CN206441633U - Intelligent low-voltage power capacitor of dry capacitor - Google Patents
Intelligent low-voltage power capacitor of dry capacitor Download PDFInfo
- Publication number
- CN206441633U CN206441633U CN201720177410.2U CN201720177410U CN206441633U CN 206441633 U CN206441633 U CN 206441633U CN 201720177410 U CN201720177410 U CN 201720177410U CN 206441633 U CN206441633 U CN 206441633U
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- CN
- China
- Prior art keywords
- capacitor
- dry
- voltage power
- shell
- low voltage
- 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
- 239000003990 capacitor Substances 0.000 title claims abstract description 69
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 37
- 239000004411 aluminium Substances 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 23
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000000945 filler Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Road Signs Or Road Markings (AREA)
Abstract
The utility model discloses an intelligent low pressure power capacitor of dry-type electric capacity, including inside cover have the aluminium shell of inlayer plastic casing, the inside capacitor assembly that is equipped with of inlayer plastic casing, capacitor assembly includes the power, intelligent component, zero throw-off switch subassembly, miniature CT circuit, temperature sensor, dry-type low pressure power capacitor and capacitor status indicator lamp, the power in proper order with intelligent component, zero throw-off switch subassembly, miniature CT circuit, temperature sensor, dry-type low pressure power capacitor and capacitor status indicator lamp are connected, miniature CT circuit includes that the condenser overflows, open-phase protection circuit. Through the miniature CT circuit, overvoltage, undervoltage, overcurrent and three-phase imbalance of the capacitor can be effectively protected, and the safety of the circuit is greatly improved.
Description
Technical field
The utility model is related to a kind of capacitor, more particularly to a kind of Intelligent low voltage power capacitor of dry-type capacitance.
Background technology
Due to no overcurrent protection in current power capacitor, just it is easy to accident occur when current is excessive, safety
Property cannot be guaranteed.
Capacitor is a kind of device for accommodating electric charge, is made up of two conductors that are insulated from each other and being spaced closely together.Capacitor
Filler is wrapped using the shell of aluminum mostly, pin is installed in shell, cap is installed in shell port.Existing electricity
Design is simple mostly for shell of tank, only drum, low intensity, and stress is easily deformed in transportation, causes electric capacity
Device fails.
Utility model content
The purpose of this utility model is and a kind of dry-type capacitance for proposing in order to solve shortcoming present in prior art
Intelligent low voltage power capacitor.
To achieve these goals, the utility model employs following technical scheme：
A kind of Intelligent low voltage power capacitor of dry-type capacitance, including housing and the capacitor bank located at enclosure interior
Part, the housing includes the aluminum shell that internal sleeve is provided with inner plastic shell, and the capacitor assembly is in inner plastic shell, institute
Be evenly distributed with the vertical raised line of at least three on the outer surface for stating inner plastic shell, the outer side edges of vertical raised line and aluminum shell it is interior
Intimate surface contact；Reinforcing ring of the side of the aluminum shell provided with some circle annulars, reinforcing ring is monoblock type with aluminum shell
Structure, reinforcing ring is each parallel to the bottom surface of aluminum shell, and the distance of adjacent reinforcing ring is equal；
The capacitor assembly is in inner plastic shell, and capacitor assembly includes power supply, intelligent assembly, zero fling-cut switch
Component, minitype CT circuit, temperature sensor, dry-type low voltage power capacitor and capacitor status indicator lamp, power supply successively with intelligence
Energy component, zero fling-cut switch component, minitype CT circuit, temperature sensor, dry-type low voltage power capacitor and capacitor status refer to
Show that lamp is connected, minitype CT circuit includes capacitor over-current, open-phase protection circuit.
Preferably, the vertical raised line is 8, and all vertical raised lines are tilted to homonymy, forms fan-shaped.
Preferably, the diameter of section of the reinforcing ring is more than the wall thickness of aluminum shell.
Preferably, the aluminum shell and reinforcing ring are manufactured from aluminum alloy.
Preferably, there are a projection being connected with it, the inner plastic in the center of the inner plastic shell inner bottom wall
The peripheral ring of shell inner bottom wall has multiple fins around the circle of center projection one.
Preferably, the lower end diameter of the projection is bigger than upper end diameter.
Preferably, the fin is towards center.
Preferably, through hole is offered on the aluminum shell and the corresponding position of inner plastic shell phase, indicator lamp is revealed by through hole
Go out.
Compared with prior art, the beneficial effects of the utility model are：
1st, the outer surface of inner plastic shell is provided with some vertical raised lines, and the outer side edges of vertical raised line closely contact the aluminium
The inner surface of shell so that the inner plastic shell phase has stable position for aluminum shell, will not slide or with outside the aluminium
Shell is in non-coaxial position.Filler is set between aluminum shell and inner plastic shell due to avoiding, so as to greatly reduce
The preparation difficulty of shell, and then reduce preparation cost.
2nd, reinforcing ring of the side of aluminum shell provided with some circle annulars, reinforcing ring is monolithic construction with aluminum shell, plus
The diameter of section of strong ring is more than the wall thickness of outer cover body.Reinforcing ring can play a part of skeletal support, effectively increase shell
Intensity, prevents its stress deformation.
3rd, capacitor assembly include power supply, it is intelligent assembly, zero fling-cut switch component, minitype CT circuit, temperature sensor, dry
Formula low voltage power capacitor and capacitor status indicator lamp, power supply are electric with intelligent assembly, zero fling-cut switch component, minitype CT successively
Road, temperature sensor, dry-type low voltage power capacitor and the connection of capacitor status indicator lamp, minitype CT circuit include capacitor mistake
Stream, open-phase protection circuit., can be effectively to the over-pressed, under-voltage of capacitor, excessively stream, three-phase imbalance by minitype CT circuit
Protected, substantially increase the security of circuit.
4th, inner plastic shell is provided with the inner core of the Intelligent low voltage power capacitor of the projection being connected and dry-type capacitance
Firm engaging, while provided with fin, making itself and housing when placing the inner core of Intelligent low voltage power capacitor of dry-type capacitance
Bottom wall is contacted, it is ensured that install fastening and safety.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of dry-type capacitance Intelligent low voltage power capacitor shell structure signal
Figure；
Fig. 2 be the utility model proposes a kind of dry-type capacitance Intelligent low voltage power capacitor vertical view cutaway drawing；
Fig. 3 be the utility model proposes a kind of dry-type capacitance Intelligent low voltage power capacitor aluminum shell section view
Figure；
Fig. 4 be the utility model proposes a kind of dry-type capacitance Intelligent low voltage power capacitor inner plastic shell
Internal structure schematic diagram；
Fig. 5 be the utility model proposes a kind of dry-type capacitance Intelligent low voltage power capacitor theory of constitution figure.
In figure：1st, aluminum shell, 2, inner plastic shell, 4, reinforcing ring, 5, vertical raised line, 6, projection, 7, fin.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Embodiment one
Reference picture 1-5, a kind of Intelligent low voltage power capacitor of dry-type capacitance, including housing and located at enclosure interior
Capacitor assembly, the housing is included in the aluminum shell 1 that internal sleeve is provided with inner plastic shell 2, the aluminum shell 1 provided with internal layer modeling
Material shell 2.Be evenly distributed with the vertical raised line 5 of at least three on the outer surface of the inner plastic shell 2, the outer side edges of vertical raised line 5 and
The inner surface of aluminum shell 1 is in close contact, internal layer plastic housing 2 is carried out by vertical raised line 5 it is spacing, make its will not slide easily and
Remain coaxial with aluminum shell 1.The vertical raised line 5 is 8, makes the position of inner plastic shell 2 more stable.All
Vertical raised line 5 is tilted to homonymy, is formed similar fan-shaped, is made the contact between vertical raised line 5 and aluminum shell 1 more close, from
And further ensure the stabilization of inner plastic shell 2.
Reinforcing ring 4 of the side of the aluminum shell 1 provided with some circle annulars, reinforcing ring 4 is monoblock type knot with aluminum shell 1
Structure, the diameter of section of reinforcing ring 4 is more than the wall thickness of aluminum shell 1, and reinforcing ring 4 is each parallel to the bottom surface of aluminum shell 1, adjacent reinforcing ring
4 distance is equal.The aluminum shell 1 and reinforcing ring 4 are manufactured from aluminum alloy, and reinforcing ring 4 can play a part of skeletal support, have
Effect improves the intensity of shell, prevents its stress deformation.And the structure of the annular of reinforcing ring 4 is rounder and more smooth, will not take very
The inner space of many housings.
The capacitor assembly is in inner plastic shell 2, and capacitor assembly includes power supply, intelligent assembly, zero switching and opened
Close component, minitype CT circuit, temperature sensor, dry-type low voltage power capacitor and capacitor status indicator lamp, power supply successively with
Intelligent assembly, zero fling-cut switch component, minitype CT circuit, temperature sensor, dry-type low voltage power capacitor and capacitor status
Indicator lamp is connected, and minitype CT circuit includes capacitor over-current, open-phase protection circuit., can be effectively right by minitype CT circuit
The over-pressed, under-voltage of capacitor, excessively stream, three-phase imbalance are protected, and substantially increase the security of circuit.
