CN211043616U - Battery expansion force and displacement measuring equipment - Google Patents
Battery expansion force and displacement measuring equipment Download PDFInfo
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- CN211043616U CN211043616U CN201921997733.1U CN201921997733U CN211043616U CN 211043616 U CN211043616 U CN 211043616U CN 201921997733 U CN201921997733 U CN 201921997733U CN 211043616 U CN211043616 U CN 211043616U
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- expansion force
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 31
- 230000001360 synchronised effect Effects 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 230000001012 protector Effects 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a battery expansive force and displacement measuring equipment, comprises a workbench, the inside of workstation is provided with drive arrangement, the top of workstation is provided with transmission, the top of workstation is provided with detection device, the top of workstation is provided with the pressure disk, fixed mounting has protector between the pressure disk, the inside of pressure disk is provided with battery utmost point ear clip, drive arrangement includes motor, synchronous cog-wheel and synchronous cog-belt, synchronous cog-wheel rotates through synchronous cog-belt and motor output shaft and is connected, synchronous cog-wheel fixed mounting is in one end of transmission; the utility model discloses, through set up stand, ball and electrode clamp in battery expansibility and displacement measurement equipment, optimized traditional measuring equipment structure, through direction precision, transmission efficiency, positioning accuracy and the measuring accuracy of reinforcing equipment and improvement anchor clamps and battery tab area of contact, make measured data more accurate, the measuring effect is better.
Description
Technical Field
The utility model relates to a battery expansibility and displacement measurement equipment technical field specifically are a battery expansibility and displacement measurement equipment.
Background
The battery is likely to take place deformation at the charge-discharge in-process, and the deformation problem can lead to the fact great influence to lithium ion battery's safety problem, and also can influence the cycle life of electric core, measuring equipment need be used in battery expansibility and the deformation displacement detection process, measuring equipment's direction precision, transmission efficiency, positioning accuracy and measuring accuracy are not enough and anchor clamps and battery tab contact failure all can make measured data take place the deviation, during the measurement, there is the unexpected condition of exploding of burning in the battery, higher harm has, a battery expansibility and displacement measurement equipment now provides, in order to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery expansion force and displacement measurement equipment, in order to solve the problem that the measurement data can deviate due to insufficient guiding precision, transmission efficiency, positioning precision and testing precision of the measurement equipment and poor contact between a clamp and a battery tab in the battery expansion force and displacement measurement process proposed in the background technology; during measurement, the battery has the accidental explosion condition and has higher harm.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a battery expansibility and displacement measurement equipment, includes the workstation, the inside of workstation is provided with drive arrangement, the top of workstation is provided with transmission, the top of workstation is provided with detection device, the top of workstation is provided with the pressure disk, fixed mounting has protector between the pressure disk, the inside of pressure disk is provided with the electrode holder.
Preferably, the driving device comprises a motor, a synchronous cog wheel and a synchronous cog belt, the synchronous cog wheel is rotatably connected with an output shaft of the motor through the synchronous cog belt, and the synchronous cog wheel is fixedly installed at one end of the transmission device.
Preferably, the transmission device comprises a ball screw, a movable cross beam and an upright post, the movable cross beam is rotatably connected with the ball screw through a nut, the movable cross beam is slidably connected with the upright post through a guide sleeve, the synchronous toothed wheel is fixedly arranged on the side wall of the lower end of the ball screw, an upper cross beam is fixedly arranged above the upright post, and the upright post is fixedly arranged on one side above the workbench.
Preferably, the detection device comprises a displacement sensor and a pressure sensor, the displacement sensor is fixedly mounted above one end of the upper cross beam, and the pressure sensor is fixedly mounted at the bottom of the movable cross beam.
Preferably, the pressure plate comprises an upper pressure plate and a lower pressure plate, the upper pressure plate is fixedly arranged at the bottom of the pressure sensor, and the lower pressure plate is fixedly arranged above the workbench.
Preferably, the protection device comprises upper explosion-proof glass and lower explosion-proof glass, the upper explosion-proof glass is fixedly installed at the bottom of the upper pressure plate, and the lower explosion-proof glass is fixedly installed above the lower pressure plate.
