Intelligent evaluation and sorting method for echelon utilization of retired power batteries

Abstract

The invention relates to an intelligent evaluation and sorting method for echelon utilization of a decommissioned power battery, which is characterized by comprising the following steps of: loading the decommissioned power battery to be detected into a decommissioned battery loading platform, and detecting the position of a connecting interface and the cleanliness of the interface; the battery capacity testing module is connected with a corresponding interface, the charging structure is charged at regular time and then matched with the discharging structure to perform primary discharging not larger than 1 h and detect the residual capacity, then secondary discharging is performed for 20-25 min and detect the residual capacity, and the discharging speed per h is averagely obtained through the charging electric quantity, the primary discharging speed and the secondary discharging speed. The current battery storable electric quantity is predicted and obtained, intelligent evaluation of the residual capacity is obtained by comparing standard capacity, and rapid detection of the residual capacity is formed; the lifting frame is used for conveying the decommissioned battery loading platform when the decommissioned battery loading platform descends to corresponding residual capacity; and the battery receiving and conveying line receives the decommissioned power batteries and conveys the decommissioned power batteries, so that the intelligent evaluation and sorting method for echelon utilization of the decommissioned power batteries is formed.

Description

Technical Field

[0001] The present invention relates to environmental protection technologies, particularly to battery recycling. Specifically, it is an intelligent evaluation and sorting method for the cascaded utilization of retired power batteries. Background Art

[0002] With the continuous increase in the market share of new energy vehicles, the problem of power battery recycling has gradually become a hot topic in the market. It is expected that in the next 2-3 years, a large-scale wave of retired power batteries will emerge, and the demand for the recycling and utilization of power batteries is becoming increasingly urgent. According to the remaining capacity, retired power batteries include those with a remaining capacity of 20%-80% and those with a remaining capacity below 20%. Generally, power batteries with a remaining capacity below 20% are directly scrapped and disassembled, while retired power batteries with a remaining capacity of 20%-80% are recycled. However, if retired power batteries with different remaining capacities are directly mixed, it is easy for power batteries with a low remaining capacity to affect the performance of power batteries with a high remaining capacity.

[0003] Therefore, it is necessary to provide an intelligent evaluation and sorting method for the cascaded utilization of retired power batteries to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide an intelligent evaluation and sorting method for the cascaded utilization of retired power batteries.

[0005] The technical solution is as follows:

[0006] An intelligent evaluation and sorting method for the cascaded utilization of retired power batteries, the steps of which include:

[0007] 1) Set up a battery health status monitoring device. The battery health status monitoring device includes a lifting frame. On the lifting frame, there is a loading platform for retired batteries, and at least a selection and stay stack for batteries with a remaining capacity of more than 80%, a selection and stay stack for batteries with a remaining capacity of 70%-80%, a selection and stay stack for batteries with a remaining capacity of 50%-70%, and a selection and stay stack for batteries with a low remaining capacity are provided corresponding to the loading platform for retired batteries. On both sides of the selection and stay stack for batteries with a remaining capacity of more than 80%, the selection and stay stack for batteries with a remaining capacity of 70%-80%, the selection and stay stack for batteries with a remaining capacity of 50%-70%, and the selection and stay stack for batteries with a low remaining capacity, there are respectively a pushing module and a battery receiving and conveying line;

[0008] 2) Set up a battery capacity testing module corresponding to the loading platform for retired batteries. The battery capacity testing module includes a testing head arranged on a multi-axis moving member, and a visual detection module is correspondingly arranged on the testing head;

[0009] 3) The testing head is connected to a charging structure and a discharging structure. The charging structure performs timed charging and then, in cooperation with the discharging structure, performs timed discharging to form a rapid remaining capacity detection structure;

[0010] 4) The visual inspection module conducts inspections on the connection interface position and interface cleanliness. If the cleanliness or the interface is contaminated or damaged, the external manipulator removes it, forming a pre-discharge structure before the inspection of the retired power battery to be tested.

[0011] 5) The retired power battery to be tested is loaded onto the retired battery loading platform, and the visual inspection module conducts inspections on the connection interface position and interface cleanliness.

[0012] 6) The battery capacity test module connects to the corresponding interface. The charging structure conducts timed charging, and then cooperates with the discharging structure to conduct a single discharge of no more than 1 hour and detect the remaining capacity. Then, it conducts a second discharge of 20 - 25 minutes and detects the remaining capacity. By using the charging power, the first discharge speed, and the second discharge speed, the average discharge speed per hour is obtained, and the current battery's storage capacity is predicted. Through intelligent evaluation by comparing with the standard capacity to obtain the remaining capacity, a rapid detection of the remaining capacity is formed.

[0013] 7) After the detection, based on the remaining capacity obtained from the detection, the lifting frame lowers the retired battery loading platform to the selected stop platforms according to the remaining capacity: above 80%, between 70% - 80%, between 50% - 70%, and low remaining capacity.

[0014] 8) The pushing module pushes out, and the battery receiving conveyor line receives and conveys the retired power battery, forming an intelligent evaluation and sorting method for the cascade utilization of retired power batteries.

[0015] Furthermore, the pushing module includes a pushing cylinder, and the cylinder shaft of the pushing cylinder is connected with a flexible pushing block.

[0016] Furthermore, position detection components are provided for the stop platforms selected for above 80% remaining capacity, between 70% - 80% remaining capacity, between 50% - 70% remaining capacity, and low remaining capacity.

[0017] Furthermore, the position detection component is a position sensor.

[0018] Furthermore, the charging structure includes a voltage stabilizer, and the voltage stabilizer is connected to an external power supply through a voltage transformer.

[0019] Furthermore, the charging structure is also provided with a charging section timer.

[0020] Furthermore, the discharging structure includes a discharging simulation resistor and a discharging section timer.

[0021] Furthermore, the lifting frame drives the lifting of the retired battery loading platform through a lead screw and lead screw nut structure.

[0022] Compared with the prior art, the present invention can quickly conduct intelligent evaluation and sorting for the cascade utilization of retired power batteries, ensuring the efficient and orderly progress of the cascade utilization of retired power batteries. Description of the Drawings

[0023] Figure 1 is a schematic structural diagram of the present invention.

[0024] Figure 2 is a schematic diagram of the charging structure.

[0025] Figure 3 is a schematic diagram of the discharging structure. Detailed Embodiment

[0026] Embodiment:

[0027] Please refer to Figures 1 - 3 , this embodiment shows an intelligent evaluation and sorting method for the cascade utilization of retired power batteries, and the steps include:

[0028] 1) Set up a battery health status monitoring device. The battery health status monitoring device includes a lifting frame 1. On the lifting frame 1, there is a retired battery loading platform 2, and at least a remaining capacity selection stay platform 3 with more than 80%, a remaining capacity selection stay platform 4 with 70%-80%, a remaining capacity selection stay platform 5 with 50%-70%, and a low remaining capacity selection stay platform 6 are set corresponding to the retired battery loading platform 2. On both sides of the remaining capacity selection stay platform 3 with more than 80%, the remaining capacity selection stay platform 4 with 70%-80%, the remaining capacity selection stay platform 5 with 50%-70%, and the low remaining capacity selection stay platform 6, there are respectively a pushing module 7 and a battery receiving conveyor line 8;

[0029] 2) Set up a battery capacity testing module 9 corresponding to the retired battery loading platform 2. The battery capacity testing module 9 includes a testing head 91 arranged on a multi-axis moving member, and a visual detection module 92 is correspondingly arranged on the testing head 91;

[0030] 3) The testing head 92 is connected to a charging structure 93 and a discharging structure 94. The charging structure 93 conducts timed charging, and then cooperates with the discharging structure 94 to conduct timed discharging, forming a rapid remaining capacity detection structure;

[0031] 4) The visual detection module 92 conducts connection interface position and interface cleanliness detection. If the cleanliness or the interface is contaminated or damaged, an external manipulator will remove it, forming a pre-discharge structure before detecting the retired power battery to be tested;

[0032] 5) Load the retired power battery to be tested onto the retired battery loading platform 2, and the visual detection module 92 conducts connection interface position and interface cleanliness detection;

[0033] 6) The battery capacity test module 9 connects to the corresponding interface. The charging structure 93 charges at regular intervals, and then cooperates with the discharging structure 94 to perform a single discharge of no more than 1 hour and detect the remaining capacity. Then, a second discharge of 20 - 25 minutes is carried out and the remaining capacity is detected. Based on the charging power, the first discharge speed, and the second discharge speed, the average discharge speed per hour is obtained, and the current battery's storage capacity is predicted. Through intelligent evaluation by comparing with the standard capacity to obtain the remaining capacity, a rapid detection of the remaining capacity is formed.

[0034] 7) After detection, based on the remaining capacity obtained from the detection, the lifting platform for retired batteries on the lifting frame descends to the selected stay stack 3 when the remaining capacity is above 80%, the selected stay stack 4 when the remaining capacity is 70% - 80%, the selected stay stack 5 when the remaining capacity is 50% - 70%, and the selected stay stack 6 for low remaining capacity.

[0035] 8) The pushing module 7 is pushed out. The battery receiving and conveying line 8 receives and conveys the retired power batteries, forming an intelligent evaluation and sorting method for the cascade utilization of retired power batteries.

[0036] The pushing module 7 includes a pushing cylinder 71, and the cylinder shaft of the pushing cylinder 71 is connected with a flexible pushing block 72.

[0037] For the selected stay stack 3 when the remaining capacity is above 80%, the selected stay stack 4 when the remaining capacity is 70% - 80%, the selected stay stack 5 when the remaining capacity is 50% - 70%, and the selected stay stack 6 for low remaining capacity, a station detection component 10 is provided.

[0038] The station detection component 10 is a position sensor.

[0039] The charging structure 93 includes a voltage stabilizer 931, and the voltage stabilizer 931 is connected to an external power supply through a voltage transformer 932.

[0040] The charging structure 93 is also provided with a charging section timer 933.

[0041] The discharging structure 94 includes a discharging simulation resistor 941 and a discharging section timer 942.

[0042] The lifting frame drives the lifting of the retired battery loading platform through a lead screw and a lead screw nut structure.

[0043] Compared with the prior art, the present invention can quickly perform intelligent evaluation and sorting for the cascade utilization of retired power batteries, ensuring the efficient and orderly progress of the cascade utilization of retired power batteries.

[0044] For those of ordinary skill in the art, without departing from the inventive concept of the present invention, several modifications and improvements can still be made, and these all fall within the protection scope of the present invention.

Claims

1. An intelligent evaluation and sorting method for the cascade utilization of retired power batteries, characterized in that: The steps include: 1) A battery health status monitoring device is provided, the battery health status monitoring device includes a lifting frame, a retired battery loading platform is provided on the lifting frame, and at least a station for selecting a station with a remaining capacity of more than 80%, a station for selecting a station with a remaining capacity of 70%-80%, a station for selecting a station with a remaining capacity of 50%-70%, and a station for selecting a station with a low remaining capacity are provided on the lifting frame corresponding to the retired battery loading platform, and a push-out module and a battery receiving conveyor line are provided on both sides of the station for selecting a station with a remaining capacity of more than 80%, a station for selecting a station with a remaining capacity of 70%-80%, a station for selecting a station with a remaining capacity of 50%-70%, and a station for selecting a station with a low remaining capacity; 2) A battery capacity test module is provided corresponding to the retired battery loading platform, the battery capacity test module includes a test head provided on a multi-axis moving part, and the test head is provided with a visual inspection module correspondingly; 3) The test head is connected to the charging structure and the discharging structure. The charging structure is charged at a fixed time, and then the discharging structure is discharged at a fixed time, thereby forming a rapid detection structure for the remaining capacity. 4) The visual inspection module detects the position of the connection interface and the cleanliness of the interface. If the cleanliness or interface is contaminated or damaged, the external manipulator will remove it to form a pre-discharge structure before the test of the retired power battery to be tested; 5) The retired power battery to be inspected is loaded onto the retired battery loading platform, and the visual inspection module performs connection interface position and interface cleanliness inspection; 6) The battery capacity test module performs the corresponding interface. The charging structure performs timed charging, and then cooperates with the discharge structure to perform a primary discharge of no more than 1 hour and detect the remaining capacity. Then, a secondary discharge of 20-25 minutes is performed and the remaining capacity is detected. The discharge speed per hour is averaged through the charging power, the primary discharge speed, and the secondary discharge speed, and the current battery can be predicted to store electricity. The remaining capacity is intelligently evaluated by comparing the standard capacity, forming a rapid detection of the remaining capacity; 7) After the test, the remaining capacity obtained by the test, the lifting frame to be determined retired battery loading platform is lowered to more than 80% of the remaining capacity to choose to stay on the platform, the remaining capacity is 70%-80% to choose to stay on the platform, the remaining capacity is 50%-70% to choose to stay on the platform, and the remaining capacity is low to choose to stay on the platform; 8) The push-out module is used for pushing out, and the battery receiving conveyor line receives and conveys the retired power batteries, thus forming an intelligent evaluation and sorting method for the cascade utilization of retired power batteries.

2. The intelligent evaluation and sorting method for the cascade utilization of retired power batteries according to claim 1 is characterized in that: The push-out module comprises a push-out cylinder, and a cylinder shaft of the push-out cylinder is connected with a flexible push block.

3. The intelligent evaluation and sorting method for the cascade utilization of retired power batteries according to claim 2 is characterized in that: Position detection components are provided for the platforms selected for staying at more than 80%, the platforms selected for staying at 70%-80% of the remaining capacity, the platforms selected for staying at 50%-70% of the remaining capacity, and the platforms selected for staying at low remaining capacity.

4. The intelligent evaluation and sorting method for the cascade utilization of retired power batteries according to claim 3 is characterized in that: The platform position detection component is a position sensor.

5. The intelligent evaluation and sorting method for the cascade utilization of retired power batteries according to claim 4 is characterized in that: The charging structure generally includes a voltage stabilizer, and the voltage stabilizer is connected to an external power source through a voltage transformer.

6. The intelligent evaluation and sorting method for the cascade utilization of retired power batteries according to claim 5 is characterized in that: The charging structure is also provided with a charging section timer.

7. The intelligent evaluation and sorting method for the cascade utilization of retired power batteries according to claim 6 is characterized by: The discharge structure includes a discharge simulation resistor and a discharge timer.

8. The intelligent evaluation and sorting method for the cascade utilization of retired power batteries according to claim 7 is characterized in that: The lifting frame drives the retired battery loading platform to rise and fall through a lead screw and lead screw nut structure.

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