CN107144792A - A kind of performance of lithium ion battery detecting system - Google Patents
A kind of performance of lithium ion battery detecting system Download PDFInfo
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- CN107144792A CN107144792A CN201710257600.XA CN201710257600A CN107144792A CN 107144792 A CN107144792 A CN 107144792A CN 201710257600 A CN201710257600 A CN 201710257600A CN 107144792 A CN107144792 A CN 107144792A
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000008569 process Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000000153 supplemental effect Effects 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/36—Overload-protection arrangements or circuits for electric measuring instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0421—Multiprocessor system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/22—Pc multi processor system
- G05B2219/2214—Multicontrollers, multimicrocomputers, multiprocessing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25032—CAN, canbus, controller area network bus
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2604—Test of external equipment
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to battery performance detection field, a kind of performance of lithium ion battery detecting system is disclosed.Including host computer and slave computer, slave computer includes microcontroller, charge and discharge control module, signal acquisition module and lithium ion battery；The charge and discharge process of host computer remote control slave computer, slave computer control and detection lithium ion battery；Microcontroller receives the data of host computer and signal acquisition module, and data are sent to host computer and charge and discharge control module；Charge and discharge control module receives micro controller data and lithium ion battery charge and discharge process is controlled；Signal acquisition module gathers lithium ion battery parameter and sends supplemental characteristic to microcontroller；Host computer and slave computer composition PID closed loop feedback controls loop, are communicated by CAN.The system can detect to polylith lithium ion battery simultaneously, long-range and accurately control battery charge and discharge process, implement to show battery parameters detected value, detection process automatically generates examining report after terminating.
Description
Technical field
The present invention relates to battery performance detection field, more particularly to the setting of a kind of performance of lithium ion battery detecting system
Meter.
Background technology
The high speed development of electronics and Chemical Industries make it that lithium ion battery industry development is very rapid.The capacity of lithium ion,
Performance parameter is the key of the renewal of power supply industry and electronic product.Lithium ion battery is high-quality requirement, a high safety
The product of performance, user often do not know the performance of battery when in use, cause the efficiency of battery when in use often up to not
To dreamboat, sometimes even blindly using can also cause the generation of battery explosion event, life can also sustain damage safely, because
The performance of this detection battery is vital.
The content of the invention
There is provided one for shortcoming of the invention for lacking the system reliably detected to lithium battery performance in the prior art
Plant performance of lithium ion battery detecting system.
Present invention accomplishes the detection demand of lithium battery module and mass, the long-range control of detection process can be synchronously realized
System.System is constructed present invention employs modular design philosophy, comprising epigynous computer section, using microcontroller as the control of core
Molding block, charge and discharge control module, the signal acquisition module of lithium battery etc..By the remote operation of host computer, realize that constant pressure is filled
The Through Several Survey Measures such as electricity, constant-current charge, constant-current discharge, limit charging, limit electric discharge.The system can at most meet 8 it is identical
The lithium ion battery of module is detected simultaneously.Host computer can carry out the real-time control to overall process after completing the parameter configuration of lithium battery
System, when being broken down in test process, can automatically be terminated or suspend its process.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of performance of lithium ion battery detecting system, including host computer and slave computer, slave computer include microcontroller, charge and discharge
Electric control module, signal acquisition module and lithium ion battery；Host computer remote control slave computer, slave computer control and detection lithium from
The charge and discharge process of sub- battery；Microcontroller receives the data of host computer and signal acquisition module, automatically controlled to host computer and charge and discharge
Molding block sends data；Charge and discharge control module receives micro controller data and lithium ion battery charge and discharge process is controlled
System；Signal acquisition module gathers lithium ion battery parameter and sends supplemental characteristic to microcontroller；Host computer and slave computer composition
PID closed loop feedback controls loop, is communicated by CAN.Using PID closed loop feedback controls, discharge and recharge is carried out to battery
Management, it is ensured that the precision and reliability of discharge and recharge.Host computer and slave computer are communicated using CAN, can be expanded to
The management of " one-to-many ".
Preferably, charge and discharge control module includes signal output apparatus, power conversion circuits and protection circuit；Wherein,
Power conversion circuits include PWM controller；Power conversion circuits are according to the data modulation (PWM) signal from microcontroller, to lithium
Ion battery charge and discharge process is controlled.Signal output apparatus can enter row format conversion to signal, and power conversion circuits are complete
Conversion between high-low pressure signal, protection circuit protection slave computer is normally run.
Preferably, signal acquisition module includes signal sampling and process circuit, A/D change-over circuits and temperature survey electricity
Road；Temperature measuring circuit includes 8 numeric type temperature sensors in parallel, and temperature sensor is connected by data wire and microcontroller
Connect.Three ports of 8 numeric type temperature sensors connect power supply, earth terminal and same data line respectively, and the data wire is straight
Microcontroller is connected in succession to measure, measurement accuracy can be improved using parallel way, and multi-point temp can be also measured simultaneously, it is real
Existing networking multi-point measurement function.
Preferably, protection circuit includes overvoltage detection circuit and overcurrent sensing circuit；Overvoltage detection circuit bag
The comparator of operational amplifier composition is included, the voltage of input overvoltage detection circuit passes through comparator and comparator inverting input
Reference voltage be compared, comparator transmits comparative result to microcontroller；Overcurrent sensing circuit includes Hall current
Detection chip and circuit is followed, Hall current detection chip is according to the cutting edge aligned voltage signal of magnetic field induction and by following circuit to pass
Transport to microcontroller.
Protection circuit is used for without damage, the overvoltage when by overvoltage, excessively stream of the component in protection circuit
Detect that circuit theory is that the magnitude of voltage that will be measured is compared with reference voltage, micro-control is sent a signal to if reference voltage is exceeded
Device processed, is made a response by microcontroller, adjusts voltage.Overcurrent sensing circuit detects circuital current, and detected value is sent to
Whether microcontroller, microcontroller Cutoff current is excessive, and adjustment size of current of reacting.Hall element is according to magnetic field induction
Go out a linear voltage signal, by internal amplification, filtering, copped wave and amendment circuit, output voltage signal.
Preferably, signal sampling includes signal amplification circuit with process circuit, signal amplification circuit prime is to include electricity
Hold the low-pass filter circuit with inductance, intergrade is to include the differential amplifier circuit of operational amplifier, and rear class is to include computing to put
The see-saw circuit of big device.Circuit prime is amplified except interference signal, circuit intergrade and rear class to signal.
Preferably, microcontroller, signal sampling and process circuit are powered by same power supply；Controller, signal sampling with
Power circuit is provided between process circuit and power supply, power circuit includes two integrated power supply chips, one of chip
It is connected, another chip is connected with signal sampling with process circuit, connects after two chips are in parallel with power supply with microcontroller
Connect.Power supply uses Switching Power Supply, switch power source output voltage and microcontroller operating voltage, signal sampling and processing in the system
Circuit voltage is all mismatched, it is therefore desirable to which integrated power supply chip carries out voltage conversion.
Preferably, host computer draws battery charging and discharging parameter real-time curve according to the data received in display interface；
Host computer analyzes lithium ion battery parameter detecting result and automatically generates examining report and log file.It is more intuitively to use
Person shows the parameters of battery, is easy to research, improves operating efficiency, saves time energy.
The present invention is as a result of above technical scheme, with significant technique effect：Simultaneously to polylith lithium ion battery
Detected, it is long-range and accurately control battery charge and discharge process, real-time exhibition battery parameters detected value, detection process knot
Examining report is automatically generated after beam.The system can automatic fault detection, fix a breakdown and terminate automatically or suspend and detected
Journey.
Brief description of the drawings
Fig. 1 is the structured flowchart of the embodiment of the present invention 1.
Fig. 2 is the power supply circuit figure of the embodiment of the present invention 1.
Fig. 3 is the control process schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the overvoltage detection circuit figure of the embodiment of the present invention 1.
Fig. 5 is the overcurrent sensing circuit figure of the embodiment of the present invention 1.
Fig. 6 is the signal amplification circuit figure of the embodiment of the present invention 1.
Fig. 7 is the temperature measuring circuit figure of the embodiment of the present invention 1.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, a kind of performance of lithium ion battery detecting system, including host computer and slave computer, slave computer includes micro-
Controller, charge and discharge control module, signal acquisition module and lithium ion battery；Host computer remote control slave computer, slave computer control
The charge and discharge process of system and detection lithium ion battery；Microcontroller receives the data of host computer and signal acquisition module, to upper
Machine and charge and discharge control module send data；Charge and discharge control module receives micro controller data and to lithium ion battery discharge and recharge
Process is controlled；Signal acquisition module gathers lithium ion battery parameter and sends supplemental characteristic to microcontroller；Host computer and
Slave computer composition PID closed loop feedback controls loop, is communicated by CAN.Charge and discharge control module includes signal output
Circuit, power conversion circuits and protection circuit；Signal acquisition module include signal sampling and process circuit, A/D change-over circuits and
Temperature measuring circuit.Microcontroller uses STM32 series monolithics in the present embodiment.
