CN110579717A - Lithium battery expansion detection device with high detection efficiency - Google Patents
Lithium battery expansion detection device with high detection efficiency Download PDFInfo
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- CN110579717A CN110579717A CN201911030357.3A CN201911030357A CN110579717A CN 110579717 A CN110579717 A CN 110579717A CN 201911030357 A CN201911030357 A CN 201911030357A CN 110579717 A CN110579717 A CN 110579717A
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- detection efficiency
- lithium battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a lithium battery expansion detection device with high detection efficiency in the technical field of lithium batteries, which comprises a side plate, wherein the side plate is provided with a motor, the motor is connected with a driving belt pulley, the driving belt pulley is sleeved with a belt, the belt is sleeved with a driven belt pulley, the driven belt pulley is provided with a rotating rod, the rotating rod is provided with a thread groove, the opening directions of adjacent thread grooves are opposite, the rotating rod is provided with an odd-numbered pressing plate and an even-numbered pressing plate, the odd-numbered pressing plate is provided with a straight groove, and a pressure sensor is arranged in the straight groove. Make the device can carry out the bulging force to every group lithium cell for device detection efficiency is high.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery expansion detection device with high detection efficiency.
Background
The battery is a battery using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material. The lithium battery module is a combination body which is formed by combining lithium batteries in a series-parallel mode and can directly supply power after a circuit board and a shell are protected.
The lithium cell is in process of production, need carry out charge and discharge detection to the lithium cell, but the lithium cell fills the inside a small amount of gas that can produce of battery in-process, leads to the outside inflation of battery case, and the extrusion module warp, in order to look for suitable resistance to compression material, need have accurate measurement to the bulging force of battery, and some testing arrangement have been designed for the better bulging force to the lithium cell now, but testing arrangement still has some defects.
For example, chinese patent application No. CN201820944464.1 discloses a device for testing charge and discharge expansion force of a lithium battery, which includes a bottom plate, a front end plate and a rear end plate fixedly disposed at two ends of the bottom plate, a hand turbine screw rod device fixedly disposed on the bottom plate at one end of the front end plate, and a battery support plate fixedly disposed on the bottom plate at one end of the rear end plate; a moving plate and a pressing plate are sequentially and movably arranged between the hand-operated turbine screw rod device and the battery supporting plate; one end of a screw rod of the hand-operated turbine screw rod device penetrates through the front end plate, the other end of the screw rod is connected with one side of the movable plate, and a pressure sensor is mounted on the other side of the movable plate; the inner side wall of the pressure plate is fixedly provided with a boss fixing block which is contacted with the pressure sensor; the centers of the screw rod, the pressure sensor and the boss fixing block are all located on the same axis. The device has good universality, can quickly test the expansive force of the lithium batteries of various models in the charging and discharging process, improves the testing efficiency, ensures the testing accuracy, but cannot accurately measure the expansive force of each group of lithium batteries when the groups are measured.
Based on the above, the invention designs a lithium battery expansion detection device with high detection efficiency, so as to solve the above problems.
disclosure of Invention
The invention aims to provide a lithium battery expansion detection device with high detection efficiency, which aims to solve the problems that although the expansion force of lithium batteries of various types in the charging and discharging process can be rapidly tested, the test efficiency is improved, and the test accuracy is ensured, the expansion force of each lithium battery group cannot be accurately measured when the device measures multiple lithium battery groups.
In order to achieve the purpose, the invention provides the following technical scheme: a lithium battery expansion detection device with high detection efficiency comprises a side plate, a driven belt pulley, a belt, a controller, a support sliding rod, a rotating rod, a driving belt pulley, an odd number pressing plate, an even number pressing plate, a pressure sensor and a support plate, the two ends of the supporting plate are fixedly connected with side plates, the outer wall of the side plate on the left side is fixedly provided with a motor through a fixedly connected mounting plate, the output end of the motor is fixedly connected with a driving belt pulley which is sleeved with a belt, the belt is sleeved with two groups of same driven belt pulleys which are fixedly connected with a rotating rod, a plurality of groups of thread grooves are arranged on the rotating rod, the arrangement directions of the adjacent thread grooves are opposite, an odd number pressing plate and an even number pressing plate are connected on the rotating rod through thread grooves, a straight groove is formed in the side wall of the odd-number pressing plate, and a pressure sensor is fixedly mounted in the straight groove.
Preferably, the side plate is rotatably connected with the rotating rod through a bearing fixedly connected with the side plate.
