CN113156317A - Battery pack testing system - Google Patents
Battery pack testing system Download PDFInfo
- Publication number
- CN113156317A CN113156317A CN202110435614.2A CN202110435614A CN113156317A CN 113156317 A CN113156317 A CN 113156317A CN 202110435614 A CN202110435614 A CN 202110435614A CN 113156317 A CN113156317 A CN 113156317A
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- CN
- China
- Prior art keywords
- battery pack
- battery
- management system
- voltage acquisition
- acquisition unit
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- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000007599 discharging Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- 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
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery pack testing system which comprises a first battery pack, a second battery pack, a cascade voltage acquisition unit, a first battery management system and a second battery management system, wherein the first battery management system is connected with the first battery pack to manage the first battery pack, the second battery management system is connected with the second battery pack to manage the second battery pack, and the first battery management system and the second battery management system are respectively connected with an adapter. The invention provides a system better used for testing a battery pack, realizes the diversification of the detection modes of the battery pack test system, is convenient for a user to selectively implement according to the needs, and achieves the use effect of improving the detection efficiency.
Description
Technical Field
The invention relates to a test system of a battery pack, and belongs to the technical field of power supply test.
Background
Under the pressure that the energy crisis is continuously deepened and the environmental problems are increasingly highlighted, the electric automobile is rapidly developed by the characteristics of low carbon, energy conservation and environmental protection. The battery is used as an energy unit and a key component of the electric automobile, and directly influences the performance of the electric automobile. The testing of the battery pack refers to the production stage of the battery pack, and the manufactured battery pack is inspected and tested. In the prior art, a system for better testing the battery pack does not exist, so that the detection mode of the battery pack testing system is single, the battery pack testing system cannot be selectively implemented by a user as required, and the using effect of improving the detection efficiency cannot be achieved. Therefore, a battery pack testing system is urgently needed to solve the problem in the prior art.
In order to solve the technical problems, a new technical scheme is especially provided.
Disclosure of Invention
The present invention is directed to a battery pack testing system to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a test system of a battery pack comprises a first battery pack, a second battery pack, a cascade voltage acquisition unit, a first battery management system and a second battery management system, wherein the first battery management system is connected with the first battery pack to manage the first battery pack, the second battery management system is connected with the second battery pack to manage the second battery pack, and the first battery management system and the second battery management system are respectively connected with an adapter.
Preferably, the first battery pack and the second battery pack are opposite in charge and discharge states, and when the first battery pack is subjected to a discharge test and the second battery pack is subjected to a charge test, the adapter adjusts a discharge voltage and a discharge current of the first battery pack to a charge voltage and a charge current of the second battery pack to charge the second battery pack.
Preferably, when a charge test is performed on the first battery pack and a discharge test is performed on the second battery pack, the adapter adjusts a discharge voltage and a discharge current of the second battery pack to a charge voltage and a charge current of the first battery pack to charge the first battery pack.
Preferably, the first battery pack and the second battery pack are connected in series, and the cascade voltage acquisition unit is used for acquiring cascade voltage of the first battery pack and the second battery pack which are connected in series.
Preferably, the cascade voltage acquisition unit comprises a sub-cascade voltage acquisition unit, the number of the single batteries is the same as that of the sub-cascade voltage acquisition unit, one sub-cascade voltage acquisition unit is connected with the negative electrode of one single battery to acquire one cascade voltage, the sub-cascade voltage acquisition unit comprises a voltage acquisition module, a main control module and a display module, the negative electrode of the single battery is connected with the input end of the voltage acquisition module, the output end of the voltage acquisition module is connected with the input end of the main control module, and the output end of the main control module is connected with the input end of the display module.
Compared with the prior art, the invention has the beneficial effects that: the system for testing the battery pack well is provided, the detection mode of the battery pack testing system is diversified, the user can selectively implement the system according to the requirement, and the using effect of improving the detection efficiency is achieved.
Drawings
FIG. 1 is a block diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings of the specification, the invention provides a technical scheme that: a test system of a battery pack comprises a first battery pack, a second battery pack, a cascade voltage acquisition unit, a first battery management system and a second battery management system, wherein the first battery management system is connected with the first battery pack to manage the first battery pack, the second battery management system is connected with the second battery pack to manage the second battery pack, and the first battery management system and the second battery management system are respectively connected with an adapter.
Preferably, the first battery pack and the second battery pack are opposite in charge and discharge states, and when the first battery pack is subjected to a discharge test and the second battery pack is subjected to a charge test, the adapter adjusts a discharge voltage and a discharge current of the first battery pack to a charge voltage and a charge current of the second battery pack to charge the second battery pack.
Preferably, when a charge test is performed on the first battery pack and a discharge test is performed on the second battery pack, the adapter adjusts a discharge voltage and a discharge current of the second battery pack to a charge voltage and a charge current of the first battery pack to charge the first battery pack.
Preferably, the first battery pack and the second battery pack are connected in series, and the cascade voltage acquisition unit is used for acquiring cascade voltage of the first battery pack and the second battery pack which are connected in series.
Preferably, the cascade voltage acquisition unit comprises a sub-cascade voltage acquisition unit, the number of the single batteries is the same as that of the sub-cascade voltage acquisition unit, one sub-cascade voltage acquisition unit is connected with the negative electrode of one single battery to acquire one cascade voltage, the sub-cascade voltage acquisition unit comprises a voltage acquisition module, a main control module and a display module, the negative electrode of the single battery is connected with the input end of the voltage acquisition module, the output end of the voltage acquisition module is connected with the input end of the main control module, and the output end of the main control module is connected with the input end of the display module.
