CN109341930A - A kind of detection system and method for battery core bulging power - Google Patents
A kind of detection system and method for battery core bulging power Download PDFInfo
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- CN109341930A CN109341930A CN201811150258.4A CN201811150258A CN109341930A CN 109341930 A CN109341930 A CN 109341930A CN 201811150258 A CN201811150258 A CN 201811150258A CN 109341930 A CN109341930 A CN 109341930A
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- battery core
- detected
- pressure sensor
- clamping plate
- bulging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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Abstract
This application discloses the detection system and method for a kind of battery core bulging power, which includes: battery core, pressure sensor and test fixture to be detected；Wherein, pressure sensor, for measuring bulging power of the battery core to be detected in charging and/or discharge process, and test fixture, then for fixing the relative position of battery core to be detected and pressure sensor, so that bulging power caused by battery core to be detected can be detected by the pressure sensor.It can be seen that, after using the relative position between test fixture fixation pressure sensor and battery core to be detected, pressure sensor is capable of detecting when the bulging power that battery core to be detected actually generates in charging and/or discharge process, it is more accurate for the bulging power that the existing inverse process by simulating battery core bulging is back-calculated to obtain, so as to reduce the error for the battery core bulging power that detection obtains.
Description
Technical field
This application involves battery core detection technique fields, more particularly to the detection system and method for a kind of battery core bulging power.
Background technique
During charging the battery or discharging, the battery core in battery is when carrying out the chemical reaction of charge and discharge
Corresponding chemical gas, which may be generated, makes battery core that certain bulging deformation occur, so that there are external bulging power.Right
During battery modules including multiple battery cores carry out structure design, can usually it combine the bulging power of battery core to battery modules
Structure is designed, to reduce bulging power influence caused by the structure of battery modules of battery core.
In the technical solution of existing measurement battery core bulging power, usually after bulging deformation occurs for battery core, to the battery core
Apply the pressure with battery core bulging force opposite direction, so that battery core restores the shape to before bulging under the effect of the pressure
State, to export battery core generated bulging power when bulging deformation occurs using the pressure come reverse push.But this detection
The mode of battery core bulging power is inaccurate, and can not reflect battery core true bulging existing during practical charge and discharge
Power, there are biggish errors.
Summary of the invention
In order to solve the above-mentioned technical problem, the embodiment of the present application provides the detection system and method for a kind of battery core bulging power,
Accurately to detect the bulging power of battery core necessary being during charge and discharge, to reduce the measurement for battery core bulging power
Error.
In a first aspect, the embodiment of the present application provides a kind of detection system of battery core bulging power, the system comprises:
Battery core, pressure sensor and test fixture to be detected；
The pressure sensor, for measuring bulging power of the battery core to be detected in charging and/or discharge process；
The test fixture, for fixing the relative position of the battery core to be detected and the pressure sensor.
In some possible embodiments, the test fixture includes the first clamping plate and the second clamping plate, then, described
Battery core to be detected and the pressure sensor are between first clamping plate and second clamping plate.
In some possible embodiments, insulation pressure is provided between the pressure sensor and the battery core to be detected
Plate；
Then, the pressure sensor is specifically used for the measurement battery core to be detected and leads in charging and/or discharge process
Cross the bulging power of the insulating press boards transmitting.
In some possible embodiments, the system also includes stickers；
The sticker is between first clamping plate and the battery core to be detected and/or positioned at the battery core to be detected
Between the insulation battery core pressing plate.
In some possible embodiments, first clamping plate and second clamping plate are with the clamping of default size
Power clamps the battery core to be detected.
Second aspect, the embodiment of the present application also provides a kind of detection method of battery core bulging power, the method is applied to
System described in above-mentioned first aspect, which comprises
The battery core to be detected is charged and/or discharged；
Utilize the bulging power of battery core to be detected described in pressure sensor detection charging and/or discharge process.
