Battery pack debugging device and battery management system

Abstract

The utility model discloses a battery pack debugging device and a battery management system, the battery pack debugging device comprises a plurality of debugging modules, a power supply anode pin and a power supply cathode pin, each debugging module comprises a switch element, a resistor module, a safety element and a detection pin, the input end of the switch element is connected with the detection pin through the resistor module, and the output end of the switch element is connected with the detection pin through the safety element; all the debugging modules are connected in series, the power supply anode pin is connected with the input end of the switch element of the head-end debugging module, and the power supply cathode pin is connected with the output end of the switch element of the tail-end debugging module; and detection pins of all the debugging modules are connected with BMS input pins of the battery pack. The battery management system in the battery pack can be debugged, the operation is convenient and fast, the production efficiency can be effectively improved, and the quality of the battery pack can be further improved.

Description

Technical Field

[0001] The utility model relates to a battery pack debugging device and a battery management system. Background Art

[0002] A battery pack refers to an integrated unit composed of multiple battery cells and is commonly used in various electronic devices and power tools. The main function of a battery pack is to provide a stable power output to supply the energy required by the device. They can be used in energy storage devices, electric vehicles, drones and other devices.

[0003] In the prior art, the battery management system (BMS) of a battery pack needs to be connected to the battery for testing. Usually, it is necessary to disassemble the battery pack to test various battery combinations. This testing method has the defects of low working efficiency and high cost. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the defects of low working efficiency and high cost in the testing and debugging of the battery management system of the battery pack in the prior art, and provide a battery pack debugging device and a battery management system that can debug the battery management system in the battery pack, are convenient and fast to operate, can effectively improve production efficiency, and can improve the quality of the battery pack.

[0005] The utility model solves the above technical problem through the following technical solutions:

[0006] A battery pack debugging device, characterized in that the battery pack debugging device includes a plurality of debugging modules, a power supply positive electrode pin and a power supply negative electrode pin.

[0007] Each debugging module includes a switching element, a resistor module, a fuse element and a detection pin. The input end of the switching element is connected to the detection pin through the resistor module, and the output end of the switching element is connected to the detection pin through the fuse element.

[0008] All the debugging modules are connected in series. The power supply positive electrode pin is connected to the input end of the switching element of the first debugging module, and the power supply negative electrode pin is connected to the output end of the switching element of the last debugging module.

[0009] The detection pins of all the debugging modules are connected to the BMS input pins of the battery pack.

[0010] Preferably, the resistor module includes a first resistor and a second resistor. Each debugging module further includes an adjustment switch. One end of the adjustment switch is connected between the first resistor and the second resistor, and the other end of the adjustment switch is connected to the output end of the switching element.

[0011] Preferably, the switching element, the adjustment switch and the fuse element are all jumper cap devices.

[0012] Preferably, the battery pack debugging device includes a single-chip microcomputer control module, the switching element is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

[0013] Preferably, the fuse element is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

[0014] Preferably, the adjustment switch is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

[0015] Preferably, the battery pack debugging device includes a processing module, and the BMS is connected to the processing module and transmits battery data to the processing module.

[0016] Preferably, the battery pack debugging device includes a single-chip microcomputer control module, and the processing module transmits a switch control signal to the single-chip microcomputer control module.

[0017] Preferably, the resistance module includes a variable resistor.

[0018] This embodiment also provides a battery management system for a battery pack, characterized in that the battery management system is connected to the battery pack debugging device as described above.

[0019] On the basis of conforming to the common knowledge in the art, the above preferred conditions can be combined arbitrarily to obtain various preferred examples of the present invention.

[0020] The positive and progressive effects of the present invention are as follows:

[0021] This application can simulate various battery combination methods, and then debug the battery management system in the battery pack. The operation is convenient and fast, which can effectively improve production efficiency and further improve the quality of the battery pack. Brief Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the battery pack debugging device according to Embodiment 1 of the present invention.

[0023] Figure 2 It is a schematic structural diagram of the debugging module according to Embodiment 1 of the present invention.

[0024] Figure 3 It is a schematic structural diagram of the battery pack debugging device according to Embodiment 1 of the present invention. Detailed Description of the Embodiment

[0025] The present invention will be further described below by way of examples, but the present invention is not limited thereto.

[0026] Embodiment 1

[0027] In this embodiment, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0028] See Figures 1 to 3 , this embodiment provides a battery pack debugging device. The battery pack debugging device 10 includes a plurality of debugging modules 100, a power supply positive electrode pin 101, and a power supply negative electrode pin 102.

