CN209355897U - A kind of Flank Pole touches power battery maximum distortion measuring device and power battery - Google Patents
A kind of Flank Pole touches power battery maximum distortion measuring device and power battery Download PDFInfo
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- CN209355897U CN209355897U CN201822032279.8U CN201822032279U CN209355897U CN 209355897 U CN209355897 U CN 209355897U CN 201822032279 U CN201822032279 U CN 201822032279U CN 209355897 U CN209355897 U CN 209355897U
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- Prior art keywords
- measuring device
- power battery
- housing
- power
- sticking part
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- 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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Abstract
The utility model 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 utility model relates to field of automobile safety, power battery deflection in the case of especially a kind of vehicle side column touches
Measuring 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.
Utility model content
The utility model aim is to provide a kind of Flank Pole and touches power battery maximum distortion measuring device 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 utility model proposes following technical solutions:
The utility model provides a kind of Flank Pole and touches power battery maximum distortion measuring device, the material of the measuring device
It is 30% or more and characteristic of the strength of materials between 20MPa~60Mpa that material, which has elongation percentage,；The measuring device 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, the sticking part is adapted to the inner sidewall of housing of power cell, the end
It 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 lower case of the sticking part and housing of power cell of the measuring device it is interior
Side wall 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, described
The lower end of measuring device is fixed on power battery lower case bottom plate.
The utility model has the advantages that
From the above technical scheme, the technical solution of the utility model provides a kind of Flank Pole and touches power battery maximum
Deflection measuring device, method and power battery.The measuring device selects the material that elongation percentage is big, rebound is small, and installs solid
It is scheduled between housing of power cell and battery modules, it is dynamic to present using the part for being bonded power battery lower case in measuring device
The maximum distortion position that power battery 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 utility model theme of the disclosure in the case that the design of sample is not conflicting.
The foregoing and other side of the utility model introduction can be more fully appreciated from the following description in conjunction with attached drawing
Face, embodiment and feature.The features and/or benefits of other additional aspects such as illustrative embodiments of the utility model
To be obvious in the following description, or will be learnt in the practice by the specific embodiment instructed according to the utility model.
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, by by example and be described in reference to the drawings the utility model various aspects embodiment, 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 know more about the technology contents of the utility model, spy lifts specific embodiment and institute's accompanying drawings is cooperated to be described as follows.
It is described with reference to the various aspects of the utility model in the disclosure, shown in the drawings of the implementation of many explanations
Example.It is not intended to cover all aspects of the utility model for embodiment of the disclosure.It should be appreciated that a variety of structures presented hereinbefore
Think and embodiment, and those of describe in more detail below design and embodiment can in many ways in any one
Implement, this is because conception and embodiment disclosed in the utility model are not limited to any embodiment.In addition, this is practical
Novel disclosed some aspects can be used alone, or with it is disclosed by the utility model it is otherwise it is any it is appropriately combined come
It uses.
The original intention of the utility model is to research and develop one kind to embody power battery maximum in the real train test that Flank Pole touches
The method of deflection, since housing of power cell itself is sprung back after Flank Pole touches, deformation after the test is not
Maximum distortion during test, and the cooling water pipe 4 that power battery interior occurs after Flank Pole touches for power battery is extruded
The risks such as even power battery is on fire have inseparable relationship with power battery maximum deformation quantity, therefore how to record
Maximum deformation quantity to power battery is the bottleneck that utility model people's emphasis needs to break through.Finally, the utility model is from material
Energy angle is set out, and is selected the material that elongation percentage is big and rebound is small that measuring device 5 is made, is bonded power electric in the measuring device 5
The region easily-deformable when Flank Pole occurs and touches on pond, when Flank Pole is touched, deformation occurs together with the easily-deformable region, until
There is maximum distortion in easily-deformable region, and hereafter easily-deformable region is sprung back, and the measuring device 5 is due to springing back small, Bu Huisui
Easily-deformable region spring back together, so as to record maximum distortion.
Specifically, specific embodiment of the utility model gives 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
Select including but not limited to leads or aluminum strip or tin bar, the embodiments of the present invention particularly point out these three materials be because this three
Kind of material relatively easily from obtaining on the market, and especially leads is widely used and cheap on angling sinker.
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 utility model has been disclosed with preferred embodiment as above, so it is not intended to limit the utility model.This reality
It is without departing from the spirit and scope of the utility model, each when that can make with novel those of ordinary skill in the art
Kind changes and retouches.Therefore, the protection scope of the utility model is subject to view those as defined in claim.
Claims (6)
1. 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.
2. Flank Pole according to claim 1 touches power battery maximum distortion measuring device, it is characterised in that: the survey
Measuring device is leads or aluminum strip or tin bar.
3. Flank Pole according to claim 2 touches power battery maximum distortion measuring device, it is characterised in that: the survey
Measure device with a thickness of 1.0mm-1.5mm.
4. a kind of power battery, it is characterised in that: including measuring device described in any one in the claims 1-3, 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.
5. power battery according to claim 4, 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.
6. power battery according to claim 5, 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 |
|---|---|---|---|
| CN201822032279.8U CN209355897U (en) | 2018-12-05 | 2018-12-05 | A kind of Flank Pole touches power battery maximum distortion measuring device and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822032279.8U CN209355897U (en) | 2018-12-05 | 2018-12-05 | A kind of Flank Pole touches power battery maximum distortion measuring device and power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209355897U true CN209355897U (en) | 2019-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822032279.8U Expired - Fee Related CN209355897U (en) | 2018-12-05 | 2018-12-05 | A kind of Flank Pole touches power battery maximum distortion measuring device and power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209355897U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458974A (en) * | 2018-12-05 | 2019-03-12 | 江苏敏安电动汽车有限公司 | A kind of Flank Pole touches power battery maximum distortion measuring device, method and power battery |
| CN111122353A (en) * | 2019-12-17 | 2020-05-08 | 同济大学 | Method for evaluating collision performance of energy absorption pad for automobile battery based on drop hammer test method |
| CN109458974B (en) * | 2018-12-05 | 2024-05-31 | 江苏敏安电动汽车有限公司 | Device and method for measuring maximum deformation of side column collision power battery and power battery |
-
2018
- 2018-12-05 CN CN201822032279.8U patent/CN209355897U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458974A (en) * | 2018-12-05 | 2019-03-12 | 江苏敏安电动汽车有限公司 | A kind of Flank Pole touches power battery maximum distortion measuring device, method and power battery |
| CN109458974B (en) * | 2018-12-05 | 2024-05-31 | 江苏敏安电动汽车有限公司 | Device and method for measuring maximum deformation of side column collision power battery and power battery |
| CN111122353A (en) * | 2019-12-17 | 2020-05-08 | 同济大学 | Method for evaluating collision performance of energy absorption pad for automobile battery based on drop hammer test method |
| CN111122353B (en) * | 2019-12-17 | 2021-03-26 | 同济大学 | Method for evaluating collision performance of energy absorption pad for automobile battery based on drop hammer test method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20201205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |