CN206440806U - A kind of measurement apparatus of lithium battery power characteristic - Google Patents
A kind of measurement apparatus of lithium battery power characteristic Download PDFInfo
- Publication number
- CN206440806U CN206440806U CN201621476379.4U CN201621476379U CN206440806U CN 206440806 U CN206440806 U CN 206440806U CN 201621476379 U CN201621476379 U CN 201621476379U CN 206440806 U CN206440806 U CN 206440806U
- Authority
- CN
- China
- Prior art keywords
- module
- lithium battery
- measurement apparatus
- voltage
- power characteristic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The utility model provides a kind of lithium battery power characteristic measurement apparatus for society, is made up of control module, power module, communication module, display module, memory module and monitoring modular.Control instruction is sent in control module by communication module by host computer, at the T1 moment, lithium battery A pulse signals are given, the duration is T, the magnitude of voltage for the lithium battery A that once sampled before the T1+T moment is U1；Then the T2 moment changes the size of pulse signal, and the duration is T, and T2 moment voltage monitorings chip sampling lithium battery A magnitude of voltage is U2, obtains voltage variety E=U2 U1 of the lithium battery A under two different pulse signals.Under different pulse signals, the degree changed by E judges the power characteristic of lithium battery.The utility model time of measuring is short, precision is high, can be clearly seen that the voltage variety of battery, so as to judge the quality of power characteristic, improves the accuracy of power of battery feature measurement by intuitive display.
Description
Technical field：
The utility model is related to the technical field of lithium battery measurement, scene operation, maintenance matter applied to various lithium batteries
Examine, disassemble and reclaim and assessed using the test of the lithium battery power characteristic of process.
Background technology：
At present, with the reduction of non-renewable energy resources, and various electronic equipments fast development, the requirement to the energy gets over
Come higher, the performance such as lithium battery is because production cost is low, energy density is high, lightweight, long lifespan, safety are good and extensively should
With the demand to battery is increasing, to the performance requirement more and more higher of battery.Lithium battery in use for some time, property
It can all can change, therefore the measurement of lithium battery power characteristic just seems extremely important.At present, in electric automobile, electronic
The application of the field such as instrument lithium battery is all that multiple batteries composition battery systems are operated.Battery system is by multiple battery modules
Composition, battery module is made up of multiple battery cells again.Therefore the power characteristic of battery is the important ginseng for describing lithium battery performance
Number.The measurement of the relative battery terminal voltage of measurement of total current is easy, and the solution of current main flow is by all kinds of biographies
Sensor directly measures electric current.Measurement to terminal voltage, have at present electric resistance partial pressure method, floating ground technology, direct sampling method, specially
The solution such as measure with chip.There is low measurement accuracy, the difficult matching of resistance, cost height, leakage current in these measuring methods
Etc. defect.The purpose of this utility model is exactly that can fast and accurately measure the power characteristic of lithium battery, to judge lithium battery
Performance quality and the test data for reclaiming and utilizing the science that provides.
The content of the invention：
The purpose of this utility model is：A kind of measurement apparatus of lithium battery power characteristic, the time that it can be shorter are provided
The interior power characteristic test for completing lithium battery, the pumping signal different by giving lithium battery, according to the variable quantity of its receiving not
The same quality to judge battery receptacle performance, measurement accuracy is high and cost is low.
The measurement apparatus of lithium battery power characteristic described in the utility model, by control module, power module, communication mould
Block, display module, memory module and the part of monitoring modular six are constituted.
Operation principle block diagram of the present utility model as shown in figure 1, need the tested battery of measured power characteristic for one,
Given current pulse signal change, the voltage of tested battery will also change.Using lithium battery A as System Discrimination pair
As I1-I16 is given pulse current value, and U1-U32 is the magnitude of voltage that measurement is obtained, and T is that given lithium battery A believes in pulse
Duration under number electric current I, at the time of T1-T17 is given lithium battery A current pulse signals, E1-E16 is lithium battery A electricity
The variable quantity of pressure value, P is the value for characterizing lithium battery A power characteristics.
