CN207116234U - A kind of dry-type capacitor for parallel circuit - Google Patents
A kind of dry-type capacitor for parallel circuit Download PDFInfo
- Publication number
- CN207116234U CN207116234U CN201720917637.6U CN201720917637U CN207116234U CN 207116234 U CN207116234 U CN 207116234U CN 201720917637 U CN201720917637 U CN 201720917637U CN 207116234 U CN207116234 U CN 207116234U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- capacitor
- inner container
- extraction electrode
- noise reduction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of dry-type capacitor for parallel circuit,Including shell,Cover plate,Capacitor core,Extraction electrode,Electrode copper band and insulation filling material,The insulation inner container for being internally provided with hard of shell,The first cavity is provided between insulation inner container and shell,Capacitor core is arranged in insulation inner container,The bottom of shell is provided with bottom anechoic chamber,Capacitor core is located at the top of bottom anechoic chamber,Acoutic fibre board is provided between insulation inner container and capacitor core,Extraction electrode is drawn from the middle part of capacitor core outer surface,Extraction electrode passes through cover plate,Extraction electrode is provided with noise reduction bottle through the outside at cover plate end,Noise reduction bottle includes noise reduction cavity,Noise reduction cavity is provided at both ends with Location resilient piece,Location resilient piece is connected with binding post,Fusible link is connected between Location resilient piece,The upper end of extraction electrode is provided with annular groove,Circular cylinder is provided with cover plate,The lower end of circular cylinder is arranged on annular groove.This structure has a safety feature.
Description
Technical field
It the utility model is related to capacitance device technologies field, and in particular to a kind of dry-type capacitor for parallel circuit.
Background technology
Main prototype part of the capacitor as the occasion such as reactive-load compensation, harmonic in power system, it is safe and stable
Worked in all kinds of power systems most important to whole electrical power trans mission/distribution system, the horizontal height of the dipping wherein in capacitor, more
It is the key of the performance such as the resistance to voltage levels of capacitor, heat-resisting, good impregnation technology, the performance of capacitor can be made to be greatly improved, energy
Capacitor is set to have excellent performance in various harsh system environments, the inside that existing capacitor also has capacitor case resists
Press effect poor, easily produce substantial amounts of heat when capacitor core catastrophic failure and expand, so as to cause capacitor case expansion or
Person's oil leak, also it is exactly that extraction electrode fixation is not firm, easily causes and patch unstable, the continuous charge and discharge of capacitor internal in addition
Electricity so that the noise that capacitor excludes at work can not be ignored, but wet type capacitor is still not easy to install and transport, dry type
The heat absorption of capacitor and resistance to voltage levels are often poorer than wet type, therefore good pressure-resistant for parallel circuit, more to take care of yourself it
Performance, prevent dry-type capacitor breakdown, so as to cause the accident.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of for parallel circuit
Dry-type capacitor, the anti-noise effect of capacitor, while overall good pressure-resistant performance are improved, it is close
Envelope property is good, is easily installed, extraction electrode is fixed, and extraction electrode is not easy at welding position
It is breakdown, even if be broken down by high-voltage produce larger current when, also can disconnecting circuit as early as possible,
The safety of parallel circuit is protected, in other words when generation high current passes through extraction electrode, just
Meeting disconnecting circuit, it is therefore prevented that capacitor is punctured easily.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：
A kind of dry-type capacitor for parallel circuit, including shell, cover plate, capacitor core, extraction electrode, electrode copper band
And insulation filling material, the insulation inner container for being internally provided with hard of the shell, set between the insulation inner container and shell
There is the first cavity, the capacitor core is arranged in insulation inner container, and the bottom of shell is provided with bottom anechoic chamber, the capacitance core
Son is located at the top of bottom anechoic chamber, and the upper end of the cover plate is provided with Shang Gai anechoic chambers, the insulation inner container and capacitor core
Between be provided with acoutic fibre board, the acoutic fibre board forms sound absorption cavity with insulation inner container, and the both ends of the insulation inner container are rolled over downwards
Curved, bending edges seal contact gap of the cover plate with shell, and the insulation inner container upper end is provided with multiple linked holes, described to draw electricity
Pole is drawn from the middle part of capacitor core outer surface, and the extraction electrode passes through cover plate, and extraction electrode is set through the outside at cover plate end
Noise reduction bottle is equipped with, the noise reduction bottle includes noise reduction cavity, and the noise reduction cavity is provided at both ends with Location resilient piece, the positioning bullet
Piece is connected with binding post, and fusible link is connected between the Location resilient piece, and the upper end of the extraction electrode is provided with annular groove,
Circular cylinder is provided with the cover plate, the lower end of the circular cylinder is arranged on annular groove.