Preferably, the odd-numbered pressing plates and the even-numbered pressing plates are alternately arranged.
Preferably, four groups of supporting slide bars are fixedly connected between the side plates, and the odd-numbered press plates and the even-numbered press plates are both connected with the supporting slide bars in a sliding manner.
Preferably, the side plate is fixedly provided with a controller, the controller is electrically connected with an external power supply, and the controller is respectively electrically connected with the pressure sensor and the motor.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the driving belt pulley is driven to rotate by the motor, the driven belt pulley is driven to rotate by the driving belt pulley through the belt, the driven belt pulley drives the rotating rod to rotate, the odd-numbered pressing plates and the even-numbered pressing plates can move oppositely to clamp the lithium batteries due to the fact that the adjacent thread grooves are arranged in opposite directions, meanwhile, the pressure sensors in the odd-numbered pressing plates can sense expansion force, and the controller records sensing data of the pressure sensors, so that the device can carry out expansion force on each group of lithium batteries, and the detection efficiency of the device is high.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A of the present invention;
FIG. 4 is a functional schematic of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. The side plate 2, the driven pulley 3, the motor 4, the belt 5, the controller 6, the support sliding rod 7, the rotating rod 8, the driving pulley 9, the odd-numbered pressing plate 10, the even-numbered pressing plate 11, the pressure sensor 12, the straight groove 13, the support plate 14 and the thread groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a lithium battery expansion detection device with high detection efficiency comprises a side plate 1, a driven pulley 2, a belt 3, a controller 4, a support sliding rod 6, a rotating rod 7, a driving pulley 8, an odd-number pressing plate 9, an even-number pressing plate 10, a pressure sensor 11 and a supporting plate 13, wherein the two ends of the supporting plate 13 are fixedly connected with the side plate 1, the outer wall of the left side plate 1 is fixedly provided with a motor 3 through a fixedly connected mounting plate, the output end of the motor 3 is fixedly connected with the driving pulley 8, the driving pulley 8 is sleeved with the belt 4, the belt 4 is sleeved with two groups of same driven pulleys 2, the driven pulleys 2 are fixedly connected with the rotating rod 7, a plurality of groups of thread grooves 14 are arranged on the rotating rod 7, the arrangement directions of adjacent thread grooves 14 are opposite, the rotating rod 7 is in threaded connection with an odd-number pressing plate 9, fixed mounting has pressure sensors 11 in straight flute 12, it rotates to drive driving pulley 8 through motor 3, driving pulley 8 passes through belt 4 and drives driven pulley 2 and rotate, driven pulley 2 drives dwang 7 and rotates, because the opposite direction of seting up of adjacent thread groove 14, make odd number clamp plate 9 and even number clamp plate 10 can realize moving in opposite directions and block the lithium cell, 11 response expansive force of pressure sensors in the odd number clamp plate 9 simultaneously, through 5 record pressure sensors 5 response data of controller, make the device can carry out the expansive force to every group lithium cell, make device detection efficiency high.
Curb plate 1 rotates with dwang 7 through fixed connection's bearing to be connected, makes things convenient for dwang 7 to rotate.
the odd-numbered pressing plates 9 and the even-numbered pressing plates 10 are alternately arranged, and the lithium batteries are placed between the odd-numbered pressing plates 9 and the even-numbered pressing plates 10.
Four groups of supporting slide bars 6 are fixedly connected between the side plates 1, and the odd-numbered pressing plates 9 and the even-numbered pressing plates 10 are both in sliding connection with the supporting slide bars 6, so that the odd-numbered pressing plates 9 and the even-numbered pressing plates 10 can slide conveniently.
The controller 4 is fixedly installed on the side plate 1, the controller 4 is electrically connected with an external power supply, the controller 4 is electrically connected with the pressure sensor 11 and the motor 3 respectively, the XMD controller is selected for the controller 4, the RJ090-E03520 servo motor is selected for the motor 3, and the pressure sensor 11 is selected for a pressure sensor in a comparison file.
