CN208296811U - A kind of battery module bottom plane degree detection device - Google Patents
A kind of battery module bottom plane degree detection device Download PDFInfo
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- CN208296811U CN208296811U CN201820679786.8U CN201820679786U CN208296811U CN 208296811 U CN208296811 U CN 208296811U CN 201820679786 U CN201820679786 U CN 201820679786U CN 208296811 U CN208296811 U CN 208296811U
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- battery module
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- bottom plane
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Abstract
The utility model provides a kind of battery module bottom plane degree detection device, is measured with the flatness to the bottom surface formed in battery module by each battery cell.Battery module bottom plane degree detection device includes detection support and in detection support and is used to support the horizontally-supported seat of battery module, detection device further includes the distance measuring sensor below horizontally-supported seat, horizontally-supported seat is equipped with the detection medium issued upwards for distance measuring sensor by the way that with the through channel of the battery cell bottom surface progress ranging to battery module, detection device further includes the actuator for driving horizontally-supported seat and/or distance measuring sensor to move back and forth along the horizontal arrangement direction of each battery cell.Distance measuring sensor can carry out ranging to each battery cell of battery module, the maximum height difference between each battery cell is calculated by analysis meter again, and the maximum difference between ideal plane, the foundation of requirement whether is met as judge battery module bottom plane degree.
Description
Technical field
The utility model relates to a kind of battery module bottom plane degree detection devices.
Background technique
Ternary system battery obtains tremendous development, passenger car market continuous enlargement, compared to car city before within 2017
, it is higher to the dimension precision requirement of the supplied materials (such as battery module) of battery pack since passenger car entrucking space is smaller.It is existing
Shown in application for a patent for invention of the battery module mostly such as application publication number for CN107331884A in technology, the application for a patent for invention
A kind of battery module compression apparatus and its rack are disclosed, a kind of battery is disclosed in the background technique of the application for a patent for invention
Module, the battery module include multiple battery cells being sequentially arranged in left-right direction, carried out between each battery cell series connection and/
Or it is in parallel, be adhesive with cushion respectively in the rear and front end of each battery cell, before and after the cushion outside be adhesive with end plate,
Each battery cell, cushion and end plate are fitted together by way of gluing.Position is also connected between two end plates
In angle bar between the two, reinforce the intensity of battery module.In the assembling process of battery module, it is desirable that be with end plate lower surface
Positioning reference plane is to improve the precision of assembly, and therefore, the machining accuracy of end plate is higher.
It is different that heating is carried out from the form that car generallys use PTC heating plate, and more passenger car enterprises select liquid cooling knots
The heating system of structure guarantees the normal charge-discharge performance of battery pack, and reduces in low temperature environment work to the battery pack service life
Loss.Traditional battery module integrates in production process, has no and is distinctly claimed to battery module bottom plane degree, also without thus
Design effective detection means.And heating system is directly contacted with the bottom of battery cell in battery module in passenger car, to by
The planarity requirements that each battery cell is formed by battery module bottom plane are higher, uniformly quick in order to realize heating system
Heating, it is necessary to assure heating system and being formed by between battery module base contact surface by each battery cell fits closely, because
This, needs the flatness to battery module bottom to detect, the battery module for selecting flatness to meet certain requirements.
Utility model content
The purpose of this utility model is to provide a kind of battery module bottom plane degree detection devices, in battery module
The flatness of the bottom surface formed by each battery cell measures.
To achieve the above object, the technical solution of the utility model battery module bottom plane degree detection device is: a kind of
Battery module bottom plane degree detection device including detection support and in detection support and is used to support the water of battery module
Flat support base, detection device further include the distance measuring sensor below horizontally-supported seat, and horizontally-supported seat is equipped with for ranging
The detection medium that sensor issues upwards passes through with the through channel of the battery cell bottom surface progress ranging to battery module, detection
Device further includes for driving horizontally-supported seat and/or distance measuring sensor to move back and forth along the horizontal arrangement direction of each battery cell
Actuator.
The beneficial effects of the utility model are: battery module bottom plane degree detection device provided by the utility model includes
Detection support, detection support are equipped with horizontally-supported seat, and the lower section of horizontally-supported seat is equipped with distance measuring sensor, distance measuring sensor energy
Detection medium is enough issued upwards, it being capable of measuring targets progress ranging by the sending and return that detect medium.It is horizontally-supported
The through channel passed through for detection medium is provided on seat, detection medium can be to battery cell bottom surface after passing through the through channel
Carry out ranging.Detection device further includes actuator.When specifically used, actuator drives horizontally-supported seat and/or distance measuring sensor,
In the process of moving, ranging can be carried out to each battery cell of battery module, then each battery cell is calculated by analysis meter
Between maximum height difference, whether the and maximum difference between ideal plane full as battery module bottom plane degree is judged
The foundation of sufficient requirement.In the utility model, battery module bottom is calculated indirectly by carrying out ranging to each battery cell
Flatness, it is convenient and efficient, can be realized quick detection.