Through hole is offered on the aluminum shell 1 and the corresponding position of inner plastic shell 2, it is convenient for exposing indicator lamp
Observation.
Embodiment two
The projection 6 that the center of the inner bottom wall of inner plastic shell 2 has one to be connected with it, the lower end of the projection 6 is straight
Footpath is bigger than upper end diameter, and the peripheral ring of the inner bottom wall of inner plastic shell 2 has multiple fins 7 around the circle of center projection 6 one, described convex
Rib 7 is towards center.The utility model, which is provided with the projection 6 being connected and consolidated with capacitor assembly, to be engaged, and is provided with simultaneously
Fin 7, makes it be contacted with shell bottom wall when placing capacitor assembly, it is ensured that install fastening and safety.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (8)
1. a kind of Intelligent low voltage power capacitor of dry-type capacitance, including housing and the capacitor assembly located at enclosure interior,
The housing includes internal sleeve and is provided with inner plastic shell（2）Aluminum shell（1）, the capacitor assembly is located at inner plastic shell
（2）It is interior, it is characterised in that the inner plastic shell（2）Outer surface on be evenly distributed with the vertical raised line of at least three（5）, vertically
Raised line（5）Outer side edges and aluminum shell（1）Inner surface be in close contact；The aluminum shell（1）Side be provided with some circle annulus
The reinforcing ring of shape（4）, reinforcing ring（4）With aluminum shell（1）For monolithic construction, reinforcing ring（4）Each parallel to aluminum shell（1）Bottom
Face, adjacent reinforcing ring（4）Distance it is equal；The capacitor assembly is located at inner plastic shell（2）Interior, capacitor assembly includes electricity
Source, intelligent assembly, zero fling-cut switch component, minitype CT circuit, temperature sensor, dry-type low voltage power capacitor and capacitor-like
State indicator lamp, power supply successively with intelligent assembly, zero fling-cut switch component, minitype CT circuit, temperature sensor, dry type low-voltage power
Capacitor and the connection of capacitor status indicator lamp, minitype CT circuit include capacitor over-current, open-phase protection circuit.
2. the Intelligent low voltage power capacitor of a kind of dry-type capacitance according to claim 1, it is characterised in that described perpendicular
To raised line（5）For 8, all vertical raised lines（5）Tilted to homonymy, form fan-shaped.
3. the Intelligent low voltage power capacitor of a kind of dry-type capacitance according to claim 1, it is characterised in that described to add
Qiang Huan（4）Diameter of section be more than aluminum shell（1）Wall thickness.
4. a kind of Intelligent low voltage power capacitor of dry-type capacitance according to claim 1, it is characterised in that the aluminium
Shell（1）And reinforcing ring（4）It is manufactured from aluminum alloy.
5. the Intelligent low voltage power capacitor of a kind of dry-type capacitance according to claim 1, it is characterised in that in described
Layer plastic housing（2）There is a projection being connected with it at the center of inner bottom wall（6）, the inner plastic shell（2）The week of inner bottom wall
Side ring is around center projection（6）One circle has multiple fins（7）.
6. the Intelligent low voltage power capacitor of a kind of dry-type capacitance according to claim 5, it is characterised in that described convex
Post（6）Lower end diameter it is bigger than upper end diameter.
7. the Intelligent low voltage power capacitor of a kind of dry-type capacitance according to claim 5, it is characterised in that described convex
Rib（7）Towards center.
8. a kind of Intelligent low voltage power capacitor of dry-type capacitance according to claim 1, it is characterised in that the aluminium
Shell（1）With inner plastic shell（2）Through hole is offered on corresponding position, indicator lamp is exposed by through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177410.2U CN206441633U (en) | 2017-02-27 | 2017-02-27 | Intelligent low-voltage power capacitor of dry capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720177410.2U CN206441633U (en) | 2017-02-27 | 2017-02-27 | Intelligent low-voltage power capacitor of dry capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441633U true CN206441633U (en) | 2017-08-25 |
Family
ID=59634516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720177410.2U Expired - Fee Related CN206441633U (en) | 2017-02-27 | 2017-02-27 | Intelligent low-voltage power capacitor of dry capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206441633U (en) |
-
2017
- 2017-02-27 CN CN201720177410.2U patent/CN206441633U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 |