The capacitor core is sequentially overlapped curling by metalized film and electrolytic paper barrier film and formed, and is set on the metalized film
It is equipped with air-vent.
The second cavity is provided with the circular cylinder, the upper end of second cavity sets plug, second cavity
Inside it is provided with sealing ring.
Steam vent is provided with the middle part of the cover plate, plug is installed on the steam vent.
The binding post includes outer terminal and the wiring for extraction electrode is inserted, and the outer terminal is arranged on noise reduction bottle
Front end and outer terminal be connected with the Location resilient piece of muffler upper end, the wiring, which is inserted, is arranged on the positioning of muffler lower end
On shell fragment, the outer terminal is porous binding post.
(3) beneficial effect
The utility model embodiment provides a kind of dry-type capacitor for parallel circuit.Possesses following beneficial effect：
Fusible link is arranged in noise reduction bottle, when can cause the high-tension current when barrier produces fast for some reason, cuts off circuit rapidly, protection is outer
The parallel circuit in portion and prevent capacitor itself from can be punctured easily, while the fuse that can reduce parallel connection outside circuit is set
Quantity, general noise reduction bottle is all porcelain vase in addition, and after fusible link fuses in it, its good heat-insulation effect will not be to capacitor
Miscellaneous part impacts, and improves the security performance of capacitor itself, anechoic room, acoutic fibre board, insulation inner container and sound-absorbing bottle
Setting, noise that can effectively inside Absorption Capacitance fuse along with the insulation filling material filled in housing, can cause
The noise control effect of capacitor is very good so that heat caused by capacitor internal is scattered timely, further reduces capacitor quilt
The possibility of breakdown, annular groove and circular cylinder cause extraction electrode installation it is more firm, hard inner bag coordinate acoutic fibre board and
Anechoic room use can strengthen the resistance to compression effect of capacitor internal, and overall structure make it that the performance of capacitor is more preferable, installed and used
When it is more convenient, security performance is more preferable.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the dry-type capacitor for being used for parallel circuit described in the utility model；
Fig. 2 is the structural representation of capacitor core described in the utility model；
Fig. 3 is the structural representation of metalized film described in the utility model；
Fig. 4 is the structural representation of noise reduction bottle described in the utility model.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Refering to shown in Fig. 1 to Fig. 4, the utility model provides a kind of dry-type capacitor for parallel circuit, including shell
1st, cover plate 2, capacitor core 3, extraction electrode 4, electrode copper band 5 and insulation filling material 6, insulation filling material 6 can be solid-state
Epoxy resin or the resistant to elevated temperatures insulation filling material of other dry types, the insulation inner container for being internally provided with hard of shell 1
7, the first cavity 8 is provided between insulation inner container 7 and shell 1, capacitor core 3 is arranged in insulation inner container 7, the bottom of shell 1
Bottom anechoic chamber 14 is provided with, capacitor core 3 is located at the top of bottom anechoic chamber 14, and the upper end of cover plate 2 is provided with lid noise reduction
Room 15, is provided with acoutic fibre board 9 between insulation inner container 7 and capacitor core 3, acoutic fibre board 9 forms sound absorption cavity with insulation inner container 7
10, can noise effectively caused by the inside of Absorption Capacitance fuse 3, while the purpose of fixed capacity fuse 3 can be played, be allowed to
It is not easy to float when filling packing material, the both ends downward bending of insulation inner container 7, bending edges 72 seal contact seam of the cover plate with shell
Gap, can improve the sealing property of whole housing, and insulation inner container upper end is provided with multiple linked holes 71, and extraction electrode 4 is from electric capacity
The middle part of the outer surface of fuse 3 is drawn, because side is soaked with insulation filling material 6, can further increase the insulation at this
Effect, while the distance between extraction electrode can be improved so that it will not become at the welding position because of welding
Easily breakdown, extraction electrode 3 passes through cover plate 2, and extraction electrode 3 is provided with noise reduction bottle 13, noise reduction through the outside at cover plate end
