CN106501729A - A kind of test cabinet for possessing charging/discharging function - Google Patents
A kind of test cabinet for possessing charging/discharging function Download PDFInfo
- Publication number
- CN106501729A CN106501729A CN201611081659.XA CN201611081659A CN106501729A CN 106501729 A CN106501729 A CN 106501729A CN 201611081659 A CN201611081659 A CN 201611081659A CN 106501729 A CN106501729 A CN 106501729A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- unit
- test cabinet
- interference signal
- discharging function
- 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.)
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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]
- G01R31/3644—Constructional arrangements
Abstract
The invention discloses a kind of test cabinet for possessing charging/discharging function, the test cabinet includes interference signal signal generating unit, accessory power supply, display unit, lithium battery fixing device, lithium battery monitoring unit and control unit, the interference signal signal generating unit, accessory power supply, display unit, the difference control unit connection of lithium battery monitoring unit, lithium battery fixing device used are used for fixing lithium battery group.The interference signal signal generating unit is connected with lithium battery group by power amplification unit and beam antenna.The lithium battery obtains data record by BMS detectors and is sent to accident analysis unit.The interference signal signal generating unit includes white Gaussian noise, single frequency sinusoidal ripple, four kinds of interference signals of instantaneous high power pulse and linear frequency modulation ripple.
Description
Technical field
The invention belongs to rechargeable battery technical field, and in particular to a kind of test cabinet for possessing charging/discharging function.
Background technology
Existing lithium electrical detection device is both for single battery core mostly, and the detection of the lithium battery group of finished product is substantially
Using a kind of test cabinet for possessing charging/discharging function, means of testing is exactly that groups of lithium battery group is carried out filling from setting electric current
Electricity and discharge and record the curve chart of the process, by the test of this equipment of test cabinet, mainly judge that tested lithium battery group is
The normal discharge and recharge of no energy, pool-size how many.The major defect of this test cabinet has：Monomer electricity in lithium battery group cannot be monitored
The real-time voltage of core, if single battery core concordance is not high or even occurs that overcharge or overdischarge cause the feelings that battery core is damaged
Condition；Detection cannot be made to the system status in lithium battery group, even if protection system is not installed in lithium battery group still can
Setting by test cabinet is carrying out discharge and recharge；There is clear and definite voltage and current to limit to lithium battery group to be measured, if 100V50A
Test cabinet, can only carry out discharge test and voltage can not be too low to the lithium battery group of below 100V, and maximum discharge current can only
50A is less than, power during charging can be less.The test process of discharge and recharge is constant current or constant voltage mode, i.e., can only test out by
Discharge condition of the lithium battery group under the conditions of resistive load or minor fluctuations is surveyed, and the practical application of lithium battery group loads big absolutely portion
The fluctuating margin for being divided into inductive load and discharge current is very big, typically all the fluctuation range of decades of times even more high, i.e., cannot
Actual condition is more really simulated.As the load of lithium battery group mostly is inductive load and control model is pulsewidth modulation side
Formula, test cabinet cannot make test to the capacity of resisting disturbance of lithium battery group.
Content of the invention
According to above the deficiencies in the prior art, the technical problem to be solved is to propose one kind to possess charge and discharge electric work
The test cabinet of energy, by interference signal signal generating unit, solves test cabinet and cannot make survey to the capacity of resisting disturbance of lithium battery group
The problem of examination.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of test for possessing charging/discharging function
Cabinet, the test cabinet include that interference signal signal generating unit, accessory power supply, display unit, lithium battery fixing device, lithium battery monitoring are single
Unit and control unit, the interference signal signal generating unit, accessory power supply, display unit, lithium battery monitoring unit control list respectively
Unit's connection, lithium battery fixing device used are used for fixing lithium battery group.The interference signal signal generating unit passes through power amplification list
Unit and beam antenna are connected with lithium battery group.The lithium battery obtains data record by BMS detectors and is sent to accident analysis
Unit.The interference signal signal generating unit includes white Gaussian noise, single frequency sinusoidal ripple, instantaneous high power pulse and linear frequency modulation ripple four
Plant interference signal.The generation of the interference signal signal generating unit interference signal adopts software and radio technique, compiles in general
On journey device Platform, different waveforms are realized by different algorithms；The work of the waveform parameters such as frequency, dutycycle, swept bandwidth
Working frequency scope 1KHz～300MHz, interference signal signal generating unit interference signal output amplitude 10dBm-50dBm.The test cabinet is also
Including the constant current constant voltage test cell being connected with control unit, simulation type concussion test, tested lithium battery group is tested, is shaken
Swing frequency range big, 1 to 50 times of shock range rated value.
