CN205335042U - Wear power transformer around silicon strip magnetic core - Google Patents
Wear power transformer around silicon strip magnetic core Download PDFInfo
- Publication number
- CN205335042U CN205335042U CN201521090560.7U CN201521090560U CN205335042U CN 205335042 U CN205335042 U CN 205335042U CN 201521090560 U CN201521090560 U CN 201521090560U CN 205335042 U CN205335042 U CN 205335042U
- Authority
- CN
- China
- Prior art keywords
- winding
- magnetic core
- silicon strip
- core module
- outside layer
- 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.)
- Withdrawn - After Issue
Links
Abstract
Wear power transformer around silicon strip magnetic core is applicable to 30 to 1600 kVA volume ranges, includes a winding - magnetic core module and insulating supporting arrangement at least, this module includes two at least winding subassemblies again, that each winding subassembly is in the same place including axis ground intussusception altogether separately, twine respectively by fiber glass insulation copper line including, interior, the external -layer winding that constitute on the outer porcelain body frame, the the central axis end -to -end connection of each winding subassembly inner chamber is the annular, fixes a position on special machine tool, the inner chamber fills in silicon strip, wear around forming the magnetic core, in each, external -layer winding just the cladding wearing around the magnetic core periphery, flood fire -retardant insulated paint, stoving again after 750 DEG C to 800 DEG C integrally annealeds, make winding - magnetic core module, load onto insulating supporting arrangement and wear around the magnetic core transformer. Under the similar condition of material, compare prior art and tailor lamination magnetic core transformer, all to save in material and man -hour by a wide margin, transformer efficiency improves, and volume, weight are littleer, and iron core magnetic leakage and operating noise are also slighter.
Description
Technical field
This utility model relates to 30 to 1600kVA(kilovolt-ampere) single, the three-phase power transformer of intermediate size and preparation method thereof, particularly relate to and first make winding, be placed on special purpose machine tool and pass around silicon strip constitute magnetic core, then implement 750 DEG C of processes to 800 DEG C of integrally annealeds。
Background technology
No matter prior art power transformer is oil immersion or is dry type, it is necessary to the stalloy of cutting or the many sizes of punching press, they is overlapped and becomes the cylinder that transverse section envelope is circle, is then assembled into as core structure。Operation is various, complicated, and waste of material is quite a few, and the stray transformer flux made is big, and power transformation efficiency is low。
For a long time, people are making great efforts to seek a kind of new structure of power transformer and process always, but limited success。Prior art has various ways at the efficient power transformator produced, including amorphous iron core transformator and R type transformator etc.。
The core loss value of amorphous iron core transformator is low but volume big, and fabrication of iron core process cumbersome becomes fragile after annealing, and mechanical shock resistance is poor, and cost performance is low, it is difficult to promote。
R type transformer device structure is compact, and floor space is little, and rationally distributed, Optimize magnetic circult, loss are low, and power savings is notable, but its complex manufacturing, cost are high, and the shortcoming that can not avoid generation tailing completely。
The applicant/utility model people proposes a name before more than ten years and is called the Chinese utility model patent of " transformator winding magnetic core winding method and special purpose machine tool ", and be authorized bulletin July 4 calendar year 2001, and notification number is CN1068134C。Described patent disclosure transformator passes around the technical scheme of silicon strip magnetic core special machine tool structure and this essential structure passing around silicon strip core transformers。The technology of this patent disclosure significantly simplify the procedure of processing of silicon steel material, has saved raw material and has substantially increased labor productivity, and the performance of product transformator is greatly enhanced。But described patent does not disclose this technology for the concrete technology step that power transformer manufactures, and this specific embodiment passing around the single-phase of silicon strip magnetic core and three-phase power transformer。
Utility model content
The technical problems to be solved in the utility model is in that the weak point avoiding above-mentioned prior art high-performance variable depressor complex manufacturing, cost is high, and the high-performance proposing a kind of production technology simple with low cost passes around magnetic core structure of power transformer and preparation method thereof。
This utility model solves described technical problem and employed technical scheme comprise that a kind of power transformer passing around silicon strip magnetic core, it is adaptable to 30 to 1600kVA range of capacity, at least includes a winding-magnetic core module and for being installed fixing insulation supporting device;Described winding-magnetic core module includes at least two winding assembly；The inside and outside layer winding that each winding assembly is nested together with including common axis；Each inside and outside layer winding includes inside and outside layer porcelain body frame and the inside and outside layer line circle that the material being respectively wound around on inside and outside layer porcelain body frame is glassfiber insulation copper cash；The transverse section central part cavity of described inside and outside layer winding is approximate rectangular, for the accommodating silicon strip passed around and allow described two