CN215120146U - Retired battery processing system - Google Patents
Retired battery processing system Download PDFInfo
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- CN215120146U CN215120146U CN202023229748.9U CN202023229748U CN215120146U CN 215120146 U CN215120146 U CN 215120146U CN 202023229748 U CN202023229748 U CN 202023229748U CN 215120146 U CN215120146 U CN 215120146U
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- battery
- echelon
- direct current
- converter
- bidirectional
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- 238000012545 processing Methods 0.000 title claims abstract description 11
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 43
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 claims description 3
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 7
- 238000004146 energy storage Methods 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 20
- 238000004064 recycling Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 101100028908 Lotus japonicus PCS3 gene Proteins 0.000 description 1
- 101150003196 PCS1 gene Proteins 0.000 description 1
- 101150071172 PCS2 gene Proteins 0.000 description 1
- 101100493726 Phalaenopsis sp. BIBSY212 gene Proteins 0.000 description 1
- 101100030895 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPT4 gene Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005195 poor health Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a retired battery processing system, include: the battery management system is used for controlling the echelon battery to charge and discharge, the bidirectional current conversion device and the DC/DC direct current converter; the echelon battery comprises M echelon battery clusters, each echelon battery cluster is composed of a plurality of echelon battery packs connected in series, each echelon battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with the first end of a bidirectional converter, the second end of the bidirectional converter is connected with a power grid, a battery management system is respectively in communication connection with the M echelon battery clusters and the bidirectional converter, and M is an integer greater than 0. The utility model discloses to save respectively in respective cabinet through categorised retired battery, the peak valley price difference is earned as the energy storage to the echelon battery and economic value is acquireed, scrapps the battery and saves and obtain safer management in the higher battery cabinet of scrapping of safe fire control design rank, and the conflagration hidden danger greatly reduces.
Description
Technical Field
The utility model relates to a power battery field especially relates to a retired battery processing system.
Background
With the rapid development of new energy vehicles, the shipment volume and the retired power batteries are increasing continuously, so that for dealing with the arrival of retired power battery tides and reasonably disposing of the retired power batteries, the damage to the natural environment and the waste of resources are avoided, the state has gone out of the market by related management methods, and battery manufacturing enterprises and vehicle enterprises are required to utilize sales service websites to establish corresponding retired power battery recycling service websites. At present, most of retired power batteries are relatively extensive in construction of recovery service network points, supporting facilities are simple and crude, and temporary storage of the retired power batteries in small batches in short time can be met. The storage capacity of the battery is small, the fire-fighting equipment is simple, and the potential safety hazard is large; the economic value of the retired battery is not effectively developed, and the reasonable storage requirement of more and more retired power batteries cannot be met; retired power batteries are not provided with corresponding primary monitoring and screening means and equipment, are uniformly stored in a designated area of a network point, and are stored in a mixed mode, so that the safety is low, huge waste is generated, and economic loss is caused; the residual capacity of some retired power batteries is 60% -70% of the initial capacity, is close to 80% individually, and is about 50% too. The evaluation, use and maintenance of the safe storage and utilization of the batteries are comprehensive system engineering with great value and are worthy of further research and utilization. However, most of the current battery recycling networks do not have the capacity, a simple and extensive management method is adopted for recycling the retired battery, the management method is not safe and is very wasteful, and the comprehensive management of each recycling network on the retired power battery needs to be completed as soon as possible.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a decommissioning battery processing system can.
The utility model provides a technical scheme as follows:
the utility model discloses a retired battery processing system, the system includes: the battery management system is used for controlling the echelon battery to charge and discharge, the bidirectional current conversion device and the DC/DC direct current converter; the echelon battery comprises M echelon battery clusters, each echelon battery cluster is composed of a plurality of echelon battery packs connected in series, each echelon battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with a first end of a bidirectional current conversion device, a second end of the bidirectional current conversion device is connected with a power grid, the battery management system is respectively in communication connection with the M echelon battery clusters and the bidirectional current conversion device, and M is an integer larger than 0.