One specific application of this embodiment is: setting an initial value of the pressure sensor 11 on the controller 5, and stopping the rotation of the motor 3 by the controller 5 when the initial value is reached; placing lithium batteries to be detected between an odd-numbered pressing plate 9 and an even-numbered pressing plate 10, wherein a supporting plate 13 plays a supporting role, a controller 5 is used for starting a motor 3 to rotate, the motor 3 drives a driving belt pulley 8 to rotate, the driving belt pulley 8 drives a driven belt pulley 2 to rotate through a belt 4, the driven belt pulley 2 drives a rotating rod 7 to rotate, the odd-numbered pressing plate 9 and the even-numbered pressing plate 10 can move oppositely to clamp the lithium batteries due to the fact that the adjacent thread grooves 14 are arranged in opposite directions, when an initial value is reached, the controller 5 stops the motor 3 to rotate and stops continuing to fix, then the lithium batteries are charged or discharged, at the moment, a pressure sensor 11 in the odd-numbered pressing plate 9 induces expansive force, the controller 5 is used for recording the inductive data of the pressure sensor 11 to measure the expansive force when the lithium batteries are charged or discharged, and the device can, so that the detection efficiency of the device is high.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a lithium cell inflation detection device that detection efficiency is high, includes curb plate, driven pulley, belt, controller, support slide bar, dwang, drive pulley, odd number clamp plate, even number clamp plate, pressure sensors and backup pad, its characterized in that: the equal fixedly connected with curb plate in backup pad both ends, the left side curb plate outer wall has the motor through fixed connection's mounting panel fixed mounting, the output fixedly connected with driving pulley of motor, driving pulley has cup jointed the belt, the belt has cup jointed two sets of the same driven pulley, driven pulley fixedly connected with dwang, multiunit thread groove has been seted up on the dwang, and is adjacent the opposite direction is seted up of thread groove, there are odd number clamp plate and even number clamp plate through thread groove threaded connection on the dwang, the straight flute has been seted up on the odd number clamp plate lateral wall, fixed mounting has pressure sensors in the straight flute.
2. The lithium battery swelling detection device with high detection efficiency according to claim 1, wherein: the side plates are rotatably connected with the rotating rod through bearings fixedly connected.
3. The lithium battery swelling detection device with high detection efficiency according to claim 1, wherein: the odd-numbered pressing plates and the even-numbered pressing plates are alternately arranged.
4. The lithium battery swelling detection device with high detection efficiency according to claim 1, wherein: four groups of supporting slide bars are fixedly connected between the side plates, and the odd-numbered pressing plates and the even-numbered pressing plates are both in sliding connection with the supporting slide bars.
5. The lithium battery swelling detection device with high detection efficiency according to claim 1, wherein: the side plate is fixedly provided with a controller, the controller is electrically connected with an external power supply, and the controller is respectively electrically connected with the pressure sensor and the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030357.3A CN110579717A (en) | 2019-10-28 | 2019-10-28 | Lithium battery expansion detection device with high detection efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030357.3A CN110579717A (en) | 2019-10-28 | 2019-10-28 | Lithium battery expansion detection device with high detection efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110579717A true CN110579717A (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911030357.3A Withdrawn CN110579717A (en) | 2019-10-28 | 2019-10-28 | Lithium battery expansion detection device with high detection efficiency |
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| Country | Link |
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| CN (1) | CN110579717A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766523A (en) * | 2020-07-09 | 2020-10-13 | 东莞塔菲尔新能源科技有限公司 | Method and device for determining charging strategy of lithium ion battery |
| CN112798969A (en) * | 2020-12-21 | 2021-05-14 | 江苏东森智能科技有限公司 | Lithium battery expansion detection device with high detection efficiency |
| CN117249933A (en) * | 2023-11-17 | 2023-12-19 | 锐马（福建）电气制造有限公司 | Lithium battery expansion force detection method |
-
2019
- 2019-10-28 CN CN201911030357.3A patent/CN110579717A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766523A (en) * | 2020-07-09 | 2020-10-13 | 东莞塔菲尔新能源科技有限公司 | Method and device for determining charging strategy of lithium ion battery |
| CN111766523B (en) * | 2020-07-09 | 2022-01-14 | 东莞塔菲尔新能源科技有限公司 | Method and device for determining charging strategy of lithium ion battery |
| CN112798969A (en) * | 2020-12-21 | 2021-05-14 | 江苏东森智能科技有限公司 | Lithium battery expansion detection device with high detection efficiency |
| CN117249933A (en) * | 2023-11-17 | 2023-12-19 | 锐马（福建）电气制造有限公司 | Lithium battery expansion force detection method |
| CN117249933B (en) * | 2023-11-17 | 2024-03-15 | 锐马（福建）电气制造有限公司 | Lithium battery expansion force detection method |
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Application publication date: 20191217 |
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| WW01 | Invention patent application withdrawn after publication |