1. Introduction:

The charging and discharging aging system mainly includes PC software, USB hub, router, and aging instrument. The core lies in the aging instrument, the 32-bit ARM chip selected by the aging instrument master chip, which greatly improves the execution speed compared with the traditional single-chip microcomputer, and the measurement voltage and current precision are higher, and the data is transmitted through RS232 and the network.

• Performance

2.1 charging function

Constant current and constant voltage charging function

2.2 discharge function

Constant current discharge function

2.3 charge and discharge interface

It fully meets the requirements for charging and discharging the same port and charge and discharge ports of the battery pack, that is, 2 wires (P+ P-) and 3 wires (P+ P-C-). At the same time, it can aging the positive plate charging protection negative electrode board discharge protection power tool battery, (CH + P + P-).

2.4 Check voltage protection

By charging and discharging the battery, it is possible to detect whether the battery’s charging protection and discharge protection are effective.

2.5 Recording charge capacity and discharge capacity

The battery is charged and discharged, and the charging capacity and the discharging capacity of the battery are recorded.

2.6 Security Protection:

Anti-reverse protection function;

The upper and lower limits of the voltage are set to protect;

Safe discharge current protection (maximum current 10A);

2.7 serial connection mode

If the instrument is single or less than 10, it can be connected to the PC through the serial port, which greatly reduces the complexity of the instrument.

2.8 network connection mode

If the customer chooses more than 10 devices, the network connection mode can be adopted, so that the PC computer only needs to provide one network port to control the instruments within 254.

2.9 Control system

The software system of the aging instrument adopts the classic mature C/S mode. The communication mode includes serial port and network. The serial port can realize accurate communication of several instruments in short distance. The network can realize accurate communication of multiple instruments over long distances. Under one server, up to 254 instruments can be controlled, enabling unified operation of multiple instruments.

2.10 Management Software

Based on the Windows operation interface, the MYSQ database is used to store test data, which greatly facilitates the staff to query data and export data online. The battery bar code code, time, and device number can be used to view the charge and discharge aging curve, and the curve can be exported.

3. Parameter

4. Function

4.1 In network mode, it is automatically online and does not require manual connection.

4.2 Use MYSQL database to save data, to ensure that data will not be lost, provide measurement data check function.

4.3 A small number of instruments can communicate with the PC software through the serial port.

4.4 Multiple instruments can communicate with PC software by using the network, which reduces the computer interface. Only one network port is needed to control all instruments, ensuring the real-time and complete communication data.

4.5 The number of the instrument is displayed by the LED light, which can be intuitively queried to the position of the corresponding numbered instrument. The number can be modified by software, which reflects the flexibility of the instrument.

4.6 The instrument provides P+ and P- interfaces. It also provides CH+ and CH-. It can measure special finished batteries, and charge and discharge on one instrument.

4.7 The battery can be charged as long as it is in the tested range, avoiding the problem that the charger can only charge a specific model battery.