Exhaust device and filter comprising the same

Abstract

The present invention provides an exhaust device and a filter including the exhaust device, the exhaust device including: a main body unit having a groove of an oblique line shape formed therein; and an insertion unit having a protrusion coupled to the oblique-line-shaped groove, in which a space is formed between the insertion unit and the main body unit due to movement of the protrusion in a state in which the protrusion is coupled to the oblique-line-shaped groove, and wherein the slash-shaped groove includes a first hooking groove at one side end and a second hooking groove at the other side end.

Description

Technical Field

[0001] Cross-references to related applications

[0002] This application claims priority and benefit to Korean Patent Application No. 10-2024-0105885, filed on August 8, 2024, the disclosure of which is incorporated herein by reference in its entirety.

[0003] The present invention relates to an exhaust device and a filter including the exhaust device. Background Technology

[0004] Due to the rapid growth in fossil fuel use, the demand for alternative or clean energy sources is increasing, and as part of this, the field of electrochemical power generation and energy storage is being studied.

[0005] Currently, secondary batteries are a representative example of electrochemical devices that utilize this electrochemical energy, and their application tends to expand gradually.

[0006] Recently, with the technological advancements and increasing demand for mobile devices such as portable computers, mobile phones, and cameras, the demand for secondary batteries has increased due to the rapid increase in energy consumption. Among such secondary batteries, lithium-ion batteries, which exhibit high charge / discharge characteristics, long cycle life, and are environmentally friendly, have been extensively studied and are already commercially available and widely used.

[0007] This lithium secondary battery is manufactured by incorporating an electrode assembly, including electrodes and a separator, together with an electrolyte into a secondary battery casing. The electrodes are manufactured by applying an electrode slurry containing active material onto a current collector, then drying and rolling the resulting layer.

[0008] At this point, in order to remove impurities generated during the mixing, conveying, and supplying of the electrode slurry, a filtration process is performed, and the air generated in the filter must be removed. However, if the air generated in the filter is not sufficiently removed, air bubbles become trapped inside the electrode slurry, which can adversely affect the quality of the electrode surface and ultimately lead to performance degradation of the secondary battery as the final product.

[0009] Typically, to remove air from the filter, the operator rotates the vent cap mounted on the top of the filter to vent the air, adjusting the amount of air vented based on the degree of rotation. Therefore, the vent caps used to date may have the following problems: because the amount of air vented varies based on the operator's experience, it is impossible to vent a sufficient amount of air. When the pressure inside the filter is very high, it may cause instability issues with the cap popping out.

[0010] Therefore, there is a need to develop a technology that can solve the problems of the existing technologies mentioned above. Summary of the Invention

[0011] Technical issues

[0012] The object of the present invention is to provide an exhaust device that can solve stability problems such as top cover pop-out while maintaining a constant exhaust air volume, and a filter configured to be connected to the exhaust device.

[0013] Technical solution

[0014] According to one aspect of the present invention, an exhaust device is provided, comprising:

[0015] The main body unit has a groove of an oblique shape formed therein; and

[0016] An insertion unit having a protrusion that engages with the obliquely shaped groove.

[0017] Wherein, with the protrusion connected to the obliquely shaped groove, the movement of the protrusion creates a space between the insertion unit and the main body unit, and

[0018] The obliquely shaped groove includes a first hook groove at one end and a second hook groove at the other end.

[0019] According to another aspect of the invention, a filter is provided that is configured to be connected to the aforementioned exhaust device.

[0020] Beneficial effects

[0021] The present invention provides an advantage in that the protrusion of the insertion unit moves between the first hook-shaped groove and the second hook-shaped groove while connected to the oblique groove of the main body unit, thus venting air. This has the following advantages: a constant amount of air can be maintained regardless of the operator's experience, and the exhaust device or insertion unit will not pop out when connected to the filter. Attached Figure Description

[0022] Figure 1 This is a side view of an exhaust device according to an embodiment of the present invention.

