CN205825861U - A kind of thickness measurement online equipment - Google Patents
A kind of thickness measurement online equipment Download PDFInfo
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- CN205825861U CN205825861U CN201620590082.4U CN201620590082U CN205825861U CN 205825861 U CN205825861 U CN 205825861U CN 201620590082 U CN201620590082 U CN 201620590082U CN 205825861 U CN205825861 U CN 205825861U
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Abstract
The utility model discloses a kind of thickness measurement online equipment, including: for the first platform of horizontal positioned mesuring battary；Test platform, with the first platform parallel, is provided with the multiple measurement sensors towards the first platform, and multiple measurement sensors are distributed on test platform with default arrangement mode；For according to measuring the signal acquisition that sensor returns the data processor recording thickness measurement data, being connected with measuring sensor.When to battery testing, mesuring battary is lain in a horizontal plane on the first platform, battery can be connected with charge and discharge cycles test instrunment simultaneously, thickness measure can be carried out in carrying out charge and discharge cycles test simultaneously, it is thus achieved that loop test data can be corresponding with cell thickness measurement data.Therefore, this utility model thickness measurement online equipment achieves the on-line measurement to cell thickness, overcomes existing manual measurement method workload big, and the problem that the thickness data obtained can not be the most corresponding with loop test data.
Description
Technical field
This utility model relates to battery testing technical field, particularly relates to a kind of thickness measurement online equipment.
Background technology
At electronic product initial stage of development, it is to be understood that the various performance datas of battery, including electrical property, security performance, can
By property etc., it addition, the thickness situation of change that battery is during charge and discharge cycles is also significant data.
Finding through analyzing, there are the biggest dependency in the change of cell thickness and the service life of battery, general, work as battery
Thickness when occurring suddenly quickly increasing, it is meant that the capacity of battery will be decayed rapidly, for normally used lithium battery, together with
Time lithium metal precipitation phenomenon occurs.Visible measurement circulating cycle number of comparing, the thickness change of observation battery more can predict making of battery
With the life-span, it is more conducive to research staff and studies the various factors Influencing Mechanism to battery life；Further, electrolytic cell is using longevity
The thickness situation of change of hit, uses the design in space also to have critically important directive significance to battery in product.
At present, the measurement to cell thickness is by hand dipping, certain stage in circulating battery is tested, and will interrupt circulation
Work step carries out hand dipping.Obviously, so operating not only workload big, reliable measuring data is poor, and thickness data with follow
Ring test data can not be corresponding very well, can affect battery and the analysis of properties data and research.
Utility model content
The purpose of this utility model is to provide a kind of thickness measurement online equipment, is applied to cell thickness measure of the change, overcomes
Existing measuring method not only workload is big, and the problem that the thickness data obtained can not be the most corresponding with loop test data.
For solving above-mentioned technical problem, this utility model following technical scheme of offer:
A kind of thickness measurement online equipment, including:
The first platform for horizontal positioned mesuring battary；
Test platform, with described first platform parallel, is provided with the multiple measurement sensings towards described first platform
Device, multiple described measurement sensors are distributed on described test platform with default arrangement mode；
For the signal acquisition returned according to described measurement sensor the data processor recording thickness measurement data, with
Described measurement sensor is connected.
Alternatively, described first platform is provided with the fixture for fixing mesuring battary.
Alternatively, described test platform, along the width of mesuring battary, is uniformly divided into N number of measured zone, N number of
Being respectively arranged with described measurement sensor corresponding in same lengthwise position in described measured zone, N is the positive integer more than zero.
Alternatively, on described test platform, described measurement sensor is distributed with matrix determinant.
Alternatively, described measurement sensor includes for the signal emitting-source of emission measurement signal with for receiving measurement letter
Number the reception sensor of feedback signal.
Alternatively, described measurement sensor includes that laser measurement sensor, acoustic measurement sensor or infrared rays survey pass
Sensor.
Alternatively, also include the operation interface being connected with described measurement sensor, including:
For controlling unlatching equipment when being triggered or closing the on and off switch of hull closure；
For controlling described measurement operating sensor or measuring point out of service switch when being triggered；
For when being triggered, measurement data is made zero zero away from reset key；
For equipment being measured when being triggered the correcting key of correction；
For showing the display screen of measurement data.
Alternatively, described measurement sensor also includes that mechanical contact-type sensor, described mechanical contact-type sensor include
Amesdial.
