CN115863020B - Epoxy resin insulation transformer and application method thereof - Google Patents
Epoxy resin insulation transformer and application method thereof Download PDFInfo
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- CN115863020B CN115863020B CN202310015231.9A CN202310015231A CN115863020B CN 115863020 B CN115863020 B CN 115863020B CN 202310015231 A CN202310015231 A CN 202310015231A CN 115863020 B CN115863020 B CN 115863020B
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Abstract
The invention discloses an epoxy resin insulation transformer and a use method thereof, the epoxy resin insulation transformer comprises a transformer body, wherein the transformer body comprises a transformer box body and a transformer component arranged in the transformer box body, the transformer component comprises an iron core, a first winding, a second winding, a third winding and an auxiliary placement component, a supporting plate is arranged on the bottom of the transformer box body, and a disposal cavity is arranged on the bottom of the supporting plate. The beneficial effects of the invention are as follows: the structure is compact, the service efficiency of the epoxy resin transformer is improved, the ventilation efficiency of the epoxy resin is improved, and the manufacturing cost of the epoxy resin is reduced.
Description
Technical Field
The invention relates to the technical field of transformer manufacturing, in particular to an epoxy resin insulation transformer and a using method thereof.
Background
The epoxy resin transformer takes epoxy resin as insulating material, the high and low voltage windings are wound by copper strips (foils), the epoxy resin is poured in vacuum and solidified to form a high-strength glass fiber reinforced plastic body structure, the insulating grade is F, H, and the epoxy resin transformer has the characteristics of good electrical performance, strong lightning impulse resistance, strong short circuit resistance, small volume, light weight and the like.
However, the existing production method can prepare the epoxy resin transformer, but has a plurality of defects: 1. the outside of current epoxy transformer is airtight cover, and is equipped with the ventilation hole on airtight cover's the lateral wall, although can guarantee that inside transformer original paper ventilates, when outside raise dust gets into, causes the breakdown easily to cause transformer life's reduction. 2. The existing transformer is not easy to connect with an external cable under the condition that the length of the wiring terminal is inconvenient under the action of fixing the wiring terminal.
Based on the above-mentioned technical defects, there is a need for an epoxy resin insulation transformer and a method for using the same.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the epoxy resin insulation transformer and the use method thereof, which have compact structure, improve the use efficiency of the epoxy resin transformer, improve the ventilation efficiency of the epoxy resin and reduce the manufacturing cost of the epoxy resin.
The aim of the invention is achieved by the following technical scheme: the epoxy resin insulation transformer comprises a transformer body, wherein the transformer body comprises a transformer box body and a transformer assembly arranged in the transformer box body, the transformer assembly comprises an iron core, a first winding, a second winding, a third winding and an auxiliary placement assembly, a supporting plate is arranged on the bottom of the transformer box body, and a disposal cavity is arranged on the bottom of the supporting plate;
be equipped with blind hole screw thread one on the lateral wall of transformer box, and be equipped with L shape fixed plate on the blind hole screw thread one, L shape fixed plate includes vertical section one and horizontal section one, and horizontal section one and vertical section one are integrated into one piece setting, all be equipped with through-hole screw thread one on horizontal section one and the vertical section one, the iron core includes upper portion iron core section and lower part iron core section, and upper portion iron core section and lower part iron core section set up as integrated into one piece, winding one, winding two and winding three set up on the iron core respectively, the iron core includes vertical iron core section one, vertical iron core section two and vertical iron core section three, and is equipped with the wiring iron sheet on vertical iron core section one, vertical iron core section two and the vertical iron core section three, and is equipped with binding post on the wiring iron sheet, binding post is cube structure, and be equipped with the wiring through-hole on the lateral wall of binding post, wiring iron sheet is equipped with wiring iron sheet one, wiring iron sheet two and wiring iron sheet three, one on winding two and the winding three respectively with wiring iron sheet two and wiring iron sheet three fixed connection.