Preferably, the inside of the battery tab clip is elastically connected with a channel wire.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, through set up the stand in battery expansibility and displacement measurement equipment, ball and battery utmost point ear clamp, the stand structure is the direction of oil-free lubrication bearing, the rigidity of equipment direction precision and complete machine has been improved, ball is two screw drive, it is high to have transmission efficiency, positioning accuracy is high, the high characteristic of measuring accuracy, be provided with the passageway line in the battery utmost point ear clamp, be convenient for carry out the charge-discharge simulation to the battery, the area of contact of battery utmost point ear clamp and battery utmost point ear has been enlarged, battery utmost point ear clamp adopts the noble metal cladding material, electrically conductive effect is better, traditional measuring equipment structure has been optimized in this design, direction precision through the reinforcing equipment, transmission efficiency, positioning accuracy and measuring accuracy and improvement anchor clamps and battery utmost point ear area of contact, make measured data more accurate, measuring effect is better.
2. The utility model discloses, through setting up protector around placing the battery pressure disk, keep apart the battery, the problem that the accident that exists when having avoided the battery to receive the pressure explodes and splits has improved the security performance of equipment, has ensured measuring staff's personal safety, has less equipment simultaneously because of the impaired risk of battery explodes and splits.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the structure schematic diagram of the pressure plate and the battery tab clamp of the utility model.
In the figure: 1. a work table; 2. a drive device; 21. a motor; 22. a synchronous toothed wheel; 23. a synchronous toothed belt; 3. a transmission device; 31. a ball screw; 32. moving the beam; 33. a column; 4. a detection device; 41. a pressure sensor; 42. a displacement sensor; 5. a platen; 51. an upper platen; 52. a lower platen; 6. a guard; 61. mounting explosion-proof glass; 62. lower explosion-proof glass; 7. a battery tab clip; 71. a channel line; 8. an upper cross beam; 9. an appliance board; 10. a dust cover; 11. and adjusting the ground feet.
Detailed Description
The problem that in the process of measuring the expansion force and the displacement of the battery, the guide precision, the transmission efficiency, the positioning precision and the test precision of measuring equipment are insufficient, and the measured data can deviate due to poor contact between a clamp and a battery tab is solved; during the measurement, there is the unexpected condition of exploding to split in the battery, has the problem of higher harm, the embodiment of the utility model provides a battery expansibility and displacement measurement equipment. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present embodiment provides a battery expansive force and displacement measuring device, which includes a workbench 1, a driving device 2 is disposed inside the workbench 1, a transmission device 3 is disposed above the workbench 1, a detection device 4 is disposed above the workbench 1, a pressure plate 5 is disposed above the workbench 1, a protection device 6 is fixedly mounted between the pressure plates 5, and a battery tab clamp 7 is disposed inside the pressure plate 5. Preferably, an electric appliance board 9 is installed at the bottom of the inner cavity of the workbench 1, an electric appliance control system is installed on the electric appliance board 9, a dustproof cover 10 for preventing dust inside the transmission device 3 is fixedly installed above the workbench 1, an adjusting foot 11 is installed at the bottom of the workbench 1, and one end of the battery pole lug clamp 7 is connected with a channel wire.
In this design, place special battery in pressure disk 5, on 7 centre grippings of battery utmost point ear clamp to the battery utmost point ear, the start power supply, drive arrangement 2 drives pressure disk 5 through transmission 3 and slowly presses to the battery, make the battery compressive deformation, detection device 4 detects out battery deflection and battery atress this moment respectively, detection device 4 transmits into microprocessor with the testing data and carries out data processing, in the test process, the battery can take place deformation along with charge-discharge, this moment, the bulging force all can change with the size, through data acquisition analysis test data, be the change of equipment automatically regulated power and displacement. The test is continued for a period of time until the end of the test. Wherein, the protection device 6 is convenient for preventing the secondary harm caused by the accident of the battery. The battery pole lug clamp 7 is convenient for clamping a battery pole lug, the battery is conveniently charged and discharged, and the expansion force in the charging and discharging process of the battery is more accurately detected.
Example 2
Referring to fig. 1-2, a further improvement is made on the basis of embodiment 1: the driving device 2 comprises a motor 21, a synchronous cog wheel 22 and a synchronous cog belt 23, the synchronous cog wheel 22 is rotatably connected with an output shaft of the motor 21 through the synchronous cog belt 23, and the synchronous cog wheel 22 is fixedly arranged at one end of the transmission device 3.
