CN108680437A - A kind of power battery aluminum hull pressure expansion mechanics detecting tool - Google Patents
A kind of power battery aluminum hull pressure expansion mechanics detecting tool Download PDFInfo
- Publication number
- CN108680437A CN108680437A CN201810174017.7A CN201810174017A CN108680437A CN 108680437 A CN108680437 A CN 108680437A CN 201810174017 A CN201810174017 A CN 201810174017A CN 108680437 A CN108680437 A CN 108680437A
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- China
- Prior art keywords
- side plate
- plate
- needle
- aluminum hull
- power battery
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- 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
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- 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)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of power battery aluminum hull pressure expansion mechanics detecting tools, including：Top plate and bottom plate, the second side plate, intermediate plate, push rod, suppresses needle and gas supply mechanism and pressure display instrument at the first side plate, wherein：Top plate is located at the top of bottom plate；First side plate, the second side plate are positioned opposite, and the upper and lower side of the first side plate, the second side plate is respectively fixed with top plate and bottom plate, and pressure sensor is equipped on the second side plate, and pressure sensor connects pressure display instrument；Intermediate plate is between the first side plate, the second side plate and is respectively parallel to the first side plate, the second side plate；One end of push rod is fixed across the first side plate with intermediate plate；The one end for suppressing needle is stretched into across top plate the first side plate, the second side plate；It suppresses needle and is internally provided with inlet chamber, suppress the one end of needle far from the first side plate and the second side plate and connect with gas supply mechanism by air inlet pipe.The present invention can monitor the situation of change of battery case swells power in real time while being suppressed to battery case.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of power battery aluminum hull pressure expansion mechanics detecting tools.
Background technology
It is much that power battery needs the aluminum hull for detecting shell postwelding to the progress pressure test of whole battery core that can bear after research and development
Pressure is a very important index parameter.Battery to be researched and developed, shell pressure resistance is the project for the verification for having to carry out,
Previous shell voltage-withstand test, according to professional standard air pressure more than ten kilograms and aluminum hull not explosion is qualification, but this data is too
It crosses generally, can not also detect the relationship that aluminum hull expansive force changes with air pressure change.
Invention content
Based on above-mentioned background technology, the present invention proposes a kind of power battery aluminum hull pressure expansion mechanics
Detecting tool monitors the situation of change of battery case swells power in real time while to be suppressed to battery case.
The present invention proposes a kind of power battery aluminum hull pressure expansion mechanics detecting tool, including：Top plate and bottom plate, first
Side plate, intermediate plate, push rod, suppresses needle and gas supply mechanism for providing air source and for showing pressure value at the second side plate
Pressure display instrument, wherein：
Top plate is located at the top of bottom plate；First side plate, the second side plate are positioned opposite and are reserved with spacing between, and
First side plate, the second side plate upper and lower side respectively fixed with top plate and bottom plate, pressure sensor is installed on the second side plate, press
Force snesor connects pressure display instrument；
Intermediate plate is between the first side plate, the second side plate and is respectively parallel to the first side plate, the second side plate；
One end of push rod is fixed across the first side plate with intermediate plate, and push rod and the first side plate screw-thread fit；
The one end for suppressing needle is stretched into across top plate the first side plate, the second side plate, is suppressed needle and is coordinated with roof movement, with
Make it that can move up and down；
It suppresses needle and is internally provided with inlet chamber up and down, suppress the one end of needle far from the first side plate and the second side plate and pass through
Air inlet pipe is connect with gas supply mechanism.
Preferably, it includes needle body and the syringe needle positioned at needle body one end to suppress needle, wherein needle body is located at syringe needle far from the first side
One end of plate and the second side plate, the outer diameter of needle body are more than the outer diameter of syringe needle.
Preferably, needle body is in contact with syringe needle equipped with seal washer.
Preferably, top plate is equipped with close to the side of bottom plate from the first side plate to the linearly extended upper cunning in the second side plate direction
Slot.
Preferably, bottom plate is equipped with the gliding groove parallel with upper hopper chute close to the side of top plate；The upper and lower side of intermediate plate is distinguished
It is slidably matched with upper hopper chute, gliding groove.
Preferably, pressure gauge is equipped between the both ends of air inlet pipe.
In the present invention, the sky being put into for mesuring battary is formed between using the first side plate and the cooperation of the second side plate
Between；The mesuring battary being placed between the first side plate, the second side plate is limited using push rod and intermediate plate cooperation, this is made to wait for
Survey the both sides side of battery respectively with the second side plate and intermediate plate against；Coordinated to mesuring battary with gas supply mechanism using needle is suppressed
Interior injection gas is to realize that battery suppresses work, during suppressing, is measured using pressure sensor and pressure display instrument cooperation
Second side plate pressure, to obtain external expansive force numerical value of battery during suppressing.Therefore, the structure of the tooling is set
The situation of change of battery case swells power can be monitored in real time while being suppressed to battery case by setting.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of power battery aluminum hull pressure expansion mechanics detecting tool proposed by the present invention；
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
As shown in FIG. 1, FIG. 1 is a kind of structures of power battery aluminum hull pressure expansion mechanics detecting tool proposed by the present invention
Schematic diagram.
Referring to Fig.1, a kind of power battery aluminum hull pressure expansion mechanics detecting tool that the embodiment of the present invention proposes, including：
Top plate 1, the first side plate 3, the second side plate 4, intermediate plate 5, push rod 6, suppresses needle 9 and the gas supply for providing air source at bottom plate 2
Mechanism 7 and pressure display instrument 8 for showing pressure value, wherein：Top plate 1 is located at the top of bottom plate 2；First side plate 3, the second side
Plate 4 is positioned opposite and is reserved with spacing between, and the upper and lower side of the first side plate 3, the second side plate 4 respectively with top plate 1,
Bottom plate 2 is fixed, and pressure sensor is equipped on the second side plate 4, and pressure sensor connects pressure display instrument 8.
Intermediate plate 5 is between the first side plate 3, the second side plate 4 and is respectively parallel to the first side plate 3, the second side plate 4.It pushes away
One end of bar 6 passes through the first side plate 3 to be fixed with intermediate plate 5, and 3 screw-thread fit of push rod 6 and the first side plate.
The one end for suppressing needle 9 is stretched into across top plate 1 the first side plate 3, the second side plate 4, and needle 9 and 1 activity of top plate are suppressed
Cooperation, so that it can be moved up and down.It suppresses needle 9 and is internally provided with inlet chamber up and down, suppress needle 9 far from the first side plate
3 and second one end of side plate 4 connect with gas supply mechanism 7 by air inlet pipe.
The present invention works in this way：Mesuring battary is placed between intermediate plate 5 and the second side plate 4, and utilizes push rod 6
With the first side plate 3 coordinate carry out precession action so that the both sides side of the mesuring battary respectively with the second side plate 4 and intermediate plate 5
Against, and pressure sensor is made to be in null states；Then it pushes away down and suppresses needle 9, make it close to the first side plate 3 and the second side plate 4
One end pass through the mesuring battary outer housing insert into the inner portion；Secondly, it is waited for using gas supply mechanism 8 with suppressing needle 9 and coordinate to this
It surveys inside battery and conveys gas to carry out suppressing work, during suppressing, utilize the pressure sensor and pressure on the second side plate 4
4 pressure of the second side plate is measured in the cooperation of power display instrument 8, to obtain external expansive force number of battery during suppressing
Value.
It is put for mesuring battary from the foregoing, it will be observed that the present invention is formed using the first side plate 3 with the cooperation of the second side plate 4 between
The space entered；The mesuring battary being placed between the first side plate 3, the second side plate 4 is carried out using push rod 6 and the cooperation of intermediate plate 5
Limit, make the both sides side of the mesuring battary respectively with the second side plate 4 and intermediate plate 5 against；Using suppressing needle 9 and gas supply mechanism
7 coordinate the injection gas into mesuring battary during suppressing, to utilize pressure sensor and pressure to realize that battery suppresses work
4 pressure of the second side plate is measured in the cooperation of display instrument 8, to obtain external expansive force numerical value of battery during suppressing.Cause
This, the structure setting of the tooling can monitor the variation feelings of battery case swells power in real time while being suppressed to battery case
Condition.
In addition, in the present embodiment, it includes needle body and the syringe needle positioned at needle body one end to suppress needle 9, wherein needle body is located at syringe needle
One end far from the first side plate 3 and the second side plate 4, the outer diameter of needle body are more than the outer diameter of syringe needle；Needle body is in contact with syringe needle and is equipped with
Seal washer, to improve the sealing effect for suppressing needle 9 with battery case contact surface after battery case.
In the present embodiment, top plate 1 is equipped with close to the side of bottom plate 2 from the first side plate 3 to 4 direction linear extension of the second side plate
Upper hopper chute；Bottom plate 2 is equipped with the gliding groove parallel with upper hopper chute close to the side of top plate 1；The upper and lower side of intermediate plate 5 respectively with it is upper
Sliding slot, gliding groove are slidably matched, so that the movement of intermediate plate 5 is more steady.
In the present embodiment, pressure gauge is equipped between the both ends of air inlet pipe, in order to which staff reads the pressure of input gas
Force value.And then the pressure value that is convenient for reference precisely assesses battery case swells power.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of power battery aluminum hull pressure expansion mechanics detecting tool, which is characterized in that including：Top plate (1), bottom plate (2),
Side plate (3), intermediate plate (5), push rod (6), suppresses needle (9) and the gas supply mechanism for providing air source at the second side plate (4)
(7) and the pressure display instrument (8) for showing pressure value, wherein：
Top plate (1) is located at the top of bottom plate (2)；First side plate (3), the second side plate (4) is positioned opposite and reserves between
There is spacing, and the upper and lower side of the first side plate (3), the second side plate (4) is respectively fixed with top plate (1), bottom plate (2), the second side plate
(4) pressure sensor is installed, pressure sensor connects pressure display instrument (8) on；
Intermediate plate (5) is between the first side plate (3), the second side plate (4) and is respectively parallel to the first side plate (3), the second side plate
(4)；
One end of push rod (6) passes through the first side plate (3) fixed with intermediate plate (5), and push rod (6) is matched with the first side plate (3) screw thread
It closes；
The one end for suppressing needle (9) is stretched into across top plate (1) the first side plate (3), the second side plate (4), and needle (9) and top plate are suppressed
(1) activity cooperation, so that it can be moved up and down；
It suppresses needle (9) and is internally provided with inlet chamber up and down, suppress needle (9) far from the first side plate (3) and the second side plate (4)
One end is connect by air inlet pipe with gas supply mechanism (7).
2. power battery aluminum hull pressure expansion mechanics detecting tool according to claim 1, which is characterized in that suppress needle
(9) include needle body and the syringe needle positioned at needle body one end, wherein needle body is located at syringe needle far from the first side plate (3) and the second side plate (4)
One end, the outer diameter of needle body is more than the outer diameter of syringe needle.
3. power battery aluminum hull pressure expansion mechanics detecting tool according to claim 2, which is characterized in that needle body and needle
Head is in contact equipped with seal washer.
4. power battery aluminum hull pressure expansion mechanics detecting tool according to claim 1, which is characterized in that top plate (1)
It is equipped with from the first side plate (3) to the linearly extended upper hopper chute in the second side plate (4) direction close to the side of bottom plate (2).
5. power battery aluminum hull pressure expansion mechanics detecting tool according to claim 4, which is characterized in that bottom plate (2)
It is equipped with the gliding groove parallel with upper hopper chute close to the side of top plate (1)；The upper and lower side of intermediate plate (5) respectively with upper hopper chute, glide
Slot is slidably matched.
6. power battery aluminum hull pressure expansion mechanics detecting tool according to any one of claims 1-5, feature exist
In equipped with pressure gauge between the both ends of air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174017.7A CN108680437A (en) | 2018-03-02 | 2018-03-02 | A kind of power battery aluminum hull pressure expansion mechanics detecting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810174017.7A CN108680437A (en) | 2018-03-02 | 2018-03-02 | A kind of power battery aluminum hull pressure expansion mechanics detecting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108680437A true CN108680437A (en) | 2018-10-19 |
Family
ID=63799245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810174017.7A Pending CN108680437A (en) | 2018-03-02 | 2018-03-02 | A kind of power battery aluminum hull pressure expansion mechanics detecting tool |
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| Country | Link |
|---|---|
| CN (1) | CN108680437A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612628A (en) * | 2018-12-07 | 2019-04-12 | 力神动力电池系统有限公司 | The test fixture of lithium ion battery life cycle management pressure |
| CN109813479A (en) * | 2019-01-04 | 2019-05-28 | 欣旺达电动汽车电池有限公司 | A kind of measuring device and measuring method of cell expansion power distribution |
| CN111879618A (en) * | 2020-07-09 | 2020-11-03 | 合肥国轩高科动力能源有限公司 | Method for testing withstand pressure of soft-packaged battery cell |
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| CN103776601A (en) * | 2014-02-28 | 2014-05-07 | 奇瑞汽车股份有限公司 | Battery pole sealing detecting device and detecting method thereof |
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| CN106525190A (en) * | 2016-12-30 | 2017-03-22 | 山东精工电子科技有限公司 | Device for detecting gas production rate of cylindrical lithium ion battery and application method thereof |
| CN107588910A (en) * | 2017-08-02 | 2018-01-16 | 芜湖职业技术学院 | Leak detecting device for battery and leak hunting method |
-
2018
- 2018-03-02 CN CN201810174017.7A patent/CN108680437A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202058835U (en) * | 2011-04-19 | 2011-11-30 | 哈尔滨光宇电源股份有限公司 | Bulge testing device for aluminum shell safety valve of lithium ion square battery |
| CN103776601A (en) * | 2014-02-28 | 2014-05-07 | 奇瑞汽车股份有限公司 | Battery pole sealing detecting device and detecting method thereof |
| US20160018431A1 (en) * | 2014-07-18 | 2016-01-21 | University Of Georgia Research Foundation, Inc. | Berry impact recording device |
| CN205808609U (en) * | 2016-06-29 | 2016-12-14 | 北京普莱德新能源电池科技有限公司 | A kind of for measuring lithium battery electric core and the device of battery modules expansive force |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612628A (en) * | 2018-12-07 | 2019-04-12 | 力神动力电池系统有限公司 | The test fixture of lithium ion battery life cycle management pressure |
| CN109813479A (en) * | 2019-01-04 | 2019-05-28 | 欣旺达电动汽车电池有限公司 | A kind of measuring device and measuring method of cell expansion power distribution |
| CN111879618A (en) * | 2020-07-09 | 2020-11-03 | 合肥国轩高科动力能源有限公司 | Method for testing withstand pressure of soft-packaged battery cell |
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Application publication date: 20181019 |