Battery cell module detection system

Abstract

The utility model relates to the technical field of battery cell module detection equipment, in particular to a battery cell module detection system, which comprises a main control module used for processing data and controlling, a load detection module used for measuring an electronic load, and a universal meter detection module used for measuring an electronic universal meter, the switching module is used for switching and connecting the load detection module and / or the universal meter detection module, the load detection module and the universal meter detection module are connected with the battery cell module through the switching module, and the control end of the switching module is connected with the main control module. The data output end of the load detection module and the data output end of the universal meter detection module are connected with the main control module. According to the utility model, a series of automatic detection work of static voltage difference, dynamic voltage difference, DCR and the like can be carried out, the automation and intelligence degrees are high, the work flow of cell module detection is reduced, the labor intensity of operators can be greatly reduced, and the safety coefficient is high.

Description

Technical Field

[0001] The utility model relates to the technical field of cell module detection equipment, and particularly relates to a cell module detection system. Background Art

[0002] A cell module refers to a unit or module composed of multiple batteries. In battery technology, a cell is the most basic energy storage unit, and a cell module is a component formed by combining these individual cells according to a certain electrical and mechanical structure. Its assembly precision is high, the assembly difficulty is great, and a series of detection work needs to be carried out after assembly. Of course, detection work also needs to be carried out during subsequent maintenance. The existing detection methods generally adopt manual detection or CDD detection, which cannot check the welding condition of the central cell in the cell module. At the same time, due to problems with the outgoing wire of the central cell, overcharging and over-discharging of a single battery will occur. Long-term overcharging and over-discharging will lead to abnormal cell safety and easily cause fire and combustion events, with a low safety factor. At the same time, it also results in a long existing detection work process and low detection efficiency. Content of the Utility Model

[0003] The technical problem to be solved by the utility model: The existing detection work process of the cell module is long, the detection efficiency is low, and the safety factor is low.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme: A cell module detection system includes a main control module for processing data and controlling, a load detection module for performing electronic load measurement, a multimeter detection module for performing electronic multimeter measurement, and a switching module for switching to connect the load detection module and / or the multimeter detection module. Both the load detection module and the multimeter detection module are connected to the cell module through the switching module. The control end of the switching module is connected to the main control module. The data output ends of the load detection module and the multimeter detection module are both connected to the main control module.

[0005] When the utility model works, the main control module controls the switching module to connect the cell module and the load detection module or the multimeter detection module, and can perform a series of automated detection work such as static voltage difference, dynamic voltage difference, and DCR. The degree of automation and intelligence is high, the detection work process of the cell module is reduced, the detection efficiency is improved, and the labor intensity of operators can be greatly reduced, with a high safety factor.

[0006] Preferably, the switching module includes a lower control module for outputting a switching signal, and a plurality of switching connection circuits respectively connected to the load detection module or the multimeter detection module. The lower control module is connected to the main control module. The control ends of the plurality of switching circuits are all connected to the lower control module, and the plurality of switching connection circuits are respectively connected to the detection ends of their corresponding load detection modules or the detection ends of the multimeter detection modules.

[0007] Preferably, the switching connection circuit includes a driving optocoupler K1, a driving optocoupler K2, a diode LED1, and a resistor R5. The anodes of the emitting ends of the driving optocoupler K1 and the driving optocoupler K2 are both connected to the power supply. The cathodes of the emitting ends of the driving optocoupler K1 and the driving optocoupler K2 are both connected to the anode of the diode LED1 through the resistor R5. The cathode of the diode LED1 is connected to the lower control module. The first port of the receiving end of the driving optocoupler K1 is connected to the first port of the detection end of the load detection module or the first port of the detection end of the multimeter detection module. The second port of the receiving end of the driving optocoupler K1 is connected to the first end of the corresponding battery cell in the battery cell module. The first port of the receiving end of the driving optocoupler K2 is connected to the second port of the detection end of the load detection module or the second port of the detection end of the multimeter detection module. The second port of the receiving end of the driving optocoupler K2 is connected to the second end of the corresponding battery cell in the battery cell module.

[0008] Preferably, it further includes a battery cell module reverse connection alarm module for promptly alarming when the battery cell module is wrongly wired. The battery cell module reverse connection alarm module includes alarm circuits corresponding one by one to a plurality of battery cells in the battery cell module, and the alarm circuits are connected to the corresponding battery cells in the battery cell module.

