CN217605025U - Simple soft package lithium ion battery and pole piece thickness measuring and weighing device - Google Patents

Simple soft package lithium ion battery and pole piece thickness measuring and weighing device Download PDF

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Publication number
CN217605025U
CN217605025U CN202220969155.6U CN202220969155U CN217605025U CN 217605025 U CN217605025 U CN 217605025U CN 202220969155 U CN202220969155 U CN 202220969155U CN 217605025 U CN217605025 U CN 217605025U
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pressure
pole piece
tray
lithium ion
thickness
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CN202220969155.6U
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郭静
邢丽英
纪影
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Tianjin EV Energies Co Ltd
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Tianjin EV Energies Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model provides a simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device, including support, no pressure measurement subassembly, area pressure measurement subassembly and controller, no pressure measurement subassembly is including hanging tray, chain and first distance measuring sensor group, and area pressure measurement subassembly is including pressing tray, pressure sensor, elevating system, clamp plate and second distance measuring sensor group. Simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device can the simultaneous measurement a plurality ofly, the thickness of the battery of multiple different model sizes and pole piece, simultaneously measurable quantity is at no pressure state or take the thickness and the weight of pole piece and battery under the pressure state, measuring pressure when can the effective control measurement thickness, shorten measuring time, avoid because of the measuring error that manual operation brought, greatly improve measured data accuracy and measurement of efficiency, help quick and effective collection of weight and thickness data in the battery manufacturing process.

