Slurry viscosity detection device, slurry processing equipment and battery processing system

Abstract

The utility model relates to the technical field of battery processing, and particularly discloses a slurry viscosity detection device, slurry processing equipment and a battery processing system.The slurry viscosity detection device comprises a storage container, a viscosity detection piece and a control piece, and a slurry inlet and a slurry outlet are formed in the storage container; the slurry outlet is located in the bottom surface of the storage container, and the slurry inlet and the slurry outlet are configured to be communicated with a slurry tank body and a conveying runner respectively; the detection end of the viscosity detection piece is arranged in the storage container; and the control piece is electrically connected with the viscosity detection piece so as to drive the viscosity detection piece to operate and detect the viscosity of the slurry in the storage container. According to the technical scheme, the slurry viscosity detection device can improve the detection efficiency and reduce the cost.

Description

Technical Field

[0001] The utility model relates to the technical field of battery processing, in particular to a slurry viscosity detection device, slurry processing equipment and a battery processing system. Background Art

[0002] The positive and negative electrode slurry is one of the important raw materials for manufacturing the positive and negative electrodes of batteries. Among them, the viscosity value of the positive and negative electrode slurry is a very critical parameter for judging the slurry quality, which directly affects the quality of the battery electrode coating. Therefore, it is particularly important to obtain the slurry viscosity data in a timely and accurate manner.

[0003] In the related art, the slurry viscosity detection process is to first take out a sample from the slurry, then use a viscometer to test the sample, and then record the test results after the test is completed. However, this process is usually manually operated, with low detection efficiency, and the samples after detection need to be scrapped, resulting in material waste. Utility Model Content

[0004] The main purpose of the utility model is to provide a slurry viscosity detection device, aiming to solve the problems of low slurry viscosity detection efficiency and material waste.

[0005] In order to achieve the above-mentioned purpose, the slurry viscosity detection device proposed by the utility model comprises:

[0006] A storage container, wherein the storage container is formed with a slurry inlet and a slurry outlet, wherein the slurry outlet is located on the bottom surface of the storage container, and the slurry inlet and the slurry outlet are configured to be connected to the slurry tank body and the conveying channel respectively;

[0007] a viscosity detection member, wherein a detection end of the viscosity detection member is disposed in the storage container; and

[0008] A control component is electrically connected to the viscosity detection component to drive the viscosity detection component to detect the viscosity of the slurry in the storage container.

[0009] In this solution, a storage container is set up to temporarily store the slurry to be transported, and the viscosity detection component is controlled by the control component to automatically detect the slurry in the storage container, without manual operation, effectively improving the detection efficiency, and the slurry can be discharged into the conveying channel after detection, so it does not need to be scrapped, effectively saving material costs. At the same time, the slurry inlet of the storage container is connected to the slurry tank body, and the slurry can be pumped by the deadweight of the slurry in the slurry tank body, and the slurry outlet is set on the bottom surface of the storage container, which is convenient for discharging the slurry. The entire slurry replacement process does not require additional power, effectively saving energy and detection costs.

[0010] In an embodiment of the present invention, the slurry inlet is formed on a side surface of the storage container and is arranged away from a bottom surface of the storage container.

[0011] The slurry inlet is arranged near the upper end of the storage container to improve the efficiency of the slurry entering the storage container.

[0012] In one embodiment of the utility model, a feed pipe is installed at the slurry inlet, and the height of one end of the feed pipe away from the slurry inlet is higher than the height of the slurry inlet;

[0013] The slurry outlet is equipped with a discharge pipe, and the discharge pipe is extended in a vertical direction at least at one end close to the storage container.

[0014] Here, the feed pipe is tilted to further improve the efficiency of the slurry entering the storage container.

[0015] In an embodiment of the present invention, the slurry inlet is formed on the bottom surface of the storage container.

[0016] This structure allows the slurry to slowly contact the detection end from bottom to top, reducing the impact on the detection end.

[0017] In one embodiment of the utility model, a three-way pipe is provided at the bottom of the storage container, and a communication port is provided at the bottom surface of the storage container;

[0018] One pipe head of the three-way pipe is installed at the connecting port, and the other two pipe heads of the three-way pipe respectively form the slurry inlet and the slurry outlet.

[0019] This structure can reduce the number of openings of the storage container, simplify the structure and facilitate connection.

[0020] In an embodiment of the utility model, one pipe head of the three-way pipe is extended in the vertical direction, and the other two pipe heads of the three-way pipe are arranged at an angle with the horizontal plane.

[0021] The three-way pipe of this structure can further improve the smoothness of material discharge.

[0022] In one embodiment of the utility model, the storage container comprises a shell and a measuring container arranged in the shell, the shell is provided with the slurry inlet and the slurry outlet, one end of the measuring container is open and spaced from the top wall of the shell, the other end of the measuring container is connected to the slurry outlet, and the slurry inlet is connected to the inside of the measuring container;

[0023] An overflow port is also provided on the side of the shell, and the overflow port is communicated with an open end of the measuring container.

[0024] Here, the setting of the overflow port can make the volume of the slurry for detection contained in the storage container the same, thereby improving the detection consistency.

[0025] In one embodiment of the utility model, an overflow pipe is installed at the overflow port, the height of one end of the overflow pipe away from the overflow port is lower than the height of one end of the overflow pipe connected to the overflow port, and the end of the overflow pipe away from the overflow port is used to connect to the delivery channel;

[0026] And / or, the measuring container has a funnel-shaped structure.

[0027] The overflow pipe is tilted to facilitate the discharge and exhaustion of slurry;

[0028] The shape of the measuring container is conducive to the drainage of slurry.

[0029] In one embodiment of the present invention, the housing comprises a housing body and a cover body, the housing body is formed with a cavity for mounting the measuring container, the cover body covers the opening of the cavity, and the housing body is provided with the slurry inlet and the slurry outlet;

[0030] A mounting hole is provided in the middle of the cover body, a sealing component is installed at the mounting hole, and a detection end of the viscosity detection member passes through the sealing component and is located in the opening of the measuring container.

[0031] Here, a sealing structure is provided between the detection end and the housing to isolate the slurry from the air.

[0032] In one embodiment of the present invention, the viscosity detection component is a rotary viscometer, and the sealing component is a labyrinth sealing structure.

[0033] The rotational viscometer can improve the detection accuracy, and the labyrinth seal can reduce the impact on the detection of the rotational viscometer.

[0034] In one embodiment of the present invention, the storage container is a constant temperature container.

[0035] This structure can keep the temperature of the slurry constant and improve detection accuracy.

[0036] The utility model also proposes a slurry processing equipment, including a slurry tank body, a conveying pipeline and the slurry viscosity detection device as described above, wherein the conveying pipeline forms the conveying flow channel and is connected to the slurry tank body at one end, and the slurry inlet and slurry outlet of the slurry viscosity detection device are respectively connected to the slurry tank body and the conveying flow channel.

[0037] Protection of slurry processing equipment.

[0038] In one embodiment of the present utility model, the slurry processing equipment further comprises a valve assembly, the valve assembly is electrically connected to the control element, and the valve assembly comprises a first valve body, a second valve body and a third valve body;

[0039] The first valve body is arranged between the slurry tank body and the slurry inlet, the second valve body is arranged between the slurry outlet and the conveying channel, the third valve body is arranged between the slurry tank body and the conveying channel, and the control component controls the second valve body to open before the next detection.

[0040] The flow of slurry is controlled by the valve body to realize automatic replacement and detection of the slurry, and the second valve body is controlled by the control component to close after one detection is completed and open before the next detection, thereby improving the cleanliness of the detection end.

[0041] The utility model also provides a battery processing system, comprising any of the slurry processing equipment described above. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0043] Figure 1 It is a cross-sectional view of an embodiment of the slurry processing equipment of the utility model;

[0044] Figure 2 It is a cross-sectional view of another embodiment of the slurry processing equipment of the utility model;

[0045] Figure 3 This is a structural schematic diagram of an embodiment of a slurry viscosity detection device of the utility model;

[0046] Figure 4 for Figure 3 A longitudinal cross-sectional view of the slurry viscosity detection device shown.

[0047] Description of Figure Numbers:

[0048] 100. Slurry processing equipment; 10. Slurry viscosity detection device; 11. Storage container; 111. Shell; 1111. Shell body; 1111a. Slurry inlet; 1111b. Slurry outlet; 1111c. Connecting port; 1111d. Overflow port; 1112. Cover body; 112. Measuring container; 1121. Open port; 12. Viscosity detection member; 121. Drive structure; 122. Detection end; 13. Feed pipe; 14. Discharge pipe; 15. Tee pipe; 151. Pipe head; 16. Overflow pipe; 17. Sealing assembly; 20. Slurry tank body; 21. Discharge port; 30. Delivery pipeline; 41. First valve body; 42. Second valve body; 43. Third valve body; 44. Fourth valve body; 45. Fifth valve body; 50. Pumping device.

[0049] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0051] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0052] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or a solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0054] The slurry in the example of the present invention refers to a mixture formed by mixing a solute and a solvent in a certain proportion, wherein the types of the solute and the solvent and their respective proportions can be determined by those skilled in the art according to specific usage scenarios and functional requirements.

[0055] Batteries are widely used in various electrical devices. Common electrical devices include but are not limited to: mobile phones, portable devices, laptops, battery cars, electric vehicles, ships, spacecraft, electric toys and electric tools, etc. Batteries mentioned in this field can be divided into disposable batteries and rechargeable batteries according to whether they are rechargeable. Currently, common types of rechargeable batteries are: lead-acid batteries, nickel-metal hydride batteries and lithium-ion batteries.

[0056] The battery cells described in the examples of the present invention may include ion secondary batteries, ion primary batteries, lithium sulfur batteries, sodium lithium ion batteries, sodium ion batteries or magnesium ion batteries, etc., and the examples of the present invention are not limited to this. The battery cells may be cylindrical, flat, rectangular or other shapes, etc., and the examples of the present invention are not limited to this. Battery cells are generally divided into three types according to the packaging method: cylindrical battery cells, square battery cells and soft-pack battery cells, and the examples of the present invention are not limited to this.

[0057] The battery mentioned in the examples of the present invention refers to a single physical module including one or more battery cells to provide higher voltage and capacity. For example, the battery mentioned in the examples of the present invention may include a battery module or a battery pack. The battery generally includes a box for encapsulating one or more battery cells or multiple battery modules. The box can prevent liquid or other foreign matter from affecting the charging or discharging of the battery cells.

[0058] The battery cell includes a shell, an electrode assembly and an electrolyte, and the shell is used to contain the electrode assembly and the electrolyte. The electrode assembly is composed of a positive electrode sheet, a negative electrode sheet and a separator. The electrode assembly can be a wound structure or a laminated structure, and the examples of the utility model are not limited to this. The battery cell mainly relies on the movement of metal ions between the positive electrode sheet and the negative electrode sheet to work. The positive electrode sheet includes a positive electrode collector and a positive electrode active material layer. The positive electrode active material layer is coated on the surface of the positive electrode collector, and the positive electrode collector not coated with the positive electrode active material layer serves as the positive electrode tab. The negative electrode sheet includes a negative electrode collector and a negative electrode active material layer. The negative electrode active material layer is coated on the surface of the negative electrode collector, and the negative electrode collector not coated with the negative electrode active material layer serves as the negative electrode tab.

[0059] Taking lithium-ion batteries as an example, the material of the positive electrode current collector can be aluminum, and the positive electrode active material can be lithium cobalt oxide, lithium iron phosphate, ternary lithium or lithium manganese oxide, etc. The material of the negative electrode current collector can be copper, and the negative electrode active material can be carbon or silicon, etc. In order to ensure that a large current can pass through without melting, the number of positive electrode tabs is multiple and stacked together, and the number of negative electrode tabs is multiple and stacked together. The pole piece processing process of the battery cell is to first process the above-mentioned powder material into a slurry, and then apply the slurry to the current collector. Since the viscosity of the slurry affects the adhesion performance of the slurry on the current collector, whether the viscosity value of the positive and negative electrode slurries meets the requirements will directly affect the quality of the battery pole piece coating. Therefore, it is particularly important to obtain the slurry viscosity data in a timely and accurate manner.

[0060] In the related art, the slurry viscosity detection process is to first take out a sample from the slurry, then use a viscometer to test the sample, and then record the test results after the test is completed. However, this process is usually manually operated, with low detection efficiency, and the samples after detection need to be scrapped, resulting in material waste.

[0061] Based on the above background, the utility model proposes a slurry viscosity detection device, which connects the slurry inlet to the slurry tank and arranges the slurry outlet on the bottom surface of the storage container, thereby realizing automatic replacement of the slurry without power drive, and realizing automatic online detection of the slurry through the control part, thereby improving detection efficiency and reducing material waste.

[0062] The slurry viscosity detection device of the utility model can be used for battery processing equipment. The battery processing equipment of the utility model can be a single process equipment such as coating, or can be a battery processing production line.

[0063] Please refer to Figures 1 to 4 In one embodiment of the present utility model, the slurry viscosity detection device 10 includes:

[0064] A storage container 11, wherein the storage container 11 is formed with a slurry inlet 1111a and a slurry outlet 1111b, wherein the slurry outlet 1111b is located at the bottom surface of the storage container 11, and the slurry inlet 1111a and the slurry outlet 1111b are configured to be connected to the lower end of the slurry tank 20 and the conveying channel respectively;

[0065] A viscosity detection member 12, wherein a detection end 122 of the viscosity detection member 12 is disposed in the storage container 11; and

[0066] A control component is electrically connected to the viscosity detection component 12 to drive the viscosity detection component 12 to detect the viscosity of the slurry in the storage container 11.

[0067] In this embodiment, the storage container 11 is a container for temporarily storing the slurry for testing, and may be a measuring cup or a measuring cylinder, or a cylindrical structure without scales and marks, etc. It can be understood that the storage container 11 has a top and a bottom in a vertical direction when in use, and the slurry outlet 1111b is located on the bottom surface of the storage container 11, which means that the slurry outlet 1111b is opened on the surface of the bottom end of the storage container 11 facing the ground, and the position of the slurry inlet 1111a can be at any position of the storage container 11, which is not limited here.

[0068] The slurry inlet 1111a is used to communicate with the lower end of the slurry tank body 20, and the two can be connected through a pipe body or directly connected through a pipe joint. The slurry tank body 20 refers to a container for containing slurry, that is, a cavity is formed inside it to store the prepared slurry. Alternatively, the slurry tank body 20 can also be a container for preparing slurry, that is, a component for mixing slurry is provided therein, which is not limited here. The lower end of the slurry tank body 20 refers to the end facing the ground when it is in an upright state, and the lower end of the slurry tank body 20 is generally provided with a discharge port 21 for outputting the slurry so as to carry out subsequent processing steps. The slurry inlet 1111a of the storage container 11 is connected to the lower end of the slurry tank body 20, which means that it can be connected to the lower surface of the slurry tank body 20, or it can be the part of the peripheral side of the slurry tank body 20 close to the ground, that is, the lower end of the slurry tank body 20, so that the slurry in the slurry tank body 20 will generate a downward driving force under the action of gravity. By adjusting the height position of the slurry tank 20 or the height of the slurry liquid level in the slurry tank 20, the slurry liquid level in the slurry tank 20 is always higher than the slurry height in the storage container 11, and automatic pumping without a power mechanism can be achieved. The discharge port 21 is connected to a conveying pipeline 30, and the conveying pipeline 30 forms a conveying flow channel, so that the slurry is conveyed to the process required for processing. The slurry outlet 1111b is connected to the conveying flow channel, so that the slurry after detection can be re-input into the processing process.

[0069] The viscosity detection member 12 is used to detect the viscosity of the slurry in the storage container 11 to obtain the current viscosity parameter of the slurry. Viscosity refers to the resistance of a fluid to flow, that is, the internal friction of the fluid. The unit of viscosity is Poise in the cm·g·second system and Pascal·second (Pa·s) in the International System of Units (SI). The viscosity coefficient (also called viscosity) is a physical quantity that describes the viscosity properties of a liquid, that is, the force required to maintain a unit velocity difference in two liquid layers 1 cm apart.

[0070] In this example, viscosity is conditional viscosity, which can be Engler viscosity, and the measurement method is determined by the resistance of the object moving inside the liquid. Of course, the viscosity parameter can also be measured in other ways, for example, the time for the fluid to flow through the hole. Therefore, the viscosity detection member 12 can be a rotational viscometer, or a vibration viscometer or other types of instruments, which are not limited here. In one example, the viscosity detector includes a driving structure 121 and a detection end 122, the driving structure 121 is located outside the storage container 11, and the detection end 122 connected thereto is inserted into the slurry of the storage container 11, and the driving structure 121 drives the detection end 122 to move, thereby realizing the detection of viscosity and outputting the detection parameters. Optionally, the detection end 122 can be at least partially inserted into the slurry, and the depth of insertion into the slurry can be designed according to actual needs. The detection end 122 can be inserted into the storage container 11 from the top, bottom or middle of the storage container 11, which is not limited here.

[0071] The control component is a main command device that changes the wiring of the main circuit or the control circuit in a predetermined order, and changes the resistance value in the circuit to control the start, speed regulation, braking and reversal of the drive structure 121. The control component can be a central processing unit (CPU), a microcontroller (MPU) or a combination logic controller, etc. Since the structure of the control component is a component that can realize electrical control that is well known to those skilled in the art, it will not be described in detail. The control component is electrically connected to the viscosity detection component 12, so as to realize the operation control and data reception of the viscosity detection component 12. For example, the control component can control the start and shut down of the drive structure 121, and can receive the detection signal of the detection end 122, perform data analysis on it, and obtain corresponding data results, etc.

[0072] In some examples, the control element is integrally provided with the viscosity detection element 12, so that the viscosity detection element 12 and the controller are integrated into an integral structure. In some examples, the controller and the viscosity detection element 12 are separately provided, and the controller can be used as a host computer or control terminal of the slurry processing equipment 100 to achieve remote control of the slurry detection device. In some examples, the controller and the slurry viscosity detection element 12 are connected by wire or wirelessly to achieve transmission of electrical signals.

[0073] In this technical solution, a storage container 11 is set to temporarily store the slurry to be transported, and the viscosity detection component 12 is controlled by the control component to automatically detect the slurry in the storage container 11, without manual operation, effectively improving the detection efficiency, and the slurry can be discharged into the conveying flow channel after detection, so there is no need for scrapping, effectively saving material costs. At the same time, the slurry inlet 1111a of the storage container 11 is connected to the lower end of the slurry tank body 20, and the slurry in the slurry tank body 20 can be automatically pumped by the deadweight, and the slurry outlet 1111b is set on the bottom surface of the storage container 11, which is convenient for discharging the slurry. The entire slurry replacement process does not require additional power, effectively saving energy and detection costs.

[0074] Please refer to Figure 1 In one embodiment of the present invention, the slurry inlet 1111a is formed on the side of the storage container 11 and is arranged away from the bottom surface of the storage container 11.

[0075] In the first example, the slurry inlet 1111a is formed on the side of the storage container 11, which means that a through hole is opened on the side of the storage container 11, so that the inside and the outside can be connected. The slurry inlet 1111a is arranged away from the bottom surface of the storage container 11, and the slurry inlet 1111a of the storage container 11 is arranged near the top of the storage container 11.

[0076] The arrangement of this structure allows the slurry to fill the storage container 11 by free fall, thereby improving the efficiency of the slurry entering the storage container 11. At the same time, the slurry outlet 1111b is at the bottom of the storage container 11, thereby increasing the rate of replacing the slurry and improving the detection efficiency.

[0077] Please continue to refer to Figure 1 In one embodiment of the utility model, a feed pipe 13 is installed at the slurry inlet 1111a, and the height of one end of the feed pipe 13 away from the slurry inlet 1111a is higher than the height of the slurry inlet 1111a;

[0078] The slurry outlet 1111b is provided with a discharge pipe 14, and the discharge pipe 14 is extended in a vertical direction at least at one end close to the storage container 11.

[0079] In this example, the feed pipe 13 is a pipe structure used to transport the slurry in the slurry tank body 20 to the storage container 11. The feed pipe 13 can be a hose or a hard pipe, which is not limited here. In one example, the feed pipe 13 can be an independent structure, which is detachably connected to the slurry inlet 1111a of the storage container 11 and detachably connected to the opening of the slurry tank body 20. In another example, the feed pipe 13 is an integrally formed structure with the storage container 11 and is detachably connected to the opening of the slurry tank body 20. In yet another example, the feed pipe 13 is an integrally formed structure with the slurry tank body 20 and is detachably connected to the slurry inlet 1111a of the storage container 11. The height of one end of the feed pipe 13 away from the slurry inlet 1111a is higher than the height of the slurry inlet 1111a, which means that the height of the slurry inlet 1111a is lower than the height of the position where the slurry tank 20 delivers the slurry to the storage container 11. For example, the top of the storage container 11 can be lower than the bottom of the slurry tank 20, so that the delivery pump force and efficiency can be further increased. Here, the feed pipe 13 can be an arc tube. In other examples, the feed pipe 13 can also be a straight curved shape.

[0080] The discharge pipe 14 is a pipe body that transports the slurry in the storage container 11 to the conveying channel, which can be a hose or a hard pipe. One end of the discharge pipe 14 is integrally formed or detachably connected to the slurry outlet 1111b of the storage container 11, and the other end is detachably connected or integrally formed with the conveying pipeline. The discharge pipe 14 is extended in the vertical direction at least at one end close to the storage container 11, which means that when the bottom surface of the storage container 11 is placed on a horizontal plane, the end of the discharge pipe 14 connected to the storage container 11 is perpendicular to the bottom surface of the storage container 11. The middle part of the discharge pipe 14 or the end away from the storage container 11 can also extend in the vertical direction, or be bent and extended, which is not limited here.

[0081] In this technical solution, the feed pipe 13 is tilted downward along the slurry flow direction, which can further improve the pumping force of the slurry and improve the efficiency of the slurry entering the storage container 11. At the same time, when the slurry needs to be discharged, the slurry discharge rate can be increased, the slurry replacement efficiency can be further improved, and the slurry residue can also be reduced.

[0082] Please refer to Figure 2 In one embodiment of the present invention, the slurry inlet 1111a is formed on the bottom surface of the storage container 11.

[0083] In the second example, the slurry inlet 1111a is formed on the bottom surface of the storage container 11, which means that the bottom surface of the storage container 11 is provided with a hole that passes through the inside and the outside. The slurry outlet 1111b is also provided on the bottom surface of the storage container 11, so the slurry inlet 1111a can be spaced apart from the slurry outlet 1111b, or it can share a hole with the slurry outlet 1111b, which is not limited here. Correspondingly, the detection end 122 of the viscosity detection member 12 is inserted into the storage container 11 from top to bottom, that is, the detection end 122 is inserted into the storage container 11 from the top of the storage container 11 and is away from the slurry inlet 1111a. Here, the shape and height of the connecting pipeline are not limited. The height of the lower end of the slurry tank body 20 can be higher or lower than the height of the slurry inlet 1111a, or the lower end of the slurry tank body 20 can be the same as the height of the slurry inlet 1111a. As long as the slurry liquid level in the slurry tank body 20 is higher than the slurry level in the storage container 11, the pumping force formed by the deadweight of the slurry can be achieved, and the slurry can be transported to the storage container 11. Of course, setting the height of the slurry inlet 1111a lower than the lower end of the slurry tank body 20 can further improve the pumping efficiency.