[0023] Figure 2 This is a diagram showing the internal cross-section and fluid flow when the exhaust device is in the open state.

[0024] Figure 3 This is a diagram showing the internal cross-section and fluid flow when the exhaust device is in the closed state. Detailed Implementation

[0025] Various embodiments of the invention will be described in detail below with reference to the accompanying drawings, enabling those skilled in the art to readily practice them. The invention can be modified in various different ways and is not limited to the embodiments set forth herein.

[0026] For clarity in describing the invention, descriptions of components irrelevant to the invention will be omitted, and identical or similar components will be indicated by the same reference numerals throughout the specification.

[0027] For ease of description, the accompanying drawings arbitrarily show the dimensions and thicknesses of each component; therefore, the invention is not necessarily limited to what is shown. The drawings depict thicknesses at an enlarged scale to clearly show different layers and regions. Furthermore, the drawings exaggerate the thickness of a particular layer or region for ease of description.

[0028] When layers, films, regions, plates, etc., are arranged "on" a specific part, this description includes not only the case where layers, films, regions, plates, etc., are arranged "on" a specific part, but also the case where layers, films, regions, plates, etc., are arranged on a specific part via another part. When a component is arranged "directly" on another component, this indicates that there is no new component between the two components. Furthermore, when a component is arranged "on" a reference component, this indicates that the component exists on top of or below the reference component, and does not necessarily indicate that the component is arranged only on top of the reference component opposite to the direction of gravity. Similarly, the case where it is described as being located "on" or "above" another part will also be understood with reference to the above.

[0029] Throughout this description, when a component “includes” another component, it does not indicate that the particular component excludes other components, but rather that the component may also include other components, unless otherwise defined.

[0030] Throughout this text, the term "in a plan view" refers to an object viewed from above, and the term "in a cross-sectional view" refers to a vertical cross-section of an object viewed from the side.

[0031] An exhaust device according to an embodiment of the present invention will now be described.

[0032] Figure 1 This is a side view of the exhaust device 10 according to an embodiment of the present invention.

[0033] Reference Figure 1The exhaust device 10 of the present invention includes a main body unit 100 having a groove 110 of an oblique shape formed therein; and an insertion unit 200 having a protrusion 210 connected to the groove 110, wherein the movement of the protrusion 210 in the connected state to the groove 110 creates a space between the insertion unit 200 and the main body unit 100, and wherein the groove 110 includes a first hook groove 111 at one end and a second hook groove 112 at the other end.

[0034] A groove 110 with a diagonal shape means that a portion of the groove includes a diagonal line.

[0035] According to an embodiment of the present invention, the protrusion 210 may be a shape that protrudes from the body of the insertion unit 200, and its cross-section may be circular, elliptical or polygonal, such as a triangle, or a shape that includes both straight lines and curves, but is not limited thereto.

[0036] In another embodiment of the invention, the cross-section of the protrusion 210 may be circular or elliptical.

[0037] In another embodiment of the present invention, the first hook groove 111 and the second hook groove 112 may have the same or different shapes, and are not limited, as long as they have a shape in which the protrusions 210 can be connected and fixed.

[0038] The main body unit 100 has a groove 110 in the shape of an oblique line, which includes a first hook groove 111 at one end and a second hook groove 112 at the other end, and the protrusion 210 of the insertion unit 200 is connected to the groove 110 in the shape of an oblique line.

[0039] According to an embodiment of the present invention, the second hook groove 112 is located above the first hook groove 111 in the longitudinal direction of the main body unit 100. Specifically, when the insertion unit 200 is connected to the upper part of the main body unit 100, the second hook groove 112 is positioned closer to the outer end of the insertion unit 200 (i.e., the other side of the end inserted into the main body unit 100) than the first hook groove 111.

[0040] According to an embodiment of the present invention, the main body unit 100 includes a main body portion 100-1 and a connecting portion 100-2. The main body portion 100-1 has a groove 110 in the shape of an oblique line formed in the main body portion 100-1. The connecting portion 100-2 is formed at one end of the main body portion 100-1, and the outer peripheral surface of the connecting portion 100-2 includes a first screw portion 113 in which a thread is formed.

