Formed foil capacity detection device
By designing a capacity detection device for electrolytic foil and using an overflow port and a liquid collection device to manage the liquid level of the specific volume liquid, the error problem in capacity detection of electrolytic foil was solved, achieving high-precision and high-safety detection results.
Patent Information
- Application Number
- CN202423093927.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing methods for detecting the capacity of formed foil are prone to errors, leading to inaccurate test results.
A specific volumetric liquid capacity testing device was designed, including a specific volume meter, a clamping bracket, a stainless steel cup, a pad, and a liquid collection device. The liquid level of the specific volumetric liquid is managed through the overflow port and the liquid collection device to ensure that the immersion area of the lower half of the formed foil is fixed at 5 cm². The pad is made of insulating material to prevent current leakage.
This improved the accuracy and repeatability of capacity testing for electroformed foil, ensured the accuracy of test results, and enhanced experimental safety and operational efficiency.
Smart Images
Figure CN223808381U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electrode foil detection, and specifically relates to a formed foil capacity detection device. BACKGROUND
[0002] The formed foil is a core material for producing aluminum electrolytic capacitors, and its quality is one of the key factors determining the performance of the aluminum electrolytic capacitors. The capacity detection can ensure the quality and performance of the formed foil, and meet the application requirements in the fields of electronics, aviation, aerospace, energy, etc.
[0003] The existing formed foil capacity detection is mainly through the finished product sampling detection, the foil sample is cut into a handle sample piece with the lower half being 1cm wide*5cm long, the middle notch part being 0.3cm wide*1cm long, and the upper half being 0.6cm wide*5cm long by a stamping die, the foil sample handle is connected to the positive electrode of the specific volume instrument after the peripheral oxide film is repaired, the stainless steel cup contains the specific volume liquid connected to the negative electrode of the specific volume instrument, the 1cm*5cm =5cm 2 area foil sample of the lower half of the test sample is soaked in the specific volume liquid for capacity detection, and the capacity data of the 5cm 2 area foil sample is detected. When the foil clamping detection is carried out, the foil sample of the lower half of the test sample is completely soaked in the solution by visual inspection, but the visual inspection method is prone to errors, when the test sample immersion position is low, the formed liquid is soaked in the middle notch place, so that the detection area is greater than 5cm 2 , which leads to the detection result being too large, and when the test sample immersion position is high, the lower half of the formed foil cannot be completely soaked in the formed liquid 5cm 2 , which makes the detection result too small. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a formed foil capacity detection device with high detection precision, to solve the technical problem that the formed foil capacity is prone to errors when detected by the prior art.
[0005] In order to solve the above technical problems, the utility model adopts the following scheme:
[0006] The application discloses a kind of formation foil capacity detection devices for detecting formation foil, including specific volume apparatus, clamping plate support, stainless steel cup, backing plate and liquid collecting device;The stainless steel cup contains specific volume liquid;The upper half of the formation foil is clamped on the clamping plate support, and the lower half is located in the stainless steel cup;The backing plate is located at the bottom of the stainless steel cup;One side of the stainless steel cup is provided with overflow port;The overflow port is 5cm away from the backing plate surface at the bottom end of the stainless steel cup;The liquid collecting device is connected with the overflow port;The positive electrode of the specific volume apparatus is connected with the formation foil, and the negative electrode is connected with the stainless steel cup.The upper half of the formation foil is clamped on the foil clamping support, and the positive electrode of the specific volume apparatus is connected, the negative electrode of the specific volume apparatus is connected with the stainless steel cup, the lower half of the formation foil is placed in the stainless steel cup, the bottom end is in contact with the backing plate at the bottom end of the inner wall of the stainless steel cup, and the specific volume liquid with a height of 5cm always makes the area of the formation foil immersed in the specific volume liquid fixed as 5cm 2 Soak, put the specific volume liquid in the formation foil into the overflow port from the overflow port to the liquid collecting device, so that the height of the specific volume liquid for soaking the formation foil is guaranteed to be 5cm, and the specific volume apparatus is opened for detection.
[0007] Further, the liquid collecting device includes a liquid collecting pool, a hand pump, an overflow pipe and a flow guide pipe;One end of the overflow pipe is connected with the overflow port, and the other end is connected with the liquid collecting pool;The hand pump is installed above the liquid collecting pool;One end of the flow guide pipe is connected with the hand pump, and the other end extends into the stainless steel cup.Both the stainless steel cup and the liquid collecting pool contain specific volume liquid, when the specific volume liquid level of the stainless steel cup is higher than the overflow port, the specific volume liquid overflows into the liquid collecting pool through the overflow pipe, at this time, the height of the specific volume liquid level of the stainless steel cup from the backing plate surface at the bottom end of the stainless steel cup is always 5cm, when the specific volume liquid level in the stainless steel cup is lower than the overflow port, the specific volume liquid in the liquid collecting pool is pumped into the stainless steel cup through the hand pump on the liquid collecting pool, so that the specific volume liquid for soaking the formation foil is maintained at 5cm.
[0008] Further, the stainless steel cup is provided with a vertical fixed support;The vertical fixed support is fixedly installed on the backing plate;The lower half of the formation foil is inserted into the vertical fixed support, and the backing plate is made of insulating material.The formation foil is placed in the stainless steel cup by inserting into the vertical fixed support, so as to ensure that the formation foil maintains a fixed position during detection, and the backing plate is made of insulating material, so as to avoid the phenomenon that current leaks out from the bottom end of the stainless steel cup during detection.
[0009] The working principle of the utility model is as follows:
[0010] When capacity test is carried out, the lower half of the sample with repaired peripheral oxide film is inserted into the vertical fixed support, the bottom is in complete contact with the backing plate, and the upper half is fixed through the clamping plate support, at this time, the area of the sample immersed in the specific volume liquid is fixed as 5cm 2The positive electrode of the specific volume instrument is connected to the formation foil, and the negative electrode is connected to the stainless steel cup, and the specific volume instrument is started to detect the formation foil sample, in the process of inserting the sample into the vertical fixing support, the specific volume liquid is raised, the raised specific volume liquid flows out from the overflow port, and is collected in the collecting tank through the overflow pipe, so that the height of the specific volume liquid surface of the stainless steel cup from the surface of the pad is always 5cm, when the formation foil is taken out for the next test, the specific volume liquid in the collecting tank is pumped into the stainless steel cup through the hand pressure pump on the collecting tank, so that the height of the specific volume liquid surface in the stainless steel cup from the surface of the pad is always maintained at 5cm, the immersion height of the formation foil is ensured, and therefore the detection precision is improved.
[0011] The beneficial effects of the utility model are as follows:
[0012] 1、The utility model discloses a overflow port and liquid collecting device can effectively manage the liquid level of specific volume liquid, the height of the specific volume liquid in the stainless steel cup from the surface of the pad is always maintained at 5cm, the consistency of the specific volume liquid surface height during the detection is guaranteed, the bottom end of the lower half of the formation foil contacts the pad surface of the inner wall bottom end of the stainless steel cup, the area of the formation foil immersed in the specific volume liquid is always fixed as 5cm2, the accuracy and repeatability of the detection result are guaranteed, and therefore the precision of formation foil capacity detection is improved.
[0013] 2、The utility model discloses a pad made of insulating material, effectively avoids the risk of current leakage from the bottom end of the stainless steel cup during the electrochemical reaction, improves the safety of the experiment, and the hand pressure pump is convenient for the operator to adjust the specific volume liquid level in the stainless steel cup, and therefore the efficiency of the experiment and the convenience of the operation are improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the front view structural schematic drawing of the utility model;
[0015] Figure 2 It is the front view sectional structure schematic drawing of the utility model.
[0016] In the drawing: 1, specific volume instrument;2, clamping plate support;3, stainless steel cup;31, overflow port;4, vertical fixing support;5, collecting tank;6, hand pressure pump;7, overflow pipe;8, formation foil;9, specific volume liquid;10, pad;11, flow guide pipe. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.
[0018] The utility model discloses a kind of formation foil capacity detection devices, which is described in further detail below with reference to the accompanying drawings. Example 1
[0019] A kind of formation foil capacity detection device, for detecting formation foil 8, including specific volume meter 1, clamping plate support 2, stainless steel cup 3, backing plate 10 and liquid collecting device;The stainless steel cup 3 is filled with specific volume liquid 9;The upper half of the formation foil 8 is clamped on the clamping plate support 2, and the lower half is located in the stainless steel cup 3;The backing plate 10 is located at the bottom of the stainless steel cup 3;One side of the stainless steel cup 3 is provided with overflow port 31;The overflow port 31 is 5cm away from the backing plate 10 surface of the bottom end of the stainless steel cup 3;The liquid collecting device is connected with the overflow port 31;The positive electrode of the specific volume meter 1 is connected with the formation foil 8, and the negative electrode is connected with the stainless steel cup 3.
[0020] The working principle of the present embodiment is as follows:
[0021] When performing capacity test, insert the lower half of the formation foil 8 with repaired peripheral oxide film into the stainless steel cup 3, and the bottom is in complete contact with the backing plate 10 surface at the bottom end of the stainless steel cup 3, and the upper half is fixed by the clamping plate support 2, at this time, the area of the sample immersed in the specific volume liquid 9 is fixed as 5cm 2 Connect the positive electrode of the specific volume meter 1 to the formation foil, and the negative electrode to the stainless steel cup, turn on the specific volume meter 1 to detect the sample of the formation foil 8, in the process of inserting the sample into the stainless steel cup 3, the specific volume liquid 9 will rise, the specific volume liquid 9 rising out of the overflow port 31, overflow into the liquid collecting device for collection, so that the liquid level of the specific volume liquid 9 in the stainless steel cup 3 is always 5cm away from the height of the backing plate 10 surface at the bottom end of the stainless steel cup 3, guaranteeing the immersion height of the formation foil 8, thereby improving the detection precision. Example 2
[0022] The difference from the embodiment 1 is that the liquid collecting device comprises a liquid collecting pool 5, a hand pump 6, an overflow pipe 7 and a flow guide pipe 11; the overflow pipe 7 is connected with the overflow port 31 at one end and connected with the liquid collecting pool 5 at the other end; the hand pump 6 is installed above the liquid collecting pool 5; the flow guide pipe 11 is connected with the hand pump 6 at one end and extends into the stainless steel cup 3 at the other end. The stainless steel cup 3 and the liquid collecting pool 5 both contain specific volume liquid 9, when the specific volume liquid 9 in the stainless steel cup 3 is higher than the overflow port 31, the specific volume liquid 9 overflows into the liquid collecting pool 5 through the overflow pipe 7, at this time, the height of the specific volume liquid 9 in the stainless steel cup 3 from the bottom end of the mat plate 10 is always 5 cm, when the height of the specific volume liquid 9 in the stainless steel cup 3 from the bottom end of the mat plate 10 is lower than 5 cm, the specific volume liquid 9 in the liquid collecting pool 5 is pumped into the stainless steel cup 3 by pressing the hand pump 6 on the liquid collecting pool 5, so that the height of the specific volume liquid 9 in the stainless steel cup 3 from the bottom end of the mat plate 10 is kept at 5 cm.
[0023] The working principle of the embodiment is the same as that of the embodiment 1. Embodiment 3
[0024] The difference from the embodiment 2 is that the stainless steel cup 3 is provided with a vertical fixed support 4; the vertical fixed support 4 is fixedly installed on the mat plate 10; the lower half of the formed foil 8 is inserted into the vertical fixed support 4, and the bottom end of the stainless steel cup 3 is a mat plate 10 made of insulating material polyvinylidene fluoride. The formed foil 8 is placed in the stainless steel cup 3 by being inserted into the vertical fixed support 4, so as to ensure that the formed foil 8 keeps a fixed position during detection, and the mat plate 10 made of polyvinylidene fluoride can avoid the phenomenon that current leaks from the bottom end of the stainless steel cup 3 during detection.
[0025] The working principle of the embodiment is the same as that of the embodiment 2.
[0026] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A formation foil capacity detection device for detecting a formation foil (8), characterized by: The specific volume apparatus (1), the clamping plate support (2), the stainless steel cup (3), the backing plate (10) and the liquid collecting device are included; the stainless steel cup (3) contains specific volume liquid (9); the upper half of the formation foil (8) is clamped on the clamping plate support (2), and the lower half is located in the stainless steel cup (3); the backing plate (10) is located at the bottom of the stainless steel cup (3); the overflow port (31) is formed on one side of the stainless steel cup (3); the overflow port (31) is 5 cm away from the bottom end of the stainless steel cup (3); the liquid collecting device is connected with the overflow port (31); the positive electrode of the specific volume apparatus (1) is connected with the formation foil (8), and the negative electrode is connected with the stainless steel cup (3).
2. The formation foil capacity detection device according to claim 1, characterized by: The liquid collecting device includes a liquid collecting pool (5), a hand pressure pump (6), an overflow pipe (7) and a flow guide pipe (11); one end of the overflow pipe (7) is connected with the overflow port (31), and the other end is connected with the liquid collecting pool (5); the hand pressure pump (6) is installed above the liquid collecting pool (5); one end of the flow guide pipe (11) is connected with the hand pressure pump (6), and the other end extends into the stainless steel cup (3).
3. The formation foil capacity detection device according to claim 1, characterized by: The stainless steel cup (3) is provided with a vertical fixed support (4); the vertical fixed support (4) is fixedly installed on the backing plate (10); the lower half of the formation foil (8) is inserted into the vertical fixed support (4).