CN114236392A - Communication method and device of lithium battery and life cycle statistical method - Google Patents

Communication method and device of lithium battery and life cycle statistical method Download PDF

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Publication number
CN114236392A
CN114236392A CN202111438005.9A CN202111438005A CN114236392A CN 114236392 A CN114236392 A CN 114236392A CN 202111438005 A CN202111438005 A CN 202111438005A CN 114236392 A CN114236392 A CN 114236392A
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China
Prior art keywords
information
lithium battery
module
detection module
communication
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CN202111438005.9A
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Chinese (zh)
Inventor
余海军
李爱霞
谢英豪
张学梅
李长东
陈康
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Hunan Brunp Recycling Technology Co Ltd
Guangdong Brunp Recycling Technology Co Ltd
Hunan Bangpu Automobile Circulation Co Ltd
Original Assignee
Hunan Brunp Recycling Technology Co Ltd
Guangdong Brunp Recycling Technology Co Ltd
Hunan Bangpu Automobile Circulation Co Ltd
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Application filed by Hunan Brunp Recycling Technology Co Ltd, Guangdong Brunp Recycling Technology Co Ltd, Hunan Bangpu Automobile Circulation Co Ltd filed Critical Hunan Brunp Recycling Technology Co Ltd
Priority to CN202111438005.9A priority Critical patent/CN114236392A/en
Publication of CN114236392A publication Critical patent/CN114236392A/en
Priority to PCT/CN2022/114292 priority patent/WO2023093150A1/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/371Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to the technical field of batteries, in particular to a communication method and a device of a lithium battery and a life cycle statistical method, wherein the communication method comprises the following steps: the position information of the lithium battery is acquired through the GPS module, and whether the lithium battery is in a pre-stored communicable area or not is judged according to the acquired position information; when the lithium battery is in a pre-stored communicable area, a communication module of the lithium battery is started, so that the communication module is connected with a signal transmitting unit of the communicable area according to a pre-stored account number and a password, the using information of the lithium battery is transmitted to the server through the signal transmitting unit, and the communication module is added with the serial number information of the battery when the using information is transmitted. Has the advantages that: by judging the position of the lithium battery and accessing the signal transmitting unit which is stored in advance and can be communicated with the communication area, the use information of the lithium battery can be stably and safely transmitted to the server for storage, and data interruption and loss are avoided.

Description

Communication method and device of lithium battery and life cycle statistical method
Technical Field
The invention relates to the technical field of batteries, in particular to a communication method and a communication device for a lithium battery and a life cycle statistical method.
Background
In order to acquire the life cycle of a battery, a common method is to add various information modules, measure and record the charging and discharging conditions of the battery, transmit the acquired data to a corresponding server through a mobile communication system, and then process the data by the server system.
However, the currently adopted method has the following defects: because various wireless network communication modes are adopted in the current communication systems of various batteries, various information data during the use of the batteries are in a wireless communication mode, the information transmitted by adopting the wireless communication is a paid service, a certain fee needs to be paid every year, and the phenomenon that the service is stopped due to the fact that a user forgets to pay the fee is often caused, so that the internal part of the batteries or various information obtained after the batteries are used for a period of time cannot be timely sent to a server for processing, various use data of the later use part of the batteries are lost, the use information of the batteries cannot be obtained finally, namely the use condition information of the batteries cannot be obtained, and further the life cycle of the batteries cannot be obtained.
Disclosure of Invention
The purpose of the invention is: the communication method, the communication device and the life cycle statistical method for the ternary lithium battery ensure that the use information of the battery can be completely acquired, and the life cycle of the battery is obtained based on the complete use information.
In order to achieve the above object, the present invention provides a communication method for a lithium battery, including:
the position information of the lithium battery is acquired through the GPS module, and whether the lithium battery is in a pre-stored communicable area or not is judged according to the acquired position information;
when the lithium battery is in a pre-stored communicable area, a communication module of the lithium battery is started, so that the communication module is connected with a signal transmitting unit of the communicable area according to a pre-stored account number and a password, the using information of the lithium battery is transmitted to the server through the signal transmitting unit, and the communication module is added with the serial number information of the battery when the using information is transmitted.
Further, the communication module is connected with the GPS module, information correction is performed between the GPS module and the communication module, and the communication module obtains time information and position information from the GPS module according to a preset period and sends the obtained time information and position information to the server.
Further, the communication module is one of a WiFi module and a bluetooth module.
Further, the usage information includes: SOC information and SOH information; the lithium battery includes: the device comprises an SOC detection module for measuring SOC information and an SOH detection module for measuring SOH information.
Further, the use information further comprises temperature information of the battery, and the lithium battery comprises a temperature detection module.
Furthermore, the use information further comprises charge and discharge information, and the lithium battery comprises a charge and discharge detection module.
Further, the pre-stored communicable area includes: filling station, fill electric pile and parking area.
The invention also discloses a communication device of the lithium battery, which comprises: the system comprises a communication module, a GPS module, a power management module, an SOC detection module, an SOH detection module, a charge-discharge detection module and a temperature detection module; the GPS module, the SOC detection module, the SOH detection module, the charge-discharge detection module, the temperature detection module and the power management module are all connected with the communication module; the system comprises a GPS module, a charge-discharge detection module, an SOC detection module and an SOH detection module, wherein the GPS module is used for collecting position information of a lithium battery, the charge-discharge detection module is used for detecting charge-discharge times, charge electric quantity and discharge electric quantity of the lithium battery, the SOC detection module is used for measuring SOC information, and the SOH detection module is used for measuring SOH information; the lithium battery, the GPS module, the SOC detection module, the SOH detection module, the temperature detection module and the charging and discharging detection module are all connected with the power management module; the power supply management module is used for controlling information acquisition of each module;
when the position information of the lithium battery is acquired through the GPS module and the lithium battery is judged to be in a pre-stored communicable area according to the acquired position information, a communication module of the lithium battery is started, so that the communication module is connected with a signal transmitting unit of the communicable area according to a pre-stored account number and a password, and the use information of the lithium battery is sent to a server through the signal transmitting unit; the communication module is used for adding the number information of the battery when sending the use information;
the usage information includes: charge and discharge information, SOC information, SOH information, temperature information, and position information.
The invention also discloses a lithium battery life cycle statistical method, which comprises the following steps:
the communication device of the lithium battery of claim 7 is applied to obtain the use information of a plurality of lithium batteries, data processing is carried out through the charge-discharge information, the SOC information and the SOH information, whether the output average value is within a preset error range is judged, and if the output average value is within the error range, the use information of the lithium battery corresponding to the battery code is reserved;
and calculating the life cycle of the lithium battery according to the reserved use information of the lithium battery.
Compared with the prior art, the communication method, the communication device and the life cycle statistical method of the lithium battery have the advantages that: by judging the position of the lithium battery and accessing the signal transmitting unit which is stored in advance and can be communicated with the communication area, the use information of the lithium battery can be stably and safely transmitted to the server for storage, and data interruption and loss are avoided.
Drawings
FIG. 1 is a schematic flow chart of a communication method for a lithium battery according to the present invention;
fig. 2 is a schematic structural diagram of a communication device of a lithium battery according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
as shown in fig. 1, the present invention discloses a communication method for a lithium battery, which mainly comprises the following steps:
step S1, acquiring the position information of the lithium battery through the GPS module, and judging whether the lithium battery is in a pre-stored communicable area or not according to the acquired position information;
and step S2, when the lithium battery is in the pre-stored communicable area, starting a communication module of the lithium battery, so that the communication module is connected with a signal transmitting unit of the communicable area according to the pre-stored account number and the password, and transmitting the use information of the lithium battery to the server through the signal transmitting unit, wherein the communication module is added with the serial number information of the battery when transmitting the use information.
In the embodiment, the position of the lithium battery is judged and the signal transmitting unit which is stored in advance and can be communicated with the communication area is accessed, so that the use information of the lithium battery can be stably and safely transmitted to the server to be stored, and the data interruption loss is avoided.
In this embodiment, continuously opening the communication module increases unnecessary power consumption, and effective information transmission cannot be performed, so that the communication module needs to be restarted after the position of the lithium battery is determined, and meaningless power consumption is avoided.
In this embodiment, the communication module that has in the lithium cell adopts wifi module or bluetooth module, the prestore has user name and password in wifi module or the bluetooth module, fills electric pile or filling station or parking area at the electric motor car, is provided with the wifi signal transmission unit that supplies above-mentioned wifi module to connect. The user name in the wifi signal emission unit in electric vehicle charging pile or filling station or the parking lot is hidden state, and lithium cell wifi communication module adopts the mode of automatic connection and wifi signal emission unit automatic connection after starting.
In this embodiment, the communication module is connected to the GPS module, the GPS module and the communication module perform information correction therebetween, and the communication module obtains time information and location information from the GPS module according to a preset period and sends the obtained time information and location information to the server together.
In this embodiment, the communication module is one of a WiFi module and a bluetooth module.
In this embodiment, the usage information includes: SOC information and SOH information; the lithium battery includes: the device comprises an SOC detection module for measuring SOC information and an SOH detection module for measuring SOH information.
In this embodiment, the SOC detection module is specifically a battery State of charge circuit measurement module (SOC), and the SOH detection module is specifically: and a battery health degree circuit measuring module (SOH) for measuring the SOC information and SOH information of the battery and sending the SOC information and SOH information to a server for statistical recording through a communication module.
In this embodiment, the usage information further includes temperature information of the battery, and the lithium battery includes a temperature detection module.
In this embodiment, the working temperature of the lithium battery has an important influence on the life of the lithium battery, so it is necessary to collect the working temperature of the lithium battery in real time, and further calculate a more accurate life cycle of the lithium battery.
In this embodiment, the usage information further includes charge and discharge information, and the lithium battery includes a charge and discharge detection module.
In this embodiment, the charge and discharge information includes a charge amount per time, a discharge amount per time, a charge number, a discharge number, and the like of the battery.
In this embodiment, the pre-stored communicable area includes: filling station, fill electric pile and parking area.
In this embodiment, the server calculates the entire average life cycle of each lithium battery that obtains the usage information, then counts the total charging electric quantity and the total discharging electric quantity of the lithium battery after all the charging and discharging times are completed, calculates the charging electric quantity and the discharging electric quantity in the entire life cycle of the lithium battery, then calculates the average life cycle of the lithium battery, and further calculates the carbon emission in the entire average life cycle, as the LCA life cycle and the full life cycle carbon emission data of the lithium battery with a certain specification.
Example 2:
on the basis of embodiment 1, the invention discloses a communication device of a lithium battery, which comprises: the system comprises a communication module, a GPS module, a power management module, an SOC detection module, an SOH detection module, a charge-discharge detection module and a temperature detection module; the GPS module, the SOC detection module, the SOH detection module, the charge-discharge detection module, the temperature detection module and the power management module are all connected with the communication module; the system comprises a GPS module, a charge-discharge detection module, an SOC detection module and an SOH detection module, wherein the GPS module is used for collecting position information of a lithium battery, the charge-discharge detection module is used for detecting charge-discharge times, charge electric quantity and discharge electric quantity of the lithium battery, the SOC detection module is used for measuring SOC information, and the SOH detection module is used for measuring SOH information; the lithium battery, the GPS module, the SOC detection module, the SOH detection module, the temperature detection module and the charging and discharging detection module are all connected with the power management module; the power supply management module is used for controlling information acquisition of each module;
when the position information of the lithium battery is acquired through the GPS module and the lithium battery is judged to be in a pre-stored communicable area according to the acquired position information, a communication module of the lithium battery is started, so that the communication module is connected with a signal transmitting unit of the communicable area according to a pre-stored account number and a password, and the use information of the lithium battery is sent to a server through the signal transmitting unit; the communication module is used for adding the number information of the battery when sending the use information;
the usage information includes: charge and discharge information, SOC information, SOH information, temperature information, and position information.
By collecting sufficient and detailed lithium battery use information, a life cycle model with more complete parameters can be established, and a more accurate life cycle is obtained. The life of each batch of batteries was evaluated by the resulting life cycle.
After the lithium batteries are decommissioned and disassembled, the lithium batteries are disassembled and then correspondingly detected, detected data are sent to corresponding servers, the servers process the received data, and whether the full life cycle of each lithium battery is finished or not is judged.
Since embodiment 2 is written based on embodiment 1, the description and limitations of embodiment 1 are also applicable to the technical solution of embodiment 2.
Example 3:
the invention discloses a lithium battery life cycle statistical method, which comprises the following steps:
the communication device of the application embodiment 2 acquires the use information of a plurality of lithium batteries, performs data processing through the charge and discharge information, the SOC information and the SOH information, and judges whether the output average value is within a preset error range, and if so, retains the use information of the lithium batteries corresponding to the battery codes;
and calculating the life cycle of the lithium battery according to the reserved use information of the lithium battery.
In this embodiment, the data collected in the server is sorted to find out the data that the charge and discharge times, the time of each charge, the environmental temperature of each charge and other key information are normal, so as to judge the full life cycle of the lithium battery. The use information is vital to the analysis of the life cycle of the lithium battery, so that large errors caused by empirical data are avoided, the most accurate judgment can be made on the full life cycle of the lithium battery, the actual data are analyzed and calculated, the optimal optimization processing can be performed on management software of the battery by comparing the actual data with the previous calculation model, the service life of the lithium battery is prolonged, adverse effects on the service life of the battery caused by some error habits or use states in the use of a user are avoided, and the service life of the lithium battery is prolonged by a method.
To sum up, the embodiment of the present invention provides a communication method, device and life cycle statistical method for a lithium battery, which have the following beneficial effects: by judging the position of the lithium battery and accessing the signal transmitting unit which is stored in advance and can be communicated with the communication area, the use information of the lithium battery can be stably and safely transmitted to the server for storage, and data interruption and loss are avoided.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (9)

1. A communication method of a lithium battery is characterized by comprising the following steps:
the position information of the lithium battery is acquired through the GPS module, and whether the lithium battery is in a pre-stored communicable area or not is judged according to the acquired position information;
when the lithium battery is in a pre-stored communicable area, a communication module of the lithium battery is started, so that the communication module is connected with a signal transmitting unit of the communicable area according to a pre-stored account number and a password, the using information of the lithium battery is transmitted to the server through the signal transmitting unit, and the communication module is added with the serial number information of the battery when the using information is transmitted.
2. The communication method of the ternary lithium battery as claimed in claim 1, wherein the communication module is connected to a GPS module, the GPS module and the communication module perform information correction therebetween, and the communication module obtains time information and location information from the GPS module according to a preset period and transmits the obtained time information and location information to the server together.
3. The communication method of the ternary lithium battery as claimed in claim 1, wherein the communication module is one of a WiFi module and a bluetooth module.
4. The communication method of the ternary lithium battery as claimed in claim 1, wherein the usage information comprises: SOC information and SOH information; the lithium battery includes: the device comprises an SOC detection module for measuring SOC information and an SOH detection module for measuring SOH information.
5. The communication method of the ternary lithium battery as claimed in claim 1, wherein the usage information further includes temperature information of the battery, and the lithium battery includes a temperature detection module.
6. The communication method of the ternary lithium battery as claimed in claim 1, wherein the usage information further comprises charge and discharge information, and the lithium battery comprises a charge and discharge detection module.
7. The communication method of the ternary lithium battery as claimed in claim 1, wherein the pre-stored communicable region comprises: filling station, fill electric pile and parking area.
8. A communication device for a lithium battery, comprising: the system comprises a communication module, a GPS module, a power management module, an SOC detection module, an SOH detection module, a charge-discharge detection module and a temperature detection module; the GPS module, the SOC detection module, the SOH detection module, the charge-discharge detection module, the temperature detection module and the power management module are all connected with the communication module; the system comprises a GPS module, a charge-discharge detection module, an SOC detection module and an SOH detection module, wherein the GPS module is used for collecting position information of a lithium battery, the charge-discharge detection module is used for detecting charge-discharge times, charge electric quantity and discharge electric quantity of the lithium battery, the SOC detection module is used for measuring SOC information, and the SOH detection module is used for measuring SOH information; the lithium battery, the GPS module, the SOC detection module, the SOH detection module, the temperature detection module and the charging and discharging detection module are all connected with the power management module; the power supply management module is used for controlling information acquisition of each module;
when the position information of the lithium battery is acquired through the GPS module and the lithium battery is judged to be in a pre-stored communicable area according to the acquired position information, a communication module of the lithium battery is started, so that the communication module is connected with a signal transmitting unit of the communicable area according to a pre-stored account number and a password, and the use information of the lithium battery is sent to a server through the signal transmitting unit; the communication module is used for adding the number information of the battery when sending the use information;
the usage information includes: charge and discharge information, SOC information, SOH information, temperature information, and position information.
9. A lithium battery life cycle statistical method is characterized by comprising the following steps:
the communication device of the lithium battery of claim 7 is applied to obtain the use information of a plurality of lithium batteries, data processing is carried out through the charge-discharge information, the SOC information and the SOH information, whether the output average value is within a preset error range is judged, and if the output average value is within the error range, the use information of the lithium battery corresponding to the battery code is reserved;
and calculating the life cycle of the lithium battery according to the reserved use information of the lithium battery.
CN202111438005.9A 2021-11-29 2021-11-29 Communication method and device of lithium battery and life cycle statistical method Pending CN114236392A (en)

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CN202111438005.9A CN114236392A (en) 2021-11-29 2021-11-29 Communication method and device of lithium battery and life cycle statistical method
PCT/CN2022/114292 WO2023093150A1 (en) 2021-11-29 2022-08-23 Communication method and apparatus for lithium battery, and life cycle statistical method

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Cited By (1)

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CN213383943U (en) * 2020-08-03 2021-06-08 上海元城汽车技术有限公司 Charging system

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Application publication date: 20220325