While the bottom surface to each battery cell carries out ranging to judge that battery module soffit plane is spent, to each electricity
The flatness of pond monomer bottom surface is tested, and to increase detection parameters, the distance measuring sensor includes at least two for along vertical
Directly in the spaced apart gauge head of horizontal direction of each battery cell horizontal arrangement, each gauge head is used for same battery cell bottom surface
Different location carries out ranging.
Specific in the structure of distance measuring sensor, the distance measuring sensor is that laser range sensor or infrared distance measurement sense
Device or ultrasonic distance-measuring sensor.
In actual use, battery module includes the end plate outside the battery cell, and the lower end surface of end plate pass through frequently as
The datum level of assembly positions battery module using the lower end surface of end plate and keeps measurement result more accurate, the water
Supporting surface is equipped on flat support base at the upper port of the through channel, the supporting surface is for the two end plates with battery module
Corresponding positioning support cooperation and the supporting surface are parallel to the horizontal arrangement direction of each battery cell.
Battery module is positioned using the hole for hoist being arranged on the end plate of battery module, it is prominent on the supporting surface
It is provided with shop bolt, shop bolt is used to be inserted on battery module end plate when battery module is placed on the supporting surface
To be positioned to battery module in hole for hoist.
In order to adapt to the battery cell of different number, different-thickness, increase producing line compatibility.In support on horizontally-supported seat
Being equipped at face can be used to cooperate with shop bolt with solid along the adjustable locating piece in arragement direction position of each battery cell, locating piece
Determine the respective end plates of battery module.
It is accurate to be driven using electric cylinders mould group, the feature that single stroke is adjustable, and the actuator is in detection support
Electric cylinders mould group is installed with the distance measuring sensor on the output end of electric cylinders mould group, is additionally provided with and is used on the horizontally-supported seat
Control the battery module inductor of the electric cylinders mould group start and stop.It can be realized automatic range by battery module inductor.
In order to guarantee the precision of measurement, detection device further includes the levelling mechanism for being leveled to horizontally-supported seat,
The detection support includes at least three stands that top is equipped with the horizontally-supported seat, and levelling mechanism includes being divided into each stand
The height adjustment mechanism of lower end.
Height adjustment mechanism includes L shape support plate, and L shape support plate includes the vertical edge set on corresponding stand lower end, further includes
Horizontal edge equipped with screw rod perforation, the interior activity along the vertical direction of screw rod perforation are coated with adjusting screw rod, the upper end spinning of adjusting screw rod
There is fastening nut.
The long hole vertically extended is offered on the vertical edge, the vertical edge passes through the adjusting bolt in long hole
Varying height positions it is set to the lower end of corresponding stand.
Detailed description of the invention
Fig. 1 is the solid after the utility model battery module bottom plane degree detection device embodiment and battery module cooperation
Figure；
Fig. 2 is the right view of Fig. 1；
Fig. 3 is the main view of battery module bottom plane degree detection device in Fig. 1；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the top view of Fig. 3.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the battery module bottom plane degree detection device of the utility model, as shown in Figures 1 to 5.This
The testing principle of utility model: it when the heating system of battery module and liquid cooling structure is assembled together, needs to guarantee to heat
The interface of system and the bottom surface of each battery cell fit closely, and guarantee is evenly heated effect.And by battery module with plus
It is to be assembled by benchmark face of the lower end surface of end plate when hot systems are assembled together, the interface of heating system and the benchmark
It is the relationship being parallel to each other between face, therefore, the design parameter of measurement battery module bottom plane degree is each in battery module
Whether the vertical range between the bottom surface of battery cell and the datum level is within allowed band and between each battery cell
Whether vertical maximum distance is within allowed band.Above-mentioned two value is that the critical size during riding depot's battery packages are matched is wanted
It asks.
Detection device includes detection support, is spaced along the vertical direction in detection support and is equipped with horizontally-supported seat and range finder
Structure.The detection device of the present embodiment specific battery module suitable for background technique, in the battery module between two end plates
Every direction perpendicular to the arragement direction between the multiple battery cells in battery module inside.
In the present embodiment, detection support constitutes (in other embodiments, the number of stand by the stand 1 of four square arrangements
Amount can be increased and decreased according to the actual situation, and common, the quantity of stand should be no less than three), horizontally-supported seat includes fixing
It is mounted on the main part 3 of four stand top ends, through hole up and down, through hole are offered in main part 3
Inner Constitution through channel.There are two support bars 2 for protrusion installation at the top aperture of through hole it can be seen from Fig. 1.
The upper surface of two support bars 2 is used to be adapted to support cooperation with the end plate bottom surface of battery module and forms supporting surface.Define two
The direction of the relative spacing arrangement of stay 2 is left and right directions, and two support bars 2 extend along the longitudinal direction.A support wherein
One end in the front-back direction of item 2 is protruding upward to be provided in shop bolt 9(other embodiments, can be on two support bars
Shop bolt is set), shop bolt 9 is inserted into the hole for hoist of battery module end plate, is positioned to battery module 8.It is main
Inductor 7 is also equipped on body portion 3, inductor 7 can incude battery module whether is placed on support bar 2, inductor with
The control of electric cylinders mould group 5 in ranging mechanism is connected, and after inductor senses on battery module, can control electric cylinders mould group 5 and open
It is dynamic, drive laser range sensor 4 mobile according to the stroke of setting.
The sliding slot extended along the longitudinal direction is offered on two support bars 2, it is fixed to be slidably fitted on each support bar
Position part 10, the position in the front-back direction of locating piece 10 is adjustable and can fix after being adjusted in place.The specific structure of locating piece
It can be that locating piece includes the sliding pin that guiding is assemblied in sliding slot, sliding pin anticreep is mounted in sliding slot, and sliding pin is fixedly arranged above
The compression piece above support bar is extended to, on piece screw thread is compressed and is coated with screw.It, will when needing that locating piece 10 is adjusted
Screw unscrews, and locating piece 10 is stirred in front and back, after being adjusted in place, makes screw-driving compress piece and sliding pin is fixed in sliding slot, both
It realizes that the position of locating piece is adjusted, also can after adjustment lock locating piece.Certainly, in other embodiments, locating piece can be with
For other structures, for example driving cylinder is fixedly mounted on support bar or horizontally-supported seat, driving cylinder has along the longitudinal direction
Flexible output end can be matched for clamping tightly with shop bolt by extending and retracting for output end and unclamp battery module, this is defeated
Outlet constitutes locating piece.It, can be secured by the locating piece and shop bolt of guiding movement along the longitudinal direction in the utility model
Battery module is installed, and can adapt to different length, different battery cell quantity and different-thickness battery cell, realizes producing line
It is compatible.
Ranging mechanism includes the electric cylinders mould group 5 being fixedly mounted in detection support, and electric cylinders mould group 5 has can be along front and back
To the output end of reciprocating movement, laser range sensor 4, Laser Measuring are fixedly installed on the above-mentioned output end of electric cylinders mould group 5
It include spaced apart two gauge heads 41 in left and right away from sensor, when specifically used, laser range sensor emits laser upwards, swashs
Light is received after battery cell bottom reflection by laser range sensor again, carries out ranging to the bottom surface of battery cell.It is left
Two gauge heads 41 of right septum arrangement can measure the above-mentioned distance of same battery cell different parts, can judge same battery
The flatness of monomer bottom surface.And it can be to different battery lists during laser range sensor is moved forward and backward with electric cylinders mould group
Body bottom surface carries out ranging, finally obtains the flatness of the bottom surface for the battery module being made of each battery cell.In the present embodiment, electricity
The plane that cylinder mould group drives laser range sensor to move back and forth is parallel with support bar upper surface, and support bar upper surface makes
The end plate lower end surface of used time and battery module fits closely.
Positioning in order to facilitate battery module when detection is placed, and further includes leveling machine in the detection device of the utility model
Structure levels for the upper surface to support bar.Levelling mechanism includes the height adjustment machine set up separately in each stand lower end
Structure 6, by Fig. 1 and Fig. 2, it can be seen that height adjustment mechanism 6 includes the L shape support plate for being mounted on each stand lower end, L shape branch
Fagging includes vertical edge and horizontal edge, offers screw rod perforation on horizontal edge, penetrates screw rod in screw rod perforation when use and in screw rod
Upper suit fastening nut supports stand upwards, and the length being located above horizontal edge by changing screw rod can change correspondence
Stand height.The long hole extended up and down is offered on vertical edge, bolt is coated in long hole, is pacified vertical edge by bolt
Mounted in stand lower end, fixed installation had both been realized, it is adjustable to also achieve height.Certainly, in other embodiments, height is adjusted
Section mechanism can be changed according to the actual situation, and screw thread installs supporting screw such as on stand bottom surface, support spiral shell by changing
The screw-in depth of nail changes the height of corresponding stand.
The utility model use process is as follows: battery module is placed on support bar by six axis robot, place
In the process by the shop bolt on the hole for hoist alignment support bar on battery module end plate, then pass through locating piece clamping battery mould
Block.For inductor after sensing battery module, control electric cylinders mould group movement pushes laser range sensor to be moved forward and backward, to not
The bottom surface of same battery cell carries out ranging.When initial detecting, after battery module end plate is placed on support bar, need by
Laser range sensor is moved to below the end plate of battery module, ranging is carried out to the end plate bottom surface of battery module, to battery mould
The process that the end plate bottom surface of block carries out ranging only carries out after replacing laser range sensor, if not replacing laser range sensor
Or laser range sensor upper and lower position does not need to measure every time when having not been changed.Measure different battery cell bottom surfaces away from
It from rear, is compared, is calculated by software in the above-mentioned distance for analyzing each battery cell at a distance from battery module end plate bottom surface
Difference between maxima and minima.Certainly, for the battery cell of different-thickness, adjustable electric cylinders mould group single feeding
Distance.
The detection device of the utility model can not only detect the difference of the distance between different battery cell bottom surfaces, and
The flatness of single battery monomer itself can also be measured.
And to battery module bottom plane degree detection opportunity it is also particularly significant, single battery complete module assembled it
Afterwards, it before carrying out laser welding Busbar, needs to stand battery module, waits structure glue solidification, just need at this time
The bottom plane degree of battery module is detected, laser welding is carried out to qualified module, unqualified module can carry out dismantling and return
It repairs；If being detected again after carrying out laser welding to battery module, may be generated because bottom plane degree is unqualified
It scraps, loses larger.
For other battery modules, as in battery module between the relative spacing direction and each battery cell of two end plates
When arragement direction is consistent, it is only necessary to which the reciprocating movement direction arranged for interval by two supporting surfaces in horizontally-supported seat along actuator is
It can.
Laser range sensor constitutes distance measuring sensor in above-described embodiment, and detection medium is laser.In other embodiments,
Distance measuring sensor can be other forms distance measuring sensor, such as detect medium be ultrasonic wave ultrasonic distance-measuring sensor and
Detect the infrared distance sensor that medium is infrared ray.Above-mentioned actuator is the driving for driving distance measuring sensor to move back and forth
In other embodiments, horizontally-supported seat is slidably mounted in detection support for part, and actuator drives the horizontally-supported seat and thereon
Battery module move back and forth；Alternatively, not only having driven horizontally-supported seat but also having driven distance measuring sensor is opposite to move back and forth.
Claims (10)
1. a kind of battery module bottom plane degree detection device, it is characterised in that: including detection support and be set in detection support
And it is used to support the horizontally-supported seat of battery module, detection device further includes the distance measuring sensor below horizontally-supported seat,
Horizontally-supported seat, which is equipped with, to be passed through for the detection medium that distance measuring sensor issues upwards with the battery cell bottom surface to battery module
The through channel of ranging is carried out, detection device further includes for driving horizontally-supported seat and/or distance measuring sensor along each battery list
The actuator that the horizontal arrangement direction of body moves back and forth.
2. battery module bottom plane degree detection device according to claim 1, it is characterised in that: the distance measuring sensor
Including at least two for along the spaced apart gauge head of horizontal direction perpendicular to each battery cell horizontal arrangement, each gauge head to be used for
Ranging is carried out to the different location of same battery cell bottom surface.
3. battery module bottom plane degree detection device according to claim 1, it is characterised in that: the distance measuring sensor
For laser range sensor or infrared distance sensor or ultrasonic distance-measuring sensor.
4. battery module bottom plane degree detection device according to claim 1 or 2 or 3, it is characterised in that: the level
Supporting surface is equipped on support base at the upper port of the through channel, the supporting surface is for the two end plates pair with battery module
Answer that positioning support cooperates and the supporting surface is parallel to the horizontal arrangement direction of each battery cell.
5. battery module bottom plane degree detection device according to claim 4, it is characterised in that: dash forward on the supporting surface
It is provided with shop bolt out, shop bolt is used to be inserted into battery module end plate when battery module is placed on the supporting surface
Hole for hoist in be positioned to battery module.