winding intussusceptions；Described winding-magnetic core module is positioned on special purpose machine tool ringwise by the central axis head and the tail connection of respectively this winding assembly, fill in silicon strip from the gap between adjacent two winding assemblies to pass around, until filling up each internal layer winding internal cavity and constituting the magnetic core that respectively this winding assembly is common；Each winding assembly collectively constitutes winding-magnetic core module with the toroidal core passed around by silicon strip；And in the outer surface and all gaps of Qi Nei of this winding-magnetic core module, be also coated with securely and be adsorbed with one layer of insulation paint film formed through integrally annealed and vacuum impregnation；Respectively the inside and outside layer line circle of this winding-magnetic core module each electrically connects respectively in the way of mutual series, parallel or series-parallel connection, serves as primary side, second siding ring, otherwise or；Described winding-magnetic core module is provided with the input wires device for electrically connecting with primary side electrical network and secondary side electrical network respectively and output connection device；It is mounted on the only one of which winding-magnetic core module on insulation supporting device, it is simply that single phase power transformer；Being mounted on has three windings-magnetic core module on insulation supporting device, and respectively the internal layer of this winding-magnetic core module or outer coil are used as primary side and high-voltage side, mutually do star or triangle connects, that is, three-phase power transformer。
Described winding-magnetic core module includes 3 to 4 winding assemblies, and respectively the central axis head and the tail of this winding assembly connect ringwise, and they own the same toroidal core passing around silicon strip together；Respectively the outer coil of this outer layer winding be serially connected, in parallel or series-parallel connection, be used as high-tension first siding ring；Respectively the inner coil of this internal layer winding be serially connected, in parallel or series-parallel connection, or each output respectively, independently-powered, be used as the second siding ring of low voltage；It is arranged being to obtain good magnetic coupling。
The both ends of described inside and outside layer porcelain body frame have respectively around its outer surface radial projection axially extended, respective prominent stupefied；Described internal layer winding is by the prominent stupefied cavity being connected in outer layer winding of himself;Described each inside and outside layer winding is dashed forward respectively through respective porcelain body frame and stupefied is fitted and fixed with mutually。
The described power transformer passing around silicon strip magnetic core also includes being placed in described winding-magnetic core module central axis position, for the center spacing body of insulation between each outer layer winding, this center spacing body is with its central authorities' cylindrical hole central axis for axis of symmetry, it is evenly distributed with at least two partitions, described each partition embed adjacent two be electrically connected to each other, between on high-tension side two outer layer windings, to improve electric simulation strength therebetween。
On the respective inside and outside anchor ring of described inside and outside layer porcelain body frame, it is equally spaced and is wound around inside and outside layer line circle, radial projection axially extended inside and outside layer porcelain body frame dividing plate for convenient。
Described insulation supporting device also includes the single-phase column of identical with winding assembly quantity group electrician's porcelain material and upper and lower two blocks of annular sleepers；Described annular sleeper is provided with the stationary barrier for single-phase column fix connection identical with winding assembly quantity, and described each winding assembly is embedded between each stationary barrier of upper and lower two blocks of described annular sleepers；Described single-phase column is provided with the single-phase column engaging lug for connecting with input, output connection device。
Described insulation supporting device also includes the three-phase column of identical with winding assembly quantity group electrician's porcelain material and four blocks of annular sleepers；Described annular sleeper is provided with the stationary barrier of for same three-phase column fixing connection identical with winding assembly quantity；Described four blocks of annular sleepers are respectively equipped with each winding assembly used by a winding-magnetic core module between any two；Described winding assembly is embedded between each stationary barrier of upper and lower two blocks of described annular sleepers；Described each three-phase column is provided with the three-phase column engaging lug for connecting with input, output connection device。
The connection copper sheet that described each internal layer winding is connected across between internal layer porcelain body frame edge by soldering is electrically connected to each other；The connecting line that described each outer layer winding is connected across between outer layer porcelain body frame edge by securing member is electrically connected to each other。
Described input wires device includes the porcelain vase for high input voltage wire insulation；Link slot that described output connection device includes connecting for same inner coil at internal layer winding overhang, use between link slot and outside output copper bar and connect copper bar and be electrically connected。
