CN209470684U - Power battery measuring thickness device - Google Patents

Power battery measuring thickness device Download PDF

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Publication number
CN209470684U
CN209470684U CN201822245222.6U CN201822245222U CN209470684U CN 209470684 U CN209470684 U CN 209470684U CN 201822245222 U CN201822245222 U CN 201822245222U CN 209470684 U CN209470684 U CN 209470684U
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China
Prior art keywords
power battery
pressure
thickness
measuring
power
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Active
Application number
CN201822245222.6U
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Chinese (zh)
Inventor
陈晓龙
杨建辉
刘帅
霍记彬
孙光伟
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Svolt Energy Technology Co Ltd
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Svolt Energy Technology Co Ltd
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Abstract

The utility model provides a kind of power battery measuring thickness device, including rack, test platform, pressure applying mechanism and the thickness measure mechanism being set in rack.Test platform is equipped with the positioning clamp unit clamped to power battery positioning in rack to carry power battery;Pressure applying mechanism includes power device and the pressure applying unit that can go up and down above power battery;It is equipped with pressure-detecting device in pressure applying unit, pressure-detecting device can detect pressure applying unit is in the pressure applied on power battery;Thickness measure mechanism includes to less than the displacement measuring device being arranged in the pressure applying unit, and each institute's displacement measurement device is configured to the thickness of the power battery after measurement is pressurized.The power battery measuring thickness device of the utility model can apply determining pressure to the external of power battery to be measured, and can realize the Thickness sensitivity to power battery in the case where determining external pressure by thickness measure mechanism.

