CN114035080A - Automobile power battery charging and discharging test system - Google Patents
Automobile power battery charging and discharging test system Download PDFInfo
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- CN114035080A CN114035080A CN202111479160.5A CN202111479160A CN114035080A CN 114035080 A CN114035080 A CN 114035080A CN 202111479160 A CN202111479160 A CN 202111479160A CN 114035080 A CN114035080 A CN 114035080A
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- 238000012360 testing method Methods 0.000 title claims abstract description 123
- 238000007599 discharging Methods 0.000 title claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000013522 software testing Methods 0.000 abstract description 4
- 208000028659 discharge Diseases 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application discloses a charging and discharging test system for an automobile power battery, which comprises charging and discharging equipment; the system comprises a plurality of test loops connected with output interface lines of charge and discharge equipment, wherein each test loop comprises a relay, a voltage sensor and a current sensor; the first end of the voltage sensor is respectively connected with the first output interface line and a first electrode of the automobile power battery to be detected, and the second end of the voltage sensor is respectively connected with the second output interface line and a second electrode of the automobile power battery to be detected; the current sensor is connected between the first output interface wire and the first electrode or between the second output interface wire and the second electrode; the acquisition module is used for acquiring parameter information of the automobile power battery to be detected; and the heating boxes are used for heating the automobile power battery to be tested. This application connects a plurality of test return circuits on a charging and discharging equipment, and an automobile power battery can be connected to each test return circuit, and the maximize utilizes charging and discharging equipment, reduces test cost, promotes efficiency of software testing.
Description
Technical Field
The application relates to the field of automobile battery testing, in particular to an automobile power battery charging and discharging testing system.
Background
With the increasing energy crisis and environmental pollution, new energy automobiles are rapidly developing in recent years. The power battery of the new energy automobile has very important influence on the safety and the endurance mileage of the automobile, so that the detection of the power battery is very important. At present, when the power battery is subjected to charge and discharge detection, one detection device can only detect one power battery at a time, a connecting wire is detached after the test of one power battery is completed, the next power battery is connected, the disconnection of the connecting wire is very complicated, a large amount of test devices are needed to test a large amount of power batteries, the test input cost is higher, in addition, the parameter information of the power batteries at different temperatures needs to be measured in the test process, the time for heating the power batteries needs to be waited during each measurement, and the test efficiency is low.
Therefore, how to solve the above technical problems should be a great concern to those skilled in the art.
Disclosure of Invention
The application aims at providing a car power battery charge-discharge test system to promote efficiency of software testing, reduce test cost.
In order to solve the technical problem, the application provides a car power battery charge-discharge test system, includes:
charging and discharging equipment;
the system comprises a plurality of test loops connected with output interface lines of the charging and discharging equipment, wherein each test loop comprises a relay, a voltage sensor and a current sensor; the first end of the voltage sensor is respectively connected with the first output interface line and a first electrode of the automobile power battery to be detected, and the second end of the voltage sensor is respectively connected with the second output interface line and a second electrode of the automobile power battery to be detected; the current sensor is connected between the first output interface wire and the first electrode, or between the second output interface wire and the second electrode;
the acquisition module is used for acquiring the parameter information of the automobile power battery to be detected;
and the heating boxes are used for heating the automobile power battery to be detected.
Optionally, the vehicle power battery charge-discharge test system further includes:
and the temperature sensor is used for acquiring the temperature of the automobile power battery to be detected.
Optionally, the vehicle power battery charge-discharge test system further includes:
and the upper computer is connected with the acquisition module.
Optionally, the vehicle power battery charge-discharge test system further includes:
and the control loop is connected with the upper computer and is used for controlling the opening and closing of the relay.
Optionally, in the automobile power battery charge-discharge test system, the upper computer is connected with the programmable logic controller in the control loop in a wired connection manner.
Optionally, in the automobile power battery charge-discharge test system, the acquisition module is a can module.
Optionally, in the automobile power battery charging and discharging test system, the number of the can modules is equal to the number of the test loops.
Optionally, the vehicle power battery charge-discharge test system further includes:
the can adapter is connected between the can module and the upper computer.
The application provides a car power battery charge-discharge test system includes: charging and discharging equipment; the system comprises a plurality of test loops connected with output interface lines of the charging and discharging equipment, wherein each test loop comprises a relay, a voltage sensor and a current sensor; the first end of the voltage sensor is respectively connected with the first output interface line and a first electrode of the automobile power battery to be detected, and the second end of the voltage sensor is respectively connected with the second output interface line and a second electrode of the automobile power battery to be detected; the current sensor is connected between the first output interface wire and the first electrode, or between the second output interface wire and the second electrode; the acquisition module is used for acquiring the parameter information of the automobile power battery to be detected; and the heating boxes are used for heating the automobile power battery to be detected.