Present invention has the advantages that:The present invention carries lithium electricity consumption monitoring system by increasing detection port inside test cabinet, can
To the protection system synchronism detection that installs in lithium battery group；Overall employing limits power mode, expands test scope, and simulation type shakes
Mode height simulates actual condition；Numerical control multiple mode battery bag noiseproof feature (EMC) is tested, and is possessed broadband, is disturbed mould more
The power of test of the battery bag interference free performance under formula
Description of the drawings
Below the content expressed by this specification accompanying drawing and the labelling in figure are briefly described：
Fig. 1 is the system interference control structure figure of the specific embodiment of the present invention.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, each component of the specific embodiment of the present invention as involved by
Shape, the mutual alignment between construction, each several part and annexation, the effect of each several part and operation principle, manufacturing process and
Operate with method etc., is described in further detail, to help inventive concept, technology of the those skilled in the art to the present invention
Scheme has more complete, accurate and deep understanding.
A kind of test cabinet for possessing charging/discharging function, the test cabinet include interference signal signal generating unit, accessory power supply, display
Unit, lithium battery fixing device, lithium battery monitoring unit and control unit, the interference signal signal generating unit, accessory power supply, aobvious
Show that unit, the difference control unit connection of lithium battery monitoring unit, lithium battery fixing device used are used for fixing lithium battery group.Described
Interference signal signal generating unit is connected with lithium battery group by power amplification unit and beam antenna.The lithium battery is examined by BMS
Survey instrument obtains data record and is sent to accident analysis unit.The interference signal signal generating unit is just including white Gaussian noise, single-frequency
String ripple, four kinds of interference signals of instantaneous high power pulse and linear frequency modulation ripple.The generation of the interference signal signal generating unit interference signal
Using software and radio technique, on general programming device platform, different waveforms are realized by different algorithms；Frequently
Operating frequency range 1KHz～the 300MHz of the waveform parameters such as rate, dutycycle, swept bandwidth, interference signal signal generating unit interference letter
Number output amplitude 10dBm-50dBm.The test cabinet also includes that the constant current constant voltage test cell being connected with control unit, simulation type are shaken
Test is swung, tested lithium battery group is tested, concussion frequency range is big, 1 to 50 times of shock range rated value.
The power channels of intelligent full simulation test cabinet adopt 4 line system of single channel, and another increase detects port, inside test cabinet
Lithium electricity consumption monitoring system is carried, can be to the protection system synchronism detection of installation in lithium battery group；Overall employing limits power mode, expands
Test scope, simulation type concussion mode height simulation actual condition；Numerical control multiple mode battery bag noiseproof feature (EMC) is tested,
Possesses the power of test of the battery bag interference free performance under broadband, many jamming patterns.
1st, the public a port of discharge and recharge, need not change test port in test process, directly can carry out prolonged
Circulation burn-in test, 4 line systems are controlling measured deviation；
2nd, all single battery core states in built-in lithium electric protection system monitor in real time lithium battery group, in test cabinet to lithium
Set of cells carries out whole group electrical property while tested, and analyzes the diversity of each monomer, not only safety but also comprehensively, real tests
Each battery is arrived；
3rd, using limit power mode, make the test surfaces of test cabinet wider, be similarly the test cabinet of 100V50A, in general power
Under conditions of excess is not too high, the lithium battery group of all size can be tested, high voltage-small current, low-voltage, high-current, to property
The different lithium battery group of energy can be all carried out for very strong comprehensive test, almost without blind spot.
4th, except having conventional constant current constant voltage test pattern, simulation type concussion test can also be carried out, altitude simulation reality
Operating mode, makes test comprehensively to tested lithium battery group in the situation that various application scenarios are likely to occur.Concussion frequency range is big, shake
Swing amplitude up to rated value 50 times.
5th, the built-in multi-mode interference signal transmitter of testing equipment, can produce white Gaussian noise, single frequency sinusoidal ripple, instantaneous strong
Pulse and linear frequency modulation ripple these four interference signals.The generation of signal adopts software and radio technique, i.e., compile in general
On journey device (FPGA) platform, different waveforms are realized by different algorithms；The waveforms such as frequency, dutycycle, swept bandwidth are joined
Several modifications also only reprogramming it is achieved that operating frequency range is up to 1KHz～300MHz, with very strong flexible
Property.Signal output amplitude 10dBm-50dBm is adjustable, is realized by changing the gain of adjustable output power amplifier.
When carrying out noiseproof feature detection, interference signal transmitter first produces a certain interference signal, the built-in BMS of system
Work in every performance of the detector to BMS under strong jamming detect, such as defencive function, euqalizing current, data communication function,
Display function etc., and testing result is stored, contrasted with the normal operating parameters for prestoring, provided Trouble Report.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented
Restriction, as long as employing the improvement of various unsubstantialities that method of the present invention design and technical scheme are carried out, or without changing
Enter and the design of the present invention and technical scheme are directly applied to other occasions, within protection scope of the present invention.This
The protection domain that bright protection domain should be limited by claims is defined.
Claims (7)
1. a kind of test cabinet for possessing charging/discharging function, it is characterised in that the test cabinet includes interference signal signal generating unit, auxiliary
Power supply, display unit, lithium battery fixing device, lithium battery monitoring unit and control unit, the interference signal signal generating unit, auxiliary
Power supply, display unit, the difference control unit connection of lithium battery monitoring unit, lithium battery fixing device used is helped to be used for fixing lithium electricity
Pond group.
2. the test cabinet for possessing charging/discharging function according to claim 1, it is characterised in that the interference signal generates single
Unit is connected with lithium battery group by power amplification unit and beam antenna.
3. the test cabinet for possessing charging/discharging function according to claim 1, it is characterised in that the lithium battery passes through BMS
Detector obtains data record and is sent to accident analysis unit.
4. the test cabinet for possessing charging/discharging function according to claim 1, it is characterised in that the interference signal generates single
Unit includes white Gaussian noise, single frequency sinusoidal ripple, four kinds of interference signals of instantaneous high power pulse and linear frequency modulation ripple.
5. the test cabinet for possessing charging/discharging function according to claim 4, it is characterised in that the interference signal generates single
The generation of first interference signal adopts software and radio technique, on general programming device platform, by different algorithm realities
Existing different waveform；Operating frequency range 1KHz～the 300MHz of the waveform parameters such as frequency, dutycycle, swept bandwidth.
6. the test cabinet for possessing charging/discharging function according to claim 4, it is characterised in that interference signal signal generating unit is done
Disturb signal output amplitude 10dBm-50dBm.
7. the test cabinet for possessing charging/discharging function according to claim 1, it is characterised in that the test cabinet also includes and control
The constant current constant voltage test cell of unit connection processed, simulation type concussion test, tests to tested lithium battery group, shakes frequency model
Enclose greatly, 1 to 50 times of shock range rated value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081659.XA CN106501729A (en) | 2016-11-30 | 2016-11-30 | A kind of test cabinet for possessing charging/discharging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081659.XA CN106501729A (en) | 2016-11-30 | 2016-11-30 | A kind of test cabinet for possessing charging/discharging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106501729A true CN106501729A (en) | 2017-03-15 |
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ID=58327309
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611081659.XA Pending CN106501729A (en) | 2016-11-30 | 2016-11-30 | A kind of test cabinet for possessing charging/discharging function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101762800A (en) * | 2010-01-28 | 2010-06-30 | 北京航空航天大学 | Battery managing system testing platform |
| CN201576080U (en) * | 2009-12-03 | 2010-09-08 | 上海纳米技术及应用国家工程研究中心有限公司 | Power battery performance comprehensive test device |
| CN203554398U (en) * | 2013-10-19 | 2014-04-16 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Power signal source used for testing anti-interference performance of industrial control communication system |
| CN105116340A (en) * | 2015-08-13 | 2015-12-02 | 北京交通大学 | Battery life detection system based on harmonic detection and harmonic current control method |
| CN204925274U (en) * | 2015-08-14 | 2015-12-30 | 山东新大洋电动车有限公司 | BMS is at ring testing arrangement |
-
2016
- 2016-11-30 CN CN201611081659.XA patent/CN106501729A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201576080U (en) * | 2009-12-03 | 2010-09-08 | 上海纳米技术及应用国家工程研究中心有限公司 | Power battery performance comprehensive test device |
| CN101762800A (en) * | 2010-01-28 | 2010-06-30 | 北京航空航天大学 | Battery managing system testing platform |
| CN203554398U (en) * | 2013-10-19 | 2014-04-16 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Power signal source used for testing anti-interference performance of industrial control communication system |
| CN105116340A (en) * | 2015-08-13 | 2015-12-02 | 北京交通大学 | Battery life detection system based on harmonic detection and harmonic current control method |
| CN204925274U (en) * | 2015-08-14 | 2015-12-30 | 山东新大洋电动车有限公司 | BMS is at ring testing arrangement |
Non-Patent Citations (2)
| Title |
|---|
| ISO: "《INTERNATIONAL STANDARD ISO 11452-2》", 31 December 2004 * |
| 北京汽车新能源汽车有限公司: "《电动汽车BMS（电池管理系统）EMC测试标准（试行版）》", 21 June 2012 * |
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Application publication date: 20170315 |