Description

Power battery measuring thickness device
Technical field
The utility model relates to battery detecting technical field, in particular to a kind of power battery measuring thickness device.
Background technique
With flourishing for new energy market, power battery has been widely applied to automotive field, safety issue Also it is increasingly valued by the people, market and technological layer propose more harsh requirement to the safety of power battery.? In the detection of power battery safety, the thickness test of battery is important a safety and product performance index.Pass through detection The variation of cell thickness is especially located in battery pack in battery, under the operating condition for bearing certain external pressure, checks the thickness of battery Degree variation, further analyzes the change in shape of inside battery battery core, significant to the research for promoting battery safety.
Existing cell thickness measurement method is essentially all using calliper to measure, since cell thickness face is by various factors It influences and therefore nonplanar structure when using calliper to measure, needs repeated measurement more just and can be measured the maximum thickness of battery Degree, it is extremely inconvenient.The result measured so simultaneously is influenced by equipment and personnel's test mode, and error is larger.Some cell thickness Detection device, by pedestal, test block, calliper is constituted, can be used for the Inspection of Thickness of various cell production process.But the utility model It is more demanding to the surface appearance of battery, because cell thickness deformation caused by battery surface not usually, the thickness measure knot of battery The case where large error will be present in fruit, can not reflect the distribution of battery surface difference in thickness.Meanwhile this scheme cannot basis The thickness of battery applies certain pressure to the external analog of battery, to measure the thickness change situation under battery pressure-bearing, it is difficult to Module is produced and is researched and developed in groups offer accurately and effectively data.
Utility model content
In view of this, the utility model is directed to a kind of power battery measuring thickness device, to realize power battery certain Detection under external pressure, to deformation situation on its thickness.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of power battery measuring thickness device, comprising:
Rack;
Test platform is fixedly installed relative to the rack, to carry power battery, and is equipped in the rack with structure The positioning clamp unit that the power battery positioning that the pairs of test platform is carried clamps;
Pressure applying mechanism is set in the rack, and the pressure applying mechanism includes power device, and is moved with described Power output end drive connection, the pressure applying unit can be gone up and down above the power battery of power device;In the pressure Power applying unit is equipped with pressure-detecting device, and the pressure-detecting device is configured to detect the pressure applying unit in institute State the pressure applied on power battery;
Thickness measure mechanism, including at least one set of thickness measuring unit, each thickness measuring unit includes being placed in Upper displacement measuring device and the next measuring system in the pressure applying unit and on the test platform, the upper displacement Measuring device and the next measuring system are configured to respectively constitute at the top of the power battery and opposite position of bottom The measurement of shifting.
Further, the positioning clamp unit includes being fixedly arranged on the test platform and being located at the power battery The positioning region of side, and the clamping section set on another opposite side of the power battery;The clamping section includes straight line power dress It sets, and is drivingly connected, with the power output end of the straight-line power device can be constituted with the positioning region to the power The gripping block that battery clamps.
Further, the straight-line power device is made of straight trip stroke cylinder.
Further, the pressure applying unit includes the upper fixation being connected with the power output end of the power device Plate, and slide, in being oriented on fixed plate stressed pressure unit, the pressure detecting dress can be applied to power battery It is arranged between fixed plate and the pressure unit.
Further, there is a fixed plate sliding guide in fixed plate structure, and in being configured with set in the pressure unit Set on the pilot hole of the fixed plate sliding guide, to constitute the pressure unit in the guiding sliding on fixed plate.
Further, the fixed lifting sliding rail for being parallel to pressure applying unit lifting direction in Yu Suoshu rack, And in being installed with sliding block compatible with the lifting sliding rail in the pressure unit.
Further, the pressure unit includes bottom plate, lifter plate and pressing plate, and the pressure unit passes through the lifting Plate and lifting sliding rail sliding are arranged;Above the lifter plate be slidably connected with the fixed plate sliding guide it is described under Fixed plate is connected, and lower section and the pressing plate are connected.
Further, pressing plate fixed link is equipped between the lifter plate and the pressing plate, in the lifter plate and described The space for installing the thickness measure mechanism is formed between pressing plate.
Further, the thickness measuring unit is nine groups, and nine groups of the thickness measuring unit is evenly arranged on described move The surface of power battery.
Further, the upper displacement measuring device and the next measuring system are made of displacement sensor.
Compared with the existing technology, the utility model has the advantage that
(1) power battery measuring thickness device described in the utility model, passes through the cooperation of test platform and pressure applying mechanism Setting can apply determining pressure to the external of power battery to be measured, and can be realized by thickness measure mechanism to power battery Thickness sensitivity in the case where determining external pressure.
(2) by setting positioning region, convenient for the positioning to power battery to be measured on test platform, and then it is arranged and clamps Portion forms the clamping to power battery, ensure that the fixation of power battery in compression detection process, to make to detect safer With it is accurate.
(3) using straight trip stroke cylinder, suitable for the performance requirement of the power battery measuring thickness device, and convenient for outfit and technology Implement.
(4) sliding up and down using fixed plate sliding guide, it is ensured that the stress between upper mounted plate and bottom plate passes Pass that direction is consistent with the thickness direction of power battery, so that the pressure pressure detecting to power battery is more accurate.