[0041] As described above, the second hook groove 112 is located above the first hook groove 111 in the length direction of the main body unit 100. In other words, when the connecting portion 100-2 is located below the main body portion 100-1, the second hook groove 112 is located above the first hook groove 111, specifically, in the upper part of the length direction of the main body unit 100.

[0042] Furthermore, in an embodiment of the present invention, when the connecting portion 100-2 is located below the main body portion 100-1, the second hook groove 112 is located to the left of the first hook groove 111. That is, when the connecting portion 100-2 of the main body unit 100 is arranged close to the ground, the second hook groove 112 can be located to the left of the first hook groove 111.

[0043] According to another embodiment, when the connecting portion 100-2 is located below the main body portion 100-1, the second hook groove 112 is located at the upper left portion of the first hook groove 111.

[0044] According to one embodiment of the invention, the insertion unit 200 includes a connecting portion 200-2 having a protrusion 210 that engages with a groove 110 of a bevel shape; and a vertex portion 200-1 formed at one end of the connecting portion 200-2. When venting is performed by the venting device 10, a hose is connected to the vertex portion 200-1 and the air; or air and slurry are discharged through the hose. In this case, the vertex portion 200-1 includes a hook 200-1a, such that the hose connected to the vertex portion 200-1 will not detach due to air pressure (approximately 5 bar or greater).

[0045] The hook 200-1a is not limited, as long as it has a structure that forms jaws protruding toward the connecting part 200-2, so that the connected hose will not come off due to air pressure.

[0046] Furthermore, the protrusion 210 moves between the first hook groove 111 and the second hook groove 112 according to the rotation of the insertion unit 200, thereby forming a space (open state) between the insertion unit 200 and the main body unit 100, or closing the space to change to a closed state.

[0047] In embodiments of the present invention, the rotation direction of the insertion unit 200 can be clockwise or counterclockwise.

[0048] Figure 2 This is a diagram showing the internal cross-section and fluid flow when the exhaust device 10 is in the open state, and Figure 3 This is a diagram showing the internal cross-section and fluid flow when the exhaust device 10 is in the closed state.

[0049] Reference Figure 2 When the insertion unit 200 rotates clockwise, the protrusion 210 moves from the first hook groove 111 to the second hook groove 112, forming a space between the insertion unit 200 and the main unit 100. At this time, air or slurry from the filter is discharged to the outside through the space formed between the insertion unit 200 and the main unit 100. Specifically, when the apex portion 200-1 of the insertion unit 200 rotates clockwise, the protrusion 210, connected to the obliquely shaped groove 110, moves from the first hook groove 111 to the second hook groove 112, forming a space (in an open state) between the insertion unit 200 and the main unit 100, allowing air to pass through. At this time, the protrusion 210 is engaged in the second hook groove 112, ensuring that a certain amount of air is always discharged regardless of the operator's experience, and preventing the insertion unit 200 from popping out even if the internal pressure of the device requiring an exhaust port is high.

[0050] Specifically, when the vertex portion 200-1 rotates clockwise, the insertion unit 200 moves upward in the state of being inserted into the main body unit 100, and when one end of the insertion unit 200 that blocks the fluid (air and slurry) from passing through the main body unit moves upward, a space is formed between the insertion unit 200 and the main body unit 100 (in the open state), so that the fluid moves into the space between them and is discharged to the outside through the space formed inside the insertion unit 200.

[0051] Reference Figure 3 When the insertion unit 200 rotates counterclockwise in the open state, the protrusion 210 moves from the second hook groove 112 to the first hook groove 111, thus leaving no space between the insertion unit 200 and the main body unit 100, thereby achieving a closed state. Specifically, the exhaust device 10 in the open state is configured such that the protrusion 210 connected to the obliquely shaped groove 110 is located in the second hook groove 112. When the apex portion 200-1 of the insertion unit 200 rotates counterclockwise, the protrusion 210 connected to the obliquely shaped groove 110 moves from the second hook groove 112 to the first hook groove 111, thus leaving no space between the insertion unit 200 and the main body unit 100 and achieving a closed state, preventing air from passing through.

[0052] The main body unit 100 and the insertion unit 200 of the exhaust device 10 according to an embodiment of the present invention can be prepared by a preparation method using a polypropylene (PP) mold or the like, but are not limited thereto, and those skilled in the art can use methods known in the art to prepare the exhaust device 10 using materials that ensure chemical resistance to air and / or slurry passing through the exhaust device 10.

[0053] The exhaust device 10 according to the above embodiments of the present invention can be connected to a filter, and examples of filters may include capsule filters, but can be used anywhere air needs to be removed.

[0054] Furthermore, according to an embodiment of the present invention, the filter may include a second screw portion connected to the first screw portion 113 of the exhaust device 10, and the exhaust device 10 and the filter may be connected to each other via a screw connection between the first screw portion 113 and the second screw portion (not shown). Thus, even if the internal pressure of the filter is high, the exhaust device 10 can be prevented from popping out.

[0055] In embodiments of the present invention, the filter connected to the exhaust device 10 can be applied anywhere filtration is required in the preparation and supply process of the electrode slurry. Examples of applications of the filter connected to the exhaust device 10 include the main mixer, transfer tank, and supply tank of the electrode slurry. However, the present invention is not limited thereto and can be applied to various devices requiring venting.

[0056] Although preferred embodiments of the invention have been shown and described above, the scope of the invention is not limited thereto, and those skilled in the art can make many other changes and modifications to the embodiments using the basic principles of the invention as defined in the appended claims, which also fall within the spirit and scope of the invention.

[0057] [Symbol Explanation]

[0058] 10: Exhaust device

[0059] 100: Main Unit

[0060] 100-1: Main Body

[0061] 100-2: Connection part

[0062] 110: A groove in the shape of a slant line

[0063] 111: First hook groove

[0064] 112: Second hook groove

[0065] 113: First screw section

[0066] 200: Insertion unit

[0067] 200-1: Vertex section

[0068] 200-1a: Hook

[0069] 200-2: Connection Part

[0070] 210: Protrusion

Claims

1. An exhaust device, comprising: A main body unit having a groove of an oblique shape formed therein; as well as An insertion unit having a protrusion that engages with the obliquely shaped groove. Wherein, with the protrusion connected to the obliquely shaped groove, the movement of the protrusion creates a space between the insertion unit and the main body unit, and The obliquely shaped groove includes a first hook groove at one end and a second hook groove at the other end.

2. The exhaust device according to claim 1, in, Along the length of the main body unit, the second hook groove is located at the upper part relative to the first hook groove.

3. The exhaust device according to claim 1, When the insertion unit rotates clockwise, the protrusion moves from the first hook groove to the second hook groove to form the space between the insertion unit and the main body unit. When the insertion unit rotates counterclockwise, the protrusion moves from the second hook groove to the first hook groove so as to leave no space between the insertion unit and the main body unit.

4. The exhaust device according to claim 1, in, The main body unit includes a main body portion having a groove of the oblique shape formed therein; and A connecting portion is formed at one end of the main body portion, and The outer peripheral surface of the connecting portion includes a first screw portion in which a thread is formed.

5. The exhaust device according to claim 4, in, When the connecting portion is positioned below the main body portion, the second hook groove is located at the upper left portion of the first hook groove.

6. The exhaust device according to claim 1, The insertion unit includes a connecting portion having a protrusion that engages with the groove of the inclined shape; and The vertex portion is formed at one end of the connecting part.

7. The exhaust device according to claim 6, The vertex portion includes a grappling hook.

8. A filter configured to be connected to an exhaust device according to any one of claims 1 to 7.

9. The filter according to claim 8, It includes a second screw portion that is connected to the first screw portion of the connecting portion.

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