阅读说明：本技术 一种快速调整注液量的方法 (Method for quickly adjusting liquid injection amount ) 是由 康军 贾兴 杨山 郑明清 陈杰 李载波 于 2019-10-14 设计创作，主要内容包括：本发明属于锂离子电池技术领域,具体涉及一种快速调整注液量的方法,包括步骤一、对各个型号电池的标准注液量进行预设；步骤二、收集原型号电池的注液量A1及其对应的注液泵注液次数B1；步骤三、按照公式①B2＝b＝A2/M和公式②C＝A2-A1*B2/B1计算得到当前型号电池中需要调试的注液量C,其中,B2为当前型号锂离子电池的注液泵注液次数,A2为当前型号电池的注液量,M为注液泵单次的标准注液量；步骤四、根据步骤三中的注液量C进行调试。通过本发明,能够对换型后的电池的注液量进行快速调整,从而改善了人工调试导致的注液效率低下的问题,提高生产的效率,而且也减少了在调试过程中电解液的浪费,节省了生产的成本。(The invention belongs to the technical field of lithium ion batteries, and particularly relates to a method for quickly adjusting liquid injection amount, which comprises the steps of presetting standard liquid injection amount of batteries of various types, collecting liquid injection amount A1 of batteries of original types and liquid injection pump liquid injection times B1 corresponding to the liquid injection amount, calculating liquid injection amount C required to be adjusted in the batteries of current types according to a formula ① B2B 2/M and a formula ② C a 2-A1B 2/B1, wherein B2 is the liquid injection pump liquid injection times of the batteries of current types, A2 is the liquid injection amount of the batteries of current types, and M is the single standard liquid injection amount of a liquid injection pump, and debugging is carried out according to the liquid injection amount C in the step three.)

1. A method for quickly adjusting the liquid injection amount is characterized by comprising the following steps:

step one, presetting parameters: presetting the standard liquid injection amount of each type of battery;

step two, collecting data: collecting the liquid injection amount A1 of the original battery and the corresponding liquid injection times B1 of the liquid injection pump;

calculating to obtain the liquid injection amount C required to be debugged in the current type of battery according to a formula ① B2-B-A2/M and a formula ② C-A2-A1-B2/B1, wherein a parameter B is a variable, B2 is the liquid injection frequency of the liquid injection pump of the current type of lithium ion battery, A2 is the liquid injection amount of the current type of battery, A2 can be obtained through the parameters preset in the step one, and M is the single standard liquid injection amount of the liquid injection pump;

step four, debugging: and debugging according to the liquid injection amount C obtained by calculation in the third step.

2. The method for quickly adjusting the pouring amount according to claim 1, wherein in the formula ① of step three, if A2 can be divided by M, the number of times B2 is B, and if A2 cannot be divided by M, the number of times B2 is B, and the number of times B is one.

3. The method for quickly adjusting the pouring amount according to claim 1, characterized in that: and in the fourth step, debugging is carried out through a measuring tool on debugging equipment, and the injection quantity C is converted into a corresponding conversion value D through the measuring tool.

4. The method for quickly adjusting the pouring amount according to claim 3, characterized in that: the measuring tool is a micrometer, and the debugging scale on the micrometer corresponds to each small grid and is 0.01 g.

5. The method for quickly adjusting the pouring amount according to claim 4, characterized in that: and the conversion formula of the conversion value D is that D is equal to C/0.01, when D is not an integer, if D is a positive number, the debugging scale is increased by one small grid, and if D is a negative number, the debugging scale is decreased by one small grid.

6. The method for quickly adjusting the pouring amount according to claim 1, characterized in that: and step four, after debugging, weighing and detecting the liquid injection amount required to be debugged.

7. The method for quickly adjusting the pouring amount according to claim 6, characterized in that: the weighing detection is carried out through an electronic scale, if the detection result is within a preset first detection range, the detection result passes, and if the detection result is not within the preset first detection range, the detection result is readjusted.

8. The method for quickly adjusting the pouring amount according to claim 7, characterized in that: the number of weighing tests is multiple.

9. The method for quickly adjusting the pouring amount according to claim 1, characterized in that: the range of A2 is 2 g-15 g.

10. The method for quickly adjusting the pouring amount according to claim 1, characterized in that: the range of M is 1g to 10 g.

Technical Field

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a method for quickly adjusting liquid injection amount.

Background

The lithium ion battery has the advantages of large energy density, high working voltage, long cycle service life, no memory and the like, so that the lithium ion battery is widely applied to various industries, particularly the electric automobile industry which is developed rapidly in recent years, and the market demand of the lithium ion battery is increased more and more.