(5) using lifting sliding rail realization limitation is slided up and down to pressure applying unit, it is therefore prevented that pressure applying unit in Possible offset in horizontal direction, to cause the error of measurement.
(6) pressing plate is set with having certain space below lifter plate, convenient for setting of the thickness measure mechanism on pressing plate.
(7) all displacement sensor is set above and below power battery, it can be achieved that thickness under to battery artesian condition Comprehensive measurement of variation.
(8) position is corresponding is arranged in groups upper and lower displacement sensor, realizes to specified location power battery thickness Measurement.
(9) multiple groups displacement sensor is set in uniform way, and the multi-group data of acquisition can construct power battery under pressure-bearing The three-dimensional deformation situation of integral thickness.
Detailed description of the invention
The attached drawing for constituting a part of the utility model, is to be used to provide a further understanding of the present invention, this reality It is front and back, the upper inferior orientation being directed to for explaining the utility model with novel illustrative embodiments and their description Word is only used for indicating opposite positional relationship, does not constitute improper limits to the present invention.In the accompanying drawings:
Fig. 1 is that power battery measuring thickness device described in the utility model embodiment is located at the stereoscopic schematic diagram in rack;
Fig. 2 is the structural schematic diagram of power battery measuring thickness device described in the utility model embodiment;
Description of symbols:
1- rack, 101- framework soleplate, 102- test platform, 103- paralell, 104- lateral frame plate, 105- rear frame Plate, 106- top plate, 107- gripping block, 108- clamping cylinder, the clamping section 109- bracket, 110- lifting sliding rail, the positioning region 1021-;
2- pressure applying unit, 201- actuating cylinder, 202- cylinder output, 203- upper mounted plate, 204- bottom plate, 205- fixed plate sliding guide, 206- lifter plate, 207- pressing plate, 208- pressing plate fixed link, 209- pressure-detecting device;
3- displacement measuring device, the upper displacement sensor of 301-, the bottom 302- displacement sensor, 4- power battery.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other;Described embodiment is also only part, and not all embodiment.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is to be pointed out that power battery measuring thickness device described in the utility model, the purport of invention thought is, described Power battery measuring thickness device includes organic frame 1 and test platform 102, pressure applying mechanism and thickness measure in rack 1 Mechanism.Test platform 102 is equipped with carrying power battery 4 in the rack 1 to constitute to 102 institute of test platform The positioning clamp unit that the positioning of the power battery 4 of carrying clamps;The pressure applying mechanism includes power device, Yi Jiyu Power output end drive connection, the pressure applying unit 2 can be gone up and down above the power battery 4 of the power device; It is equipped with pressure-detecting device 209 in the pressure applying unit 2, the pressure-detecting device 209 is configured to described in detection Pressure applying unit 2 is in the pressure applied on the power battery 4;Thickness measure mechanism includes single to applying less than the pressure The displacement measuring device 3 being arranged in member 2, each institute's displacement measurement device 3 are configured to the power battery 4 after measurement is pressurized Thickness.
Embodiment shown by the utility model is the more preferred skill that provides based on above-mentioned overall invention thinking Art embodiment, to realize detection of the power battery under determining external pressure, to deformation situation on its thickness.
Embodiment
As shown in Figure 1, the power battery measuring thickness device of the present embodiment is set in rack 1.Include test platform 102, Pressure applying mechanism and thickness measure mechanism.
Test platform 102 is fixedly installed relative to the rack 1, to carry power battery 4, and sets in the rack 1 Have to constitute the positioning clamp unit that the positioning of the power battery 4 carried to the test platform 102 clamps.The present embodiment In, as shown in Fig. 2, rack includes framework soleplate 101, lateral frame plate 104, rear frame plate 105 and top plate 106, described 102 is logical Paralell 103 is crossed to be fixedly installed on bottom plate 101.Obviously, the test platform 102 should have can include power battery 4 completely Lower surface size, and end face be flat and smooth surface, to ensure the entire lower surface pressure-bearing to power battery 4, and keep away The damage on 4 surface of power battery caused by exempting from.
As shown in Fig. 2, in the present embodiment, the positioning clamp unit includes being fixedly arranged on test platform 102 and position In the positioning region 1021 of 4 side of power battery, and set on the clamping section of another opposite side of the power battery 4.The clamping Portion includes straight-line power device, and is drivingly connected with the power output end of the straight-line power device, with can be with the positioning Portion 1021 constitutes the gripping block 107 clamped to the power battery 4.Preferably, the straight-line power device uses Direct Travel gas Cylinder is used as clamping cylinder 108, and the clamping cylinder 108 is fixedly installed in the rack 1 by clamping section bracket 109.
By the way that positioning region 1021 is arranged, convenient for the positioning to power battery 4 to be measured on test platform 102, and then it is arranged Clamping section forms the clamping to power battery 4, ensure that the fixation of power battery 4 in compression detection process, to make to detect It is safer and accurate.And straight trip stroke cylinder is used, suitable for the performance requirement of the power battery measuring thickness device, and convenient for being equipped with Implement with technology.
The embodiment of the present invention pressure applying mechanism is set in the rack 1, and pressure applying mechanism includes being fixedly installed in Power device on top plate 106, and the pressure applying unit 2 with the power output end drive connection of the power device, pressure Power applying unit 2 can be gone up and down above the power battery 4.Pressure-detecting device is equipped in the pressure applying unit 2 209, the pressure-detecting device 209 is configured to detect the pressure applying unit 2 in the pressure applied on the power battery 4 Power.Preferably, the power device uses the actuating cylinder 201 of Direct Travel, is consolidated by the cylinder output 202 of actuating cylinder 201 Even fixed plate 203.