Alternatively, also include vertically arranged, for installing described first platform, the guide pillar of described test platform, described
First platform and described test platform can be along described guide pillar upper and lower translations.
Alternatively, the base of fixing described guide pillar is also included.
By foregoing it can be seen that a kind of thickness measurement online equipment provided by the utility model, including the first platform, survey
Examination platform and data processor, described first platform is used for horizontal positioned mesuring battary, test platform and the first platform parallel,
Being provided with the multiple measurement sensors towards the first platform, multiple described measurement sensors are distributed with default arrangement mode.Pass through
Measurement sensor on test platform can measure the thickness at whole each position of battery simultaneously, and data processor is according to measuring sensor
The signal acquisition returned the thickness measurement data recording battery, thus realize the monitoring to cell thickness change.
When to battery testing, mesuring battary is lain in a horizontal plane on the first platform, can battery be followed with discharge and recharge simultaneously
Ring test instrument connects, and can carry out thickness measure in carrying out charge and discharge cycles test simultaneously, is not required to interrupt circulation work step,
In charge and discharge cycles test carried out, the thickness of battery can be measured according to predetermined period and records thickness measurement data, it is thus achieved that follow
Ring test data can be corresponding with cell thickness measurement data.Therefore, this utility model thickness measurement online equipment achieves electricity
The on-line measurement of pond thickness, compared with prior art, overcomes its manual measurement method workload big, and the thickness data obtained
Problem that can not be the most corresponding with loop test data.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
The schematic diagram of a kind of thickness measurement online equipment that Fig. 1 provides for this utility model embodiment；
Fig. 2 is the thickness change schematic diagram that battery is deformed；
The distribution schematic diagram of test point is selected on a kind of test platform that Fig. 3 provides for this utility model embodiment；
A kind of thickness measurement online equipment that Fig. 4 provides for this utility model embodiment arranges showing of mechanical contact-type sensor
It is intended to；
One group of the thickness measurement online equipment acquisition that Fig. 5 provides for using this utility model embodiment in battery charging process
The change curve of thickness swelling；
Fig. 6 is the change song of a group of battery capacity conservation rate and thickness swelling in circulating battery is tested that test obtains
Line chart.
Detailed description of the invention
The most as described in the background section, in prior art, the measurement to cell thickness is in circulating battery is tested,
Certain stage interrupts circulation work step, carries out hand dipping, this not only operation element amount big, and thickness measurement data and loop test
Data can not be corresponding very well, when according to measurement data to service life of battery and various performance parameters analysis and research, and meeting
Reduce accuracy.
Based on this, this utility model provides a kind of thickness measurement online equipment, including:
The first platform for horizontal positioned mesuring battary；
Test platform, with described first platform parallel, is provided with the multiple measurement sensings towards described first platform
Device, multiple described measurement sensors are distributed on described test platform with default arrangement mode；
For the signal acquisition returned according to described measurement sensor the data processor recording thickness measurement data, with
Described measurement sensor is connected.
By foregoing it can be seen that this utility model provide thickness measurement online equipment, including the first platform, test platform
And data processor, described first platform is used for horizontal positioned mesuring battary, test platform and the first platform parallel, is provided with
Towards multiple measurement sensors of the first platform, multiple described measurement sensors are distributed with default arrangement mode.Flat by test
Measurement sensor on platform can measure the thickness at whole each position of battery simultaneously, and data processor is according to measuring what sensor returned
Signal acquisition also records the thickness measurement data of battery, thus realizes the monitoring to cell thickness.
When to battery testing, mesuring battary is lain in a horizontal plane on the first platform, can battery be followed with discharge and recharge simultaneously
Ring test instrument connects, and can carry out thickness measure in carrying out charge and discharge cycles test simultaneously, is not required to interrupt circulation work step,
In charge and discharge cycles test carried out, the thickness of battery can be measured according to predetermined period and records thickness measurement data, it is thus achieved that follow
Ring test data can be corresponding with cell thickness measurement data.Therefore, this utility model thickness measurement online equipment achieves electricity
The on-line measurement of pond thickness, compared with prior art, overcomes its manual measurement method workload big, and the thickness data obtained
Problem that can not be the most corresponding with loop test data.
It is above core concept of the present utility model, for enabling above-mentioned purpose of the present utility model, feature and advantage more
Add and become apparent, below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail.
Elaborate a lot of detail in the following description so that fully understanding this utility model, but this practicality is new
Type can also use other to be different from alternate manner described here to implement, and those skilled in the art can be without prejudice to this reality
Doing similar popularization in the case of novel intension, therefore this utility model is not limited by following public specific embodiment.
Secondly, this utility model combines schematic diagram and is described in detail, when describing this utility model embodiment in detail, for ease of
Illustrate, represent that the profile of device architecture can be disobeyed general ratio and made partial enlargement, and described schematic diagram is example, its
This should not limit the scope of this utility model protection.Additionally, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication
Between size.
Refer to Fig. 1, for the schematic diagram of a kind of thickness measurement online equipment that this utility model embodiment provides, described thickness measuring sets
For including: the first platform 100, test platform 101 and data processor.
Described first platform 100 is for horizontal positioned mesuring battary.Optionally, described first platform 100 can be arranged
For fixing the fixture 103 of mesuring battary；Also battery can be connected with charge and discharge cycles test instrunment by fixture 103, with right
Battery carries out charge and discharge cycles test.
Described test platform 101 be arranged in parallel with described first platform 100, may be provided at the upper of described first platform 100
Side, or, it is possible to it is arranged on the lower section of described first platform 100, does not limits.Fig. 1 schematic diagram is flat with test
Platform 101 illustrates as a example by being positioned at above the first platform 100.
Being provided with the multiple measurement sensors 102 towards the first platform 100 on test platform 101, multiple measurement senses
Device 102 is distributed on test platform 101 with default arrangement mode, measures the distribution mode of sensor 102 can monitor acquisition
The thickness of whole each several part of mesuring battary.
It is described in detail with regard to measuring a kind of arrangement mode of sensor on test platform in the present embodiment below.
For the battery used in electronic product, such as lithium battery, battery can gradually expand change along with the increase of access times
Thick.In theory, preferably to expand be the uniform expansion on cell thickness direction, i.e. overall on the basis of original depth T0 increases
One thickness.But in a practical situation, due to the stress effect by internal expansion, the power of internal expansion can't be equably
Release, but discharged by the place that battery structure intensity is less.Analyze discovery after deliberation, with polymer Li-ion battery be
Example, as in figure 2 it is shown, the these three band of position is that battery is strong in battery centre position and the 1/10 of battery two edges～1/5 interval
Spend more weak region, be also the main region causing battery irregularly to expand, can be formed a kind of similar after battery life-time service
The deformation of " S " type, on cell widths direction, cell thickness will produce significant change, and battery will produce T1, T2, T3 tri-kinds not
Same thickness area, it is seen that the key testpoint measuring cell thickness, be in the same lengthwise position of battery is horizontal
Thickness in juxtaposed regions.Based on this, in this utility model one preferred implementation, measure sensor 102 flat in test
Arrangement mode on platform is in the following way.
Specifically, test platform 101 is along the width of mesuring battary, it is uniformly divided into N number of measured zone, N number of
Being respectively arranged with described measurement sensor 102 corresponding in same lengthwise position in described measured zone, N is the most whole more than zero
Number.By the measurement sensor 102 of this setting, acquisition battery can be measured in same lengthwise position in each measured zone simultaneously
Thickness changes, thus monitors the situation of change of battery thickness in the direction of the width, in order to divide according to the thickness situation of change of battery
Analyse and study service life and the parameters of battery.
Referring to Fig. 3, Fig. 3 is the distribution schematic diagram selecting test point in the present embodiment on test platform, is with along to be measured
On the width of battery, it is uniformly divided into three measured zone (dotted line separation region in figure), corresponding in each measured zone
Described measurement sensor (corresponding to test point) it is respectively arranged with in same lengthwise position.
Preferably, on described test platform, described measurement sensor can be to be distributed with matrix determinant.Ensure permissible
Monitor the thickness at whole each position of battery all sidedly.
Therefore, the present embodiment thickness measurement online equipment, the arrangement mode that its test platform is measured sensor is: at battery width
Degree is uniformly divided into N number of measured zone, corresponding to being respectively provided with survey in each measured zone in the same lengthwise position of battery on direction
Quantity sensor, so can monitor and analyze the change of the thickness on cell widths direction, Ke Yibang during circulating battery
Help analysis battery thickness change and trend in service life.
