CN215865102U - Lithium ion battery thickness precision measurement device - Google Patents
Lithium ion battery thickness precision measurement device Download PDFInfo
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- CN215865102U CN215865102U CN202122055415.7U CN202122055415U CN215865102U CN 215865102 U CN215865102 U CN 215865102U CN 202122055415 U CN202122055415 U CN 202122055415U CN 215865102 U CN215865102 U CN 215865102U
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 24
- 238000005259 measurement Methods 0.000 title claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Length Measuring Devices By Optical Means (AREA)
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Abstract
The utility model discloses a device for accurately measuring the thickness of a lithium ion battery, which comprises a bottom plate for placing the battery, wherein a first movable baffle and a second movable baffle for clamping the battery are movably connected to the two ends of the bottom plate through an adjusting mechanism; under the action of the adjusting mechanism, the moving directions of the first moving baffle and the second moving baffle are parallel to the central axis of the bottom plate; and infrared thickness gauges for measuring the thickness of the battery are fixed on two sides of the middle part of the bottom plate, and the middle part of the battery is positioned in an infrared sensor sensing area of the infrared thickness gauges. According to the device for accurately measuring the thickness of the lithium ion battery, the thickness of the battery is measured through the infrared thickness gauge, and the measured value is accurate; the measuring device is simple in structure, greatly simplifies the complexity of operation, and improves the working efficiency. In addition, the device can guarantee that the position of the thickness of survey of battery is the same at every turn, can effectively solve the not accurate not enough of current lithium ion battery thickness survey, improves battery thickness measurement's accuracy nature.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery manufacturing, and particularly relates to a device for accurately measuring the thickness of a lithium ion battery.
Background
If the internal moisture of the lithium ion battery is unqualified in the production process or the electrolyte is abnormally decomposed in the reaction process, the lithium ion battery can swell due to overlarge internal pressure of the battery. Therefore, the thickness change of the lithium ion battery is one of the factors for measuring whether the lithium ion battery generates gas or not and whether the performance is stable or not, and the thickness detection is a key control point in the production process of the lithium ion battery. At present, some technologies can simply screen out batteries with large thickness variation, but the requirements for quality control and development requirements are far from being met. At present, quality engineers and research and development engineers still use a micrometer to measure the thickness, but the difference of the measured thickness due to different clamping positions of the micrometer is large because of insufficient uniformity of the battery, particularly, the high-temperature shelving performance of the battery needs to be tested in the research and development work, and then the thickness change before and after high-temperature shelving is compared, so that the result has no reference significance because of different personnel standards.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the device for accurately measuring the thickness of the lithium ion battery, which is simple, convenient and easy to operate, saves time and energy of personnel, can ensure that the positions of the measured thickness are the same each time, and has good reference value for comparing the thickness change of the battery.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the device for accurately measuring the thickness of the lithium ion battery comprises a bottom plate for placing the battery, wherein a first movable baffle and a second movable baffle for clamping the battery are movably connected to two ends of the bottom plate through an adjusting mechanism, and the first movable baffle and the second movable baffle have the same structure; under the action of the adjusting mechanism, the moving directions of the first moving baffle and the second moving baffle are parallel to the central axis of the bottom plate; and infrared thickness gauges for measuring the thickness of the battery are fixed on two sides of the middle of the bottom plate, and the middle of the battery is located in an infrared sensor sensing area of the infrared thickness gauges.
As a preferable technical scheme, the adjusting mechanism comprises a first adjusting component and a second adjusting component which have the same structure and are symmetrically arranged; the first adjusting assembly comprises a fixing plate vertically fixed at one end of the top surface of the bottom plate, a threaded hole penetrating through the middle part of the fixing plate along the horizontal direction is formed in the middle part of the fixing plate, and the fixing plate is in threaded connection with a rotating screw rod through the threaded hole; the first movable baffle is fixed at one end part of the rotary screw rod, which is close to the battery. The first movable baffle is moved towards the direction close to or far away from the battery by rotating the screw rod to rotate forwards or reversely in the threaded hole, so that the purpose of clamping or releasing the battery is achieved.
