Pole piece moisture monitoring device

Abstract

The utility model provides an electrode piece moisture monitoring devices relates to the technical field of lithium cell, and this electrode piece moisture monitoring devices, including device main part, device main part includes a plurality of monitoring cavities, a plurality of monitoring cavities are sequentially arranged along the length direction of device main part, be provided with the isolation screen cloth in monitoring cavity, be provided with the water absorption ball on isolation screen cloth. The utility model provides the device main part of electrode piece moisture monitoring devices is provided with a plurality of monitoring cavities, and the structure of each monitoring cavity is basically same, by placing the electrode piece from the upper opening into the monitoring cavity and contacting with the water absorption ball, the water absorption ball can absorb the water on the electrode piece, and after the saturation of water absorption ball, the water in water absorption ball can be separated and fall to the below of monitoring cavity, by reading how much water in monitoring cavity, judge the moisture of corresponding electrode piece, so realize the rough measurement of the moisture of electrode piece, and it is convenient for the production to monitor the moisture content of electrode piece and control electrode piece circulation time.

Description

Technical Field

[0001] This utility model relates to the technical field of lithium batteries, and in particular to an electrode moisture monitoring device. Background Technology

[0002] Currently, the water absorption of electrodes before baking is mainly determined by a moisture meter. However, there is no portable device to track the water absorption of each batch of electrodes. Moisture meter testing takes a long time and generally needs to be done in a laboratory, which is inconvenient. Utility Model Content

[0003] The purpose of this invention is to provide an electrode moisture monitoring device to alleviate the technical problem of not being able to detect the moisture content of electrodes in a timely manner during production.

[0004] This utility model provides an electrode moisture monitoring device, including a device body, the device body including a plurality of monitoring chambers, the plurality of monitoring chambers being arranged sequentially along the length direction of the device body; An isolation mesh is installed inside the monitoring cavity, and water-absorbing balls are installed on the isolation mesh. Multiple upper openings are provided at the upper end of the main body of the device, and each upper opening corresponds to one monitoring cavity.

[0005] In an optional embodiment, the main body of the device is provided with a plurality of first identifiers, each of which corresponds to one of the monitoring cavities. In an optional implementation, the main body of the device is provided with multiple sets of scale markings, each set of scale markings corresponding to a monitoring cavity.

[0006] In an optional embodiment, the main body of the device is provided with a plurality of second identifiers, each of which corresponds to one of the monitoring cavities.

[0007] In an optional embodiment, the main body of the device is provided with five monitoring cavities.

[0008] In an optional embodiment, the main body of the device is made of a transparent material. In an optional embodiment, the isolation mesh includes an isolation frame and a mesh body, wherein the isolation frame is disposed around the periphery of the mesh body. In an optional embodiment, an annular protrusion is provided inside the monitoring cavity, and the isolation frame is disposed on the annular protrusion, the annular protrusion being used to support the isolation mesh. In an optional embodiment, the device body is provided with a sealing cover for sealing the upper opening. In an optional embodiment, at least one hanging member is provided on the main body of the device, the hanging member being used to fix the main body of the device.

[0009] The electrode moisture monitoring device provided by this utility model has multiple monitoring chambers on its main body. Each monitoring chamber has a basically the same structure. An isolation mesh is set inside the monitoring chamber, and an absorbent ball is placed on the isolation mesh. When it is necessary to detect the moisture of the electrode, the electrode is placed into the monitoring chamber from the top opening and comes into contact with the absorbent ball. The absorbent ball absorbs the water on the electrode, and after the absorbent ball is saturated, the water inside the absorbent ball will precipitate out and fall to the bottom of the monitoring chamber. By reading the amount of water in the monitoring chamber, the moisture content of the corresponding electrode can be determined. This achieves a rough measurement of the moisture of the electrode, which is convenient for monitoring the moisture content of the electrode and controlling the electrode turnover time in production. The device is simple and easy to observe. Attached Figure Description

[0010] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0011] Figure 1 A schematic diagram of the electrode moisture monitoring device provided in this embodiment of the utility model; Figure 2 for Figure 1 The diagram shown is a longitudinal section of the structure of the electrode moisture monitoring device. Figure 3 for Figure 2 The diagram shows a partial enlarged view of section A of the longitudinal section of the schematic diagram of the electrode moisture monitoring device shown. Figure 4 for Figure 1 The diagram shows the structure of the isolation mesh fabric of the electrode moisture monitoring device.

[0012] Icons: 100 - Device body; 101 - Annular protrusion; 200 - Sealing cover; 300 - Hanger; 400 - Top opening; 500 - Monitoring cavity; 600 - Isolation netting; 601 - Isolation frame; 602 - Netting body. Detailed Implementation

[0013] The terms “first,” “second,” “third,” etc., are used only for distinguishing descriptions and do not indicate a sequence number, nor should they be interpreted as indicating or implying relative importance.

[0014] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0015] In the description of this application, it should be noted that the terms "inner", "outer", "left", "right", "upper", "lower", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0016] In the description of this application, unless otherwise expressly specified and limited, the terms “set up,” “install,” “connect,” and “link” shall be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; as a mechanical connection or an electrical connection; as a direct connection or an indirect connection through an intermediate medium; or as a connection within two components.

[0017] The technical solution of this application will now be clearly and completely described with reference to the accompanying drawings.

[0018] Example Reference Figures 1-4 This utility model provides an electrode moisture monitoring device, including a device body 100, the device body 100 including a plurality of monitoring chambers 500, the plurality of monitoring chambers 500 being arranged sequentially along the length direction of the device body 100; An isolation mesh 600 is provided inside the monitoring cavity 500, and water-absorbing balls are provided on the isolation mesh 600; a plurality of upper openings 400 are provided at the upper end of the main body 100 of the device, and each upper opening 400 corresponds to one monitoring cavity 500.

[0019] In some embodiments, the main body 100 of the electrode moisture monitoring device has a plurality of monitoring cavities 500, which are arranged sequentially along the length of the main body 100; the main body 100 may also have a plurality of device components, each device component having a monitoring cavity 500; the plurality of device components are spliced ​​together to form the main body 100.

[0020] An isolation mesh 600 is installed inside the monitoring cavity 500. The water-absorbing ball can be placed on the isolation mesh 600. The water-absorbing ball cannot pass through the isolation mesh 600, but the water can flow down through the isolation mesh 600.

[0021] Each monitoring chamber 500 is equipped with an upper opening 400. The water-absorbing ball enters the isolation mesh 600 of the monitoring chamber 500 through the upper opening 400. The electrode is also placed into the monitoring chamber 500 through the upper opening 400 and comes into contact with the water-absorbing ball. The water-absorbing ball absorbs the water from the electrode. When the water-absorbing ball is saturated, it discharges the excess water into the lower end of the isolation mesh 600. By measuring the amount of water extracted by the water-absorbing ball, the real-time moisture content of the electrode can be quickly estimated. This facilitates monitoring the moisture content of the electrode and controlling the electrode turnover time during production. The device is simple and easy to observe.

[0022] In an optional embodiment, the device body 100 is provided with a plurality of first identifiers, each of which corresponds to one of the monitoring cavities 500. In some embodiments, the main body 100 of the device has multiple monitoring cavities 500. For the convenience of recording and differentiation, each monitoring cavity 500 is provided with a first identifier. For example, multiple first identifiers are letters, numbers or other symbols that can represent order; for example, multiple first identifiers are 1, 2, 3, 4, 5, etc., or multiple first identifiers are ABCDE, etc., and other symbols, etc.

[0023] Multiple primary identifiers can effectively distinguish which monitoring chamber 500 has been used, and which monitoring chamber 500 has been used for testing, etc.

[0024] In an optional embodiment, the main body 100 of the device is provided with multiple sets of scale markings, each set of scale markings corresponding to a monitoring cavity 500.

[0025] In order to measure the volume of water inside the monitoring chamber 500, a scale mark is set on the main body 100 of the device. Each monitoring chamber 500 corresponds to a set of scale marks. In this way, the volume of water inside the monitoring chamber 500 can be effectively measured through the scale mark.

[0026] In an optional embodiment, the device body 100 is provided with a plurality of second identifiers, each of which corresponds to one of the monitoring cavities 500.

[0027] In an optional embodiment, the main body 100 of the device is provided with five monitoring cavities 500.

[0028] In an optional embodiment, the main body 100 of the device is made of a transparent material. In some embodiments, the device body 100 is provided with a plurality of second identifiers, each of which corresponds to an ambient humidity. For example, the device body 100 is provided with five monitoring chambers 500, and the five second identifiers are 10RH%, 30RH%, 50RH%, 70RH%, and 90RH respectively; other humidity levels may also be provided.

[0029] To facilitate observation of the amount of water in the monitoring cavity 500 of the main body 100 of the device, the main body 100 is made of a transparent material, such as transparent glass or transparent acrylic, so that the water level in the monitoring cavity 500 can be measured in real time.

[0030] Through extensive experiments in the early stages, the scale markings corresponding to the water droplets from the absorbent bulb falling into the container below were recorded under different humidity levels. This data corresponds to the moisture content of the electrode, establishing a relationship between "electrode moisture content - water droplet scale markings" to quickly estimate the real-time moisture content of the electrode. This facilitates monitoring the moisture content of the electrode and controlling the electrode turnover time during production. The device is simple and easy to observe.