This utility model solves the technical scheme of described technical problem employing and can also is that a kind of winding for power transformer-magnetic core module, including at least two winding assembly；The inside and outside layer winding that each winding assembly is nested together with including common axis；Each inside and outside layer winding includes respective inside and outside layer porcelain body frame respectively, and is respectively wound around inside and outside layer line circle on respective porcelain body frame, that material is glassfiber insulation copper cash；The transverse section central part cavity of described inside and outside layer winding is approximate rectangular, for the accommodating silicon strip passed around and allow described two winding intussusceptions；Described winding-magnetic core module is positioned on special purpose machine tool ringwise by the axis head and the tail connection of respectively this winding assembly, fill in silicon strip from the gap between adjacent two winding assemblies automatically to pass around, until filling up each internal layer winding internal cavity and constituting the magnetic core that respectively this winding assembly is common；Each winding assembly collectively constitutes winding-magnetic core module with the toroidal core passed around by silicon strip；And in the outer surface and all gaps of Qi Nei of this winding-magnetic core module, be also coated with securely and be adsorbed with one layer of insulation paint film formed through integrally annealed and vacuum impregnation；Respectively this inside and outside layer line circle electrically connects mutually respectively in the way of series, parallel or series-parallel connection, on the contrary be used as first and second lateral coil or；Described winding-magnetic core module is provided be respectively used to same primary side, secondary side electrical network electrical connection input wires device and output connection device。
Compared with the existing technology relatively, the beneficial effects of the utility model are: 1, the direction of magnetization owing to passing around magnetic core is completely consistent with the rolling direction of stalloy, and magnetic core interlayer does not have joining seam to connect, magnetic circuit magnetic flux distribution everywhere is uniform, it does not have significantly high resistance area, there is no the distortion phenomenon of seam crossing magnetic flux density；Under the premise that material is identical, pass around formula magnetic core compared with laminated core, core loss and leakage field can be made all substantially to reduce；2, the power transformer operating magnetic field flux density passing around magnetic core is reasonable in design, the silicon strip passed around on special purpose machine tool is extremely fine and close, will not produce to make a noise because magnetic circuit is discontinuous and it is deficient tight to laminate as laminated core, nearly reach environmental protection silent state, be best suitable for indoor and residential quarter use；3, pass around silicon strip magnetic core through the high temperature anneal, not only eliminate the internal stress that silicon strip produces because of bending, and refined the magnetic domain in silicon strip, improve silicon strip secondary recrystallization ability, make the magnetic property of silicon strip be significantly better than level when it dispatches from the factory；4, owing to the resistivity of silicon strip itself is relatively big, and being coated with insullac between each layer silicon strip or have oxidation insulating layer by heat treatment generation, thus eddy current is limited in each layer thin slice, making eddy-current loss be greatly reduced, the caloric value of transformator own is just very low；5, each winding of transformator is uniformly distributed and is coated on each segmental arc of toroidal core, and whole secondary sides, first siding ring all serve as radiator, can do sufficient heat exchange with outside。
Accompanying drawing explanation
Fig. 1 is that this utility model passes around the winding-magnetic core module 100 of the power transformer preferred embodiment of silicon strip magnetic core and removes the axonometric projection schematic diagram after part winding assembly 120；
Fig. 2 is the winding-magnetic core module 100 of described preferred embodiment axonometric projection structural representation of each winding assembly 120 assembled state after removing magnetic core 150；
Fig. 3 is the orthographic projection plan structure schematic diagram of Fig. 2；
Fig. 4 is the transverse section axonometric projection structural representation after Fig. 2 removes inside and outside layer line circle 125,126；
Fig. 5 is the single winding assembly 120 assembled state axonometric projection structural representation after removing inside and outside layer line circle 125,126；
Fig. 6 is the orthographic projection plan structure schematic diagram of Fig. 5；
Fig. 7 is the axonometric projection structural representation of single outer layer porcelain body frame 124；
Fig. 8 is the orthographic projection plan structure schematic diagram of Fig. 7；
Fig. 9 is the axonometric projection structural representation of single internal layer porcelain body frame 123；
Figure 10 is the orthographic projection plan structure schematic diagram of Fig. 9；
Figure 11 is the axonometric projection structural representation of center spacing body 140；
Figure 12 is the axonometric projection schematic diagram interconnecting relation between each outer layer winding 122；
Figure 13 is the axonometric projection schematic diagram interconnecting relation between each internal layer winding 121；
Figure 14 is inner coil 125 and the annexation schematic diagram of low pressure output copper bar 196, eliminates internal layer porcelain body frame 123 in figure；
Figure 15 is outside output copper bar 196 and connects copper bar 192 annexation schematic diagram, and in figure, link slot 191 is in released state；
Figure 16 is annular sleeper 470 axonometric projection structural representation；
Figure 17 is the axonometric projection structural representation of single-phase column 460；
