Micro-current charge-discharge chemical formation system

Abstract

The application discloses a kind of micro-current charge-discharge formation systems, comprising: charge-discharge unit, including power cabinet, charge-discharge power supply, power supply, power control panel, alarm and heat dissipation device, charge-discharge power supply, power control panel, alarm and heat dissipation device are all installed in the inside of power cabinet;Motion unit is set in charge-discharge unit side, including motion mechanism cabinet and battery clamping motion mechanism, and a plurality of independent test cavities are provided on motion mechanism cabinet;Each test cavity is equipped with a set of probe plate lifting mechanism;Battery clamping motion mechanism includes motion mechanism base plate, battery tray support plate for placing battery tray, probe plate lifting mechanism, probe plate, connecting wire harness for connecting variable condition charge-discharge power supply box;And general controller, including signal collector, signal controller, data converter and data storage.The beneficial effects of the application are: minimum current is increased to 0.3-300mA, and the accuracy is improved to 0.05mA;Pure hardware control safety circuit;Structural optimization.

Description

Technical Field

[0001] The invention relates to a micro-current charging and discharging formation system. Background Art

[0002] The NS LINE microcurrent charge-discharge formation system is derived from the Samsung NS LINE Golden Bean battery production line in Tianjin. This equipment can achieve a minimum current accuracy of 0.3mA and an accuracy of 0.05mA. It meets the needs of customers with high precision requirements and includes curve fitting and analysis, along with full-process trend protection and battery performance prediction. All components are surface-mounted. It has a safety rating of 4, is CE-compliant, and features a purely hardware-controlled safety circuit. With the growing trend toward 5G applications, the application of Golden Bean lithium batteries will gradually expand, ushering in a new wave of market share. Low-cost, highly stable microcurrent charge-discharge equipment will lay the foundation for Hangke to lead the market. Summary of the Invention

[0003] In order to overcome the shortcomings of the existing charge-discharge formation system, such as inconvenient operation, high labor intensity and low precision, the present invention provides a charge-discharge formation system which is easy to operate, reduces labor intensity and improves precision.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A micro-current charge-discharge formation system, characterized by comprising:

[0006] A charge-discharge unit, for charging and discharging a battery, comprising a power supply cabinet, a charge-discharge power supply, a power supply, a power supply control board, an alarm, and a heat sink, wherein the charge-discharge power supply, the power supply control board, the alarm, and the heat sink are all mounted inside the power supply cabinet, a control end of the charge-discharge power supply is electrically connected to a first signal transmission end of the power supply control board, a second signal transmission end of the power supply control board, and a control end of the motion unit are respectively electrically connected to corresponding signal transmission ends of a master controller; a power supply end of the heat sink, a power supply end of the power supply control board, and a power supply end of the motion unit are all electrically connected to the power supply;

[0007] The motion unit is used to clamp the battery and is arranged next to the charging and discharging unit, including a motion mechanism cabinet and a battery clamping motion mechanism, and the motion mechanism cabinet is provided with a plurality of independent test cavities; each of the test cavities is equipped with a set of the probe plate lifting mechanism; the battery clamping motion mechanism includes a motion mechanism base plate, a battery tray support plate for placing the battery tray, a probe plate lifting mechanism, a probe plate, and a connecting wire harness for connecting a variable condition charging and discharging power supply box, and the battery tray support plate is arranged on the motion mechanism base plate; the probe plate includes an upper probe plate and a lower probe plate, wherein the upper probe plate is arranged above the battery tray support plate, and the lower probe plate is arranged below the battery tray support plate, and the lower probe plate is connected to the lifting end of the probe plate lifting mechanism; the control end of the probe plate lifting mechanism is electrically connected to the corresponding signal transmission end of the main controller; the power supply end of the probe plate lifting mechanism is electrically connected to the power supply; the probe plate lifting mechanism is used to lift the lower probe plate, and when the lower probe plate rises to the compression stroke, the contact surface of the probe on the lower probe plate is in close contact with the positive and negative electrodes of the battery;

[0008] And a main controller for controlling the operation of the charging and discharging unit and the motion unit, including a signal collector for receiving detection signals, a signal controller for controlling the action of the motion unit, a data converter for processing analysis data, and a data storage device for storing analysis data, the signal input end of the signal collector is connected to the signal output end of the signal transmitter, the signal output end of the signal collector is electrically connected to the signal input end of the data converter, and the signal output end of the data converter is electrically connected to the signal input end of the data storage device; the signal input end of the signal controller is electrically connected to the signal output end of the data converter, and the signal output end of the signal controller is electrically connected to the second signal transmission end of the power control board and the control end of the probe board lifting mechanism, respectively.