When the motor 21 is started, the motor 21 drives the synchronous cog 22 to rotate through the synchronous cog belt 23, so that the synchronous cog 22 drives the transmission device 3 to rotate.
The transmission device 3 comprises a ball screw 31, a movable cross beam 32 and upright columns 33, the movable cross beam 32 is rotatably connected with the ball screw 31 through nuts, the movable cross beam 32 is slidably connected with the upright columns 33 through guide sleeves, the synchronous toothed wheels 22 are fixedly arranged on the side wall of the lower end of the ball screw 31, the upper cross beam 8 is fixedly arranged above the upright columns 33, preferably, the number of the upright columns 33 is four, the four upright columns 33 are all slidably connected with the movable cross beam 32 through the guide sleeves, and the ball screw 31 is rotatably connected inside the workbench 1 through bearings.
The synchronous toothed wheel 22 is fixedly mounted on the side wall of the lower end of the ball screw 31, when the synchronous toothed wheel 22 rotates, the ball screw 31 is driven to rotate, the ball screw 31 drives the movable cross beam 32 to move downwards through a nut, and the upright column 33 plays a limiting role in limiting the movable cross beam 32, so that the movable cross beam 32 can conveniently slide up and down on the side surface of the upright column 33.
The detecting device 4 comprises a displacement sensor 42 and a pressure sensor 41, wherein the displacement sensor 42 is fixedly arranged above one end of the upper cross beam 8, and the pressure sensor 41 is fixedly arranged at the bottom of the movable cross beam 32.
The displacement sensor 42 is used for detecting the deformation of the battery, the tested sample is stressed, the force is transmitted to the pressure sensor 41, and the pressure sensor 41 transmits data into the microcomputer processor after detecting the force, so that the data processing is facilitated.
The pressure plate 5 comprises an upper pressure plate 51 and a lower pressure plate 52, the upper pressure plate 51 is fixedly arranged at the bottom of the tension-compression sensor 42, and the lower pressure plate 52 is fixedly arranged above the workbench 1. Preferably, the platen 5 is an inorganic non-metallic material.
The special battery is placed at the bottom of the inner side of the lower pressure plate 52, the movable beam 32 moves downwards, and the upper pressure plate 51 is driven by the pressure sensor 41 to move downwards, so that the upper pressure plate 51 can press the battery downwards conveniently, and the pressure sensor 41 can detect the deformation of the battery.
The protection device 6 comprises an upper explosion-proof glass 61 and a lower explosion-proof glass 62, the upper explosion-proof glass 61 is fixedly arranged at the bottom of the upper pressure plate 51, the lower explosion-proof glass 62 is fixedly arranged above the lower pressure plate 52, preferably, the side wall of the lower explosion-proof glass 62 is provided with a slotted hole for a lead to pass through, and the side wall of the upper explosion-proof glass 61 is provided with a groove matched with the slotted hole.
When the upper pressure plate 51 moves downwards and is about to press the battery, the inner side wall of the upper explosion-proof glass 61 is just attached to the outer side wall of the lower explosion-proof glass 62, so that the battery is conveniently isolated, and the damage caused by accidental explosion of the battery is prevented.
The inside of the battery tab clip 7 is elastically connected with a passage wire 71.
The channel line 71 is located at the clamping opening of the battery pole ear clamp 7, and when the battery pole ear clamp 7 clamps a battery pole ear, the channel line 71 covers the surface of the battery pole ear, so that the contact area between the battery pole ear clamp 7 and the battery pole ear is larger, and the conductive effect of the battery pole ear clamp 7 is better.
In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A battery expansion force and displacement measuring device, comprising a workbench (1), characterized in that: the inside of workstation (1) is provided with drive arrangement (2), the top of workstation (1) is provided with transmission (3), the top of workstation (1) is provided with detection device (4), the top of workstation (1) is provided with pressure disk (5), fixed mounting has protector (6) between pressure disk (5), the inside of pressure disk (5) is provided with battery utmost point ear clamp (7).
