A battery pack information display device and method
A technology for information display devices and battery packs, applied in transportation and packaging, electric vehicles, electrical testing/monitoring, etc., can solve problems such as increased product costs, high costs, and complicated development, and achieve cost savings, simple structure, and easy expansion Effect
Active Publication Date: 2022-05-31
ANHUI LVWO RECYCLING ENERGY TECHNOLOGY CO LTD
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Problems solved by technology
[0002] At present, many electric forklifts only have power display. Usually, the current battery power and fault status are determined by the number of LEDs on and off. Users cannot obtain detailed information about the battery status.
Some electric forklift battery packs that use LCD screens usually need to redevelop the BMS, use the BMS to drive the LCD screen to display battery information, and the software also needs to rewrite the display driver. The cost of the product is reduced, and there is no way to carry out secondary development of the software of BMS from different manufacturers, so the gradient utilization scenarios of BMS and power battery are limited
Some current LCD screens require program drivers to realize screen and text display, which is complicated to develop, with many hardware interfaces and high cost
Method used
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[0040] The voltage of the power supply 10 is 12V or 24V. Specifically, in general, the voltage of the power supply 10 used by this device is
[0041] The display method of the battery pack information display device 100 specifically includes the following steps:
[0042] S10: the single-chip microcomputer 40 is initialized;
[0048] S16: the controller 45 judges whether the alarm module 48 is set, and if so, executes step S17, otherwise returns to step S12;
[0049] S17: The controller 45 controls the alarm module 48 to give an alarm, and returns to step S12.
[0053] The step S11 includes: the second serial communication port 61 is initialized.
[0056] The present invention is not limited to the description in the specification and the embodiment, so it will be appreciated by those skilled in the art
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The invention discloses a battery pack information display device, comprising a power supply, a voltage conversion module, a CAN receiving circuit, a single-chip microcomputer, an interface conversion circuit and a serial port display; The receiving circuit, the single-chip microcomputer and the interface conversion circuit are connected, the serial port display is connected with the interface conversion circuit, the interface conversion circuit is connected with the single-chip microcomputer, the single-chip microcomputer is connected with the CAN receiving circuit, and the CAN receiving circuit is used to receive the CAN signal sent by the battery pack. The beneficial effects of the present invention are: the CAN signal is analyzed by the single-chip microcomputer, and the analyzed battery information data is transmitted to the serial port display screen for display, which can fully reflect the state information of the battery pack, without changing the hardware of the original battery pack, and avoiding redevelopment BMS, which saves costs, only analyzes CAN signals, and the program adopts modular design, which is simple in structure and easy to expand.
Description
A battery pack information display device and method 【Technical field】 [0001] The present invention relates to the technical field of batteries, and in particular, to a battery pack information display device and method. 【Background technique】 [0002] At present, many electric forklifts only have the power display, and the current battery power and In the fault state, the user cannot obtain detailed information about the battery state. There are some electric forklifts that utilize LCD screens Battery pack, usually need to re-develop BMS, use BMS to drive LCD screen to display battery information, software also needs Rewriting the display driver, re-developing the BMS for cascaded battery packs increases the product cost, and for There is no way for BMS of different manufacturers to carry out secondary development of its software, so it limits the gradient profit of BMS and power battery. use the scene. Some current LCD screens require program drivers to realize s...
Claims
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IPC IPC(8): G05B23/02
CPCG05B23/0213Y02T10/70
Inventor 李晶郭长寿
Owner ANHUI LVWO RECYCLING ENERGY TECHNOLOGY CO LTD
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