[0009] Furthermore, the power cabinet is provided with a plurality of independent power charging and discharging channels, an air guide channel for air intake, and a ventilation mesh plate for air outlet. The power end of the power charging and discharging channel is electrically connected to the power connection end of the charging and discharging power supply, and the control end of the power charging and discharging channel is electrically connected to the control end of the power control board. The plug-in port of the power charging and discharging channel is embedded in the front of the power cabinet and is electrically connected to the transmission end of the probe board through a connecting wire; the air guide channel is arranged on the back of the power cabinet, the air guide channel is connected to the inner cavity of the power cabinet, and the air guide channel extends to the air inlet of the heat dissipation device; the ventilation mesh plate is fixedly mounted on the air outlet surface on the front of the power cabinet.

[0010] Furthermore, the charging and discharging power supplies are provided in multiple sets, and each set works independently. One set of charging and discharging power supplies corresponds to one power charging and discharging channel, and the two are electrically connected through corresponding wires.

[0011] Furthermore, the power control board includes a current detector for detecting the current passing through the battery, a voltage detector for detecting the battery voltage, a data processor for processing the detection signal, a signal transmitter for transmitting the detection signal, an alarm controller for controlling the opening and closing of the alarm, and a human-computer interaction interface for controlling the opening and closing of the charging and discharging power supply. The signal input end of the current detector and the signal input end of the voltage detector are respectively electrically connected to the signal transmission end of the power charging and discharging channel through wires, the signal output end of the current detector and the signal output end of the voltage detector are respectively electrically connected to the signal input end of the data processor, the signal output end of the data processor is electrically connected to the signal input end of the signal transmitter, and the signal output end of the signal transmitter is signal-connected to the signal input end of the main controller; the signal output end of the data processor is respectively signal-connected to the signal input end of the alarm controller and the control end of the heat dissipation device, and the signal output end of the alarm controller is electrically connected to the control end of the alarm.

[0012] Furthermore, the motion unit also includes a pallet in place detection mechanism, which includes a pallet pushing mechanism for pushing in the pallet and a position sensor for detecting whether the pallet is in place and prompting whether the pallet position is abnormal. The pallet pushing mechanism is arranged at the entrance of the clamping frame, and the movement direction of the pallet pushing mechanism points to the clamping frame. The position sensor is arranged on the inner side of the clamping frame. The signal output end of the position sensor is electrically connected to the second signal input end of the main controller, and the control end of the position sensor and the control end of the pallet pushing mechanism are respectively electrically connected to the corresponding signal output ends of the main controller.

[0013] Furthermore, the heat dissipation device is a plurality of heat dissipation fans, wherein the heat dissipation device is installed on the upper part of the power cabinet, the air inlet of the heat dissipation fan is connected with the air guide channel, and the air outlet is located at the ventilation mesh plate, so that the power cabinet can take in air from the top and discharge air from the bottom.

[0014] Furthermore, the human-computer interaction interface includes a start button for controlling the start and stop of the charging and discharging power supply, an emergency stop button for shutting down the power charging and discharging channel when an abnormal situation occurs, a status indicator light for indicating the working status of the charging and discharging power supply, and a circuit breaker button for controlling the main power supply of the power supply cabinet. The start button, the emergency stop button and the status indicator light are respectively electrically connected to the corresponding control ends of the data processor to realize the control of the start and stop of the charging and discharging power supply and the status indication; each status indicator light corresponds to a charging and discharging power supply; the circuit breaker button is connected in series to the connection line of the main power supply of the power supply cabinet to realize the control of the total power supply.

[0015] A production line constructed using the microcurrent charge-discharge formation system described herein includes an IMS server, PC workstations, and 64 microcurrent charge-discharge formation systems. The IMS server and PC workstations are connected to the 64 microcurrent charge-discharge formation systems via a local area network (LAN), forming a basic production line. This production line can automatically or manually supply and remove cylindrical batteries loaded via a tray using a transplanter to achieve battery formation.