Bottle 13 can play a part of lightning protection, and noise reduction bottle 13 includes noise reduction cavity 16, and noise reduction cavity 16 is provided at both ends with Location resilient piece 17,
Location resilient piece 17 is connected with binding post, and fusible link 11 is connected between Location resilient piece 17, and fusible link 11 can produce in barrier for some reason
When fast during high-tension current, circuit is cut off rapidly, is protected the parallel circuit of outside and is prevented capacitor itself from can be punctured easily, together
When can reduce parallel connection outside circuit fuse set quantity, general noise reduction bottle is all porcelain vase in addition, and fusible link is in it
After fusing, its good heat-insulation effect, capacitor miscellaneous part will not be impacted, improve the security of capacitor itself
Can, the upper end of extraction electrode 4 is provided with annular groove 41, circular cylinder 21 is provided with cover plate 2, and the lower end of circular cylinder 21 is set
Put on annular groove 41, insulation inner container 7 can improve the anti-pressure ability of capacitor internal, can so pass through the structure of cover plate
Extraction electrode is fixed and sealed, while after curing also can be to drawing electricity with the insulation filling material in cover plate 2
Pole 4 carries out spacing so that it is more firm that extraction electrode 4 is installed.
Preferably, capacitor core 3 is sequentially overlapped curling by metalized film 31 and electrolytic paper barrier film 32 and formed, metalized film
Air-vent 33 is provided with 32, the air permeable effect of capacitor core 3 can be increased, while the heat resistanceheat resistant effect of capacitor core 3 can be increased
Fruit, improve the performance of capacitor；The second cavity 22 is provided with circular cylinder 21, the upper end of the second cavity 22 sets plug, the
Sealing ring is provided with two cavitys 22, it is whole through the sealing effectiveness at cover plate, increase capacitor casing that extraction electrode can be increased
The sealing effectiveness of body；Steam vent is provided with the middle part of the cover plate, plug is installed on the steam vent, steam vent 12 can be square
Just hot gas caused by capacitor internal discharge and recharge is excluded；Binding post includes outer terminal 181 and the wiring for extraction electrode 4
182 are inserted, outer terminal 181 is arranged on the front end of noise reduction bottle 13 and outer terminal 181 is connected with the Location resilient piece of muffler upper end
Connect, wiring is inserted 182 and is arranged on the Location resilient piece of muffler lower end, and outer terminal 181 is porous binding post, facilitates extraction electrode
Patch operation and parallel connection outside circuit and capacitor patching operations.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the utility model technical scheme
Enclose.
Claims (5)
1. a kind of dry-type capacitor for parallel circuit, including shell, cover plate, capacitor core, extraction electrode, electrode copper band and
Insulation filling material, it is characterised in that：The insulation inner container for being internally provided with hard of the shell, the insulation inner container and shell
Between be provided with the first cavity, the capacitor core is arranged in insulation inner container, and the bottom of shell is provided with bottom anechoic chamber, institute
State the top that capacitor core is located at bottom anechoic chamber, the upper end of the cover plate is provided with Shang Gai anechoic chambers, the insulation inner container with
It is provided with acoutic fibre board between capacitor core, the acoutic fibre board and insulation inner container form sound absorption cavity, and the two of the insulation inner container
Downward bending is held, bending edges seal contact gap of the cover plate with shell, and the insulation inner container upper end is provided with multiple linked holes, institute
State extraction electrode to draw from the middle part of capacitor core outer surface, the extraction electrode passes through cover plate, and extraction electrode passes through cover plate end
Outside be provided with noise reduction bottle, the noise reduction bottle includes noise reduction cavity, and the noise reduction cavity is provided at both ends with Location resilient piece, institute
State Location resilient piece and be connected with binding post, fusible link is connected between the Location resilient piece, the upper end of the extraction electrode is provided with
Annular groove, circular cylinder is provided with the cover plate, the lower end of the circular cylinder is arranged on annular groove.