As a preferred technical scheme, the bottom plate is provided with a connecting hole under the fixing plate, and the fixing plate is in interference fit with the connecting hole. The fixing plate is arranged on the bottom plate in a connecting hole mode, and the structure is simple and easy to manufacture. Further preferably, an adjusting handle is fixed at one end of the rotating screw rod, which is far away from the battery. External force is conveniently applied to the rotary screw rod through adjusting the handle, and operation is facilitated.
According to the preferable technical scheme, the top surface of the bottom plate is provided with scales, the zero value of the scales is located in the middle of the bottom plate, and two sides of the zero value are symmetrically and gradually changed towards two ends of the bottom plate. Through set up the scale in order carrying out the distance measurement on the bottom plate, at the in-process of adjusting first movable baffle and second movable baffle, make the battery be located the middle part of bottom plate, the operation of being convenient for.
The infrared thickness gauge is a commercially available product, and the specific working principle of the infrared thickness gauge is not described herein.
The utility model has the beneficial effects that:
according to the device for accurately measuring the thickness of the lithium ion battery, the thickness of the battery is measured through the infrared thickness gauge, and the measured value is accurate; the measuring device is simple in structure, greatly simplifies the complexity of operation, reduces the working difficulty and intensity of personnel, saves the time and energy of the personnel, and improves the working efficiency. In addition, the device can guarantee that the position of the thickness of survey of battery is the same at every turn, has fine reference value to the change of comparison battery thickness, can effectively solve the not accurate not enough of current lithium ion battery thickness survey, improves battery thickness measurement's accuracy nature.
Drawings
FIG. 1 is a side view of an apparatus for accurately measuring the thickness of a lithium ion battery according to the present invention;
FIG. 2 is a top view of an apparatus for accurately measuring the thickness of a lithium ion battery provided by the present invention;
reference numerals: 1-battery, 2-bottom plate, 3-first movable baffle, 4-second movable baffle, 5-infrared thickness gauge, 6-first adjusting component, 601-fixed plate, 602-rotary screw, 603-adjusting handle, and 7-second adjusting component.
Detailed Description
The utility model is further described with reference to the following figures and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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.
In the present invention, "fixed" or "fixedly connected" or "mounted" means that two components connected to each other are fixed together, and are generally fixed together by welding, screws, or gluing. "articulating connection" means that two parts are connected together and can move relative to each other.
It is to be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the appended drawings to indicate orientations and positional relationships, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting. The terms "first" and "second" do not denote any particular quantity or order, but rather are used to distinguish one element from another.
Referring to fig. 1 and 2, an accurate measuring device for the thickness of a lithium ion battery comprises a bottom plate 2 for placing a battery 1, wherein a first movable baffle 3 and a second movable baffle 4 for clamping the battery are movably connected to two ends of the bottom plate 2 through an adjusting mechanism, and the first movable baffle 3 and the second movable baffle 4 have the same structure; under the action of the adjusting mechanism, the moving directions of the first moving baffle 3 and the second moving baffle 4 are parallel to the central axis of the bottom plate 2; preferably, the top surface of the bottom plate 2 is provided with a scale (not shown), the zero point value of the scale is located in the middle of the bottom plate, and two sides of the zero point value are symmetrically and gradually changed towards two ends of the bottom plate. The distance measurement is carried out by arranging scales on the bottom plate 2, and the battery is positioned in the middle of the bottom plate in the process of adjusting the positions of the first movable baffle 3 and the second movable baffle 4, so that the operation is convenient. And infrared thickness gauges 5 for measuring the thickness of the battery are fixed on two sides of the middle part of the bottom plate 2, and the middle part of the battery is positioned in an infrared sensor sensing area of the infrared thickness gauges.
As a preferred embodiment, the adjusting mechanism comprises a first adjusting component 6 and a second adjusting component 7 which have the same structure and are symmetrically arranged; the first adjusting assembly 6 comprises a fixing plate 601 vertically fixed at one end of the top surface of the base plate, the middle part of the fixing plate is provided with a threaded hole (not shown) penetrating along the horizontal direction, and the fixing plate 601 is in threaded connection with a rotary screw 602 through the threaded hole; the first moving shutter 3 is fixed to an end portion of the rotating screw 602 near the battery. The first movable baffle 3 is moved in a direction approaching or separating from the battery by rotating the screw 602 in the threaded hole in a forward direction or a reverse direction, so as to clamp or release the battery. In order to apply an external force to the rotation screw 602, an adjustment handle 603 is fixed to an end of the rotation screw 602 remote from the battery. Further, in order to facilitate the assembly between the fixing plate 601 and the bottom plate 2, a connecting hole (not shown) is formed in the bottom plate 2 right below the fixing plate, and the fixing plate is in interference fit with the connecting hole.
In the work, at first place battery 1 in the middle part of bottom plate 2, then rotatory screw rod 602 makes first movable baffle 3 and second movable baffle 4 be located the both ends of battery respectively to fix the position of battery, guarantee simultaneously according to the scale interval on the bottom plate that the battery is in central position, adjust infrared thickness gauge and make its infrared sensor induction area be in battery central authorities and fix, connect the sensor power and can obtain the accurate thickness value of battery on infrared display. The detection device is provided. The measuring result is accurate and easy to operate, the working efficiency is greatly improved, and the problem that the existing battery thickness is inaccurate is solved.
The above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to fall within the protection scope defined by the claims of the present invention.
Claims (5)
1. The utility model provides a lithium ion battery thickness precision measurement device which characterized in that: the battery clamping device comprises a bottom plate for placing a battery, wherein a first movable baffle and a second movable baffle for clamping the battery are movably connected to two ends of the bottom plate through an adjusting mechanism, and the first movable baffle and the second movable baffle have the same structure; under the action of the adjusting mechanism, the moving directions of the first moving baffle and the second moving baffle are parallel to the central axis of the bottom plate; and infrared thickness gauges for measuring the thickness of the battery are fixed on two sides of the middle of the bottom plate, and the middle of the battery is located in an infrared sensor sensing area of the infrared thickness gauges.
2. The device for accurately measuring the thickness of the lithium ion battery according to claim 1, wherein: the adjusting mechanism comprises a first adjusting component and a second adjusting component which have the same structure and are symmetrically arranged; the first adjusting assembly comprises a fixing plate vertically fixed at one end of the top surface of the bottom plate, a threaded hole penetrating through the middle part of the fixing plate along the horizontal direction is formed in the middle part of the fixing plate, and the fixing plate is in threaded connection with a rotating screw rod through the threaded hole; the first movable baffle is fixed at one end part of the rotary screw rod, which is close to the battery.
3. The device for accurately measuring the thickness of the lithium ion battery according to claim 2, wherein: the bottom plate is located the fixed plate and has seted up the connecting hole under, fixed plate and connecting hole interference fit.
4. The device for accurately measuring the thickness of the lithium ion battery according to claim 2, wherein: and an adjusting handle is fixed at one end of the rotating screw rod, which is far away from the battery.
5. The device for accurately measuring the thickness of the lithium ion battery according to any one of claims 1 to 4, wherein: the top surface of the bottom plate is provided with scales, the zero value of the scales is positioned in the middle of the bottom plate, and two sides of the zero value are symmetrically and gradually changed towards two ends of the bottom plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122055415.7U CN215865102U (en) | 2021-08-27 | 2021-08-27 | Lithium ion battery thickness precision measurement device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122055415.7U CN215865102U (en) | 2021-08-27 | 2021-08-27 | Lithium ion battery thickness precision measurement device |
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CN215865102U true CN215865102U (en) | 2022-02-18 |
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CN202122055415.7U Active CN215865102U (en) | 2021-08-27 | 2021-08-27 | Lithium ion battery thickness precision measurement device |
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2021
- 2021-08-27 CN CN202122055415.7U patent/CN215865102U/en active Active
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