CN203351388U - Inductance-adjustable open type air-core reactor - Google Patents
Inductance-adjustable open type air-core reactor Download PDFInfo
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- CN203351388U CN203351388U CN 201320426585 CN201320426585U CN203351388U CN 203351388 U CN203351388 U CN 203351388U CN 201320426585 CN201320426585 CN 201320426585 CN 201320426585 U CN201320426585 U CN 201320426585U CN 203351388 U CN203351388 U CN 203351388U
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Abstract
The utility model relates to an inductance-adjustable open type air-core reactor. The inductance-adjustable open type air-core reactor comprises an air core coil, clamping members and a base, wherein the clamping members are connected to two ends of the air core coil to clamp and fix the air core coil, the base is located below the air core coil and fixed below the clamping member to fix the air core coil and the clamping member. The air core coil comprises an insulating fixed cylinder, a coil winding and a plurality of insulating spacers, wherein the insulating fixed cylinder is arranged in the middle of the air core coil, the coil winding is provided with a plurality of taps and sleeved on the outer side of the circumference of the insulating fixed cylinder in a laminating cake-type structure, and the plurality of insulating spacers are disposed between any two adjacent cake-type structures and fixed on the insulating fixed cylinder. Compared with existing like products, the inductance-adjustable open type air-core reactor has the advantages that the self weight of the whole air-core reactor is reduced substantially, the size is small, installation and fixation of the air-core reactor are facilitated greatly, the cooling capacity of the coil winding is greatly improved, the air-core reactor is compact and firm in overall structure and convenient to assemble and disassemble, and production and post-maintenance are facilitated.
Description
Technical field
The utility model relates to a kind of reactor, relates in particular to the adjustable opened hollow reactor of a kind of inductance.
Background technology
Along with the development of electric power system, also more and more higher to the requirement of power grid quality.The reactive power compensation reactor is equipment indispensable in electric power system, and it can improve the power factor of electrical network, reduces the loss of supply transformer and conveying circuit, improves power supplying efficiency, improves the power supply environment.Simultaneously, increasing measurement and testing apparatus have also proposed higher requirement to the reactive power compensation reactor, and characteristics are: low pressure, electric current are large, compensation capacity is changeable, inductance is adjustable, can be applicable to medium-high frequency running environment etc.
The inductance of current common opened hollow reactor is generally non-adjustable, and reason is to be difficult for taking out tap when coiling.If realize, inductance is adjustable, and the normal mode adopted is for sealing in parallel more and adding auxiliary winding, and tap is also unsuitable too many.The mode of sealing that the at present domestic newer adjustable air core reactor of inductance adopts coil is resin-cast, and this mode advantage is that insulation property are better, but shortcoming is: 1, coil heat-sinking capability variation; 2, a plurality of taps of coil band, can't corrected by adjusting by cast rear section reactance value devious, can only meet the required precision to reactance value by the production technology that improves coil; 3, it is excessive that a large amount of epoxy resin used causes the product deadweight, to the installation of product and fixedly have higher requirement.
Summary of the invention
The technical problems to be solved in the utility model is: in order to solve the adjustable opened hollow reactor of existing inductance, exist deadweight, volume to cause more greatly installing and fixing inconvenience, and once heat dispersion is poor, product moulding the problem of the defect such as deviate can't be adjusted, precision is lower, and provide that a kind of lightweight volume is little, heat dispersion is high, easy for operation, precision is high, mounting or dismounting and adjust the adjustable opened hollow reactor of inductance convenient, that easily produce easy care.
The utility model solves the technical scheme that its technical problem adopts: the opened hollow reactor that a kind of inductance is adjustable, it comprises: air core coil, clamping element and base.Air core coil comprises: the insulation stationary magazine creel is arranged at the middle part of air core coil; Coil windings with a plurality of taps, be sheathed on the week of insulation stationary magazine creel laterally, is stacked cake formula structure; A plurality of insulation spacers, be arranged between arbitrary neighborhood two layer cake formula structures and be fixed on the insulation stationary magazine creel; Clamping element, be connected in the two ends of air core coil with the air core coil that is fixedly clamped; Base, the below that is positioned at the below of air core coil and is fixed in clamping element is with fixation hollow coil and clamping element.