Further preferably, the battery storage cabinet also comprises a scrap battery storage cabinet for placing scrap batteries.
Further preferably, the cabinet body of the scrapped battery storage cabinet is treated by heptafluoropropane and water immersion.
Further preferably, an air conditioner, a smoke alarm, a temperature sensor and a lighting device are arranged in each of the echelon battery storage cabinet and the scrapped battery storage cabinet.
Further preferably, the monitoring system is further included, and the monitoring system is respectively connected with the battery management system, the DC/DC direct current converter, the air conditioner, the smoke alarm, the temperature sensor and the lighting device.
Further preferably, the bidirectional commutation device comprises a PCS inverter; each echelon battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with the first end of the PCS inverter, and the second end of the PCS inverter is connected with a power grid.
Further preferably, the bidirectional converter device comprises M PCS inverters corresponding to the echelon battery clusters; each echelon battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with the first end of a corresponding PCS inverter, and the second end of the PCS inverter is connected with a power grid.
Further preferably, the system further comprises a power distribution system, wherein the power distribution system is used for supplying power to the monitoring system and the bidirectional current conversion device respectively, and providing power for air conditioning, lighting and environment monitoring for the echelon battery storage cabinet and the scrapped battery storage cabinet.
Compared with the prior art, the utility model discloses to save respectively in respective cabinet through categorised retired battery, the peak valley price is earned as the energy storage to echelon battery, acquires economic value, and scrapped battery is saved in the higher battery cabinet of scrapping of safe fire control design rank, will obtain safer management, and the conflagration hidden danger greatly reduces to reach the purpose of economic nature, security.
Drawings
The present invention will be further described in the following preferred embodiments in a clearly understandable manner, with reference to the attached drawings.
Fig. 1 is a schematic view of the overall structure of a decommissioned battery processing system of the present invention;
FIG. 2 is a front view of a echelon battery storage cabinet of a decommissioned battery processing system of the present invention;
FIG. 3 is an electrical schematic diagram of a echelon battery storage cabinet of a decommissioned battery processing system of the present invention;
fig. 4 is an electrical schematic diagram of a echelon battery storage cabinet according to another embodiment of the present invention.
The reference numbers illustrate:
100. a echelon battery storage cabinet; 200. a scrapped battery storage cabinet; 300. a battery management system; 400. a bidirectional current conversion device; 500. a DC/DC direct current converter; 600. a monitoring system; 700. a power distribution system.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
Fig. 1 is the overall structure diagram of the retired battery treatment system of the present invention. As a specific embodiment of the present invention, as shown in fig. 1, a decommissioned battery processing system, the system includes: the battery management system comprises a echelon battery storage cabinet 100 for placing echelon batteries, a scrapped battery storage cabinet 200 for placing scrapped batteries, a battery management system 300 for controlling the echelon batteries to be charged and discharged, a bidirectional converter device 400, a DC/DC direct current converter 500, a monitoring system 600 and a power distribution system 700; an air conditioner, a smoke alarm, a temperature sensor and a lighting device are arranged in the echelon battery storage cabinet 100 and the scrapped battery storage cabinet 200;
the echelon batteries in the echelon battery storage cabinet 100 are connected with the DC/DC direct current converter 500;
the DC/DC direct current converter 500 is connected to a first end of the bidirectional converter device 400, and a second end of the bidirectional converter device 400 is connected to a power grid;
the battery management system 300 is in communication connection with the echelon battery and the bidirectional converter device 400 respectively;
the monitoring system 600 is connected to the battery management system 300, the DC/DC converter 500, the air conditioner, the smoke alarm, the temperature sensor, and the lighting device, respectively. The monitoring system 600 monitors real-time running data of the DC/DC direct current converter 500, the battery management system 600, the temperature sensor, the smoke alarm, and the air conditioner via the MODbus bus, and provides a management strategy and scheme of the system for the battery management system 600.