[0084] The structure of this technical solution can allow the slurry to slowly fill the storage container 11 from bottom to top, gradually burying the detection end 122, thereby reducing the impact on the detection end 122.

[0085] Please continue to refer to Figure 2 and Figure 4 In one embodiment of the utility model, a three-way pipe 15 is provided at the bottom of the storage container 11, and a communication port 1111c is provided on the bottom surface of the storage container 11;

[0086] One pipe head 151 of the three-way pipe 15 is installed at the communication port 1111c, and the other two pipe heads 151 of the three-way pipe 15 respectively form the slurry inlet 1111a and the slurry outlet 1111b.

[0087] In this example, the slurry inlet 1111a and the slurry outlet 1111b share a hole, that is, only the connecting port 1111c needs to be opened on the bottom surface of the storage container 11. The three-way pipe 15 refers to a pipe joint with three pipe heads 151. One pipe head 151 of the three-way pipe 15 is connected to the connecting port 1111c, and the other two pipe heads 151 respectively form the slurry inlet 1111a and the slurry outlet 1111b. The connection method between one pipe head 151 of the three-way pipe 15 and the connecting port 1111c can be plug-in, or integrated molding, or bonding, welding, etc., which is not limited here.

[0088] The structure of this technical solution can reduce the number of openings of the storage container 11 and simplify the structure. When connected with the feed pipe 13 and the discharge pipe 14, the connection area between the three-way pipe 15 and the two is increased, which facilitates the connection and has good connection stability.

[0089] Please refer again Figure 4 In one embodiment of the present invention, one pipe head 151 of the three-way pipe 15 is extended in the vertical direction, and the other two pipe heads 151 of the three-way pipe 15 are arranged at an angle with the horizontal plane.

[0090] In this example, the pipe head 151 connected to the connecting port 1111c of the storage container 11 is extended in the vertical direction, which means that one pipe head 151 of the tee 15 is perpendicular to the bottom surface of the storage container 11. The other two pipe heads 151 of the tee 15 are at an angle to the horizontal plane, which means that the center lines of the other two pipe heads 151 of the tee 15 are not parallel to the horizontal plane, that is, they are not perpendicular to the one pipe head 151 of the tee 15. In one example, the other two pipe heads 151 of the tee 15 have the same angle as the one pipe head 151, and the angle between the other two pipe heads 151 of the tee 15 is 90 degrees. In other examples, the angles between the three pipe heads 151 of the tee 15 are all 120 degrees.

[0091] The three-way pipe 15 of this technical solution can further improve the smoothness of material discharge and reduce the residue of slurry.

[0092] Please refer to Figure 4 In one embodiment of the utility model, the storage container 11 includes a shell 111 and a measuring container 112 disposed in the shell 111, the shell 111 is provided with the slurry inlet 1111a and the slurry outlet 1111b, one end of the measuring container 112 is open 1121 and is spaced apart from the top wall of the shell 111, the other end of the measuring container 112 is connected to the slurry outlet 1111b, and the slurry inlet 1111a is connected to the inside of the measuring container 112;

[0093] An overflow port 1111 d is also formed on the side of the housing 111 , and the overflow port 1111 d is communicated with an open end 1121 of the measuring container 112 .

[0094] In this example, the storage container 11 includes a shell 111 and a measuring container 112 disposed in the shell 111. The measuring container 112 may be a container with scale or without scale. The measuring container 112 is a columnar structure with an open end 1121, such as a can, a bottle or a box, etc., which is not limited here. The shell 111 provides protection for it. The detection end 122 of the viscosity detection member 12 can pass through the shell 111 and the open end 1121 and extend into the measuring container 112. The volume of the measuring container 112 is fixed, and its volume is smaller than that of the shell 111. Therefore, it is disposed in the shell 111, and one end of the open end 1121 is at least spaced from the top wall of the shell 111, so that the slurry can fill the measuring container 112 without filling the shell 111.

[0095] The housing 111 is provided with a slurry inlet 1111a and a slurry outlet 1111b. The slurry inlet 1111a is connected to the inside of the measuring container 112, and may be connected to the open port 1121 of the measuring container 112, or may be connected to the other end of the measuring container 112, which is not limited here. The other end of the measuring container 112 is connected to the slurry outlet 1111b, that is, a hole is provided at one end of the measuring container 112 away from the open port 1121 to connect the slurry outlet 1111b, so that the slurry can be discharged. In one example, the measuring container 112 can be connected and fixed to the bottom of the housing 111 through the bottom. In another example, the peripheral side of the measuring container 112 is connected and fixed to the inner wall of the housing 111, and the connection method may be a detachable connection, or may be bonding or welding, or may be an integral molding setting. In another example, the measuring container 112 is connected to the housing 111 through both the bottom and the side, and the connection stability is good.

[0096] An overflow port 1111d is provided on the side of the shell 111, that is, a hole connecting the inside and the outside is provided on the side of the shell 111, and the overflow port 1111d is connected to an opening 1121 at one end of the measuring container 112. The height of the overflow port 1111d may be the same as the height of the opening 1121 of the measuring container 112, and the edge of the opening 1121 directly abuts against the edge of the overflow port 1111d; or the height of the overflow port 1111d may be lower than the height of the opening 1121, and the two are directly connected through a pipeline or channel; or, the height of the overflow port 1111d is higher than the height of the opening 1121, and the lower edge of the overflow port 1111d abuts against or connects to the edge of the opening 1121, which is not limited here.

[0097] In this technical solution, the setting of the overflow port 1111d can make the volume of the slurry for detection contained in the storage container 11 the same, so that the depth of the detection end 122 extending into the slurry is the same, eliminating external factors affecting the viscosity of the slurry, thereby improving the detection consistency.

[0098] Please continue to refer to Figure 4In one embodiment of the utility model, an overflow pipe 16 is installed at the overflow port 1111d, and the height of one end of the overflow pipe 16 away from the overflow port 1111d is lower than the height of one end of the overflow pipe 16 connected to the overflow port 1111d, and the end of the overflow pipe 16 away from the overflow port 1111d is used to connect to the delivery channel;

[0099] And / or, the measuring container 112 is funnel-shaped.