[0031] Reference Figure 4 In an optional embodiment, the isolation mesh 600 includes an isolation frame 601 and a mesh body 602, wherein the isolation frame 601 is disposed on the periphery of the mesh body 602. Reference Figure 2 and Figure 3 In an optional embodiment, an annular protrusion 101 is provided inside the monitoring cavity 500, and the isolation frame 601 is disposed on the annular protrusion 101. The annular protrusion 101 is used to support the isolation mesh 600. In some embodiments, the isolation mesh 600 has an isolation frame 601 and a mesh body 602. The cross-section of the monitoring cavity 500 can be rectangular or circular, and the isolation frame 601 is a rectangular frame or annular frame. The isolation mesh 600 is disposed on the isolation frame 601. When the isolation mesh 600 is assembled inside the monitoring cavity 500, the annular protrusion 101 abuts against the isolation frame 601, thereby fixing the isolation mesh 600 at a specified height. Furthermore, the gap between the isolation mesh 600 and the inner wall of the monitoring cavity 500 is small, and the water-absorbing ball cannot pass through the gap between the monitoring cavity 500 and the isolation mesh 600.

[0032] In an optional embodiment, a sealing cover 200 is provided on the main body 100 of the device, the sealing cover 200 being used to seal the upper opening 400. To avoid the influence of the surrounding environment on the monitoring structure, a sealing cover 200 is provided at the upper opening 400. The sealing cover 200 is in the closed state. When it is necessary to put the electrode into the isolation mesh 600, the sealing cover 200 is opened, and the electrode can be put into the monitoring cavity 500 through the upper opening 400. During the detection of the electrode, the sealing cover 200 is in the closed state.

[0033] In an optional embodiment, at least one hanging member 300 is provided on the device body 100, the hanging member 300 being used to fix the device body 100.

[0034] In some embodiments, a hanger 300 is provided on the device body 100. The hanger 300 may be a hook or other part that can be connected to a fixed object. A hook is provided on the side of the device body 100 without scale markings, and the device body 100 is suspended by the hook. The hanger 300 may also be other parts.

[0035] The electrode moisture monitoring device provided by this utility model has multiple monitoring chambers 500 on its main body 100. Each monitoring chamber 500 has a basically the same structure. An isolation mesh 600 is set inside the monitoring chamber 500, and an absorbent ball is placed on the isolation mesh 600. When it is necessary to detect the moisture of the electrode, the electrode is placed into the monitoring chamber 500 through the upper opening 400 and comes into contact with the absorbent ball. The absorbent ball will absorb the water on the electrode. After the absorbent ball is saturated, the water inside the absorbent ball will precipitate out and fall to the bottom of the monitoring chamber 500. By reading the amount of water in the monitoring chamber 500, the moisture of the corresponding electrode can be determined. This achieves a rough measurement of the moisture of the electrode, which is convenient for monitoring the moisture content of the electrode and controlling the electrode turnover time in production. The device is simple and easy to observe.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for monitoring electrode moisture content, characterized in that, The device includes a main body (100), which includes a plurality of monitoring cavities (500), which are arranged sequentially along the length of the main body (100). An isolation mesh (600) is provided inside the monitoring cavity (500), and water-absorbing balls are provided on the isolation mesh (600); multiple upper openings (400) are provided at the upper end of the main body (100) of the device, and each upper opening (400) corresponds to one monitoring cavity (500).

2. The electrode moisture monitoring device according to claim 1, characterized in that, The main body (100) of the device is provided with a plurality of first identifiers, each of which corresponds to one of the monitoring cavities (500).

3. The electrode moisture monitoring device according to claim 2, characterized in that, The main body (100) of the device is provided with multiple sets of scale markings, each set of scale markings corresponding to a monitoring cavity (500).

4. The electrode moisture monitoring device according to claim 3, characterized in that, The main body (100) of the device is provided with a plurality of second identifiers, each of which corresponds to one of the monitoring cavities (500).

5. The electrode moisture monitoring device according to claim 4, characterized in that, The main body (100) of the device is provided with five monitoring chambers (500).

6. The electrode moisture monitoring device according to claim 1, characterized in that, The main body (100) of the device is made of a transparent material.

7. The electrode moisture monitoring device according to claim 6, characterized in that, The isolation mesh (600) includes an isolation frame (601) and a mesh body (602), wherein the isolation frame (601) is disposed on the periphery of the mesh body (602).

8. The electrode moisture monitoring device according to claim 7, characterized in that, The monitoring cavity (500) is provided with an annular protrusion (101), and the isolation frame (601) is disposed on the annular protrusion (101). The annular protrusion (101) is used to support the isolation mesh (600).

9. The electrode moisture monitoring device according to any one of claims 1-8, characterized in that, A sealing cover (200) is provided on the main body (100) of the device, and the sealing cover (200) is used to seal the upper opening (400).

10. The electrode moisture monitoring device according to claim 1, characterized in that, At least one hanger (300) is provided on the main body (100) of the device, and the hanger (300) is used to fix the main body (100) of the device.

Images