In the epoxy resin insulation transformer, the first wiring iron sheet, the second wiring iron sheet and the third wiring iron sheet respectively comprise a first fixing section and a first telescopic section, the first fixing section and the first telescopic section are fixedly connected through adjusting bolts, the insulating section is wrapped outside the wiring terminal, the first vertical connecting sheet and the second vertical connecting sheet are arranged on the wiring terminal, and a cable is fixedly connected to the first vertical connecting sheet and the second vertical connecting sheet.
In the epoxy resin insulation transformer disclosed by the invention, the auxiliary placement component comprises a first transverse fixed iron sheet and a second transverse fixed iron sheet, an insulation support plate I is arranged below the iron core, the insulation support plate I is in tight fit with the support plate, epoxy resin is arranged outside the first winding, the second winding and the third winding, an epoxy resin section I is arranged outside the first vertical iron core section, an epoxy resin section II is arranged between the first vertical iron core section and the second vertical iron core section, an epoxy resin section III is arranged between the second vertical iron core section and the third vertical iron core section, and an epoxy resin section IV is arranged outside the third vertical iron core section.
In the epoxy resin insulation transformer, two ends of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with the fifth transverse epoxy resin section and the sixth transverse epoxy resin section, the tops of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with upward flowing openings, the flowing openings are provided with end covers which can be detachably fixed, the iron cores are arranged on the first transverse fixed iron sheet and the second transverse fixed iron sheet through fastening components, and the two side walls of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with breakdown preventing protrusions which are uniformly distributed.
In the epoxy resin insulation transformer disclosed by the invention, the side wall of the transformer box body is provided with the protection mechanism, the protection mechanism comprises a square vent hole, one side wall of the square vent hole is provided with the arc protection member, the other side surface of the square vent hole is provided with the detachable protection net, the detachable protection net is fixed on the side wall of the transformer box body through bolts, the arc protection mechanism comprises a first inclined section and a second inclined section, the length of the first inclined section is greater than that of the second inclined section, the joint of the first inclined section and the second inclined section is in arc arrangement, the second inclined section is provided with the inclined through hole, the inner side walls of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with the puncture-proof protrusions, and the inner parts of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with the combined partition plate.
In the epoxy resin insulation transformer, the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section respectively comprise a first long side section and a second long side section, vertical blind holes are formed in the first long side section and the second long side section, first internal threads are formed in the end parts of the vertical blind holes, sealing plugs are arranged on the first internal threads and are in threaded connection fit with the first internal threads, first upper breakdown preventing protrusions and second lower breakdown preventing protrusions are formed in the first epoxy resin section and the fourth epoxy resin section respectively, breakdown preventing auxiliary plates are arranged between the two adjacent breakdown preventing protrusions, the combined partition plates are formed by splicing, first insulation sections and second insulation sections are arranged on the combined partition plates, the first insulation sections are epoxy resin sections, the second insulation sections are wood processing sections, and the first insulation sections and the second insulation sections are arranged at intervals.
In the epoxy resin insulation transformer, the first upper anti-breakdown protrusions and the second lower anti-breakdown protrusions are arranged at two ends of the first epoxy resin section and the fourth epoxy resin section, the first upper anti-breakdown protrusions and the second lower anti-breakdown protrusions are arranged oppositely, arc grooves are formed in the first upper anti-breakdown protrusions and the second lower anti-breakdown protrusions, an adsorption component is arranged in the arc grooves, the adsorption component is a sponge component, a folding door is arranged on the side wall of the disposal cavity, the lower iron core section comprises a transverse iron core, the first insulation support plate is in tight fit with the support plate, the first insulation support plate is provided with a first conical protrusion section, a first straight line section and a second straight line section, the first conical protrusion section is arranged between the first straight line section and the second straight line section, and the top of the first conical protrusion section is in mutual fit with the transverse iron core.
In the epoxy resin insulation transformer, the first straight line section and the second straight line section are respectively provided with a blind hole thread II and a rectangular through hole, the number of the blind hole threads II is at least 30, the blind hole threads II and the rectangular through holes are arranged intermittently, and the first transverse fixed iron sheet and the second transverse fixed iron sheet are communicated with two side walls of a transformer box body through bolts.
In the epoxy resin insulation transformer, square through holes are arranged on the supporting plate, the square through holes are mutually matched with the rectangular through holes and are communicated, a filtering cavity is arranged in the disposal cavity, the bottom of the filtering cavity is of a conical structure, at least 9 conical structures are arranged on the bottom of the filtering cavity, inverted V-shaped filter plates are arranged in the conical structures, filter holes are formed in two ends of each inverted V-shaped filter plate, a filter table is arranged at the end part of each conical structure, and inclined through holes are formed in the filter table.
The application method of the epoxy resin insulation transformer comprises the following steps:
s11, firstly, winding the corresponding first winding, the corresponding second winding and the corresponding third winding to the iron core, and fixing the upper part of the iron core; the wiring iron sheet is respectively connected with the first winding, the second winding and the third winding, so that the wiring terminal is connected with an external cable;
s12, simultaneously, the transformer box body can be fixed through bolts, when the transformer box is used, impurities in the air can be filtered under the action of the detachable protective net when ventilation is performed on the side wall due to the internal epoxy resin;
s13, insulating backup pad one, backup pad and under the effect of handling cavity three in the iron core bottom for can filter impurity or local moisture in the iron core and deposit to filtering the cavity, and the adsorption plate that handles cavity bottom setting makes can also carry out convenient change when carrying out absorbing moisture.
The invention has the following advantages:
1. the transformer body comprises a transformer box body and a transformer assembly arranged in the transformer box body, wherein the transformer assembly comprises an iron core, a first winding, a second winding, a third winding and an auxiliary placement assembly, a supporting plate is arranged on the bottom of the transformer box body, a disposal cavity is arranged on the bottom of the supporting plate, the disposal cavity is arranged below the iron core, blind hole threads I are arranged on the side wall of the transformer box body, an L-shaped fixing plate is arranged on the blind hole threads I, the L-shaped fixing plate comprises a first vertical section and a first transverse section, the first transverse section and the first vertical section are integrally formed, through hole threads I are arranged on the first transverse section and the first vertical section, the transformer box body can be stably fixed, the iron core comprises an upper iron core section and a lower iron core section, the upper iron core section and the lower iron core section are integrally formed, the first winding, the second winding and the third winding are respectively arranged on the iron core, an iron sheet is arranged on the first vertical iron core section, a second vertical iron core section and the third vertical iron core section, a wiring terminal is arranged on the iron sheet, the first winding and the second winding and the third winding are integrally formed, and the first wiring terminal and the third wiring terminal are respectively connected.
2. The first wiring iron sheet, the second wiring iron sheet and the third wiring iron sheet comprise a first fixing section and a first telescopic section, the first fixing section and the first telescopic section are fixedly connected through adjusting bolts, so that the first fixing section and the first telescopic section can be adjusted according to requirements, the connection with an external cable is facilitated, an insulating section is wrapped outside the wiring terminal, the first vertical connecting sheet and the second vertical connecting sheet are arranged on the wiring terminal, the cable is fixedly connected to the first vertical connecting sheet and the second vertical connecting sheet, the auxiliary placement component comprises a first transverse fixing iron sheet and a second transverse fixing iron sheet, an insulating support plate is arranged below the iron core, the first insulating support plate is tightly matched with the support plate, impurities or partial water of details in the use process inside the iron core is guaranteed to be discharged, epoxy resin is arranged outside the first winding, the second winding and the third winding, the epoxy resin section is arranged outside the first vertical iron core section, the second epoxy resin section is arranged between the first vertical iron core section and the second vertical iron core section, the epoxy resin section is arranged outside the third vertical iron core section, the fourth epoxy resin section is arranged outside the third vertical iron core section, and a plurality of different epoxy resin wraps the air holes are guaranteed to enable dust to enter the air vent under the safety condition.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a first insulating support plate according to the present invention;
FIG. 3 is a schematic diagram of the side wall of the transformer tank according to the present invention;
FIG. 4 is a schematic view of a structure of a support plate according to the present invention;
FIG. 5 is a schematic view of a removably secured end cap according to the present invention;
FIG. 6 is a schematic view showing the structure of the folding door according to the present invention;
FIG. 7 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 8 is an enlarged partial schematic view at B in FIG. 1;
FIG. 9 is a schematic cross-sectional view at C-C of FIG. 3;
FIG. 10 is a schematic cross-sectional view at D-D of FIG. 1;
FIG. 11 is an enlarged partial schematic view of FIG. 1 at E;
fig. 12 is a partially enlarged schematic view of fig. 10 at F.