Measurement apparatus power module is in electricity condition, lithium battery A is connected with the monitoring modular of measurement apparatus, monitoring
Module monitors lithium battery A voltage.The T1 moment gives lithium battery mono- pulse signal of A, duration a length of T, before the T1+T moment
Once sampling lithium battery A magnitude of voltage is U1；The T2 moment (i.e. T1+T moment) changes the size of pulse signal, and the duration is T,
T2 instance sample lithium batteries A magnitude of voltage is U2, now obtains voltage change E1s of the lithium battery A under two different pulse signals
=U2-U1.The different pulse signals of lithium battery A are given again, the duration is T, is repeated the above steps, lithium battery A voltage difference
For U3-U36, voltage change respectively E2-E16s of the lithium battery A under two different pulse signals is now obtained.According to obtaining
P values [（E1-E16）2+（E2-E15）2+（E3-E14）2+（E4-E13）2+（E5-E12）2+（E6-E11）2+（E7-E10）2+
（E8-E9）2]1/2Zero degree of leveling off to judges the quality of lithium battery power characteristic, and measurement process terminates.
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that it include control module 1,
Power module 2, communication module 3, display module 4, memory module 5, the part of monitoring modular more than 6 composition.
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that power module 2 is used for whole
Individual measurement apparatus provides power supply, can be selected in terms of chip model DC/DC modules HZD40-12D15, LNK304PN,
LNK364PN, power module of voltage regulation TPS76933 or DC/DC module LM2579 etc..
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that communication module 3 be used for by
Command language in the machine of position is sent in control module 1, it is contemplated that CAN transmission, Ethernet transmission and serial communication
Transmission means etc..
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that display module 4 is used to show
The data value collected, forms corresponding characteristic curve, and synthesis can show this characteristic of curve, in terms of selection, Ke Yikao
Consider desktop computer, notebook computer, LED LCDs and UM12864 LCD MODULEs etc..
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that memory module 5 is used to store
The data collected, the chip with memory function conventional on the market have AT24C02, CFM100, MC9S12UF32 and
Nand Flash memorizer K9F1208U0M etc..
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that monitoring modular 6 is used to monitor
The value of voltage under given pulse signal, as the nucleus module of whole measurement apparatus, can using LTC6803, LTC2943,
DS2438, CS5460A, MCT002 and PMAC51X etc..
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that control module 1 uses model
Realized for ARM9 processors S3C2440.
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that power module 2 uses DC/
DC modules HZD40-12D15 is realized, for whole measurement apparatus provides power supply.
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that communication module 3 uses RS-
232 serial communications realize, for transmit host computer to instruction.
The measurement apparatus of lithium battery power characteristic described in the utility model, is further characterized by, and communication module 3 is simultaneously
The data that monitoring modular 6 can be collected are sent to control module 1, then are transferred to display module 4 by control module 1.
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that display module 4 is using notes
This computer is realized, shows the data collected, and data are shown in graph form.
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that memory module 5 is used
Nand Flash memorizer K9F1208U0M, the data that storage monitoring modular 6 is collected, historical record is looked into facilitate.
The measurement apparatus of lithium battery power characteristic described in the utility model, it is characterised in that monitoring modular 6 is using intelligence
Voltage monitoring chip LTC6803 is realized, can monitor the magnitude of voltage of battery in real time.
The utility model has the advantages that：Revolutionizing the power measurement of conventional batteries needs long period, measurement accuracy
High and cost is high, not only increases the speed and accuracy of power of battery measurement, but also can be sentenced according to power characteristic
Power off the performance quality in pond.
Brief description of the drawings：
Fig. 1：Theory diagram of the present utility model；
Fig. 2：Specific current data curve maps of the lithium battery A of the present utility model in electric discharge and charging process；
Fig. 3：Specific voltage data curve maps of the lithium battery A of the present utility model in electric discharge and charging process；
Wherein：Pulse current given I1-I16, U1-U32 lithium batteries A response voltage, T1-T17 is given pulse
At the time of signal.
Embodiment：
Lithium battery discharges and the power characteristic in charging process, with reference to the accompanying drawings and examples to the present invention furtherly
It is bright:
Control module 1 is realized using model ARM9 processors S3C2440.
Power module 2 is realized using DC/DC modules HZD40-12D15, and 3.3V voltages are provided for whole measurement apparatus.
Communication module 3 realized using RS-232 serial communications, for transmit host computer to instruction, while passing through control
The data that monitoring modular 6 is collected are sent to control module 1 by module 1, then are transferred to display module 4 by control module 1.
Display module 4 is realized using note-book computer display screen, shows the data collected, and by data with curve
Form is shown.
Memory module 5 is realized using Nand Flash memorizer K9F1208U0M, stores the number that monitoring modular 6 is collected
According to looking into historical record to facilitate.
Monitoring modular 6 is realized using voltage monitoring chip LTC6803, and the magnitude of voltage of battery can be monitored in real time.
Case study on implementation is the measurement apparatus that lithium battery power characteristic is realized using ARM9 processors S3C2440, DC/DC modules
After HZD40-12D15 is powered, control instruction is sent in ARM9 processors S3C2440 by host computer by RS-232, gives lithium
Mono- pulse signal of battery A, the duration is 10s, in order that choose data it is more accurate, from curent change in a flash when
The magnitude of voltage U1 of a voltage sample is 2.810V before second moment of corresponding magnitude of voltage, i.e., 10, and data are in Nand Flash memorizer
Stored in K9F1208U0M, while it can be seen that electric current and voltage when discharging and charging are distinguished on note-book computer display screen
Two curves formed are as shown in Figure 2 and Figure 3.
The size of pulse signal is changed, the duration is 10s, and the magnitude of voltage U2 at 10 second moment is 2.855V, notebook electricity
Corresponding characteristic curve changes in brain display screen, now, and the variable quantity E1 of voltage is 0.0458V.
Lithium battery A is given to different pulse signals again, repeat the above steps obtain voltage variable quantity 0.0462V,
0.0462V, 0.0460V, 0.0456V, 0.0452V, 0.0449V, 0.0451V and 0.0429V, 0.0425V, 0.0423V,
0.0421V, 0.0419V, 0.0418V, 0.0416V, 0.0415V, while it can be seen that electric discharge on note-book computer display screen
Electric current and two curves being formed respectively of voltage during with charging now, obtain as shown in Figure 2 and Figure 3 [（E1-E16）2+（E2-
E15）2+（E3-E14）2+（E4-E13）2+（E5-E12）2+（E6-E11）2+（E7-E10）2+（E8-E9）2]1/2Value be
0.010348, it is designated as P.
Obtain P values and level off to 0, it can be determined that lithium battery A power characteristics are preferable.
Fig. 2 is the change curve of lithium battery A electric currents in electric discharge and charging process, and Fig. 3 is that lithium battery A is discharging and charged
During voltage change curve.
Claims (7)
1. a kind of measurement apparatus of lithium battery power characteristic, it is characterised in that it includes control module（1）, power module（2）、
Communication module（3）, display module（4）, memory module（5）, monitoring modular（6）；
Power module（2）For providing power supply to whole measurement apparatus, DC/DC modules can be selected in terms of chip model
HZD40-12D15, LNK304PN, LNK364PN, power module of voltage regulation TPS76933 or DC/DC module LM2579；
Communication module（3）For the command language in host computer to be sent into control module（1）In, it is contemplated that CAN transmission,
Ethernet transmission and the transmission means of serial communication；
Display module（4）For showing the data value that collects, form corresponding characteristic curve, synthesis can show curve this
Characteristic, in terms of selection, it may be considered that desktop computer, notebook computer, LED LCDs and UM12864 liquid crystal display modes
Block；
Memory module（5）For storing the data collected, have in the chip with memory function conventional on the market
AT24C02, CFM100, MC9S12UF32 and Nand Flash memorizer K9F1208U0M；
Monitoring modular（6）Value for monitoring the voltage under given pulse signal, can as the nucleus module of whole measurement apparatus
To use LTC6803, LTC2943, DS2438, CS5460A, MCT002 and PMAC51X.
2. a kind of measurement apparatus of lithium battery power characteristic according to claim 1, it is characterised in that control module（1）Adopt
Realized with model ARM9 processors S3C2440.
3. a kind of measurement apparatus of lithium battery power characteristic according to claim 1, it is characterised in that power module（2）Adopt
Realized with DC/DC modules HZD40-12D15, power supply is provided for whole measurement apparatus.
4. a kind of measurement apparatus of lithium battery power characteristic according to claim 1, it is characterised in that communication module（3）Adopt
Realized with RS-232 serial communications, for transmit host computer to instruction, while can be by monitoring modular（6）The number collected
According to being sent to control module（1）, then by control module（1）It is transferred to display module（4）.
5. a kind of measurement apparatus of lithium battery power characteristic according to claim 1, it is characterised in that display module（4）Adopt
Realized with notebook computer, show the data collected, and data are shown in graph form.
6. a kind of measurement apparatus of lithium battery power characteristic according to claim 1, it is characterised in that memory module（5）Adopt
Realized with Nand Flash memorizer K9F1208U0M, store monitoring modular（6）The data collected, history note is looked into facilitate
Record.