[0016] Specifically, the PC workstation is a programmable program scheduling center, and the PC workstation is the program core of the entire production line. Process editing can be performed through the PC workstation (i.e., the program scheduling center); the program scheduling center is electrically connected to the IMS server through the formation tube, and the IMS server communicates with the program scheduling center through the LAN local area network. The program scheduling center is connected to the microcurrent charge and discharge formation system as the lower computer through the communication module, thereby sending instructions to 64 microcurrent charge and discharge formation systems; the program scheduling center is also provided with a user input terminal and an interface output terminal, so that it can communicate with the user end.

[0017] When in use, 64 micro-current charge and discharge formation systems can charge or discharge 400 batteries in 1UINT at the same time through a certain control process, and measure parameters such as voltage, current and capacity during the formation process to achieve the purpose of grading and sorting the batteries.

[0018] The beneficial effects of this invention include: minimum current increased to 0.3-300mA, accuracy improved to 0.05mA; fully SMD components; full-process trend protection battery performance prediction using curve fitting and analysis, regular generation of capacity and voltage distribution for corresponding battery models, and output of relevant indicators; a purely hardware-controlled safety circuit; compliance with Samsung's 8S system, a manufacturing standard for small-scale charging and discharging equipment; and structural optimization for improved device aesthetics. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of the present invention.

[0020] Figure 2 It is a rear view of the present invention.

[0021] Figure 3 It is a flow chart of the present invention. DETAILED DESCRIPTION

[0022] The following describes the specific implementation of the embodiment of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the embodiment of the present invention and is not used to limit the embodiment of the present invention.

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0024] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with exemplary embodiments.

[0025] The micro-current charge-discharge formation system of the present invention comprises:

[0026] The charge and discharge unit 1 is used to charge and discharge the battery, and includes a power supply cabinet 11, a charge and discharge power supply 12, a power supply 13, a power control board 14, an alarm 15, and a heat sink 16. The charge and discharge power supply 12, the power control board 14, the alarm 15, and the heat sink 16 are all installed inside the power supply cabinet 11. The control end of the charge and discharge power supply 12 is electrically connected to the first signal transmission end of the power control board 14, and the second signal transmission end of the power control board 14 and the control end of the motion unit 2 are respectively electrically connected to the corresponding signal transmission ends of the main controller 3; the power supply end of the heat sink 16, the power supply end of the power control board 14, and the power supply end of the motion unit 2 are all electrically connected to the power supply 13;

[0027] The motion unit 2 is used to clamp the battery and is respectively arranged on both sides of the charging and discharging unit 1, including a motion mechanism cabinet 21 and a battery clamping motion mechanism 22. The motion mechanism cabinet 21 is provided with a plurality of independent test chambers from top to bottom; each of the test chambers is equipped with a set of the probe plate lifting mechanism 223; the battery clamping motion mechanism 22 includes a motion mechanism base plate 221, a battery tray support plate 222 for placing the battery tray, a probe plate lifting mechanism 223, a probe plate, and a connecting wire harness for connecting a charge and discharge power supply box with variable conditions. The battery tray support plate 222 is arranged on the motion mechanism base plate 221, and the motion mechanism base plate can move up and down; the probe plate setting includes an upper probe plate 224 and a lower probe plate 225, and the upper probe plate 224 and the lower probe plate 225 are evenly distributed, a total of 16 Plate; the needle plate has a uniform thickness, ensuring uniform force on the battery, and the divided-plate design ensures that it is firm and reliable while being more convenient to disassemble and easy to maintain; the upper probe plate 224 is arranged above the battery tray support plate 222, and the lower probe plate 225 is arranged below the battery tray support plate 222, and the lower probe plate 225 is connected to the lifting end of the probe plate lifting mechanism 223; the control end of the probe plate lifting mechanism 223 is electrically connected to the corresponding signal transmission end of the main controller 3; the power supply end of the probe plate lifting mechanism 223 is electrically connected to the power supply; the probe plate lifting mechanism 223 is used to lift the lower probe plate 225, and when the lower probe plate 225 rises to the compression stroke, the probe contact surfaces of the lower probe plate 225 and the upper probe plate 224 are in close contact with the positive and negative electrodes of the battery;

[0028] And a main controller for controlling the operation of the charging and discharging unit and the motion unit, including a signal collector for receiving detection signals, a signal controller for controlling the action of the motion unit, a data converter for processing analysis data, and a data storage device for storing analysis data, the signal input end of the signal collector is connected to the signal output end of the signal transmitter, the signal output end of the signal collector is electrically connected to the signal input end of the data converter, and the signal output end of the data converter is electrically connected to the signal input end of the data storage device; the signal input end of the signal controller is electrically connected to the signal output end of the data converter, and the signal output end of the signal controller is electrically connected to the second signal transmission end of the power control board and the control end of the probe board lifting mechanism, respectively.