In some possible embodiments, insulation pressure is provided between the pressure sensor and the battery core to be detected
Plate, then, and the bulging power using battery core to be detected described in pressure sensor detection charging and/or discharge process, comprising:
Pass through the insulation using battery core to be detected described in pressure sensor detection charging and/or discharge process to press
Plate is transferred to the bulging power of the pressure sensor.
In some possible embodiments, the test fixture include the first clamping plate and the second clamping plate, it is described to
Battery core and the pressure sensor are detected between first clamping plate and second clamping plate.
In some possible embodiments, the method also includes:
Change first clamping plate and second clamping plate is directed to the clamping force of the battery core to be detected；
When recording different size of clamping force and acting on the battery core to be detected, the battery core to be detected uses the longevity reaching
The charge or discharge number carried out when life；
By clamping force corresponding to most charge or discharge numbers, as the target for acting on the battery core to be detected
Clamping force.
In some possible embodiments, the system also includes sticker, the sticker is located at first clamping plate
Between the battery core to be detected and/or between the battery core to be detected and the insulation battery core pressing plate, the method is also
Include:
Change the thickness of the sticker；
Record using different-thickness sticker when the charging that has been carried out when reaching service life of the battery core to be detected or
Discharge time；
Target thickness by the thickness of sticker corresponding to most charge and discharge numbers, as the sticker.
In the above-mentioned implementation of the embodiment of the present application, by accurately detecting that battery core is true during charge and discharge
Existing bulging power, it is possible to reduce for the measurement error of battery core bulging power.Specifically, the system includes: battery core to be detected, pressure
Force snesor and test fixture；Wherein, pressure sensor, for measuring drum of the battery core to be detected during charge or discharge
Expansive force, and test fixture, then for fixing the relative position of battery core to be detected and pressure sensor, so that battery core to be detected institute
The bulging power of generation can be detected by the pressure sensor.As it can be seen that using test fixture fixation pressure sensor with it is to be detected
Behind relative position between battery core, pressure sensor is capable of detecting when that battery core to be detected is practical in charging and/or discharge process
The bulging power of generation, for the bulging power that the existing inverse process by simulating battery core bulging is back-calculated to obtain more
Accurately, so as to reducing the error of battery core bulging power that detection obtains.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations as described in this application
Example, for those of ordinary skill in the art, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the detection system of battery core bulging power in the embodiment of the present application；
Fig. 2 is a kind of flow diagram of the detection method of battery core bulging power in the embodiment of the present application.
Specific embodiment
It is existing measurement battery core bulging power technical solution in, usually to have occurred and that deformation battery core apply pressure,
So that battery core is under the action of this pressure, restores the state to battery core before deformation occurs, which is considered as battery core
The inverse process of bulging deformation, so as to will be produced when occurring bulging deformation as battery core to the pressure size that battery core applies
Bulging power size.
But inventor it has been investigated that, it is this measurement battery core bulging power mode be not be to the true of battery core itself
Bulging power is directly measured, but come anti-battery core of releasing bulging deformation when institute occurs for the inverse process by simulating battery core bulging
The bulging power size of generation.And in practical checking procedure, this bulging power being back-calculated to obtain is less than greatly battery core and bulging shape occurs
Generated true bulging power size and unequal when change, this just illustrates the mode of existing detection battery core bulging power and is not allowed
Really, it can not reflect battery core generated true bulging power during practical charge and discharge, there are biggish errors.
In order to solve the above-mentioned technical problem, the embodiment of the present application provides a kind of test macro of battery core bulging power, with standard
The bulging power of battery core necessary being during charge and discharge is really detected, so that the measurement reduced for battery core bulging power misses
Difference.Specifically, the system includes: battery core, pressure sensor and test fixture to be detected；Wherein, pressure sensor, for surveying
Measure bulging power of the battery core to be detected in charging and/or discharge process, and test fixture, then for fixing battery core to be detected and pressure
The relative position of force snesor, so that bulging power caused by battery core to be detected can be detected by the pressure sensor.As it can be seen that
After using the relative position between test fixture fixation pressure sensor and battery core to be detected, pressure sensor is capable of detecting when
The bulging power that battery core to be detected actually generates in charging and/or discharge process, relative to existing by simulating battery core drum
It is more accurate for the bulging power that swollen inverse process is back-calculated to obtain, so as to reduce the mistake for the battery core bulging power that detection obtains
Difference.