At inductance as above in adjustable opened hollow reactor, preferably, a plurality of insulation spacers of air core coil axially are the setting of multiple row linearity along the insulation stationary magazine creel.
At inductance as above, in adjustable opened hollow reactor, preferably, air core coil also comprises: be arranged between insulation stationary magazine creel and coil windings, along the circumferential interval of insulation stationary magazine creel, be fixed in the many bracing bars on the insulation stationary magazine creel; Each row insulation spacer is fixed on a bracing bars.
At inductance as above, in adjustable opened hollow reactor, preferably, insulation spacer is provided with and engages the draw-in groove with the fixed insulation pad with stay.
At inductance as above, in adjustable opened hollow reactor, preferably, draw-in groove is the dovetail groove shape.
At inductance as above, in adjustable opened hollow reactor, preferably, air core coil also comprises: the lead-out wire of insulation board structure connects panel; Lead-out wire connects on panel the perforate be provided with the number of taps same number of air core coil, is connected and fixed the tap of air core coil by described perforate, and the two ends up and down that lead-out wire connects panel are fixedly connected on respectively the two ends of clamping element by connector.
At inductance as above, in adjustable opened hollow reactor, preferably, clamping element comprises:
Upper end plate, be arranged at the upper end of air core coil; Lower end plate, be arranged at the lower end of air core coil; Screw rod, through upper end plate and lower end plate and the space that surrounds through the insulation stationary magazine creel, with the air core coil that is fixedly clamped.
At inductance as above, in adjustable opened hollow reactor, preferably, stay is bonded on the insulation stationary magazine creel.
At inductance as above, in adjustable opened hollow reactor, preferably, the material of insulation spacer is selected from SMC molding compound or DMC molding compound; The material of insulation stationary magazine creel is epoxy material.
At inductance as above, in adjustable opened hollow reactor, preferably, the material of stay is fiberglass.
In adjustable opened hollow reactor, preferably, on the face contacted with air core coil of insulation spacer, be formed with a plurality of projections at inductance as above.
In adjustable opened hollow reactor, preferably, between described projection, be formed with through hole at inductance as above.
The beneficial effects of the utility model are: the opened hollow reactor that this inductance is adjustable is compared with existing product of the same type, mainly there is following significant advantage: owing to not re-using a large amount of epoxy resin, coil windings is sealed, and adopt insulating spacer to separate coil windings, so the deadweight of product integral body is significantly alleviated and volume reduces, be very easy to the installation of product and fix, simultaneously, the heat-sinking capability of coil windings significantly improves, the stability in use of product, reliability and precision are improved, and extended useful life; Adopt clamping element to be clamped air core coil, make product compact overall structure, firm, easy for operation, and parts are less, assembling is adjusted and dismounting is convenient, are convenient to produce and later maintenance.
The accompanying drawing explanation
Fig. 1 is the main TV structure cross-sectional schematic of a kind of embodiment of providing of the utility model.
Fig. 2 is the plan structure cross-sectional schematic of a kind of embodiment of providing of the utility model.
Fig. 3 is the perspective view of a kind of embodiment of providing of the utility model.
In figure, symbol description is as follows:
1 base, 6 air core coils,
61 insulation stationary magazine creels, 62 coil windings, 63 insulation spacers, 64 stays,
65 lead-out wire connecting line panels, 621 taps, 631 draw-in grooves,
End plate on 5 clamping elements, 51,52 times end plates, 53 screw rods.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model execution mode is described in further detail.
Referring to Fig. 1 to Fig. 3, the utility model embodiment provides a kind of inductance adjustable opened hollow reactor, and it comprises: air core coil 6, clamping element 5 and base 1.Base 1, the below that is positioned at the below of air core coil 6 and is fixed in clamping element 5 is with support fixation hollow coil 6 and clamping element 5.
Wherein, air core coil 6 comprises: insulation stationary magazine creel 61, coil windings 62 and insulation spacer 63.