In the present embodiment, described measurement sensor 102 can be non-contact measurement sensor, specifically includes for launching
Measuring the signal emitting-source of signal and for receiving the reception sensor of the feedback signal measuring signal, signal emitting-source is to be measured
Battery surface emission measurement signal, measures signal and arrives battery surface back reflection, and the feedback signal of formation is connect by receiving sensor
Take in row thickness measure.
Optionally, measuring sensor 102 can be laser measurement sensor, acoustic measurement sensor, infrared rays survey biography
Sensor.It is understood that can also be other type of noncontacting proximity sensor, the most all at this utility model protection domain
In.
Further, described thickness measurement online equipment may also include the operation interface being connected with described measurement sensor 102
104, including:
For controlling unlatching equipment when being triggered or closing the on and off switch of hull closure；
For controlling described measurement operating sensor or measuring point out of service switch when being triggered；
For when being triggered, measurement data is made zero zero away from reset key；
For equipment being measured when being triggered the correcting key of correction；
For showing the display screen of measurement data.
By operation on and off switch, in order to control this thickness measurement online opening of device or closedown.
Measuring point switch is for controlling opening or closing of measurement sensor 102, it is possible to select the measurement sensor of corresponding test point,
Control it to open or close.If user wants the thickness on measurement battery at certain several test point, then can be selected by measuring point switch
Open the measurement sensor at corresponding test point, carry out thickness measure.Therefore by the survey on the optional battery of measuring point switch
Pilot.
Zero is used for when being triggered making zero measurement data away from reset key, before testing, when determining that battery is flat with test
The initial phase para-position of platform postpones, and by operation zero away from reset key, measurement data is made zero, in order to follow-up measurement.
Correcting key, for equipment being measured correction when being triggered, can use thickness calibration part, by operation school
Positive button measures correction to equipment, it is ensured that this equipment carries out the data accuracy of thickness measure.
By display screen, controller can show measurement data.
Optionally, measure sensor 102 and can also use mechanical contact-type sensor.Mechanical contact-type sensor includes thousand
Point table, concrete structure refers to shown in Fig. 4, is contacted with battery surface by contact and measures cell thickness.Certainly, Fig. 4
The schematic diagram of a kind of mechanical contact-type sensor provided for the present embodiment, for thickness measurement online equipment, on test platform 101
Corresponding each test point all can arrange sensor.
In the present embodiment, data processor is connected with measuring sensor 102, and data processor returns according to measuring sensor
Signal acquisition and record thickness measurement data.In reality is tested, can will be able to be somebody's turn to do using background computer as data processor
Thickness-measuring equipment is connected with background computer, and the data signal measuring sensor return can be sent at data by wired mode
Reason device, it is also possible to be wirelessly to be transmitted.
The present embodiment thickness measurement online equipment and circulating battery test instrunment can be maintained in same system, can be to list
In individual charging-discharging cycle or the cell thickness situation of change that circulates in cycle service life whole to battery is monitored, measure
Record cell thickness delta data.During battery is circulated test, can be according to data test requirement, in default week
Carry out thickness measure in period phase, by thickness data real time record, it is thus achieved that thickness measurement data can be with loop test data
Can be the most corresponding.
The present embodiment thickness measurement online equipment, when battery is circulated test, lies in a horizontal plane in first by mesuring battary flat
On platform, first measuring the original depth of battery, and make zero before loop test, in follow-up measurement, measuring the data obtained is electricity
The amounts of thickness variation in pond, analyzes the thickness change Changing Pattern with circulation cycle of battery according to amounts of thickness variation.
Clear with reference to Fig. 5, for using one group of the thickness measurement online equipment acquisition of the present embodiment offer in battery charging process
The change curve of thickness swelling, in figure, abscissa is battery charging charging state, and vertical coordinate is thickness swelling.Can by Fig. 5
To find out, in the single charge and discharge process of battery, there is change in cell thickness, according to cell thickness data in charge and discharge process
Change curve, can help to analyze inside battery constitutional balance, material expansion character etc., contribute to formulating further for
The ameliorative way of thickness, to promote resultant battery and battery combination property in use.
