CN108871721A - A kind of test device and method of power battery - Google Patents
A kind of test device and method of power battery Download PDFInfo
- Publication number
- CN108871721A CN108871721A CN201810550984.9A CN201810550984A CN108871721A CN 108871721 A CN108871721 A CN 108871721A CN 201810550984 A CN201810550984 A CN 201810550984A CN 108871721 A CN108871721 A CN 108871721A
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- China
- Prior art keywords
- power battery
- shell
- tested
- pressurizing unit
- extrusion head
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of test device of power battery and methods, are related to power battery technology field, and described device includes：Testboard bay offers instrument connection on the testboard bay；For carrying the shell of power battery to be tested, the shell is set to the testboard bay, and is covered on the instrument connection；Pressurizing unit is set to the lower section of the testboard bay, and the pressurizing unit includes extrusion head, and the pressurizing unit can control extrusion head across the instrument connection, compresses the shell.The present invention simulates the power battery device of vehicle by the shell and the power battery, the object of the power battery device of the extrusion head simulated crash vehicle bottom of the pressurizing unit, by the driving states for simulating vehicle, can test in the vehicle travel process, object collide the power battery device the case where.
Description
Technical field
The present invention relates to power battery technology fields, and in particular to a kind of test device and method of power battery.
Background technique
In the process of moving, when encountering the road surface for having larger barrier, the battery pack of vehicle bottom is easy hair to electric car
The case where raw collision.Currently, mostly using vehicle to be tested greatly the crash tests of battery pack, process is many and diverse, is unable to test
The most weak spot of dynamical system, and carry out controlling test that can not be orderly.
Therefore, the test device and method for needing a kind of power battery, it is cumbersome to be able to solve power battery crash tests
With can not be aiming at the problem that power battery weak spot be tested.
Summary of the invention
The embodiment of the invention provides a kind of test device of power battery and methods, survey to solve power battery collision
It tries cumbersome and can not be aiming at the problem that power battery weak spot is tested.
In order to solve the above technical problems, the embodiment of the invention provides a kind of test devices of power battery, including：
Testboard bay offers instrument connection on the testboard bay；
For carrying the shell of power battery to be tested, the shell is set to the testboard bay, and is covered in institute
It states on instrument connection；
Pressurizing unit is set to the lower section of the testboard bay, and the pressurizing unit includes extrusion head, the extruding dress
Extrusion head can be controlled across the instrument connection by setting, and compress the shell.
Preferably, water-cooled plate is equipped between the power battery and the shell, the power battery passes through the water cooling
Plate and the case bonding.
Preferably, the testboard bay be equipped with multiple screw holes, the shell by bolt pass through the screw hole with it is described
Testboard bay connection.
Preferably, the extrusion head is the metal ball-head of diameter 100mm~300mm.
The embodiment of the invention also provides a kind of test methods of power battery, applied to power battery as described above
Test device, including：
The shell for carrying power battery to be tested is set to the testboard bay, and the power battery to
The position to be tested that test point corresponds to the shell can be covered on the instrument connection；
The extrusion head of the pressurizing unit is controlled, the instrument connection is passed through with default extruding force and squeezes the position to be tested
It sets；
Whether the power battery after judgement is extruded can generate failure.
Preferably, the method also includes：
It is emulated and is obtained on power battery by computer-aided engineering (CAE, Computer Aided Engineering)
Multiple pilots to be measured；
The extrusion head for controlling the pressurizing unit is successively squeezed described in each across the instrument connection with default extruding force
Pilot to be measured corresponds to the position to be tested on the shell.
Preferably, the extrusion head of the control pressurizing unit passes through the instrument connection with default extruding force and squeezes institute
Stating position to be tested includes：
It controls the extrusion head of the pressurizing unit and the instrument connection is passed through with pre-set velocity, be compressed on the shell
Position to be tested；
The extrusion head of the pressurizing unit is controlled to squeeze the position to be tested with default extruding force and keep default
Time.
Preferably, it in the extrusion head of the control pressurizing unit, passes through the instrument connection and is squeezed with default extruding force
After the position to be tested, the method also includes：
Judge the shell whether failure；
In the non-failure of the shell, controls the power battery and discharged with predetermined power；
Whether the discharge condition parameter for comparing the power battery is consistent with default discharge condition parameter；
In the discharge condition parameter and the inconsistent default discharge condition parameter of the power battery, determine described dynamic
Power battery generates failure.
Preferably, the method also includes：
In the shell failure, the most weak position for the test position power battery for making the shell break down is determined
It sets.
Preferably, the discharge condition parameter includes：Voltage, electric current and temperature when electric discharge.
Preferably, the shell failure includes：The shell is damaged, have liquid outflow, smolder in gassing at least
It is a kind of.
Compared with prior art, the test device and method of power battery provided in an embodiment of the present invention, at least have with
Lower beneficial effect：
By the way that the shell for carrying power battery to be tested is set to the testboard bay, and the power battery
Pilot to be measured correspond to the shell position to be tested can be covered on the instrument connection, control the pressurizing unit
Extrusion head passes through the instrument connection with default extruding force and squeezes the position to be tested, judges the power electric after being extruded
Whether pond can generate failure, can be tested for multiple weak spots of the power battery, when generating failure, judge institute
It states power battery to break down in which weak spot, carry out controlling test that can be orderly, reduces test risk.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the test device of power battery provided in an embodiment of the present invention；
Fig. 2 is the flow chart of the test method of power battery provided in an embodiment of the present invention；
Fig. 3 is the specific flow chart of the test method of power battery provided in an embodiment of the present invention；
Description of symbols：
1- testboard bay, 2- shell, 3- pressurizing unit, 31- extrusion head.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.In the following description, such as specific configuration is provided and the specific detail of component is only
In order to help comprehensive understanding the embodiment of the present invention.It therefore, it will be apparent to those skilled in the art that can be to reality described herein
Example is applied to make various changes and modifications without departing from scope and spirit of the present invention.In addition, for clarity and brevity, it is omitted pair
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the present invention.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
The embodiment of the invention provides a kind of test devices of power battery, as shown in Figure 1, including：Testboard bay 1, institute
It states and offers instrument connection on testboard bay 1；For carrying the shell 2 of power battery to be tested, the shell 2 is set to described
Testboard bay 1, and be covered on the instrument connection；Pressurizing unit 3 is set to the lower section of the testboard bay 1, and the extruding
Device 3 includes extrusion head 31, and the pressurizing unit 3 can control extrusion head 31 across the instrument connection, compress the shell 2.
The above embodiment of the present invention simulates the power battery device of vehicle by the shell 2 and the power battery,
The object of power battery device described in 31 simulated crash of extrusion head of the pressurizing unit 3, by simulating the driving states of vehicle,
Can test in the vehicle travel process, object collide the power battery device the case where.
In a specific embodiment of the invention, water-cooled plate, the power are equipped between the power battery and the shell 2
Battery is Nian Jie with the shell 2 by the water-cooled plate, can play the role of cooling；The power battery and the water
Rubber pad can be set between cold plate, rubber pad also can be set between the water-cooled plate and the shell 2.
In a specific embodiment of the invention, the testboard bay 1 is equipped with multiple screw holes, and the shell 2 passes through bolt
It is connect across the screw hole with the testboard bay 1, is fixed the testboard bay 1 and the connection of told shell 2 more.
In a specific embodiment of the invention, the extrusion head 31 is the metal ball-head of diameter 100mm~300mm, can be with
The stone collision in vehicle driving conditions is simulated, so that test is more accurate.
The embodiment of the invention also provides a kind of test methods of power battery, applied to described in any embodiment as above
The test device of power battery, as shown in Fig. 2, including：
The shell 2 for carrying power battery to be tested is set to the testboard bay 1 by step S1, and described dynamic
The position to be tested that the pilot to be measured of power battery corresponds to the shell 2 can be covered on the instrument connection；
Step S2 controls the extrusion head 31 of the pressurizing unit 3, passes through the instrument connection described in default extruding force extruding
Position to be tested；
Whether step S3, the power battery after judgement is extruded can generate failure.
The above embodiment of the present invention, by the way that the shell 2 for carrying power battery to be tested is set to the survey
Test stand frame 1, and the pilot to be measured of the power battery can be covered on the test corresponding to the position to be tested of the shell 2
Kong Shang controls the extrusion head 31 of the pressurizing unit 3, passes through the instrument connection with default extruding force and squeezes the position to be tested
It sets, whether the power battery after judgement is extruded can generate failure, can be directed to multiple weak spots of the power battery
It is tested, when generating failure, judges that the power battery breaks down in which weak spot, orderly can test
Control reduces test risk.
As shown in figure 3, illustrating the specific implementation process of above scheme below with reference to detailed process：
Step S11 emulates the multiple pilots to be measured obtained on power battery by computer-aided engineering CAE.
The shell 2 for carrying power battery to be tested is set to the testboard bay 1 by step S12, and described dynamic
The position to be tested that the pilot to be measured of power battery corresponds to the shell 2 can be covered on the instrument connection.
Step S13 controls the extrusion head 31 of the pressurizing unit 3 with pre-set velocity and passes through the instrument connection, compresses
Position to be tested on to the shell 2.
Here, the speed of pre-set velocity simulation vehicle when driving.
Step S14 controls the extrusion head 31 of the pressurizing unit 3 with default extruding force and squeezes the position to be tested
And keep preset time.
Here, preset extruding force simulated driving during collision object impact force.
Step S15, judge the shell 2 whether failure；In the 2 non-failure of shell, S16 is entered step；Described
When 2 failure of shell, S18 is entered step.
Here, 2 failure of shell may include：The shell 2 is damaged, have liquid outflow, smolder in gassing
It is at least one.
Step S16 is controlled the power battery and is discharged with predetermined power in the 2 non-failure of shell；Wherein, described
The discharge power of predetermined power simulation vehicle max. speed.
Step S17, in the power battery to compare the discharge condition of the power battery in predetermined power discharge process
Whether parameter is consistent with default discharge condition parameter；In the discharge condition parameter and the default discharge condition of the power battery
When parameter is consistent, S19 is entered step；It is different in the discharge condition parameter of the power battery and the default discharge condition parameter
When cause, S18 is entered step.
Step S18, in 2 failure of shell or the discharge condition parameter of the power battery and the default electric discharge shape
When state parameter is inconsistent, determine that the test position to break down for the most weak location of power battery, and exports most weak spot
Position.
Here, the most weak spot for determining simultaneously output power battery, can replace battery, can also be in the most thin of power battery
Weakness carries out reinforcement processing, and preventing the power battery from being collided leads to danger.
Step S19 determines that the power battery does not generate failure, and the power battery meets the safety requirements of vehicle.
Here, the discharge condition parameter may include：Voltage, electric current and temperature when electric discharge；The power battery is not
Failure is generated, the power battery can be used, improves safety；It, can be to the power when power battery generates failure
Battery carries out failure cause test and is handled, and the power battery can not also be applied on this vehicle, avoid generating
It is dangerous.
In a specific embodiment of the invention, in the driving states for simulating a kind of vehicle, pre-set velocity can be arranged
For 0.5mm/s~5mm/s, the default extruding force can be set to 5N~50KN, preset time can be set to 30s~
5min, predetermined power can be set to 50KW~100KW, and can continue 30 minutes power batteries that discharged and observed is
No generation failure.
In conclusion the embodiment of the present invention is described by the way that the shell 2 for carrying power battery to be tested to be set to
Testboard bay 1, and the pilot to be measured of the power battery can be covered on the survey corresponding to the position to be tested of the shell 2
On prospect hole, the extrusion head 31 of the pressurizing unit 3 is controlled, the instrument connection is passed through with default extruding force and squeezes the position to be tested
It sets, whether the power battery after judgement is extruded can generate failure, can be directed to multiple weak spots of the power battery
It is tested, when generating failure, judges that the power battery breaks down in which weak spot, orderly can test
Control reduces test risk.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (11)
1. a kind of test device of power battery, which is characterized in that including：
Testboard bay (1) offers instrument connection on the testboard bay (1)；
For carrying the shell (2) of power battery to be tested, the shell (2) is set to the testboard bay (1), and is covered
In on the instrument connection；
Pressurizing unit (3) is set to the lower section of the testboard bay (1), and the pressurizing unit (3) includes extrusion head (31),
The pressurizing unit (3) can control extrusion head (31) across the instrument connection, compress the shell (2).
2. the test device of power battery as described in claim 1, which is characterized in that the power battery and the shell
(2) water-cooled plate is equipped between, the power battery is Nian Jie with the shell (2) by the water-cooled plate.
3. the test device of power battery as described in claim 1, which is characterized in that the testboard bay (1) is equipped with more
A screw hole, the shell (2) pass through the screw hole by bolt and connect with the testboard bay (1).
4. the test device of power battery as described in claim 1, which is characterized in that the extrusion head (31) is diameter
The metal ball-head of 100mm~300mm.
5. a kind of test method of power battery, the test applied to the described in any item power batteries of Claims 1 to 4 is filled
It sets, which is characterized in that including：
The shell (2) for carrying power battery to be tested is set to the testboard bay (1), and the power battery
The position to be tested that pilot to be measured corresponds to the shell (2) can be covered on the instrument connection；
The extrusion head (31) of the pressurizing unit (3) is controlled, it is described to be tested with default extruding force extruding to pass through the instrument connection
Position；
Whether the power battery after judgement is extruded can generate failure.
6. the test method of power battery as claimed in claim 5, which is characterized in that the method also includes：
The multiple pilots to be measured obtained on power battery are emulated by computer-aided engineering CAE；
The extrusion head (31) for controlling the pressurizing unit (3) successively squeezes each across the instrument connection with default extruding force
The pilot to be measured corresponds to the position to be tested on the shell (2).
7. the test method of power battery as claimed in claim 5, which is characterized in that the control pressurizing unit (3)
Extrusion head (31), squeezing the position to be tested across the instrument connection with default extruding force includes：
It controls the extrusion head (31) of the pressurizing unit (3) and the instrument connection is passed through with pre-set velocity, be compressed to the shell
Position to be tested on body (2)；
The extrusion head (31) of the pressurizing unit (3) is controlled to squeeze the position to be tested with default extruding force and keep pre-
If the time.
8. the test method of power battery as claimed in claim 5, which is characterized in that in the control pressurizing unit
(3) extrusion head (31), after passing through the instrument connection with the default extruding force extruding position to be tested, the method is also wrapped
It includes：
Judge the shell (2) whether failure；
In the shell (2) non-failure, controls the power battery and discharged with predetermined power；
Whether the discharge condition parameter for comparing the power battery is consistent with default discharge condition parameter；
In the discharge condition parameter and the inconsistent default discharge condition parameter of the power battery, the power electric is determined
Pond generates failure.
9. the test method of power battery as claimed in claim 8, which is characterized in that the method also includes：
In the shell (2) failure, the most weak of the test position power battery for making the shell (2) break down is determined
Position.
10. the test method of power battery as claimed in claim 8, which is characterized in that the discharge condition parameter includes：It puts
Voltage, electric current and temperature when electric.
11. the test method of power battery as claimed in claim 9, which is characterized in that shell (2) failure includes：Institute
Shell (2) is stated at least one of to be damaged, have liquid outflow, smolder with gassing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550984.9A CN108871721A (en) | 2018-05-31 | 2018-05-31 | A kind of test device and method of power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550984.9A CN108871721A (en) | 2018-05-31 | 2018-05-31 | A kind of test device and method of power battery |
Publications (1)
| Publication Number | Publication Date |
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| CN108871721A true CN108871721A (en) | 2018-11-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550984.9A Pending CN108871721A (en) | 2018-05-31 | 2018-05-31 | A kind of test device and method of power battery |
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| CN (1) | CN108871721A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763418A (en) * | 2019-10-21 | 2020-02-07 | 中国汽车技术研究中心有限公司 | Power battery system bottom ball impact reliability testing method |
| CN111175660A (en) * | 2020-02-12 | 2020-05-19 | 佛山科学技术学院 | Dynamic automobile power battery heat dissipation testing device |
| CN111257010A (en) * | 2020-02-18 | 2020-06-09 | 清华大学 | Automobile bottom supporting test device |
| CN111257009A (en) * | 2020-02-18 | 2020-06-09 | 清华大学 | Pure mechanical type automobile bottom supporting test device |
| CN111948039A (en) * | 2020-06-30 | 2020-11-17 | 蜂巢能源科技有限公司 | Battery module testing device |
| CN112051020A (en) * | 2020-08-14 | 2020-12-08 | 中国第一汽车股份有限公司 | Road surface impact resistance test method for battery pack of pure electric passenger vehicle |
| CN112114256A (en) * | 2020-08-28 | 2020-12-22 | 西华大学 | Electric automobile fuel cell testing arrangement |
| CN113551925A (en) * | 2021-08-18 | 2021-10-26 | 中国第一汽车股份有限公司 | Power battery assembly bottom collision test device and test method |
| CN113624436A (en) * | 2020-05-09 | 2021-11-09 | 上海汽车集团股份有限公司 | Battery module impact testing device and method |
| CN115201594A (en) * | 2022-06-13 | 2022-10-18 | 中国第一汽车股份有限公司 | Whole-vehicle-level thermal runaway extension test device and method for power battery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110763418A (en) * | 2019-10-21 | 2020-02-07 | 中国汽车技术研究中心有限公司 | Power battery system bottom ball impact reliability testing method |
| CN111175660A (en) * | 2020-02-12 | 2020-05-19 | 佛山科学技术学院 | Dynamic automobile power battery heat dissipation testing device |
| CN111257010A (en) * | 2020-02-18 | 2020-06-09 | 清华大学 | Automobile bottom supporting test device |
| CN111257009A (en) * | 2020-02-18 | 2020-06-09 | 清华大学 | Pure mechanical type automobile bottom supporting test device |
| CN111257009B (en) * | 2020-02-18 | 2021-03-26 | 清华大学 | Pure mechanical type automobile bottom supporting test device |
| CN113624436A (en) * | 2020-05-09 | 2021-11-09 | 上海汽车集团股份有限公司 | Battery module impact testing device and method |
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| CN112051020A (en) * | 2020-08-14 | 2020-12-08 | 中国第一汽车股份有限公司 | Road surface impact resistance test method for battery pack of pure electric passenger vehicle |
| CN112051020B (en) * | 2020-08-14 | 2022-12-27 | 中国第一汽车股份有限公司 | Road surface impact resistance test method for battery pack of pure electric passenger vehicle |
| CN112114256A (en) * | 2020-08-28 | 2020-12-22 | 西华大学 | Electric automobile fuel cell testing arrangement |
| CN112114256B (en) * | 2020-08-28 | 2021-06-18 | 西华大学 | Electric automobile fuel cell testing arrangement |
| CN113551925A (en) * | 2021-08-18 | 2021-10-26 | 中国第一汽车股份有限公司 | Power battery assembly bottom collision test device and test method |
| CN115201594A (en) * | 2022-06-13 | 2022-10-18 | 中国第一汽车股份有限公司 | Whole-vehicle-level thermal runaway extension test device and method for power battery system |
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