[0100] In this example, the overflow pipe 16 is installed at the overflow port 1111d. The overflow pipe 16 and the housing 111 may be an integrally formed structure, or may be connected to the edge of the overflow port 1111d by a detachable connection method, such as plugging. The overflow pipe 16 may be a pipe body with a relatively long length, so that the other end can be directly connected to the delivery channel; or it may be a pipe joint, so that it is connected to the delivery channel through the pipe body, which is not limited here. In one example, when there is a certain distance between the outer shell 111 and the peripheral side of the measuring container 112, the overflow pipe 16 can be installed to connect the overflow port 1111d with the open port 1121 of the measuring container 112.

[0101] The height of the end of the overflow pipe 16 connected to the overflow port 1111d is higher than the height of the end away from the overflow port 1111d, which means that the overflow pipe 16 can be a straight pipe or an arc-shaped pipe, and is gradually inclined downward in the vertical direction in the direction away from the storage container 11. Of course, in other examples, the overflow pipe 16 can also be a bent pipe or a spiral pipe, etc., as long as the height at the overflow port 1111d is greater than the height at the delivery channel.

[0102] The overflow pipe 16 of this technical solution can better guide the slurry when it flows out of the storage container 11, and accelerate it through its own weight, thereby increasing the discharge rate and reducing the slurry residue in the pipe.

[0103] On the basis of limiting or not limiting the setting of the overflow pipe 16, the measuring container 112 is set to have a funnel-shaped structure, which means that the top opening is larger, the bottom opening is smaller, and the cross section tends to decrease from the top to the top. Here, the top of the measuring container 112 is open 1121, the bottom is connected to the slurry outlet 1111b, and the upper half of the measuring container 112 is straight and the lower half is conical.

[0104] The measuring container 112 of this shape is conducive to the rapid and complete discharge of the slurry.

[0105] In one example, the discharge pipe 14 and the overflow pipe 16 can be separately provided and connected to the conveying channel. In another example, the discharge pipe 14 can be connected to the conveying channel, and the other end of the overflow pipe 16 is connected to the discharge pipe 14, and is transmitted to the conveying channel through the other end of the discharge pipe 14. In another example, the overflow pipe 16 is connected to the conveying channel, and the other end of the discharge pipe 14 is connected to the overflow pipe 16.

[0106] Please refer to Figure 4 In one embodiment of the present utility model, the housing 111 includes a housing body 1111 and a cover body 1112, the housing body 1111 forms a cavity for installing the measuring container 112, the cover body 1112 covers the opening of the cavity, and the housing body 1111 is provided with the slurry inlet 1111a and the slurry outlet 1111b;

[0107] A mounting hole is formed in the middle of the cover body 1112 , and a sealing component 17 is installed at the mounting hole. The detection end 122 of the viscosity detection member 12 passes through the sealing component 17 and is located in the opening 1121 of the measuring container 112 .

[0108] In this embodiment, the shell 111 is configured to be two parts, namely, a shell body 1111 and a cover body 1112. The shell body 1111 forms a cavity with an opening, and the cover body 1112 covers the opening of the cavity. Here, the connection between the cover body 1112 and the shell body 1111 can be a detachable connection, for example, plug-in or snap-on connection, or bonding or welding, etc., which is not limited here. The bottom surface of the shell body 1111 is provided with a slurry outlet 1111b, and the slurry inlet 1111a can be provided on the peripheral side or bottom surface of the shell body 1111. The middle part of the cover body 1112 is provided with a mounting hole, which runs through the thickness direction of the cover body 1112, thereby connecting the outside with the cavity. The opening shape of the mounting hole is not limited, and can be circular or square, etc., and the sealing component 17 can be adapted thereto. The sealing component 17 can be detachably installed in the mounting hole, or can be fixedly and non-detachably installed in the mounting hole. The sealing component 17 can be a non-contact sealing structure, and the detection end 122 of the viscosity detection member 12 passes through the sealing component 17 and extends into the cavity, so the sealing component 17 can be set according to the viscosity detection member 12 to ensure that the viscosity detection member 12 and the mounting hole are airtight, play a role in isolating from the outside air, and do not affect the detection of the viscosity detection member 12. The sealing component 17 can be an oil groove seal, a labyrinth seal, or a retaining ring seal, etc., which is not limited here.

[0109] In this technical solution, a sealing structure is provided between the detection end 122 and the housing 111, so that the slurry can be isolated from the air and prevented from being affected by dust and water vapor in the external environment, and can also prevent the slurry from overflowing.

[0110] In addition, when the cover body 1112 and the shell body 1111 are detachably connected, a sealing structure can also be provided at the connection position between the two, thereby further improving the sealing effect of the shell 111 .

[0111] In an embodiment of the present invention, the viscosity detection member 12 is a rotational viscometer, and the sealing assembly 17 is a labyrinth seal structure.

[0112] In this example, the rotational viscometer refers to a detection device that generates shear force by a rotating device and measures the resistance generated when the material responds to the shear force to calculate the viscosity. In one example, the viscosity detection member 12 includes a driving structure 121 and a detection rotor connected thereto, one end of the detection rotor is connected to the driving shaft of the driving structure 121, and the other end is a detection end 122, which extends into the storage container 11. The detection rotor is driven to rotate by the driving structure 121, so that a shear force is generated between the detection end 122 and the slurry, and the resistance of the slurry is converted into an electric current through the detection end 122 and transmitted to the control member, thereby realizing automatic detection and storage of the viscosity of the slurry.

[0113] The labyrinth seal structure refers to a structure with multiple narrow channels, which makes the fluid flow in a zigzag manner in the channel, increases the flow resistance, and thus achieves a sealing effect. The labyrinth seal structure can be selected as a zigzag type, a step type, or a honeycomb type, etc. A hole is opened in the middle of the labyrinth seal structure for the detection end 122 of the viscosity detection member 12 to pass through.

[0114] The rotational viscometer is easy to operate, has a wide range of applications, fast detection and small errors, can improve detection accuracy and display in real time, and the labyrinth seal used with it can reduce the impact on the detection of the rotational viscometer and has a good sealing effect.

[0115] In one embodiment of the present invention, the storage container 11 is a constant temperature container.

[0116] In this example, the constant temperature container refers to a container whose internal temperature is always kept within a specific value or a specific range. The storage container 11 of this structure can keep the temperature of the slurry constant, thereby reducing the impact of the change in slurry temperature on the viscosity detection element 12 and improving the detection accuracy.

[0117] In some examples, when the storage container 11 is an integral structure, a temperature control device, such as a heating element, may be provided on the periphery of the storage container 11 to keep the temperature inside the storage container 11 constant. In other examples, when the storage container 11 includes a shell 111 and a measuring container 112, a temperature control device, such as a heating element, or a fluid medium with a certain temperature, may be provided inside the shell 111. In one example, a connection portion extends from the periphery of the open 1121 of the measuring container 112, and the connection portion is connected to the inner wall of the shell 111, so that a space is formed between the periphery of the measuring container 112 and the shell 111, and heated hot water can flow into the space, so that the measuring container 112 maintains a constant temperature. Under this structure, a water inlet and a water outlet are provided on the periphery of the shell 111 to achieve the inflow and outflow of hot water. Of course, other media that can perform heat exchange may also be used.

[0118] Please refer to Figure 1 and Figure 2 The utility model also proposes a slurry processing equipment 100, including a slurry tank 20, a delivery pipeline 30 and the slurry viscosity detection device 10 as described above, wherein the delivery pipeline 30 forms a delivery channel and one end is connected to the slurry tank 20, and the slurry inlet 1111a and the slurry outlet 1111b of the slurry viscosity detection device 10 are connected to the slurry tank 20 and the delivery channel respectively. The slurry viscosity detection device 10 adopts all the technical solutions of all the above embodiments, and therefore has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here one by one.

[0119] In this example, the slurry processing equipment 100 includes not only the slurry tank 20 for storing the slurry, but also a mixing tank for mixing powder and liquid to form slurry, a conveying line for conveying powder and liquid separately, etc., which are not limited here. The slurry tank 20 is used to store the mixed slurry. It is roughly cylindrical, and a discharge port 21 is formed on the lower end surface. The slurry inlet 1111a can be connected to the lower end surface of the slurry tank 20, so that the slurry is driven by gravity. The force is greater and the pumping efficiency is improved. The conveying pipeline 30 can be a hard pipe or a hose, one end of which is connected to the outlet material, and the other end is connected to a pumping device 50, so that the slurry is conveyed to the required position or process. The slurry outlet 1111b is connected to the conveying pipeline 30, and its position can be at any position of the conveying pipeline 30, for example, it can be located at one end of the conveying pipeline 30 away from the slurry tank 20.

[0120] In this technical solution, when the slurry is transported to the pumping device 50, the slurry can be controlled to flow from the bottom of the slurry tank 20 to the slurry inlet 1111a at the same time. When the measuring container 112 is filled, the feed pipe 13 is controlled to be closed, and then the control component controls the viscosity detection component 12 to start detection. After the detection is completed, the detection signal can be transmitted to the control component for processing and storage. When an overflow port 1111d is provided, when the slurry is pumped too much, it can flow out directly through the overflow port 1111d, and the outflowing slurry can be directly transported to the conveying pipeline 30, thereby being transported through the pumping device 50. When the slurry needs to be discharged, the slurry outlet 1111b is connected to the conveying pipeline 30, so that the detected slurry is directly discharged to the conveying pipeline 30, without wasting raw materials.

[0121] In one embodiment of the present utility model, the slurry processing equipment 100 further includes a valve assembly, the valve assembly is electrically connected to the control element, and the valve assembly includes a first valve body 41, a second valve body 42 and a third valve body 43;

[0122] The first valve body 41 is arranged between the slurry tank body 20 and the slurry inlet 1111a, the second valve body 42 is arranged between the slurry outlet 1111b and the conveying channel, the third valve body 43 is arranged between the slurry tank body 20 and the conveying channel, and the control component controls the second valve body 42 to open before the next detection.

[0123] In this example, the first valve body 41 is used to control the slurry from the slurry tank 20 into the storage container 11. The first valve body 41 can be a solenoid valve, an electric valve, a pneumatic valve or a hydraulic valve, etc., which is not limited here. The types of the second valve body 42 and the third valve body 43 are both referenced to the type of the first valve body 41. The second valve body 42 is used to discharge the slurry from the slurry outlet 1111b to the conveying pipeline 30, and the third valve body 43 is used to achieve the connection and closing between the slurry tank 20 and the conveying pipeline 30. All three are electrically connected to the control component, so that the opening and closing of each valve body can be realized through the overall coordination of the control component.

[0124] The control part controls the second valve body 42 to open before the next test, which means that during the first test, the control part controls the first valve body 41 to open, the second valve body 42 to close, and the first valve body 41 is closed after the slurry fills the measuring container 112. At the same time, the third valve body 43 is controlled to open, so that the slurry can flow out into the conveying pipeline 30. On the basis of the structure provided with the overflow pipe 16, the fourth valve body 44 is also provided on the overflow pipe 16. The fourth valve body 44 is opened at the same time as the opening of the first valve body 41 or after a specific time, so that the overflowed slurry can flow out. After the test is completed, before the next test is required, the second valve body 42 is opened to discharge the slurry, and then the first valve body 41 is controlled to open, so that the new slurry pushes the slurry in the feed pipe 13 to be discharged, and then the new slurry fills the storage container 11, and the second valve body 42 is closed.

[0125] The structure of this technical solution controls the flow of slurry through the valve body, realizes automatic replacement and detection of the slurry, and controls the second valve body 42 to close after one detection is completed through the control component, and open it again before the next detection, so that the detection end 122 is always in the liquid slurry, preventing the slurry from solidifying due to long-term vacancy, thereby improving the cleanliness of the detection end 122 and reducing the cleaning process.

