CN114023565A - High-density alternating current foil corrosion method and system for starting motor - Google Patents
High-density alternating current foil corrosion method and system for starting motor Download PDFInfo
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- CN114023565A CN114023565A CN202111415012.7A CN202111415012A CN114023565A CN 114023565 A CN114023565 A CN 114023565A CN 202111415012 A CN202111415012 A CN 202111415012A CN 114023565 A CN114023565 A CN 114023565A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 155
- 230000007797 corrosion Effects 0.000 title claims abstract description 154
- 239000011888 foil Substances 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims description 44
- 239000012530 fluid Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims 3
- 239000003990 capacitor Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/055—Etched foil electrodes
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- Engineering & Computer Science (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention relates to a high-density alternating current foil corrosion method and a system for starting a motor. The system comprises more than one continuous corrosion boxes, wherein the corrosion boxes are horizontally arranged, alternating current foils between adjacent corrosion boxes are changed in direction through hot rollers or cold rollers, the outer side of one end, entering the alternating current foils, of each corrosion box is provided with a hot roller, and the hot rollers are positioned on the anode side of the alternating current foils; the opening has been seted up to a set of relative limit of corruption case, and exchange foil gets into from an opening, and another opening goes out. The invention realizes that the AC foil anode is more compact, and the anode can be more fully electrolyzed in the corrosion process in the system design.
Description
Technical Field
The invention relates to a high-density alternating current foil corrosion method and system for starting a motor, and belongs to the technical field of corrosion foil manufacturing.
Background
The manufacturing process of the etched foil is to etch the bright foil surface to increase the surface roughness and form a matte state, and the etched foil has a rough surface and larger storage capacitance when used as an alternating current foil.
At present, conventional medium-high voltage corrosion foil is mainly adopted for manufacturing motor capacitors in the industry, and the motor capacitors have insufficient charge and discharge resistance and short service life; the analysis reason is that the oxide film on the surface of the anode foil, which is the main material for manufacturing the motor capacitor, is not compact enough, and deteriorates after a certain number of (less) charging and discharging so that the withstand voltage is reduced, the loss is large, the temperature is increased, the loss of the electrolyte in the capacitor is accelerated, a large amount of gas is generated, the core package in the capacitor is dried up, the explosion-proof valve of the capacitor is opened, the capacitor fails, and finally the motor fails.
Disclosure of Invention
In order to solve the technical problems, the invention provides a high-density alternating current foil corrosion method and a system for starting a motor, and the specific technical scheme is as follows:
the high-density AC foil corrosion method for starting the motor comprises the following steps:
step 1: heating an alternating current foil anode: the temperature of the anode side of the alternating current foil in the corrosive liquid is higher than that of the cathode side of the alternating current foil through the hot roller in contact;
step 2: buffering and retaining the anode corrosive liquid of the alternating current foil: the corrosive liquid is introduced from the position, close to the upper part, of the alternating current foil in the corrosion space, and is impacted into the fluid buffer mechanism by arranging the fluid buffer mechanism, so that the retention time of the corrosive liquid on the top of the corrosion area of the alternating current foil is prolonged;
and step 3: the corrosion foil flows through the corrosion liquid to complete one-time corrosion, when the corrosion effect does not meet the standard, the step 4 is carried out, and when the corrosion effect meets the standard, the step 7 is carried out;
and 4, step 4: reheating the alternating current foil anode: introducing the corrosion foil into another corrosion space beside or above or below the corrosion space in the step 1, and heating the surface of the alternating current foil on the corrosion side of the anode before the alternating current foil enters the corrosion space so that the temperature of the anode side is higher than that of the cathode side;
and 5: buffering and retaining the anode corrosive liquid of the alternating current foil: a group of opposite corrosive liquid inlet pipes are arranged at the downstream end above the flowing of the corrosive foil, a fluid buffer mechanism is arranged between the inlet pipes in the corrosion space,
step 6: repeating the steps 4 and 5 until the anode corrosion of the alternating current foil meets the requirement;
and 7: and (5) draining the corrosion foil into a water washing space, and drying after the water washing is finished.
Further, the ac foil is firstly cleaned by phosphoric acid and dried before entering step 1.
Furthermore, the fluid buffer mechanism is a brush crossing the corrosion foil, the brush is fixed on the central shaft, two ends of the central shaft are erected in the corrosion space through bearings, the brush and the central shaft rotate synchronously, and the rotation resistance of the brush is greater than 1/2 of the impulsive force of the corrosion liquid.
Further, the heating method of the alternating current foil specifically comprises the following steps: before the alternating current foil enters the corrosion space or at the upstream end of the corrosion space, a hot roller and a cold roller which clamp the alternating current foil are arranged, the hot roller is positioned at the anode side of the alternating current foil in the corrosion space, the cold roller is positioned at the cathode side of the alternating current foil in the corrosion space, the temperature difference between the hot roller and the cold roller is not more than 5 ℃, the temperature of the cold roller is not lower than that of the corrosive liquid, the hot roller and the cold roller rotate oppositely, and the rotating direction is consistent with the conveying direction of the alternating current foil.
Further, the linear speed of the hot roller and the cold roller is the same as the moving linear speed of the alternating current foil.
Furthermore, the corrosion space is an independent corrosion box, a liquid inlet pipe is arranged at the downstream end of each corrosion box, which is close to the flowing of the alternating current foil, the liquid inlet pipes are positioned at two sides of the alternating current foil in the transverse direction, and liquid outlet holes are fully distributed at the upstream end of each corrosion box, which is close to the flowing of the alternating current foil.
The high-density alternating current foil corrosion system for starting the motor comprises more than one continuous corrosion boxes, wherein the corrosion boxes are horizontally arranged, alternating current foils between adjacent corrosion boxes change directions through a hot roller or a cold roller, a hot roller is arranged on the outer side of one end, entering the alternating current foils, of each corrosion box, and the hot roller is positioned on the anode side of the alternating current foils; the opening has been seted up to a set of relative limit of corruption case, and exchange foil gets into from an opening, and another opening goes out.
Furthermore, a cold roller is arranged on the outer side of the upstream end of the corrosion box, the corrosion foil penetrates through the position between the hot roller and the cold roller before entering the corrosion box, the cold roller is positioned on the cathode side of the corrosion foil, a hot roller or a cold roller is arranged on the outer side of the downstream end of the corrosion box, and the hot roller or the cold roller is consistent with the hot roller or the cold roller on the same side of the reversing direction according to the steering direction of the corrosion foil.
The brush is positioned on the anode side corroded by the alternating current foil, the brush is fixed at the position close to the middle part of the axial direction of the central shaft, bearings are fixedly sleeved at the positions, close to the end parts, of the two ends of the central shaft, and the bearings penetrate through and are fixed in the wall of the electrolytic tank.
The invention has the beneficial effects that:
the invention increases the anode side corrosion effect by heating the corrosion anode side of the AC foil and adding a fluid buffer mechanism.
The invention can realize that the AC foil anode is more compact, and the anode can be more fully electrolyzed in the corrosion process in the system design. And according to the requirement of electrolyte and alternating current foil on the corrosion degree, a multilayer electrolytic tank can be designed.
Drawings
Figure 1 is a schematic overall outline of an embodiment 2 of the invention,
figure 2 is a schematic view of embodiment 2 of figure 1 in direction a,
in the figure: 1-alternating current foil, 2-through opening, 3-corrosion box, 4-liquid inlet pipe, 5-rotating shaft, 6-liquid permeable hole, 7-hot roller, 8-cold roller, 9-brush, 31-first corrosion box, 32-second corrosion box, 33-third corrosion box and 34-fourth corrosion box.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The high-density AC foil corrosion method for starting the motor comprises the following steps of firstly, carrying out phosphoric acid cleaning and drying on the AC foil:
step 1: heating an alternating current foil anode: the temperature of the anode side of the alternating current foil in the corrosive liquid is higher than that of the cathode side of the alternating current foil through the hot roller in contact; the heating method of the alternating current foil comprises the following specific steps: before the alternating current foil enters the corrosion space or at the upstream end of the corrosion space, a hot roller and a cold roller which clamp the alternating current foil are arranged, the hot roller is positioned at the anode side of the alternating current foil in the corrosion space, the cold roller is positioned at the cathode side of the alternating current foil in the corrosion space, the temperature difference between the hot roller and the cold roller is not more than 5 ℃, the temperature of the cold roller is not lower than that of the corrosive liquid, the hot roller and the cold roller rotate oppositely, and the rotating direction is consistent with the conveying direction of the alternating current foil. The linear speed of the hot roller and the cold roller is the same as the moving linear speed of the alternating current foil.
