CN113364834A - Operation method of street power bank remote lease system - Google Patents
Operation method of street power bank remote lease system Download PDFInfo
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- CN113364834A CN113364834A CN202110562143.1A CN202110562143A CN113364834A CN 113364834 A CN113364834 A CN 113364834A CN 202110562143 A CN202110562143 A CN 202110562143A CN 113364834 A CN113364834 A CN 113364834A
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- charging
- remote server
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- street
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000007600 charging Methods 0.000 claims abstract description 76
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 239000003792 electrolyte Substances 0.000 claims description 7
- DSMUTQTWFHVVGQ-UHFFFAOYSA-N 4,5-difluoro-1,3-dioxolan-2-one Chemical compound FC1OC(=O)OC1F DSMUTQTWFHVVGQ-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 239000007774 positive electrode material Substances 0.000 claims description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 5
- 229910001416 lithium ion Inorganic materials 0.000 claims description 5
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 4
- 238000010277 constant-current charging Methods 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- -1 4-butyl Chemical group 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0042—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/005—Detection of state of health [SOH]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computing Systems (AREA)
- Computer Security & Cryptography (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Secondary Cells (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention provides an operation method of a street charging treasure remote lease system, wherein the lease system comprises a plurality of street charging treasure lease management units and a remote server, and the lease management units are in communication connection with the remote server; when the user returns the charge pal, the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module, and the remote server calculates charging information; the charging and discharging management module carries out charging and discharging operation on the charge pal, the detection module detects the state information of the battery core of the charge pal from the battery core, the state information is sent to the remote server, and then the remote server formulates the charging mode of the charge pal according to the state information.
Description
Technical Field
The invention relates to an operation method of a street power bank remote renting system.
Background
The smart phone is on the way at present, but due to the increase of the power consumption of the mobile phone screen and the CPU, the street charger is visible everywhere in the streets, so that how to prolong the service life of the charger and reduce the operation and maintenance cost is one of the current research focuses.
Disclosure of Invention
The invention relates to an operation method of a street charging treasure remote lease system, wherein the lease system comprises a plurality of street charging treasure lease management units and a remote server, and the lease management units are in communication connection with the remote server; the street charging treasure comprises a unique corresponding identification code; the operation method comprises the following steps: when a user puts forward the requirement of the rental street charger through the man-machine interaction module, the processor provides the charger for the user to use; the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module; when the user returns the charge pal, the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module, and the remote server calculates charging information; the charging and discharging management module carries out charging and discharging operation on the charge pal, the detection module detects the state information of the battery core of the charge pal from the battery core, the state information is sent to the remote server, and then the remote server formulates the charging mode of the charge pal according to the state information.
The specific scheme is as follows:
the operation method of the street charging treasure remote lease system comprises a plurality of street charging treasure lease management units and a remote server, wherein the lease management units are in communication connection with the remote server; the street charging treasure comprises a unique corresponding identification code; the operation method comprises the following steps:
1) when a user puts forward the requirement of the rental street charger through the human-computer interaction module, the processor provides the charger for the user to use;
2) the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module;
3) when the user returns the charge pal, the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module, and the remote server determines the service life of the charge pal and calculates charging information;
4) the remote server determines a charging and discharging operation parameter according to the identification code and sends the charging and discharging operation parameter to the processor, the processor controls the charging and discharging management module to perform charging and discharging operation on the charge pal according to the operation parameter, and the detection module detects state information of a battery cell in the charge pal; and sending the state information to a remote server;
5) the remote server formulates a charging mode of the power bank according to the state information.
Further, in the step 4, the remote server determines a first predetermined voltage V1 and a second predetermined voltage V2 according to the identification code; the charge and discharge management module adjusts the cell voltage of the charger to a first preset voltage V1, then charges the battery to a second preset voltage V2 by constant current charging at a preset current, and the first preset voltage V1 and the second preset voltage V2 record the time length of the cell voltage from the first preset voltage to the second preset voltage for the detection module and set as T; and after the charging is stopped, placing for a preset time T, measuring the voltage of the battery cell, setting the voltage as Vt, and sending the T and the Vt to a remote server.
Further, in the step 5, a judgment coefficient r, r ═ V2-Vt)/(V2-V1) -k × (T); when r is more than or equal to 0, charging in a first charging mode; and when r is less than 0, charging is carried out by adopting a second charging mode.