Description

Simple soft package lithium ion battery and pole piece thickness measuring and weighing device
Technical Field
The utility model belongs to the technical field of lithium ion battery detects, especially, relate to a simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device.
Background
Soft packet of lithium ion battery is as the battery of a high-efficient energy storage, need pay close attention to the thickness and the weight of pole piece, battery in the manufacturing process, and the thickness of pole piece is influencing the thickness of battery, and the thickness of battery and then the design of influencing the module, consequently thickness, the weight of pole piece when especially needing to pay close attention to different process states, the battery thickness and the weight of different electric quantity states in the processing procedure process.
At present, in the manufacturing process of a lithium ion battery, the thickness and the weight of a pole piece and the battery need to be measured separately and are carried out one by one; the weight of the pole piece and the battery is measured by using a tray balance, test data needs to be recorded manually, a large amount of manpower and time are consumed, and the efficiency is low; the thickness of the pole piece is measured manually by using a micrometer, the thickness of the battery is measured manually by using a vernier caliper, the measured data is greatly fluctuated due to inconsistent force used during measurement, and the data error of manual measurement is relatively large; because soft packet of lithium ion battery surface is soft relatively, easily destroys the battery surface when with slide caliper manual measurement to can't exert certain weight's pressure and measure the battery thickness under the different pressure to the battery, and then can't simulate the atress condition of soft packet of battery in module, battery package, make the unqualified battery of thickness get into in the module and influence the performance of whole battery package.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device to the thickness and the weight of the battery of simultaneous measurement a plurality of, multiple different model sizes and pole piece, the measuring pressure when effective control measures battery thickness shortens measuring time, avoids the measuring error because of manual operation brings, greatly improves measured data accuracy and measurement of efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a simple soft package lithium ion battery and a pole piece thickness measuring and weighing device comprises a bracket, a non-pressure measuring component, a pressure measuring component and a controller,
the non-pressure measuring component comprises a hanging tray, a chain and a first distance measuring sensor group, the hanging tray is connected with the upper end of the support through the chain, the chain is provided with a tension sensor, the measuring precision of the tension sensor is 0.0001g, the measuring range is 0-20kg, the first distance measuring sensor group comprises a plurality of infrared reflection sensors, the first distance measuring sensor group is arranged on the support above the hanging tray,
the under-pressure measuring assembly comprises an under-pressure tray, a pressure sensor, a lifting mechanism, a pressing plate and a second distance measuring sensor group, the under-pressure tray is erected on a support, the pressure sensor is arranged at the bottom of the under-pressure tray, the fixed end of the lifting mechanism is fixedly connected with the support, the movable end of the lifting mechanism is fixedly connected with the pressing plate, the pressing plate and the under-pressure tray are oppositely arranged, a battery or a pole piece is placed on the under-pressure tray, the pressing plate is extruded above the battery or the pole piece through the lifting mechanism, the pressure applying range of the pressing plate is 0-50kN, the second distance measuring sensor group comprises a plurality of infrared reflection sensors, and the second distance measuring sensor group is arranged on the support above the pressing plate,
the number and the positions of the infrared reflection sensors in the first distance measuring sensor group and the second distance measuring sensor group can be freely adjusted to meet the detection requirement, the infrared reflection sensors can be replaced by sensor components with distance measuring functions such as ultraviolet sensors or laser sensors, the materials of the suspension tray and the pressure tray are all corrosion-resistant hard materials which do not react with substances such as electrolyte, metal compounds and the like,
the controller is electrically connected with the first distance measuring sensor group, the tension sensor, the pressure sensor, the lifting mechanism and the second distance measuring sensor group.
Further, the support comprises a base, side plates, a top plate and a middle plate, the side plates are symmetrically and fixedly arranged on two sides of the base, the top plate is fixedly arranged at the upper ends of the side plates, the middle plate is fixedly connected with the middle of the side plates, the middle plate is arranged in parallel with the top plate, two ends of the chain are fixedly connected with the top plate and a hanging tray respectively, the hanging tray is arranged between the top plate and the middle plate, the tray with pressure is erected on the base, and the fixed end of the lifting mechanism is fixedly connected with the middle plate.
Further, a control panel is arranged on the support and electrically connected with the controller, and the control panel comprises a pressure test control panel, a pressure-free weighing control panel and a pressure-free thickness test control panel as required, and is respectively used for testing the thickness and weight of the battery or pole piece under the pressure state, the weight of the battery or pole piece under the pressure-free state and the thickness of the battery or pole piece under the pressure-free state.
Further, the display is further included, and the display is electrically connected with the controller.
Further, the lifting mechanism comprises an air cylinder, and can also be an oil cylinder, a linear motor and other components capable of enabling the pressing plate to move linearly.
Furthermore, a plurality of guide rods are fixedly arranged on the support, and guide holes corresponding to the guide rods one to one are formed in the pressing plate.
Further, the pressure measurement assembly is provided with a plurality of pressure measurement assemblies, and can simultaneously measure the pressure of a plurality of batteries or pole pieces.
Compared with the prior art, simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device have following advantage:
simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device can the simultaneous measurement a plurality ofly, the thickness of the battery of multiple different model sizes and pole piece, thickness and the weight of pole piece and battery under no pressure state or area pressure state can be measured simultaneously, measuring pressure when can the effective control measure thickness, shorten measuring time, avoid the measuring error who brings because of manual operation, greatly improve measured data accuracy and measurement of efficiency, help quick and effective collection of weight and thickness data in the battery manufacture process.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is the embodiment of the utility model provides a simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device's schematic structure.
Description of reference numerals:
1. a top plate; 2. a chain; 3. hanging the tray; 4. a lifting mechanism; 5. a base; 6. a pressure test control panel; 7. a non-pressure weighing control panel; 8. a non-pressure thickness test control panel; 9. and a display.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The simple soft package lithium ion battery and the pole piece thickness measuring and weighing device in the utility model comprises a bracket, a non-pressure measuring component, a controller and a display 9,
the support comprises a base 5, two side plates, a top plate 1 and a middle plate, wherein the two side plates are symmetrically and fixedly arranged on the two sides of the base 5, the top plate 1 is fixedly arranged at the upper ends of the two side plates, the two ends of the middle plate are respectively fixedly connected with the middle parts of the two side plates, the middle plate and the top plate 1 are arranged in parallel,
the non-pressure measuring component comprises a hanging tray 3, a chain 2 and a first distance measuring sensor group, the hanging tray 3 is arranged between a top plate 1 and a middle plate, two ends of the chain 2 are fixedly connected with the top plate 1 and the hanging tray 3 respectively, a certain distance is reserved between the bottom of the hanging tray 3 and the middle plate, a tension sensor is arranged on the chain 2, the measuring precision of the tension sensor is 0.0001g, the measuring range is 0-20kg, the first distance measuring sensor group comprises a plurality of infrared reflection sensors, the first distance measuring sensor group is arranged on the top plate 1 above the hanging tray 3,
the pressure measurement assembly is provided with a plurality of pressure measurement assemblies, each pressure measurement assembly comprises a pressure tray, a pressure sensor, a lifting mechanism 4, a pressing plate and a second distance measurement sensor group, the pressure tray is erected on a base 5, the pressure sensor is arranged at the bottom of the pressure tray, the lifting mechanism 4 is a cylinder, the fixed end of the cylinder is fixedly connected with a middle plate, the movable end of the cylinder is fixedly connected with the pressing plate, the pressing plate and the pressure tray are arranged oppositely, a battery or a pole piece is placed on the pressure tray, the pressing plate is extruded above the battery or the pole piece through the lifting mechanism 4, the pressure applied by the pressing plate ranges from 0kN to 50kN, the second distance measurement sensor group comprises a plurality of infrared reflection sensors, the second distance measurement sensor group is arranged on the middle plate above the pressing plate, a plurality of guide rods are fixedly arranged on a support, guide holes which correspond to the guide rods one by one are arranged on the pressing plate, and the pressing plate slides back and forth along the guide rods under the action of the cylinder,
the number and the positions of the infrared reflection sensors in the first distance measuring sensor group and the second distance measuring sensor group can be freely adjusted to meet the detection requirement, the suspension tray 3 and the pressure tray are made of corrosion-resistant hard materials which do not react with electrolyte, metal compounds and other substances,
the controller is electrically connected with the first distance measuring sensor group, the tension sensor, the pressure sensor, the lifting mechanism 4, the second distance measuring sensor group and the display 9, a control panel is arranged on the support, and the control panel is electrically connected with the controller and comprises a pressure test control panel 6, a pressure-free weighing control panel 7 and a pressure-free thickness test control panel 8.
The utility model provides a simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device's theory of operation as follows:
(1) And (3) measuring the weight and the thickness of the battery or the pole piece without pressure: starting a power supply, initializing the device through a non-pressure weighing control panel 7 and a non-pressure thickness testing control panel 8, wherein the values measured by a tension sensor and a first distance measuring sensor group are respectively F0 and S0, placing a battery or a pole piece to be measured on a suspension tray 3, weighing and measuring the thickness through the non-pressure weighing control panel 7 and the non-pressure thickness testing control panel 8, the values measured by the tension sensor and the first distance measuring sensor group are respectively F1 and S1, calculating F1-F0 and S1-S0 by a controller, and respectively measuring the weight and the thickness of the battery or the pole piece, and storing the results by the controller and sending the results to a display 9 for displaying;
when needing to measure weight and thickness of two pole pieces under the non-pressure state, the start power supply initializes the device through no-pressure weighing control panel 7 and no-pressure thickness test control panel 8, and the numerical value that tension sensor surveyed this moment is F01, is equipped with two measuring station on the tray 3 that hangs in this embodiment: the method comprises the following steps that a first station and a second station are provided, a corresponding infrared reflection sensor is arranged on a top plate 1 above each measuring station, the value S01 measured by the infrared reflection sensor corresponding to the first station is S02 measured by the infrared reflection sensor corresponding to the second station, a first pole piece to be measured is placed on the first station of a suspension tray 3, weighing and thickness measuring are carried out through a non-pressure weighing control panel 7 and a non-pressure thickness testing control panel 8, the values measured by a tension sensor and the infrared reflection sensor corresponding to the first station are F11 and S11 respectively, the controller calculates F11-F01 and S11-S01 which are the weight and the thickness of the first pole piece respectively, stores the results and sends the results to a display 9 to display for displaying, then the second pole piece to be measured is placed on the second station of the suspension tray 3, weighing and thickness measuring are carried out through the non-pressure weighing control panel 7 and the non-pressure thickness testing control panel 8, the values measured by the tension sensor and the infrared reflection sensor corresponding to the second station are F12 and S12 respectively, the controller calculates the F12-S11 and S11-S02, and sends the weight and thickness measuring results to the display.
(2) And (3) measuring the weight and the thickness of the battery or the pole piece under pressure: the power supply is started, the device is initialized through the under-pressure test control panel 6, the numerical values measured by the pressure sensor and the second distance measuring sensor group are respectively F2 and S2, the battery or the pole piece to be measured is placed on the under-pressure tray, the numerical value measured by the pressure sensor is F3, the sensor calculates that F3-F2 is the weight of the battery or the pole piece, then a target pressure value F4 is set through the under-pressure test control panel 6, the controller controls the cylinder to move downwards, the pressing plate presses the battery or the pole piece on the under-pressure tray, when the numerical value measured by the pressure sensor reaches F4+ F3, the controller controls the cylinder to stop moving, the numerical value measured by the second distance measuring sensor group is S3, the controller calculates that S3-S2 is the thickness of the battery or the pole piece when the pressure is F4, the controller respectively sends the calculation results to the display 9 to display for displaying, and the under-pressure measurement of a plurality of batteries or the under-pressure measurement can be simultaneously performed through a plurality of under-pressure measurement assemblies.
Through simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device in this embodiment can measure a plurality ofly simultaneously, the thickness of the battery of multiple different model sizes and pole piece, simultaneously measurable quantity is pole piece and battery under no pressure state or area pressure state thickness and weight, measuring pressure when can the effective control measure thickness, shorten measuring time, avoid the measuring error who brings because of manual operation, greatly improve measured data accuracy and measurement efficiency, help quick and effective collection of weight and thickness data in the battery manufacture process.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device which characterized in that: comprises a bracket, a non-pressure measuring component, a pressure measuring component and a controller,
the non-pressure measuring component comprises a hanging tray, a chain and a first distance measuring sensor group, the hanging tray is connected with the upper end of the bracket through the chain, the chain is provided with a tension sensor, the first distance measuring sensor group comprises a plurality of infrared reflection sensors, the first distance measuring sensor group is arranged on the bracket above the hanging tray,
the under-pressure measuring component comprises an under-pressure tray, a pressure sensor, a lifting mechanism, a pressing plate and a second distance measuring sensor group, the under-pressure tray is erected on the support, the pressure sensor is arranged at the bottom of the under-pressure tray, the fixed end of the lifting mechanism is fixedly connected with the support, the movable end of the lifting mechanism is fixedly connected with the pressing plate, the pressing plate and the under-pressure tray are oppositely arranged, the second distance measuring sensor group comprises a plurality of infrared reflection sensors, the second distance measuring sensor group is arranged on the support above the pressing plate,
the controller is electrically connected with the first distance measuring sensor group, the tension sensor, the pressure sensor, the lifting mechanism and the second distance measuring sensor group.
2. The simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device of claim 1, characterized in that: the support comprises a base, side plates, a top plate and a middle plate, wherein the side plates are symmetrically and fixedly arranged on two sides of the base, the top plate is fixedly arranged at the upper ends of the side plates, the middle plate is fixedly connected with the middle of the side plates, the middle plate is parallel to the top plate, two ends of a chain are fixedly connected with the top plate and a hanging tray respectively, the hanging tray is arranged between the top plate and the middle plate, the tray with pressure is erected on the base, and the fixed end of the lifting mechanism is fixedly connected with the middle plate.
3. The simple soft package lithium ion battery and pole piece thickness measuring and weighing device of claim 1, characterized in that: the support is provided with a control panel, and the control panel is electrically connected with the controller.
4. The simple soft package lithium ion battery and pole piece thickness measuring and weighing device of claim 1, characterized in that: the display is electrically connected with the controller.
5. The simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device of claim 1, characterized in that: the lifting mechanism comprises a cylinder.
6. The simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device of claim 1, characterized in that: the support is fixedly provided with a plurality of guide rods, and the pressing plate is provided with guide holes corresponding to the guide rods one to one.
7. The simple and easy soft packet of lithium ion battery and pole piece thickness measurement and weighing device of claim 1, characterized in that: the area is pressed the measuring part and is equipped with a plurality ofly.
CN202220969155.6U 2022-04-25 2022-04-25 Simple soft package lithium ion battery and pole piece thickness measuring and weighing device Active CN217605025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220969155.6U CN217605025U (en) 2022-04-25 2022-04-25 Simple soft package lithium ion battery and pole piece thickness measuring and weighing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220969155.6U CN217605025U (en) 2022-04-25 2022-04-25 Simple soft package lithium ion battery and pole piece thickness measuring and weighing device

Publications (1)

Publication Number Publication Date
CN217605025U true CN217605025U (en) 2022-10-18

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CN (1) CN217605025U (en)

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