6. battery module bottom plane degree detection device according to claim 5, it is characterised in that: on horizontally-supported seat in
Being equipped at supporting surface can be used to cooperate with shop bolt along the adjustable locating piece in arragement direction position of each battery cell, locating piece
To fix the respective end plates of battery module.
7. battery module bottom plane degree detection device according to claim 1 or 2 or 3, it is characterised in that: the driving
Part is the electric cylinders mould group in detection support, and the distance measuring sensor, the water are installed on the output end of electric cylinders mould group
The battery module inductor for controlling the electric cylinders mould group start and stop is additionally provided on flat support base.
8. battery module bottom plane degree detection device according to claim 1 or 2 or 3, it is characterised in that: detection device
It further include the levelling mechanism for being leveled to horizontally-supported seat, the detection support includes top equipped with described horizontally-supported
At least three stands of seat, levelling mechanism includes the height adjustment mechanism for being divided into each stand lower end.
9. battery module bottom plane degree detection device according to claim 8, it is characterised in that: height adjustment mechanism packet
L shape support plate is included, it further includes the horizontal edge equipped with screw rod perforation, screw rod that L shape support plate, which includes the vertical edge set on corresponding stand lower end,
Activity is coated with adjusting screw rod along the vertical direction in perforation, and the upper end of adjusting screw rod is installed with fastening nut.
10. battery module bottom plane degree detection device according to claim 9, it is characterised in that: opened on the vertical edge
Equipped with the long hole vertically extended, the vertical edge by be set to long hole in adjusting bolt varying height positions be set to pair
Answer the lower end of stand.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820679786.8U CN208296811U (en) | 2018-05-08 | 2018-05-08 | A kind of battery module bottom plane degree detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820679786.8U CN208296811U (en) | 2018-05-08 | 2018-05-08 | A kind of battery module bottom plane degree detection device |
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| CN208296811U true CN208296811U (en) | 2018-12-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608709A (en) * | 2019-09-17 | 2019-12-24 | 深圳市誉辰自动化设备有限公司 | Battery measuring device |
| CN111638230A (en) * | 2019-03-01 | 2020-09-08 | Oppo（重庆）智能科技有限公司 | Terminal lens detection method and device, electronic equipment and storage medium |
| CN111637838A (en) * | 2020-04-27 | 2020-09-08 | Oppo（重庆）智能科技有限公司 | Height difference detection method, height difference detection device, storage medium and electronic equipment |
| CN112304272A (en) * | 2019-07-23 | 2021-02-02 | 华晨宝马汽车有限公司 | Measuring apparatus and method for measuring flatness and height of battery module |
| CN113465553A (en) * | 2021-07-02 | 2021-10-01 | 泰州市金马金属制品有限公司 | Efficient stamping workpiece flatness detection device |
| CN116222481A (en) * | 2023-05-06 | 2023-06-06 | 无锡麦格威精密机械有限公司 | New energy battery envelope contour degree automatic measuring instrument |
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2018
- 2018-05-08 CN CN201820679786.8U patent/CN208296811U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111638230A (en) * | 2019-03-01 | 2020-09-08 | Oppo（重庆）智能科技有限公司 | Terminal lens detection method and device, electronic equipment and storage medium |
| CN112304272A (en) * | 2019-07-23 | 2021-02-02 | 华晨宝马汽车有限公司 | Measuring apparatus and method for measuring flatness and height of battery module |
| CN112304272B (en) * | 2019-07-23 | 2022-05-24 | 华晨宝马汽车有限公司 | Measuring apparatus and method for measuring flatness and height of battery module |
| CN110608709A (en) * | 2019-09-17 | 2019-12-24 | 深圳市誉辰自动化设备有限公司 | Battery measuring device |
| CN111637838A (en) * | 2020-04-27 | 2020-09-08 | Oppo（重庆）智能科技有限公司 | Height difference detection method, height difference detection device, storage medium and electronic equipment |
| CN113465553A (en) * | 2021-07-02 | 2021-10-01 | 泰州市金马金属制品有限公司 | Efficient stamping workpiece flatness detection device |
| CN113465553B (en) * | 2021-07-02 | 2022-01-21 | 泰州市金马金属制品有限公司 | Efficient stamping workpiece flatness detection device |
| CN116222481A (en) * | 2023-05-06 | 2023-06-06 | 无锡麦格威精密机械有限公司 | New energy battery envelope contour degree automatic measuring instrument |
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