Therefore, the test system of the application is characterized in that a plurality of test loops are connected on a piece of charging and discharging equipment, each test loop comprises a relay, a voltage sensor and a current sensor, each test loop can be connected with an automobile power battery, the automobile power battery to be tested can be connected on each test loop, the voltage sensor and the current sensor can measure the voltage and the current on the test loops, the acquisition module can acquire the parameter information of the automobile power battery to be tested in the test process, one automobile power battery to be tested is tested each time by opening and closing the relay, the automobile power battery to be tested is uniformly removed after all tests are finished, repeated connection and disconnection in the test process are avoided, the measurement of the automobile power batteries to be tested can be completed by using one piece of charging and discharging equipment, the test cost is reduced, and, the heating cabinet can heat the corresponding automobile power battery that awaits measuring simultaneously, reaches the automobile power battery that awaits measuring of test temperature earlier and tests earlier, continues to heat up to the higher automobile power battery that awaits measuring of test temperature, begins the test when waiting that the temperature reaches the test requirement, can shorten test time greatly, promotes efficiency of software testing.
Drawings
For a clearer explanation of the embodiments or technical solutions of the prior art of the present application, the drawings needed for the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automobile power battery charging and discharging test system provided in an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As described in the background section, currently, when the charging and discharging detection is performed on the power battery, one detection device can only detect one power battery at a time, the connection line is removed after the test of one power battery is completed, the next power battery is connected, the connection line is very cumbersome to remove, a large amount of test equipment is required to test a large amount of power batteries, so that the test investment cost is high, in addition, the parameter information of the power batteries at different temperatures needs to be measured in the test process, and the time for heating the power batteries needs to be waited for each time of measurement, so that the test efficiency is low.
In view of this, the present application provides a charging and discharging test system for a power battery of an automobile, please refer to fig. 1, the system includes:
a charge and discharge device 1;
the system comprises a plurality of test loops connected with output interface lines of the charging and discharging equipment 1, wherein each test loop comprises a relay 2, a voltage sensor 4 and a current sensor 3; a first end of the voltage sensor 4 is respectively connected with a first output interface line and a first electrode of the to-be-detected automobile power battery 6, and a second end of the voltage sensor 4 is respectively connected with a second output interface line and a second electrode of the to-be-detected automobile power battery 6; the current sensor 3 is connected between the first output interface wire and the first electrode, or between the second output interface wire and the second electrode;
the acquisition module 5 is used for acquiring the parameter information of the automobile power battery 6 to be detected;
and the heating boxes are used for heating the automobile power battery 6 to be tested.
The number of the test loops is not limited in the application and can be set by oneself. Six test loops (CH1, CH2, CH3, CH4, CH5, CH6) are illustrated in fig. 1, and more test loops may be provided.
The voltage sensor 4 is used for measuring the charging and discharging voltage on the test loop.
The current sensor 3 is used for measuring the current charged and discharged on the test loop. The current sensor 3 is connected between the first output interface line and the first electrode, namely, a first end of the current sensor 3 is connected with the first output interface line, and a second end of the current sensor 3 is connected with the first electrode; between second output interface line and second electrode, i.e. the first end of current sensor 3 is connected with second output interface line, and the second end of current sensor 3 is connected with the second electrode.
When a relay 2 is closed, a test loop where the relay 2 is located is conducted, the automobile power battery 6 to be tested on the test loop is tested, the capacity of the automobile power battery is monitored by the overvoltage sensor 4 and the current sensor 3 in real time, after one-time charge and discharge test is completed, the relay 2 on the test loop is disconnected, then the relay 2 on the next test loop is closed, the automobile power battery 6 to be tested on the next test loop is tested, after the charge and discharge test is completed, the relay 2 on the test loop is disconnected, and the steps are repeated in sequence until the test of the automobile power batteries 6 to be tested on all the test loops is completed.
The parameter information collected by the collection module 5 includes, but is not limited to, the total pressure of the automobile power battery 6 to be tested, the voltage of the single battery in the automobile power battery 6 to be tested, and the temperature of the single battery.
The number of the acquisition modules 5 is not limited in the application and can be set by oneself. For example, the number of the collection modules 5 may be one, when a certain test loop is tested, the collection module 5 is connected to the vehicle power battery 6 to be tested on the test loop, and when a next test loop is tested, the collection module 5 is connected to the vehicle power battery 6 to be tested on the next test loop. Preferably, in order to avoid continuously adjusting the connection between the collection modules 5 and the vehicle power batteries 6 to be tested, the number of the collection modules 5 is equal to the number of the test loops. The acquisition module 5 may be a can module or other type of acquisition module.
The automobile power battery 6 to be tested is placed in a heating box, the heating box provides a temperature environment required by the test for the automobile power battery 6 to be tested, for example, if the automobile power battery 6 to be tested needs to be subjected to a charging and discharging test in an environment of 40 ℃, the heating box is heated to 40 ℃ and is subjected to heat preservation; and when the temperature of the single battery of the automobile power battery 6 to be measured needs to reach 50 ℃, heating the heating box until the temperature of the single battery reaches 50 ℃, and preserving the heat.
Optionally, the vehicle power battery charging and discharging test system may further include:
and the temperature sensor is used for acquiring the temperature of the automobile power battery 6 to be detected.
The temperature sensor can acquire the temperature of the single battery of the automobile power battery 6 to be measured.
In an embodiment of the present application, the vehicle power battery charging and discharging test system may further include: and the upper computer 7 is connected with the acquisition module 5.
The upper computer 7 receives the parameter information acquired by the acquisition module and judges whether to test according to the parameter information. For example, when the temperature of the single battery required on the current test loop reaches 50 ℃, and the discharge test is performed on the automobile power battery 6 to be tested, the upper computer 7 judges whether the temperature of the currently received single battery reaches 50 ℃, and if so, performs the discharge treatment on the automobile power battery 6 to be tested on the test loop, and if not, controls the heating box to continue heating until reaching 50 ℃, and then performs the discharge treatment.
Further, the method also comprises the following steps:
and the control loop 8 is connected with the upper computer 7 and is used for controlling the relay 2 to be opened and closed.
A programmable logic controller 9 is included in the control loop 8 for controlling the opening and closing of the relay 2 on the test loop.
When the power battery 6 of the automobile to be tested on a certain test loop reaches the test condition, the programmable logic controller 9 in the control loop 8 is controlled by the upper computer 7 to close the relay 2 on the test loop and close the relay 2 on the test loop which is finished by the previous test, so that the charging and discharging test of the power battery 6 of the automobile to be tested is automatically finished, the manual regulation is not needed for testing, and the labor cost is saved.
In the present application, the connection mode between the upper computer 7 and the programmable logic controller 9 is not limited, and may be set by itself. For example, the upper computer 7 is connected to the programmable logic controller 9 in the control loop 8 by a wired connection manner, which includes but is not limited to USB (Universal Serial Bus), 485 communication, and 422 communication; or the upper computer 7 is connected with the programmable logic controller 9 in a wireless connection mode, wherein the wireless connection mode includes but is not limited to Bluetooth and WiFi.
In one embodiment of the present application, when the number of can modules is equal to the number of test loops, the test system further comprises a can adaptor 10 connected between the can modules and the upper computer 7.
The can module transmits the acquired parameter information of the automobile power battery 6 to be tested to the upper computer 7 through the can adapter 10 and the can bus.
The upper computer 7 and the can adapter 10 may be connected by USB or by other means such as 485 communication or 422 communication, and the present application is not particularly limited.
The test system is characterized in that a plurality of test loops are connected on a piece of charging and discharging equipment 1, each test loop comprises a relay 2, a voltage sensor 4 and a current sensor 3, each test loop can be connected with an automobile power battery 6 to be tested, the voltage sensor 4 and the current sensor 3 can measure the voltage and the current on the test loop, an acquisition module 5 can acquire the parameter information of the automobile power battery 6 to be tested in the test process, one automobile power battery 6 to be tested is tested each time through the disconnection and the closing of the relay 2, the automobile power battery 6 to be tested is uniformly dismantled after all tests are finished, the repeated disconnection of connecting lines in the test process is avoided, and the measurement of the automobile power batteries 6 to be tested can be completed by using one piece of charging and discharging equipment 1, the test cost is reduced, and the heating cabinet can heat the corresponding automobile power battery 6 that awaits measuring simultaneously, and the automobile power battery 6 that awaits measuring that reaches test temperature earlier carries out the test earlier, continues to heat up to the higher automobile power battery 6 that awaits measuring of test temperature, begins the test when the temperature reaches the test requirement, can shorten test time greatly, promotes efficiency of software testing.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The automobile power battery charging and discharging test system provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (8)
1. The utility model provides an automobile power battery charge-discharge test system which characterized in that includes:
charging and discharging equipment;
the system comprises a plurality of test loops connected with output interface lines of the charging and discharging equipment, wherein each test loop comprises a relay, a voltage sensor and a current sensor; the first end of the voltage sensor is respectively connected with the first output interface line and a first electrode of the automobile power battery to be detected, and the second end of the voltage sensor is respectively connected with the second output interface line and a second electrode of the automobile power battery to be detected; the current sensor is connected between the first output interface wire and the first electrode, or between the second output interface wire and the second electrode;
the acquisition module is used for acquiring the parameter information of the automobile power battery to be detected;
and the heating boxes are used for heating the automobile power battery to be detected.
2. The vehicle power battery charge and discharge test system of claim 1, further comprising:
and the temperature sensor is used for acquiring the temperature of the automobile power battery to be detected.
3. The vehicle power battery charge and discharge test system of claim 1, further comprising:
and the upper computer is connected with the acquisition module.
4. The vehicle power battery charge and discharge test system of claim 3, further comprising:
and the control loop is connected with the upper computer and is used for controlling the opening and closing of the relay.
5. The vehicle power battery charging and discharging test system according to claim 4, wherein the upper computer is connected with the programmable logic controller in the control loop in a wired connection manner.
6. The vehicle power battery charging and discharging test system of claim 1, wherein the collection module is a can module.
7. The vehicle power battery charge and discharge test system of claim 6, wherein the number of can modules is equal to the number of test loops.
8. The vehicle power battery charge and discharge test system of claim 7, further comprising:
the can adapter is connected between the can module and the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111479160.5A CN114035080A (en) | 2021-12-06 | 2021-12-06 | Automobile power battery charging and discharging test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111479160.5A CN114035080A (en) | 2021-12-06 | 2021-12-06 | Automobile power battery charging and discharging test system |
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| CN114035080A true CN114035080A (en) | 2022-02-11 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012249A1 (en) * | 2012-07-20 | 2014-01-23 | 华北电力大学 | Electric vehicle charge-discharge simulation system and method thereof |
| CN204832465U (en) * | 2015-07-10 | 2015-12-02 | 国网冀北电力有限公司电力科学研究院 | Detecting system in power battery life -span |
| CN106814326A (en) * | 2016-12-20 | 2017-06-09 | 深圳市沃特玛电池有限公司 | Battery bag charging-discharge tester system |
| CN207389109U (en) * | 2017-11-09 | 2018-05-22 | 江西迪比科股份有限公司 | A kind of automobile power cell management system with optical communication |
| CN208000981U (en) * | 2018-02-05 | 2018-10-23 | 北京拓盛智联技术有限公司 | A kind of rechargeable battery |
| CN209784785U (en) * | 2019-05-07 | 2019-12-13 | 卓品智能科技无锡有限公司 | CAN adapter device |
| CN111929587A (en) * | 2020-07-30 | 2020-11-13 | 合肥国轩高科动力能源有限公司 | Integrated detection method for power battery pack finished product |
| CN111983371A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | New energy automobile high pressure return circuit preliminary filling system circulation endurance test device |
| CN112540307A (en) * | 2020-11-30 | 2021-03-23 | 北京振兴计量测试研究所 | Military power battery charging and discharging performance test system |
| CN214750398U (en) * | 2020-11-24 | 2021-11-16 | 北京通敏未来动力科技有限公司 | Test fixture for fuel cell membrane electrode |
-
2021
- 2021-12-06 CN CN202111479160.5A patent/CN114035080A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014012249A1 (en) * | 2012-07-20 | 2014-01-23 | 华北电力大学 | Electric vehicle charge-discharge simulation system and method thereof |
| CN204832465U (en) * | 2015-07-10 | 2015-12-02 | 国网冀北电力有限公司电力科学研究院 | Detecting system in power battery life -span |
| CN106814326A (en) * | 2016-12-20 | 2017-06-09 | 深圳市沃特玛电池有限公司 | Battery bag charging-discharge tester system |
| CN207389109U (en) * | 2017-11-09 | 2018-05-22 | 江西迪比科股份有限公司 | A kind of automobile power cell management system with optical communication |
| CN208000981U (en) * | 2018-02-05 | 2018-10-23 | 北京拓盛智联技术有限公司 | A kind of rechargeable battery |
| CN209784785U (en) * | 2019-05-07 | 2019-12-13 | 卓品智能科技无锡有限公司 | CAN adapter device |
| CN111929587A (en) * | 2020-07-30 | 2020-11-13 | 合肥国轩高科动力能源有限公司 | Integrated detection method for power battery pack finished product |
| CN111983371A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | New energy automobile high pressure return circuit preliminary filling system circulation endurance test device |
| CN214750398U (en) * | 2020-11-24 | 2021-11-16 | 北京通敏未来动力科技有限公司 | Test fixture for fuel cell membrane electrode |
| CN112540307A (en) * | 2020-11-30 | 2021-03-23 | 北京振兴计量测试研究所 | Military power battery charging and discharging performance test system |
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