CN109458974A - A kind of Flank Pole touches power battery maximum distortion measuring device, method and power battery - Google Patents
A kind of Flank Pole touches power battery maximum distortion measuring device, method and power battery Download PDFInfo
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- CN109458974A CN109458974A CN201811480131.9A CN201811480131A CN109458974A CN 109458974 A CN109458974 A CN 109458974A CN 201811480131 A CN201811480131 A CN 201811480131A CN 109458974 A CN109458974 A CN 109458974A
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- 238000000034 method Methods 0.000 title claims description 22
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000000498 cooling water Substances 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 12
- 210000004027 cell Anatomy 0.000 description 20
- 238000005259 measurement Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000736199 Paeonia Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a kind of Flank Pole and touches power battery maximum distortion measuring device, the amount device is surveyed to be fixed between housing of power cell and battery modules, the measuring device is at least partly bonded the inner sidewall of housing of power cell, and it is 30% or more and characteristic of the strength of materials between 20MPa~60Mpa that the material of the measuring device, which has elongation percentage,；The deflection of the measuring device after occurring is touched using Flank Pole as the maximum deformation quantity of housing of power cell.Power battery with above-mentioned measuring device can retain housing of power cell largest deformation by measuring device after Flank Pole occurs and touches, convenient for obtaining the accurate data of real train test, the data as field of automobile safety to mark CAE analysis.
Description
Technical field
The present invention relates to field of automobile safety, the survey of power battery deflection in the case of especially a kind of vehicle side column touches
Measure device.
Background technique
New car appraisal procedure of the C-NCAP for China, i.e. China New Car Assessment Programme, at present
Do not consider that the evaluation that Flank Pole is hit occurs for vehicle also.But Europe new car appraisal procedure E-NCAP has been contemplated that the operating condition, specifically such as
Flank Pole shown in FIG. 1 touches schematic diagram, i.e. cylinder of vehicle side hits vehicle in 75 ° of angle along with longitudinal direction of car median plane
, impingement position is directed at the mass center of human body head A.
In the case that vehicle generation Flank Pole is hit, allow vehicular sideview body construction that certain change occurs under normal conditions
Otherwise shape is unable to fully absorb collision energy to achieve the purpose that reduce human injury.
On the other hand, when moderate finite deformation intrusion occurs for vehicle body side, deformation, power battery equally be will cause to power battery
Lower case two sides inner wall 22 (as shown in Figure 4) arrow direction of meeting in Fig. 6 after being extruded rotates, thus under reducing
Gap between case inside wall 22 and power battery module 3, as long as the gap after being deformed is sufficient, cooling water pipe
4 do not have the risk for being breached leak.Usual vehicle can confirm the wind by CAE simulation analysis means in the design process
Danger, because being that can clearly observe body construction or even power battery from emulation animation when CAE simulation analysis
The deformation of packet and its internal structure.But it is practical how to be just verified, it needs to touch full scale vehicle collision by vehicular sideview column
Test is to be verified.
The measurement of maximum deformation value is conducive to CAE simulation analysis to mark, and can more reflect cooling water pipe in actual collision
The risk being extruded.And conventional there are following methods in orthodox car real train test process measurement, comprising: 1, pass through plasticine
The gap between two measured pieces is filled with certain shape；2, by the way that patch is easy to glue on another part of brush greasepaint on a part
The thin slice (such as paper) of greasepaint.
There are following design defect for above-mentioned 2 kinds of methods:
The wherein design method of plasticine filling, have a disadvantage in that: plasticine is softer, is easy collision vehicle after experiment and removes
It is generated during fortune and shakes the inaccuracy that dynamic deformation etc. causes measured value.
The mode of brush greasepaint, has a disadvantage in that: being only capable of detecting whether two neighboring part has and is encountered but cannot be detected most
Aximal deformation value.
Therefore, Flank Pole in the prior art touches in real train test, still can be measured that power battery most without one kind
The method of aximal deformation value.
Summary of the invention
It is an object of that present invention to provide a kind of Flank Poles to touch power battery maximum distortion measuring device, method and power electric
Pond, for solving the technical issues of can not accurately measuring the maximum deformation quantity of power battery in traditional automobile real train test.
To reach above-mentioned purpose, the following technical solutions are proposed by the present invention:
A kind of Flank Pole touches power battery maximum distortion measuring method, inside housing of power cell, in power battery
Fixation measuring device between shell and battery modules, the measuring device are at least partly bonded the inside of housing of power cell
Wall, it is 30% or more and characteristic of the strength of materials between 20MPa~60Mpa that the material of the measuring device, which has elongation percentage,；
The deflection of the measuring device after occurring is touched using Flank Pole as the maximum deformation quantity of housing of power cell.
Further, in the above-mentioned methods, end, sticking part and interconnecting piece are provided in the measuring device, it is described
Sticking part is connect by interconnecting piece with end, forms bending between interconnecting piece and sticking part and two ends is made to be located at sticking part
The same side, the sticking part are bonded with the inner sidewall of power battery lower case, and the fixed part is interior with power battery lower case
Part other than side wall is fixed.
Further, in the above-mentioned methods, described two ends are arranged in up and down direction, wherein the end pair being located above
The connecting portion answered is above the cooling water pipe inside the housing of power cell and takes and sets on the cooling water pipe.
Based on the above method, the present invention provides a kind of Flank Pole and touches power battery maximum distortion measuring device, the survey
It is 30% or more and characteristic of the strength of materials between 20MPa~60Mpa that the material for measuring device, which has elongation percentage,；The measurement dress
It sets including end, sticking part and interconnecting piece, the sticking part is connect by interconnecting piece with end, between interconnecting piece and sticking part
The same side that bending makes two ends be located at sticking part is formed, the sticking part is adapted to the inner sidewall of housing of power cell,
The end is used to for measuring device being fixed in housing of power cell as fixing end.
Above-mentioned measuring device is installed to inside housing of power cell, a kind of power battery is formed, the measuring device is solid
It is scheduled between housing of power cell and battery modules, two ends of measuring device are arranged in up and down direction, wherein being located above
The corresponding connecting portion in end above cooling water pipe inside the housing of power cell and take and set on the cooling water pipe.
Specifically, in the present invention, the inner sidewall of the lower case of the sticking part and housing of power cell of the measuring device
Fitting, the upper end of sticking part are no more than the mating surface of power battery upper-lower casing.
Further, in the present invention, the upper end of the measuring device is fixed in power battery module, the measurement
The lower end of device is fixed on power battery lower case bottom plate.
The utility model has the advantages that
From the above technical scheme, technical solution of the present invention provides a kind of Flank Pole and touches power battery maximum distortion
Measuring device, method and power battery.The measuring device selects the material that elongation percentage is big, rebound is small, and is fixed on
Between housing of power cell and battery modules, power electric is presented using the part of power battery lower case is bonded in measuring device
The maximum distortion position that pond occurs after being touched by Flank Pole, so that the maximum distortion is retained in real train test.
The material for meeting the measuring device of above-mentioned requirements is very common in the market, most common as leads (is usually used in fishing
Fish pendant), aluminum strip or tin bar can also be used, therefore, above scheme is easy to accomplish and cheap.
When carrying out real train test using above-mentioned apparatus and method, the maximum deformation quantity measured is suitable with the effect that CAE is emulated,
Accuracy is high, can be used as the actual parameter in collision safety field.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived described in greater detail below are at this
It can be viewed as a part of the subject matter of the disclosure in the case that the design of sample is not conflicting.
Can be more fully appreciated from the following description in conjunction with attached drawing present invention teach that the foregoing and other aspects, reality
Apply example and feature.The features and/or benefits of other additional aspects such as illustrative embodiments of the invention will be below
Description in it is obvious, or learnt in practice by the specific embodiment instructed according to the present invention.
Detailed description of the invention
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or nearly identical group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, example will be passed through and the embodiments of various aspects of the invention is described in reference to the drawings, in which:
Fig. 1 is that Flank Pole touches schematic diagram；
Fig. 2 is power battery schematic diagram；
Fig. 3 is that power battery is mounted on the cross-sectional view on vehicle body；
Fig. 4 is the position view that leads is measured when power battery is mounted on vehicle body；
Fig. 5 is the deformation tendency schematic diagram that power battery when Flank Pole touches occurs；
Fig. 6 is the structural schematic diagram of leads.
The meaning of above-mentioned each appended drawing reference is as follows:
Power battery upper housing 1, power battery lower case 2, upper-lower casing faying surface 21, lower case inner sidewall 22, lower casing
Body bottom plate 23, power battery module 3, cooling water pipe 4, measuring device 5, cross recessed pan head tapping screw 51.
Specific embodiment
In order to better understand the technical content of the present invention, special to lift specific embodiment and institute's accompanying drawings is cooperated to be described as follows.
Various aspects with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations.
It is not intended to cover all aspects of the invention for embodiment of the disclosure.It should be appreciated that a variety of designs and reality presented hereinbefore
Those of apply example, and describe in more detail below design and embodiment can in many ways in any one come it is real
It applies, this is because conception and embodiment disclosed in this invention are not limited to any embodiment.In addition, disclosed by the invention one
A little aspects can be used alone, or otherwise any appropriately combined use with disclosed by the invention.
