Control method for solvent dispensing of battery slurry production device, production device, and electronic device

Abstract

The present application discloses a control method for solvent dispensing of a battery slurry production device, a production device, and an electronic device. The battery slurry production device comprises a slurry container, a solvent addition assembly, and a solvent container. The slurry container is communicated with the solvent container by means of the solvent addition assembly. The method comprises: when signal interaction between the slurry container and the solvent container is normal, acquiring a first parameter value used for representing the ambient pressure inside the slurry container and a second parameter value used for representing the overall mass of the solvent container; when the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range, dispensing a solvent from the solvent container to the slurry container at a first predetermined speed; and when the second parameter value is a first mass threshold, dispensing the solvent at a second predetermined speed.

Description

Control methods for solvent addition in battery slurry production equipment, production equipment, and electronic equipment.

[0001] Cross-references to related applications

[0002] This application claims priority to Chinese Patent Application No. 202411053478.0, filed on August 2, 2024, entitled “Control method for solvent addition in battery slurry production equipment, production equipment, electronic equipment”, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of slurry preparation technology, and in particular to a control method for solvent addition in battery slurry production equipment, production equipment, and electronic equipment. Background Technology

[0004] Lithium-ion batteries, as a representative of power batteries, are widely used in electric vehicles, electric bicycles, and various types of power tools and other large and medium-sized electric equipment due to their high specific energy and cycle life. With the development of the lithium battery industry, people are paying increasing attention to the performance of lithium batteries and their large-scale production.

[0005] As a crucial step in battery manufacturing, slurry preparation directly impacts various battery performance characteristics, thus attracting increasing attention. An indispensable part of the slurry preparation process is the addition of solvents.

[0006] The existing solvent addition process is affected by various factors such as container pressure, solvent addition amount, and the continuity of automated equipment, resulting in large fluctuations in slurry quality and even unqualified slurry. How to achieve a balance between solvent addition efficiency and addition accuracy is an urgent problem to be solved.

[0007] Summary of the Invention

[0008] This application provides a control method, production equipment, and electronic equipment for solvent addition in battery slurry production equipment. It achieves highly precise solvent addition while maintaining solvent addition efficiency, thereby enabling stable and continuous slurry production with consistent slurry quality. The entire process is highly automated and saves labor costs. This application also provides a readable storage medium and computer program product capable of achieving the above effects.

[0009] In a first aspect, this application provides a control method for solvent filling in a battery slurry production equipment. The battery slurry production equipment includes a slurry container and a solvent container, as well as signal components respectively disposed in the slurry container and the solvent container. The method includes:

[0010] Under normal signal interaction between the slurry container and the solvent container, obtain a first parameter value to characterize the environmental pressure inside the slurry container and a second parameter value to characterize the overall mass of the solvent container;

[0011] When the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range, the solvent is added from the solvent container to the slurry container at a first predetermined rate.

[0012] The second parameter value is a first mass threshold, and the solvent is added at a second predetermined speed, wherein the second predetermined speed is less than the first predetermined speed.

[0013] The control method of this application is applied in battery slurry production equipment. Solvent is added when the signal interaction between the slurry container and the solvent container is correct. When the first parameter value is within the first preset threshold range and the second parameter value of the solvent container is within the second preset threshold range, the solvent is added at a first predetermined speed. When the solvent is added to a certain specific mass, i.e., the first mass threshold, it is added at a second predetermined speed, realizing that the solvent is added at different speeds. The second predetermined speed is less than the first predetermined speed, and the speed is even lower in the later stage of addition, and the addition amount is more accurate. This control method can shorten the solvent addition time, improve the accuracy of the added solvent amount, and prevent the addition of the wrong amount of solvent after the signal interaction fails, while taking into account the solvent addition efficiency.

[0014] According to one embodiment of this application, when the signal interaction between the slurry container and the solvent container is normal, the following is included:

[0015] The slurry container sends a solvent filling request signal to the solvent container;

[0016] Upon receiving the solvent filling request signal, the solvent container sends a solvent filling permission signal to the slurry container;

[0017] The slurry container receives the solvent filling permission signal and sends a solvent filling confirmation signal to the solvent container.

[0018] According to one embodiment of this application, in the solvent dispensing operation mode, the method further includes:

[0019] The slurry container sends a solvent filling signal to the solvent container and receives a solvent filling completion signal or a first solvent filling pause signal from the solvent container.

[0020] According to one embodiment of this application, the method further includes:

[0021] The solvent container sends an abnormal solvent filling signal to the slurry container, and the slurry container displays a second solvent filling pause signal.

[0022] According to one embodiment of this application, the battery slurry production equipment includes an adjustment component disposed in the slurry container for adjusting the environment of the slurry container, the adjustment component including an inflation component; the method further includes: if the first parameter value is less than the lower limit of a first preset threshold range, activating the inflation component to increase the pressure of the slurry container, and returning to the method of obtaining the first parameter value used to characterize the environmental pressure inside the slurry container.

[0023] According to one embodiment of this application, when the signal interaction between the slurry container and the solvent container is normal, the method includes:

[0024] The slurry container sends a solvent filling signal to the solvent container via a first line and a second line, respectively; the solvent filling signal includes a first solvent filling signal transmitted via the first line and a second solvent filling signal transmitted via the second line;

[0025] Based on the matching of the first solvent filling signal and the second solvent filling signal received by the solvent container,

[0026] Send a first alarm signal; or, return the first parameter value used to characterize the environmental pressure inside the slurry container.

[0027] The first solvent filling signal and the second solvent filling signal respectively include the amount of solvent already filled and the amount of solvent not yet filled.

[0028] According to one embodiment of this application, the method further includes:

[0029] Obtain the time of the last solvent addition to get the time interval between the last solvent addition and the last solvent addition.

[0030] If the time interval is less than or equal to the fifth preset threshold, a second alarm signal is sent.

[0031] According to one embodiment of this application, the method further includes:

[0032] If the time interval is greater than a fifth preset threshold, the solvent is added, and the slurry container sends a solvent adding signal to the solvent container.

[0033] According to one embodiment of this application, the method further includes: when the second parameter value is a second mass threshold, solvent dispensing is stopped.

[0034] According to one embodiment of this application, the slurry container is connected to the solvent container via a solvent addition component, and the second parameter value is a second mass threshold and the solvent addition is stopped during the operating mode. The method further includes:

[0035] The mass change value of the solvent container is obtained based on multiple values ​​of the second parameter;

[0036] The liquid level drop value of the solvent container and the solvent delivery rate of the solvent addition component are obtained;

[0037] Based on the matching relationship between the mass change value of the solvent container, the liquid level drop value of the solvent container, and the solvent delivery amount of the solvent addition component, within a first mapping threshold, the slurry container sends a solvent addition completion signal to the solvent container.