The plain conductor coiling that is surrounded by insulation by surface for the coil windings 62 of reactive power compensation forms, in winding process, first by wire along the insulation stationary magazine creel 61 radially continuous coiling become a pie (pie of hollow), again by a plurality of pies along the insulation stationary magazine creel 61 axially-aligned form stacked cake formula structure, this stacked cake formula structure is because surface area is large, perfect heat-dissipating.On coil windings 62, pick out a plurality of taps (joint) 621, to be connected in external circuit, because a plurality of taps that arrange are connected in the diverse location place of coil windings 62, a plurality of taps are connected and/or parallel combination, the inductance that can realize the opened hollow reactor is adjustable, and then meets the demand of external circuit to different induction.
In practice, generally head end and the end in coil windings 62 arranges respectively tap, one or more tap is set between the head end in coil windings 62 and end again, to be positioned at the tap of head end as high pressure end of incoming cables (input), to be positioned at the tap of end as low-pressure line-outgoing end (output), external circuit is connected with the low-pressure line-outgoing end opened hollow reactor adjustable with this inductance by the high pressure end of incoming cables.For the ease of the adjusting of inductance, at the low-pressure line-outgoing end, one short-circuit line is set, so that the low-pressure line-outgoing end of coil windings is fixed, the tap only changed between the first and last end can be regulated inductance with being connected of low-pressure line-outgoing end (short-circuit line).The material of plain conductor is preferably copper or aluminium.Coil windings can be one, can also be for a plurality of, and the present embodiment is not limited this.
Be provided with a plurality of insulation spacers 63 between adjacent two layers cake formula structure arbitrarily, this insulation spacer 63 is fixed on insulation stationary magazine creel 61, owing between adjacent two layers cake formula structure, by insulation spacer 63, having separated certain distance, therefore improved the air circulation of air core coil, improved the radiating effect of the adjustable opened hollow reactor of this inductance, make the clear in structure between layers of cake formula structure simultaneously, reduced the complexity of coiling work.In order further to strengthen the mobility of air, a plurality of insulation spacers of air core coil are the setting of multiple row linearity, and the shape of insulation spacer can be rectangle, can also be for trapezoidal, and the present embodiment is not limited this.The material of insulation spacer 63 is for have the material of heat resistance and compressive property simultaneously, be preferably SMC(Sheet Moulding Compound, sheet molding compound) at least one in molding compound molding compound and DMC(Dough Moulding Compound, polyester material group).
From Fig. 2～3, can find out, air core coil circumferentially, have along the multiple row insulation spacer 63 of the axial linearly setting of insulation stationary magazine creel 61, the external diameter that the insulation spacer 63 of every one deck forms is greater than the maximum outside diameter of air core coil, with the coil windings of avoiding coiling, comes off.
In addition, in order further to improve the radiating effect of air core coil, can be formed with a plurality of intensive projections one of side up and down or the both sides of insulation spacer 63, make a plurality of projections when supporting air core coil, can utilize again the space between projection to distribute the heat that coil produces, make the coil between two pads also can dispel the heat well, make thus the circumferential heat radiation of coil more even.
Certainly, above-mentioned a plurality of projections can be unordered, can be also along air core coil circumferentially, on radial direction previous column one row ground, form, can also be the concavo-convex spacer structure that is formed with multiple row tooth bar sample on insulation spacer.
In addition, in order further to contribute to flowing of heat, can also between the projection of insulation spacer 63, form through hole, make two sidewinds of insulation spacer communicate.
Be formed with projection or laciniation on insulation spacer, make the frictional force between air core coil and pad be strengthened, also can help avoid thus air core coil and move left and right.
In actual applications, between the multilayer cake formula structure of coil windings 62, be provided with insulation spacer, can strengthen the insulation property between every layer cake formula structure, even under lightning impulse and some over-voltage condition, insulation property are still good; Insulation spacer separates certain space by any two cake formula structures, makes the radial direction of coil windings that heat dissipation channel be arranged, and has strengthened the heat-sinking capability of air core coil, thereby has reached the purpose that reduces volume, saves material.
Insulation stationary magazine creel 61 is arranged at the shape of the middle part of air core coil 6 with constraint coil windings 62, when wire turns to coil windings 62 around it, can make the shape of coil windings 62 close with the shape of insulation stationary magazine creel 61.The material of insulation stationary magazine creel 61 is epoxy material, is preferably the glass fiber that is soaked with epoxy resin.
For the installation and removal that make insulation spacer 63 simple and convenient, be provided with many bracing bars 64 between insulation stationary magazine creel 61 and insulation spacer 63, the length direction of each bracing bars 64 is axial consistent with air core coil, the week that insulation stationary magazine creel 61 is fixed at many bracing bars 64 intervals makes progress, preferably, stay 64 is bonded on insulation stationary magazine creel 61.Further, it on insulation spacer 63, is the oblong-shaped structure, preferably on rectangular a certain limit, be provided with draw-in groove 631, this draw-in groove 631 engages with fixed insulation pad 63 with stay 64, and draw-in groove preferably is dovetail groove shape (cross section of stay coordinates and makes the two mutually to engage with the notch of insulation spacer).The material of stay 64 is preferably fiberglass.
In application, stay 64 makes the coil windings of coiling not abut against on the insulation stationary magazine creel, stay certain vertical air channel (at reactor heat dissipation channel axially also arranged) between stationary magazine creel in coil windings and insulation, improved the radiating effect of reactor, further strengthened the heat-sinking capability of air core coil, reduced volume and (if coil directly is wound on epoxy cylinder, (without stay, insulation spacer has been arranged), the heat-sinking capability of coil inner surface is very low, can only carry out distribute heat by the heat transfer of epoxy cylinder, affect the heat radiation in air channel between cake simultaneously).
Be provided with lead-out wire in the side of air core coil and connect panel 65, the two ends of clamping element 5 are fixed at the two ends of lead-out wire connection panel 65 by connector, a plurality of holes of its upper shed, for fixing a plurality of lead-out wire terminals, this lead-out wire terminal and tap connect one to one, and to facilitate external circuit, access the adjustable opened hollow reactor of this inductance.
Clamping element 5 comprises: upper end plate 51, lower end plate 52 and screw rod 53.Upper end plate 51 is arranged at the upper end of air core coil 6, is provided with the screw hole that screw rod 53 passes on it; Lower end plate 52 is arranged at the lower end of air core coil 6, is provided with the screw hole that screw rod 53 passes on it, and base is fixed in lower end plate 52 belows; Screw rod 53, through upper end plate 51 and lower end plate 52 and the space that surrounds through insulation stationary magazine creel 61, with the air core coil 6 that is fixedly clamped, make the adjustable opened hollow reactor of this inductance as a whole by screw hole, is integral structure.Wherein, the two ends of lead-out wire connection panel 65 are individually fixed on the upper end plate and lower end plate of clamping element 5 by connector.
In other embodiment, screw rod can be replaced with C type draw-in groove, the height of this C type draw-in groove and the height of air core coil 6 adapt, and are arranged at the outside of air core coil 6, its top and bottom are individually fixed in end plate and lower end plate, and the present embodiment is not limited this.Upper and lower end plate material, for the insulation material, is preferably epoxy resin bonded fiber.The shape of upper and lower end plate is preferably circle.The middle part of upper and lower end plate is provided with circular hole, and this circular hole is corresponding with the nozzle of insulation stationary magazine creel 61.
Because screw rod 53 is fixed by nut at the screw hole place, and compress air core coil to produce frictional force by upper and lower end plate, avoid air core coil to move left and right, lower end plate is fixed on base by screw rod simultaneously, can also be bolted on base, make air cooling coil and clamping element be difficult for moving left and right.
In sum, the opened hollow reactor that the inductance that the utility model provides is adjustable is owing to not using a large amount of epoxy resin to be sealed coil windings, and adopt insulation spacer to separate the adjacent two layers cake formula structure of coil windings, so the deadweight of product integral body is light, small volume, facilitated the installation of product and fixed, simultaneously, having kept the good heat-sinking capability of coil windings, the stability in use of product, reliability and precision are higher, long service life; Adopt clamping element to be clamped air core coil, make the product overall structure be integrated, and compact firm, easy for operation, and parts are less, assembling is adjusted and dismounting is convenient, are convenient to produce and later maintenance.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (12)
1. the opened hollow reactor that inductance is adjustable, is characterized in that, comprising:
Air core coil (6);
Clamping element (5), be connected in the two ends of air core coil (6) with the air core coil that is fixedly clamped (6); With
Base (1), the below that is positioned at the below of air core coil (6) and is fixed in clamping element (5) is with fixation hollow coil (6) and clamping element (5), wherein,
Air core coil (6) comprising:
Insulation stationary magazine creel (61), be arranged at the middle part of air core coil (6);
Coil windings (62) with a plurality of taps (621), be sheathed on the week of insulation stationary magazine creel (61) laterally, is stacked cake formula structure; With
A plurality of insulation spacers (63), be arranged between arbitrary neighborhood two layer cake formula structures and be fixed on insulation stationary magazine creel (61).