The power distribution system 700 supplies power to the monitoring system 600, the bidirectional converter device 400, and provides power for air conditioning, lighting and environmental monitoring to the echelon battery storage cabinet 100 and the scrapped battery storage cabinet 200.
Specifically, the echelon battery comprises M echelon battery clusters, each echelon battery cluster is composed of a plurality of echelon battery packs connected in series, each echelon battery cluster is connected with a DC/DC direct-current converter, the DC/DC direct-current converter is connected with a first end of the bidirectional converter, a second end of the bidirectional converter is connected with a power grid, the battery management system is respectively in communication connection with the M echelon battery clusters and the bidirectional converter, and M is an integer greater than 0. Fig. 2 is a front view of the echelon battery storage cabinet of the present invention. Specifically, for example, M is equal to 4, 6 echelon battery packs (marked as BAT in the figure) connected in series, as shown in fig. 2, in the figure, the battery storage cabinet adopts an independent partition for independent storage, and adopts a partition design of 4 × 6, and every six groups of battery packs are in a cluster.
Fig. 3 is an electrical schematic diagram of the echelon battery storage cabinet of the present invention. As shown in fig. 3, one DC/DC converter is used for each echelon battery cluster, and 4 battery clusters are used, so that four DC/DC converters are used, and one DC bus is used. The DC/DC converter is connected to a first terminal of a bidirectional converter device (shown as PCS) and a second terminal of the bidirectional converter device is connected to the grid (shown as a distribution box). The single-cluster echelon battery cluster is output by the DC/DC direct current converter and is merged into a direct current bus to be output to the bidirectional converter device and the power grid, the DC/DC direct current converter can adjust the matching voltage output by the DC/DC direct current converter according to the voltage of an output end, the DC/DC direct current converter can adopt different charging and discharging control strategies according to different retired batteries, automatically adjusting the output energy to the bidirectional converter device and the power grid according to the self capacity of the current echelon cluster battery, can be compatible with various echelon battery clusters in parallel connection and high-power output in a diversified way, eliminates the circulation problem generated between different echelon battery clusters in different parallel connections, the method can well avoid the inconsistency of the echelon batteries, enables the whole system to operate stably and optimally, reduces the use safety risk, has the characteristics of simplicity, practicability and convenience in implementation, and provides an effective method and approach for full recycling of the retired batteries.
The above embodiment is modified to obtain another embodiment, fig. 4 is an electrical schematic diagram of a echelon battery storage cabinet according to another embodiment of the present invention, as shown in fig. 4, there are 4 battery clusters, which are respectively labeled as battery cluster 1, battery cluster 2, battery cluster 3, and battery cluster 4, each battery cluster uses one DC/DC converter (labeled as DC/DC in the figure), there are 4 battery clusters, there are four DC/DC converters, and one DC bus is used in common, the bidirectional converter includes 4 PCS inverters corresponding to the echelon battery clusters, which are respectively labeled as PCS1, PCS2, PCS3, and PCS 4; each battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with the first end of a corresponding PCS inverter, the second end of the PCS inverter is connected with a distribution box, and the distribution box outputs commercial power.
Preferably, the cabinet body of the scrapped battery storage cabinet is soaked in heptafluoropropane and water to achieve double safety protection guarantee.
Preferably, the embodiment is improved, a single cabinet body design can be adopted, and the healthy echelon batteries and the scrapped batteries are placed in the same cabinet body but different battery clusters.
