CN111768987A - Core containing impregnation method and impregnation device - Google Patents
Core containing impregnation method and impregnation device Download PDFInfo
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- CN111768987A CN111768987A CN202010778037.2A CN202010778037A CN111768987A CN 111768987 A CN111768987 A CN 111768987A CN 202010778037 A CN202010778037 A CN 202010778037A CN 111768987 A CN111768987 A CN 111768987A
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- 238000005470 impregnation Methods 0.000 title claims abstract description 282
- 238000000034 method Methods 0.000 title claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 188
- 238000007654 immersion Methods 0.000 claims abstract description 64
- 230000008569 process Effects 0.000 claims abstract description 35
- 238000007598 dipping method Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000004146 energy storage Methods 0.000 claims description 15
- 230000004087 circulation Effects 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 23
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000012795 verification Methods 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 17
- 230000007246 mechanism Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000005253 cladding Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
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- 239000002699 waste material Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000002791 soaking Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/04—Drying; Impregnating
Abstract
The invention discloses a core containing impregnation method and an impregnation device. A core-containing dipping method comprising the steps of: the core bag is immersed into the impregnation liquid to reach a designated position, wherein the impregnation liquid drained from the immersed part of the core bag naturally overflows, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the immersion process; and after the preset impregnation condition is finished, the core bag is moved out of the impregnation liquid. The core package impregnation method adopts an overflow mode for impregnation, impregnation liquid drained from the impregnated part of the core package naturally overflows during the impregnation, so that the liquid level of the impregnation liquid is constant at the overflow liquid level during the impregnation, and the core package impregnation method only needs to control the impregnation depth of the core package regardless of the change of the width of the core package and the change of the number of the core packages impregnated in different batches, does not need to perform frequent tests and long-time verification every time according to the change of the width of the core package and/or the change of the number of the core packages to obtain matched impregnation parameters, greatly simplifies the process adjustment process corresponding to the change of impregnated products, and greatly improves the working efficiency.
Description
Technical Field
The invention relates to the technical field of energy storage devices, in particular to a core containing dipping method and a dipping device.
Background
The quality of impregnation of the core package of the energy storage device directly influences the parameter values of some physical characteristics of the energy storage device. For example, the electrolyte is impregnated, so that the electrolyte is sufficiently absorbed by the electrolytic paper sandwiched between two layers of aluminum foils, and the surfaces of the positive and negative aluminum foils are impregnated with the electrolyte.
For this reason, an automatic impregnation machine and an automatic impregnation method are designed in the market, and for example, a chinese patent application (publication No. CN102723199A, published as 2012-10-10) discloses an automatic impregnation method for a capacitor core package, which includes the following steps: putting the core package of the capacitor to be impregnated into an impregnation tank, and sealing the impregnation tank; opening the liquid storage barrel, and injecting the impregnation liquid into the liquid storage barrel; vacuumizing the impregnation tank by using a vacuum constant-pressure device, and simultaneously pumping out moisture and air in the core bag of the capacitor in the vacuumizing process; injecting impregnation liquid into the impregnation tank in a vacuum state from the liquid storage barrel; the core package of the capacitor is soaked in the impregnation liquid, the vacuum state in the impregnation tank ensures that the impregnation liquid quickly permeates into the core package of the capacitor to be impregnated, and the vacuum state in the impregnation tank is maintained; the vacuum state in the impregnation tank is instantly released to normal pressure, and the impregnation liquid is infiltrated into the core bag of the capacitor to be impregnated by utilizing the pressure of the atmospheric pressure.
For another example, the chinese patent application (publication No. CN110364362A, published: 2019-10-22) discloses a solid capacitor impregnation method, which comprises the following steps: (1) suspending the element in the air, and vacuumizing for 5-10 s to make the vacuum degree be negative pressure; (2) lowering the element and immersing the element into the immersion liquid, maintaining the pressure for 5-20 s, wherein the vacuum degree is negative pressure and is equal to the vacuum degree in the step (1); (3) keeping the extract in the immersion liquid, and deflating to a normal pressure state; (4) the steps (1) to (3) are a cycle; the circulation is executed at least twice, and the vacuum degree of vacuum impregnation is gradually increased during a plurality of circulations; (5) suspending the element in the air, and vacuumizing the air to a vacuum degree which is greater than any vacuum degree.
Although the prior art adopts an automatic impregnation machine to realize automatic impregnation of the core package or the element, the prior impregnation method and the impregnation machine still have the following problems:
1. whether the core bag is fixed and then the immersion liquid is injected or the core bag is immersed into the immersion liquid after the immersion liquid is injected, the liquid level height is required to be controlled by a precise liquid level sensor, so as to avoid the phenomenon that the liquid level climbs to the top of the core package to pollute the core package guide pin and cause bad products or even scrapping due to the liquid level not being controlled, the requirement on the accuracy of the liquid level sensor is high, the downward stroke of the core bag needs to be strictly controlled, the operation is wrong, or the accuracy of the liquid level sensor is not enough or abnormal, the liquid in the core bag is not enough absorbed by the product to counteract the liquid lifting of the product body, the risk that the liquid level climbs to the top to pollute the guide pin is easily caused, particularly for the condition of slight pollution, the impregnation is not directly observed by naked eyes, and the slightly polluted core package flows into the subsequent procedures, so that the electric leakage of the whole batch of products is high, and the whole batch of products is directly scrapped;
2. in the existing automatic impregnation process, parameters of each impregnation process are only suitable for the height of one core package and the specific number of the core packages, when the height of the core packages and/or the number of the core packages are changed, frequent tests and long-time verification are needed to obtain new matched impregnation parameters, so that a lot of production cost is additionally increased invisibly, the production period is prolonged, and the industrialization is not facilitated;
3. the existing automatic immersion machine and the automatic immersion method are directed at core bag products with higher height, at least core bags with height higher than 5mm, and if the existing automatic immersion machine and the automatic immersion method are applied to core bag immersion projects with height lower than 5mm, automatic immersion is difficult to achieve, mainly because the height of the core bag with 5mm is small enough to be immersed into a control position containing immersion liquid, for example, the height of the core bag is higher than 1/3h and lower than 2/3h (h is the height of the core bag), which has extremely high precision requirements on a liquid level sensor and high proficiency requirements on operators, and the situation that the liquid level climbs to the top of the core bag to pollute a guide pin is easily caused by carelessness, so that the automatic immersion method and the immersion machine for core bag products with height lower than 5mm are not reported in.
Disclosure of Invention
In order to solve the above problems, the present invention provides a core pack impregnation method and an impregnation apparatus. According to the core package impregnation method, the core package is impregnated in an overflow mode, in the impregnation process, the impregnation liquid drained from the impregnated part of the core package naturally overflows, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the impregnation process, namely the highest liquid level height of the impregnation liquid is always at the overflow liquid level no matter the depth and the depth of the core package, the constant liquid level is kept, and the core package impregnation method only needs to control the immersion depth of the core package in actual operation; by adopting the impregnation method, regardless of the change of the width of the core package and the change of the number of the core packages impregnated in different batches, the impregnation depth of the core package is controlled, and frequent tests and long-time verification are not required to be carried out every time according to the change of the width of the core package and/or the change of the number of the core packages to obtain matched impregnation parameters, so that the process adjustment process corresponding to the change of an impregnation product is greatly simplified, and the working efficiency is greatly improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a core-containing dipping method comprising the steps of: the core bag is immersed into the impregnation liquid to reach a designated position, wherein the impregnation liquid drained from the immersed part of the core bag naturally overflows, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the immersion process; and after the preset impregnation condition is finished, the core bag is moved out of the impregnation liquid.
In a preferred embodiment of the method for impregnating a core pack according to the present invention, the core pack is immersed in the impregnation liquid by moving the core pack toward the impregnation liquid.
In a preferred embodiment of the method for impregnating a core pack according to the present invention, the core pack is immersed in the impregnation liquid by moving the impregnation liquid toward the core pack.
In a preferred embodiment of the method for impregnating a core pack according to the present invention, the core pack is immersed in the impregnation liquid by moving the core pack and the impregnation liquid in the direction of the impregnation liquid.
In a preferred embodiment of the method for impregnating a core pack according to the present invention, the core pack is immersed in the impregnation liquid under vacuum.
As a preferred embodiment of the core wrap impregnation method provided by the present invention, the predetermined impregnation conditions include an atmospheric pressure impregnation method, a vacuum-atmospheric pressure circulation impregnation method, or a vacuum-atmospheric pressure circulation impregnation method.
In a preferred embodiment of the method for impregnating a core pack according to the present invention, the impregnation liquid is any one of a chemical conversion liquid, a repair liquid, an additive, a monomer, an oxidizing agent, and a dispersion.
As a preferred embodiment of the core pack impregnation method provided by the present invention, the core pack is a core pack for an energy storage device, and the energy storage device is an electrolytic capacitor, a super capacitor or a capacitive battery.
As a preferred embodiment of the method for impregnating the core pack provided by the present invention, the predetermined position is a position at which the core pack can be impregnated, and the predetermined position is not lower than the overflow level.
A core containing dipping device for implementing any of the core containing dipping methods.
The invention has the following beneficial effects:
(1) according to the core package impregnation method, the core package is impregnated in an overflow mode, in the impregnation process, the impregnation liquid drained from the impregnated part of the core package naturally overflows, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the impregnation process, namely the highest liquid level height of the impregnation liquid is always at the overflow liquid level no matter the depth and the depth of the core package, the constant liquid level is kept, and the core package impregnation method only needs to control the immersion depth of the core package in actual operation; by adopting the impregnation method, regardless of the change of the width of the core package and the change of the number of the core packages impregnated in different batches, the impregnation depth of the core package is controlled, and frequent tests and long-time verification are not required to be carried out every time according to the change of the width of the core package and/or the change of the number of the core packages to obtain matched impregnation parameters, so that the process adjustment process corresponding to the change of an impregnation product is greatly simplified, and the working efficiency is greatly improved;
(2) by adopting the impregnation method, the impregnation depth of the core bag only needs to be controlled during actual operation, so that the requirement on the professional skill level of an operator is greatly reduced, a high-precision liquid level sensor is not needed to control the liquid level height, and the problem that the guide pin is polluted by the impregnation liquid due to misoperation or insufficient or abnormal precision of the liquid level sensor is solved;
(3) the immersion depth of each batch of core packages is consistent, and the immersion conditions are consistent, so that compared with the prior art, the uniformity of the immersion quality of the core packages in the whole batch of mass production can be ensured, the quality uniformity of the energy storage devices in the batch of mass production is also improved, and the problems that the product leaks electricity, the loss floating range is large, the reject ratio is high during electrical property screening, the energy storage use requirement of a precision circuit cannot be met and the like due to the inconsistent immersion quality are solved;
(4) by adopting the impregnation method, liquid level control is not needed through a liquid level sensor, only the immersion depth of the core bag is controlled, automatic impregnation of the core bag with the height of less than 5mm is easy to realize, the mechanical automatic impregnation requirement of the small-sized core bag (such as the height of 2-5 mm) is met, and the vacancy that no impregnation automatic technology for the small-sized core bag product exists in the industry is filled.
Drawings
Fig. 1 is a schematic structural diagram of a core wrap impregnation device in embodiment 1 of the present invention;
fig. 2 is another schematic structural diagram of a core wrap impregnation device in embodiment 1 of the present invention;
fig. 3 is a partially exploded schematic view of a core wrap impregnation device in embodiment 1 of the present invention;
fig. 4 is a schematic partial cross-sectional view of a core wrap impregnation device in embodiment 1 of the present invention.
In the figure, an accommodating cavity-1, a cavity-11, a cavity cover-12, a bearing table-13, an impregnation main groove-2, an overflow position-21, an impregnation secondary groove-3, a liquid discharge port 31, a moving assembly-4, a driving mechanism-41, a screw rod-42, a slide block-43, a slide rail-44 and a connecting rod-45.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In one aspect, an embodiment of the present invention provides a core-containing dipping method, which includes the following steps: immersing a core bag into an impregnation liquid to reach a designated position, wherein the impregnation liquid drained from an immersed part of the core bag naturally overflows, so that the liquid level of the impregnation liquid is constant at an overflow liquid level in the immersion process; and after the preset impregnation condition is finished, the core bag is moved out of the impregnation liquid.
According to the invention, the core bag is impregnated in an overflow mode, and the impregnation liquid drained from the impregnated part of the core bag naturally overflows in the immersion process, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the immersion process, namely the highest liquid level height of the impregnation liquid is always at the overflow liquid level no matter the depth and the depth of the core bag, the constant liquid level is kept, and the core bag is only required to be immersed in the depth controlled in actual operation.
In some embodiments, the core package is immersed in the immersion liquid by moving the core package towards the immersion liquid, i.e. the main immersion tank carrying the immersion liquid does not move, the core package carrier carrying the core package moves towards the main immersion tank, and the core package is actively immersed. In some embodiments, the immersion of the core package into the immersion liquid is achieved by moving the immersion liquid toward the core package, that is, the core package carrier carrying the core package does not move, the main immersion tank carrying the immersion liquid moves toward the core package, and the core package is immersed passively. In some embodiments, the core package is immersed in the impregnation liquid by moving the core package and the impregnation liquid in opposite directions, that is, the core package carrier carrying the core package and the impregnation main tank carrying the impregnation liquid move in opposite directions.
No matter the movement mode is adopted, other movement immersion modes are not adopted, and the immersion depth of the core bag is controlled. Wherein, the designated position is that the control position where the core bag can be immersed is not lower than the overflow liquid level. It can be understood that, the in-process of soaking, the liquid level that contains the immersion fluid is no longer than the management and control position all the time, that is to say, has stopped to contain the immersion fluid and has climbed the management and control position top and then the condition of polluting the guide pin. The control position of the method can be 1/2-2/3 of the height of the core bag, 2/3 of the preferred height of more than 5mm of the core bag, and 1/2 of the preferred height of less than 5mm of the core bag, but is not limited to the above. In the specific implementation, the setting of the control position can be adjusted according to the actual situation, and is not described in detail herein.
In order to improve the impregnation effect and shorten the impregnation time, the core bag is immersed into the impregnation liquid under a vacuum state, that is, the immersion process is performed under a vacuum state. Preferably, in some embodiments, the preset impregnation condition may be an impregnation method in a normal pressure state, or an impregnation method in a vacuum state, for example, the impregnation operation may be completed by maintaining the impregnation in the vacuum state for a period of time; in some embodiments, the predetermined impregnation condition may be a vacuum-atmospheric pressure cyclic impregnation method, such as a cyclic method of maintaining vacuum for a certain period of time, then breaking vacuum to atmospheric pressure for a certain period of time, and then vacuum impregnation → atmospheric pressure impregnation; in other embodiments, the predetermined impregnation condition may be a vacuum-pressure cyclic impregnation method, such as maintaining the vacuum state for a certain period of time, then breaking the vacuum state to the atmospheric state for a certain period of time, and then performing the air pressure impregnation for a certain period of time, i.e. a cyclic method of vacuum impregnation → atmospheric pressure impregnation → pressure impregnation.
The impregnation method of the invention is mainly directed to an impregnation liquid containing electrolyte, such as an electrolytic solution and the like. It is understood that the impregnation fluid may also be a chemical conversion fluid, a repair fluid, an additive, a monomer, an oxidant, a dispersion, or the like. The impregnation method of the invention can be adopted for the incomplete immersion type impregnation which needs to control the core package impregnation liquid level to avoid polluting the guide pin.
In the invention, the core pack is preferably a core pack for an energy storage device, wherein the energy storage device is an electrolytic capacitor (including but not limited to a solid aluminum electrolytic capacitor, a liquid aluminum electrolytic capacitor and a solid-liquid mixed aluminum electrolytic capacitor), a super capacitor or a capacitive battery (including but not limited to a cylindrical battery).
According to the core package impregnation method, the core package is impregnated in an overflow mode, in the impregnation process, the impregnation liquid drained from the impregnated part of the core package naturally overflows, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the impregnation process, namely the highest liquid level height of the impregnation liquid is always at the overflow liquid level no matter the depth and the depth of the core package, the constant liquid level is kept, and the core package impregnation method only needs to control the immersion depth of the core package in actual operation; by adopting the impregnation method, regardless of the change of the width of the core package and the change of the number of the core packages impregnated in different batches, the impregnation depth of the core package is controlled, and frequent tests and long-time verification are not required to be carried out every time according to the change of the width of the core package and/or the change of the number of the core packages to obtain matched impregnation parameters, so that the process adjustment process corresponding to the change of an impregnation product is greatly simplified, and the working efficiency is greatly improved; by adopting the impregnation method, the impregnation depth of the core bag only needs to be controlled during actual operation, so that the requirement on the professional skill level of an operator is greatly reduced, a high-precision liquid level sensor is not needed to control the liquid level height, and the problem that the guide pin is polluted by the impregnation liquid due to misoperation or insufficient or abnormal precision of the liquid level sensor is solved; the immersion depth of each batch of core packages is consistent, and the immersion conditions are consistent, so that compared with the prior art, the uniformity of the immersion quality of the core packages in the whole batch of mass production can be ensured, the quality uniformity of the energy storage devices in the batch of mass production is also improved, and the problems that the product leaks electricity, the loss floating range is large, the reject ratio is high during electrical property screening, the energy storage use requirement of a precision circuit cannot be met and the like due to the inconsistent immersion quality are solved; by adopting the impregnation method, liquid level control is not needed through a liquid level sensor, only the immersion depth of the core bag is controlled, automatic impregnation of the core bag with the height of less than 5mm is easy to realize, the mechanical automatic impregnation requirement of the small-sized core bag (such as the height of 2-5 mm) is met, and the vacancy that no impregnation automatic technology for the small-sized core bag product exists in the industry is filled.
On the other hand, the embodiment of the present invention further provides a core inclusion leaching apparatus, which includes:
the impregnation main tank is used for bearing impregnation liquid so as to facilitate the core bag to be immersed;
the impregnation secondary groove is arranged around the side edge of the impregnation main groove and used for receiving the impregnation liquid overflowing from the side edge of the impregnation main groove in the immersion process of the core package immersed in the impregnation liquid so as to realize that the impregnation liquid in the impregnation main groove is always at an overflowing liquid level in the immersion process;
and the moving component is used for driving the impregnation main tank and/or the core package to move relatively so as to realize the immersion action.
In some embodiments, the impregnation main tank is disposed in the impregnation sub-tank through the moving assembly, so that the impregnation main tank can move up and down above the impregnation sub-tank through the moving assembly, and the impregnation main tank cannot enter the impregnation sub-tank to automatically add liquid through an overflow position. In some embodiments, the impregnation main tank is disposed in the impregnation sub-tank through the moving assembly, so that the impregnation main tank moves up and down relative to the impregnation sub-tank through the moving assembly, that is, the impregnation main tank can enter the impregnation sub-tank, so that the impregnation liquid in the impregnation sub-tank can automatically overflow and add liquid through an overflow position of the impregnation main tank. In some embodiments, the core pack is supported on a core pack carrier, and the core pack carrier is disposed above the impregnation main trough through the moving assembly, so that the core pack carrier moves up and down relative to the impregnation main trough through the moving assembly. In the above embodiments, the immersion action is realized by unidirectional movement, that is, one of the core pack and the impregnation main tank is moved by the moving assembly. In other embodiments, the core pack and the impregnation main tank may move in opposite directions, that is, the core pack carrier and the impregnation main tank respectively move in opposite directions by moving components.
It should be noted that, in the present invention, there is no particular limitation on the above-mentioned moving assembly, and the moving assembly can drive the component to be moved (core package carrier or impregnation main trough) to move linearly according to the stroke requirement, for example, the existing driving cylinder mechanism, driving motor mechanism, etc. can be used as the moving assembly, and will not be described in detail herein.
The core package impregnation device comprises an accommodating cavity which can be opened and closed and is used for accommodating the impregnation main groove, the core package and the impregnation secondary groove in the accommodating cavity. Furthermore, the accommodating cavity comprises a hollow cavity body and a cavity cover which are arranged oppositely, wherein the cavity cover can linearly move or hinge-type rotate relative to the cavity body through an opening and closing mechanism so as to open and close the accommodating cavity. It is noted that the chamber cover may be opened and closed manually.
The containing cavity is connected with a pressure control system and used for realizing that the environment pressure of the containing cavity is in a vacuum or pressurization state. The pressure control system can comprise a vacuumizing device which comprises a vacuum pump communicated with the accommodating cavity through a pipeline, so that the vacuum pump is started to vacuumize the accommodating cavity to be in a vacuum state as required; the vacuum pressurization device can further comprise a vacuum pressurization device which comprises a vacuum pump and a pressurization pump which are respectively communicated with the accommodating cavity through pipelines, so that the vacuum pump is started to vacuumize the accommodating cavity to be in a vacuum state or the pressurization pump is started to ventilate the accommodating cavity to be in a pressurization state according to needs.
Furthermore, the cavity is provided with a bearing table for bearing the core cladding carrier or the impregnation main groove, so that the carrier or the impregnation main groove can be fixed relatively.
Further, the bottom of the impregnation sub-tank is provided with a liquid outlet, so that waste liquid can be discharged regularly.
Further, the core package impregnation device further comprises a liquid adding assembly for adding an impregnation liquid into the impregnation main tank. Preferably but not the limited ground, liquid feeding subassembly includes liquid feeding pipe and liquid feeding pump, the liquid feeding pipe through the liquid feeding pump is connected in the stock solution bucket or is soaked the inferior trough, is convenient for through starting the liquid feeding pump follow the stock solution bucket or soak in the inferior trough and draw and contain the immersion fluid and through the liquid feeding pipe input soak in the main trough.
It should be noted that before the core package is impregnated in each batch, i.e. before the core package is immersed in the impregnation liquid, the impregnation liquid in the impregnation main tank is in an overflow state (i.e. is about to overflow), and it can be understood that the impregnation liquid is filled in the impregnation main tank by the liquid adding assembly until the core package is in the overflow state, or the impregnation liquid in the impregnation sub-tank can automatically flow into the impregnation main tank by the overflow position until the core package is in the overflow state by the liquid adding assembly moving downwards into the impregnation sub-tank.
It should be noted that the core wrap impregnation device further comprises a control system which is electrically connected with the moving assembly, the opening and closing mechanism, the pressure control system and the liquid adding assembly respectively, so that interaction of each component and each part can be controlled conveniently.
The core bag impregnation device realizes a new overflow impregnation mode through the combination of the impregnation main tank and the impregnation secondary tank, namely, in the impregnation process, impregnation liquid drained from the impregnation part of the core bag naturally overflows, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the impregnation process, namely, the highest liquid level height of the impregnation liquid is always at the overflow liquid level and keeps constant liquid level no matter the depth and the depth of the core bag, the immersion depth of the core bag is only required to be controlled in actual operation, the requirement on professional skill of operators is greatly reduced, a high-precision liquid level sensor is not required to control the liquid level height, and the problem that the impregnation liquid pollutes a guide pin due to operation errors or insufficient precision or abnormality of the liquid level sensor is solved. The core package impregnation device is adopted for impregnation, so that the core package impregnation depth can be controlled without changing the width of the core package or changing the number of the impregnated core packages in different batches, frequent tests and long-time verification are not required to be carried out every time according to the width change and/or the number change of the core packages to obtain matched impregnation parameters, the process adjustment process corresponding to the change of impregnated products is greatly simplified, and the working efficiency is greatly improved; the core cladding impregnation device can ensure that the impregnation depth of each batch of core cladding is consistent, and the impregnation conditions are consistent, compared with the prior art, the core cladding impregnation device can ensure the consistency of the mass production and whole batch of core cladding impregnation quality, also improves the consistency of the mass production and batch of energy storage device quality, and avoids the problems of product electric leakage, large loss floating range, high reject ratio during electrical property screening, incapability of meeting the energy storage use requirement of a precision circuit and the like caused by inconsistent impregnation quality; the core bag impregnation device does not need to control the liquid level through a liquid level sensor, only needs to control the immersion depth of the core bag, is easy to realize the automatic impregnation of the core bag with the height of less than 5mm, meets the mechanical automatic impregnation requirement of small-sized core bags (such as the height of 2-5 mm), and fills the gap that no impregnation automatic technology for small-sized core bag products exists in the industry.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
As shown in fig. 1-4, there is shown a schematic diagram of a core-containing dipping apparatus. The core package soaks device includes: containing cavity 1, impregnation main tank 2, impregnation secondary tank 3 and moving assembly 4. The impregnation main tank 2 is arranged in the impregnation sub-tank 3 and is used for receiving the impregnation liquid overflowing from the overflow position (side) 21 of the impregnation main tank 2 (the overflow path is shown as an arrow in fig. 4) in the immersion process of the core package immersed in the impregnation liquid in the impregnation main tank 2, so as to realize that the impregnation liquid in the impregnation main tank 2 is always at the overflow liquid level in the immersion process; the impregnation main tank 2 is connected with the moving component 4 so as to drive the impregnation main tank 2 to move up and down relative to the impregnation sub-tank 3 through the moving component 4.
The moving assembly 4 comprises a driving mechanism 41, a screw rod 42 connected with the driving mechanism 41, a sliding block 43 sleeved on the screw rod 42, and a sliding rail 44 connected with the sliding block 43 in a sliding manner, wherein the sliding block 43 is connected with the impregnation main groove 2 through a connecting rod 45, and in concrete implementation, the driving mechanism 41 drives the screw rod 42 to rotate, so as to drive the sliding block 43 to move up and down along the sliding rail 44, and further drive the impregnation main groove 2 to move up and down.
The accommodating cavity 1 comprises a hollow cavity 11 and a cavity cover 12 which are oppositely arranged, wherein the cavity cover 12 can be hinged to the cavity 11 through an opening and closing mechanism so as to open and close the accommodating cavity 1. The impregnation main tank 2 and the impregnation sub tank 3 are accommodated in the accommodation chamber 1, preferably, in the cavity 11.
The containing chamber 1 is further connected with a pressure control system (not shown in the figure) for realizing that the environmental pressure of the containing chamber 1 is in a vacuum or pressurization state. The pressure control system comprises a vacuum pressurization device which comprises a vacuum pump and a pressurization pump which are respectively communicated with the accommodating cavity 1 (the cavity 11 and/or the cavity cover 12) through pipelines, so that the vacuum pump is started to vacuumize the accommodating cavity 1 to be in a vacuum state or the pressurization pump is started to ventilate the accommodating cavity 1 to be in a pressurization state according to needs.
The cavity 11 is further provided with a bearing table 13 for bearing a core package bearing device (not shown in the figure), so that the bearing device can be fixed relatively to fix the position of the core package, namely, the core package keeps static in the specific immersion process, the immersion main tank 2 moves towards the core package, and the immersion depth of the core package can be controlled by controlling the stroke of the immersion main tank 2.
The bottom of the impregnation inferior groove 3 is provided with a liquid outlet 31, which is convenient for discharging waste liquid regularly.
The core bag impregnation device further comprises a liquid adding assembly (not shown in the figure) for adding an impregnation liquid into the impregnation main tank 2. The liquid feeding subassembly includes liquid feeding pipe and liquid feeding pump, the liquid feeding pipe warp the liquid feeding pump is connected and is soaked inferior groove 3, be convenient for through starting the liquid feeding pump follow soak 3 in soak the inferior groove extract contain the immersion fluid and through the liquid feeding pipe is inputed soak in the main trough 2 to guarantee before each batch of core package soaks contain the immersion fluid that soaks in the main trough 2 and be in the overflow state.
The core wrap impregnation device further comprises a control system (not shown in the figure), which is electrically connected with the driving mechanism 41, the opening and closing mechanism, the vacuum pump, the pressurizing pump and the liquid feeding pump respectively, so as to control interaction of each component and each part.
Example 2
Based on embodiment 1, embodiment 2 is different from embodiment 1 in that: the moving assembly is connected with the core bag carrier so as to drive the core bag carrier to drive the core bag to move towards the impregnation main groove; the impregnation main groove is arranged on the bearing table and is static relative to the core package in the impregnation process.
Example 3
Based on embodiment 1, embodiment 3 differs from embodiment 1 in that: the core bag carrier is driven to drive the core bag to move towards the impregnation main groove, and in the impregnation process, the two moving assemblies respectively drive the core bag and the impregnation main groove to move oppositely.
The moving components according to embodiments 1, 2, and 3 may be the same or different.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A core-containing dipping method, characterized in that it comprises the steps of: the core bag is immersed into the impregnation liquid to reach a designated position, wherein the impregnation liquid drained from the immersed part of the core bag naturally overflows, so that the liquid level of the impregnation liquid is constant at the overflow liquid level in the immersion process; and after the preset impregnation condition is finished, the core bag is moved out of the impregnation liquid.
2. The method for impregnating a core pack according to claim 1, wherein the core pack is immersed in the impregnation liquid by moving the core pack towards the impregnation liquid.
3. The method for impregnating the core pack according to claim 1, wherein the core pack is immersed in the impregnation liquid by moving the impregnation liquid toward the core pack.
4. The method for impregnating the core pack according to claim 1, wherein the core pack is immersed in the impregnation liquid by moving the core pack and the impregnation liquid in a direction toward each other.
5. The method for impregnating the core pack according to any one of claims 1 to 4, wherein the core pack is immersed in the impregnation liquid under a vacuum condition.
6. The core wrap impregnation method according to claim 5, wherein the predetermined impregnation conditions include an atmospheric pressure impregnation method, a vacuum-atmospheric pressure circulation impregnation method, or a vacuum-atmospheric pressure pressurization circulation impregnation method.
7. The core impregnation method according to claim 1, wherein the impregnation solution is any one of a chemical conversion solution, a repair solution, an additive, a monomer, an oxidizing agent, and a dispersion.
8. The core wrap impregnation method according to claim 1, wherein the core wrap is a core wrap for an energy storage device, and the energy storage device is an electrolytic capacitor, a super capacitor or a capacitive battery.
9. The method for impregnating the core pack according to claim 1, wherein the designated position is a pipe control position at which the core pack can be impregnated, and is not lower than the overflow level.
10. A core containing impregnation device for implementing the core containing impregnation method according to any one of claims 1 to 9.
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| CN202010778037.2A CN111768987A (en) | 2020-08-05 | 2020-08-05 | Core containing impregnation method and impregnation device |
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| CN202010778037.2A CN111768987A (en) | 2020-08-05 | 2020-08-05 | Core containing impregnation method and impregnation device |
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Application publication date: 20201013 |