Concretely, the pressure applying unit 2 has lifter plate 206, and the lifter plate 206 can slide up and down to setting In on the lifting sliding rail 110 of rear frame plate 105 for being fixedly mounted on the rack 1;The pressure-detecting device 209 is set to institute It states between lifter plate 206 and the power device, constitutes the power connection between the lifter plate 206 and the power device.It adopts Limitation is slided up and down to pressure applying unit 2 with the realization of lifting sliding rail 110, it is therefore prevented that pressure applying unit 2 is in horizontal direction Upper possible offset, to cause the error of measurement.
The pressure-detecting device 209 is set to the top of lifter plate 206, is pressed from both sides by upper mounted plate 203 and bottom plate 204 It holds, has vertically been uniformly arranged connection 203 He of upper mounted plate in the corner of fixed plate 203 and the bottom plate 204 The fixed plate sliding guide 205 of bottom plate 204.Preferably, upper mounted plate 203 and lower solid is arranged in fixed plate sliding guide 205 On four angles of fixed board 204, shift sleeve structure can be freely slided up and down for upper and lower part, top is fixed on upper mounted plate 203, Lower part is fixed on bottom plate 204.Using sliding up and down for fixed plate sliding guide 205, it is ensured that 203 He of upper mounted plate It is consistent with the thickness direction of power battery 4 by power transmitting between bottom plate 204, so as to the pressure of power battery 4 Pressure detecting is more accurate.
In the quadrangle of the lifter plate 206, it is fixed with pressing plate fixed link 208, the pressing plate fixed link 208 with extending downwardly The pressing plate 207 that is connected to the upper surface of the power battery 4 pressure of lower end.Obviously, the pressing plate 207 should have and can cover completely The size of the upper surface of lid power battery 4, and lower end surface is flat and smooth surface, to ensure the whole table to power battery 4 Face pressure, and the damage on 4 surface of power battery avoided.Pressing plate is set with having certain space in the lower section of lifter plate 206 207, convenient for setting of the thickness measure mechanism on pressing plate 207.
In the present embodiment, the thickness measure mechanism includes the upper displacement sensor 301 being set on pressing plate 207 and sets The next displacement sensor 302 being placed on the test platform 102.The upper displacement sensor 301 and the next displacement sensor 302 are accordingly arranged in pairs for upper and lower position, and each pair of upper displacement sensor 301 and the next displacement sensor 302 are constituted One group, to form the thickness measure that the power battery 4 is arranged on position in one.Preferably, Yu Suoshu power battery 4 On the pressing plate 207 of surface and on the test platform 102 of the underface of the power battery 4, it is provided with 9 in uniform way The group upper displacement sensor 301 and the next displacement sensor 302.Such design is realized to thickness under battery artesian condition Comprehensive measurement of situation of change, can obtain multi-group data, and then construct the solid figure of the integral thickness of power battery 4 under pressure-bearing Become situation.
To realize monitoring record and the processing to detection data well, and convenient for the control to power device, this reality It applies in example, the power battery measuring thickness device can configure industrial personal computer, and realizes to actuating cylinder 201 by industrial personal computer and clamp gas The control of cylinder 108, and the industrial personal computer is electrically connected to the pressure-detecting device 209 and the thickness measure mechanism, to realize Measurement data acquisition, record and processing.
When carrying out thickness check to power battery 4, power battery 4 is placed on test platform 102 first, and leads to Cross the positioning of positioning region 1021.In turn, the movement of control clamping cylinder 108 clamps power battery 4.
The pressure value that pressure-detecting device 209 detects when not yet pressing to power battery 4 is calibrated to 0, later, setting pair The pressure that power battery 4 applies, by the movement of control actuating cylinder 201 and real-time monitoring is to the supply gas pressure of actuating cylinder 201, When upper surface of the pressing plate 207 to power battery 4 presses, the pressure value that pressure-detecting device 209 detects is to power electric The pressure value of the pressure in pond 4 stops the regulation to actuating cylinder 201 when the pressure value reaches setting.
Displacement sensor 301 and the next displacement sensor 302 are arranged at the logical of pressing plate 207 and test platform 102 on 9 groups In hole, when the pressure reaches the set-point, the movement of control thickness measure mechanism is corresponding to control gas circuit conducting, upper displacement sensor 301 probe is leant out downwards, and the probe of the next displacement sensor 302 is leant out upwards, contradicts the surface for arriving power battery 4, is surveyed Obtain thickness value of the power battery 4 on 9 positions.
It is detected first it should be noted that standard sample power battery 4 can be used, the thickness value of acquisition is demarcated as Standard value carries out thickness measuring to power battery 4 to be measured later, according to the difference meter of the power battery to be measured 4 of acquisition and standard sample Calculate the thickness shape data for obtaining power battery 4 to be measured.A position can also be added between pressing plate 207 and test platform 102 Displacement sensor, the thickness in thickness measuring, between the displacement sensor 207 lower surface of pressing plate measured and 102 upper surface of test platform Angle value is the highest thickness of power battery 4 to be measured, using highest thickness value as basic point;Meanwhile 301 He of displacement sensor in calibration Measure thickness value of the next displacement sensor 302 when 207 are bonded with 102 surfaces is 0.When carrying out the thickness measuring of power battery 4, root It can be calculated according to the basic point value of highest thickness in conjunction with the measured value of upper displacement sensor 301 and the next displacement sensor 302 Thickness of the power battery 4 in each group on 302 position of displacement sensor 301 and the next displacement sensor, and then obtain to be measured The conceptual data of the thickness shape of power battery 4.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than limitation ot it;It is all Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention Within the scope of shield.

