CN107612086A - A kind of single delivery outlet voltage in several modes adaptive charger - Google Patents

Abstract

The invention discloses a multiple output voltage self-adaptive charger with a single output port, which comprises a charger body and a number of transfer wires with built-in different voltage identification chips. The charger body is provided with a power supply, a voltage conversion unit, and a voltage adjustment module. . An output interface and an output port control unit, the output port control unit is provided with a voltage identification module for identifying the voltage identification chip on the transfer line. In the present invention, the voltage identification chip is built in the adapter cord, and the voltage identification chips in different adapter cords are different. After the charger body is connected to the adapter cord, it will automatically identify the voltage identification chip in the adapter cord, thereby outputting a corresponding voltage. , The voltage conversion process is all completed in the charger body, and the adapter wire is only used to realize the voltage demand communication identification and interface matching conversion. Compared with the traditional circuit, the power loss is smaller, the voltage conversion efficiency is higher, and the energy consumption is lower.

Description

A Single Output Port Multiple Output Voltage Adaptive Charger

technical field

The invention relates to the field of charging equipment, in particular to an adaptive charger with multiple output voltages at a single output port.

Background technique

With the advancement of science and technology and society, more and more mobile terminals such as portable notebook computers, tablet computers, and smart phones have been popularized in people's lives. Do not open these constantly updated mobile terminals. However, the limited size of the mobile terminal makes its built-in battery capacity limited, and people's life rhythm is getting faster and faster, so an excellent solution is needed to solve the problems of battery life and fast charging. This is why current power banks and portable chargers are used in large quantities.

However, a fact is: a person or a family, or even a small group traveling together, they will have multiple mobile terminal devices (including laptops), and the voltage required for charging each mobile device will be different. Different laptops The charging input sockets are also basically different. In this way, in the current situation, a person needs to bring multiple chargers or mobile power banks for different applications to charge different devices.

Contents of the invention

Aiming at the above-mentioned defects in the prior art, the present invention provides an adaptive charger with multiple output voltages at a single output port. You can use a charger and connect different adapter cables to output different voltages to charge suitable devices.

To achieve the above object, the technical solution adopted in the present invention is:

A multiple output voltage self-adaptive charger with a single output port, which includes a charger body and several transfer cables with built-in different voltage identification chips. The charger body is equipped with a power supply, a voltage conversion unit, a voltage adjustment module, an output Interface and output port control unit, the output port control unit is provided with an identification module for identifying the voltage of the voltage identification chip on the transfer line, the voltage conversion unit is connected to the power supply, the voltage adjustment module is connected to the voltage conversion unit, the The output port control unit is connected to the output interface, the voltage conversion unit is connected to the output port control unit, the output port control unit is connected to the output voltage adjustment module, and the transfer line is provided with a standard input plug for connecting with the output interface and for The output plug is connected to the charging device, and the voltage identification chip is electrically connected to the standard input plug.

In the above description, preferably, the power source is a battery pack or an external power source.

In the above description, preferably, after the voltage identification chip is connected with the charger, the voltage identification module communicates with the voltage identification chip to identify the required output voltage.

In the above description, preferably, the voltage conversion unit is connected to the output interface through a voltage control switch, and the voltage control switch is connected to the output port control unit.

The beneficial effects produced by the present invention are as follows: in the present invention, the charger body and several adapter wires are included. The voltage identification chips are built in the adapter wires. The voltage identification chips in different adapter wires are different. After the charger body is connected to the adapter wires, it will automatically Identify the voltage identification chip in the adapter cable, so as to output the corresponding voltage. In this design, the voltage conversion process is all completed in the charger body, and the adapter cable only realizes the function of voltage demand communication identification and interface matching conversion. Compared with the traditional The power loss is smaller, the voltage conversion efficiency is higher, and the energy consumption is lower; when you go out, you only need to carry a charger and multiple transfer cables. When different electronic devices need to be charged, you only need to replace the corresponding transfer cables. It outputs different voltages for charging, which is very convenient to use.

In order to more clearly illustrate the structural features, technical means and the specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings

Fig. 1: is the system structural diagram of the present invention;

Description of drawings: 10-charger body, 11-power supply, 12-voltage conversion unit, 13-voltage adjustment module, 14-voltage control switch, 15-output port control unit, 16-output interface, 17-voltage identification module , 20, 30-transfer wire, 21-standard input plug, 22-output plug, 23-voltage identification chip.

detailed description

As shown in FIG. 1 , a multi-output voltage adaptive charger with a single output port includes a charger body 10 and several adapter cables 20 with built-in different voltage identification chips 23 . Wherein, the charger body 10 is provided with a power supply 11, a voltage conversion unit 12, a voltage adjustment module 13, a voltage control switch 14, an output interface 16 and an output port control unit 15, and the output port control unit 15 is provided with a The voltage identification module 17 for the voltage of the voltage identification chip 23 on the adapter line, the voltage conversion unit 12 is connected to the power supply 11, the voltage conversion unit 12 is used to convert the voltage required by the charged device, and the voltage adjustment module 13 is connected to the voltage conversion Unit 12, the voltage adjustment module 13 is used to provide power to the output port control unit 15 inside the charger and the voltage identification chip 23 of the adapter line 20, the voltage conversion unit 12 and the output interface 16 are connected through a voltage control switch 14, The output port control unit 15 is connected to the output port 16, the voltage conversion unit 12 is connected to the output port control unit 15, the voltage adjustment module 13 is connected to the output port control unit 15, and the adapter line 20 is provided for connecting with the output port 16 The connected standard input plug 21 is connected with the output plug 22 for connecting with the charging device, and the voltage identification chip 23 is electrically connected with the standard input plug 21 . The power supply 10 may be a built-in battery pack, may be an external alternating current, or may be a power output from a car's cigarette lighter. The voltage identification chip 23 , after the adapter cable 20 is connected to the charger body 10 , the voltage identification module 17 communicates with the voltage identification chip 23 to identify the required output voltage. The output interface 16 is electrically connected to the corresponding standard input plug 21 .

According to the technical principle of the present invention, at the charger end, when the AC power supply or the battery pack is turned on, the voltage adjustment module 13 will generate a group of communication voltages, which provide power to the output port control unit 15 and the output interface 16; Before the wiring 20 is inserted into the output interface 16, the voltage conversion unit 12 is in a standby state. At this time, its output DC voltage is 5V, and the voltage control switch 14 is in a closed state. At this time, the charger power output of the output interface 16 is closed. There is no charging voltage output, only one set is used for communication identification voltage output (~3.3V-5V).

After the adapter cord 20 is inserted into the output interface 16, the output port control unit 15 communicates with the voltage identification chip 23 in the adapter cord 20 through the voltage identification module 17, and the voltage identification chip 23 provides the output port control unit 15 with the voltage required by the relevant charging equipment. and current information, then, the output port control unit 15 controls the voltage conversion unit 12 to output the required voltage, and opens the voltage control switch 14, and outputs the current and voltage to the transfer line. When the output plug 22 of the transfer line 20 is connected to the device, correct charging can be achieved.

The present invention includes a charger body and a number of adapter wires. The voltage identification chips are built in the adapter wires. The voltage identification chips in different adapter wires are different. Corresponding voltage, in this design, the voltage conversion process is all completed in the charger body, the transfer wire is only to realize the function of voltage demand communication identification and interface matching conversion, compared with the traditional circuit, the power loss is smaller, and the voltage conversion efficiency Higher, lower energy consumption; when you go out, you only need to carry a charger and multiple adapter cables. When different electronic devices need to be charged, you only need to replace the corresponding adapter cables to output different voltages for charging, which is very convenient to use.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments according to the technology of the present invention still belong to the present invention within the scope of the technical program.

Claims (4)

1. A multiple output voltage self-adaptive charger with a single output port, characterized in that it includes a charger body and several adapter wires with built-in different voltage identification chips, the charger body is provided with a power supply, a voltage conversion unit, a voltage An adjustment module, an output interface and an output port control unit, the output port control unit is provided with a voltage identification module for identifying the voltage identification chip on the transfer line, the voltage conversion unit is connected to the power supply, and the voltage adjustment module is connected to the voltage conversion unit , the output port control unit is connected to the output interface, the voltage conversion unit is connected to the output port control unit, the output port control unit is connected to the voltage adjustment module, and the transfer line is provided with a standard input plug for connecting with the output interface and The output plug is used to connect with the charging equipment, and the voltage identification chip is electrically connected with the standard input plug. 2. The multiple output voltage adaptive charger with a single output port according to claim 1, wherein the power supply is a battery pack or an external power supply. 3. The self-adaptive charger with multiple output voltages at a single output port according to claim 1, characterized in that: after the voltage identification chip is connected to the charger, the voltage identification module communicates with the voltage identification chip , to identify the desired output voltage. 4. The multi-output voltage adaptive charger with a single output port according to claim 1, characterized in that: the voltage conversion unit and the output interface are connected through a voltage control switch, and the voltage control switch and the output port control unit connection.