Figure 18 is that single-phase transformer removes each inside and outside layer winding 121,122 and retains and pass around the axonometric projection structural representation of magnetic core 150；
Figure 19 is the axonometric projection structural representation of single-phase transformer；
Figure 20 is the plan structure schematic diagram of Figure 19；
Figure 21 is the three-phase column 480 axonometric projection structural representation with annular sleeper 470 assembled state of three-phase transformer；
Figure 22 is the axonometric projection structural representation of three-phase transformer。
Detailed description of the invention
Below in conjunction with each accompanying drawing, embodiment of the present utility model is further described。
In the preferred embodiment of Fig. 1 to winding-magnetic core module 100 of the present utility model shown in 11, including at least two winding assembly 120；The inside and outside layer winding 121,122 that each winding assembly 120 is nested together with including common axis；Each inside and outside layer winding 121,122 includes inside and outside layer porcelain body frame 123,124 and the inside and outside layer line circle 125,126 that the material being respectively wound around on inside and outside layer porcelain body frame 123,124 is glassfiber insulation copper cash；The transverse section central part cavity 131,132 of described inside and outside layer winding 121,122 is in approximate rectangular, for the accommodating silicon strip passed around and allow described two winding 121,122 intussusceptions；Described winding-magnetic core module 100 is positioned on special purpose machine tool ringwise by the central axis head and the tail connection of respectively this winding assembly 120, fill in silicon strip from the gap between adjacent two winding assemblies 120 to pass around, until filling up each internal layer winding internal cavity 131 and constituting the magnetic core 150 that respectively this winding assembly 120 is common；Each winding assembly 120 collectively constitutes winding-magnetic core module 100 with the toroidal core 150 passed around by silicon strip；And in the outer surface and all gaps of Qi Nei of this winding-magnetic core module 100, be also coated with securely and be adsorbed with one layer of insulation paint film formed through integrally annealed and vacuum impregnation；Respectively this winding-magnetic core module 100 inside and outside layer line circle 125,126 each electrically connects respectively in the way of mutual series, parallel or series-parallel connection, serves as primary side, second siding ring, otherwise or；Described winding-magnetic core module 100 is provided with the input wires device 180 for electrically connecting with primary side electrical network and secondary side electrical network respectively and output connection device 190。
Special purpose machine tool fills in silicon strip from the gap between adjacent two winding assemblies 120 and passes around into the technical process of magnetic core 150, it is possible to adopt technical scheme disclosed in the Chinese utility model patent CN1068134C " winding method of transformator winding magnetic core and special purpose machine tool " of the applicant/utility model people。
If Fig. 1 is to shown in 11, described inside and outside layer winding 121,122 respectively secondary windings and armature winding, or respectively armature winding and secondary windings。Can need to be arranged to inside and outside layer winding 121,122 primary or the secondary coil of needs according to the specific design of transformator, as considered the radiating requirements of secondary coil when high pressure to low pressure converts, it is possible to outer coil is arranged to secondary coil。For another example consider high pressure to low pressure convert time high flux coupled demand outer coil can be arranged to primary coil。Namely each inside and outside layer line circle 125,126 can serve as first siding ring or second siding ring；Each inside and outside layer line circle 125,126 can also serve as second siding ring or first siding ring。
Armature winding answers practical application request different and different with secondary windings from the corresponding relation of internal layer and outer coil, in some preferred embodiments, the low-pressure end coil of 380 or 220 volts can being set to inner coil, the high-pressure side coil such as 11000 volts is set to outer coil；So converting at high pressure in the transformer application of low pressure, low-pressure end and secondary coil are placed on internal layer, and close around magnetic core, magnetic induction, magnetic flux application is better, and its magnetic induction coupling is better, and electric power output is more stable。
As shown in Figures 12 and 13, each inside and outside layer line circle 125,126 is connected mutually；Certain each inner coil 125 can also electrically connect mutually in the way of parallel connection or serial-parallel mirror；Each outer coil 126 can also mode in parallel or serial-parallel mirror electrically connect mutually。Described winding-magnetic core module 100 is provided with the input wires device 180 for connecting with primary side electrical network and secondary side electrical network respectively and output connection device 190。The connection copper sheet 137 that described each internal layer winding 121 is connected across between internal layer porcelain body frame edge 237 by soldering is electrically connected to each other；The connecting line 138 that described each outer layer winding 122 is connected across between outer layer porcelain body frame edge 238 by securing member is electrically connected to each other。
If Figure 16 is to, shown in 20, being mounted on the only one of which winding-magnetic core module 100 on insulation supporting device 400, it is simply that single phase power transformer。Described insulation supporting device 400 also includes the single-phase column 460 of the one group electrician porcelain material identical with winding assembly 120 quantity and upper and lower two blocks of annular sleepers 470；Described annular sleeper 470 is provided with the stationary barrier 477 for single-phase column 460 fix connection identical with winding assembly 120 quantity, and described each winding assembly 120 is embedded between each stationary barrier 477 of upper and lower two blocks of described annular sleepers 470；Described single-phase column 460 is provided with the single-phase column engaging lug 467 for connecting with input, output connection device 180,190。
If Figure 21 is to shown in 22, being mounted on has three windings-magnetic core module 100 on insulation supporting device 400, and respectively this winding-magnetic core module 100 internal layer or outer coil 125,126 does star mutually or triangle connects, that is, three-phase power transformer。Each inner coil 125 mutually does star or triangle and connects and can serve as primary side and high-voltage side, it is also possible to as secondary side and low voltage side；Each outer coil 126 mutually does star or triangle and connects and can serve as primary side and high-voltage side, it is also possible to as secondary side and low voltage side；Described insulation supporting device 400 also includes the three-phase column 480 of the one group electrician porcelain material identical with winding assembly 120 quantity and four blocks of annular sleepers 470；Described annular sleeper 470 is provided with the stationary barrier 477 for same three-phase column 480 fixing connection identical with winding assembly 120 quantity；Described four blocks of annular sleepers 470 are respectively equipped with each winding assembly 120 used by a winding-magnetic core module 100 between any two；Described winding assembly 120 is embedded between each stationary barrier 477 of upper and lower two blocks of described annular sleepers 470；Described each three-phase column 480 is provided with the three-phase column engaging lug 487 for connecting with input, output connection device 180,190。
As shown in Figures 1 to 4, described winding-magnetic core module 100 includes 4 winding assemblies 120, and respectively the axis head and the tail connection of this winding assembly 120 positions layout ringwise, and they own the same toroidal core 150 passing around silicon strip together；Respectively the outer coil 126 of this outer layer winding 122 be serially connected, in parallel or series-parallel connection, be used as high-tension first siding ring；Respectively the inner coil 125 of this internal layer winding 121 be serially connected, after in parallel or series-parallel connection, or each output respectively, independently-powered, be used as the second siding ring of low voltage, in order to obtain higher magnetic coupling coefficient。Certain described winding-magnetic core module 100 can also include 3,5,6 winding assemblies 120；The quantity of winding can adjust flexibly according to the size requirement of real transformer and combine, it is also possible to is 7 to 8 even more winding assemblies 120。
As shown in Figures 1 to 4, the both ends of described inside and outside layer porcelain body frame 123,124 have respectively around its outer surface radial projection axially extended, respective prominent stupefied 127,128；Described internal layer winding 121 is connected in the cavity 132 in outer layer winding 122 by himself prominent stupefied 127;Described each inside and outside layer winding 121,122 is dashed forward respectively through respective porcelain body frame and stupefied 127,128 is fitted and fixed with mutually。The connection copper sheet 137 that described each internal layer winding 121 is connected across between internal layer porcelain body frame edge 128 by soldering is electrically connected to each other；The connecting line 138 that described each outer layer winding 122 is connected across between outer layer porcelain body frame edge 128 by securing member is electrically connected to each other。
As shown in Fig. 1 to 4 and Figure 11, also include being placed in described winding-magnetic core module 100 center for the center spacing body 140 of insulation between each outer layer winding 122, described center spacing body 140 is evenly distributed with at least two partition 147 centered by cylindrical hole 148 axle center in the middle of it, and described each partition 147 embeds each outer layer winding 122 of isolated insulation in the gap between the outer layer porcelain body frame 124 connected between two。
If Fig. 7 is to shown in 10, the interior outside of described inside and outside layer porcelain body frame 123,124 is arranged at intervals with the inside and outside layer porcelain body frame dividing plate 135,136 for the convenient projection being wound around inside and outside layer line circle 125,126。
As shown in figure 12, described input wires device 180 includes the porcelain vase 184 for high input voltage wire insulation。
If Figure 13 is to shown in 15, described output connection device 190 includes the link slot 191 for the connection of same inner coil 125, uses connection copper bar 192 to be electrically connected between link slot 191 and outside output copper bar 196。
A kind of making passes around the process of the power transformer of silicon strip magnetic core, comprises the following steps A: is wound around inside and outside layer line circle 125,126 respectively on described each inside and outside layer porcelain body frame 123,124 and makes each inside and outside layer winding 121,122；Described each inside and outside layer line circle 125,126 is cladding or is wound with the insulated copper wire without latitude glass tape and passes around and form;Step B: described each internal layer winding 121 is coaxially filled in each outer layer winding 122 respectively, make winding assembly 120, being placed in by least two winding assembly 120 passes around on silicon strip special purpose machine tool again, connect with the axis of respectively this winding assembly 120 head and the tail and position layout ringwise, penetrate silicon strip from the gap between adjacent two winding assemblies 120 to pass around, until filling up each internal layer winding internal cavity 131 and constituting the magnetic core 150 that respectively this winding assembly 120 is common。