In order to make the above objects, features, and advantages of the present application more apparent, below in conjunction with attached drawing to this Shen
Please the various non-limiting implementations in embodiment illustrate.Obviously, described embodiment is the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
All other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
A kind of structural representation of the detection system of battery core bulging power in the embodiment of the present application offer is shown referring to Fig. 1, Fig. 1
Figure, the system can specifically include:
Battery core 101, pressure sensor 102 and test fixture 103 to be detected.
Wherein, test fixture 103 can carry out the relative position between battery core 101 to be detected and pressure sensor 102
It is fixed, so that generated true bulging power during charge or discharge of battery core to be detected 101 finally can act on
On pressure sensor 102, and then it can be obtained by 102 real-time detection of pressure sensor.
In some possible embodiments, test fixture 103 specifically can be clamps including the first clamping plate and second
The tooling of plate, at this point, battery core to be detected 101 and pressure sensor 102 be between the first clamping plate and the second clamping plate, by
Relative position between one clamping plate and the fixed battery core 101 to be detected of the second clamping plate and pressure sensor 102.In a kind of example
In, test fixture 103 specifically can be tooling as shown in Figure 1, wherein pass through company between the first clamping plate and the second clamping plate
Connecting bolt, spacer for bolt, attaching nut and and nut shim be attached, certainly, in some other embodiments,
It can be and be attached by other connection types.
It should be noted that after the relative position between battery core 101 to be detected and pressure sensor 102 is fixed, it is to be detected
Bulging power caused by battery core 101 can directly act on pressure sensor 102, be also possible to make by other media brief introduction
For pressure sensor 102.Specifically, if bulging power caused by battery core to be detected 101 can directly act on pressure biography
On sensor 102, i.e., pressure sensor 102 can directly be contacted with battery core 101 to be detected, at this point, the pressure sensor 102 can be with
Directly measure bulging power caused by battery core 101 to be detected.
In above embodiment, pressure sensor 102 is directly contacted with battery core 101 to be detected, still, considers practical application
In, power measured by pressure sensor 102 is usually the power at a point, i.e., on pressure sensor 102 with battery core 101 to be detected
The contact small volume being in contact, if battery core to be detected 101 produces biggish bulging power, the touching on pressure sensor 102
Point can cause centainly to damage to battery core 101 to be detected, moreover, but also the safety of detection process is lower.Therefore, at other
In possible embodiment, insulating press boards can be increased between battery core 101 to be detected and pressure sensor 102, then it is to be detected
Battery core 101 is directly contacted with insulating press boards, and insulating press boards are directly contacted with pressure sensor, in this way, 101 institute of battery core to be detected
The true bulging power generated can act on insulating press boards, then be acted on pressure sensor 102 by insulating press boards, so that pressure
Force snesor 102 is able to detect to obtain true bulging power caused by battery core 101 to be detected by this process.Show as one kind
Example, can be set 4 pressure sensors, and the contacting points position between pressure sensor and insulating press boards is arranged and is uniformly distributed
On insulating press boards；Certainly, it is only used as exemplary illustration herein, does not limit the quantity of pressure sensor, in fact, pressure passes
Other quantity, such as 5 can also be arranged in sensor, and the contacting points position between pressure sensor and insulating press boards can also be random
Be distributed on insulating press boards etc..
It is appreciated that can be made by adding insulating press boards between battery core 101 to be detected and pressure sensor 102
Pressure sensor 102 will not directly be in contact with battery core 101 to be detected, to be capable of detecting when in guarantee pressure sensor 102
It, can be to electricity to be detected to avoid the contact on pressure sensor 102 in the case where bulging power caused by battery core 101 to be detected
Core 101 damages, and improves the safety of detection bulging power.Moreover, in practical application, different location in battery core 101 to be detected
The bulging power at place might not be identical, but by adding insulating press boards between battery core 101 to be detected and pressure sensor 102
Afterwards, pressure sensor 102 is capable of detecting when bulging power caused by 101 entirety of battery core to be detected, and be not some points (or
Say some position) caused by bulging power.In addition, the accuracy in order to guarantee measurement, added insulating press boards are usually to select
Select the more firm material of quality so that insulating press boards will not generate biggish deformation and influence pressure sensor 102 for
The measurement accuracy of bulging power.
Further, if largely inhibiting the drum of battery core 101 to be detected during detecting battery core bulging power
Bulging becomes, then a degree of damage may be caused to battery core 101 to be detected, to can shorten the service life of the battery core.
Moreover, can generally also have corresponding gap between battery core and other component when assembling battery core in practical application, therefore,
In some possible embodiments, during carrying out the detection of bulging power to battery core 101 to be detected, it can permit to be detected
Battery core 101 generates a certain size deformation quantity in charge and discharge process, when specific implementation, can be the first clamping plate with it is to be checked
It surveys between battery core 101 and/or between battery core to be detected 101 and insulating press boards, is provided with sticker, is provided with length for example, can be
90 millimeters, 5 millimeters wide, thick 1 millimeter of insulation sticker etc., the sticker can make the first clamping plate and battery core 101 to be detected it
Between there are certain gaps, and/or, so that there are a certain size gaps between battery core to be detected 101 and insulating press boards.
It is noted that the sticker of different-thickness, may make battery core 101 to be detected uses the longevity with different
Life, in order to determine to be best suited for the sticker thickness of the battery core 101 to be detected, that is, is determined so that battery core to be detected 101
With sticker thickness corresponding to longest service life, multiple battery cores 101 to be detected can be carried out with the test of multiplicating property, directly
To the end-of-life of battery core 101 to be detected, wherein each battery core 101 to be detected corresponds to the sticker of different-thickness.It is directed to every
A battery core to be detected 101 can recorde while detecting the bulging power of the battery core 101 to be detected in each test process
The battery core 101 to be detected before end-of-life can charge or discharge maximum times.It is appreciated that battery core 101 to be detected
In end-of-life, the charge or discharge number carried out is more, shows that the service life of the battery core 101 to be detected is longer, phase
It answers, sticker thickness corresponding to the battery core 101 to be detected, is also the sticker thickness for being best suited for the battery core 101 to be detected.
In this way, when to including that multiple battery modules for belonging to same model battery core with battery core 101 to be detected carry out structure design, it can
It is each to increase to reserve gap of corresponding size for each battery core based on sticker thickness corresponding to the battery core 101 to be detected
The service life of a battery core.
In addition, for battery modules in packaging electric core, the hardware configuration of battery modules can generate one to battery core in practical application
Fixed clamping force, e.g., hardware configuration can generate certain clamping force etc. in fixed battery core, therefore, in order to enable to be detected
The detection environment of 101 bulging power of battery core is more bonded the environment of practical application, can give battery core 101 to be detected a certain size folder
Clamp force.In a kind of example, if test fixture use structure as shown in Figure 1, that is, include the first clamping plate and the second clamping plate,
Then the first clamping plate and the second clamping plate can clamp battery core 101 to be detected with the clamping force for presetting size.
It is appreciated that since different size of clamping force inhibits the degree of deformation quantity different battery core 101 to be detected, and
It is directed to the service life that battery core 101 to be detected inhibits the degree of deformation quantity to will affect battery core 101 to be detected, therefore, some
In possible embodiment, the clamping force size for being best suited for the battery core 101 to be detected can be determined.Specifically, can be right
Multiple battery cores to be detected 101 carry out the test of multiplicating property, until the end-of-life of battery core 101 to be detected, wherein each to be checked
It surveys battery core 101 and corresponds to different size of clamping force.It is directed to each battery core to be detected 101, is detected in each test process
Out while the bulging power of the battery core 101 to be detected, can recorde the battery core 101 to be detected can charge before end-of-life or
The maximum times of person's electric discharge.It is appreciated that the charge or discharge time that battery core 101 to be detected in end-of-life, has carried out
Number is more, shows that the service life of the battery core 101 to be detected is longer, correspondingly, clamping force corresponding to the battery core 101 to be detected is big
It is small, it is also the clamping force size for being best suited for the battery core 101 to be detected.In this way, to including multiple and battery core 101 to be detected
It, can be based on folder corresponding to the battery core 101 to be detected when belonging to the battery modules progress structure design of same model battery core
Clamp force applies clamping force to battery core, to increase the service life of each battery core.
In practical application, in order to reach more preferably technical effect, can simultaneously for battery core 101 to be detected increase sticker and
Act on a certain size clamping force, and referring to above embodiment to multiple stickers corresponding to different-thickness or clamping force
Battery core 101 to be detected carries out the detection of bulging power, to determine the sticker thickness and folder that are best suited for the battery core 101 to be detected
Clamp force size designs the structures of battery modules with optimizing, and certainly, which is to being same with the battery core 101 to be detected
The battery core of one model is packaged.
It should be noted that the description to the detection system of battery core bulging power for convenience in the present embodiment, is shown
Fig. 1 includes insulating press boards and specific test fixture structure, and in practical application, the detection system of battery core bulging power can not
With insulating press boards shown in Fig. 1, and test fixture 103 can also with do not use specific structure shown in Fig. 1, implement
When, it can voluntarily be adjusted, this will not be repeated here.
In the present embodiment, by accurately detecting the bulging power of battery core necessary being during charge and discharge, to subtract
Few measurement error for battery core bulging power.Specifically, the system includes: battery core, pressure sensor and test work to be detected
Dress；Wherein, pressure sensor, for measuring bulging power of the battery core to be detected during charge or discharge, and test fixture, then
For fixing the relative position of battery core to be detected and pressure sensor, so that bulging power caused by battery core to be detected can be by
Pressure sensor detects.As it can be seen that utilizing the relative position between test fixture fixation pressure sensor and battery core to be detected
Afterwards, pressure sensor is capable of detecting when the bulging power that battery core to be detected actually generates in charging and/or discharge process, relative to
It is more accurate for the bulging power that the existing inverse process by simulating battery core bulging is back-calculated to obtain, so as to reduce inspection
The error of the battery core bulging power measured.
In addition, this method is applied to above-mentioned reality the embodiment of the present application also provides a kind of detection method of battery core bulging power
It applies in system described in example.Referring to fig. 2, Fig. 2 shows the detection method processes of battery core bulging power a kind of in the embodiment of the present application
Schematic diagram, this method comprises:
S201: battery core to be detected is charged and/or is discharged.
In practical application, battery core is usually that bulging deformation can occur during charge or discharge, to generate bulging
Therefore power when carrying out battery core to be detected the detection of bulging power, needs to carry out charge or discharge to battery core to be detected, with
Detect battery core to be detected generated bulging power size during the charging process or in discharge process.
S202: the bulging power of battery core to be detected in pressure sensor detection charging and/or discharge process is utilized.
In the present embodiment, pressure sensor can be mounted directly on battery core to be detected, when battery core to be detected charging and/or
Deformation occurs in discharge process, then directly can measure bulging power caused by battery core to be detected by pressure sensor；Certainly,
It, can be in battery core to be detected and pressure sensor in order to avoid pressure sensor damages battery core to be detected in detection process
Between insulating press boards are set, wherein battery core to be detected is directly contacted with insulating press boards, and insulating press boards are direct with pressure sensor
Contact, in this way, true bulging power caused by battery core to be detected can act on insulating press boards, then acts on pressure by insulating press boards
On force snesor, so that pressure sensor is able to detect to obtain true bulging caused by battery core to be detected by this process
Power.
In some possible embodiments, test fixture can be include the first clamping plate and the second clamping plate work
Dress, then battery core to be detected and pressure sensor are between the first clamping plate and the second clamping plate, by the first clamping plate and second
The relative position of clamping plate fixed battery core and pressure sensor to be detected.
It, can in view of largely inhibiting the bulging deformation of battery core to be detected during detecting battery core bulging power
A degree of damage can be caused to battery core to be detected, so that the service life of the battery core can be shortened.Moreover, practical application
In, can generally also there be corresponding gap between battery core and other component when assembling battery core, therefore, in some possible implementations
In mode, it can be between the first clamping plate and electricity to be detected and/or between battery core to be detected and insulating press boards, be provided with glue
Patch is provided with 90 millimeters long, 5 millimeters wide, thick 0.9 millimeter insulation sticker etc. for example, can be, which can make first
There are certain gaps between clamping plate and battery core to be detected, and/or, so that there are one between battery core to be detected and insulating press boards
Determine the gap of size.
Further, in some possible embodiments, in order to determining to be best suited for the battery core to be detected
Sticker thickness, that is, determine so that battery core to be detected have longest service life corresponding to sticker thickness, can to it is multiple to
Detection battery core carries out the test of multiplicating property, until the end-of-life of battery core to be detected, wherein each battery core to be detected corresponds to
The sticker of different-thickness.It is directed to each battery core to be detected, the bulging of the battery core to be detected is detected in each test process
While power, it can recorde the maximum times for the charge or discharge that the battery core to be detected has been carried out in end-of-life.This
Sample can be with base when to including that multiple battery modules for belonging to same model battery core with battery core to be detected carry out structure design
The sticker thickness corresponding to the battery core to be detected reserves gap of corresponding size for each battery core, to increase each battery core
Service life.
In addition, for battery modules in packaging electric core, the hardware configuration of battery modules can generate one to battery core in practical application
Fixed clamping force, e.g., hardware configuration can generate certain clamping force etc. in fixed battery core, therefore, in order to enable to be detected
The detection environment of battery core bulging power is more bonded the environment of practical application, can give battery core to be detected a certain size clamping force.
In some possible embodiments, multiple battery cores to be detected can be carried out with the test of multiplicating property, until to
Detect the end-of-life of battery core, wherein each battery core to be detected corresponds to different size of clamping force.It is directed to each to be detected
Battery core while detecting the bulging power of the battery core to be detected in each test process, can recorde the battery core to be detected and exist
Before end-of-life can charge or discharge maximum times.In this way, to include it is multiple belong to battery core to be detected it is same
When the battery modules of model battery core carry out structure design, battery core can be applied based on clamping force corresponding to the battery core to be detected
Clamping power, to increase the service life of each battery core.
In practical application, in order to reach more preferably technical effect, sticker and work can be increased simultaneously for battery core to be detected
With a certain size clamping force, and referring to above embodiment to multiple stickers corresponding to different-thickness or clamping force to
The detection that battery core carries out bulging power is detected, to determine that the sticker thickness for being best suited for the battery core to be detected and clamping force are big
Small, to optimize the structure design to battery modules, certainly, which is to the electricity for being same model with the battery core to be detected
Core is packaged.
In the present embodiment, after using the relative position between test fixture fixation pressure sensor and battery core to be detected,
Pressure sensor is capable of detecting when the bulging power that battery core to be detected actually generates in charging and/or discharge process, relative to existing
Some is more accurate for the bulging power that the inverse process of battery core bulging is back-calculated to obtain by simulating, so as to reduce detection
The error of obtained battery core bulging power.
As seen through the above description of the embodiments, those skilled in the art can be understood that above-mentioned implementation
All or part of the steps in example method can add the mode of general hardware platform to realize by software.Based on this understanding,
The technical solution of the application can be embodied in the form of software products, which can store is situated between in storage
In matter, such as read-only memory (English: read-only memory, ROM)/RAM, magnetic disk, CD etc., including some instructions to
So that a computer equipment (can be the network communication equipments such as personal computer, server, or router) executes
Method described in certain parts of each embodiment of the application or embodiment.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for method reality
For applying example, since it is substantially similar to system embodiment, so describing fairly simple, related place is referring to system embodiment
Part explanation.Method and system embodiment described above is only schematical, wherein saying as separation unit
Bright module may or may not be physically separated, and the component shown as module can be or can not also
It is physical module, it can it is in one place, or may be distributed over multiple network units.It can be according to actual need
Some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying
Out in the case where creative work, it can understand and implement.
The above is only the illustrative embodiment of the application, is not intended to limit the protection scope of the application.
Claims (10)
1. a kind of detection system of battery core bulging power, which is characterized in that the system comprises:
Battery core, pressure sensor and test fixture to be detected；
The pressure sensor, for measuring bulging power of the battery core to be detected in charging and/or discharge process；
The test fixture, for fixing the relative position of the battery core to be detected and the pressure sensor.
2. system according to claim 1, which is characterized in that the test fixture includes that the first clamping plate and second clamp
Plate, then, the battery core to be detected and the pressure sensor are between first clamping plate and second clamping plate.
3. system according to claim 1, which is characterized in that set between the pressure sensor and the battery core to be detected
It is equipped with insulating press boards；
Then, the pressure sensor is specifically used for measuring the battery core to be detected in charging and/or discharge process by described
The bulging power of insulating press boards transmitting.
4. system according to claim 3, which is characterized in that the system also includes stickers；
The sticker is between first clamping plate and the battery core to be detected and/or positioned at the battery core to be detected and institute
It states between insulation battery core pressing plate.
5. system according to claim 2, which is characterized in that first clamping plate and second clamping plate are with default
The clamping force of size clamps the battery core to be detected.
6. a kind of detection method of battery core bulging power, which is characterized in that the method is applied to system described in claim 1,
The described method includes:
The battery core to be detected is charged and/or discharged；
Utilize the bulging power of battery core to be detected described in pressure sensor detection charging and/or discharge process.
7. according to the method described in claim 6, it is characterized in that, being set between the pressure sensor and the battery core to be detected
Be equipped with insulating press boards, then, and the bulging using battery core to be detected described in pressure sensor detection charging and/or discharge process
Power, comprising:
It is passed using battery core to be detected described in pressure sensor detection charging and/or discharge process by the insulating press boards
It is handed to the bulging power of the pressure sensor.
8. according to the method described in claim 6, it is characterized in that, the test fixture includes that the first clamping plate and second clamp
Plate, the battery core to be detected and the pressure sensor are between first clamping plate and second clamping plate.
9. according to the method described in claim 8, it is characterized in that, the method also includes:
Change first clamping plate and second clamping plate is directed to the clamping force of the battery core to be detected；
When recording different size of clamping force and acting on the battery core to be detected, the battery core to be detected is when reaching service life
The charge or discharge number carried out；
By clamping force corresponding to most charge or discharge numbers, as the targeted grip for acting on the battery core to be detected
Power.
10. according to the method described in claim 8, it is characterized in that, the sticker is located at described the system also includes sticker
Between first clamping plate and the battery core to be detected and/or between the battery core to be detected and the insulation battery core pressing plate,
The method also includes:
Change the thickness of the sticker；
The charge or discharge that the battery core to be detected has been carried out when reaching service life when recording the sticker using different-thickness
Number；
Target thickness by the thickness of the sticker corresponding to most charge and discharge numbers, as the sticker.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112380644A (en) * | 2020-11-02 | 2021-02-19 | 东软睿驰汽车技术（沈阳）有限公司 | Method and device for testing strength of battery pack shell |
| CN117129131A (en) * | 2023-10-26 | 2023-11-28 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112380644A (en) * | 2020-11-02 | 2021-02-19 | 东软睿驰汽车技术（沈阳）有限公司 | Method and device for testing strength of battery pack shell |
| CN117129131A (en) * | 2023-10-26 | 2023-11-28 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
| CN117129131B (en) * | 2023-10-26 | 2024-03-22 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
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