CN111766529A - Battery short circuit test bed and test method - Google Patents
Battery short circuit test bed and test method Download PDFInfo
- Publication number
- CN111766529A CN111766529A CN202010836478.3A CN202010836478A CN111766529A CN 111766529 A CN111766529 A CN 111766529A CN 202010836478 A CN202010836478 A CN 202010836478A CN 111766529 A CN111766529 A CN 111766529A
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- battery
- parameter analyzer
- short circuit
- resistance value
- power
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 238000010998 test method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000012827 research and development Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 241001544485 Cordulegastridae Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- 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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a battery short circuit test bed and a test method, and relates to the technical field of battery short circuit tests. The battery short circuit test bed comprises a tested battery, a current sensor, a parameter analyzer, a controller, a servo motor, a high-power on-load adjustable resistor and a main switch, wherein the resistance range of the parameter analyzer is 1-5m omega, and the tested battery, the current sensor, the parameter analyzer, the controller, the servo motor, the high-power on-load adjustable resistor and the main switch are electrically connected through leads. By designing the parameter analyzer, the servo motor and the high-power on-load adjustable resistor, when the line temperature and the resistor temperature rise in the test process and the whole line resistor is increased, the parameter analyzer can send an instruction to the controller to reduce the current resistance value when the resistance value is analyzed to be increased, and after the controller receives the instruction, the servo motor drives the high-power on-load adjustable resistor to adjust the corresponding resistance value, so that the stability of the resistance value in the test process is kept.
Description
Technical Field
The invention relates to the technical field of battery short circuit tests, in particular to a battery short circuit test bed and a test method.
Background
The electric automobile (BEV) is a vehicle which uses a vehicle-mounted power supply as power and uses a motor to drive wheels to run, and accords with various requirements of road traffic and safety regulations, because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen, but the current technology is not mature, the research and development of the electric automobile in China are obviously progressed, the key for developing the electric automobile lies in whether enterprises in China can master the core technology, and the key core technology of the electric automobile is three: the main performance indexes and the economic cost of the power battery determine the commercialization process of the electric automobile, the main performance of the power battery research and development products is at the international advanced level, the basic performance of the battery industry is strong, but some weak links need to be solved, the key technology, key materials and product research and development of the power battery in China are greatly advanced, compared with the international advanced levels of Japan, America, Germany and the like, the overall level is equivalent, the automobile power battery with two types of nickel hydrogen and lithium ions and a plurality of series developed by enterprises such as Biddi, Lishen, Rad and the like has the international advanced level, and the main performance indexes of energy density, power density and the like are at the international advanced level.
With the continuous development of new energy automobile technology, the battery short circuit test of the pure electric automobile is more and more important, but at present, the short circuit line resistance of the battery short circuit test equipment is a fixed value, and when the temperature of a short circuit system rises in the short circuit experiment process, the short circuit resistance changes due to the influence of a temperature coefficient, so that the short circuit test data is inaccurate, and therefore, the battery short circuit test bed and the test method are developed to be very important.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a battery short circuit test bed and a test method, which solve the problems that the short circuit line resistance of the conventional battery short circuit test equipment is a fixed value, and when the temperature of a short circuit system rises in the short circuit experiment process, the short circuit resistance changes due to the influence of a temperature coefficient, so that the short circuit test data is inaccurate.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a battery short circuit test bed comprises a battery to be tested, a current sensor, a parameter analyzer, a controller, a servo motor, a high-power on-load adjustable resistor and a main switch.
Preferably, the resistance value of the parameter analyzer ranges from 1 to 5m Ω.
Preferably, the battery to be tested, the current sensor, the parameter analyzer, the controller, the servo motor, the high-power on-load adjustable resistor and the main switch are electrically connected through leads.
A battery short circuit test bed and a test method are characterized in that: the method comprises the following specific steps:
s1, firstly, utilizing a lead to electrically connect a battery to be tested, a current sensor, a parameter analyzer, a controller, a servo motor, a high-power on-load adjustable resistor and a main switch;
s2, switching on a power supply, presetting a short-circuit resistor by using a parameter analyzer, and then sending a resistor parameter to a control instrument;
s3, the controller sends a control instruction after receiving the resistance parameters, the servo motor drives the high-power on-load adjustable resistor to adjust a corresponding resistance value, and the controller controls the main switch to be closed when the test is started;
s4, in the testing process, the parameter analyzer monitors the output voltage and the output current of the battery in real time, and the resistance value of the short-circuit line is calculated according to the formula R ═ U/I at any time;
and S5, the line temperature and the resistance temperature can be increased in the testing process, so that the resistance of the whole line is increased, when the parameter analyzer analyzes that the resistance value is increased, an instruction is sent to reduce the current resistance value, and after the controller receives the instruction, the servo motor drives the high-power on-load adjustable resistor to adjust the corresponding resistance value, so that the stability of the resistance value in the testing process is maintained.
(III) advantageous effects
The invention provides a battery short circuit test bed and a test method. The method has the following beneficial effects:
1. according to the battery short circuit test bed and the test method, the short circuit resistance can be preset before the test by designing and utilizing the parameter analyzer, so that the resistance of the whole test loop is not more than 5m omega, and the safety and the stability of the whole test loop are ensured.
2. According to the battery short circuit test bed and the test method, by designing the parameter analyzer, the servo motor and the high-power on-load adjustable resistor, when the temperature of a line and the temperature of the resistor are increased in the test process, and the whole line resistor is increased, the parameter analyzer can send an instruction to the controller to reduce the current resistance value when analyzing that the resistance value is increased, and after the controller receives the instruction, the servo motor drives the high-power on-load adjustable resistor to adjust the corresponding resistance value, so that the stability of the resistance value in the test process is kept, and the battery short circuit test bed and the test method are worthy of great popularization.
Drawings
FIG. 1 is a schematic structural 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.
Example (b):
as shown in fig. 1, an embodiment of the present invention provides a battery short circuit test bed, which includes a battery to be tested, a current sensor, a parameter analyzer, a controller, a servo motor, a high-power on-load adjustable resistor, and a main switch.
The resistance range of the parameter analyzer is 1-5m omega.
The tested battery, the current sensor, the parameter analyzer, the controller, the servo motor, the high-power on-load adjustable resistor and the main switch are electrically connected through leads.
A battery short circuit test bed and a test method thereof comprise the following steps:
s1, firstly, utilizing a lead to electrically connect a battery to be tested, a current sensor, a parameter analyzer, a controller, a servo motor, a high-power on-load adjustable resistor and a main switch;
s2, switching on a power supply, presetting a short-circuit resistor by using a parameter analyzer, then sending a resistor parameter to a controller, wherein the resistance of the whole test loop is not more than 5m omega according to test requirements, and the set resistance range of the parameter analyzer of the test equipment is 1-5m omega;
s3, the controller sends a control instruction after receiving the resistance parameters, the servo motor drives the high-power on-load adjustable resistor to adjust a corresponding resistance value, and the controller controls the main switch to be closed when the test is started;
s4, in the testing process, the parameter analyzer monitors the output voltage and the output current of the battery in real time, and the resistance value of the short-circuit line is calculated according to the formula R ═ U/I at any time;
and S5, the line temperature and the resistance temperature can be increased in the testing process, so that the resistance of the whole line is increased, when the parameter analyzer analyzes that the resistance value is increased, an instruction is sent to reduce the current resistance value, and after the controller receives the instruction, the servo motor drives the high-power on-load adjustable resistor to adjust the corresponding resistance value, so that the stability of the resistance value in the testing process is maintained.
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 (4)
1. A battery short circuit test bench which is characterized in that: the device comprises a battery to be tested, a current sensor, a parameter analyzer, a controller, a servo motor, a high-power on-load adjustable resistor and a main switch.
2. The battery short circuit test bed and the test method according to claim 1, wherein: the resistance range of the parameter analyzer is 1-5m omega.
3. The battery short circuit test bed and the test method according to claim 1, wherein: the tested battery, the current sensor, the parameter analyzer, the controller, the servo motor, the high-power on-load adjustable resistor and the main switch are electrically connected through leads.
4. The battery short circuit test bed and the test method according to claim 1, wherein: the method comprises the following specific steps:
s1, firstly, utilizing a lead to electrically connect a battery to be tested, a current sensor, a parameter analyzer, a controller, a servo motor, a high-power on-load adjustable resistor and a main switch;
s2, switching on a power supply, presetting a short-circuit resistor by using a parameter analyzer, and then sending a resistor parameter to a control instrument;
s3, the controller sends a control instruction after receiving the resistance parameters, the servo motor drives the high-power on-load adjustable resistor to adjust a corresponding resistance value, and the controller controls the main switch to be closed when the test is started;
s4, in the testing process, the parameter analyzer monitors the output voltage and the output current of the battery in real time, and the resistance value of the short-circuit line is calculated according to the formula R ═ U/I at any time;
and S5, the line temperature and the resistance temperature can be increased in the testing process, so that the resistance of the whole line is increased, when the parameter analyzer analyzes that the resistance value is increased, an instruction is sent to reduce the current resistance value, and after the controller receives the instruction, the servo motor drives the high-power on-load adjustable resistor to adjust the corresponding resistance value, so that the stability of the resistance value in the testing process is maintained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836478.3A CN111766529A (en) | 2020-08-19 | 2020-08-19 | Battery short circuit test bed and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836478.3A CN111766529A (en) | 2020-08-19 | 2020-08-19 | Battery short circuit test bed and test method |
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| Publication Number | Publication Date |
|---|---|
| CN111766529A true CN111766529A (en) | 2020-10-13 |
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| CN202010836478.3A Pending CN111766529A (en) | 2020-08-19 | 2020-08-19 | Battery short circuit test bed and test method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649749A (en) * | 2020-11-16 | 2021-04-13 | 中车长春轨道客车股份有限公司 | Controllable battery short circuit testing device and testing method thereof |
| CN118534356A (en) * | 2024-07-18 | 2024-08-23 | 长江三峡集团实业发展(北京)有限公司 | Battery external short circuit testing device, resistance value adjustment method and battery external short circuit testing method |
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| JP2008196852A (en) * | 2007-02-08 | 2008-08-28 | Fuji Electric Systems Co Ltd | Storage battery state measuring device, storage battery deterioration determination method, storage battery deterioration determination program |
| CN101326445A (en) * | 2005-12-08 | 2008-12-17 | 金得洙 | Method and device for measuring internal impedance of stationary battery |
| CN105974330A (en) * | 2016-07-27 | 2016-09-28 | 上海市计量测试技术研究院 | Battery short circuit test device and use method thereof |
| CN206362910U (en) * | 2017-01-04 | 2017-07-28 | 深圳市丰农源科技有限公司 | Battery core temperature sensing circuit based on unmanned plane |
| CN109143106A (en) * | 2018-08-09 | 2019-01-04 | 南京卡耐新能源技术发展有限公司 | A method of battery consistency is quickly detected by ac impedance measurement |
-
2020
- 2020-08-19 CN CN202010836478.3A patent/CN111766529A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101326445A (en) * | 2005-12-08 | 2008-12-17 | 金得洙 | Method and device for measuring internal impedance of stationary battery |
| JP2008196852A (en) * | 2007-02-08 | 2008-08-28 | Fuji Electric Systems Co Ltd | Storage battery state measuring device, storage battery deterioration determination method, storage battery deterioration determination program |
| CN105974330A (en) * | 2016-07-27 | 2016-09-28 | 上海市计量测试技术研究院 | Battery short circuit test device and use method thereof |
| CN206362910U (en) * | 2017-01-04 | 2017-07-28 | 深圳市丰农源科技有限公司 | Battery core temperature sensing circuit based on unmanned plane |
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Non-Patent Citations (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649749A (en) * | 2020-11-16 | 2021-04-13 | 中车长春轨道客车股份有限公司 | Controllable battery short circuit testing device and testing method thereof |
| CN118534356A (en) * | 2024-07-18 | 2024-08-23 | 长江三峡集团实业发展(北京)有限公司 | Battery external short circuit testing device, resistance value adjustment method and battery external short circuit testing method |
| CN118534356B (en) * | 2024-07-18 | 2024-10-29 | 长江三峡集团实业发展(北京)有限公司 | Battery external short circuit test equipment, resistance value adjusting method and battery external short circuit test method |
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Application publication date: 20201013 |