As shown in Fig. 2 microcontroller, signal sampling and process circuit are powered by same power supply；Controller, signal sampling with
Power circuit is provided between process circuit and power supply, power circuit includes two integrated power supply chips, one of chip
It is connected, another chip is connected with signal sampling with process circuit, connects after two chips are in parallel with power supply with microcontroller
Connect.Power supply uses Switching Power Supply in the system, and switch power source output voltage is 12V, and microcontroller operating voltage is 3.3V, signal
Sampling is 5V with process circuit operating voltage, it is therefore desirable to which integrated power supply chip carries out voltage conversion.Integrated electricity in the present embodiment
Supply voltage is converted to signal sampling and process circuit operating voltage by source chip using LM7805 model chips, using AS1117
Supply voltage is converted to microcontroller operating voltage by model chip.
As shown in figure 3, the data that microcontroller is sent to host computer are handled, control instruction and voltage, electric current is defeated
Go out the PWM controller that signal is sent to power conversion circuits, PWM controller controls the charge and discharge process of lithium ion battery.Signal
The feedback signal of sampling is sent into microcontroller by acquisition module, is compared with set-point, realizes that pid algorithm is adjusted by internal processes
The constant pressure of section, constant current charge-discharge closed-loop control.
As shown in figure 4, overvoltage detection circuit includes the comparator that operational amplifier is constituted, overvoltage detection circuit is inputted
Voltage U1 be compared by comparator, and the reference voltage of comparator inverting input, when too high, comparator output is high
Level, diode indicator lamp D1 is bright, and D4 is pressure limiting diode, is played a protective role.Microcontroller receives the letter from comparator
Number, circuit is adjusted according to internal processes output order.
As shown in figure 5, overcurrent sensing circuit includes Hall current detection chip and follows circuit, circuit core is to be based on
The ACS712 model current detecting chips of hall sensing principle, Hall element goes out a linear voltage according to magnetic field induction to be believed
Number, by internal amplification, filtering, copped wave and amendment circuit, export a voltage signal, 7th pin of the signal from chip
Output, follows circuit by what amplifier was constituted, is connected to controller and is detected.
As shown in fig. 6, signal amplification circuit two ends are connected to a small resistance terminal, the importation of prime is employed
L1, C9, L2, C10 constitute low pass circuit, and except interference signal, intergrade constitutes differential amplifier circuit by amplifier U6, U7, U8, its
Multiplication factor isRear class exports the see-saw circuit being made up of U9, and multiplication factor isD5 is limited
Press diode.
As shown in fig. 7, temperature measuring circuit includes 8 numeric type temperature sensors in parallel, temperature sensor passes through number
It is connected according to line with microcontroller.In the present embodiment, temperature sensor selects DS18B20 models, DS18B20 model monobus controls
The temperature sensor of system.Three ports of 8 DS18B20 type temperature sensors are connected respectively to power supply, earth terminal and data wire
DQ, data wire DQ may be coupled directly to microcontroller and measure.8 numeric type temperature sensors can detect 8 lithiums simultaneously
The temperature of electronic cell.R16 is pull-up resistor.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, should all belong to the covering scope of patent of the present invention.
Claims (7)
1. a kind of performance of lithium ion battery detecting system, it is characterised in that：Including host computer and slave computer, slave computer includes micro-control
Device processed, charge and discharge control module, signal acquisition module and lithium ion battery；Host computer remote control slave computer, slave computer control
With the charge and discharge process of detection lithium ion battery；Microcontroller receives the data of host computer and signal acquisition module, to host computer
Data are sent with charge and discharge control module；Charge and discharge control module receives micro controller data and to lithium ion battery discharge and recharge
Journey is controlled；Signal acquisition module gathers lithium ion battery parameter and sends supplemental characteristic to microcontroller；Host computer is with
Position machine composition PID closed loop feedback controls loop, is communicated by CAN.
2. a kind of performance of lithium ion battery detecting system according to claim 1, it is characterised in that：Charge and discharge control module
Including signal output apparatus, power conversion circuits and protection circuit；Wherein, power conversion circuits include PWM controller；Energy turns
Circuit is changed according to the data modulation (PWM) signal from microcontroller, lithium ion battery charge and discharge process is controlled.
3. a kind of performance of lithium ion battery detecting system according to claim 1, it is characterised in that：Signal acquisition module bag
Include signal sampling and process circuit, A/D change-over circuits and temperature measuring circuit；Temperature measuring circuit includes 8 numerals in parallel
Type temperature sensor, temperature sensor is connected by data wire with microcontroller.
4. a kind of performance of lithium ion battery detecting system according to claim 2, it is characterised in that：Protection circuit included
Voltage detecting circuit and overcurrent sensing circuit；Overvoltage detection circuit includes the comparator that operational amplifier is constituted, and inputs
The voltage of voltage detecting circuit is compared by the reference voltage of comparator and comparator inverting input, and comparator will compare
As a result transmit to microcontroller；Overcurrent sensing circuit includes Hall current detection chip and follows circuit, Hall current detection
Chip is according to the cutting edge aligned voltage signal of magnetic field induction and by following circuit transmission to microcontroller.
5. a kind of performance of lithium ion battery detecting system according to claim 3, it is characterised in that：Signal sampling and processing
Circuit includes signal amplification circuit, and signal amplification circuit prime is to include the low-pass filter circuit of electric capacity and inductance, and intergrade is
Differential amplifier circuit including operational amplifier, rear class is to include the see-saw circuit of operational amplifier.
6. a kind of performance of lithium ion battery detecting system according to claim 3, it is characterised in that：Microcontroller, signal
Sampling is powered with process circuit by same power supply；Power supply is provided between controller, signal sampling and process circuit and power supply
Circuit, power circuit includes two integrated power supply chips, and one of chip is connected with microcontroller, another chip and signal
Sampling is connected with process circuit, is connected after two chips are in parallel with power supply.
7. a kind of performance of lithium ion battery detecting system according to claim 1, it is characterised in that：Host computer is according to reception
The data arrived draw battery charging and discharging parameter real-time curve in display interface；Host computer analyzes lithium ion battery parameter detecting result
And automatically generate examining report and log file.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710257600.XA CN107144792A (en) | 2017-04-19 | 2017-04-19 | A kind of performance of lithium ion battery detecting system |
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| CN201710257600.XA CN107144792A (en) | 2017-04-19 | 2017-04-19 | A kind of performance of lithium ion battery detecting system |
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Cited By (5)
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| CN110095730A (en) * | 2019-04-22 | 2019-08-06 | 辽宁省交通高等专科学校 | Battery performance detection and assessment device during a kind of new-energy automobile Second-hand Vehicle Transaction |
| CN112886635A (en) * | 2021-01-27 | 2021-06-01 | 许昌学院 | Intelligent photovoltaic circuit of thing networking |
| CN115149131A (en) * | 2022-06-29 | 2022-10-04 | 东莞光亚智能科技有限公司 | Monitoring system and monitoring method for lithium battery formation and capacity-grading power supply |
| CN116027214A (en) * | 2023-03-30 | 2023-04-28 | 湖北蓝博新能源设备股份有限公司 | Battery detection equipment and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660001A (en) * | 2019-01-10 | 2019-04-19 | 中国铁塔股份有限公司四川省分公司 | A kind of base station reserve battery automatic charging system |
| CN110095730A (en) * | 2019-04-22 | 2019-08-06 | 辽宁省交通高等专科学校 | Battery performance detection and assessment device during a kind of new-energy automobile Second-hand Vehicle Transaction |
| CN110095730B (en) * | 2019-04-22 | 2024-03-29 | 辽宁省交通高等专科学校 | Battery performance detection and evaluation device in new energy automobile second-hand vehicle transaction process |
| CN112886635A (en) * | 2021-01-27 | 2021-06-01 | 许昌学院 | Intelligent photovoltaic circuit of thing networking |
| CN112886635B (en) * | 2021-01-27 | 2024-01-16 | 许昌学院 | Intelligent photovoltaic circuit of internet of things |
| CN115149131A (en) * | 2022-06-29 | 2022-10-04 | 东莞光亚智能科技有限公司 | Monitoring system and monitoring method for lithium battery formation and capacity-grading power supply |
| CN116027214A (en) * | 2023-03-30 | 2023-04-28 | 湖北蓝博新能源设备股份有限公司 | Battery detection equipment and system |
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