2. it is used for the dry-type capacitor of parallel circuit as claimed in claim 1, it is characterised in that：The capacitor core is by metal
Change film and electrolytic paper barrier film is sequentially overlapped curling and formed, air-vent is provided with the metalized film.
3. it is used for the dry-type capacitor of parallel circuit as claimed in claim 1, it is characterised in that：Set in the circular cylinder
There is the second cavity, the upper end of second cavity sets plug, sealing ring is provided with second cavity.
4. it is used for the dry-type capacitor of parallel circuit as claimed in claim 1, it is characterised in that：The middle part of the cover plate is set
There is steam vent, plug is installed on the steam vent.
5. it is used for the dry-type capacitor of parallel circuit as claimed in claim 1, it is characterised in that：The binding post includes external
Terminal and wiring for extraction electrode are inserted, the outer terminal be arranged on the front end of noise reduction bottle and outer terminal with muffler
The Location resilient piece at end is connected, and the wiring is inserted and is arranged on the Location resilient piece of muffler lower end, and the outer terminal is porous
Binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917637.6U CN207116234U (en) | 2017-07-26 | 2017-07-26 | A kind of dry-type capacitor for parallel circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720917637.6U CN207116234U (en) | 2017-07-26 | 2017-07-26 | A kind of dry-type capacitor for parallel circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207116234U true CN207116234U (en) | 2018-03-16 |
Family
ID=61571884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720917637.6U Expired - Fee Related CN207116234U (en) | 2017-07-26 | 2017-07-26 | A kind of dry-type capacitor for parallel circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207116234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466666A (en) * | 2020-11-20 | 2021-03-09 | 马鞍山悠思电子科技有限公司 | High-strength metallized film capacitor and preparation device thereof |
-
2017
- 2017-07-26 CN CN201720917637.6U patent/CN207116234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466666A (en) * | 2020-11-20 | 2021-03-09 | 马鞍山悠思电子科技有限公司 | High-strength metallized film capacitor and preparation device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206163316U (en) | Heat dissipation type condenser with anti -impact | |
| CN207116234U (en) | A kind of dry-type capacitor for parallel circuit | |
| CN205945047U (en) | Thunder system device can be changed in change | |
| CN203503469U (en) | Explosion-proof flame-retardant low-voltage parallel capacitor | |
| CN205488385U (en) | Explosion -proof lithium cell structure of high magnification | |
| CN207068655U (en) | A kind of capacitor of perfect heat-dissipating | |
| CN207068654U (en) | A kind of good capacitor of durable performance | |
| CN204215900U (en) | Capacitor for microwave oven | |
| CN208256482U (en) | Integrated resinous fills self-healing damped capacitor | |
| CN207068661U (en) | A kind of explosion-proof capacitor | |
| CN207068676U (en) | A kind of low capacitor of noise | |
| CN107275087B (en) | A kind of super high power three-level converter direct current capacitors | |
| CN206742005U (en) | A kind of lightning protection insulated porcelain sleeve | |
| CN204497062U (en) | The integrated capacitor of capacitor core body insulation | |
| CN203706826U (en) | Integrated resonance eliminator capable of limiting current and voltage at one time | |
| CN201174323Y (en) | Gas immersing high-voltage parallel capacitor | |
| CN102637534A (en) | High-temperature long-service-life large-sized aluminum electrolytic capacitor and manufacturing method thereof | |
| CN101752062A (en) | Explosion-proof transformer sleeve | |
| CN209328704U (en) | A kind of compound mutual inductor being exclusively used in high pressure self healing capacitor | |
| CN203941811U (en) | Capacitor | |
| CN204315391U (en) | Conductive pole point contact type noinductive capacitor | |
| CN102683004B (en) | Fireproof power capacitor | |
| CN206947179U (en) | A kind of super high power three-level converter direct current capacitors | |
| CN207082438U (en) | A kind of bulk capacitor of convenient observation | |
| CN205751818U (en) | Two ends terminals minor composite capacitance-type dry-type transformer sleeve pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20180726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |