CN210957826U

CN210957826U - Battery charger circuit

Info

Publication number: CN210957826U
Application number: CN201921743790.7U
Authority: CN
Inventors: 袁靖嘉; 戴松青; 王凯平; 方旭; 吴绍鑫; 杨琪
Original assignee: Hangzhou Feishiao Medical Technology Co ltd
Current assignee: Hangzhou Feishiao Medical Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-07
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a battery charger circuit. The charging circuit comprises a TP4056 chip U1, a resistor R1, a resistor R2, a resistor R7, a resistor R8, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4. The utility model discloses can reach and charge when a plurality of batteries, charge to the concentration of battery and manage, reach centralized management, reduce dangerous purpose.

Description

Battery charger circuit

Technical Field

The utility model relates to a charger technical field especially relates to a battery charger circuit.

Background

Due to the continuous development of the technology and the increasing requirements of users, electronic devices are being developed in an integrated manner, and the functions of the electronic devices are also continuously enhanced and improved, which also promotes the rapid development of the battery technology and the related technologies such as battery charging and the like.

The phenomena of using disposable batteries and dry batteries generally exist in the application environment of hospitals, so that the environment pollution is caused, and meanwhile, the utilization rate and the charging efficiency of equipment are generally low. However, if rechargeable batteries are used, one charger often can only charge one battery, which is inconvenient for charging and inconvenient for centralized management of batteries.

Disclosure of Invention

The utility model provides a solve above-mentioned technical problem, provide a battery charger circuit, it can reach and charge when a plurality of batteries, charge to the concentration of battery and manage, reach centralized management, reduce dangerous purpose.

In order to solve the problem, the utility model discloses a following technical scheme realizes:

the utility model discloses a battery charger circuit, including power source and a plurality of battery charging module, battery charging module is including connecting interface, charging circuit and battery connector, charging circuit includes TP4056 chip U1, resistance R1, resistance R2, resistance R7, resistance R8, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, TP4056 chip U1's 7 feet and resistance R1 first end electricity are connected, resistance R1 second end is connected with the positive input end electricity of being connected the interface, the negative pole input ground connection of connecting the interface, TP4056 chip U1's 6 feet and resistance R7 first end electricity are connected, resistance R7 second end ground connection, TP4056 chip U1's 2 feet pass through resistance R9 ground connection, TP4056 chip U1's 0 feet ground connection, 4056 chip U1's 4 feet and TP4056 chip U1's 8 feet, electric capacity C2 first end, electric capacity C1 first end, resistance R6867 first end, resistance R8672 electricity is connected, 2 second end electricity is connected, The second end of the capacitor C1 is grounded, the first end of the resistor R2 is electrically connected with the positive input end of the connection interface, the 5 pin of the TP4056 chip U1 is electrically connected with the first end of the capacitor C3, the first end of the capacitor C4 and the positive input end of the battery connector, the 3 pin of the TP4056 chip U1 is electrically connected with the second end of the capacitor C3, the second end of the capacitor C4 and the negative input end of the battery connector are grounded, the positive input end of the connection interface is electrically connected with the positive input end of the power interface, and the negative input end of the connection interface is electrically connected with the negative input end of the power interface.

In the scheme, the power interface is used for connecting a power adapter, the power interface is connected with the connecting interface of each battery charging module, electric energy is transmitted through the connecting interface, and each battery is charged through the charging circuit.

The battery connector is used for connecting a battery. The corresponding battery connectors can be arranged according to the battery models, so that different requirements are met. A plurality of battery charging modules are cascaded to achieve the purpose of shunt power supply.

Preferably, the charging circuit further comprises a voltage regulator D1, a first end of the voltage regulator D1 is electrically connected with a first end of the resistor R1, and a second end of the voltage regulator D1 is grounded. The voltage regulator tube D1 has circuit protection function, protects the input voltage, and prevents the damage of the rear-stage circuit caused by power supply fluctuation or abnormity.

Preferably, the charging circuit further comprises a resistor R5 and a resistor R6, wherein a first end of the resistor R5 is grounded, a second end of the resistor R5 is electrically connected with a first end of the resistor R6, a pin 1 of the TP4056 chip U1 and a thermistor contact of the battery connector, and a second end of the resistor R6 is electrically connected with a first end of the resistor R1. The resistance values of the resistor R5 and the resistor R6 can be adjusted according to batteries protected at different temperatures, and the battery protection circuit is compatible with battery application at different temperatures.

Preferably, the charging circuit further comprises a resistor R3, a resistor R4, and a dual-color LED indicator, wherein a first positive electrode and a second positive electrode of the dual-color LED indicator are both electrically connected to a first end of the resistor R1, a first negative electrode of the dual-color LED indicator is electrically connected to a first end of the resistor R3, a second end of the resistor R3 is electrically connected to a pin 7 of the TP4056 chip U1, a second negative electrode of the dual-color LED indicator is electrically connected to a first end of the resistor R4, and a second end of the resistor R4 is electrically connected to a pin 6 of the TP4056 chip U1. The double-color LED indicating lamp has an indicating function, marks the state of the battery, and facilitates users to know the charging state of the battery at that time in time.

The utility model has the advantages that: the charging device can achieve simultaneous charging of a plurality of batteries, manage centralized charging of the batteries, and achieve the purposes of centralized management and danger reduction.

Drawings

Fig. 1 is a circuit schematic of an embodiment.

In the figure: 1. power interface, 2, connection interface, 3, charging circuit, 4, battery connector.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a battery charger circuit of this embodiment, as shown in fig. 1, includes a power interface 1 and a plurality of battery charging modules, where each battery charging module includes a connection interface 2, a charging circuit 3 and a battery connector 4, the charging circuit 3 includes a TP4056 chip U1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a voltage regulator D1, a two-color LED indicator, a pin 7 of the TP4056 chip U1 is electrically connected to a second end of the resistor R6342, a first end of the resistor R3 is electrically connected to a first negative electrode of the two-color LED indicator, a first positive electrode of the two-color LED indicator is electrically connected to a first end of the resistor R1, a second end of the resistor R1 is electrically connected to a positive electrode input end of the connection interface 2, a negative electrode input end of the connection interface 2 is grounded, a pin 4056 chip U5 is electrically connected to a second end of the resistor R58, the second end of the resistor R7 is grounded, the first end of the resistor R4 is electrically connected with the second cathode of the bicolor LED indicator, the second anode of the bicolor LED indicator is electrically connected with the first end of the resistor R1, the 2 pin of the TP4056 chip U1 is grounded through the resistor R8, the 0 pin of the TP4056 chip U1 is grounded, the 4 pin of the TP4056 chip U1 is electrically connected with the 8 pin of the TP4056 chip U1, the second end of the resistor R6, the first end of the capacitor C2, the first end of the capacitor C1, the second end of the resistor R2, the first end of the voltage regulator D1 and the first end of the resistor R1, the second end of the capacitor C635928, the second end of the voltage regulator D1 are grounded, the first end of the resistor R2 is electrically connected with the anode input end of the connection interface, the first end of the resistor R6 is electrically connected with the second end of the resistor R5, the pin of the TP 635928, the first end of the resistor R8656 is electrically connected with the thermistor contact of the TP 1, the first end of the battery connector 40865 and the first end of the, the pin 3 of the TP4056 chip U1 is grounded to the second terminal of the capacitor C3, the second terminal of the capacitor C4, and the negative input terminal of the battery connector 4, the positive input terminal of the connection interface 2 is electrically connected to the positive input terminal of the power interface 1, and the negative input terminal of the connection interface 2 is electrically connected to the negative input terminal of the power interface 1.

The voltage regulator tube D1 has circuit protection function, protects the input voltage, and prevents the damage of the rear-stage circuit caused by power supply fluctuation or abnormity. The resistance values of the resistor R5 and the resistor R6 can be adjusted according to batteries protected at different temperatures, and the battery protection circuit is compatible with battery application at different temperatures. The double-color LED indicating lamp has an indicating function, marks the state of the battery, and facilitates users to know the charging state of the battery at that time in time.

Claims

1. A battery charger circuit is characterized by comprising a power interface (1) and a plurality of battery charging modules, wherein each battery charging module comprises a connection interface (2), a charging circuit (3) and a battery connector (4), the charging circuit (3) comprises a TP4056 chip U1, a resistor R1, a resistor R2, a resistor R7, a resistor R8, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, a pin 7 of the TP4056 chip U1 is electrically connected with a first end of a resistor R1, a second end of the resistor R1 is electrically connected with a positive input end of the connection interface (2), a negative input end of the connection interface (2) is grounded, a pin 6 of the TP4056 chip U1 is electrically connected with a first end of the resistor R7, a second end of the resistor R7 is grounded, a pin 2 of the TP4056 chip U1 is grounded through a resistor R8, a pin 0 of the TP 4056U 1 is grounded, a pin 4056 of the chip 1 is grounded, a pin 404 of the TP chip U1 is electrically connected with a first end of the chip U56, a pin 585, a first, The second end of the resistor R2, the first end of the resistor R1 is electrically connected, the second end of the capacitor C2, the second end of the capacitor C1 is all grounded, the first end of the resistor R2 is electrically connected with the positive input end of the connection interface (2), the 5 pin of the TP4056 chip U1 is electrically connected with the first end of the capacitor C3, the first end of the capacitor C4 is electrically connected with the positive input end of the battery connector (4), the 3 pin of the TP4056 chip U1 is electrically connected with the second end of the capacitor C3, the second end of the capacitor C4 and the negative input end of the battery connector (4) are both grounded, the positive input end of the connection interface (2) is electrically connected with the positive input end of the power interface (1), and the negative input end of the connection interface (2) is electrically connected.

2. A battery charger circuit as claimed in claim 1, characterised in that the charging circuit (3) further comprises a voltage regulator D1, a first terminal of the voltage regulator D1 being electrically connected to a first terminal of the resistor R1, a second terminal of the voltage regulator D1 being connected to ground.

3. A battery charger circuit as claimed in claim 1 or 2, wherein said charging circuit (3) further comprises a resistor R5 and a resistor R6, wherein a first terminal of the resistor R5 is connected to ground, a second terminal of the resistor R5 is electrically connected to a first terminal of the resistor R6, pin 1 of the TP4056 chip U1 and a thermistor contact of the battery connector (4), and a second terminal of the resistor R6 is electrically connected to a first terminal of the resistor R1.

4. The battery charger circuit according to claim 1 or 2, wherein the charging circuit (3) further comprises a resistor R3, a resistor R4, and a dual-color LED indicator, wherein a first positive electrode and a second positive electrode of the dual-color LED indicator are electrically connected to a first terminal of a resistor R1, a first negative electrode of the dual-color LED indicator is electrically connected to a first terminal of a resistor R3, a second terminal of the resistor R3 is electrically connected to a pin 7 of the TP4056 chip U1, a second negative electrode of the dual-color LED indicator is electrically connected to a first terminal of a resistor R4, and a second terminal of the resistor R4 is electrically connected to a pin 6 of the TP4056 chip U1.