[0009] Preferably, the alarm circuit includes an alarm B1, a diode LED2, and a resistor R59. The first end of the alarm B1 is connected to the first end of the corresponding battery cell in the battery cell module. The second end of the alarm B2 is connected to the anode of the diode LED2. The cathode of the diode LED2 is connected to the second end of the corresponding battery cell in the battery cell module through the resistor R59.

[0010] The beneficial technical effects of the present utility model include:

[0011] The present utility model controls the switching module to connect the battery cell module and the load detection module or the multimeter detection module through the main control module, and can perform a series of automated detection operations such as static voltage difference, dynamic voltage difference, and DCR. It has high automation and intelligence levels, reduces the working process of battery cell module detection, improves the detection efficiency, and can greatly reduce the labor intensity of operators, with a high safety factor.

[0012] Other features and advantages of the present utility model will be disclosed in detail in the following specific embodiments and drawings. Description of the Drawings

[0013] The present utility model will be further described below with reference to the drawings:

[0014] Figure 1 It is a schematic structural diagram of a battery cell module detection system;

[0015] Figure 2 It is a circuit structure diagram of the main control module;

[0016] Figure 3 It is the circuit structure of the switching module Figure 1 ;

[0017] Figure 4 It is the circuit structure of the switching module Figure 2 ;

[0018] Figure 5 It is a circuit structure diagram of the battery cell module reverse connection alarm module. Specific Embodiments

[0019] The technical solutions of the embodiments of the present utility model will be explained and described below with reference to the drawings of the embodiments of the present utility model. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present utility model.

[0020] In the following description, terms such as "inner", "outer", "upper", "lower", "left", "right", etc. indicating directions or positional relationships are only for convenience in describing the embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be construed as a limitation of the present utility model.

[0021] Please refer to the attached Figure 1 , this embodiment discloses a battery cell module detection system, including a main control module 1 for processing data and controlling, a load detection module 2 for performing electronic load measurement, a multimeter detection module 3 for performing multimeter measurement, and a switching module 4 for switching to connect the load detection module 2 and / or the multimeter detection module 3. The following will be described in detail with reference to the drawings.

[0022] Please refer to the attached Figure 2 to attached Figure 5, in this embodiment, the load detection module 2 and the multimeter detection module 3 are both connected to the battery cell module through the switching module 4. The control end of the switching module 4 is connected to the main control module 1, and the data output ends of the load detection module 2 and the multimeter detection module 3 are both connected to the main control module 1.

[0023] When this embodiment works, the main control module 1 controls the switching module 4 to connect the battery cell module and the load detection module 2 or the multimeter detection module 3, and a series of automatic detection operations such as static voltage difference, dynamic voltage difference, and DCR can be carried out. The degree of automation and intelligence is high, the working process of battery cell module detection is reduced, the detection efficiency is improved, and the labor intensity of operators can be greatly reduced, and the safety factor is high.

[0024] In specific implementation, the switching module 4 includes a lower control module for outputting a switching signal, and several switching connection circuits respectively connected to the load detection module 2 or the multimeter detection module 3. The lower control module is connected to the main control module 1, the control ends of several switching circuits are all connected to the lower control module, and several switching connection circuits are respectively connected to the detection ends of the corresponding load detection module 2 or the detection ends of the multimeter detection module 3.

[0025] In this embodiment, the switching connection circuit includes a driving optocoupler K1, a driving optocoupler K2, a diode LED1, and a resistor R5. The anode of the emitting end of the driving optocoupler K1 and the anode of the emitting end of the driving optocoupler K2 are both connected to the power supply. The cathode of the emitting end of the driving optocoupler K1 and the cathode of the emitting end of the driving optocoupler K2 are both connected to the anode of the diode LED1 through the resistor R5. The cathode of the diode LED1 is connected to the lower control module. The first port of the receiving end of the driving optocoupler K1 is connected to the first port of the detection end of the load detection module 2 or the first port of the detection end of the multimeter detection module 3. The second port of the receiving end of the driving optocoupler K1 is connected to the first end of the corresponding battery cell in the battery cell module. The first port of the receiving end of the driving optocoupler K2 is connected to the second port of the detection end of the load detection module 2 or the second port of the detection end of the multimeter detection module 3. The second port of the receiving end of the driving optocoupler K2 is connected to the second end of the corresponding battery cell in the battery cell module. The 74HC574D high-speed CMOS octal flip-flop is controlled by the STM32 single-chip microcomputer chip to output corresponding pins to the ULN2803A Darlington array power drive integrated circuit, so as to control the closing of the driving optocoupler and realize the switching function of the corresponding circuit, and the switching efficiency is high.

[0026] As a further improvement of this embodiment, it further includes a battery cell module reverse connection alarm module 5 for timely alarming when the battery cell module is wrongly wired. The battery cell module reverse connection alarm module 5 includes alarm circuits corresponding to several battery cells in the battery cell module one by one, and the alarm circuits are connected to the corresponding battery cells in the battery cell module.

[0027] In specific implementation, the alarm circuit includes an alarm B1, a diode LED2, and a resistor R59. The first end of the alarm B1 is connected to the first end of the corresponding battery cell in the battery cell module. The second end of the alarm B2 is connected to the anode of the diode LED2. The cathode of the diode LED2 is connected to the second end of the corresponding battery cell in the battery cell module through the resistor R59. During operation, when the battery cell is reversely connected, the alarm and the light-emitting diode can timely emit an audible and visual alarm signal, which can better protect the battery cell.

[0028] The beneficial technical effects of this embodiment include: The utility model controls the switching module to connect the battery cell module and the load detection module or the multimeter detection module through the main control module, and can perform a series of automatic detection operations such as static voltage difference, dynamic voltage difference, and DCR. The degree of automation and intelligence is high, the working process of battery cell module detection is reduced, the detection efficiency is improved, and the labor intensity of operators can be greatly reduced, and the safety factor is high.

[0029] As described above, the above is only the specific implementation manner of the utility model, but the protection scope of the utility model is not limited thereto. Those skilled in the art should understand that the utility model includes but is not limited to the content described in the drawings and the above specific implementation manner. Any modification that does not deviate from the functional and structural principles of the utility model will be included in the scope of the claims.

Claims

1. A battery cell module detection system, characterized in that: The invention comprises a main control module (1) for processing data and performing control, a load detection module (2) for performing electronic load measurement, a multimeter detection module (3) for performing electronic multimeter measurement, and a switching module (4) for switching the connection between the load detection module (2) and / or the multimeter detection module (3), wherein the load detection module (2) and the multimeter detection module (3) are both connected to the battery cell module via the switching module (4), the control end of the switching module (4) is connected to the main control module (1), and the data output end of the load detection module (2) and the data output end of the multimeter detection module (3) are both connected to the main control module (1).

2. A battery cell module detection system according to claim 1, characterized in that: The switching module (4) comprises a lower control module for outputting a switching signal, and a plurality of switching connection circuits respectively connected to the load detection module (2) or the multimeter detection module (3); the lower control module is connected to the main control module (1); the control ends of the plurality of switching circuits are all connected to the lower control module; and the plurality of switching connection circuits are respectively connected to the detection ends of the load detection modules (2) or the detection ends of the multimeter detection modules (3) corresponding to the respective ones.

3. A battery cell module detection system according to claim 2, characterized in that: The switching connection circuit comprises a driving photocoupler K1, a driving photocoupler K2, a diode LED1 and a resistor R5. The anode of the transmitting end of the driving photocoupler K1 and the anode of the transmitting end of the driving photocoupler K2 are both connected to a power supply. The cathode of the transmitting end of the driving photocoupler K1 and the cathode of the transmitting end of the driving photocoupler K2 are both connected to the anode of the diode LED1 through the resistor R5. The cathode of the diode LED1 is connected to a lower control module. The first receiving end port of the driving photocoupler K1 is connected to the first detection end port of the load detection module (2) or the first detection end port of the multimeter detection module (3). The second receiving end port of the driving photocoupler K1 is connected to the first end of the corresponding battery cell in the battery cell module. The first receiving end port of the driving photocoupler K2 is connected to the second detection end port of the load detection module (2) or the second detection end port of the multimeter detection module (3). The second receiving end port of the driving photocoupler K2 is connected to the second end of the corresponding battery cell in the battery cell module.

4. The battery cell module detection system according to claim 1, characterized in that: It also includes a cell module reverse connection alarm module (5) for timely alarming when the cell module wiring is wrong, and the cell module reverse connection alarm module (5) includes an alarm circuit corresponding to a plurality of cells in the cell module, and the alarm circuit is connected to a corresponding cell in the cell module.

5. A battery cell module detection system according to claim 4, characterized in that: The alarm circuit includes an alarm B1, a diode LED2 and a resistor R59. The first end of the alarm B1 is connected to the first end of the corresponding battery cell in the battery cell module, the second end of the alarm B2 is connected to the anode of the diode LED2, and the cathode of the diode LED2 is connected to the second end of the corresponding battery cell in the battery cell module through the resistor R59.

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