When the system is used, the invention provides the system which is better used for testing the battery pack, realizes the diversification of the detection modes of the battery pack test system, is convenient for a user to selectively implement according to the needs, and achieves the use effect of improving the detection efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A battery pack testing system, comprising: the battery management system comprises a first battery pack, a second battery pack, a cascade voltage acquisition unit, a first battery management system and a second battery management system, wherein the first battery management system is connected with the first battery pack to manage the first battery pack, the second battery management system is connected with the second battery pack to manage the second battery pack, and the first battery management system and the second battery management system are respectively connected with the adapter.
2. The battery pack testing system according to claim 1, wherein: when the first battery pack is subjected to a discharge test and the second battery pack is subjected to a charge test, the adapter adjusts the discharge voltage and the discharge current of the first battery pack to the charge voltage and the charge current of the second battery pack so as to charge the second battery pack.
3. The battery pack testing system according to claim 2, wherein: when a charging test is performed on the first battery pack and a discharging test is performed on the second battery pack, the adapter adjusts the discharging voltage and the discharging current of the second battery pack to the charging voltage and the charging current of the first battery pack to charge the first battery pack.
4. The battery pack testing system according to claim 3, wherein: the first battery pack and the second battery pack are connected in series, and the cascade voltage acquisition unit is used for acquiring cascade voltage of the first battery pack and the second battery pack which are connected in series.
5. The battery pack testing system according to claim 4, wherein: the cascade voltage acquisition unit comprises a sub-cascade voltage acquisition unit, the number of single batteries is the same as that of the sub-cascade voltage acquisition unit, one sub-cascade voltage acquisition unit is connected with the negative pole of one single battery to acquire a cascade voltage, the sub-cascade voltage acquisition unit comprises a voltage acquisition module, a main control module and a display module, the negative pole of the single battery is connected with the input end of the voltage acquisition module, the output end of the voltage acquisition module is connected with the input end of the main control module, and the output end of the main control module is connected with the input end of the display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110435614.2A CN113156317A (en) | 2021-04-22 | 2021-04-22 | Battery pack testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110435614.2A CN113156317A (en) | 2021-04-22 | 2021-04-22 | Battery pack testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113156317A true CN113156317A (en) | 2021-07-23 |
Family
ID=76869690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110435614.2A Pending CN113156317A (en) | 2021-04-22 | 2021-04-22 | Battery pack testing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN113156317A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070216355A1 (en) * | 2006-03-20 | 2007-09-20 | Lg Electronics Inc. | Apparatus and method for managing power of battery packs in a portable device |
| CN102324759A (en) * | 2011-06-30 | 2012-01-18 | 奇瑞汽车股份有限公司 | Battery group performance test and maintenance equipment |
| US20160118832A1 (en) * | 2014-10-27 | 2016-04-28 | Beyond Innovation Technology Co., Ltd. | Apparatus for charging and discharging battery |
| WO2018010185A1 (en) * | 2016-07-15 | 2018-01-18 | 深圳市科列技术股份有限公司 | Dynamic equalization circuit of battery management system, and dynamic equalization method therefor |
| CN108169684A (en) * | 2017-12-18 | 2018-06-15 | 安徽沃特玛新能源电池有限公司 | A kind of battery set charge/discharge tests system |
| CN108802473A (en) * | 2018-03-05 | 2018-11-13 | 博科能源系统(深圳)有限公司 | Battery pack cascade voltage acquisition system and more battery pack cascade voltage acquisition systems |
| US20200386815A1 (en) * | 2019-06-06 | 2020-12-10 | Panasonic Intellectual Property Corporation Of America | Open circuit voltage measuring method, open circuit voltage measuring device, and recording medium recording program |
-
2021
- 2021-04-22 CN CN202110435614.2A patent/CN113156317A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070216355A1 (en) * | 2006-03-20 | 2007-09-20 | Lg Electronics Inc. | Apparatus and method for managing power of battery packs in a portable device |
| CN102324759A (en) * | 2011-06-30 | 2012-01-18 | 奇瑞汽车股份有限公司 | Battery group performance test and maintenance equipment |
| US20160118832A1 (en) * | 2014-10-27 | 2016-04-28 | Beyond Innovation Technology Co., Ltd. | Apparatus for charging and discharging battery |
| WO2018010185A1 (en) * | 2016-07-15 | 2018-01-18 | 深圳市科列技术股份有限公司 | Dynamic equalization circuit of battery management system, and dynamic equalization method therefor |
| CN108169684A (en) * | 2017-12-18 | 2018-06-15 | 安徽沃特玛新能源电池有限公司 | A kind of battery set charge/discharge tests system |
| CN108802473A (en) * | 2018-03-05 | 2018-11-13 | 博科能源系统(深圳)有限公司 | Battery pack cascade voltage acquisition system and more battery pack cascade voltage acquisition systems |
| US20200386815A1 (en) * | 2019-06-06 | 2020-12-10 | Panasonic Intellectual Property Corporation Of America | Open circuit voltage measuring method, open circuit voltage measuring device, and recording medium recording program |
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