Original intention of the invention is to research and develop one kind to embody power battery maximum distortion in the real train test that Flank Pole touches
The method of amount, since housing of power cell itself is sprung back after Flank Pole touches, deformation after the test is not test
Maximum distortion in the process, and the cooling water pipe 4 that power battery interior occurs after Flank Pole touches for power battery is extruded even
The risks such as power battery is on fire have inseparable relationship with power battery maximum deformation quantity, therefore how to be recorded dynamic
The maximum deformation quantity of power battery is the bottleneck that inventor's emphasis needs to break through.Finally, the present invention is from material property angle, choosing
Measuring device 5 is made with the material that elongation percentage is big and rebound is small, side is occurring with being bonded on power battery in the measuring device 5
Easily-deformable region when column touches, when Flank Pole is touched, deformation occurs together with the easily-deformable region, until easily-deformable region occurs
Maximum distortion, hereafter easily-deformable region is sprung back, and the measuring device 5 is small due to springing back, will not be with easily-deformable region one
It rises and springs back, so as to record maximum distortion.
Specifically, specific embodiments of the present invention give following measuring device 5 with reference to above-mentioned thinking:
It is illustrated in figure 6 a kind of Flank Pole and touches power battery maximum distortion measuring device 5, the material of the measuring device 5
It is 30% or more and characteristic of the strength of materials between 20MPa~60Mpa that material, which has elongation percentage,.The measuring device 5 includes end
Portion, sticking part and interconnecting piece, the sticking part are connect by interconnecting piece with end, and bending is formed between interconnecting piece and sticking part
So that two ends are located at the same side of sticking part, class C character form structure is formed, wherein the sticking part and housing of power cell
Inner sidewall adaptation, the end is as fixing end for measuring device 5 to be fixed in housing of power cell.
In Fig. 6, vertical portion is sticking part, and being connected with sticking part bending is interconnecting piece, and both ends are end.In satisfaction
The material for stating elongation percentage and the strength of materials has good extending performance and is not easy the characteristic sprung back.The choosing of the specific material of measuring device 5
Including but not limited to leads or aluminum strip or tin bar are selected, it is because of these three materials that the embodiment of the present invention, which particularly points out these three materials,
Expect relatively easily from obtaining on the market, especially leads, is widely used on angling sinker and cheap.
The characteristic of the elongation percentage and resilience performance that influence material mainly has thickness, intensity, hardenability value of material etc., herein
The material for meeting performance is more, can be selected as needed.For leads or aluminum strip mentioned above or tin bar, preferred thickness
It is moderate with proof strength for 1.0mm-1.5mm.
The enclosure interior that above-mentioned measuring device 5 is installed to power battery is formed into a kind of power battery with measuring device 5.
Specifically, as in Figure 3-5, the measuring device 5 is fixed between housing of power cell and battery modules, measurement
Two ends of device 5 are arranged in up and down direction, wherein the corresponding connecting portion in the end being located above is in housing of power cell
Internal 4 top of cooling water pipe and taking is set on the cooling water pipe 4.
Since when generation Flank Pole touches, the outer housing of power battery stress first especially has the power of cooling water pipe 4
Battery lower case, if cooling water pipe 4 is squeezed, the water in cooling water pipe 4 is easy to cause power battery module 3 after spilling
There is short-circuit analysis in inside, and therefore, this programme need to pay close attention to the stress condition of power battery lower case.Lower case inner sidewall 22 exists
The rotation along arrow direction shown in fig. 5 can occur after being squeezed, to reduce lower case inner sidewall 22 and power battery mould
Gap between group 3.Measuring device 5 is ridden on cooling water pipe 4, cooling water pipe 4 will not generate vertical direction to measuring device 5
Block so that deformation is free.
Power battery is illustrated in figure 3 along the cut away view in vehicle vertical direction.Specifically, in the present embodiment, in order to make
Housing of power cell inner sidewall can be not only bonded by obtaining measuring device 5, but also is capable of fixing in power battery interior, then measuring device 5
Fixed part cannot be located along the same line with sticking part, otherwise measuring device 5 is entirely fitted in housing of power cell inner sidewall
On, it will it is influenced to cause maximum distortion measurement inaccurate by the rebound of housing of power cell inner sidewall.Therefore, it is necessary to will be described
Fixed part is fixed with the part other than the inner sidewall of power battery lower case 2.
In the present embodiment, the installation end measuring device 5 of measuring device 5 is passed through to the cross recess coiled hair self tapping being easily installed
Screw 51 (including but not limited to which) is fixed with power battery module 3 and lower case bottom plate 23 respectively；Measuring device 5
Upper interconnecting piece ride over the top of cooling water pipe 4, oblique to extend to lower case inner sidewall 22 and be bonded, measuring device 5 is along lower case
Side wall 22 ensures lateral support strength further through bending after stretching down.In order to ensure being not due to upper housing deformation intrusion
Caused measuring device 5 deforms, and the upper end of sticking part is no more than power battery upper-lower casing faying surface 21, then along lower case
Inner sidewall 22 stretches vertically downward, to there is certain intensity, is stretching vertically along lower case medial surface to ensure to measure leads
Backward inside carries out bending to a certain extent for exhibition, then finally carries out cross recessed pan head tapping screw 51 with lower case bottom plate 23
(including but not limited to which) connection, overall effect are as shown in Figure 4.