Furthermore, the battery core used by the charger baby is a lithium ion battery, wherein the positive active material is LiMn0.82Ni0.15Cr0.02Al0.01O2The negative electrode active material was graphite, and the additive of the electrolyte was 1.8 vol% of 1, 4-butanesultone and 1.2 vol% of difluoroethylene carbonate.
Further, the first predetermined voltage V1 is 3.45V; the second predetermined voltage V2 is 3.75V; the predetermined current is 1C; the T/T is 0.01; k is 1.25. The first charging mode is to charge the battery to a charging cut-off voltage by a current of 0.2-0.3C in a constant current manner; the second charging mode is to charge the battery to a charging cut-off voltage by a constant current of 0.5-1C.
Furthermore, the street charging treasure rental system comprises a plurality of street charging treasure rental management units and a remote server, wherein the rental management units are in communication connection with the remote server; the street charging treasure comprises a unique corresponding identification code; the battery core used by the charger is a lithium ion battery, wherein the positive active material is LiMn0.82Ni0.15Cr0.02Al0.01O2The negative active material is graphite, and the additive of the electrolyte is 1.8% by volume of 1, 4-butanesultone and 1.2% by volume of difluoroethylene carbonate, characterized in that the system operates the above method.
The invention has the following beneficial effects:
1) the positive electrode active material is LiMn for a specific battery0.82Ni0.15Cr0.02Al0.01O2The negative electrode active material is graphite, the additive of the electrolyte is 1.8 volume percent of 1, 4-butanesultone and 1.2 volume percent of difluoroethylene carbonate, the inflection points at the two ends of the working voltage are 3.45V and 3.75V respectively, and the battery capacity which is basically 85 percent of the total capacity of the battery is in the voltage interval, therefore, the internal health state of the battery can be accurately determined by the polarization condition of the electrode by adopting large-current charging in the voltage interval;
2) for the battery with the deteriorated health state, the polarization condition of the battery can be relieved through the low-current charging mode of the first mode, the decomposition of the electrolyte is reduced, and the service life of the battery is prolonged;
3) the management method can measure the health state of the battery in a specific voltage interval aiming at the specific battery, and adopts a corresponding management mode, thereby prolonging the service life of the battery and reducing the maintenance cost.
Detailed Description
The present invention will be described in more detail below with reference to specific examples, but the scope of the present invention is not limited to these examples.
Examples
The operation method of the street charging treasure remote lease system comprises a plurality of street charging treasure lease management units and a remote server, wherein the lease management units are in communication connection with the remote server; the street charging treasure comprises a unique corresponding identification code; the battery core used by the charger is a lithium ion battery, wherein the positive active material is LiMn0.82Ni0.15Cr0.02Al0.01O2The negative active material is graphite, and the additive of the electrolyte is 1.8 volume percent of 1, 4-butyl sultone and 1.2 volume percent of difluoroethylene carbonate; the operation method comprises the following steps:
1) when a user puts forward the requirement of the rental street charger through the human-computer interaction module, the processor provides the charger for the user to use;
2) the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module;
3) when the user returns the charge pal, the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module, and the remote server determines the service life of the charge pal and calculates charging information;
4) the remote server determines a first preset voltage of 3.45V and a second preset voltage of 3.75V according to the identification code; the charging and discharging management module adjusts the cell voltage of the charger to be 3.45V of a first preset voltage, then charges the battery to be 3.75V of a second preset voltage by constant current of a preset current, the first preset voltage 3.45V and the second preset voltage 3.75V are the time length of the cell voltage recorded by the detection module from the first preset voltage to the second preset voltage, and the time length is set to be T; after the charging is stopped, placing the battery cell for a preset time period T, setting T/T to be 0.01, measuring the voltage of the battery cell to be set to be Vt, and sending the T and the Vt to a remote server;
5) calculating a judgment coefficient r, wherein r is (3.75V-Vt)/(3.75V-3.45V) -1.25X 0.01; when r is more than or equal to 0, charging in a first charging mode; and when r is less than 0, charging is carried out by adopting a second charging mode. The first charging mode is to charge the battery to a charging cut-off voltage by a current of 0.2-0.3C in a constant current manner; the second charging mode is to charge the battery to a charging cut-off voltage by a constant current of 0.5-1C.
In example 1, the first charge mode is 0.2C charge; the second charge mode is 0.5C charge.
In example 2, the first charging mode is 0.3C charging; the second charging mode is 1C charging.
Comparative example 1, 0.5C charging was used for all charge pal.
Comparative example 2, 0.5C charging was used for all charge pal.
TABLE 1
As can be seen from table 1, the power bank can have a high cycle capacity retention rate in the operation method of the present invention, that is, the technical effect of prolonging the service life of the power bank is obtained, and the operation cost and the maintenance cost can be reduced.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention.
Claims (7)
1. The operation method of the street charging treasure remote lease system comprises a plurality of street charging treasure lease management units and a remote server, wherein the lease management units are in communication connection with the remote server; the street charging treasure comprises a unique corresponding identification code; the operation method comprises the following steps:
1) when a user puts forward the requirement of the rental street charger through the human-computer interaction module, the processor provides the charger for the user to use;
2) the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module;
3) when the user returns the charge pal, the identification unit identifies the identification code of the charge pal and sends the identification code to a remote server through a communication module, and the remote server determines the service life of the charge pal and calculates charging information;
4) the remote server determines a charging and discharging operation parameter according to the identification code and sends the charging and discharging operation parameter to the processor, the processor controls the charging and discharging management module to perform charging and discharging operation on the charge pal according to the operation parameter, and the detection module detects state information of a battery cell in the charge pal; and sending the state information to a remote server;
5) the remote server formulates a charging mode of the power bank according to the state information.
2. The method of the previous claim, wherein in step 4, the remote server determines a first predetermined voltage V1 and a second predetermined voltage V2 according to the identification code; the charge and discharge management module adjusts the cell voltage of the charger to a first preset voltage V1, then charges the battery to a second preset voltage V2 by constant current charging at a preset current, and the first preset voltage V1 and the second preset voltage V2 record the time length of the cell voltage from the first preset voltage to the second preset voltage for the detection module and set as T; and after the charging is stopped, placing for a preset time T, measuring the voltage of the battery cell, setting the voltage as Vt, and sending the T and the Vt to a remote server.
3. The method as claimed in the preceding claim, wherein step 5 is to calculate the judgment coefficient r, r ═ V2-Vt)/(V2-V1) -k × T/T; when r is more than or equal to 0, charging in a first charging mode; and when r is less than 0, charging is carried out by adopting a second charging mode.
4. The method of the preceding claim, wherein the battery cell used by the charger is a lithium ion batteryThe battery, wherein the positive electrode active material is LiMn0.82Ni0.15Cr0.02Al0.01O2The negative electrode active material was graphite, and the additive of the electrolyte was 1.8 vol% of 1, 4-butanesultone and 1.2 vol% of difluoroethylene carbonate.
5. The method of the preceding claim, said first predetermined voltage V1 being 3.45V; the second predetermined voltage V2 is 3.75V; the predetermined current is 1C; the T/T is 0.01; k is 1.25.
6. The method of the preceding claim, the first charging mode being constant current charging to a charge cutoff voltage with a current of 0.2-0.3C; the second charging mode is to charge the battery to a charging cut-off voltage by a constant current of 0.5-1C.
7. A street charging treasure rental system comprises a plurality of street charging treasure rental management units and a remote server, wherein the rental management units are in communication connection with the remote server; the street charging treasure comprises a unique corresponding identification code; the battery core used by the charger is a lithium ion battery, wherein the positive active material is LiMn0.82Ni0.15Cr0.02Al0.01O2The negative active material is graphite, and the additive of the electrolyte is 1.8% by volume of 1, 4-butanesultone and 1.2% by volume of difluoroethylene carbonate, characterized in that the system operates the method according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562143.1A CN113364834A (en) | 2021-05-24 | 2021-05-24 | Operation method of street power bank remote lease system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562143.1A CN113364834A (en) | 2021-05-24 | 2021-05-24 | Operation method of street power bank remote lease system |
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| CN113364834A true CN113364834A (en) | 2021-09-07 |
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| CN202110562143.1A Pending CN113364834A (en) | 2021-05-24 | 2021-05-24 | Operation method of street power bank remote lease system |
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