[0126] In addition, on the side close to the slurry tank body 20, the feed pipe 13 and the delivery pipeline 30 can be additionally provided with a manual valve body, so that when necessary, it is convenient to realize the manual control of the slurry in the slurry tank body 20. A fifth valve body 45 is provided at the other end of the delivery pipeline 30 away from the slurry tank body 20, and the slurry outlet 1111b and the overflow pipe 16 are both connected between the fifth valve body 45 and the slurry tank body 20. The fifth valve body 45 is used to control whether the slurry enters the pumping device 50. The fifth valve body 45 can be a hydraulic valve body or an electric valve body, etc., which is not limited here. The pumping device 50 can be a spiral conveying structure. In an example, the delivery pipeline 30 between the fifth valve body 45 and the slurry tank body 20 can accommodate the slurry in the slurry tank body 20, so that the slurry can be discharged from the slurry tank body 20, and then stabilized in the delivery pipeline before being transported through the pumping device 50, which is conducive to improving the accuracy of pumping, thereby improving the accuracy of subsequent processing of the slurry.

[0127] The utility model also provides a battery processing system, including any of the slurry processing equipment 100 described above. The slurry viscosity detection device 10 in the slurry processing equipment 100 of the battery processing system adopts all the technical solutions of all the above embodiments, and therefore at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here one by one.

[0128] In this example, the battery processing system may also include a slurry coating device, which is located downstream of the slurry processing device 100, so that the processed slurry is coated on the current collector to form positive and negative electrodes. Of course, the battery processing system also includes a coiling device and other subsequent processing equipment, which will not be described in detail here.

[0129] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A slurry viscosity detection device, characterized in that: The slurry viscosity detection device comprises: A storage container, wherein the storage container is formed with a slurry inlet and a slurry outlet, wherein the slurry outlet is located at the bottom surface of the storage container, and the slurry inlet and the slurry outlet are configured to communicate with the lower end of the slurry tank body and the conveying flow channel respectively; a viscosity detection member, wherein a detection end of the viscosity detection member is disposed in the storage container; and A control component is electrically connected to the viscosity detection component to drive the viscosity detection component to detect the viscosity of the slurry in the storage container.

2. The slurry viscosity detection device according to claim 1, characterized in that: The slurry inlet is formed on a side surface of the storage container and is arranged away from a bottom surface of the storage container.

3. The slurry viscosity detection device according to claim 2, characterized in that: A feed pipe is installed at the slurry inlet, and the height of one end of the feed pipe away from the slurry inlet is higher than the height of the slurry inlet; The slurry outlet is equipped with a discharge pipe, and the discharge pipe is extended in a vertical direction at least at one end close to the storage container.

4. The slurry viscosity detection device according to claim 1, characterized in that: The slurry inlet is formed on the bottom surface of the storage container.

5. The slurry viscosity detection device according to claim 4, characterized in that: The bottom of the storage container is provided with a three-way pipe, and the bottom surface of the storage container is provided with a communication port; One pipe head of the three-way pipe is installed at the connecting port, and the other two pipe heads of the three-way pipe respectively form the slurry inlet and the slurry outlet.

6. The slurry viscosity detection device according to claim 5, characterized in that: One pipe head of the three-way pipe is extended in the vertical direction, and the other two pipe heads of the three-way pipe are arranged at an angle with the horizontal plane.

7. The slurry viscosity detection device according to any one of claims 1 to 6, characterized in that: The storage container comprises an outer shell and a measuring container disposed in the outer shell, the outer shell is provided with the slurry inlet and the slurry outlet, one end of the measuring container is open and spaced from the top wall of the outer shell, the other end of the measuring container is connected to the slurry outlet, and the slurry inlet is connected to the inside of the measuring container; An overflow port is also provided on the side of the shell, and the overflow port is communicated with an open end of the measuring container.

8. The slurry viscosity detection device according to claim 7, characterized in that: An overflow pipe is installed at the overflow port, the height of one end of the overflow pipe away from the overflow port is lower than the height of one end of the overflow pipe connected to the overflow port, and the end of the overflow pipe away from the overflow port is used to be connected to the delivery channel; And / or, the measuring container has a funnel-shaped structure.

9. The slurry viscosity detection device according to claim 7, characterized in that: The housing comprises a housing body and a cover body, wherein the housing body is formed with a cavity for mounting the measuring container, the cover body covers the opening of the cavity, and the housing body is provided with the slurry inlet and the slurry outlet; A mounting hole is provided in the middle of the cover body, a sealing component is installed at the mounting hole, and a detection end of the viscosity detection member passes through the sealing component and is located in the opening of the measuring container.

10. The slurry viscosity detection device according to claim 9, characterized in that: The viscosity detection component is a rotary viscometer, and the sealing component is a labyrinth sealing structure.

11. The slurry viscosity detection device according to any one of claims 1 to 6, characterized in that: The storage container is a constant temperature container.

12. A slurry processing equipment, characterized in that: It comprises a slurry tank body, a conveying pipeline and a slurry viscosity detection device as described in any one of claims 1 to 11, wherein the conveying pipeline forms the conveying channel and one end is connected to the slurry tank body, and the slurry inlet and the slurry outlet of the slurry viscosity detection device are respectively connected to the slurry tank body and the conveying channel.

13. The slurry processing equipment according to claim 12, characterized in that: The slurry processing equipment further comprises a valve assembly, the valve assembly is electrically connected to the control element, and the valve assembly comprises a first valve body, a second valve body and a third valve body; The first valve body is arranged between the slurry tank body and the slurry inlet, the second valve body is arranged between the slurry outlet and the conveying channel, the third valve body is arranged between the slurry tank body and the conveying channel, and the control component controls the second valve body to open before the next detection.

14. A battery processing system, characterized in that: Comprising the slurry processing equipment as described in claim 12 or 13.

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