[0029] The power cabinet 11 is provided with multiple independent power charging and discharging channels 111, an air guide channel 112 for air intake and a ventilation mesh plate 113 for air outlet. The power end of the power charging and discharging channel 111 is electrically connected to the power connection end of the charging and discharging power supply 12, and the control end of the power charging and discharging channel 111 is electrically connected to the control end of the power control board 14. The plug-in port of the power charging and discharging channel 111 is embedded in the front of the power cabinet 11 and is electrically connected to the transmission end of the probe board through a connecting wire; the air guide channel 112 is arranged on the back of the power cabinet 11, and the air guide channel 112 is connected to the inner cavity of the power cabinet 11, and the air guide channel 112 extends to the air inlet of the heat dissipation device 16; the ventilation mesh plate 113 is fixedly mounted on the air outlet surface on the front of the power cabinet 11.

[0030] The charging and discharging power supplies 12 are provided in multiple sets, and the voltages of the charging and discharging power supplies 12 are respectively +5V, ±15V, and 24V, and each set works independently. One set of charging and discharging power supplies corresponds to one power charging and discharging channel, and the two are electrically connected through corresponding wires.

[0031] The power control board 14 includes a current detector for detecting the current passing through the battery, a voltage detector for detecting the battery voltage, a data processor for processing the detection signal, a signal transmitter for transmitting the detection signal, an alarm controller for controlling the opening and closing of the alarm, and a human-computer interaction interface for controlling the opening and closing of the charging and discharging power supply. The signal input end of the current detector and the signal input end of the voltage detector are respectively electrically connected to the signal transmission end of the power charging and discharging channel through wires, the signal output end of the current detector and the signal output end of the voltage detector are respectively electrically connected to the signal input end of the data processor, the signal output end of the data processor is electrically connected to the signal input end of the signal transmitter, and the signal output end of the signal transmitter is signal-connected to the signal input end of the main controller; the signal output end of the data processor is respectively signal-connected to the signal input end of the alarm controller and the control end of the heat dissipation device, and the signal output end of the alarm controller is electrically connected to the control end of the alarm.

[0032] The motion unit 2 also includes a pallet in-place detection mechanism 23, which includes a pallet pushing mechanism 231 for pushing in the pallet and a position sensor 232 for detecting whether the pallet is in place and prompting whether the pallet position is abnormal. The pallet pushing mechanism 231 is arranged at the entrance of the clamping frame 233, and the movement direction of the pallet pushing mechanism 232 points to the clamping frame. The position sensor 232 is arranged on the inner side of the clamping frame. The signal output end of the position sensor 232 is electrically connected to the second signal input end of the main controller 3, and the control end of the position sensor 232 and the control end of the pallet pushing mechanism 231 are respectively electrically connected to the corresponding signal output ends of the main controller 3.

[0033] The probe plate lifting mechanism 223 also includes a guide shaft assembly 226, which is arranged in the test cavity, and the upper and lower ends of the guide shaft assembly are respectively connected to the top and bottom of the test cavity. The upper probe plate is arranged in the upper part of the test cavity, and the motion mechanism base plate and the lower probe plate are slidably arranged on the guide shaft assembly from top to bottom in sequence.

[0034] The heat dissipation device 16 comprises multiple cooling fans installed on the upper portion of the power supply cabinet. The fan inlets are connected to the air ducts, and the fan outlets are located on the ventilation screens, ensuring that air enters the cabinet from the top and exits from the bottom. Through the selection and proper placement of the fans, the temperature uniformity of the test batteries within the facility can be controlled to within ±1.5°C.

[0035] The human-computer interaction interface includes a start button for controlling the start and stop of the charging and discharging power supply, an emergency stop button for shutting down the power charging and discharging channel when an abnormal situation occurs, a status indicator light for indicating the working status of the charging and discharging power supply, and a circuit breaker button for controlling the main power supply of the power supply cabinet. The start button, the emergency stop button, and the status indicator light are respectively electrically connected to the corresponding control ends of the data processor to realize the control of the start and stop of the charging and discharging power supply and the status indication; each status indicator light corresponds to a charging and discharging power supply; the circuit breaker button is connected in series with the connection line of the main power supply of the power supply cabinet to realize the control of the total power supply.

[0036] The master controller may be a controller with PC software.

[0037] A production line constructed using the microcurrent charge-discharge formation system described herein includes an IMS server, PC workstations, and 64 microcurrent charge-discharge formation systems. The IMS server and PC workstations are connected to the 64 microcurrent charge-discharge formation systems via a local area network (LAN), forming a basic production line. This production line can automatically or manually supply and remove cylindrical batteries loaded via a tray using a transplanter to achieve battery formation.

[0038] like Figure 2 As shown, the PC software is a programmable scheduling center, the core of the entire production line. It can set different processes according to battery model. The charge and discharge conditions within the process include: constant current charging (CCC), constant voltage charging (CCV), constant current constant voltage charging (CCCV), sleep (Rest), and constant current discharge (CCD). Functions such as copying, pasting, and deleting can be implemented between charge and discharge steps, and 100 charge and discharge steps can be edited. The end conditions of each process can be accurately controlled by limiting time, voltage, and current. The charge and discharge capacity and energy parameters of the formed battery are calculated. It can also plot dynamic curves of each battery's formation process in real time, including voltage / time curves, current / time curves, capacity / time curves, and energy / time curves. The program scheduling center is connected to the IMS server through the formation tube, and the IMS server communicates with the program scheduling center through the LAN local area network. The program scheduling center is connected to the microcurrent charge and discharge formation system as the lower computer through the communication module, thereby sending instructions to 64 microcurrent charge and discharge formation systems; the program scheduling center is also equipped with a user input terminal and an interface output terminal, so that it can communicate with the user end.

[0039] When in use, 64 micro-current charge and discharge formation systems can charge or discharge 400 batteries in 1UINT at the same time through a certain control process, and measure parameters such as voltage, current and capacity during the formation process to achieve the purpose of grading and sorting the batteries.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 should not be understood as limiting the present invention.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0042] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0043] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0044] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0045] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A micro-current charge-discharge formation system, characterized in that: include: A charge-discharge unit, for charging and discharging a battery, comprising a power supply cabinet, a charge-discharge power supply, a power supply, a power supply control board, an alarm, and a heat sink, wherein the charge-discharge power supply, the power supply control board, the alarm, and the heat sink are all mounted inside the power supply cabinet, a control end of the charge-discharge power supply is electrically connected to a first signal transmission end of the power supply control board, a second signal transmission end of the power supply control board, and a control end of the motion unit are respectively electrically connected to corresponding signal transmission ends of a master controller; a power supply end of the heat sink, a power supply end of the power supply control board, and a power supply end of the motion unit are all electrically connected to the power supply; The motion unit is used to clamp the battery and is arranged next to the charging and discharging unit, including a motion mechanism cabinet and a battery clamping motion mechanism, and the motion mechanism cabinet is provided with a plurality of independent test cavities; each of the test cavities is equipped with a set of probe board lifting mechanisms; the battery clamping motion mechanism includes a motion mechanism base plate, a battery tray support plate for placing the battery tray, a probe board lifting mechanism, a probe board, and a connecting wire harness for connecting a charge and discharge power supply box with variable conditions, and the battery tray support plate is arranged on the motion mechanism base plate; the probe board includes an upper probe board and a lower probe board, wherein the upper probe board is arranged above the battery tray support plate, and the lower probe board is arranged below the battery tray support plate, and the lower probe board is connected to the lifting end of the probe board lifting mechanism; the control end of the probe board lifting mechanism is electrically connected to the corresponding signal transmission end of the main controller; the power supply end of the probe board lifting mechanism is electrically connected to the power supply; The probe plate lifting mechanism is used to lift the lower probe plate. When the lower probe plate rises to the compression stroke, the contact surface of the probe on the lower probe plate is in close contact with the positive and negative electrodes of the battery. And a main controller for controlling the operation of the charging and discharging unit and the motion unit, including a signal collector for receiving detection signals, a signal controller for controlling the action of the motion unit, a data converter for processing analysis data, and a data storage device for storing analysis data, the signal input end of the signal collector is connected to the signal output end of the signal transmitter, the signal output end of the signal collector is electrically connected to the signal input end of the data converter, and the signal output end of the data converter is electrically connected to the signal input end of the data storage device; the signal input end of the signal controller is electrically connected to the signal output end of the data converter, and the signal output end of the signal controller is electrically connected to the second signal transmission end of the power control board and the control end of the probe board lifting mechanism, respectively.

2. A micro-current charge-discharge formation system as claimed in claim 1, characterized in that: The power cabinet is provided with multiple independent power charging and discharging channels, air guide channels for air intake and ventilation mesh panels for air outlet. The power supply end of the power charging and discharging channel is electrically connected to the power connection end of the charging and discharging power supply, and the control end of the power charging and discharging channel is electrically connected to the control end of the power control board. The plug-in port of the power charging and discharging channel is embedded in the front of the power cabinet and is electrically connected to the transmission end of the probe board through a connecting wire; the air guide channel is arranged on the back of the power cabinet, the air guide channel is connected to the inner cavity of the power cabinet, and the air guide channel extends to the air inlet of the heat dissipation device; the ventilation mesh panel is fixedly mounted on the air outlet surface on the front of the power cabinet.

3. A micro-current charge-discharge formation system as claimed in claim 2, characterized in that: The charging and discharging power supplies are provided in multiple sets, and each set works independently. One set of charging and discharging power supplies corresponds to one power charging and discharging channel, and the two are electrically connected through corresponding wires.

4. A micro-current charge-discharge formation system as claimed in claim 3, characterized in that: The power control board includes a current detector for detecting the current passing through the battery, a voltage detector for detecting the battery voltage, a data processor for processing the detection signal, a signal transmitter for transmitting the detection signal, an alarm controller for controlling the opening and closing of the alarm, and a human-computer interaction interface for controlling the opening and closing of the charging and discharging power supply. The signal input end of the current detector and the signal input end of the voltage detector are respectively electrically connected to the signal transmission end of the power charging and discharging channel through wires, the signal output end of the current detector and the signal output end of the voltage detector are respectively electrically connected to the signal input end of the data processor, the signal output end of the data processor is electrically connected to the signal input end of the signal transmitter, and the signal output end of the signal transmitter is signal-connected to the signal input end of the main controller; the signal output end of the data processor is respectively signal-connected to the signal input end of the alarm controller and the control end of the heat dissipation device, and the signal output end of the alarm controller is electrically connected to the control end of the alarm.

5. A micro-current charge-discharge formation system as claimed in claim 1, characterized in that: The motion unit also includes a pallet in place detection mechanism, which includes a pallet pushing mechanism for pushing in the pallet and a position sensor for detecting whether the pallet is in place and prompting whether the pallet position is abnormal. The pallet pushing mechanism is arranged at the entrance of the clamping frame, and the movement direction of the pallet pushing mechanism points to the clamping frame. The position sensor is arranged on the inner side of the clamping frame. The signal output end of the position sensor is electrically connected to the second signal input end of the main controller, and the control end of the position sensor and the control end of the pallet pushing mechanism are respectively electrically connected to the corresponding signal output ends of the main controller.

6. A micro-current charge-discharge formation system as claimed in claim 1, characterized in that: The heat dissipation device is a plurality of heat dissipation fans, wherein the heat dissipation device is installed on the upper part of the power cabinet, the air inlet of the heat dissipation fan is connected with the air guide channel, and the air outlet is located at the ventilation mesh plate, so that the power cabinet can be supplied with air from the top and discharged from the bottom.

7. A micro-current charge-discharge formation system as claimed in claim 4, characterized in that: The human-computer interaction interface includes a start button for controlling the start and stop of the charging and discharging power supply, an emergency stop button for shutting down the power charging and discharging channel when an abnormal situation occurs, a status indicator light for indicating the working status of the charging and discharging power supply, and a circuit breaker button for controlling the main power supply of the power supply cabinet. The start button, the emergency stop button, and the status indicator light are respectively electrically connected to the corresponding control terminals of the data processor to realize the control of the start and stop of the charging and discharging power supply and the status indication; Each status indicator light corresponds to a charging and discharging power supply; the circuit breaker button is connected in series with the connection line of the main power supply of the power cabinet to realize the control of the total power supply.

Images