[0029] Each debugging module includes a switching element 1001, a resistor module 1002, a fuse element 1003, and a detection pin 1004.

[0030] The input end of the switching element is connected to the detection pin through the resistor module.

[0031] The output end of the switching element is connected to the detection pin through the fuse element.

[0032] All the debugging modules are connected in series. The power supply positive electrode pin is connected to the input end of the switching element of the first debugging module.

[0033] The power supply negative electrode pin is connected to the output end of the switching element of the last debugging module.

[0034] The detection pins of all the debugging modules are connected to the BMS30 input pins of the battery pack.

[0035] The resistor module includes a first resistor and a second resistor.

[0036] Each debugging module further includes an adjustment switch 1005. One end of the adjustment switch is connected between the first resistor and the second resistor.

[0037] The other end of the adjustment switch is connected to the output end of the switching element.

[0038] The switching element, the adjustment switch, and the fuse element are all jumper cap devices.

[0039] The battery pack debugging device includes a processing module 20. The BMS is connected to the processing module and transmits battery data to the processing module.

[0040] The processing module can also manage the magnitude of the current of the power supply.

[0041] Specifically, there are 16 debugging modules in this embodiment, and the series connection of up to 16 battery cells can be simulated. In this embodiment, the 16 debugging modules are numbered from 1 to 16 in sequence from right to left. For example, the switching elements of the 3rd to 16th debugging modules are all conducted by jumper caps. The current of the positive power supply pin is continuously conducted along the wire to the input end of the switching element of the 2nd debugging module, and passes through the resistor module of the 2nd debugging module from the input end to the resistor module of the 1st debugging module, and then is connected to the negative power supply pin.

[0042] A detection pin is connected between the resistor module of the 2nd debugging module and the resistor module of the 1st debugging module through a fuse element.

[0043] In other embodiments, the battery pack debugging device includes a single-chip microcomputer control module, and the switching element is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

[0044] Specifically, the fuse element is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

[0045] Further, the adjustment switch is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

[0046] The processing module transmits a switch control signal to the single-chip microcomputer control module.

[0047] In other embodiments, the resistor module includes a variable resistor.

[0048] This embodiment also provides a battery management system (BMS), and the battery management system is connected to the battery pack debugging device as described above.

[0049] Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and the protection scope of the present invention is defined by the appended claims. Without departing from the principles and essence of the present invention, those skilled in the art can make various changes or modifications to these embodiments, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A battery pack debugging device, characterized in that, The battery pack debugging device includes a number of debugging modules, a power supply positive pin, and a power supply negative pin. Each debugging module includes a switching element, a resistor module, a fuse element, and a detection pin. The input end of the switching element is connected to the detection pin through the resistor module, and the output end of the switching element is connected to the detection pin through the fuse element. All the debugging modules are connected in series. The power supply positive pin is connected to the input end of the switching element of the first debugging module, and the power supply negative pin is connected to the output end of the switching element of the last debugging module. The detection pins of all the debugging modules are connected to the BMS input pin of the battery pack.

2. The battery pack debugging device according to claim 1, wherein, The resistor module includes a first resistor and a second resistor. Each debugging module further includes an adjustment switch. One end of the adjustment switch is connected between the first resistor and the second resistor, and the other end of the adjustment switch is connected to the output end of the switching element.

3. The battery pack debugging device according to claim 2, wherein The switching element, the adjustment switch, and the fuse element are all jumper cap devices.

4. The battery pack debugging device according to claim 2, wherein The battery pack debugging device includes a single-chip microcomputer control module. The switching element is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

5. The battery pack debugging device according to claim 4, wherein The fuse element is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

6. The battery pack debugging device according to claim 4, wherein The adjustment switch is a MOS transistor, and the gate of the MOS transistor is connected to the single-chip microcomputer control module.

7. The battery pack debugging device according to claim 1, characterized in that The battery pack debugging device includes a processing module. The BMS is connected to the processing module and transmits battery data to the processing module.

8. The battery pack debugging device according to claim 7, wherein, The battery pack debugging device includes a single-chip microcomputer control module. The processing module transmits a switch control signal to the single-chip microcomputer control module.

9. The battery pack debugging device according to claim 1, wherein The resistor module includes a variable resistor.

10. A battery management system, characterized in that, The battery management system is connected to the battery pack debugging device according to any one of claims 1 to 9.

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