Also C in steps after implementing described step B: passed around each winding assembly 120 together by described common magnetic core 150, together put in annealing furnace do modifier treatment 12 to 24 hours including their inside and outside layer porcelain body frame 123,124 and the inside and outside layer line circle 125,126 of winding of upper winding thereof, annealing temperature 750 DEG C～800 DEG C, to eliminate the impact that its permeability is caused by silicon strip because have accumulated internal stress in passing around process。The annealing temperature of above-mentioned steps can also is that other temperature between 700 DEG C～1000 DEG C, such as 850 DEG C and 900 DEG C。
At also D in steps after implementing step C: passed around each winding assembly 120 together by common magnetic core 150 described in after step C anneals, wait it when being cooled to the ambient temperature of 5 DEG C～40 DEG C, dipping liquid insullac 0.5 to 5 hour in a vacuum, take out and dry, make stand-by winding-magnetic core module 100。
Also E in steps after implementing step D a: the winding-magnetic core module 100 being impregnated with insullac through step D is fixed on the insulation supporting device 400 being made up of the single-phase column 460 of two blocks of annular sleepers 470 and four electrician's porcelain materials and forms a single phase power transformer。
Also F in steps after implementing step D: three windings-magnetic core module 100 being impregnated with insullac through step D is fixed on the insulation supporting device 400 being made up of the three-phase column 480 of four blocks of annular sleepers 470 and four electrician's porcelain materials；And respectively the internal layer of this winding-magnetic core module 100 or outer coil 125,126 do star or triangle connects mutually, form three-phase power transformer。
Pass around the power transformer of silicon strip magnetic core, it is adaptable to 30 to 1600 kilovolt-amperes of ranges of capacity, at least include a winding-magnetic core module and insulation supporting device;Winding-magnetic core module includes at least two winding assembly；The inside and outside layer winding that this winding assembly is nested together with including common axis；Inside and outside layer porcelain body frame is wound around glassfiber insulation copper cash respectively and forms inside and outside layer winding；The axis head and the tail connection of each winding assembly positions layout ringwise, penetrates silicon strip and pass around formation magnetic core in it；Make each inside and outside coaxial heart of layer winding be socketed and be coated on the circular magnetic core periphery that passes around and form winding-magnetic core module；Carry out preparing after 750 DEG C～800 DEG C high annealings winding-magnetic core module, load onto insulation supporting device and prepare and pass around core transformers。Under the premise that material is identical, in hinge structure, laminated magnetic core transformer power transformation efficiency improves；And volume, weight are less, iron core magnetic leakage free, run noiselessness。
Of the present utility model passing around non-traditional with same power of core transformers and pass around compared with core structure transformator, in hinge structure, the dry-type transformer of power transformation efficiency about 85% improves 12%, up to 97%；Simultaneously of the present utility model pass around core transformers volume, that weight tends to the limit is little, iron core magnetic leakage free, runs noiselessness。
Owing to adopting the stalloy being coated with insulating barrier and being coated with the coil that the coiling of environmental protection flame retardant polyurethane is coiled into, the transformator in this utility model has eliminated typical transformer insulation toxic material such as " Du Pont's paper ", more environmental protection。
Of the present utility model pass around core transformers manufacture method, it is possible to achieve the intellectuality of transformator, automatization, modularized production, the concordance of transformator is greatly improved, has overthrown labor-intensive backward production。
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model。
Claims (10)
1. the power transformer passing around silicon strip magnetic core, it is adaptable to 30 to 1600kVA range of capacity, at least includes a winding-magnetic core module (100) and for being installed fixing insulation supporting device (400)；
Described winding-magnetic core module (100) includes at least two winding assembly (120)；The inside and outside layer winding (121,122) that each winding assembly (120) is nested together with including common axis；Each inside and outside layer winding (121,122) includes inside and outside layer porcelain body frame (123,124), and is respectively wound around the inside and outside layer line circle (125,126) that material is glassfiber insulation copper cash on inside and outside layer porcelain body frame (123,124)；The transverse section central part cavity (131,132) of described inside and outside layer winding (121,122) is in approximate rectangular, for the accommodating silicon strip passed around and allow described two windings (121,122) intussusception；
Described winding-magnetic core module (100) is positioned on special purpose machine tool ringwise by the central axis head and the tail connection of respectively this winding assembly (120), fill in silicon strip from the gap between adjacent two winding assemblies (120) to pass around, until filling up each internal layer winding internal cavity (131) and constituting the magnetic core (150) that respectively this winding assembly (120) is common；Each winding assembly (120) collectively constitutes winding-magnetic core module (100) with the toroidal core (150) passed around by silicon strip；And in the outer surface and all gaps of Qi Nei of this winding-magnetic core module (100), be also coated with securely and be adsorbed with one layer of insulation paint film formed through integrally annealed and vacuum impregnation；