Claims (10)

1. a kind of power battery measuring thickness device, characterized by comprising:
Rack (1);
Test platform (102) is fixedly installed, to carry power battery (4), and in the rack (1) relative to the rack (1) It is equipped with to constitute the positioning clamp unit that the power battery (4) positioning carried to the test platform (102) clamps;
Pressure applying mechanism is set on the rack (1), and the pressure applying mechanism includes power device, and is moved with described Power output end drive connection, the pressure applying unit (2) can be gone up and down above the power battery (4) of power device;In The pressure applying unit (2) is equipped with pressure-detecting device (209), and the pressure-detecting device (209) is configured to detect The pressure applied on pressure applying unit (2) the Yu Suoshu power battery (4);
Thickness measure mechanism, including at least one set of thickness measuring unit, each thickness measuring unit is described including being placed in Upper displacement measuring device (301) and the next measuring system in pressure applying unit (2) and on the test platform (102) (302), the upper displacement measuring device (301) and the next measuring system (302) are configured to respectively constitute to described The measurement of the relative displacement at power battery (4) top and bottom.
2. power battery measuring thickness device according to claim 1, it is characterised in that: the positioning clamp unit includes fixed In the positioning region (1021) on the test platform (102) and positioned at the power battery (4) side, and it is set to described dynamic The clamping section of power battery (4) another opposite side;The clamping section includes straight-line power device, and with the straight-line power device Power output end be drivingly connected, with can be constituted with the positioning region (1021) to the power battery (4) clamping gripping block (107)。
3. power battery measuring thickness device according to claim 2, it is characterised in that: the straight-line power device is by Direct Travel Cylinder is constituted.
4. power battery measuring thickness device according to claim 1, it is characterised in that: the pressure applying unit (2) includes The connected upper mounted plate (203) with the power output end of the power device, and slided in being oriented on fixed plate (203) It moves, can power battery (4) be applied with stressed pressure unit, the pressure-detecting device (209) is set to fixed plate (203) between the pressure unit.
5. power battery measuring thickness device according to claim 4, it is characterised in that: constructed in fixed plate (203) Have fixed plate sliding guide (205), and is sheathed on leading for fixed plate sliding guide (205) in being configured in the pressure unit Xiang Kong, to constitute the pressure unit in the guiding sliding on fixed plate (203).
6. power battery measuring thickness device according to claim 5, it is characterised in that: be installed in Yu Suoshu rack (1) flat Row is in the lifting sliding rail (110) in the pressure applying unit (2) lifting direction, and in being installed in the pressure unit and the liter Sliding rail (110) compatible sliding block drops.
7. power battery measuring thickness device according to claim 6, it is characterised in that: the pressure unit includes bottom plate (204), lifter plate (206) and pressing plate (207), the pressure unit pass through the lifter plate (206) and the lifting sliding rail (110) Sliding setting;Bottom plate lifter plate (206) top and be slidably connected with the fixed plate sliding guide (205) (204) it is connected, lower section and the pressing plate (207) are connected.
8. power battery measuring thickness device according to claim 7, it is characterised in that: the lifter plate (206) and the pressure Pressing plate fixed link (208) are equipped between plate (207), are used for being formed between the lifter plate (206) and the pressing plate (207) The space of the thickness measure mechanism is installed.
9. power battery measuring thickness device according to claim 8, it is characterised in that: the thickness measuring unit is nine groups, And nine groups of the thickness measuring unit is evenly arranged on the surface of the power battery.
10. power battery measuring thickness device according to claim 9, it is characterised in that: the upper displacement measuring device (301) And the next measuring system (302) is made of displacement sensor.
CN201822245222.6U 2018-12-28 2018-12-28 Power battery measuring thickness device Active CN209470684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822245222.6U CN209470684U (en) 2018-12-28 2018-12-28 Power battery measuring thickness device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822245222.6U CN209470684U (en) 2018-12-28 2018-12-28 Power battery measuring thickness device

Publications (1)

Publication Number Publication Date
CN209470684U true CN209470684U (en) 2019-10-08

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Application Number Title Priority Date Filing Date
CN201822245222.6U Active CN209470684U (en) 2018-12-28 2018-12-28 Power battery measuring thickness device

Country Status (1)

Country Link
CN (1) CN209470684U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112665548A (en) * 2020-12-14 2021-04-16 天津市捷威动力工业有限公司 Method for quantitatively determining flatness of battery core

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112665548A (en) * 2020-12-14 2021-04-16 天津市捷威动力工业有限公司 Method for quantitatively determining flatness of battery core
CN112665548B (en) * 2020-12-14 2022-05-10 天津市捷威动力工业有限公司 Method for quantitatively determining flatness of battery core

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