CN213184407U - Classified screening and recombination system for retired power batteries - Google Patents
Classified screening and recombination system for retired power batteries Download PDFInfo
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- CN213184407U CN213184407U CN202021435165.9U CN202021435165U CN213184407U CN 213184407 U CN213184407 U CN 213184407U CN 202021435165 U CN202021435165 U CN 202021435165U CN 213184407 U CN213184407 U CN 213184407U
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- power battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The utility model discloses a retired power battery classified screening and recombination system, which comprises a control unit, a transmission device connected with the control unit, an initial measurement layer, a fine screening layer and a recombination layer; the primary testing layer comprises a laser scanning device and is used for carrying out contour detection on the retired power battery; the fine sieve layer comprises a charge and discharge tester and an infrared thermometer, and the charge and discharge tester is used for testing the internal resistance, the charge and discharge curve and the residual capacity of the retired power battery; the infrared thermometer is used for acquiring temperature rise data of the retired power battery during internal resistance testing; the recombination layer comprises a terminal voltage acquisition device used for acquiring the terminal voltage of the single battery; the system also comprises a central processing unit, and the initial testing layer, the fine screening layer and the recombination layer send the testing results of all the layers to the central processing unit through a communication network. The utility model provides the high efficiency and the accuracy of retired power battery echelon utilization, the safety and stability of retired group battery is reorganized in the guarantee.
Description
Technical Field
The utility model relates to a battery screening system especially relates to a categorised screening recombination system of retired power battery.
Background
With the coming of the national subsidy policy, the domestic new energy automobile industry develops rapidly, and the rapidly increased power battery loading amount brings huge power battery recycling market. The echelon recycling of the retired power battery is beneficial to improving the service value of the full life cycle of the power battery, reducing the purchasing cost of the battery, promoting the development of the electric automobile industry, properly treating heavy metal pollutants in the waste battery, reducing environmental pollution and promoting energy conservation and emission reduction.
Disclosure of Invention
The purpose of the invention is as follows: to above problem, the utility model provides a retired power battery classified screening recombination system has improved the efficiency and the accuracy that retired power battery echelon utilized, has reduced the cost of labor of classified screening recombination process simultaneously, ensures the safety and stability of reorganization retired battery group.
The technical scheme is as follows: the utility model adopts the technical scheme that the classification screening and recombination system for the retired power battery comprises a control unit, a transmission device connected with the control unit, an initial measurement layer, a fine screening layer and a recombination layer; the primary testing layer comprises a laser scanning device and is used for carrying out contour detection on the retired power battery; the fine sieve layer comprises a charge and discharge tester and an infrared thermometer, and the charge and discharge tester is used for testing the internal resistance, the charge and discharge curve and the residual capacity of the retired power battery; the infrared thermometer is used for acquiring temperature rise data of the retired power battery during internal resistance testing; the recombination layer comprises a terminal voltage acquisition device used for acquiring the terminal voltage of the single battery; the system also comprises a central processing unit, and the initial testing layer, the fine screening layer and the recombination layer send the testing results of all the layers to the central processing unit through a communication network.
Further, the conveying device comprises a conveyor belt motor and a conveyor belt device connected with the conveyor belt motor.
Further, the laser scanning device comprises a laser scanner and a laser receiving device.
Further, the communication network adopts ethernet.
Preferably, the laser scanner adopts a FOCUS series scanner, the infrared thermometer adopts an EC-150 type infrared thermometer, and the terminal voltage acquisition device adopts a ZH-42061 type voltage acquisition device.
Has the advantages that: compared with the prior art, the utility model, have following advantage: (1) the utility model discloses a laser scanning device carries out the profile preliminary survey, and then adopts the charge-discharge tester to further sift the battery performance, carries out terminal voltage sequencing through the terminal voltage collection system to the battery, can carry out preliminary survey, screening, detection and reorganization to the retired power battery of batch, realizes the echelon utilization to the retired battery; (2) in the process of charging and discharging tests, an infrared thermometer is adopted to simultaneously detect the temperature rise condition of the battery, and the high-risk battery with good overall performance, normal appearance and burning explosion risk is excluded, so that the safety of the recombined battery is improved; (3) the whole process is completed by an automatic device without manual participation, so that the detection precision and efficiency are improved, and the process of gradient utilization of the retired power battery is greatly facilitated.
Drawings
Figure 1 is the utility model discloses a retired power battery classified screening reorganization system block diagram.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Retired power battery classified screening reorganization system, modular diagram is shown as figure 1. The retired power battery classifying, screening and recombining system mainly comprises a control unit, a transmission device, an initial testing layer, a fine screening layer and a recombining layer, wherein the transmission device, the initial testing layer, the fine screening layer and the recombining layer are connected with the control unit, and the retired power battery classifying, screening and recombining system further comprises a central processing unit. The primary testing layer, the fine screening layer and the recombination layer send the testing results of all the layers to the central processing unit through a communication network, and the communication network adopts Ethernet.
The conveying device comprises a conveyor belt motor and a conveyor belt device connected with the conveyor belt motor. The control unit controls the conveyer belt to drive the batteries to stably operate, and after the single batteries move to the designated positions of all the screening layers, the control unit controls equipment in all the layers to test, so that the accuracy of output results of all the testing layers is improved.
The primary screening layer comprises a laser scanning device, and the laser scanning device comprises a laser scanner and a laser receiving device. The laser scanner was FOCUS series scanner of FARO company, and the laser receiving device was a receiving screen. The laser scanner sends out parallel laser beams, and laser spot beams on the receiving device are analyzed through the central processing unit to obtain the surface integrity degree of the retired power battery. The two laser scanning devices can be used for detecting the surface integrity of the front side and the back side of the retired power battery. The existing contour detection and identification technology is adopted based on the detection technology of the surface integrity degree of the battery by a laser scanning device, and the application does not relate to the improvement of the part.
The fine screen layer comprises a charge and discharge tester and an infrared thermometer. The charge and discharge tester adopts an NRICH series charge and discharge tester of Wuhan south Ruiland electric industry Limited, and the infrared thermometer adopts an EC-150 infrared thermometer of Shanghai Xuji company. The charge and discharge tester is used for testing the internal resistance, the charge and discharge curve and the residual capacity of the retired power battery; the infrared thermometer is used for collecting temperature rise data of the retired power battery during internal resistance testing.
The recombination layer comprises a terminal voltage acquisition device, and the terminal voltage acquisition device is used for. The terminal voltage acquisition device adopts a ZH-42061 voltage acquisition device created in intelligence.
The use method of the system is that the control unit controls the transport decommissioned power batteries of the transmission system to sequentially reach the primary screening layer, the fine screening layer and the recombination layer. Go on surveying at the primary screen layer through laser scanning device to retired power battery surface, detect retired power battery's surface outward appearance and detect, directly scrap the recovery to having defective and bellied retired power battery, avoid the echelon to utilize. And (3) connecting the battery with a charge and discharge tester on the fine sieve layer, carrying out pulse discharge on the battery at a constant rate of 1.5C, testing the internal resistance of the retired power battery, and calculating the internal resistance of the retired power battery by the tester according to the voltage and current values on the charge and discharge tester. And scrapping and recycling the retired power battery with higher internal resistance and exceeding the safety threshold. Meanwhile, the temperature rise of the battery during the internal resistance test is fed back by an infrared thermometer, and the battery is scrapped and recycled under the condition that the local temperature rise is far higher than that of other parts during the test. And then charging and discharging the retired power battery at 1/3C multiplying power, inputting a charging and discharging curve of a charging and discharging tester in the charging and discharging process into a host end through the Ethernet, analyzing the charging and discharging curve of each single battery at the host end, and if the charging and discharging curve of a certain single battery is greatly different from the charging and discharging curve of the rest single batteries in the battery pack, scrapping and recycling the single batteries. The difference comparison analysis adopts the existing graph similarity comparison algorithm, and the application does not relate to the improvement of the algorithm. And finally, testing the capacity of the single retired power battery by using a charge and discharge tester, and scrapping and recycling the power battery with lower residual capacity without having the value of recycling echelon. Meanwhile, in consideration of the safety of the ex-service power battery recycled in a echelon mode, the ex-service power battery needs to be subjected to insulation detection. When the above test is performed, the ambient temperature should be 25 ℃. And in the recombination layer, the battery is connected with the positive electrode and the negative electrode of the terminal voltage acquisition device, the terminal voltage of the single battery is acquired through the terminal voltage acquisition device, then the terminal voltages are sequenced through the host, and a basis is provided for the subsequent recombination of the screened batteries according to the sequencing of the host. The method for recombining the battery comprises the following steps: the single batteries are connected in parallel according to a standard with larger terminal voltage difference, the single batteries with the largest and the smallest terminal voltage difference are preferentially connected in parallel, the two single batteries with the largest terminal voltage difference in the rest battery packs are connected in parallel, the rest battery packs are analogized in the same way, all the parallel single batteries are connected in series for charging, when the current difference value flowing through the two parallel single batteries reaches a certain threshold value, the two single batteries with the largest terminal voltage difference in the battery packs are connected in parallel again, the parallel battery packs are connected in series, and the operation is repeated, so that the aim of low-loss quick balanced charging can be achieved.
Claims (5)
1. The utility model provides a retired power battery classified screening reorganization system which characterized in that: comprises a control unit, a transmission device connected with the control unit, an initial testing layer, a fine screening layer and a recombination layer; the primary testing layer comprises a laser scanning device and is used for carrying out contour detection on the retired power battery; the fine sieve layer comprises a charge and discharge tester and an infrared thermometer, and the charge and discharge tester is used for testing the internal resistance, the charge and discharge curve and the residual capacity of the retired power battery; the infrared thermometer is used for acquiring temperature rise data of the retired power battery during internal resistance testing; the recombination layer comprises a terminal voltage acquisition device used for acquiring the terminal voltage of the single battery; the system also comprises a central processing unit, and the initial testing layer, the fine screening layer and the recombination layer send the testing results of all the layers to the central processing unit through a communication network.
2. The decommissioned power battery classifying, screening and recombining system according to claim 1, wherein: the conveying device comprises a conveying belt motor and a conveying belt device connected with the conveying belt motor.
3. The decommissioned power battery classifying, screening and recombining system according to claim 1, wherein: the laser scanning device comprises a laser scanner and a laser receiving device.
4. The decommissioned power battery classifying, screening and recombining system according to claim 1, wherein: the communication network employs ethernet.
5. The decommissioned power battery classifying, screening and recombining system according to claim 1, wherein: the laser scanning device adopts an FOCUS series scanner, the infrared thermometer adopts an EC-150 type infrared thermometer, and the terminal voltage acquisition device adopts a ZH-42061 type voltage acquisition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435165.9U CN213184407U (en) | 2020-07-20 | 2020-07-20 | Classified screening and recombination system for retired power batteries |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435165.9U CN213184407U (en) | 2020-07-20 | 2020-07-20 | Classified screening and recombination system for retired power batteries |
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| CN213184407U true CN213184407U (en) | 2021-05-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500012A (en) * | 2021-06-09 | 2021-10-15 | 同济大学 | Vehicle-mounted lithium ion power battery echelon utilization method based on cluster screening |
| CN113933734A (en) * | 2021-09-02 | 2022-01-14 | 深圳大学 | Method for extracting parameters of monomers in retired battery pack |
| CN113964409A (en) * | 2021-09-17 | 2022-01-21 | 江苏大学 | Automatic recovery system for electric vehicle battery and control method |
| CN116520164A (en) * | 2023-02-09 | 2023-08-01 | 深圳市汉沣微电子有限公司 | Lithium battery electricity metering management system and electricity metering management method |
-
2020
- 2020-07-20 CN CN202021435165.9U patent/CN213184407U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500012A (en) * | 2021-06-09 | 2021-10-15 | 同济大学 | Vehicle-mounted lithium ion power battery echelon utilization method based on cluster screening |
| CN113933734A (en) * | 2021-09-02 | 2022-01-14 | 深圳大学 | Method for extracting parameters of monomers in retired battery pack |
| CN113933734B (en) * | 2021-09-02 | 2024-04-30 | 深圳大学 | Method for extracting parameters of single body in retired battery pack |
| CN113964409A (en) * | 2021-09-17 | 2022-01-21 | 江苏大学 | Automatic recovery system for electric vehicle battery and control method |
| CN116520164A (en) * | 2023-02-09 | 2023-08-01 | 深圳市汉沣微电子有限公司 | Lithium battery electricity metering management system and electricity metering management method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 Termination date: 20210720 |