2. A battery expansion force and displacement measurement device according to claim 1, wherein: the driving device (2) comprises a motor (21), a synchronous toothed wheel (22) and a synchronous toothed belt (23), the synchronous toothed wheel (22) is in rotating connection with an output shaft of the motor (21) through the synchronous toothed belt (23), and the synchronous toothed wheel (22) is fixedly installed at one end of the transmission device (3).
3. A battery expansion force and displacement measurement device according to claim 2, wherein: transmission (3) include ball (31), walking beam (32) and stand (33), walking beam (32) rotate with ball (31) through the nut and are connected, walking beam (32) are through guide pin bushing and stand (33) sliding connection, synchronous serrated wheel (22) fixed mounting is at the lower extreme lateral wall of ball (31), the top fixed mounting of stand (33) has entablature (8), stand (33) fixed mounting is in workstation (1) top one side.
4. A battery expansion force and displacement measurement device according to claim 3, wherein: the detection device (4) comprises a displacement sensor (42) and a pressure sensor (41), the displacement sensor (42) is fixedly installed above one end of the upper cross beam (8), and the pressure sensor (41) is fixedly installed at the bottom of the movable cross beam (32).
5. A battery expansion force and displacement measurement device according to claim 4, wherein: the pressure plate (5) comprises an upper pressure plate (51) and a lower pressure plate (52), the upper pressure plate (51) is fixedly arranged at the bottom of the pressure sensor (41), and the lower pressure plate (52) is fixedly arranged above the workbench (1).
6. A battery expansion force and displacement measurement device according to claim 5, wherein: the protection device (6) comprises upper explosion-proof glass (61) and lower explosion-proof glass (62), the upper explosion-proof glass (61) is fixedly installed at the bottom of the upper pressure plate (51), and the lower explosion-proof glass (62) is fixedly installed above the lower pressure plate (52).
7. A battery expansion force and displacement measurement device according to claim 5, wherein: the interior of the battery pole ear clip (7) is elastically connected with a channel wire (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997733.1U CN211043616U (en) | 2019-11-19 | 2019-11-19 | Battery expansion force and displacement measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997733.1U CN211043616U (en) | 2019-11-19 | 2019-11-19 | Battery expansion force and displacement measuring equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211043616U true CN211043616U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921997733.1U Active CN211043616U (en) | 2019-11-19 | 2019-11-19 | Battery expansion force and displacement measuring equipment |
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| CN (1) | CN211043616U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557206A (en) * | 2020-12-23 | 2021-03-26 | 无锡市金杨新材料股份有限公司 | Explosion-proof testing arrangement of battery aluminum hull |
| CN113937375A (en) * | 2021-10-12 | 2022-01-14 | 傲普(上海)新能源有限公司 | Energy storage battery safety monitoring method |
| CN114777994A (en) * | 2022-05-16 | 2022-07-22 | 傲普(上海)新能源有限公司 | A bulging force test fixture for lithium cell |
| CN115014290A (en) * | 2022-06-02 | 2022-09-06 | 吉林大学 | PID algorithm-based self-parallel pressure disc device |
| CN116148506A (en) * | 2023-01-03 | 2023-05-23 | 上海空间电源研究所 | Servo splint device of lithium ion battery |
-
2019
- 2019-11-19 CN CN201921997733.1U patent/CN211043616U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557206A (en) * | 2020-12-23 | 2021-03-26 | 无锡市金杨新材料股份有限公司 | Explosion-proof testing arrangement of battery aluminum hull |
| CN113937375A (en) * | 2021-10-12 | 2022-01-14 | 傲普(上海)新能源有限公司 | Energy storage battery safety monitoring method |
| CN114777994A (en) * | 2022-05-16 | 2022-07-22 | 傲普(上海)新能源有限公司 | A bulging force test fixture for lithium cell |
| CN114777994B (en) * | 2022-05-16 | 2023-08-22 | 傲普(上海)新能源有限公司 | Expansion force testing tool for lithium battery |
| CN115014290A (en) * | 2022-06-02 | 2022-09-06 | 吉林大学 | PID algorithm-based self-parallel pressure disc device |
| CN116148506A (en) * | 2023-01-03 | 2023-05-23 | 上海空间电源研究所 | Servo splint device of lithium ion battery |
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