As shown in Fig. 2, single arrow direction is from Chinese herbaceous peony to the tailstock, the shell being located above in figure is on power battery
Shell 1, the shell of matched lower section are power battery lower case.Double-head arrow is the range that measuring device 5 can arrange, almost
It is covered on and is possible to occur the region that column touches power battery intrusion in actual vehicle.
Real train test is carried out based on the above-mentioned power battery with detection device, after generation Flank Pole touches, with the measurement
Maximum deformation quantity of the deflection of device 5 as housing of power cell.The measured value of the real train test facilitates CAE simulation analysis pair
Mark, while risk on fire after power battery intrusion has also been reacted, it can be as the parameter of vehicle safety performance related fields.
Above-mentioned power battery acts not only as using in safety test, and the power battery actually to dispatch from the factory can also have should
Detection device, if cell deformation amount can be obtained so that user occurs Flank Pole in use and touches, to reflect that automobile is impaired
Degree ensures traffic safety in the future in order to which the later period takes appropriate measures.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (9)
1. a kind of Flank Pole touches power battery maximum distortion measuring method, it is characterised in that: inside housing of power cell,
Fixation measuring device between housing of power cell and battery modules, the measuring device are at least partly bonded housing of power cell
Inner sidewall, the material of the measuring device has that elongation percentage is 30% or more and the strength of materials is between 20MPa~60Mpa
Characteristic；The deflection of the measuring device after occurring is touched using Flank Pole as the maximum deformation quantity of housing of power cell.
2. Flank Pole according to claim 1 touches power battery maximum distortion measuring method, it is characterised in that: the survey
End, sticking part and interconnecting piece are provided on amount device, the sticking part is connect by interconnecting piece with end, interconnecting piece and patch
The same side that bending makes two ends be located at sticking part is formed between conjunction portion, the sticking part is interior with power battery lower case
Side wall fitting, the fixed part are fixed with the part other than the inner sidewall of power battery lower case.
3. Flank Pole according to claim 2 touches power battery maximum distortion measuring method, it is characterised in that: described two
A end is arranged in up and down direction, wherein cooling of the corresponding connecting portion in the end being located above inside housing of power cell
Above water pipe and takes and set on the cooling water pipe.
4. a kind of Flank Pole touches power battery maximum distortion measuring device, it is characterised in that: the material of the measuring device has
Having elongation percentage is 30% or more and characteristic of the strength of materials between 20MPa~60Mpa；The measuring device includes end, patch
Conjunction portion and interconnecting piece, the sticking part are connect by interconnecting piece with end, are formed bending between interconnecting piece and sticking part and are made
Two ends are located at the same side of sticking part, and the sticking part is adapted to the inner sidewall of housing of power cell, the end conduct
Fixing end is for measuring device to be fixed in housing of power cell.
5. Flank Pole according to claim 4 touches power battery maximum distortion measuring device, it is characterised in that: the survey
Measuring device is leads or aluminum strip or tin bar.
6. Flank Pole according to claim 5 touches power battery maximum distortion measuring device, it is characterised in that: the survey
Measure device with a thickness of 1.0mm-1.5mm.
7. a kind of power battery, it is characterised in that: including measuring device described in any one in the claims 4-6, institute
Measuring device to be stated to be fixed between housing of power cell and battery modules, two ends of measuring device are arranged in up and down direction,
The corresponding connecting portion in the end being wherein located above is above the cooling water pipe inside the housing of power cell and takes and sets at this
On cooling water pipe.
8. power battery according to claim 7, it is characterised in that: the sticking part and power battery shell of the measuring device
The inner sidewall of the lower case of body is bonded, and the upper end of sticking part is no more than the mating surface of power battery upper-lower casing.
9. power battery according to claim 8, it is characterised in that: the upper end of the measuring device is fixed on power electric
In Chi Mo group, the lower end of the measuring device is fixed on power battery lower case bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480131.9A CN109458974B (en) | 2018-12-05 | 2018-12-05 | Device and method for measuring maximum deformation of side column collision power battery and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480131.9A CN109458974B (en) | 2018-12-05 | 2018-12-05 | Device and method for measuring maximum deformation of side column collision power battery and power battery |
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| CN109458974A true CN109458974A (en) | 2019-03-12 |
| CN109458974B CN109458974B (en) | 2024-05-31 |
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