7. a kind of measurement apparatus of lithium battery power characteristic according to claim 1, it is characterised in that monitoring modular（6）Adopt
Realized with voltage monitoring chip LTC6803, the magnitude of voltage of battery can be monitored in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476379.4U CN206440806U (en) | 2017-06-05 | 2017-06-05 | A kind of measurement apparatus of lithium battery power characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476379.4U CN206440806U (en) | 2017-06-05 | 2017-06-05 | A kind of measurement apparatus of lithium battery power characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440806U true CN206440806U (en) | 2017-08-25 |
Family
ID=59643094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621476379.4U Expired - Fee Related CN206440806U (en) | 2017-06-05 | 2017-06-05 | A kind of measurement apparatus of lithium battery power characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440806U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109490790A (en) * | 2019-01-23 | 2019-03-19 | 哈尔滨理工大学 | Using the lithium dynamical battery power characteristic test method and device of compensated pulse method |
| CN109507603A (en) * | 2018-12-11 | 2019-03-22 | 潍柴动力股份有限公司 | A kind of power battery external characteristics test method and system |
| CN109633468A (en) * | 2018-12-25 | 2019-04-16 | 山东精工电子科技有限公司 | A kind of lithium ion battery power characteristic test method |
| CN112986832A (en) * | 2021-02-22 | 2021-06-18 | 哈尔滨理工大学 | Method, device and system for testing power characteristics of lithium power battery excited by sawtooth wave |
-
2017
- 2017-06-05 CN CN201621476379.4U patent/CN206440806U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507603A (en) * | 2018-12-11 | 2019-03-22 | 潍柴动力股份有限公司 | A kind of power battery external characteristics test method and system |
| CN109633468A (en) * | 2018-12-25 | 2019-04-16 | 山东精工电子科技有限公司 | A kind of lithium ion battery power characteristic test method |
| CN109633468B (en) * | 2018-12-25 | 2020-12-01 | 山东精工电子科技有限公司 | Method for testing power characteristics of lithium ion battery |
| CN109490790A (en) * | 2019-01-23 | 2019-03-19 | 哈尔滨理工大学 | Using the lithium dynamical battery power characteristic test method and device of compensated pulse method |
| CN112986832A (en) * | 2021-02-22 | 2021-06-18 | 哈尔滨理工大学 | Method, device and system for testing power characteristics of lithium power battery excited by sawtooth wave |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206440806U (en) | A kind of measurement apparatus of lithium battery power characteristic | |
| CN104392080B (en) | A kind of lithium battery fractional order becomes rank equivalent-circuit model and its discrimination method | |
| CN107015156B (en) | A kind of cell health state detection method and device | |
| CN107658511B (en) | Power lithium battery combination method and dynamic lithium battery method for group matching | |
| CN102508165B (en) | Method for evaluating self-discharge consistency of lithium iron phosphate battery | |
| CN104391159B (en) | The detection method and system of the single electrode potential of battery | |
| CN105510833B (en) | Accumulator method for detecting health status, apparatus and system | |
| CN104833919A (en) | Detection method of power battery health state and system | |
| CN102520365B (en) | Fast battery remaining capacity estimation system and method thereof | |
| CN205920203U (en) | Lithium cell detection device that ages | |
| CN104198948A (en) | Method for measuring self discharge of lithium battery | |
| CN102645635A (en) | Device and method for testing corresponding relation between open circuit voltage (OCV) and system on chip (SOC) | |
| CN203786271U (en) | Device for testing state of charge (SOC) of electric automobile battery pack | |
| CN109490790B (en) | Method and device for testing power characteristics of lithium power battery by adopting compensation pulse method | |
| CN108767335A (en) | Battery is monitored on-line and maintenance system | |
| CN106932730B (en) | Measuring device and measuring method for power characteristics of lithium power battery system | |
| CN104113101A (en) | Battery system with battery module and method for determining operating parameters | |
| CN207457458U (en) | A kind of accumulator wireless inspection device | |
| CN104181395A (en) | Device for measuring alternating-current impedance of lithium ion battery pack individual | |
| CN104931893A (en) | Modeling method suitable for large-scale batteries that are obviously inconsistent in parameter | |
| CN102680908A (en) | Battery status detection record analyzer and control method | |
| CN103529390A (en) | Battery residual electric amount measuring device based on single-chip microcomputer | |
| CN104678303B (en) | The method and system of battery state-of-health estimation | |
| CN106338642A (en) | Single cell consistency testing method | |
| CN111274539B (en) | Lithium battery SOH estimation method based on alternate least square method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20180605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |