CN112509810A - Self-coated plastic shell for dry type alternating current capacitor - Google Patents
Self-coated plastic shell for dry type alternating current capacitor Download PDFInfo
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- CN112509810A CN112509810A CN202011434963.4A CN202011434963A CN112509810A CN 112509810 A CN112509810 A CN 112509810A CN 202011434963 A CN202011434963 A CN 202011434963A CN 112509810 A CN112509810 A CN 112509810A
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- capacitor
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- alternating current
- shell
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- 239000003990 capacitor Substances 0.000 title claims abstract description 43
- 210000003205 muscle Anatomy 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 21
- 238000004382 potting Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 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, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to the technical field of capacitor plastic shells, and particularly discloses a self-coated plastic shell for a dry-type alternating current capacitor, which comprises the following components: a case for accommodating a dry type AC capacitor; the clamping strip groove is positioned at the position, close to the top end, of the inner wall of the shell; the location muscle is located the below in card strip groove, and follows the inner wall of casing to the diapire of casing extends, and the top forms water conservancy diversion slope. The self-plastic-coated shell for the dry-type alternating current capacitor is beneficial to flowing of a potting material, and can improve the production efficiency of the capacitor.
Description
Technical Field
The invention relates to the technical field of capacitor plastic shells, in particular to a self-covering plastic shell for a dry-type alternating current capacitor.
Background
The alternating current capacitor has the characteristics of low equivalent series resistance, good self-healing performance, safer and more reliable sealing design and the like, and is widely applied in the fields of industrial equipment, pollution discharge, agricultural irrigation, submersible pumps and the like.
With the development of economy, in recent years, industries such as the field of environmental protection, industrial equipment, sewage treatment and the like are gradually widely applied, and dry type alternating current capacitors are more and more widely applied, but are limited by raw materials and equipment, so that the quality of the dry type alternating current capacitors after batch production cannot be ensured to be used in severe environments. In other words, the current dry ac capacitor cannot meet the performance requirements of these fields. Therefore, the production efficiency and the performance of the dry type alternating current capacitor are inevitably improved.
The mould shell is the most important substrate of dry-type alternating current capacitor production preparation, plays the effect of parcel electric capacity core, compromises the effect of filling the encapsulating material simultaneously to play insulating effect, nevertheless because can't vacate behind the pouring encapsulating material and return to the middle, the unable evenly distributed encapsulating material again simultaneously, the condition such as off normal, hollow, gas pocket easily appears consequently, how can make jar encapsulating material even flow become the technical problem that technical staff in the field awaited the solution urgently in the casing.
Disclosure of Invention
The invention provides a self-plastic-coated shell for a dry-type alternating current capacitor, which solves the problem that potting materials in the shell flow unevenly in the related art.
As one aspect of the present invention, there is provided a self-covering plastic case for a dry type ac capacitor, comprising:
a case for accommodating a dry type AC capacitor;
the clamping strip groove is positioned at the position, close to the top end, of the inner wall of the shell;
the location muscle is located the below in card strip groove, and follows the inner wall of casing to the diapire of casing extends, and the top forms water conservancy diversion slope.
Further, still include: the emptying step is positioned on the bottom wall of the shell.
Further, the bottom wall of the shell is provided with three emptying steps.
Further, the outside bottom of casing sets up the reinforcement.
Further, 6 location muscle evenly set up in the inside of casing, the top of every location muscle all forms the water conservancy diversion slope.
The self-coated plastic shell for the dry-type alternating current capacitor is beneficial to diversion of a tank sealing material by arranging the positioning ribs and the diversion slopes, and meanwhile, the binding force of the tank sealing material can be enhanced by arranging the clamping strip grooves, so that the binding track of the tank sealing material and the shell is increased, and the binding force is effectively enhanced. Therefore, the self-coated plastic shell for the dry type alternating current capacitor is a shell which is accurate in positioning, convenient to use, capable of wrapping and sealing, capable of enabling the potting material to self-coat the core and improving the production efficiency, and is more excellent in performance compared with other shells applied to dry type alternating current capacitors. The design of the self-coated plastic shell enables the production efficiency of the capacitor to be higher, and the potting material is favorably and uniformly distributed and flows in the shell to play a self-covering role; meanwhile, due to the principle that the shells can be uniformly distributed, the sealing performance of the product can be enhanced, and the market demand can be met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a cross-sectional view of a self-covering plastic case for a dry type ac capacitor according to the present invention.
Fig. 2 is a top view of a self-covering plastic case for a dry ac capacitor according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution 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. 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present embodiment, a self-encapsulating housing for a dry-type ac capacitor is provided, and fig. 1 is a cross-sectional view of a self-encapsulating housing for a dry-type ac capacitor according to an embodiment of the present invention, as shown in fig. 1, including:
a case 6 for accommodating the dry type ac capacitor;
the clamping strip groove 1 is positioned at the position, close to the top end, of the inner wall of the shell;
The self-coated plastic shell for the dry type alternating current capacitor provided by the embodiment of the invention is beneficial to the diversion of the potting material by arranging the positioning ribs and the diversion slopes, and meanwhile, the arrangement of the clamping strip grooves can enhance the bonding force of the potting material, so that the bonding track between the potting material and the shell is increased, and the bonding force is effectively enhanced. Therefore, the self-coated plastic shell for the dry type alternating current capacitor is a shell which is accurate in positioning, convenient to use, capable of wrapping and sealing, capable of enabling the potting material to self-coat the core and improving the production efficiency, and is more excellent in performance compared with other shells applied to dry type alternating current capacitors. The design of the self-coated plastic shell enables the production efficiency of the capacitor to be higher, and the potting material is favorably and uniformly distributed and flows in the shell to play a self-covering role; meanwhile, due to the principle that the shells can be uniformly distributed, the sealing performance of the product can be enhanced, and the market demand can be met.
Specifically, as shown in fig. 1 and 2, the method further includes: a loft 4 located in the bottom wall of the housing.
The embodiment of the invention arranges the lofting step 4 on the bottom wall of the shell 6, which can effectively solve the problem that the bottom of the filling material is only micro or uneven in thickness when the filling material is poured because the shell capacitor core body is directly attached to the bottom wall of the shell, so that the product cannot be completely wrapped by the potting material to generate gaps or air holes. The effect of the soaring step 4 is matched with the positioning ribs 3, so that the potting material uniformly wraps the product, the flow speed is accelerated and the product can be automatically covered under the effect of the flow guide slope 2, the production efficiency can be greatly improved, and the product is uniformly distributed.
In some embodiments, three of said emptying steps 4 are provided in the bottom wall of said housing 6.
In some embodiments, 6 positioning ribs 3 are uniformly arranged inside the housing 6, and the top end of each positioning rib 3 forms the diversion slope 2.
It can be understood that the diapire of casing 6 evenly sets up three lofting rank 4, every 120 degrees distribution one, 6 location muscle, every 60 degrees distribution one, let the encapsulating material evenly distributed through the design of these two places, can wrap up the core automatically, let the encapsulating material soak all clearances, get rid of the bubble and play effective combination, the product test time in harsh poaching test promotes to 360 hours by 168 hours, the volume value rate of change after the experiment is reduced to 0.3% by 1%, and product performance can be ensured, can satisfy the special requirement in market.
In some embodiments, the outer bottom end of the housing 6 is provided with a reinforcement 5.
The novel AC capacitor manufactured by the self-covering plastic shell has the advantages that the AC capacitor manufactured by the novel AC capacitor manufactured by the self-covering plastic shell has the acceleration of 5g under the 2.4m height drop test, the damage and crack length is reduced to be less than 0.5mm, namely the vibration resistance is greatly improved, the performance is improved most importantly, the product is completely protected by the self-covering effect potting material, no matter how the external environment changes, the product cannot be influenced, and the loss rate of the product is reduced from more than 1% to less than 0.3% under the harsh test boiling condition for boiling water for 7 x 24 hours under the harsh test boiling condition, fully shows the reliability of the product and prolongs the service life of the product.
In summary, the self-covering plastic casing for the dry-type ac capacitor provided by the invention has the advantages of self positioning, flow guiding and uniform covering, capacity production efficiency improvement and performance improvement, and the self-covering plastic casing guides the flowing filling of the potting material through the design of the casing, so that the self-covering protection effect is realized on the capacitor core.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (5)
1. A self-covering plastic housing for a dry-type ac capacitor, comprising:
a case for accommodating a dry type AC capacitor;
the clamping strip groove is positioned at the position, close to the top end, of the inner wall of the shell;
the location muscle is located the below in card strip groove, and follows the inner wall of casing to the diapire of casing extends, and the top forms water conservancy diversion slope.
2. The self-covering plastic casing for a dry-type alternating current capacitor as claimed in claim 1, further comprising:
the emptying step is positioned on the bottom wall of the shell.
3. The self-encapsulating housing for a dry ac capacitor as recited in claim 2, wherein the bottom wall of said housing is provided with three said loft steps.
4. The self-covering plastic case for a dry-type alternating current capacitor as claimed in claim 1, wherein a reinforcement part is provided at an outer bottom end of the case.
5. The self-covering plastic case for a dry-type alternating current capacitor as claimed in claim 1, wherein 6 positioning ribs are uniformly formed inside the case, and a guide slope is formed at the top end of each positioning rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011434963.4A CN112509810A (en) | 2020-12-10 | 2020-12-10 | Self-coated plastic shell for dry type alternating current capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011434963.4A CN112509810A (en) | 2020-12-10 | 2020-12-10 | Self-coated plastic shell for dry type alternating current capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112509810A true CN112509810A (en) | 2021-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011434963.4A Withdrawn CN112509810A (en) | 2020-12-10 | 2020-12-10 | Self-coated plastic shell for dry type alternating current capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112509810A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203466071U (en) * | 2013-08-09 | 2014-03-05 | 安徽精新能源科技股份有限公司 | Novel plastic capacitor housing |
| CN204375567U (en) * | 2015-03-02 | 2015-06-03 | 黄山申格电子科技有限公司 | A kind of square polypropylene capactive |
| CN105742058A (en) * | 2016-04-18 | 2016-07-06 | 上海皓月电气有限公司 | Core positioning sleeve for capacitor |
| JP2016207883A (en) * | 2015-04-24 | 2016-12-08 | 日立化成株式会社 | Film capacitor |
| CN106920691A (en) * | 2017-03-17 | 2017-07-04 | 池州市容大电气有限公司 | A kind of noinductive capacitor aluminum hull |
| CN214336567U (en) * | 2020-12-10 | 2021-10-01 | 无锡宏广电容器有限公司 | Self-coated plastic shell for dry type alternating current capacitor |
-
2020
- 2020-12-10 CN CN202011434963.4A patent/CN112509810A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203466071U (en) * | 2013-08-09 | 2014-03-05 | 安徽精新能源科技股份有限公司 | Novel plastic capacitor housing |
| CN204375567U (en) * | 2015-03-02 | 2015-06-03 | 黄山申格电子科技有限公司 | A kind of square polypropylene capactive |
| JP2016207883A (en) * | 2015-04-24 | 2016-12-08 | 日立化成株式会社 | Film capacitor |
| CN105742058A (en) * | 2016-04-18 | 2016-07-06 | 上海皓月电气有限公司 | Core positioning sleeve for capacitor |
| CN106920691A (en) * | 2017-03-17 | 2017-07-04 | 池州市容大电气有限公司 | A kind of noinductive capacitor aluminum hull |
| CN214336567U (en) * | 2020-12-10 | 2021-10-01 | 无锡宏广电容器有限公司 | Self-coated plastic shell for dry type alternating current capacitor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210316 |
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| WW01 | Invention patent application withdrawn after publication |