Refer to Fig. 6, one group of battery capacity conservation rate and the thickness swelling in circulating battery is tested obtained for test
Change curve, in figure, abscissa for circulation cycle, left side vertical coordinate is capability retention, and right side vertical coordinate is that thickness is swollen
Swollen rate, in figure, 1. curve is the capability retention curve of battery, and 2. curve is the thickness swelling curve of battery.By permissible in figure
Finding out, with the increase of circulating battery test, cell thickness is the most thickening.Within first 100 weeks, it is the main interval of cell thickness expansion,
After 100 weeks, thickness swelling tapers into.Therefore can be changed with on-line monitoring battery electrical property in service life by this equipment
And thickness change, can be by the most corresponding with thickness profiles for the electrical property change curve of battery, it is possible to combining is carried out point
Analysis, according to obtain test data can help analyze battery in cyclic process thickness change and trend, thus formulate for
The ameliorative way of thickness, contributes to promoting resultant battery and battery combination property in use.
Refer to shown in Fig. 1, the present embodiment thickness measurement online equipment also includes vertically arranged, described first flat for installing
Platform 100, the guide pillar 105 of described test platform 101, described first platform 100 and described test platform 101 can be along described guide pillars
105 upper and lower translations.Reality test in, can upper and lower translation the first platform 100 and test platform 101, regulation test platform with electricity
Distance between pond, reaches most preferably to find range, and the test signal making the measurement sensor on test platform send reaches optimum state,
Improve the accuracy measured.
Also include the base 106 for fixing described guide pillar 105 so that equipment can firmly be placed.
Thickness measurement online equipment described in the present embodiment, it is achieved that on-line measurement and the monitoring to cell thickness, it is possible to monitoring electricity
Thickness change in pond service life and trend, the thickness variation data that monitoring obtains is corresponding with loop test data energy, energy
Enough analysis battery thickness change and the trend during charge and discharge cycles of helping, and all other performance parameters.
Above a kind of thickness measurement online equipment provided by the utility model is described in detail.Tool used herein
Principle of the present utility model and embodiment are set forth by body example, and the explanation of above example is only intended to help to understand
Method of the present utility model and core concept thereof.It should be pointed out that, for those skilled in the art, do not taking off
On the premise of this utility model principle, it is also possible to this utility model is carried out some improvement and modification, these improve and modify
Also fall in this utility model scope of the claims.
Claims (10)
1. a thickness measurement online equipment, it is characterised in that including:
The first platform for horizontal positioned mesuring battary；
Test platform, with described first platform parallel, is provided with the multiple measurement sensors towards described first platform, many
Individual described measurement sensor is distributed on described test platform with default arrangement mode；
For the signal acquisition returned according to described measurement sensor the data processor recording thickness measurement data, with described
Measurement sensor is connected.
2. equipment as claimed in claim 1, it is characterised in that be provided with for fixing mesuring battary on described first platform
Fixture.
3. equipment as claimed in claim 1, it is characterised in that described test platform along the width of mesuring battary,
It is uniformly divided into N number of measured zone, in N number of described measured zone, is respectively arranged with described measurement corresponding in same lengthwise position
Sensor, N is the positive integer more than zero.
4. equipment as claimed in claim 3, it is characterised in that described measurement sensor is with row matrix on described test platform
Column is distributed.
5. equipment as claimed in claim 1, it is characterised in that described measurement sensor includes the letter for emission measurement signal
Number emission source and for receiving the reception sensor of the feedback signal measuring signal.
6. equipment as claimed in claim 5, it is characterised in that described measurement sensor includes laser measurement sensor, sound wave
Measure sensor or infrared rays survey sensor.
7. equipment as claimed in claim 5, it is characterised in that also include the operation interface being connected with described measurement sensor,
Including:
For controlling unlatching equipment when being triggered or closing the on and off switch of hull closure；
For controlling described measurement operating sensor or measuring point out of service switch when being triggered；
For when being triggered, measurement data is made zero zero away from reset key；
For equipment being measured when being triggered the correcting key of correction；
For showing the display screen of measurement data.
8. equipment as claimed in claim 1, it is characterised in that described measurement sensor also includes mechanical contact-type sensor,
Described mechanical contact-type sensor includes amesdial.
9. the equipment as described in any one of claim 1-8, it is characterised in that also include vertically arranged, described for installing
First platform, the guide pillar of described test platform, described first platform and described test platform can be along described guide pillar upper and lower translations.
10. equipment as claimed in claim 9, it is characterised in that also include the base of fixing described guide pillar.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105865304A (en) * | 2016-06-16 | 2016-08-17 | 杭州金色能源科技有限公司 | On-line thickness measuring equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105865304A (en) * | 2016-06-16 | 2016-08-17 | 杭州金色能源科技有限公司 | On-line thickness measuring equipment |
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