendliness, lithium-ion battery modules have gradually replaced lead-acid battery modules in traditional portable mobile power supplies. At present, the vast majority of lithium-ion battery modules in large-capacity mobile power supplies are composed of small single cells connected in parallel. The parallel connected single cells cannot be monitored and managed in a timely and effective manner during use, which is likely to cause safety problems.

Contents of the invention

Purpose of the invention: The present invention makes improvements to the problems existing in the above-mentioned prior art, that is, the present invention discloses a portable large-capacity non-parallel mobile power supply.

Technical solution: a portable large-capacity non-parallel mobile power supply, including a charging interface, a large-capacity lithium-ion battery module, a power switch, a high-rate lithium-ion battery pack, an inverter, a first converter, a second converter, and a three-phase Socket, USB interface, cigarette lighter, microcomputer controller and power indicator;

The output end of the charging interface is connected with the input end of the high-capacity lithium-ion battery module;

The large-capacity lithium-ion battery module is connected to the power switch;

The power switch is respectively connected with the high-rate lithium-ion battery pack, the inverter, the first converter, and the second converter;

The output end of the high-rate lithium-ion battery pack is connected to the input end of the high-current output circuit;

The output end of the inverter is connected to the input end of the three-phase socket;

The output end of the first converter is connected with the input end of the cigarette lighter;

The output end of the second converter is connected with the input point of the USB interface;

The microcomputer controller is respectively connected with the inverter, the first converter and the second converter;

The output end of the microcomputer controller is connected with the input end of the electric quantity display.

As a preferred solution of a portable large-capacity non-parallel mobile power supply in the present invention: the high-capacity lithium-ion battery module is composed of a large-capacity polymer lithium-ion battery pack and a monitoring system,

The high-capacity polymer lithium-ion battery pack is composed of a plurality of 50-500AH monomer high-capacity polymer lithium-ion batteries connected in series, and the outer surfaces of the monomer high-capacity polymer lithium-ion batteries are covered with heat-conducting plates.

The monitoring system includes a plurality of voltage sensors, at least one current sensor, a plurality of temperature sensors, a data collector, a master controller and an equalizer,

The current sensor is connected in series with the monomer high-capacity polymer lithium-ion battery,

Each single high-capacity polymer lithium-ion battery is connected in parallel with a voltage sensor,

The positive tab of each single high-capacity polymer lithium-ion battery is connected to a temperature sensor,

The current sensor, the voltage sensor, and the temperature sensor are connected to the data collector;

The data collector is connected with the main controller;

The main controller is connected to the equalizer;

The equalizers are respectively connected with all monomer high-capacity polymer lithium ion batteries.

Further, the heat conducting plate is one of aluminum plate, aluminum alloy plate, graphite plate and carbon plate.

As a preferred solution of a portable large-capacity non-parallel mobile power supply in the present invention: the high-rate lithium-ion battery pack is composed of three high-rate lithium-ion batteries connected in series.

As a preferred solution of a portable large-capacity non-parallel mobile power supply in the present invention: the high-current output circuit is a 12V high-current output circuit.

As a preferred solution of a portable large-capacity non-parallel mobile power supply in the present invention: the inverter is a DC-AC220V inverter.

As a preferred solution of a portable large-capacity non-parallel mobile power supply in the present invention: the first converter is a DC-DC12V converter.

As a preferred solution of a portable large-capacity non-parallel mobile power supply in the present invention: the second converter is a DC-DC5V converter.

As a preferred solution of a portable large-capacity non-parallel mobile power supply in the present invention: the power indicator is a liquid crystal display.

Beneficial effects: a portable large-capacity non-parallel mobile power supply disclosed by the present invention has the following beneficial effects:

1. The large-capacity lithium-ion battery module in the portable large-capacity non-parallel mobile power supply is composed of single large-capacity polymer lithium-ion batteries connected in series. During use, the working state of each large-capacity polymer lithium-ion battery is It can be monitored in real time to ensure the safety and reliability of the mobile power supply;

2. It can be widely used in outdoor activities, field operations, disaster relief, fire rescue, emergency power supply and other occasions.

Description of drawings

Figure 1 is a schematic diagram of the working principle of a portable large-capacity non-parallel mobile power supply disclosed by the present invention

in:

1-Charging interface 2-Large-capacity lithium-ion battery module

3-Power switch 4-High rate lithium-ion battery pack

5-High current output circuit 6-Inverter

7-First Converter 8-Second Converter

9-USB interface 10-cigarette lighter

11-Three-phase socket 12-Microcomputer controller

13-Battery indicator

detailed description:

Specific embodiments of the present invention will be described in detail below.

Specific embodiment 1

As shown in Figure 1, a portable large-capacity non-parallel mobile power supply includes a charging interface 1, a large-capacity lithium-ion battery module 2, a power switch 3, a high-rate lithium-ion battery pack 4, an inverter 6, and a first converter 7. Second converter 8, three-phase socket 11, USB interface, cigarette lighter, microcomputer controller 12 and power indicator 13;

The output end of the charging interface 1 is connected to the input end of the high-capacity lithium-ion battery module 2;

The large-capacity lithium-ion battery module 2 is connected to the power switch 3;

The power switch 3 is respectively connected with the high-rate lithium-ion battery pack 4, the inverter 6, the first converter 7, and the second converter 8;

The output end of the high rate lithium ion battery pack 4 is connected with the input end of the high current output circuit 5;

The output end of inverter 6 is connected with the input end of three-phase socket 11;

The output end of the first converter 7 is connected with the input end of the cigarette lighter;

The output end of the second converter 8 is connected with the input point of the USB interface;

The microcomputer controller 12 is connected with the inverter 6, the first converter 7 and the second converter 8 respectively;

The output terminal of the microcomputer controller 12 is connected with the input terminal of the power indicator 13 .

Further, the high-capacity lithium-ion battery module 2 is composed of a high-capacity polymer lithium-ion battery pack and a monitoring system,

The large-capacity polymer lithium-ion battery pack is composed of multiple 50AH monomer high-capacity polymer lithium-ion batteries connected in series.

a monitoring system comprising a plurality of voltage sensors, at least one current sensor, a plurality of temperature sensors, a data logger, a master controller and an equalizer,

The current sensor is connected in series with the single high-capacity polymer lithium-ion battery,

Each single high-capacity polymer lithium-ion battery is connected in parallel with a voltage sensor (each single high-capacity polymer lithium-ion battery corresponds to a voltage sensor),

The positive tab of each single high-capacity polymer lithium-ion battery is connected to a temperature sensor (each single high-capacity polymer lithium-ion battery corresponds to a temperature sensor),

The current sensor, voltage sensor and temperature sensor are connected to the data collector;

The data collector is connected with the main controller;

The main controller is connected with the equalizer;

The equalizer is respectively connected with all monomer high-capacity polymer lithium-ion batteries.

The current sensor is connected in series on the high-capacity polymer lithium-ion battery pack, the voltage sensor is connected in parallel on each battery, and the temperature sensor is installed on the positive pole ear of each single high-capacity polymer lithium-ion battery for real-time monitoring of the battery pack. The voltage, current and temperature changes of each single battery. The data collector collects the detection data of the sensor (voltage, current and temperature), and uploads the data signal to the main controller. After the main controller organizes and analyzes the data signal, it transmits the relevant information to the equalizer. After receiving the feedback signal from the main controller, the equalizer connected to the single battery plays an equalizing role on the battery pack to ensure the safety and stability of the mobile power supply.

Further, the heat conduction plate is an aluminum plate.

Further, the high-rate lithium-ion battery pack 4 is composed of three high-rate lithium-ion batteries connected in series.

Further, the large current output circuit 5 is a 12V high current output circuit.

Further, the inverter 6 is a DC-AC220V inverter.

Further, the first converter 7 is a DC-DC12V converter.

Further, the second converter 8 is a DC-DC5V converter.

Further, the power indicator 13 is a liquid crystal display.

Specific embodiment 2

Roughly the same as specific embodiment 1, the difference only lies in:

The large-capacity polymer lithium-ion battery pack is composed of multiple 500AH monomer high-capacity polymer lithium-ion batteries connected in series, and the outer surfaces of the single high-capacity polymer lithium-ion batteries are covered with aluminum alloy plates.

Specific embodiment 3

Roughly the same as specific embodiment 1, the difference only lies in:

The large-capacity polymer lithium-ion battery pack is composed of multiple 400AH monomer high-capacity polymer lithium-ion batteries connected in series, and the outer surface of the monomer high-capacity polymer lithium-ion batteries is covered with graphite plates.

Specific embodiment 4

Roughly the same as specific embodiment 1, the difference only lies in:

The large-capacity polymer lithium-ion battery pack is composed of multiple 100AH monomer high-capacity polymer lithium-ion batteries connected in series, and the outer surface of the monomer high-capacity polymer lithium-ion batteries is covered with carbon plates.

The embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above-mentioned embodiments, and various changes can be made within the scope of knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (9)

1. A portable large-capacity non-parallel mobile power supply, characterized in that it includes a charging interface, a large-capacity lithium-ion battery module, a power switch, a high-rate lithium-ion battery pack, an inverter, a first converter, and a second converter , three-phase socket, USB interface, cigarette lighter, microcomputer controller and power display; The output end of the charging interface is connected with the input end of the high-capacity lithium-ion battery module; The large-capacity lithium-ion battery module is connected to the power switch; The power switch is respectively connected with the high-rate lithium-ion battery pack, the inverter, the first converter, and the second converter; The output end of the high-rate lithium-ion battery pack is connected to the input end of the high-current output circuit; The output end of the inverter is connected to the input end of the three-phase socket; The output end of the first converter is connected with the input end of the cigarette lighter; The output end of the second converter is connected with the input point of the USB interface; The microcomputer controller is respectively connected with the inverter, the first converter and the second converter; The output end of the microcomputer controller is connected with the input end of the electric quantity display. 2. A kind of portable large-capacity non-parallel mobile power supply according to claim 1, characterized in that, the high-capacity lithium-ion battery module is made up of a large-capacity polymer lithium-ion battery pack and a monitoring system, The high-capacity polymer lithium-ion battery pack is composed of a plurality of 50-500AH monomer high-capacity polymer lithium-ion batteries connected in series, and the outer surfaces of the monomer high-capacity polymer lithium-ion batteries are covered with heat-conducting plates. The monitoring system includes a plurality of voltage sensors, at least one current sensor, a plurality of temperature sensors, a data collector, a master controller and an equalizer, The current sensor is connected in series with the monomer high-capacity polymer lithium-ion battery, Each single high-capacity polymer lithium-ion battery is connected in parallel with a voltage sensor, The positive tab of each single high-capacity polymer lithium-ion battery is connected to a temperature sensor, The current sensor, the voltage sensor, and the temperature sensor are connected to the data collector; The data collector is connected with the main controller; The main controller is connected to the equalizer; The equalizers are respectively connected with all monomer high-capacity polymer lithium ion batteries. 3. A portable large-capacity non-parallel mobile power supply according to claim 2, wherein the heat conducting plate is one of an aluminum plate, an aluminum alloy plate, a graphite plate and a carbon plate. 4. A portable large-capacity non-parallel mobile power supply according to claim 1, wherein the high-rate lithium-ion battery pack is composed of three high-rate lithium-ion batteries connected in series. 5. A portable large-capacity non-parallel mobile power supply according to claim 1, wherein the high-current output circuit is a 12V high-current output circuit. 6. A portable large-capacity non-parallel mobile power supply according to claim 1, wherein the inverter is a DC-AC220V inverter. 7. A portable large-capacity non-parallel mobile power supply according to claim 1, wherein the first converter is a DC-DC12V converter. 8. A portable large-capacity non-parallel mobile power supply according to claim 1, wherein the second converter is a DC-DC5V converter. 9. A portable large-capacity non-parallel mobile power supply according to claim 1, wherein the power display is a liquid crystal display.