Respectively the inside and outside layer line circle (125,126) of this winding-magnetic core module (100) each electrically connects respectively in the way of mutual series, parallel or series-parallel connection, serves as primary side, second siding ring, otherwise or；Described winding-magnetic core module (100) is provided with the input wires device (180) for electrically connecting with primary side electrical network and secondary side electrical network respectively and output connection device (190)；
It is mounted on the only one of which winding on insulation supporting device (400)-magnetic core module (100), it is simply that single phase power transformer；Being mounted on has three windings-magnetic core module (100) on insulation supporting device (400), and respectively the internal layer of this winding-magnetic core module (100) or outer coil (125,126) as primary side and high-voltage side, mutually do star or triangle connects, that is, three-phase power transformer。
2. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
Described winding-magnetic core module (100) includes 3 to 4 winding assemblies (120), respectively the central axis head and the tail of this winding assembly (120) connect ringwise, and they own the same toroidal core (150) passing around silicon strip together；
Respectively the outer coil (126) of this outer layer winding (122) be serially connected, in parallel or series-parallel connection, be used as high-tension first siding ring；Respectively the inner coil (125) of this internal layer winding (121) be serially connected, in parallel or series-parallel connection, or each output respectively, independently-powered, be used as the second siding ring of low voltage；It is arranged being to obtain good magnetic coupling。
3. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
The both ends of described inside and outside layer porcelain body frame (123,124) have respectively around its outer surface radial projection axially extended, respective prominent stupefied (127,128)；Described internal layer winding (121) is connected in the cavity (132) in outer layer winding (122) by himself prominent stupefied (127);Described each inside and outside layer winding (121,122) respectively through respective porcelain body frame dash forward stupefied (127,128) be fitted and fixed with mutually。
4. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
Also include being placed in described winding-magnetic core module (100) central axis position, for the center spacing body (140) of insulation between each outer layer winding (122), this center spacing body (140) is with its central authorities' cylindrical hole (148) central axis for axis of symmetry, it is evenly distributed with at least two partitions (147), described each partition (147) embed adjacent two be electrically connected to each other, between on high-tension side two outer layer windings (122), to improve electric simulation strength therebetween。
5. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
On the respective inside and outside anchor ring of described inside and outside layer porcelain body frame (123,124), it is equally spaced and is wound around inside and outside layer line circle (125,126), radial projection axially extended inside and outside layer porcelain body frame dividing plate (135,136) for convenient。
6. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
Described insulation supporting device (400) also includes the single-phase column (460) of the one group electrician porcelain material identical with winding assembly (120) quantity and upper and lower two pieces of annular sleepers (470)；
Described annular sleeper (470) is provided with the stationary barrier (477) for single-phase column (460) fix connection identical with winding assembly (120) quantity, and described each winding assembly (120) is embedded between each stationary barrier (477) of upper and lower two pieces of described annulars sleepers (470)；
Described single-phase column (460) is provided with the single-phase column engaging lug (467) for connecting with input, output connection device (180,190)。
7. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
Described insulation supporting device (400) also includes the three-phase column (480) of the one group electrician porcelain material identical with winding assembly (120) quantity and four pieces of annular sleepers (470)；
Described annular sleeper (470) is provided with the stationary barrier (477) for three-phase column (480) fix connection identical with winding assembly (120) quantity；Described four pieces of annular sleepers (470) are respectively equipped with each winding assembly (120) used by a winding-magnetic core module (100) between any two；Described winding assembly (120) is embedded between each stationary barrier (477) of upper and lower two pieces of described annulars sleeper (470)；
Described each three-phase column (480) is provided with three-phase column engaging lug (487) for connecting with input, output connection device (180,190)。
8. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
The connection copper sheet (137) that described each internal layer winding (121) is connected across between internal layer porcelain body frame edge (237) by soldering is electrically connected to each other；The connecting line (138) that described each outer layer winding (122) is connected across between outer layer porcelain body frame edge (238) by securing member is electrically connected to each other。
9. the power transformer passing around silicon strip magnetic core according to claim 1, it is characterised in that:
Described input wires device (180) includes the porcelain vase (184) for high input voltage wire insulation；
Described output connection device (190) includes being positioned at internal layer winding (121) end for link slot (191) that same inner coil (125) connects, use connection copper bar (192) to be electrically connected between link slot (191) and outside output copper bar (196)。
10. winding-magnetic core the module (100) for power transformer, including at least two winding assembly (120)；The inside and outside layer winding (121,122) that each winding assembly (120) is nested together with including common axis；Each inside and outside layer winding (121,122) includes respective inside and outside layer porcelain body frame (123,124) respectively, and is respectively wound around inside and outside layer line circle (125,126) on respective porcelain body frame (123,124), that material is glassfiber insulation copper cash；The transverse section central part cavity (131,132) of described inside and outside layer winding (121,122) is in approximate rectangular, for the accommodating silicon strip passed around and allow described two windings (121,122) intussusception；
Described winding-magnetic core module (100) is positioned on special purpose machine tool ringwise by the axis head and the tail connection of respectively this winding assembly (120), fill in silicon strip from the gap between adjacent two winding assemblies (120) automatically to pass around, until filling up each internal layer winding internal cavity (131) and constituting the magnetic core (150) that respectively this winding assembly (120) is common；Each winding assembly (120) collectively constitutes winding-magnetic core module (100) with the toroidal core (150) passed around by silicon strip；And in the outer surface and all gaps of Qi Nei of this winding-magnetic core module (100), be also coated with securely and be adsorbed with one layer of insulation paint film formed through integrally annealed and vacuum impregnation；
Respectively this inside and outside layer line circle (125,126) electrically connects mutually respectively in the way of series, parallel or series-parallel connection, on the contrary be used as first and second lateral coil or；Described winding-magnetic core module (100) is provided be respectively used to same primary side, secondary side electrical network electrical connection input wires device (180) and output connection device (190)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521090560.7U CN205335042U (en) | 2015-12-24 | 2015-12-24 | Wear power transformer around silicon strip magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521090560.7U CN205335042U (en) | 2015-12-24 | 2015-12-24 | Wear power transformer around silicon strip magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335042U true CN205335042U (en) | 2016-06-22 |
Family
ID=56207758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521090560.7U Withdrawn - After Issue CN205335042U (en) | 2015-12-24 | 2015-12-24 | Wear power transformer around silicon strip magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655108A (en) * | 2015-12-24 | 2016-06-08 | 蒋栖瑞 | Power transformer with magnetic core formed by threading and winding silicon strip and manufacturing method thereof |
| WO2017107129A1 (en) * | 2015-12-24 | 2017-06-29 | 蒋栖瑞 | Power transformer having circularly inserted silicon steel strip as magnetic core, and method of manufacturing same |
-
2015
- 2015-12-24 CN CN201521090560.7U patent/CN205335042U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655108A (en) * | 2015-12-24 | 2016-06-08 | 蒋栖瑞 | Power transformer with magnetic core formed by threading and winding silicon strip and manufacturing method thereof |
| WO2017107129A1 (en) * | 2015-12-24 | 2017-06-29 | 蒋栖瑞 | Power transformer having circularly inserted silicon steel strip as magnetic core, and method of manufacturing same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6792666B1 (en) | Three-phase transformer | |
| KR101707813B1 (en) | Dry type transformer with improved cooling | |
| KR101377384B1 (en) | Stereo-triangular wound core power transformer with voltage class more than or equal to 110kv | |
| KR100740437B1 (en) | Structure of transformer and method for winding coil of transformer | |
| CN105655098B (en) | The manufacture method of transformer and the transformer | |
| CN205335042U (en) | Wear power transformer around silicon strip magnetic core | |
| CN201298427Y (en) | Oil-filled transformer | |
| CN105742032A (en) | Double-voltage coil for photovoltaic transformer and winding method of double-voltage coil | |
| CN105655108B (en) | Pass around power transformer of silicon strip magnetic core and preparation method thereof | |
| US4547721A (en) | Transformer structure | |
| KR101481057B1 (en) | Production method of pole-mounted transformers | |
| CN103515067A (en) | High-frequency and high-power transformer for large adjustable power supply | |
| CN204289035U (en) | Transformer | |
| CN207542046U (en) | A kind of transformation, inductance integrating device | |
| Kurita et al. | Demonstration of loss‐reduction effect of the amorphous cores for larger‐capacity transformers by trial manufacture | |
| CN103247424B (en) | Three-phase stereo fracture type rewinding material | |
| CN203444947U (en) | High-frequency and high-power transformer for large adjustable power source | |
| WO2017107129A1 (en) | Power transformer having circularly inserted silicon steel strip as magnetic core, and method of manufacturing same | |
| CN101060260A (en) | Core winding for generator, motor and transformer | |
| CN210271966U (en) | End plate bonding insulation structure | |
| CN202258703U (en) | Transformer winding structure and transformer | |
| CN101699726A (en) | Method for manufacturing coil winding of magnetic conducting and electric conducting body | |
| CN101350244A (en) | Hatch winding iron core | |
| JP2013229529A (en) | Transformer iron core | |
| CN211265236U (en) | Layered coil structure and power transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20170825 |