[0038] According to one embodiment of this application, where the second parameter value is a second mass threshold and the solvent dispensing stop operation mode, the method further includes:

[0039] Based on the matching relationship between the mass change value of the solvent container, the liquid level drop value of the solvent container, and the solvent delivery amount of the solvent adding component, within the second mapping threshold, a third alarm reminder signal is sent.

[0040] According to one embodiment of this application, the method further includes:

[0041] If the value of the second parameter is less than the third quality threshold, a fourth alarm signal is sent.

[0042] According to one embodiment of this application, the battery slurry production equipment includes a solvent filling assembly, the solvent filling assembly includes a filling pipeline, and the method further includes:

[0043] Obtain the pipeline operating parameters of the filling pipeline;

[0044] If the pipeline operating parameters meet the predetermined conditions, the solvent addition is paused, and the battery slurry production equipment displays a third solvent addition pause signal and / or issues a fifth alarm reminder signal.

[0045] According to an embodiment of one aspect of this application, the predetermined conditions include one or more of the following conditions:

[0046] 1) Any pressure value among the third parameter values ​​at the first location of the filling pipeline exceeds the first pressure threshold;

[0047] 2) The third parameter value at the first location of the filling pipeline includes the first pipeline pressure value and the second pipeline pressure value obtained in adjacent time periods, and the difference between the first pipeline pressure value and the second pipeline pressure value exceeds the second pressure preset value.

[0048] 3) The mass of solvent flowing through the first position of the filling pipeline per unit time and the corresponding change in the value of the second parameter per unit time are greater than the fourth mass threshold;

[0049] 4) The preset data relationship between any two sets of data, including the third parameter value, the second parameter value, and the power pump speed in the first position of the filling pipeline, does not satisfy the corresponding preset value.

[0050] Secondly, embodiments of this application provide a battery slurry production apparatus, the battery slurry production apparatus including a slurry container, a solvent container, and signal components respectively disposed in the slurry container and the solvent container; the battery slurry production apparatus includes:

[0051] The pressure acquisition module is used to acquire the first parameter value of the slurry container when the signal interaction is normal.

[0052] The quality acquisition module is used to acquire the second parameter value of the solvent container when the signal interaction is normal.

[0053] The first control module is used to add solvent at a first predetermined rate when the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range.

[0054] The second control module is used to add the solvent at a second predetermined speed when the value of the second parameter is a first mass threshold, wherein the second predetermined speed is less than the first predetermined speed.

[0055] Thirdly, embodiments of this application provide an electronic device, the device comprising: a processor and a memory storing computer program instructions;

[0056] When the processor executes the computer program instructions, it implements the method as described in the first aspect.

[0057] Fourthly, embodiments of this application provide a readable storage medium on which a program or instructions are stored, which, when executed by a processor, implement the method described in the first aspect.

[0058] Fifthly, embodiments of this application provide a computer program product that, when executed by a processor, implements the method described in the first aspect.

[0059] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0060] The features, advantages, and technical effects of exemplary embodiments of this application will now be described with reference to the accompanying drawings.

[0061] Figure 1 is a schematic diagram of the structure of a battery slurry production equipment provided in some embodiments of this application.

[0062] Figure 2 is a schematic flowchart of a control method for solvent addition in a battery slurry production equipment provided in an embodiment of this application.

[0063] Figure 3 is a schematic diagram of the signal interaction between the slurry container and the solvent container provided in an embodiment of this application.

[0064] Figure 4 is a schematic flowchart of a control method for solvent addition in a battery slurry production equipment provided in an embodiment of this application.

[0065] Figure 5 is a structural schematic diagram of a battery slurry production equipment provided in an embodiment of this application.

[0066] Figure 6 shows a schematic diagram of the structure of the electronic device provided in an embodiment of this application.

[0067] Explanation of reference numerals in the attached figures:

[0068] 100. Battery slurry production equipment; 110. Slurry container; 111. First pressure sensor; 112. Stirring paddle; 113. Dispersion disc; 114. First tank; 115. Vacuum valve; 116. Vacuum release valve; 117. Dust removal device exhaust valve; 118. First signal component; 200. Solvent filling component; 201. First discharge valve; 202. Second pressure sensor; 203. Mass flow meter; 204. Second discharge valve; 205. Third pressure sensor; 206. Third discharge valve; 207. Magnetic pump; 208. Second signal component; 300. Solvent container; 301. Fourth pressure sensor; 302. Liquid level sensor; 303. Third signal component; 501. Pressure acquisition module; 502. Mass acquisition module; 503. First control module; 504. Second control module. Detailed Implementation

[0069] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0070] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in the description of this application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the description, claims, and accompanying drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the description, claims, or accompanying drawings of this application are used to distinguish different objects, not to describe a specific order or hierarchy.

[0071] In this embodiment of the application, the battery can be a secondary battery, which refers to a battery that can be used again after being discharged by recharging to activate the active materials.

[0072] Batteries may include, but are not limited to, lithium-ion batteries, sodium-ion batteries, sodium-lithium-ion batteries, lithium metal batteries, sodium metal batteries, lithium-sulfur batteries, magnesium-ion batteries, nickel-metal hydride battery cells, nickel-cadmium batteries, lead-acid batteries, etc.

[0073] As an example, the battery can be a cylindrical battery, a prismatic battery cell, or a battery of other shapes. Prismatic battery cells include prismatic batteries, blade-shaped batteries, and multi-prismatic batteries, such as hexagonal prismatic batteries. This application does not have any particular limitations.

[0074] Battery slurry typically refers to a mixture of electrode materials used in battery manufacturing. It is generally a suspension composed of active materials, conductive agents, binders, and solvents, primarily used to create the positive and negative electrodes. The combination and proportion of the components in the battery slurry directly affect the battery's performance and lifespan. The quality of the battery slurry directly impacts the battery's performance, cycle life, and safety. Therefore, the preparation and processing of the slurry are crucial in battery manufacturing.

[0075] The process of preparing battery slurry typically involves mixing active materials, conductive agents, and binders with solvents in a specific ratio to form a homogeneous suspension, i.e., the battery slurry. The mixing process generally utilizes a slurry container 110, which includes a stirring assembly. Accurate addition of the solvent is crucial for achieving stable and high-quality slurry production.

[0076] For ease of explanation, we will take the battery slurry production equipment 100 as an example.

[0077] Figure 1 is a schematic diagram of the structure of a battery slurry production equipment provided in some embodiments of this application.

[0078] As shown in Figure 1, the battery slurry production equipment 100 includes a slurry container 110, a solvent container 300, and a solvent dispensing assembly 200. The solvent dispensing assembly 200 is connected to both the slurry container 110 and the solvent container 300, and is used to transport the solvent in the solvent container 300 to the slurry container 110. The battery slurry production equipment 100 includes the slurry container 110 and the solvent container 300, as well as signal components respectively disposed in the slurry container 110 and the solvent container 300. The signal components include a first signal component 118 disposed in the slurry container 110, a third signal component 303 disposed in the solvent container 300, and a second signal component 208 disposed in the solvent dispensing assembly 200.

[0079] The slurry container 110 is internally equipped with a stirring assembly. The stirring assembly may include a stirring paddle 112 and a dispersing disc 113. A first pressure sensor 111 is internally installed in the slurry container 110 for detecting the internal pressure. The slurry container 110 is internally equipped with a regulating assembly for adjusting the internal environmental pressure. The regulating assembly includes a vacuum assembly for extracting gas from the slurry container 110 and regulating the internal pressure. The vacuum assembly includes a vacuum valve 115. The regulating assembly includes a gas filling assembly for filling the slurry container 110 with protective gas. The gas filling assembly includes a vacuum release valve 116. The regulating assembly includes a dust removal device for dust removal and exhaust, and the dust removal device includes a dust removal device exhaust valve 117. The slurry container 110 includes a first barrel 114 and an extension plate, which together form a receiving cavity for preparing the slurry and containing solvent from the solvent container 300.

[0080] Solvent container 300 can hold solvent and is used to supply solvent to slurry container 110. To allow solvent outflow and maintain pressure balance inside solvent container 300, an air inlet valve is provided. Solvent container 300 is equipped with a level sensor 302 for measuring the solvent level inside solvent container 300. Solvent container 300 is equipped with a fourth pressure sensor 301 and / or a mass sensor to reflect the solvent content / mass inside solvent container 300.

[0081] When the battery slurry production equipment 100 is running, it is necessary to coordinate and control the numerous components of the equipment to achieve stable slurry production while also considering production efficiency. A key challenge is how to accelerate the solvent addition rate while ensuring accurate solvent dosage, thereby achieving efficient and high-quality slurry production.

[0082] Furthermore, when adding solvent to the slurry container 110, the solvent can be sprayed from above the slurry container 110. This allows the slurry powder that flies up during stirring to settle down with the solvent, avoiding a decrease in the slurry's solid content. Generally, a spray pressure pump can be set up to provide a certain pressure for the spray, resulting in a better spraying effect. Therefore, how to adjust the pressure inside the slurry container 110 to accurately and timely match the solvent addition is another challenge of this application.

[0083] Based on the above problems, embodiments of this application provide a control method for a battery slurry production equipment 100. This control method can shorten the solvent addition time, improve the accuracy of the solvent addition amount, and prevent the addition of incorrect solvent amount after signal interaction failure, while taking into account the solvent addition efficiency.

[0084] The control method of the battery slurry production equipment 100 provided in the embodiments of this application will be described in detail below with reference to the accompanying drawings. Please refer to Figures 2 to 6.

[0085] Figure 2 is a schematic flowchart of a control method for solvent addition in a battery slurry production equipment according to an embodiment of this application.

[0086] Please refer to Figure 2. The control method for the battery slurry production equipment 100 includes steps 100 to 300.

[0087] Step 100: When the signal interaction between the slurry container 110 and the solvent container 300 is normal, acquire a first parameter value for characterizing the environmental pressure inside the slurry container 110 and a second parameter value for characterizing the overall mass of the solvent container 300.

[0088] In this step, the signal interaction between the slurry container 110 and the solvent container 300 is normal, allowing them to exchange information, such as first and second parameter values, and to record changes in these values. Normal signal interaction between the slurry container 110 and the solvent container 300 improves the accuracy of solvent addition and prevents the addition of incorrect amounts of solvent in the event of signal interaction failure.

[0089] Step 200: When the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range, the solvent is added from the solvent container 300 to the slurry container 110 at a first predetermined rate.

[0090] In this step, when the first parameter value is within a first preset threshold range and the second parameter value of the solvent container 300 is within a second preset threshold range, the solvent is added at a first predetermined rate. In this state, the solvent is added at a normal rate. To improve production efficiency, the value of the first predetermined rate can be slightly larger.

[0091] Step 300: The second parameter value is a first mass threshold, and the solvent is added at a second predetermined speed, wherein the second predetermined speed is less than the first predetermined speed.

[0092] In this step, when the second parameter value is the first quality threshold, it means that most of the solvent to be added has been added to the slurry container 110. At this time, the solvent container 300 only needs to add a small amount of solvent to the slurry container 110 in the subsequent stage. At this time, it is necessary to control the second predetermined speed of solvent addition to be less than the first predetermined speed to improve the accuracy of the amount of solvent added, which is beneficial to improving the slurry quality.

[0093] The control method of this application is applied in the battery slurry production equipment 100. When the signal interaction between the slurry container 110 and the solvent container 300 is correct, solvent is added. When the first parameter value is within the first preset threshold range and the second parameter value of the solvent container 300 is within the second preset threshold range, the solvent is added at a first predetermined speed. When the solvent addition reaches a certain specific mass, i.e., the first mass threshold, it is added at a second predetermined speed, realizing that the solvent is added at different speeds. The second predetermined speed is less than the first predetermined speed, and the speed is even lower in the later stage of addition, and the addition amount is more accurate. This control method can shorten the solvent addition time and improve the accuracy of the added solvent amount while taking into account the solvent addition efficiency, and prevent the addition of the wrong amount of solvent after the signal interaction fails.

[0094] In some optional embodiments, the method further includes: the second parameter value being a third mass threshold, and the solvent being added at a third predetermined speed, wherein the second predetermined speed < the third predetermined speed < the first predetermined speed or the third predetermined speed < the second predetermined speed < the first predetermined speed. In this case, using multiple solvent addition speeds achieves the effect of shortening the liquid solvent addition time and improving the addition accuracy.

[0095] In some optional embodiments, in order to achieve multiple solvent dispensing speeds and shorten the liquid solvent dispensing time and improve dispensing accuracy, the method further includes: the second parameter value is a fourth mass threshold, and the solvent is dispensed at a fourth predetermined speed, wherein the second predetermined speed < the fourth predetermined speed < the first predetermined speed or the fourth predetermined speed < the second predetermined speed < the first predetermined speed, and the fourth predetermined speed is not equal to the third predetermined speed.

[0096] Figure 3 is a schematic diagram of the signal interaction between the slurry container and the solvent container provided in an embodiment of this application.

[0097] Referring to Figure 3, the signal interaction between the slurry container 110 and the solvent container 300 includes steps 101 to 103. Wherein,

[0098] Step 101: The slurry container 110 sends a solvent filling request signal to the solvent container 300;

[0099] Step 102: Upon receiving the solvent filling request signal, the solvent container 300 sends a solvent filling permission signal to the slurry container 110;

[0100] In step 103, the slurry container 110 receives the solvent filling permission signal and sends a solvent filling confirmation signal to the solvent container 300.

[0101] In this embodiment, the signal interaction between the slurry container 110 and the solvent container 300 is normal. The slurry container 110 and the solvent container 300 send signals to each other at least twice. During the signal transmission process, the battery slurry production equipment 100 can prepare the valve position accordingly in order to prepare for solvent filling.

[0102] In addition, it is necessary to ensure normal signal interaction between the two devices during the solvent filling process so that the corresponding steps / processes can be returned to the corresponding positions, making the whole method recoverable and automating the handling of corresponding situations.

[0103] In some optional embodiments, when the solvent is being dispensed, the method further includes:

[0104] Step 104: The slurry container 110 sends a solvent filling signal to the solvent container 300 and receives a solvent filling completion signal or a first solvent filling pause signal from the solvent container 300.

[0105] In this embodiment, during the solvent filling process, the slurry container 110 sends a solvent filling signal to the solvent container 300, which can record the amount of solvent being filled and the filling time, avoiding the loss of interaction signals midway and causing the filling to be paused, and realizing rapid troubleshooting and resumption of filling; it can also solve problems such as adding too much at once and repeated filling multiple times.

[0106] In some optional implementations, the method further includes:

[0107] The solvent container 300 sends an abnormal solvent filling signal to the slurry container, and the slurry container displays a second solvent filling pause signal.

[0108] In this embodiment, if the first parameter value is not within the first preset threshold range and / or the second parameter value of the solvent container 300 is not within the second preset threshold range, the solvent container 300 sends an abnormal solvent filling signal to the slurry container, which can cause the solvent container 300 to shut down the corresponding invention to the slurry container; it can also display a second solvent filling pause signal to facilitate the discovery and handling of the problem.

[0109] In some optional embodiments, the battery slurry production equipment 100 includes a regulating component disposed in the slurry container 110 for regulating the environment of the slurry container 110, the regulating component including an aeration component; the method further includes:

[0110] Step 400: If the first parameter value is less than the lower limit of the first preset threshold range, activate the inflation component to increase the pressure of the slurry container 110, and return to the step of obtaining the first parameter value used to characterize the environmental pressure inside the slurry container 110.

[0111] In this embodiment, when the battery slurry production equipment 100 detects a first parameter value and determines that the first parameter value is less than the lower limit of a first preset threshold range, the battery slurry production equipment 100 can automatically activate the inflation component to increase the pressure of the slurry container 110. It then returns to obtain the first parameter value used to characterize the internal environmental pressure of the slurry container 110, re-evaluates the relationship between the first parameter value and the first preset threshold range, and thus automatically proceeds to the next solvent addition process.

[0112] In some alternative embodiments, assuming normal signal interaction between the slurry container 110 and the solvent container 300,

[0113] Step 104 may specifically include: the slurry container 110 sending a solvent filling signal to the solvent container 300 via a first line and a second line respectively; the solvent filling signal includes a first solvent filling signal transmitted via the first line and a second solvent filling signal transmitted via the second line;

[0114] Accordingly, the method may include: step 500, based on the matching of the first solvent dispensing signal and the second solvent dispensing signal received by the solvent container 300,

[0115] Send a first alarm signal; or, return to the first parameter value used to characterize the environmental pressure inside the slurry container 110.

[0116] The first solvent filling signal and the second solvent filling signal respectively include the amount of solvent already filled and the amount of solvent not yet filled.

[0117] In this embodiment, the slurry container 110 sends a solvent-filling signal to the solvent container 300 via a first line and a second line, respectively. The solvent-filling signal, transmitted through both lines, includes relevant solvent filling information, such as the amount of solvent already added and the amount of solvent not yet added. When the information in the first solvent-filling signal and the second solvent-filling signal matches, the method returns to obtain a first parameter value characterizing the internal environmental pressure of the slurry container 110, and the slurry container 110 continues to send the solvent-filling signal to the solvent container 300. When the information in the first solvent-filling signal and the second solvent-filling signal does not match, a first alarm signal is sent to facilitate timely detection and resolution of the problem, thereby achieving precise solvent addition.

[0118] In this embodiment, during the mass production of slurry, the battery slurry production equipment 100 may include multiple solvent containers 300 and slurry containers 110. For example, one solvent container 300 can supply solvent to multiple slurry containers 110. The solvent container 300 and the slurry container 110 interact with each other through a dual-path signal, which can avoid incorrect addition of solvent to other slurry containers 110 due to incorrect addition signal, and realize accurate addition of solvent to any slurry container 110.

[0119] The first and second lines are used to ensure that the signals are double-confirmed. The first solvent filling signal and the second solvent filling signal include the amount of solvent filled and the amount of solvent not filled, respectively. This information can be used to quickly identify problems and quickly resume solvent filling, prevent filling failure after solvent filling is interrupted, improve the accuracy of solvent addition and improve production efficiency.

[0120] Figure 4 is a schematic flowchart of a control method for solvent addition in a battery slurry production equipment according to an embodiment of this application.

[0121] Please refer to Figure 4. The control method for solvent addition in the battery slurry production equipment 100 includes steps 600 to 800.

[0122] Step 600: Obtain the time of the last solvent addition to get the time interval between the last solvent addition and the previous addition.

[0123] This step may specifically include: step 601, obtaining the time of the last solvent filling; and step 602, obtaining the time interval between the last solvent filling and the previous solvent filling based on the time of the last solvent filling.

[0124] Step 700: If the time interval is less than or equal to the fifth preset threshold, a second alarm reminder signal is sent.

[0125] In step 800, if the time interval is greater than the fifth preset threshold, the solvent is added, and the slurry container 110 sends a solvent adding signal to the solvent container 300.

[0126] In this embodiment, step 600 can be set after step 200. During solvent addition, the method of this application can record the solvent addition time. By recording the solvent addition time or recalling the solvent addition time, the solvent addition time interval is determined. If the time interval is less than or equal to a fifth preset threshold, a second alarm signal can be sent to prevent operator error in starting addition, repeated repetition of the same addition process, etc., which could lead to the scrapping of the entire tank of solvent slurry. If the time interval is greater than the fifth preset threshold, the solvent addition speed can be a first speed, a second speed, or any speed. At this time, solvent is still being added, and the relevant signal components execute the slurry container 110 to send a solvent addition in progress signal to the solvent container 300.

[0127] In some optional embodiments, the method further includes: step 900, where the second parameter value is a second mass threshold, and solvent dispensing is stopped.

[0128] In this embodiment, the second parameter value is a second mass threshold, which can be understood as stopping solvent addition when the amount of solvent added reaches a predetermined value. This avoids the waste of the entire tank of solvent slurry caused by adding too much solvent at once. The second parameter value being a second mass threshold can also be understood as meaning that adding solvent to the slurry container is not advisable if the solvent mass is below the second mass threshold, as this may cause related problems. Therefore, setting the second parameter value to a second mass threshold stops solvent addition.

[0129] In some optional implementations, after step 900, when the second parameter value is a second mass threshold and the solvent dispensing is stopped during the operating mode, the method further includes:

[0130] The mass change value of the solvent container 300 is obtained based on multiple values ​​of the second parameter;

[0131] The liquid level drop value of the solvent container 300 and the solvent delivery amount of the solvent adding component are obtained;

[0132] Based on the mass change value of the solvent container 300, the liquid level drop value of the solvent container 300, and the matching relationship of the solvent delivery amount of the solvent addition component within the first mapping threshold, the slurry container 110 sends a solvent addition completion signal to the solvent container 300.

[0133] In this embodiment, the second parameter value being a second mass threshold and the solvent stopping operation mode can be understood as solvent addition stopping. It is necessary to determine the accuracy of the solvent addition and whether it was a normal addition. If the matching relationship between the mass change value of the solvent container 300, the liquid level drop value of the solvent container 300, and the solvent delivery volume of the solvent addition component is within the first mapping threshold, it indicates that the solvent addition was a normal addition. The solvent addition completion signal sent by the slurry container 110 to the solvent container 300 indicates that the solvent addition was completed normally and smoothly. If the matching relationship between the mass change value of the solvent container 300, the liquid level drop value of the solvent container 300, and the solvent delivery volume of the solvent addition component is not within the first mapping threshold, the corresponding parameters need to be detected and judged to avoid situations such as over-addition, under-addition, or accidental start-up of solvent.

[0134] In some optional implementations, after step 900, when the second parameter value is a second mass threshold and the solvent dispensing is stopped during the operating mode, the method further includes:

[0135] Based on the matching relationship between the mass change value of the solvent container 300, the liquid level drop value of the solvent container 300, and the solvent delivery amount of the solvent adding component, within the second mapping threshold, a third alarm reminder signal is sent.

[0136] In this embodiment, if the matching relationship between the mass change value of the solvent container 300, the liquid level drop value of the solvent container 300, and the solvent delivery amount of the solvent adding component is within the second mapping threshold, a third alarm signal is sent. Correspondingly, the corresponding parameters need to be detected and judged to prevent situations such as over-addition, under-addition, or accidental activation of the solvent. For example, if the theoretically corresponding solvent mass change value is less than the measured mass change value of the solvent container 300, it indicates that there may be a leak in the pipeline of the solvent adding component, or that solvent has been delivered to other slurry containers 110. Various problems need to be checked, and the third alarm signal indicates that the corresponding problem needs to be checked.

[0137] In some optional implementations, the method further includes:

[0138] If the value of the second parameter is less than the third quality threshold, a fourth alarm signal is sent.

[0139] In this embodiment, the second parameter value being less than the third mass threshold can be understood as: the solvent mass in solvent container 300 is insufficient, requiring the addition of solvent to solvent container 300 to avoid pausing the solvent adding process. The second parameter value being less than the third mass threshold can also be understood as: in the initial stage before solvent addition, the solvent in solvent container 300 needs to be greater than or equal to the third mass threshold. If the amount in solvent container 300 is insufficient at this time, a predetermined amount of solvent can be added to slurry container 110, and a fourth alarm signal will be issued to remind the user to perform the solvent addition operation.

[0140] Referring to Figure 1, the solvent dispensing assembly 200 includes multiple solvent valves. These valves include a first discharge valve 201, a second discharge valve 204, and a third discharge valve 206. The assembly also includes multiple pressure sensors for detecting pressure in the solvent line, including a second pressure sensor 202 and a third pressure sensor 205. Furthermore, the assembly includes a mass flow meter 203 for detecting the mass or flow rate of solvent passing through the solvent line. Finally, the assembly includes a magnetic pump 207 for powering the solvent transfer.

[0141] When the battery slurry production equipment 100 is in operation, the solvent container 300 transfers solvent to the slurry container 110 through the solvent filling component 200. The battery slurry production equipment 100 includes numerous components and valves. How to coordinate and control the slurry preparation process and detect various unforeseen situations that may affect the slurry quality under different conditions is a major challenge.

[0142] In some optional embodiments, the battery slurry production equipment 100 includes a solvent dispensing assembly 200, the solvent dispensing assembly 200 including dispensing lines, and the method further includes:

[0143] Obtain the pipeline operating parameters of the filling pipeline;

[0144] If the pipeline operating parameters meet the predetermined conditions, the solvent addition is paused, and the battery slurry production equipment 100 displays a third solvent addition pause signal and / or issues a fifth alarm reminder signal.

[0145] In this embodiment, during the solvent filling process, the pressure, flow rate, valves, and pump status of the filling pipeline need to be monitored throughout to ensure a smooth and safe filling process and prevent pipeline explosions and material spraying risks. If the pipeline operating parameters meet predetermined conditions, it indicates that there are some problems with the solvent filling, and the solvent filling needs to be suspended. Based on this, the battery slurry production equipment 100 can display a third solvent filling suspension signal and / or issue a fifth alarm reminder signal.

[0146] In some alternative implementations, the predetermined conditions include one or more of the following conditions:

[0147] 1) Any pressure value among the third parameter values ​​at the first location of the filling pipeline exceeds the first pressure threshold;

[0148] 2) The third parameter value at the first location of the filling pipeline includes the first pipeline pressure value and the second pipeline pressure value obtained in adjacent time periods, and the difference between the first pipeline pressure value and the second pipeline pressure value exceeds the second pressure preset value.

[0149] 3) The mass of solvent flowing through the first position of the filling pipeline per unit time and the corresponding change in the value of the second parameter per unit time are greater than the fourth mass threshold;

[0150] 4) The preset data relationship between any two sets of data, including the third parameter value, the second parameter value, and the power pump speed in the first position of the filling pipeline, does not satisfy the corresponding preset value.

[0151] In this embodiment, in any one or more of the above-mentioned situations, it indicates that there are some problems with solvent addition, and solvent addition needs to be suspended. Based on this, the battery slurry production equipment 100 can display a third solvent addition suspension signal and / or issue a fifth alarm reminder signal.

[0152] In some optional embodiments, the method further includes, based on the pipeline operating parameters meeting predetermined conditions:

[0153] The solvent container 300 sends an abnormal signal during solvent filling to the slurry container.

[0154] In this embodiment, under these circumstances, the slurry container 110 is subjected to handling of the abnormal situation;

[0155] Once the abnormal situation has been handled, a solvent filling continuation signal is sent to the solvent container 300, and a solvent filling completion signal or a first solvent filling pause signal is sent to the solvent container 300.

[0156] In some optional embodiments, in the operating mode where the solvent container 300 sends a solvent filling completion signal or a solvent filling pause signal, the method further includes:

[0157] The slurry container 110 sends a solvent filling process signal to the solvent container 300 to reset.

[0158] In some alternative implementations, after step 200 or step 300, the method includes:

[0159] The solvent flow rate in the solvent dispensing assembly 200 and the mass reduction of the solvent container 300 are obtained;

[0160] Based on the matching relationship between the solvent flow rate and the mass reduction, the battery slurry production equipment 100 displays whether the solvent filling is abnormal.

[0161] In this embodiment, it is necessary to determine whether the actual amount of solvent added is abnormal during the solvent addition process. This is determined by matching the actual added mass (mass reduction) with the solvent flow rate. If they match, the deviation is small, and the solvent addition process is normal; otherwise, it is abnormal. Adding this setting to the method ensures that the mass added in a single batch is within the allowable deviation range, thus achieving controllable slurry quality.

[0162] Figure 5 is a schematic diagram of a battery slurry production equipment provided in an embodiment of this application.

[0163] Please refer to Figure 5. The battery slurry production equipment 100 includes:

[0164] The pressure acquisition module 501 is used to acquire the first parameter value of the slurry container 110 when the signal interaction is normal.

[0165] The quality acquisition module 502 is used to acquire the second parameter value of the solvent container 300 when the signal interaction is normal.

[0166] The first control module 503 is used to add solvent at a first predetermined rate when the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range.

[0167] The second control module 504 is used to add the solvent at a second predetermined speed when the value of the second parameter is a first mass threshold, wherein the second predetermined speed is less than the first predetermined speed.

[0168] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0169] The third control module is used to stop solvent dispensing when the value of the second parameter is the second mass threshold.

[0170] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0171] The fourth control module is used to add solvent at a third predetermined speed when the second parameter value is the third mass threshold, wherein the second predetermined speed < the third predetermined speed < the first predetermined speed or the third predetermined speed < the second predetermined speed < the first predetermined speed.

[0172] In some optional embodiments, in order to achieve multiple solvent dispensing speeds, shorten liquid solvent dispensing time, and improve dispensing accuracy, the battery slurry production equipment 100 includes:

[0173] The fifth control module is used to add solvent at a fourth predetermined speed when the second parameter value is the fourth mass threshold, wherein the second predetermined speed < the fourth predetermined speed < the first predetermined speed or the fourth predetermined speed < the second predetermined speed < the first predetermined speed, and the fourth predetermined speed is not equal to the third predetermined speed.

[0174] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0175] Slurry container 110 and solvent container 300; and

[0176] A first signal component 118 disposed in the slurry container 110 is configured to send a solvent filling request signal to the solvent container 300 and receive the solvent filling permission signal, send a solvent filling confirmation signal to the solvent container 300, and send a solvent filling in progress signal to the solvent container 300 until a solvent filling completion signal or a first solvent filling pause signal is received from the solvent container 300.

[0177] A third signal component 303 is provided in the solvent container 300; it is used to receive the solvent filling request signal, send a solvent filling permission signal to the slurry container 110, and send an abnormal solvent filling signal to the slurry container, wherein the slurry container displays a second solvent filling pause signal.

[0178] In some optional embodiments, the battery slurry production equipment 100 includes: an adjustment component disposed in the slurry container 110 for adjusting the environment of the slurry container 110, the adjustment component including an aeration component; the battery slurry production equipment 100 further includes:

[0179] The sixth control module is used to activate the inflation component to increase the pressure of the slurry container 110 when the first parameter value is less than the lower limit of the first preset threshold range, and return the first parameter value used to characterize the environmental pressure inside the slurry container 110.

[0180] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0181] A first signal transmission line is used for the slurry container 110 to send a solvent filling signal to the solvent container 300 via the first line; the solvent filling signal includes a first solvent filling signal transmitted via the first line.

[0182] A second signal transmission line is used for the slurry container 110 to send a solvent filling signal to the solvent container 300 via the second line; the solvent filling signal includes a second solvent filling signal transmitted via the second line.

[0183] The seventh control module is used to send a first alarm signal based on the matching of the first solvent filling signal and the second solvent filling signal received by the solvent container 300; or, return the first parameter value used to characterize the environmental pressure inside the slurry container 110.

[0184] The first solvent filling signal and the second solvent filling signal respectively include the amount of solvent already filled and the amount of solvent not yet filled.

[0185] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0186] The first-time acquisition module is used to obtain the time of the last solvent filling;

[0187] The first time calculation module is used to obtain the time interval between the previous solvent addition and the previous solvent addition, based on the time of the previous solvent addition.

[0188] The eighth control module is used to send a second alarm reminder signal when the time interval is less than or equal to the fifth preset threshold.

[0189] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0190] The ninth control module is used to add solvent when the time interval is greater than the fifth preset threshold, and to send a solvent adding signal from the slurry container 110 to the solvent container 300.

[0191] In some optional embodiments, the slurry container 110 is connected to the solvent container 300 via a solvent addition assembly, and the battery slurry production equipment 100 includes:

[0192] The first mass calculation module is used to obtain the mass change value of the solvent container 300 based on multiple second parameter values;

[0193] The first acquisition module is used to acquire the liquid level drop value of the solvent container 300 and the solvent delivery amount of the solvent adding component;

[0194] The tenth control module is used to send a solvent filling completion signal from the slurry container 110 to the solvent container 300 within a first mapping threshold based on the matching relationship between the mass change value of the solvent container 300, the liquid level drop value of the solvent container 300, and the solvent delivery amount of the solvent adding component, and to send a third alarm reminder signal within a second mapping threshold based on the matching relationship between the mass change value of the solvent container 300, the liquid level drop value of the solvent container 300, and the solvent delivery amount of the solvent adding component.

[0195] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0196] The eleventh control module is used to send a fourth alarm signal when the value of the second parameter is less than the third quality threshold.

[0197] In some optional embodiments, the battery slurry production equipment 100 includes a solvent dispensing assembly 200, the solvent dispensing assembly 200 including dispensing lines, and the battery slurry production equipment 100 includes:

[0198] The second acquisition module is used to acquire the pipeline operating parameters of the filling pipeline;

[0199] The twelfth control module is used to pause solvent addition when the pipeline operating parameters meet predetermined conditions, and the battery slurry production equipment 100 displays a third solvent addition pause signal and / or issues a fifth alarm reminder signal.

[0200] In some alternative implementations, the predetermined conditions include one or more of the following conditions:

[0201] 1) Any pressure value among the third parameter values ​​at the first location of the filling pipeline exceeds the first pressure threshold;

[0202] 2) The third parameter value at the first location of the filling pipeline includes the first pipeline pressure value and the second pipeline pressure value obtained in adjacent time periods, and the difference between the first pipeline pressure value and the second pipeline pressure value exceeds the second pressure preset value.

[0203] 3) The mass of solvent flowing through the first position of the filling pipeline per unit time and the corresponding change in the value of the second parameter per unit time are greater than the fourth mass threshold;

[0204] 4) The preset data relationship between any two sets of data, including the third parameter value, the second parameter value, and the power pump speed in the first position of the filling pipeline, does not satisfy the corresponding preset value.

[0205] In some alternative embodiments, the battery slurry production equipment 100 includes:

[0206] The third acquisition module is used to acquire the solvent flow rate in the solvent filling assembly 200 and the mass reduction of the solvent container 300.

[0207] The thirteenth control module is used to display whether the solvent filling is abnormal based on the matching relationship between the solvent flow rate and the mass reduction.

[0208] Figure 6 shows a schematic diagram of the structure of the electronic device provided in an embodiment of this application.

[0209] Electronic devices may include a processor 801 and a memory 802 storing computer program instructions.

[0210] Specifically, the processor 801 may include a central processing unit (CPU), an application-specific integrated circuit (ASIC), or one or more integrated circuits that can be configured to implement the embodiments of this application.

[0211] Memory 802 may include mass storage for data or instructions. For example, and not limitingly, memory 802 may include a hard disk drive (HDD), floppy disk drive, flash memory, optical disk, magneto-optical disk, magnetic tape, or Universal Serial Bus (USB) drive, or a combination of two or more of these. Where appropriate, memory 802 may include removable or non-removable (or fixed) media. Where appropriate, memory 802 may be internal or external to the integrated gateway disaster recovery device. In a particular embodiment, memory 802 is non-volatile solid-state memory.

[0212] The memory may include read-only memory (ROM), random access memory (RAM), disk storage media devices, optical storage media devices, flash memory devices, and electrical, optical, or other physical / tangible memory storage devices. Therefore, typically, memory includes one or more tangible (non-transitory) computer-readable storage media (e.g., memory devices) encoded with software including computer-executable instructions, and when the software is executed (e.g., by one or more processors), it is operable to perform the control method for solvent dispensing in a battery slurry production apparatus according to this application.

[0213] The processor 801 reads and executes computer program instructions stored in the memory 802 to implement the control method of any of the battery slurry production equipment in the above embodiments.

[0214] In one example, the electronic device may also include a communication interface 803 and a bus 810. As shown in Figure 6, the processor 801, memory 802, and communication interface 803 are connected via bus 810 and communicate with each other.

[0215] The communication interface 803 is mainly used to realize communication between various modules, devices, units and / or equipment in the embodiments of this application.

[0216] Bus 810 includes hardware, software, or both, that couples components of a device for detecting anomalous behavior together. For example, and not limitingly, the bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), HyperTransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an Infinite Bandwidth Interconnect, a Low Pin Count (LPC) bus, a memory bus, a Microchannel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a Video Electronics Standards Association Local (VLB) bus, or other suitable buses, or combinations of two or more of these. Where appropriate, bus 810 may include one or more buses. Although specific buses are described and illustrated in embodiments of this application, any suitable bus or interconnect is contemplated herein.

[0217] Alternatively, embodiments of this application can be implemented using a computer storage medium. This computer storage medium stores computer program instructions; when these computer program instructions are executed by a processor, they implement any of the solvent addition control methods for the battery slurry production equipment described in the above embodiments.

[0218] This application provides a computer program product, which is stored in a storage medium and executed by at least one processor to implement the various processes of any of the control methods for solvent addition in the battery slurry production equipment of this application as described in the above embodiments, and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0219] It should be clarified that this application is not limited to the specific configurations and processes described above and shown in the figures. For the sake of brevity, detailed descriptions of known methods are omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method process of this application is not limited to the specific steps described and shown. Those skilled in the art can make various changes, modifications, and additions, or change the order of steps, after understanding the spirit of this application.

[0220] The functional blocks shown in the above-described structural diagram can be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, they can be, for example, electronic circuits, application-specific integrated circuits (ASICs), appropriate firmware, plug-ins, function cards, etc. When implemented in software, the elements of this application are programs or code segments used to perform the required tasks. Programs or code segments can be stored on a machine-readable medium or transmitted over a transmission medium or communication link via data signals carried on a carrier wave. "Machine-readable medium" can include any medium capable of storing or transmitting information. Examples of machine-readable media include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency (RF) links, etc. Code segments can be downloaded via computer networks such as the Internet, intranets, etc.

[0221] It should also be noted that the exemplary embodiments mentioned in this application describe methods or systems based on a series of steps or apparatus. However, this application is not limited to the order of the above steps; that is, the steps can be performed in the order mentioned in the embodiments, or in a different order, or several steps can be performed simultaneously.

[0222] The aspects of this disclosure have been described above with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this disclosure. It should be understood that each block in the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing apparatus to produce a machine such that these instructions, executable via the processor of the computer or other programmable data processing apparatus, enable the implementation of the functions / actions specified in one or more blocks of the flowchart illustrations and / or block diagrams. Such a processor can be, but is not limited to, a general-purpose processor, a special-purpose processor, a special application processor, or a field-programmable logic circuit. It is also understood that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can also be implemented by special-purpose hardware performing the specified functions or actions, or can be implemented by a combination of special-purpose hardware and computer instructions.

[0223] The above description is merely a specific implementation of this application. Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, modules, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here. It should be understood that the protection scope of this application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and these modifications or substitutions should all be covered within the protection scope of this application.

Claims

1. A method of controlling solvent filling of a battery slurry production apparatus, characterized by, The battery slurry production equipment includes a slurry container, a solvent adding assembly, a solvent container, and signal assemblies respectively arranged in the slurry container and the solvent container, the slurry container is communicated with the solvent container through the solvent adding assembly, and the method comprises the following steps: In the case that the signal interaction between the slurry container and the solvent container is normal, a first parameter value for representing the environmental pressure inside the slurry container and a second parameter value for representing the overall mass of the solvent container are obtained; When the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range, the solvent is added from the solvent container to the slurry container at a first predetermined speed; When the second parameter value is a first mass threshold, the solvent is added at a second predetermined speed, wherein the second predetermined speed is smaller than the first predetermined speed; When the second parameter value is a second mass threshold and the operation mode of stopping adding the solvent, the method further comprises the following steps: According to a plurality of second parameter values, a mass change value of the solvent container is obtained; A liquid level drop value of the solvent container and a solvent delivery amount of the solvent adding assembly are obtained; Based on the matching relationship among the mass change value of the solvent container, the liquid level drop value of the solvent container, and the solvent delivery amount of the solvent adding assembly within a first mapping threshold, a solvent adding completion signal sent by the slurry container to the solvent container.

2. The method of claim 1, wherein, The case that the signal interaction between the slurry container and the solvent container is normal comprises the following steps: The slurry container sends a solvent adding request signal to the solvent container; The solvent container receives the solvent adding request signal, and sends a solvent adding permission signal to the slurry container; The slurry container receives the solvent adding permission signal, and sends a solvent adding confirmation signal to the solvent container.

3. The method of claim 2, wherein, When the solvent is in the operation mode of adding, the method further comprises the following steps: The slurry container sends a solvent adding in-process signal to the solvent container until receiving a solvent adding completion signal or a first solvent adding pause signal sent by the solvent container.

4. The method according to any one of claims 1 to 3, characterized in that, The method further comprises the following steps: The solvent container sends a solvent adding in-process abnormal signal to the slurry container, and the slurry container displays a second solvent adding pause signal.

5. The method according to any one of claims 1 to 3, characterized in that, The battery slurry production equipment comprises an adjusting assembly arranged in the slurry container for adjusting the environment of the slurry container, and the adjusting assembly comprises an air charging assembly. The method further comprises the following steps: when the first parameter value is less than the lower limit of the first preset threshold range, the air charging assembly is started to increase the pressure of the slurry container, and the first parameter value for representing the environmental pressure inside the slurry container is obtained again.

6. The method according to any one of claims 1 to 3, characterized in that, The case that the signal interaction between the slurry container and the solvent container is normal comprises the following steps: The slurry container sends a solvent adding in-process signal to the solvent container through a first line and a second line respectively; the solvent adding in-process signal comprises a first solvent adding signal transmitted through the first line and a second solvent adding signal transmitted through the second line; According to the matching condition of the first solvent adding signal and the second solvent adding signal received by the solvent container, sending a first alarm signal; or, returning the first parameter value representing the environment pressure inside the slurry container; The first solvent filling signal and the second solvent filling signal respectively include solvent filled amount and solvent unfilled amount.

7. The method according to any one of claims 1 to 3, characterized in that, The method further comprises: acquiring the time of the last solvent filling, obtaining a time interval from the last solvent filling; The time interval is less than or equal to a fifth preset threshold, and a second alarm signal is sent.

8. The method of claim 7, wherein, The method further comprises: The time interval is greater than the fifth preset threshold, and the solvent is filled, and a solvent filling signal is returned to the slurry container.

9. The method according to any one of claims 1 to 3, characterized in that, The method further comprises: the second parameter value is a second mass threshold, and the solvent stops filling.

10. The method of claim 9, wherein, The second parameter value is a second mass threshold and the solvent stops filling in the operation mode, and the method further comprises: Based on the matching relationship between the mass change value of the solvent container, the liquid level drop value of the solvent container, and the solvent delivery amount of the solvent adding assembly within a second mapping threshold, a third alarm signal is sent.

11. The method according to any one of claims 1 to 3, characterized in that, The method further comprises: The second parameter value is less than a third mass threshold, and a fourth alarm signal is sent.

12. The method according to any one of claims 1 to 3, characterized in that, The solvent filling assembly includes a filling pipeline, and the method further comprises: acquiring pipeline working parameters of the filling pipeline; According to the pipeline working parameters meeting the predetermined conditions, the solvent filling is suspended, and the battery slurry production equipment displays a third solvent filling suspension signal and / or sends a fifth alarm signal.

13. The method of claim 12, wherein, The predetermined conditions include one or more of the following conditions: 1) Any one of the pressure values in the third parameter values at the first position of the filling pipeline exceeds a first pressure threshold; 2) The third parameter values at the first position of the filling pipeline include a first pipeline pressure value and a second pipeline pressure value obtained in adjacent time periods, and the difference between the first pipeline pressure value and the second pipeline pressure value exceeds a second pressure preset value; 3) The mass of the solvent flowing through the first position of the filling pipeline per unit time and the change value of the second parameter value corresponding to the unit time are greater than a fourth mass threshold; 4) The preset data relationship between any at least two groups of data among the third parameter values at the first position of the filling pipeline, the second parameter values, and the rotational speed of the power pump in the filling pipeline does not meet the corresponding preset value.

14. A battery slurry production apparatus comprising a slurry container, a solvent adding assembly, a solvent container, and a signal assembly provided to each of the slurry container and the solvent container, the slurry container being communicated with the solvent container through the solvent adding assembly; characterized in that, The battery slurry production equipment comprises: a pressure acquisition module for acquiring a first parameter value representing the environment pressure inside the slurry container when the signal interaction condition is normal; a mass acquisition module for acquiring a second parameter value representing the overall mass of the solvent container when the signal interaction condition is normal; a first control module for filling the solvent at a first predetermined speed when the first parameter value is within a first preset threshold range and the second parameter value is within a second preset threshold range; a second control module for filling the solvent at a second predetermined speed when the second parameter value is a first mass threshold, wherein the second predetermined speed is less than the first predetermined speed; a first mass calculation module for obtaining a mass change value of the solvent container according to a plurality of second parameter values; The first obtaining module is configured to obtain a liquid level drop value of the solvent container and a solvent delivery amount of the solvent adding assembly; The tenth control module is configured to send a solvent filling completion signal to the solvent container based on a matching relationship among the mass change value of the solvent container, the liquid level drop value of the solvent container, and the solvent delivery amount of the solvent adding assembly being within a first mapping threshold, and to send a third alarm reminding signal based on the matching relationship among the mass change value of the solvent container, the liquid level drop value of the solvent container, and the solvent delivery amount of the solvent adding assembly being within a second mapping threshold.

15. An electronic device, comprising: The device comprises a processor and a memory storing computer program instructions; The processor executes the computer program instructions to implement the method of any one of claims 1-13.

16. A readable storage medium, characterized by, The readable storage medium stores programs or instructions, which are executed by the processor to implement the method of any one of claims 1-13.

17. [Rule 91 correction 06.11.2024] A computer program product comprising computer programs / instructions characterized in that, The computer program / instructions are executed by the processor to implement the method of any one of claims 1-13.

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