The utility model preliminarily screens the retired batteries, and preliminarily divides the retired batteries into two categories, namely graded batteries and scrapped batteries; echelon battery that echelon utilized is saved in echelon battery cabinet, and the scrapped battery of scrapping is saved in scrapping battery cabinet. After the ex-service battery is primarily sorted, battery packs with good health states are sorted to the echelon battery storage cabinet, the echelon battery storage cabinet is subjected to charging and discharging management through the system, and during the temporary storage period of the ex-service battery, the battery packs are used as energy storage through a charging and discharging system of the system, so that the residual value of the battery is further excavated, and the economic value is created. The batteries with poor health state, leakage, deformation, over-fire traces and other phenomena are uniformly placed in the scrapped battery storage cabinet. The scrapped battery storage cabinet is strictly designed according to the guidance of construction and operation of new energy automobile power storage battery recycling service network points, and has fire safety design standards of leakage prevention, corrosion resistance, flame retardance and the like. The safety level is higher, and the management is more scientific. Through the structural design, classified retired batteries are stored in respective storage cabinets respectively, and the echelon batteries are used as energy storage to earn peak-valley price difference so as to obtain economic value; the scrapped batteries are stored in the battery storage cabinet with higher safety fire-fighting design level, so that safer management can be achieved, and the fire hazard is greatly reduced, so that the purposes of economy and safety are achieved.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A decommissioned battery processing system, comprising:
the battery management system is used for controlling the echelon battery to charge and discharge, the bidirectional current conversion device and the DC/DC direct current converter; the echelon battery comprises M echelon battery clusters, each echelon battery cluster consists of a plurality of echelon battery packs connected in series, each echelon battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with a first end of the bidirectional current conversion device, a second end of the bidirectional current conversion device is connected with a power grid, the battery management system is respectively in communication connection with the M echelon battery clusters and the bidirectional current conversion device, and M is an integer larger than 0;
the scrapped battery storage cabinet is used for placing scrapped batteries, and the cabinet body of the scrapped battery storage cabinet is a cabinet body processed by heptafluoropropane and water immersion.
2. The decommissioned battery treatment system of claim 1, wherein an air conditioner, a smoke alarm, a temperature sensor, and a lighting device are disposed within each of the echelon battery storage cabinets and the scrap battery storage cabinets.
3. The decommissioned battery treatment system according to claim 2, further comprising a monitoring system connected to the battery management system, the DC/DC converter, the air conditioner, the smoke alarm, the temperature sensor, and the lighting device, respectively.
4. The decommissioned battery treatment system according to claim 1, wherein the bidirectional commutation device comprises a PCS inverter; each echelon battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with the first end of the PCS inverter, and the second end of the PCS inverter is connected with a power grid.
5. The decommissioned battery treatment system according to claim 1, wherein the bidirectional converter device comprises M PCS inverters corresponding to the echelon battery clusters; each echelon battery cluster is connected with a DC/DC direct current converter, the DC/DC direct current converter is connected with the first end of a corresponding PCS inverter, and the second end of the PCS inverter is connected with a power grid.
6. The decommissioned battery treatment system according to claim 2, further comprising a power distribution system that provides power to the monitoring system, the bidirectional converter device, and the air conditioning, lighting, and environmental monitoring power to the echelon battery storage cabinet and the scrap battery storage cabinet, respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023229748.9U CN215120146U (en) | 2020-12-28 | 2020-12-28 | Retired battery processing system |
Applications Claiming Priority (1)
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CN202023229748.9U CN215120146U (en) | 2020-12-28 | 2020-12-28 | Retired battery processing system |
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CN215120146U true CN215120146U (en) | 2021-12-10 |
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CN202023229748.9U Expired - Fee Related CN215120146U (en) | 2020-12-28 | 2020-12-28 | Retired battery processing system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114597991A (en) * | 2022-02-22 | 2022-06-07 | 双登集团股份有限公司 | Battery echelon utilization method for shared electric bicycle |
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2020
- 2020-12-28 CN CN202023229748.9U patent/CN215120146U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114597991A (en) * | 2022-02-22 | 2022-06-07 | 双登集团股份有限公司 | Battery echelon utilization method for shared electric bicycle |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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CF01 | Termination of patent right due to non-payment of annual fee |