CN112986845A - Method for detecting electrical property consistency of lithium ion battery - Google Patents
Method for detecting electrical property consistency of lithium ion battery Download PDFInfo
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- CN112986845A CN112986845A CN201911295100.0A CN201911295100A CN112986845A CN 112986845 A CN112986845 A CN 112986845A CN 201911295100 A CN201911295100 A CN 201911295100A CN 112986845 A CN112986845 A CN 112986845A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/371—Arrangements 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention relates to the technical field of battery detection, in particular to a detection system for electrical property consistency of a lithium ion battery, wherein a battery property detection module is connected with a data diagnosis module in a signal connection mode, a battery protection module is also connected with a control module in a signal connection mode, the battery property detection module specifically comprises a temperature sensor module and a universal meter detector module, real-time detection of the temperature of a battery pack during operation is realized through the temperature sensor module, the universal meter detector module monitors the voltage and the current of the battery pack, and the detected data is transmitted to a microprocessor module through the data transmission module in a connection mode. The invention can monitor the battery in real time, analyze the data, and has the advantages of high response speed to the data, good linearity in a small signal range and high precision.
Description
Technical Field
The invention relates to the technical field of battery detection, in particular to a method for detecting electrical property consistency of a lithium ion battery.
Background
A battery refers to a device that converts chemical energy into electrical energy in a portion of the space of a cup, tank, or other container or composite container that holds an electrolyte solution and metal electrodes to produce an electrical current. Has a positive electrode and a negative electrode. With the advancement of technology, batteries generally refer to small devices that can generate electrical energy. Such as a solar cell. The performance parameters of the battery are mainly electromotive force, capacity, specific energy and resistance. The battery is used as an energy source, so that the current which has stable voltage and current, is stably supplied for a long time and is slightly influenced by the outside can be obtained, the battery has a simple structure, is convenient to carry, is simple and easy to operate, is not influenced by the outside climate and temperature, has stable and reliable performance, and plays a great role in various aspects of modern social life;
the existing detection method for the electrical performance consistency of the lithium ion battery in the market does not achieve real-time monitoring of the battery, analysis of data, slow response speed of the data, poor linearity in a small signal range and low precision.
Disclosure of Invention
The invention aims to solve the defects of low data response speed, poor linearity in a small signal range and low precision in the prior art, and provides a method for detecting the electrical property consistency of a lithium ion battery.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a detection system for electrical performance consistency of a lithium ion battery, which comprises a battery performance detection module, wherein the battery performance detection module is in signal connection with a battery pack, the battery performance detection module is connected with a data diagnosis module in a signal connection mode, the data diagnosis module is in signal connection with a battery protection module, the battery protection module is also in signal connection with a control module, the battery performance detection module specifically comprises a temperature sensor module and a universal meter detector module, real-time detection of the temperature of the battery pack during operation is realized through the temperature sensor module, the universal meter detector module monitors the voltage and the current of the battery pack and transmits the detected data to a microprocessor module through the connection of a data transmission module, the model of the microprocessor module is AT80C51, and the microprocessor module screens the data, And cleaning and recombining, and transmitting the processed data to a data diagnosis module through a wireless network transmission module.
Preferably, the data diagnosis module comprises a data signal receiving module, the data signal receiving module receives the data monitored in the management module in real time, transmits the received signals to the single chip microcomputer control module for calculation, and transmits the calculated data signals to the keyboard input module through the signal conversion module, so that the optical signals are converted into electric signals and transmitted to the keyboard input module, and meanwhile, the keyboard input module is in signal connection with the serial communication interface module.
Preferably, the battery protection module comprises a data converter module, the data converter module converts data and transmits the converted data to the X25045 chip module, and the X25045 chip module is in signal connection with the sound and light alarm module through the serial interface circuit module.
Preferably, the control module comprises a signal receiver module, the signal receiver module receives a signal in the battery protection module and transmits the signal to the central controller module, the central controller module is provided with a data calculation module, and the calculated data is transmitted through the wireless network transmission module.
Preferably, the battery data display module comprises a signal receiving module, the signal receiving module receives data information of the battery pack monitoring in the management module and transmits the data information to the central controller module, and the central controller module is electrically connected with the LCD battery data display module through the signal acquisition module.
Preferably, the data diagnosis module is connected with the data storage module, the data storage module comprises a data converter module, the data converter module converts information data signals in the fault dispute module, transmits the converted data information to the data coding module for coding, and transmits the coded data to the database module through the wireless network transmission module.
The invention also provides a detection method for the electrical property consistency of the lithium ion battery, which comprises the following steps:
s1, detection: detecting the battery recording temperature, current and voltage in operation through a temperature sensor arranged on the battery pack and a universal meter, and transmitting the detected data in a signal form;
s2, analyzing the data: the data collected in S1 are screened, preprocessed, analyzed and calculated through the arranged singlechip, controller and microprocessor, meanwhile, the command generated by the battery in real time is identified through the X25045 chip in the running process of the battery, and meanwhile, the audible and visual alarm connected with the X25045 chip through signals can give an alarm in time;
s3, data display: during the operation of the battery, the monitored data is dynamically displayed on an LCD (liquid crystal display) connected with the controller;
and S4, storing the data after S3 is finished.
Preferably, the storing of the S4 data specifically includes converting the signal by a data converter, converting the electrical signal into an optical signal, encoding and reconstructing by an encoder, and storing the output in a database by way of wireless network transmission.
The method for detecting the electrical property consistency of the lithium ion battery has the beneficial effects that: the detection method for the electrical property consistency of the lithium ion battery can monitor the battery in real time, analyze data, and has the advantages of high response speed to the data, good linearity in a small signal range and high precision.
Drawings
Fig. 1 is a system block diagram of a method for detecting electrical performance consistency of a lithium ion battery according to the present invention.
Fig. 2 is a system block diagram of a battery performance detection module of the detection method for electrical performance consistency of a lithium ion battery according to the present invention.
Fig. 3 is a system block diagram of a battery protection module of the method for detecting electrical performance consistency of a lithium ion battery according to the present invention.
Fig. 4 is a system block diagram of a control module of a method for detecting electrical performance consistency of a lithium ion battery according to the present invention.
Fig. 5 is a system block diagram of a data storage module of a method for detecting electrical performance consistency of a lithium ion battery according to the present invention.
Fig. 6 is a system block diagram of a battery data display module of the method for detecting electrical performance consistency of a lithium ion battery according to the present invention.
Fig. 7 is a system block diagram of a data diagnosis module of the method for detecting electrical performance consistency of a lithium ion battery according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-7, a system for detecting electrical performance consistency of lithium ion batteries comprises a battery performance detection module, wherein the battery performance detection module is in signal connection with a battery pack, the battery performance detection module is in signal connection with a data diagnosis module, the data diagnosis module is in signal connection with a battery protection module, the battery protection module is further in signal connection with a control module, the battery performance detection module specifically comprises a temperature sensor module and a universal meter detector module, real-time detection of temperature during operation of the battery pack is realized through the temperature sensor module, the universal meter detector module monitors voltage and current of the battery pack, detected data are transmitted to a microprocessor module through the data transmission module, the microprocessor module is AT80C51 in model, and the microprocessor module screens the data, And cleaning and recombining, transmitting the processed data to a data diagnosis module through a wireless network transmission module, detecting the voltage and the temperature of the battery through a universal meter detector in the working and discharging process of the battery, and monitoring the discharging state of the battery.
The data diagnosis module comprises a data signal receiving module, the data signal receiving module receives data monitored in the management module in real time and transmits the received signals to the single chip microcomputer control module for calculation, the calculated data signals pass through the signal conversion module, so that optical signals are converted into electric signals and transmitted to the keyboard input module, the keyboard input module is in signal connection with the serial communication interface module, the battery protection module comprises a data converter module, the data converter module converts the data and transmits the converted data to the X25045 chip module, the X25045 chip module is in signal connection with the acousto-optic alarm module through the serial interface circuit module, the control module comprises a signal receiver module, the signals in the battery protection module are received through the signal receiver module and transmitted to the central controller module, a data calculation module is arranged by means of the central controller module, and calculated data are transmitted through the wireless network transmission module.
The battery data display module comprises a signal receiving module, the data information monitored by the battery pack in the management module is received through the signal receiving module, the data information is transmitted to the central controller module, the central controller module is electrically connected with the LCD battery data display module through the signal acquisition module, the data diagnosis module is connected with the data storage module, the data storage module comprises a data converter module, the data converter module converts the information data signals in the fault dispute end module, the converted data information is transmitted to the data coding module to be coded, the coded data is transmitted to the database module through the wireless network transmission module, the detected data is stored and backed up, and the later-stage battery data monitoring and management module can be conveniently used for researching and developing the battery.
Example 2
Referring to fig. 1 to 7, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the present invention further provides a method for detecting electrical property consistency of a lithium ion battery, which is characterized by specifically including the following steps:
s1, detection: detecting the battery recording temperature, current and voltage in operation through a temperature sensor arranged on the battery pack and a universal meter, and transmitting the detected data in a signal form;
s2, analyzing the data: the data collected in S1 are screened, preprocessed, analyzed and calculated through the arranged singlechip, controller and microprocessor, meanwhile, the command generated by the battery in real time is identified through the X25045 chip in the running process of the battery, and meanwhile, the audible and visual alarm connected with the X25045 chip through signals can give an alarm in time;
s3, data display: during the operation of the battery, the monitored data is dynamically displayed on an LCD (liquid crystal display) connected with the controller;
s4, storing the data after S3 is completed, specifically including converting the signals through a data converter, converting the electric signals into optical signals, encoding and recombining the optical signals through an encoder, and storing the output in a database in a wireless network transmission mode;
the detection method can monitor the battery in real time, analyze data, and has the advantages of high data response speed, good linearity in a small signal range and high precision.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a detection system of lithium ion battery electrical property uniformity, including battery performance detection module, a serial communication port, battery performance detection module realizes signal connection with the group battery, battery performance detection module realizes being connected with data diagnosis module through signal connection's mode simultaneously, data diagnosis module and battery protection module signal connection simultaneously, battery protection module still signal connection has control module, battery performance detection module specifically includes temperature sensor module and omnipotent table detector module, realize the real-time detection to the temperature of group battery operation through temperature sensor module, omnipotent table detector module monitors the voltage and the electric current of group battery, and connect the data that will detect and transmit to the microprocessor module through data transmission module, and the model of microprocessor module is AT80C51, screen data through the microprocessor module, the utility model is connected to the data, the utility model is provided with the advantages of simple structure, convenient operation, high reliability, and convenient use, and, And cleaning and recombining, and transmitting the processed data to a data diagnosis module through a wireless network transmission module.
2. The system for detecting the electrical property consistency of the lithium ion batteries according to claim 1, wherein the data diagnosis module comprises a data signal receiving module, the data signal receiving module receives data monitored in the management module in real time, transmits the received signals to the single chip microcomputer control module for calculation, and converts optical signals into electrical signals through the signal conversion module and transmits the electrical signals to the keyboard input module, and the keyboard input module is in signal connection with the serial communication interface module.
3. The system for detecting the electrical property consistency of the lithium ion batteries according to claim 1, wherein the battery protection module comprises a data converter module, the data converter module converts data and transmits the converted data to the X25045 chip module, and the X25045 chip module is in signal connection with the audible and visual alarm module through a serial interface circuit module.
4. The system for detecting the electrical property consistency of the lithium ion batteries according to claim 1, wherein the control module comprises a signal receiver module, the signal receiver module receives signals in the battery protection module and transmits the signals to the central controller module, the central controller module is provided with a data calculation module, and the calculated data is transmitted through a wireless network transmission module.
5. The system for detecting the electrical performance consistency of the lithium ion batteries according to claim 1, wherein the battery data display module comprises a signal receiving module, the signal receiving module is used for receiving data information of the battery pack monitoring in the management module and transmitting the data information to the central controller module, and the central controller module is electrically connected with the LCD battery data display module through the signal acquisition module.
6. The system for detecting the electrical performance consistency of the lithium ion batteries according to claim 1, wherein the data diagnosis module is connected with the data storage module, the data storage module comprises a data converter module, the data converter module converts information data signals in the failure dispute module, transmits the converted data information to the data coding module for coding, and transmits the coded data to the database module through the wireless network transmission module.
7. The method for detecting the electrical property consistency of the lithium ion batteries according to claims 1 to 6, characterized by comprising the following steps:
s1, detection: detecting the battery recording temperature, current and voltage in operation through a temperature sensor arranged on the battery pack and a universal meter, and transmitting the detected data in a signal form;
s2, analyzing the data: the data collected in S1 are screened, preprocessed, analyzed and calculated through the arranged singlechip, controller and microprocessor, meanwhile, the command generated by the battery in real time is identified through the X25045 chip in the running process of the battery, and meanwhile, the audible and visual alarm connected with the X25045 chip through signals can give an alarm in time;
s3, data display: during the operation of the battery, the monitored data is dynamically displayed on an LCD (liquid crystal display) connected with the controller;
and S4, storing the data after S3 is finished.
8. The method according to claim 7, wherein the step of storing the data at S4 comprises converting the signal with a data converter, converting the electrical signal into an optical signal, encoding and reconstructing the optical signal with an encoder, and storing the output in a database by wireless network transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911295100.0A CN112986845A (en) | 2019-12-16 | 2019-12-16 | Method for detecting electrical property consistency of lithium ion battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236413A (en) * | 2021-12-15 | 2022-03-25 | 湖北德普电气股份有限公司 | Method for evaluating health state of power battery of electric vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914383A (en) * | 2015-06-26 | 2015-09-16 | 双竞科技有限公司 | Battery health condition detection module, system thereof and battery with detection module |
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- 2019-12-16 CN CN201911295100.0A patent/CN112986845A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914383A (en) * | 2015-06-26 | 2015-09-16 | 双竞科技有限公司 | Battery health condition detection module, system thereof and battery with detection module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236413A (en) * | 2021-12-15 | 2022-03-25 | 湖北德普电气股份有限公司 | Method for evaluating health state of power battery of electric vehicle |
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Application publication date: 20210618 |