2. opened hollow reactor according to claim 1, is characterized in that,
A plurality of insulation spacers (63) of air core coil axially are the setting of multiple row linearity along insulation stationary magazine creel (61).
3. opened hollow reactor according to claim 2, is characterized in that,
Air core coil (6) also comprises: be arranged between insulation stationary magazine creel (61) and coil windings (62), along the circumferential interval of insulation stationary magazine creel (61), be fixed in the many bracing bars (64) on insulation stationary magazine creel (61);
Each row insulation spacer (63) is fixed on a bracing bars (64).
4. opened hollow reactor according to claim 3, is characterized in that, insulation spacer (63) is provided with and engages the draw-in groove (631) with fixed insulation pad (63) with stay (64).
5. opened hollow reactor according to claim 4, is characterized in that,
Draw-in groove (631) is the dovetail groove shape.
6. opened hollow reactor according to claim 1, is characterized in that,
Air core coil (6) also comprises: the lead-out wire of insulation board structure connects panel (65),
Lead-out wire connects on panel (65) perforate be provided with tap (621) the number same number of air core coil (6), be connected and fixed the tap (621) of air core coil by described perforate, the two ends up and down that lead-out wire connects panel (65) are fixedly connected on respectively the two ends of clamping element (5) by connector.
7. opened hollow reactor according to claim 1, is characterized in that,
Clamping element (5) comprising:
Upper end plate (51), be arranged at the upper end of air core coil (6);
Lower end plate (52), be arranged at the lower end of air core coil (6);
Screw rod (53), through upper end plate (51) and lower end plate (52) and the space that surrounds through insulation stationary magazine creel (61), with the air core coil that is fixedly clamped (6).
8. opened hollow reactor according to claim 3, is characterized in that,
Stay (64) is bonded on insulation stationary magazine creel (61).
9. opened hollow reactor according to claim 1, is characterized in that,
The material of insulation spacer (63) is SMC molding compound or DMC molding compound,
The material of insulation stationary magazine creel (61) is epoxy material.
10. opened hollow reactor according to claim 3, is characterized in that,
The material of stay (64) is fiberglass.
11. opened hollow reactor according to claim 1, is characterized in that,
Be formed with a plurality of projections on the face contacted with air core coil (6) of insulation spacer (63).
12. opened hollow reactor according to claim 11, is characterized in that,
Be formed with through hole between described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320426585 CN203351388U (en) | 2013-07-17 | 2013-07-17 | Inductance-adjustable open type air-core reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320426585 CN203351388U (en) | 2013-07-17 | 2013-07-17 | Inductance-adjustable open type air-core reactor |
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| Publication Number | Publication Date |
|---|---|
| CN203351388U true CN203351388U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320426585 Expired - Lifetime CN203351388U (en) | 2013-07-17 | 2013-07-17 | Inductance-adjustable open type air-core reactor |
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| Country | Link |
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| CN (1) | CN203351388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354158A (en) * | 2013-07-17 | 2013-10-16 | 北京电力设备总厂 | Open type air reactor with adjustable inductance |
-
2013
- 2013-07-17 CN CN 201320426585 patent/CN203351388U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354158A (en) * | 2013-07-17 | 2013-10-16 | 北京电力设备总厂 | Open type air reactor with adjustable inductance |
| CN103354158B (en) * | 2013-07-17 | 2016-07-06 | 北京电力设备总厂有限公司 | The adjustable opened hollow reactor of inductance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ELECTRIC POWER EQUIPMENT GENERAL FACTORY C Free format text: FORMER NAME: BEIJING POWER EQUIPMENT GENERAL PLANT |
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| CP01 | Change in the name or title of a patent holder |
Address after: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee after: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. Address before: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee before: Beijing Power Equipment Group |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |