Protective plate for 72V light electric motorcycle

Abstract

The utility model relates to a protection plate for a 72V light electric motorcycle, which belongs to the technical field of battery management and comprises an information processing unit, a battery voltage acquisition unit, a current acquisition unit, a temperature acquisition unit, a discharge control unit and a charge control unit. The battery voltage acquisition unit, the current acquisition unit, the temperature acquisition unit, the discharge control unit and the charge control unit are all electrically connected with the information processing unit, and the information processing unit comprises a first battery management chip and a second battery management chip. An SCLK pin, an SDATA pin, a ZEDE pin and an EEPROM pin of the first battery management chip are respectively connected with a first wiring terminal, a second wiring terminal, a fourth wiring terminal and a fifth wiring terminal of a connecting plug J3; and an SCLK pin, an SDATA pin, a GND pin, a ZEDE pin and an EEPROM pin of the second battery management chip are respectively connected with a first wiring terminal, a second wiring terminal, a third wiring terminal, a fourth wiring terminal and a fifth wiring terminal of the connecting plug J4.

Description

Technical Field

[0001] The utility model relates to the technical field of battery management, in particular to a protection plate for a 72V light electric motorcycle. Background Art

[0002] The BMS battery system is commonly known as a battery nanny or battery steward. It is mainly used to intelligently manage and maintain each battery unit, monitor the status of the battery, prevent the battery from being overcharged and over-discharged, and extend the battery life. The BMS battery management system unit includes a BMS battery management system, a control module, a display module, a wireless communication module, electrical equipment, a battery pack for powering the electrical equipment, and a collection module for collecting battery information of the battery pack. The BMS battery management system is connected to the wireless communication module and the display module through a communication interface, and the output end of the collection module is connected to the input end of the BMS battery management system. The output end of the BMS battery management system is connected to the input end of the control module. The control module is connected to the battery pack and the electrical equipment respectively. The BMS battery management system is connected to the Server server through a wireless communication module. However, in the prior art, there is a lack of a battery management system dedicated to light electric motorcycles, so a battery management system protection board for 72V light electric motorcycles is needed. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a protection plate for a 72V light electric motorcycle, which can meet the use of a 72V light electric motorcycle.

[0004] In order to achieve the above-mentioned purpose of the utility model, the utility model provides a 72V light electric motorcycle protection board, including an information processing unit, a battery voltage acquisition unit, a current acquisition unit, a temperature acquisition unit, a discharge control unit and a charging control unit, the battery voltage acquisition unit, the current acquisition unit, the temperature acquisition unit, the discharge control unit, and the charging control unit are all electrically connected to the information processing unit, the information processing unit includes a first battery management chip and a second battery management chip, the SCLK pin, SDATA pin, ZEDE pin, and EEPROM pin of the first battery management chip are respectively connected to the first terminal, the second terminal, the fourth terminal, and the fifth terminal of the plug connector J3, the SCLK pin, SDATA pin, GND pin, ZEDE pin, and EEPROM pin of the second battery management chip are respectively connected to the first terminal, the second terminal, the third terminal, the fourth terminal, and the fifth terminal of the plug connector J4, and the plug connector J3 and the plug connector J4 are both connected to the MCU chip.

[0005] Further, the battery voltage acquisition unit includes a plug connector J1, the VC1 pin, VC2 pin, VC3 pin, VC4 pin, and VC5 pin of the first battery management chip are respectively connected to the first terminal, the second terminal, the third terminal, the fourth terminal, and the fifth terminal of the plug connector J1, the VC6 pin, VC7 pin, VC8 pin, VC9 pin, and VC10 pin of the first battery management chip are respectively connected to the sixth terminal, the seventh terminal, the eighth terminal, the ninth terminal, and the tenth terminal of the plug connector J1, a resistor R11 is provided on the connection line between the VC1 pin of the first battery management chip and the first terminal of the plug connector J1, a resistor R10 is provided on the connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1, and the VC3 pin of the first battery management chip is connected to the third terminal of the plug connector J1. A resistor R9 is provided on the connecting line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1, a resistor R8 is provided on the connecting line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, a resistor R7 is provided on the connecting line between the VC6 pin of the first battery management chip and the sixth terminal of the plug connector J1, a resistor R6 is provided on the connecting line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1, a resistor R5 is provided on the connecting line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1, a resistor R4 is provided on the connecting line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1, and a resistor R2 is provided on the connecting line between the VC10 pin of the first battery management chip and the tenth terminal of the plug connector J1.

[0006] Further, a capacitor C10 is provided between a connection line between the VC1 pin of the first battery management chip and the first terminal of the plug connector J1 and a connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1, a capacitor C9 is provided between a connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1 and a connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1, a capacitor C8 is provided between a connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1 and a connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1, a capacitor C7 is provided between a connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1 and a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, a capacitor C8 is provided between a connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1 and a capacitor C7 is provided between a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, a capacitor C8 is provided between a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1 A capacitor C6 is provided between the connection line between the VC6 pin of the first battery management chip and the sixth terminal of the plug connector J1, a capacitor C5 is provided between the connection line between the VC6 pin of the first battery management chip and the sixth terminal of the plug connector J1 and the connection line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1, a capacitor C4 is provided between the connection line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1 and the connection line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1, a capacitor C3 is provided between the connection line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1 and the connection line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1, and a capacitor C2 is provided between the connection line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1 and the connection line between the VC10 pin of the first battery management chip and the tenth terminal of the plug connector J1.

[0007] Furthermore, the DPCKN pin of the first battery management chip is connected to the DPCKN pin of the second battery management chip.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] Through settings including information processing unit and battery voltage collection unit, it can meet the voltage collection of more than 10 groups of battery cells and meet the use of 72V light electric motorcycles. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 A circuit diagram of the first battery management chip of the utility model connected with the connector J1 and the connector J3;

[0011] Figure 2 A circuit diagram of the first battery management chip of the utility model connected to the connector J1;

[0012] Figure 3 A circuit diagram of the first battery management chip of the utility model connected with the connector J2 and the connector J4;

[0013] Figure 4 This is a circuit diagram of the utility model in which a current acquisition unit, a temperature acquisition unit, a discharge control unit, a charge control unit and a first battery management chip are connected. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described in conjunction with the drawings of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The embodiment of the utility model is described below in conjunction with the drawings.

[0015] refer to Figure 1-4 , the 72V light electric motorcycle protection board includes an information processing unit, a battery voltage acquisition unit, a current acquisition unit, a temperature acquisition unit, a discharge control unit and a charging control unit. The battery voltage acquisition unit, the current acquisition unit, the temperature acquisition unit, the discharge control unit and the charging control unit are all electrically connected to the information processing unit. The information processing unit includes a first battery management chip and a second battery management chip. The SCLK pin, SDATA pin, ZEDE pin and EEPROM pin of the first battery management chip are respectively connected to the first terminal, the second terminal, the fourth terminal and the fifth terminal of the plug connector J3. The SCLK pin, SDATA pin, GND pin, ZEDE pin and EEPROM pin of the second battery management chip are respectively connected to the first terminal, the second terminal, the third terminal, the fourth terminal and the fifth terminal of the plug connector J4. The plug connector J3 and the plug connector J4 are both connected to the MCU chip;

[0016] The battery voltage acquisition unit includes a plug connector J1, wherein the VC1 pin, VC2 pin, VC3 pin, VC4 pin, and VC5 pin of the first battery management chip are respectively connected to the first terminal, the second terminal, the third terminal, the fourth terminal, and the fifth terminal of the plug connector J1, and the VC6 pin, VC7 pin, VC8 pin, VC9 pin, and VC10 pin of the first battery management chip are respectively connected to the sixth terminal, the seventh terminal, the eighth terminal, the ninth terminal, and the tenth terminal of the plug connector J1, and a resistor R11 is provided on the connection line between the VC1 pin of the first battery management chip and the first terminal of the plug connector J1, a resistor R10 is provided on the connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1, and a resistor R11 is provided on the connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1. A resistor R9 is provided on the connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1, a resistor R8 is provided on the connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, a resistor R7 is provided on the connection line between the VC6 pin of the first battery management chip and the sixth terminal of the plug connector J1, a resistor R6 is provided on the connection line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1, a resistor R5 is provided on the connection line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1, a resistor R4 is provided on the connection line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1, and a resistor R3 is provided on the connection line between the VC10 pin of the first battery management chip and the tenth terminal of the plug connector J1;

[0017] A capacitor C10 is provided between a connection line between the VC1 pin of the first battery management chip and the first terminal of the plug connector J1 and a connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1, a capacitor C9 is provided between a connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1 and a connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1, a capacitor C8 is provided between a connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1 and a connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1, a capacitor C7 is provided between a connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1 and a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, a capacitor C8 is provided between a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, and a capacitor C9 is provided between a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1. A capacitor C6 is provided between the connection line between the VC6 pin of the battery management chip and the sixth terminal of the plug connector J1, a capacitor C5 is provided between the connection line between the VC6 pin of the first battery management chip and the sixth terminal of the plug connector J1 and the connection line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1, a capacitor C4 is provided between the connection line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1 and the connection line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1, a capacitor C3 is provided between the connection line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1 and the connection line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1, and a capacitor C2 is provided between the connection line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1 and the connection line between the VC10 pin of the first battery management chip and the tenth terminal of the plug connector J1;

[0018] The battery voltage collection unit also includes a plug connector J2. Accordingly, the connection method between the second battery management chip and the plug connector J2 is similar to the connection method between the first battery management chip and the plug connector J1. The voltage of the battery cell is collected by connecting the VC pin of the second battery management chip to the plug connector J2.

[0019] The DPCKN pin of the first battery management chip is connected to the DPCKN pin of the second battery management chip;

[0020] Through settings including information processing unit and battery voltage collection unit, it can meet the voltage collection of more than 10 groups of battery cells and meet the use of 72V light electric motorcycles.

[0021] The above describes the technical solution of the utility model in combination with specific implementation methods, but it should be noted that the above descriptions are only for explaining the solution of the utility model and cannot be interpreted as a specific limitation on the protection scope of the utility model in any way. Based on the explanation here, technicians in this field can think of other specific implementation methods or equivalent replacements of the utility model without creative work, which will fall within the protection scope of the utility model.

Claims

1. A 72V light electric motorcycle protection plate, characterized in that: It includes an information processing unit, a battery voltage acquisition unit, a current acquisition unit, a temperature acquisition unit, a discharge control unit and a charging control unit. The battery voltage acquisition unit, the current acquisition unit, the temperature acquisition unit, the discharge control unit and the charging control unit are all electrically connected to the information processing unit. The information processing unit includes a first battery management chip and a second battery management chip. The SCLK pin, SDATA pin, ZEDE pin and EEPROM pin of the first battery management chip are respectively connected to the first terminal, the second terminal, the fourth terminal and the fifth terminal of the plug connector J3. The SCLK pin, SDATA pin, GND pin, ZEDE pin and EEPROM pin of the second battery management chip are respectively connected to the first terminal, the second terminal, the third terminal, the fourth terminal and the fifth terminal of the plug connector J4. The plug connector J3 and the plug connector J4 are both connected to the MCU chip.

2. The 72V light electric motorcycle protection plate according to claim 1, characterized in that: The battery voltage acquisition unit includes a plug connector J1, the VC1 pin, VC2 pin, VC3 pin, VC4 pin, and VC5 pin of the first battery management chip are respectively connected to the first terminal, the second terminal, the third terminal, the fourth terminal, and the fifth terminal of the plug connector J1, the VC6 pin, VC7 pin, VC8 pin, VC9 pin, and VC10 pin of the first battery management chip are respectively connected to the sixth terminal, the seventh terminal, the eighth terminal, the ninth terminal, and the tenth terminal of the plug connector J1, a resistor R11 is provided on the connection line between the VC1 pin of the first battery management chip and the first terminal of the plug connector J1, a resistor R10 is provided on the connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1, and a resistor R11 is provided on the connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1. A resistor R9 is provided on the line, a resistor R8 is provided on the line connecting the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1, a resistor R7 is provided on the line connecting the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, a resistor R6 is provided on the line connecting the VC6 pin of the first battery management chip and the sixth terminal of the plug connector J1, a resistor R5 is provided on the line connecting the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1, a resistor R4 is provided on the line connecting the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1, a resistor R3 is provided on the line connecting the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1, and a resistor R2 is provided on the line connecting the VC10 pin of the first battery management chip and the tenth terminal of the plug connector J1.

3. The 72V light electric motorcycle protection plate according to claim 2, characterized in that: A capacitor C10 is provided between a connection line between the VC1 pin of the first battery management chip and the first terminal of the plug connector J1 and a connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1, a capacitor C9 is provided between a connection line between the VC2 pin of the first battery management chip and the second terminal of the plug connector J1 and a connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1, a capacitor C8 is provided between a connection line between the VC3 pin of the first battery management chip and the third terminal of the plug connector J1 and a connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1, a capacitor C7 is provided between a connection line between the VC4 pin of the first battery management chip and the fourth terminal of the plug connector J1 and a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1, a connection line between the VC5 pin of the first battery management chip and the fifth terminal of the plug connector J1 and the first A capacitor C6 is provided between the connection line between the VC6 pin of the battery management chip and the sixth terminal of the plug connector J1, a capacitor C5 is provided between the connection line between the VC6 pin of the first battery management chip and the sixth terminal of the plug connector J1 and the connection line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1, a capacitor C4 is provided between the connection line between the VC7 pin of the first battery management chip and the seventh terminal of the plug connector J1 and the connection line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1, a capacitor C3 is provided between the connection line between the VC8 pin of the first battery management chip and the eighth terminal of the plug connector J1 and the connection line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1, and a capacitor C2 is provided between the connection line between the VC9 pin of the first battery management chip and the ninth terminal of the plug connector J1 and the connection line between the VC10 pin of the first battery management chip and the tenth terminal of the plug connector J1.

4. The 72V light electric motorcycle protection plate according to claim 1, characterized in that: The DPCKN pin of the first battery management chip is connected to the DPCKN pin of the second battery management chip.

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