Display system of forklift lithium battery system

Abstract

The utility model discloses a display system of a forklift lithium battery system, which belongs to the technical field of battery electric quantity display, and comprises an information acquisition module, an antenna module and an information display module, and the information acquisition module is connected with the antenna module; the information display module is connected with the antenna module; and the information acquisition module is connected with a battery management system (BMS). According to the display system of the forklift lithium battery system, the stability and the high efficiency of the information display effect of the forklift lithium battery system can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of battery power display, specifically, the utility model relates to a display system of forklift lithium battery system. BACKGROUND

[0002] With the increasing production of lithium battery forklift, higher requirements are put forward for the data display of forklift lithium battery system. In order to adapt to the use scene of different vehicle models under different working conditions, the data display of forklift lithium battery system gradually develops from original wired communication to wireless communication. Because the wireless display on the current market generally adopts the mode of Bluetooth communication, its transmission range is short, data transmission speed is slow, the number of connected devices is limited, and the pairing of the device also has certain problems.

[0003] In the patent CN212709045U, a kind of electric forklift lithium battery system is disclosed, which includes battery management module, relay module and lithium battery group;Power module and relay control circuit are provided on battery management module;The relay module includes pre-charging resistor, pre-charging relay, main positive relay and charging vehicle interlock relay, pre-charging resistor is connected with pre-charging relay, and pre-charging resistor and pre-charging relay are connected with main positive relay in parallel, relay control circuit is respectively connected with pre-charging relay main positive relay and charging vehicle interlock relay electrically, and charging vehicle interlock relay is interlocked with main positive relay;Lithium battery group is electrically connected with pre-charging resistor and main positive relay.

[0004] However, the technology disclosed in the above patent cannot improve the stability and efficiency of the information display effect of forklift lithium battery system. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is to provide a display system of forklift lithium battery system to improve the stability and efficiency of the information display effect of forklift lithium battery system.

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a display system of forklift lithium battery system, including information acquisition module, antenna module and information display module, information acquisition module is connected with antenna module;Information display module is connected with antenna module;Information acquisition module is connected with battery management system (BMS).

[0008] Further, the antenna module includes transmitting antenna and receiving antenna, the information acquisition module is connected with the transmitting antenna;The information display module is connected with the receiving antenna.

[0009] Further, the information collection module comprises a controller area network (CAN) bus chip, a first encoding chip, a first decoding chip and a controller area network (CAN) bus interface, the controller area network (CAN) bus chip is connected with the first encoding chip; the first encoding chip is connected with the first decoding chip; the controller area network (CAN) bus chip is connected with the battery management system (BMS) through the controller area network (CAN) bus interface.

[0010] Further, the information display module comprises a second encoding chip, a second decoding chip, a control chip, a display screen and a battery, the second encoding chip is connected with the second decoding chip; the second decoding chip is connected with the control chip; the control chip is connected with the display screen; an output end of the battery is connected with an input end of the display screen.

[0011] Further, the information collection module acquires the power information of the battery management system (BMS).

[0012] Further, the transmitting antenna sends the power information of the battery management system (BMS) to the information display module.

[0013] Further, the information display module receives, processes and displays the power information of the battery management system (BMS).

[0014] The display system of the forklift lithium battery system has the following advantages:

[0015] (1) The display system of the forklift lithium battery system can improve the stability and efficiency of the information display effect of the forklift lithium battery system.

[0016] (2) The display system of the forklift lithium battery system of the utility model has the advantages of simple design, good wireless communication effect, low cost and no influence of environmental factors.

[0017] (3) The information collection module in the utility model interacts with the battery management system (BMS) through the CAN communication mode, and has accuracy and stability.

[0018] (4) The power supply range of the information collection module in the utility model is 9V-36V wide voltage input, has a first program update interface, and can conveniently carry out program upgrading.

[0019] (5) The information collection module of the utility model supports overcurrent protection, overvoltage protection and reverse connection protection, can withstand positive and negative 15KV discharge static pulse, and can normally operate under the working condition that the environmental temperature is-20℃-55℃ and the environmental humidity is less than 85%, and is more stable.

[0020] (6) The information display module has a second program updating interface, supports flexible modification and configuration, and greatly improves the efficiency of debugging. BRIEF DESCRIPTION OF DRAWINGS

[0021] The present specification includes the following drawings, and the shown contents are respectively:

[0022] Figure 1 Is a kind of display system of the logic structure block diagram of the lithium battery system of fork truck of the utility model.

[0023] Mark explanation: 1, information acquisition module;2, antenna module;3, information display module. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model are further explained in detail by comparing with the drawings and the description of the embodiments, the purpose is to help the technical personnel in the art to have more complete, accurate and in-depth understanding of the conception and technical scheme of the utility model, and help its implementation.

[0025] Figure 1 Is a kind of display system of the logic structure block diagram of the lithium battery system of fork truck of the utility model, including information acquisition module 1, antenna module 2 and information display module 3, information acquisition module 1 is connected with antenna module 2;Information display module 3 is connected with antenna module 2;Information acquisition module 1 is connected with battery management system (BMS).Wherein, antenna module 2 includes transmitting antenna and receiving antenna, information acquisition module 1 is connected with transmitting antenna;Information display module 3 is connected with receiving antenna.In addition, information acquisition module 1 is fixed in the box body inside of fork truck lithium battery by screw.The design is simple, wireless communication effect is good, cost is low, and will not be influenced by environmental factors.

[0026] The information acquisition module 1 includes a Controller Area Network (CAN) bus chip, a first encoding chip, a first decoding chip, and a CAN bus interface. The CAN bus chip is connected to the first encoding chip; the first encoding chip is connected to the first decoding chip; and the CAN bus chip is connected to the Battery Management System (BMS) via the CAN bus interface. The information acquisition module 1 also includes a first power indicator, a first system normal operation indicator, a first data transmission indicator, a data reception indicator, a first factory reset button, a first program update interface, a first positive power supply terminal (recommended 24V input), and a first negative power supply terminal (recommended 24V input). The on / off status of the aforementioned indicator lights can be used to determine whether the information acquisition module 1 is operating normally. The aforementioned Controller Area Network (CAN) bus chip, first encoding chip, first decoding chip, CAN bus interface, first power indicator, first system normal operation indicator, first data transmission indicator, data reception indicator, first factory reset button, first program update interface, first positive power supply (recommended 24V input), and first negative power supply (recommended 24V input) are integrated on the same circuit board. Furthermore, the CAN bus interface includes CANH, CANL, and GND.

[0027] The information display module 3 includes a second encoding chip, a second decoding chip, a control chip, a display screen, and a battery. The second encoding chip is connected to the second decoding chip; the second decoding chip is connected to the control chip; the control chip is connected to the display screen; and the output terminal of the battery is connected to the input terminal of the display screen. The information display module 3 also includes a second power indicator, a second system normal operation indicator, a second data transmission indicator, a second factory reset button, a second positive power supply terminal (recommended 24V input), a second negative power supply terminal (recommended 24V input), a second program update interface, a screen-off / wake-up button, and a power switch. The on / off status of the aforementioned indicator lights can be used to determine whether the information display module 3 is operating normally. The second encoding chip, second decoding chip, control chip, display screen, battery, second power indicator, second system normal operation indicator, second data transmission indicator, second factory reset button, second positive power supply terminal (recommended 24V input), second negative power supply terminal (recommended 24V input), second program update interface, screen-off / wake-up button, and power switch are all integrated on the same circuit board.

[0028] The following is combined Figure 1 The working principle of the display system of the forklift lithium battery system of this utility model is introduced as follows:

[0029] In the system of the utility model, the information acquisition module 1 acquires the power information of the battery management system (BMS), and the power information of the battery management system (BMS) is sent to the information display module 3 by the transmitting antenna, and the information display module 3 receives, processes and displays the power information of the battery management system (BMS). Specifically, in the system of the utility model, the controller area network (CAN) bus chip interacts with the battery management system (BMS) through the controller area network (CAN) bus interface, and then the power information of the battery management system (BMS) is acquired, and after being encoded and decoded by the first encoding chip and the first decoding chip, the power information of the battery management system (BMS) is sent to the information display module 3 by the transmitting antenna, the receiving antenna receives the power information of the battery management system (BMS) sent by the transmitting antenna, and after being encoded and decoded by the second encoding chip and the second decoding chip, the information is sent to the control chip, and the control chip sends the encoded and decoded information to the display screen for display. That is, the stability and efficiency of the information display effect of the forklift lithium battery system can be improved, and the information acquisition module 1 interacts with the battery management system (BMS) through CAN communication, and has accuracy and stability.

[0030] In the embodiment, the power supply range of the information acquisition module 1 is 9V-36V wide voltage input, has a first program updating interface, and can conveniently carry out program upgrading. In addition, the information acquisition module 1 supports overcurrent protection, overvoltage protection, reverse connection protection, can withstand positive and negative 15KV discharge static pulse, can normally operate under the working condition that the environmental temperature is-20℃-55℃ and the environmental humidity is less than 85%, and is more stable. The information display module 3 has a second program updating interface, supports flexible modification and configuration, and greatly improves the debugging efficiency.

[0031] In the embodiment, the controller area network (CAN) bus chip can adopt SIT1040, the first encoding chip and the second encoding chip can adopt PT2262, the first decoding chip and the second decoding chip can adopt PT2272, the control chip can adopt STC89C52, the display screen can adopt 4-inch IPS color screen, and the battery can adopt 18650 battery.

[0032] Effects of the embodiment

[0033] The display system of the forklift lithium battery system comprises an information acquisition module 1, an antenna module 2 and an information display module 3, the information acquisition module 1 is connected with the antenna module 2, the information display module 3 is connected with the antenna module 2, and the information acquisition module 1 is connected with a battery management system (BMS). The antenna module 2 comprises a transmitting antenna and a receiving antenna, the information acquisition module 1 is connected with the transmitting antenna, and the information display module 3 is connected with the receiving antenna. In addition, the information acquisition module 1 is fixed in the box body of the forklift lithium battery by screws. The design is simple, the wireless communication effect is good, the cost is low, and the design is not affected by environmental factors.

[0034] The controller area network (CAN) bus chip is connected with the battery management system (BMS) through a controller area network (CAN) bus interface, so as to obtain the power information of the battery management system (BMS), and then the power information of the battery management system (BMS) is sent to the information display module 3 by the transmitting antenna after being encoded and decoded by the first encoding chip and the first decoding chip, the receiving antenna receives the power information of the battery management system (BMS) sent by the transmitting antenna, and then the power information of the battery management system (BMS) is sent to the control chip after being encoded and decoded by the second encoding chip and the second decoding chip, and the control chip sends the encoded and decoded information to the display screen for display. That is, the stability and efficiency of the information display effect of the forklift lithium battery system can be improved, and the information acquisition module 1 can interact with the battery management system (BMS) through CAN communication, so as to have accuracy and stability.

[0035] The power supply range of the information acquisition module 1 is 9V-36V wide voltage input, the information acquisition module 1 has a first program updating interface, and the program upgrade can be conveniently carried out. In addition, the information acquisition module 1 supports overcurrent protection, overvoltage protection and reverse connection protection, can withstand a positive and negative 15KV discharge static pulse, and can normally operate under the working condition that the environmental temperature is-20℃-55℃ and the environmental humidity is less than 85%, and is more stable. The information display module 3 has a second program updating interface, supports flexible modification and configuration, and greatly improves the debugging efficiency.

[0036] The above is an exemplary description of the present application with reference to the accompanying drawings. Obviously, the specific implementation of the present application is not limited to the above method. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the present application, or the above concept and technical scheme of the present application are directly applied to other occasions without improvement, they are all within the protection scope of the present application.

Claims

1. A display system for a forklift lithium battery system, the display system comprising: The application relates to a battery management system (BMS) information display device, which comprises an information collection module, an antenna module and an information display module, wherein the information collection module is connected with the antenna module; the information display module is connected with the antenna module; and the information collection module is connected with a battery management system (BMS).

2. A display system for a forklift lithium battery system as claimed in claim 1, wherein: The antenna module comprises a transmitting antenna and a receiving antenna, the information collection module is connected with the transmitting antenna; and the information display module is connected with the receiving antenna.

3. A display system for a forklift lithium battery system as claimed in claim 2, wherein: The information collection module comprises a controller area network (CAN) bus chip, a first encoding chip, a first decoding chip and a controller area network (CAN) bus interface, the controller area network (CAN) bus chip is connected with the first encoding chip; the first encoding chip is connected with the first decoding chip; and the controller area network (CAN) bus chip is connected with a battery management system (BMS) through the controller area network (CAN) bus interface.

4. A display system for a forklift lithium battery system as set forth in claim 2, wherein: The information display module comprises a second encoding chip, a second decoding chip, a control chip, a display screen and a battery, the second encoding chip is connected with the second decoding chip; the second decoding chip is connected with the control chip; the control chip is connected with the display screen; and the output end of the battery is connected with the input end of the display screen.

5. A display system for a forklift lithium battery system as described in claim 2, wherein: The information collection module acquires the power information of a battery management system (BMS).

6. A display system for a forklift lithium battery system as claimed in claim 5, wherein: The transmitting antenna sends the power information of a battery management system (BMS) to the information display module.

7. A display system for a forklift lithium battery system as claimed in claim 6, wherein: The information display module receives, processes and displays the power information of a battery management system (BMS).

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