The liquid injection process is an important part of the production process of the lithium ion battery and mainly comprises four steps of vacuumizing, liquid injection, standing and packaging. At present, this process need change the lithium ion battery of different models in actual production process often, therefore lead to all to annotating the liquid volume when the change battery model at every turn and debug again, and, at present, mainly rely on artifically to the debugging of annotating the liquid volume, the workman sets for annotating the liquid volume according to the experience, and debug the notes liquid weight of setting for through the electronic scale, it reaches the liquid volume of annotating of regulation within the tolerance range to annotate liquid volume, consequently, the notes liquid efficiency of lithium ion battery remodeling in-process has greatly been reduced, and also a large amount of electrolyte is wasted.

In view of the above, it is necessary to improve the current injection process to improve the injection efficiency of the battery during the replacement.

Disclosure of Invention

The invention aims to: aiming at the defects of the prior art, the method for quickly adjusting the liquid injection amount can be used for quickly and accurately calculating the liquid injection amount of the battery after the battery is remodeled, so that the problem of low liquid injection efficiency caused by manual debugging is solved, the production efficiency is improved, the waste of electrolyte in the debugging process is reduced, and the production cost is saved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a method for quickly adjusting the liquid injection amount comprises the following steps:

step one, presetting parameters: presetting the standard liquid injection amount of each type of battery;

step two, collecting data: collecting the liquid injection amount A1 of the original battery and the corresponding liquid injection times B1 of the liquid injection pump;

calculating to obtain the liquid injection amount C required to be debugged in the current type of battery according to a formula ① B2-B-A2/M and a formula ② C-A2-A1-B2/B1, wherein a parameter B is a variable, B2 is the liquid injection frequency of the liquid injection pump of the current type of lithium ion battery, A2 is the liquid injection amount of the current type of battery, A2 can be obtained through the parameters preset in the step one, and M is the single standard liquid injection amount of the liquid injection pump;

step four, debugging: and debugging according to the liquid injection amount C obtained by calculation in the third step.

As an improvement of the method for quickly adjusting the liquid injection amount in the invention, in the formula ① of the step three, if A2 can be divided by M, the liquid injection frequency B2 is B, if A2 can not be divided by M, the integer part of B of the liquid injection frequency B2 is added by one, since B2 is the liquid injection frequency, B2 must be an integer, the liquid injection amount of each time of the liquid injection pump is fixed, and if A2 can not be divided by M, the last liquid injection amount is proved to be smaller than the liquid injection amount of each time of the liquid injection pump, so that the last liquid injection amount needs to be added again.

As an improvement to the method for quickly adjusting the infusion amount in the present invention, in the fourth step, the measurement tool on the debugging device is used for debugging, and the infusion amount C is converted into the corresponding conversion value D by the measurement tool. And step four, the aim of debugging on equipment while converting the weight is to improve the debugging precision and efficiency.

As an improvement of the method for quickly adjusting the liquid injection amount, the measuring tool is a micrometer, and the debugging scale on the micrometer corresponds to each small cell and is 0.01 g. The existing liquid injection equipment is usually provided with a micrometer, and the micrometer is used for debugging, so that on one hand, materials are conveniently obtained, and weight conversion is easy to perform; on the other hand, the micrometer has high measurement and calculation precision, the debugging precision can be improved, and other measurement tools can be selected according to actual requirements.

As an improvement of the method for quickly adjusting the injection amount in the present invention, the conversion formula of the conversion value D is that D is equal to C/0.01, when D is not an integer, the debugging scale is increased by one small grid if D is a positive number, and the debugging scale is decreased by one small grid if D is a negative number.

As an improvement of the method for quickly adjusting the liquid injection amount in the present invention, the step four further includes weighing and detecting the adjusted liquid injection amount C after adjustment. The procedure of weighing detection is added, so that the result after debugging can be verified, and the accuracy of the invention is ensured.

As an improvement of the method for quickly adjusting the liquid injection amount, the weighing detection is carried out by an electronic scale, if the detection result is within the preset first detection range, the weighing detection is passed, and if the detection result is not within the preset first detection range, the weighing detection is readjusted.

As an improvement of the method for quickly adjusting the liquid injection amount in the present invention, the number of times of the weighing test is multiple. And multiple weighing tests are carried out, so that the debugging stability is ensured, meanwhile, the error can be reduced, and the accuracy is improved.

As an improvement of the method for quickly adjusting the injection amount in the present invention, the range of A2 is 2g to 15 g.

As an improvement of the method for quickly adjusting the injection amount in the present invention, the range of M is 1g to 10 g.

Compared with the prior art, the invention has at least the following beneficial effects:

1) according to the invention, through the modes of presetting parameters, collecting data, calculating and debugging, the quick debugging of the liquid injection amount of batteries with different types is realized, and multiple manual debugging operations do not need to be carried out according to the experience and the feeling of workers, so that the liquid injection efficiency during the battery model changing is greatly improved;

2) the invention can directly obtain the debugging result through operation without wasting electrolyte, thereby saving the production cost.

Drawings

The accompanying drawings, which 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 and not to limit the invention. In the drawings:

FIG. 1 is a flow chart of the present invention;

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal ", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.