Step 2: buffering and retaining the anode corrosive liquid of the alternating current foil: corrosive liquid is introduced from the position, close to the upper part, of the alternating current foil in the corrosion space, the corrosion space is an independent corrosion box, a liquid inlet pipe is arranged at the downstream end, close to the flow of the alternating current foil, of each corrosion box, the liquid inlet pipes are located on two sides of the alternating current foil in the transverse direction, and liquid outlet holes are fully distributed at the upstream end, close to the flow of the alternating current foil, of each corrosion box. By arranging the fluid buffer mechanism, the corrosive liquid is impacted into the fluid buffer mechanism, so that the retention time of the corrosive liquid on the top of the corrosion area of the alternating current foil is prolonged; the fluid buffer mechanism is a brush crossing the corrosion foil, the brush is fixed on the central shaft, two ends of the central shaft are erected in the corrosion space through bearings, the brush and the central shaft rotate synchronously, and the rotation resistance of the brush is greater than 1/2 of the impulsive force of the corrosion liquid.
And step 3: the corrosion foil flows through the corrosion liquid to complete one-time corrosion, when the corrosion effect does not meet the standard, the step 4 is carried out, and when the corrosion effect meets the standard, the step 7 is carried out;
and 4, step 4: reheating the alternating current foil anode: introducing the corrosion foil into another corrosion space beside or above or below the corrosion space in the step 1, and heating the surface of the alternating current foil on the corrosion side of the anode before the alternating current foil enters the corrosion space so that the temperature of the anode side is higher than that of the cathode side;
and 5: buffering and retaining the anode corrosive liquid of the alternating current foil: a group of opposite corrosive liquid inlet pipes are arranged at the downstream end above the flowing of the corrosive foil, a fluid buffer mechanism is arranged between the inlet pipes in the corrosion space,
step 6: repeating the steps 4 and 5 until the anode corrosion of the alternating current foil meets the requirement;
and 7: and (5) draining the corrosion foil into a water washing space, and drying after the water washing is finished.
Referring to fig. 1 and 2, a corrosion chamber of a high-density ac foil corrosion system for starting a motor is constructed as shown in fig. 1, and a set of opposite sides of the corrosion chamber 3 are provided with through holes 2, and ac foil enters from one through hole 2 and exits from the other through hole 2. The both sides of corroding the paper tinsel width direction are provided with corrosive liquid feed liquor pipe 4, and are provided with brush 9 between two feed liquor pipes 4, and brush 9 can the rotation, plays the effect of buffering to the corrosive liquid, increases the dwell time of corrosive liquid at corroding paper tinsel low reaches end, increases anodal corrosion effect.
When the corrosion effect of one corrosion tank 3 cannot achieve the expected effect, a plurality of corrosion tanks 3 are required to be connected in series, referring to fig. 2, the corrosion tanks are named as a first corrosion tank 31, a second corrosion tank 32, a third corrosion tank 33 and a fourth corrosion tank 34 from the upstream to the downstream of the corrosion foil, and in order to not increase the depth of the corrosion liquid tank, the corrosion tanks are horizontally arranged, and all the corrosion tanks are immersed in the corrosion liquid.
Alternating current foil 1 between adjacent corrosion boxes is changed in direction through a hot roller 7 or a cold roller 8, a hot roller 7 and a cold roller 8 are arranged on the outer side of one end of each corrosion box entering the alternating current foil 1, the corrosion foil penetrates through the space between the hot roller 7 and the cold roller 8 before entering the corrosion boxes, the cold roller 8 is located on the cathode side of the corrosion foil, and the hot roller 7 is located on the anode side of the alternating current foil 1.
The outer side of the upstream end of the corrosion box is also provided with a hot roller 7 or a cold roller 8, and the outer side of the downstream end of the corrosion box is provided with the hot roller 7 or the cold roller 8 which is consistent with the hot roller 7 or the cold roller 8 on the same side with the reversing direction according to the reversing direction of the corrosion foil. Taking fig. 2 as an example, the corrosion foil in the first corrosion tank 31 enters the corrosion tank from bottom to top, the hot roller 7 and the cold roller 8 are arranged below the corrosion tank, the corrosion foil at the upper end is reversed towards the right side, at this time, the cold roller 8 is used, the hot roller 7 and the cold roller 8 are arranged at the upper end inlet of the second corrosion tank 32, the hot roller 7 is arranged as a reversing roller below the corrosion tank, the hot roller 7 and the cold roller 8 are arranged at the lower end of the third corrosion tank 33, the cold roller 8 is arranged at the upper end of the corrosion tank as a reversing roller, the top of the fourth corrosion tank 34 is an inlet, the hot roller 7 and the cold roller 8 are arranged, the bottom is an outlet, the hot roller 7 is a reversing roller, and the outlet reversing roller of the corrosion tank at the downstream end can be either the cold roller 8 or the hot roller 7.
The brush 9 is positioned on the anode side corroded by the alternating current foil 1, the brush 9 is fixed at the position close to the middle part of the central shaft 5 in the axial direction, bearings are fixedly sleeved at the positions, close to the end parts, of the two ends of the central shaft 5, and the bearings penetrate through and are fixed in the wall of the electrolytic tank.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The high-density alternating current foil corrosion method for starting the motor is characterized in that: the method comprises the following steps:
step 1: heating an alternating current foil anode: the temperature of the anode side of the alternating current foil in the corrosive liquid is higher than that of the cathode side of the alternating current foil through the hot roller in contact;
step 2: buffering and retaining the anode corrosive liquid of the alternating current foil: the corrosive liquid is introduced from the position, close to the upper part, of the alternating current foil in the corrosion space, and is impacted into the fluid buffer mechanism by arranging the fluid buffer mechanism, so that the retention time of the corrosive liquid on the top of the corrosion area of the alternating current foil is prolonged;
and step 3: the corrosion foil flows through the corrosion liquid to complete one-time corrosion, when the corrosion effect does not meet the standard, the step 4 is carried out, and when the corrosion effect meets the standard, the step 7 is carried out;
and 4, step 4: reheating the alternating current foil anode: introducing the corrosion foil into another corrosion space beside or above or below the corrosion space in the step 1, and heating the surface of the alternating current foil on the corrosion side of the anode before the alternating current foil enters the corrosion space so that the temperature of the anode side is higher than that of the cathode side;
and 5: buffering and retaining the anode corrosive liquid of the alternating current foil: a group of opposite corrosive liquid inlet pipes are arranged at the downstream end above the flowing of the corrosive foil, a fluid buffer mechanism is arranged between the inlet pipes in the corrosion space,
step 6: repeating the steps 4 and 5 until the anode corrosion of the alternating current foil meets the requirement;
and 7: and (5) draining the corrosion foil into a water washing space, and drying after the water washing is finished.
2. The method of corroding an alternating current foil for starting a motor according to claim 1, wherein: the AC foil is first cleaned and dried with phosphoric acid before entering step 1.
3. The method of corroding an alternating current foil for starting a motor according to claim 1, wherein: the fluid buffer mechanism is a brush crossing the corrosion foil, the brush is fixed on the central shaft, two ends of the central shaft are erected in the corrosion space through bearings, the brush and the central shaft rotate synchronously, and the rotation resistance of the brush is larger than 1/2 of the impulsive force of the corrosion liquid.
4. The method of corroding an alternating current foil for starting a motor according to claim 1, wherein: the heating method of the alternating current foil comprises the following specific steps: before the alternating current foil enters the corrosion space or at the upstream end of the corrosion space, a hot roller and a cold roller which clamp the alternating current foil are arranged, the hot roller is positioned at the anode side of the alternating current foil in the corrosion space, the cold roller is positioned at the cathode side of the alternating current foil in the corrosion space, the temperature difference between the hot roller and the cold roller is not more than 5 ℃, the temperature of the cold roller is not lower than that of the corrosive liquid, the hot roller and the cold roller rotate oppositely, and the rotating direction is consistent with the conveying direction of the alternating current foil.
5. The method of corroding an alternating current foil for starting a motor according to claim 1, wherein: the linear speed of the hot roller and the cold roller is the same as the moving linear speed of the alternating current foil.
6. The method of corroding an alternating current foil for starting a motor according to claim 1, wherein: the corrosion space is an independent corrosion box, a liquid inlet pipe is arranged at the downstream end of each corrosion box, which is close to the flow of the alternating current foil, the liquid inlet pipes are positioned at two sides of the alternating current foil in the transverse direction, and liquid outlet holes are fully distributed at the upstream end of each corrosion box, which is close to the flow of the alternating current foil.
7. The system for high density ac foil etching method for motor start-up according to any one of claims 1 to 6, wherein: the device comprises more than one continuous corrosion boxes, wherein the corrosion boxes are horizontally arranged, alternating current foils between adjacent corrosion boxes are changed in direction through a hot roller or a cold roller, the outer side of one end, entering the alternating current foils, of each corrosion box is provided with a hot roller, and the hot rollers are positioned on the anode side of the alternating current foils; the opening has been seted up to a set of relative limit of corruption case, and exchange foil gets into from an opening, and another opening goes out.
8. The highly densified alternating current foil etching system for motor starting according to claim 7, wherein: and the outer side of the downstream end of the corrosion box is provided with a hot roller or a cold roller, and the hot roller or the cold roller is consistent with the hot roller or the cold roller on the same side of the reversing direction according to the steering direction of the corrosion foil.
9. The highly densified alternating current foil etching system for motor starting according to claim 7, wherein: the brush (9) is positioned on the anode side corroded by the alternating current foil (1), the brush (9) is fixed at the position close to the middle part of the central shaft in the axial direction, bearings are fixedly sleeved at the positions, close to the end parts, of the two ends of the central shaft, and the bearings penetrate through and are fixed in the wall of the electrolytic tank.
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| CN202111415012.7A CN114023565B (en) | 2021-11-25 | 2021-11-25 | Method and system for corrosion of high-density alternating current foil for motor starting |
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| CN202111415012.7A CN114023565B (en) | 2021-11-25 | 2021-11-25 | Method and system for corrosion of high-density alternating current foil for motor starting |
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| CN209906893U (en) * | 2019-05-15 | 2020-01-07 | 扬州宏远电子股份有限公司 | Etched foil processing structure |
| CN210522858U (en) * | 2019-07-31 | 2020-05-15 | 漯河市福沃液压件有限公司 | Self-propelled rubber hose isolating agent coating device |
| CN210546000U (en) * | 2019-07-31 | 2020-05-19 | 福建华大利合成革有限公司 | Synthetic leather coating equipment |
| CN210856402U (en) * | 2019-10-22 | 2020-06-26 | 扬州宏远电子股份有限公司 | Electrode foil corrosion circulating device |
| CN112064102A (en) * | 2020-09-15 | 2020-12-11 | 扬州宏远电子股份有限公司 | Device and method for improving specific volume uniformity of medium-high voltage etched foil |
| CN213803990U (en) * | 2020-10-15 | 2021-07-27 | 重庆赛帕斯汽车零部件股份有限公司 | A give device for metal etching liquid |
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| CN213124168U (en) * | 2020-10-26 | 2021-05-04 | 江西省万年群兴电子有限公司 | Corrosion device for controlling cathode and anode surfaces of high-voltage anode foil |
| CN112657733A (en) * | 2020-12-11 | 2021-04-16 | 程常国 | A rubber coating device for production of copper foil sticky tape |
| CN214202046U (en) * | 2021-01-07 | 2021-09-14 | 深圳市精印成印刷器材科技有限公司 | Photosensitive resist coating scraping groove for processing precise screen printing plate |
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