CN106855609A - A kind of charging and discharging with port charging and discharging lithium battery functional test cabinet - Google Patents
A kind of charging and discharging with port charging and discharging lithium battery functional test cabinet Download PDFInfo
- Publication number
- CN106855609A CN106855609A CN201611082634.1A CN201611082634A CN106855609A CN 106855609 A CN106855609 A CN 106855609A CN 201611082634 A CN201611082634 A CN 201611082634A CN 106855609 A CN106855609 A CN 106855609A
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- China
- Prior art keywords
- lithium battery
- charging
- discharging
- test cabinet
- unit
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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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Abstract
The invention discloses a kind of charging and discharging with port charging and discharging lithium battery functional test cabinet, the test cabinet includes interference signal generation unit, accessory power supply, display unit, lithium battery fixing device, lithium battery monitoring unit and control unit, the interference signal generation unit, accessory power supply, display unit, the difference control unit connection of lithium battery monitoring unit, lithium battery fixing device used are used to fix lithium battery group.The interference signal generation unit is connected by power amplification unit and directional aerial with lithium battery group.The lithium battery obtains data record and is sent to accident analysis unit by BMS detectors.The interference signal generation unit includes white Gaussian noise, single frequency sinusoidal ripple, four kinds of interference signals of instantaneous flash and linear frequency modulation ripple.
Description
Technical field
The invention belongs to rechargeable battery technical field, and in particular to a kind of charging and discharging with port charging and discharging lithium battery
Functional test cabinet.
Background technology
Existing lithium electrical detection device is mostly both for single battery core, and the detection of the lithium battery group of finished product is substantially
Using a kind of charging and discharging with port charging and discharging lithium battery functional test cabinet, means of testing is exactly to groups of lithium battery group
Carry out the charging and discharging from setting electric current and record the curve map of the process, by the test of this equipment of test cabinet, mainly
Judge tested lithium battery group whether can normally discharge and recharge, pool-size how many.The major defect of this test cabinet has：Cannot monitor
The real-time voltage of single battery core in lithium battery group, if single battery core uniformity is not high or even overcharge or overdischarge occurs
The situation for causing battery core to be damaged；Detection cannot be made to the system status in lithium battery group, even if not pacifying in lithium battery group
Dress protection system still can carry out discharge and recharge by the setting of test cabinet；There is clear and definite voltage and current to limit to lithium battery group to be measured
System, if the test cabinet of 100V50A, discharge test can only be carried out to the lithium battery group of below 100V and voltage can not be too low,
Maximum discharge current can only be less than 50A, and power during charging can be smaller.The test process of discharge and recharge is constant current or constant pressure mould
Formula, i.e., can only test out discharge condition of the tested lithium battery group under the conditions of resistive load or minor fluctuations, and lithium battery group
The practical application load overwhelming majority is very big for the fluctuating range of inductive load and discharge current, typically all decades of times even more high
Fluctuation range, i.e., cannot more really simulate actual condition.Because the load of lithium battery group is generally inductive load and control
Pattern is pulse width modulation mode, and test cabinet cannot make test to the antijamming capability of lithium battery group.
The content of the invention
According to above the deficiencies in the prior art, the technical problems to be solved by the invention are to propose that a kind of charging and discharging is same
The charging and discharging lithium battery functional test cabinet of port, by interference signal generation unit, solving test cabinet cannot be to lithium battery group
Antijamming capability make the problem of test.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of charging and discharging with port lithium
Battery charging and discharging functional test cabinet, the test cabinet includes that interference signal generation unit, accessory power supply, display unit, lithium battery are solid
Determine device, lithium battery monitoring unit and control unit, the interference signal generation unit, accessory power supply, display unit, lithium battery
Monitoring unit difference control unit connection, lithium battery fixing device used is used to fix lithium battery group, the interference signal generation
Unit is connected by power amplification unit and directional aerial with lithium battery group；The test cabinet charging port and electric discharge port are all one
Individual port.
The power channels of the test cabinet are used to control measured deviation using 4 line systems, and test cabinet is using for expanding test model
The limitation power mode for enclosing.
The lithium battery obtains data record and is sent to accident analysis unit by BMS detectors.
The interference signal generation unit includes white Gaussian noise, single frequency sinusoidal ripple, instantaneous flash and linear frequency modulation
Four kinds of interference signals of ripple；Interference signal generation unit interference signal output amplitude 10dBm-50dBm.
The generation of the interference signal generation unit interference signal uses software and radio technique, in general Programmable
On part platform, different waveforms are realized by different algorithms；The work of the waveform parameters such as frequency, dutycycle, swept bandwidth is frequently
Rate scope 1KHz~300MHz.
All single battery core states in lithium battery monitoring unit monitor in real time lithium battery group, in test cabinet to lithium battery group
While carrying out whole group electrical property and tested, the otherness of each monomer is analyzed.The test cabinet also includes connecting with control unit
The constant current constant voltage test cell for connecing, simulation type concussion test, tests tested lithium battery group, and concussion frequency range is big, shake
Swing amplitude rated value 1 to 50 times.
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 installed in lithium battery group；Overall to expand test scope using limit power mode, 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
Brief description of the drawings
The mark in the content and figure expressed by this specification accompanying drawing is briefly described below：
Fig. 1 is the system construction drawing of specific embodiment of the invention.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the invention such as involved each component
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 those skilled in the art to inventive concept of the invention, technology
Scheme has more complete, accurate and deep understanding.
A kind of charging and discharging with port charging and discharging lithium battery functional test cabinet, the test cabinet include interference signal generation
Unit, accessory power supply, display unit, lithium battery fixing device, lithium battery monitoring unit and control unit, the interference signal life
Into unit, accessory power supply, display unit, the difference control unit connection of lithium battery monitoring unit, lithium battery fixing device used is used
In fixed lithium battery group.The interference signal generation unit is connected by power amplification unit and directional aerial with lithium battery group.
The lithium battery obtains data record and is sent to accident analysis unit by BMS detectors.The interference signal generation unit bag
Include white Gaussian noise, single frequency sinusoidal ripple, four kinds of interference signals of instantaneous flash and linear frequency modulation ripple.The interference signal generation
The generation of blocking interferer uses software and radio technique, on general programming device platform, by different algorithms
Realize different waveforms；Operating frequency range 1KHz~the 300MHz of the waveform parameters such as frequency, dutycycle, swept bandwidth, interference
Signal generation blocking interferer output amplitude 10dBm-50dBm.The test cabinet also includes that the constant current being connected with control unit is permanent
Pressure test cell, simulation type concussion test, tests tested lithium battery group, and concussion frequency range is big, and shock range is specified
1 to 50 times of value.
The power channels of intelligent full simulation test cabinet use the line system of single channel 4, another to increase detection 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；It is overall to use limit power mode, expand
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, can directly 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
Battery pack carries out whole group electrical property while tested, and analyzes the otherness of each monomer, not only safety but also comprehensively, real test
Each battery is arrived；
3rd, using limit power mode, make the test surfaces of test cabinet wider, the test cabinet of 100V50A is similarly, 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 with conventional constant current constant voltage test pattern, can also carrying out simulation type concussion test, altitude simulation reality
Operating mode, test comprehensively is made 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 emitter 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 uses software and radio technique, i.e., compiled 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.10dBm-50dBm is adjustable for signal output amplitude, is realized by the gain for changing adjustable output power amplifier.
When carrying out noiseproof feature detection, interference signal emitter 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, provide Trouble Report.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented and do not receive aforesaid way
Limitation, 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 design of the invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.This hair
Bright protection domain should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of charging and discharging with port charging and discharging lithium battery functional test cabinet, it is characterised in that the test cabinet includes dry
Signal generation unit, accessory power supply, display unit, lithium battery fixing device, lithium battery monitoring unit and control unit are disturbed, it is described
Interference signal generation unit, accessory power supply, display unit, the difference control unit connection of lithium battery monitoring unit, lithium battery used
Fixing device is used to fix lithium battery group, and the interference signal generation unit is by power amplification unit and directional aerial and lithium electricity
Pond group connection；The test cabinet charging port and electric discharge port are all a port.
2. charging and discharging according to claim 1 with port charging and discharging lithium battery functional test cabinet, it is characterised in that
The power channels of the test cabinet are used to control measured deviation using 4 line systems, and test cabinet is using the limitation for expanding test scope
Power mode.
3. charging and discharging according to claim 1 with port charging and discharging lithium battery functional test cabinet, it is characterised in that
The lithium battery obtains data record and is sent to accident analysis unit by BMS detectors.
4. charging and discharging according to claim 1 with port charging and discharging lithium battery functional test cabinet, it is characterised in that
The interference signal generation unit includes that four kinds of white Gaussian noise, single frequency sinusoidal ripple, instantaneous flash and linear frequency modulation ripple are done
Disturb signal；Interference signal generation unit interference signal output amplitude 10dBm-50dBm.
5. charging and discharging according to claim 4 with port charging and discharging lithium battery functional test cabinet, it is characterised in that
The generation of the interference signal generation unit interference signal uses software and radio technique, in general programming device platform
On, different waveforms are realized by different algorithms；The operating frequency range of the waveform parameters such as frequency, dutycycle, swept bandwidth
1KHz~300MHz.
6. charging and discharging according to claim 4 with port charging and discharging lithium battery functional test cabinet, it is characterised in that
All single battery core states in lithium battery monitoring unit monitor in real time lithium battery group, whole group is carried out in test cabinet to lithium battery group
While electrical property is tested, the otherness of each monomer is analyzed.
7. charging and discharging according to claim 1 with port charging and discharging lithium battery functional test cabinet, it is characterised in that
The test cabinet also includes the constant current constant voltage test cell being connected with control unit, simulation type concussion test, to being tested lithium battery group
Tested, concussion frequency range is big, 1 to 50 times of shock range rated value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082634.1A CN106855609A (en) | 2016-11-30 | 2016-11-30 | A kind of charging and discharging with port charging and discharging lithium battery functional test cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611082634.1A CN106855609A (en) | 2016-11-30 | 2016-11-30 | A kind of charging and discharging with port charging and discharging lithium battery functional test cabinet |
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| Publication Number | Publication Date |
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| CN106855609A true CN106855609A (en) | 2017-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611082634.1A Pending CN106855609A (en) | 2016-11-30 | 2016-11-30 | A kind of charging and discharging with port charging and discharging lithium battery functional test cabinet |
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| CN (1) | CN106855609A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557923A (en) * | 2020-12-01 | 2021-03-26 | 上海电器科学研究所（集团）有限公司 | Battery overdischarge test method |
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| 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 |
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2016
- 2016-11-30 CN CN201611082634.1A patent/CN106855609A/en active Pending
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| 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 |
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| 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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| CN112557923A (en) * | 2020-12-01 | 2021-03-26 | 上海电器科学研究所（集团）有限公司 | Battery overdischarge test method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170616 |