In the drawing, a transformer body 1, a transformer case 2, a winding one 3, a winding two 4, a winding three 5, a supporting plate 6, a disposal cavity 7, a blind hole thread one 8, an L-shaped fixing plate 9, a vertical section one 10, a horizontal section one 11, a vertical core section one 12, a vertical core section two 13, a vertical core section three 14, a wiring iron sheet 15, a wiring terminal 16, a wiring through hole 17, a fixing section one 18, a telescopic section one 19, a vertical tab one 20, a vertical tab two 21, a horizontal fixing iron sheet one 22, an insulating supporting plate one 23, an epoxy section one 24, an epoxy section two 25, an epoxy section three 26, an epoxy section four 27, an end cover 28, a puncture preventing protrusion 29, a square vent hole 30, an arc-shaped protection member 31, a detachable protection net 32, an inclined section one 33, an inclined section two 34, an inclined through hole 35, a puncture preventing protrusion two 36, a combined partition 37, a vertical blind hole 38, an upper puncture preventing protrusion 39, a lower puncture preventing protrusion 40, a puncture preventing auxiliary plate 41, a door 42, a conical protrusion one 43, a straight line section one 44, a straight line section two rectangular blind hole 45, a straight line section 46, a filter plate 46, a filtering cavity V-shaped through hole 52, a filtering cavity 50, a filtering cavity V-shaped through hole 52, a filtering cavity shaped through hole 52.
Detailed Description
The invention is further described below with reference to the accompanying drawings, the scope of the invention not being limited to the following:
as shown in fig. 1-12, an epoxy resin insulation transformer comprises a transformer body 1, wherein the transformer body 1 comprises a transformer box body 2 and a transformer component arranged in the transformer box body 2, the transformer component comprises an iron core, a first winding 3, a second winding 4, a third winding 5 and an auxiliary placement component, a supporting plate 6 is arranged at the bottom of the transformer box body 2, and a disposal cavity 7 is arranged at the bottom of the supporting plate 6;
be equipped with blind hole screw thread one 8 on the lateral wall of transformer box 2, and be equipped with L shape fixed plate 9 on the blind hole screw thread one 8, L shape fixed plate 9 includes vertical section one 10 and horizontal section one 11, and be equipped with wire connection iron sheet 15 on horizontal section one 11 and the vertical section one 10 as integrated into one piece setting, all be equipped with through-hole screw thread one on horizontal section one 11 and the vertical section one 10, make can carry out stable fixed with transformer body 1, the iron core includes upper portion iron core section and lower part iron core section, and upper portion iron core section and lower part iron core section set up as integrated into one piece, winding one 3, winding two 4 and winding three 5 set up on the iron core respectively, the iron core includes vertical iron core section one 12, vertical iron core section two 13 and vertical iron core section three 14, and be equipped with wire connection iron sheet 15 on vertical iron core section one 12, vertical iron core section two 13 and the vertical iron core section three 14, and be equipped with binding post 16 on the wire connection iron sheet 15, wire connection iron sheet 16 is cube structure, and be equipped with wire connection iron sheet 17 on the lateral wall of binding post 16, make and cable connect the cooperation under the effect of bolt, wire connection iron sheet is equipped with wire connection iron sheet one end, wire connection iron sheet and three, winding one end is connected with two and three winding iron sheets are fixed with one end respectively.
The first wiring iron sheet, the second wiring iron sheet and the third wiring iron sheet comprise a first fixed section 18 and a first telescopic section 19, so that adjustment can be performed, selection can be performed according to actual needs, the first fixed section 18 and the first telescopic section 19 are fixedly connected through adjusting bolts, the insulating section is wrapped outside the wiring terminal 16, the first vertical connecting sheet 20 and the second vertical connecting sheet 21 are arranged on the wiring terminal 16, and a connecting cable is fixedly connected to the first vertical connecting sheet 20 and the second vertical connecting sheet 21.
The auxiliary placement assembly comprises a first transverse fixed iron sheet 22 and a second transverse fixed iron sheet, an insulating support plate 23 is arranged below the iron core, the first insulating support plate 23 is in tight fit with the support plate 6, stable placement of the iron core is guaranteed, epoxy resin is arranged outside the first winding 3, the second winding 4 and the third winding 5, an epoxy resin section 24 is arranged outside the first vertical iron core section 12, an epoxy resin section two 25 is arranged between the first vertical iron core section 12 and the second vertical iron core section 13, an epoxy resin section three 26 is arranged between the second vertical iron core section 13 and the third vertical iron core section 14, and an epoxy resin section four 27 is arranged outside the third vertical iron core section 14, so that an insulating part is formed on the outer side surface of the iron core.
The two ends of the first epoxy resin section 24, the second epoxy resin section 25, the third epoxy resin section 26 and the fourth epoxy resin section 27 are provided with a fifth transverse epoxy resin section (not shown) and a sixth transverse epoxy resin section (not shown), the tops of the first epoxy resin section 24, the second epoxy resin section 25, the third epoxy resin section 26 and the fourth epoxy resin section 27 are provided with upward flowing openings, and the positions of the flowing openings are provided with end covers 28 which can be detached and fixed, so that free detachment and placement can be performed, the iron core is arranged on the first transverse fixed iron sheet 22 and the second transverse fixed iron sheet through fastening components, and the two side walls of the first epoxy resin section 24, the second epoxy resin section 25, the third epoxy resin section 26 and the fourth epoxy resin section 27 are provided with breakdown preventing protrusions 29 which are distributed equally, so that the thickness can be increased partially and the flying dust can be prevented from falling onto the middle breakdown preventing protrusions 29 in the vertical direction, and the conduction of the side walls of the epoxy resin can be prevented from being broken down.
Be equipped with protection machanism on the lateral wall of transformer box 2, protection machanism includes square ventilation hole 30, be equipped with arc protection component 31 on the lateral wall of square ventilation hole 30, be equipped with on the another side and dismantle protection network 32, it is fixed on the lateral wall of transformer box 2 that can dismantle protection network 32 passes through the bolt, arc protection machanism includes incline section one 33 and incline section two 34, the length of incline section one 33 is greater than the length of incline section two 34, and incline section one 33 and incline section two 34's junction is the arc setting, be equipped with slope through-hole 35 on incline section two 34, be equipped with on the inside wall of epoxy section one 24, epoxy section two 25, epoxy section three 26 and epoxy section four 27 and prevent puncturing protruding two 36, epoxy section one 24, epoxy section two 25, epoxy section three 26 and epoxy section four 27's inside is equipped with composite baffle 37.
The first epoxy resin section 24, the second epoxy resin section 25, the third epoxy resin section 26 and the fourth epoxy resin section 27 comprise a first long side section and a second long side section, vertical blind holes 38 are formed in the first long side section and the second long side section, internal threads first are formed in the end portions of the vertical blind holes 38, sealing plugs are arranged on the first internal threads, the vertical blind holes 38 are matched with the sealing plugs, flying dust can be prevented from entering the cavity, the whole epoxy resin is prevented from being broken down, the sealing plugs are matched with the first internal threads in a threaded mode, the first epoxy resin section 24 and the fourth epoxy resin section 27 are respectively provided with an upper breakdown preventing protrusion 39 and a lower breakdown preventing protrusion 40, a breakdown preventing auxiliary plate 41 is arranged between the adjacent two breakdown preventing protrusions, two side wall plates are directly blocked by the arrangement of the breakdown preventing auxiliary plate 41, the end cover 28 is matched with the top of the epoxy resin, the service life of the epoxy resin can be prolonged, the first insulating section and the second insulating section are formed by splicing the combined partition 37, the first insulating section is a wood section and the second insulating section is a wood section, and the second insulating section is an insulating section is arranged between the first insulating section and the second insulating section.
The upper anti-breakdown protrusion 39 and the lower anti-breakdown protrusion 40 are positioned at two ends of the first epoxy resin section 24 and the fourth epoxy resin section 27, the first upper anti-breakdown protrusion 39 and the second lower anti-breakdown protrusion 40 are arranged oppositely, the first upper anti-breakdown protrusion 39 and the second lower anti-breakdown protrusion 40 are respectively provided with an arc-shaped groove 41, an adsorption part is arranged in the arc-shaped groove 41, the adsorption part is a sponge part, local or external slight dust can be adsorbed, a folding door 42 is arranged on the side wall of the disposal cavity 7, the lower iron core section comprises a transverse iron core, the first insulating support plate 23 is tightly matched with the support plate 6, the first insulating support plate 23 is provided with a first conical protrusion section 43, a first linear section 44 and a second linear section 45, the first conical protrusion section 43 is positioned between the first linear section 44 and the second linear section 45, and the top of the first conical protrusion section 43 is matched with the transverse iron core.
The first straight line segment 44 and the second straight line segment 45 are respectively provided with a second blind hole thread 46 and a rectangular through hole 47, the second blind hole thread 46 is at least provided with 30 blind holes, the second blind hole thread 46 and the rectangular through holes 47 are arranged intermittently, the arrangement of the second blind hole thread 46 enables the lower portion of the iron core to be fixed according to requirements, and the first transverse fixing iron sheet 22 and the second transverse fixing iron sheet are communicated with two side walls of the transformer box body 2 through bolts, so that the connection stability of the iron core is guaranteed.
The backup pad 6 is equipped with square through-hole 48, and square through-hole 48 and rectangle through-hole 47 mutually support, and for communicating, the inside of handling cavity 7 is equipped with the filtration cavity 49, and for dismantling, be the toper structure on the bottom of filtration cavity 49, and be equipped with 9 toper structures at least, establish the V font filter plate 50 on every toper structure's the inside, mutually support between the two of V font filter plate 50 and filtration cavity 49, make can prevent that the vapor of bottom from entering to the inside of iron core, can filter the deposit with the slight impurity of iron core department simultaneously, be equipped with filtration pore 51 on the both ends of V font filter plate 50, be equipped with filtering bench 52 on the tip of toper structure, be equipped with the slope through-hole on the filtering bench 52.
The application method of the epoxy resin insulation transformer comprises the following steps:
s11, firstly, winding the corresponding first winding 3, the corresponding second winding 4 and the corresponding third winding 5 to an iron core, and fixing the upper part of the iron core; the wiring iron sheet is respectively connected with the first winding 3, the second winding 4 and the third winding 5, so that the wiring terminal 16 is connected with an external cable;
s12, simultaneously, the transformer box body 2 can be fixed through bolts, when the transformer box is used, impurities in the air can be filtered under the action of the detachable protective net 32 when ventilation is performed on the side wall due to the internal epoxy resin;
s13, insulating backup pad one, backup pad and under the effect of handling cavity three in the iron core bottom for can filter impurity or local moisture in the iron core and deposit to filtering cavity 49, and handle the adsorption plate that cavity 7 bottom set up and make can also carry out convenient change when carrying out absorbing with moisture.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An epoxy resin insulation transformer, characterized in that: the transformer comprises a transformer body, wherein the transformer body comprises a transformer box body and a transformer assembly arranged in the transformer box body, the transformer assembly comprises an iron core, a first winding, a second winding, a third winding and an auxiliary placement assembly, a supporting plate is arranged at the bottom of the transformer box body, and a disposal cavity is arranged at the bottom of the supporting plate;
the transformer comprises a transformer body, and is characterized in that a blind hole thread I is arranged on the side wall of the transformer body, an L-shaped fixing plate is arranged on the blind hole thread I, the L-shaped fixing plate comprises a vertical section I and a horizontal section I, the horizontal section I and the vertical section I are integrally formed, through hole threads I are arranged on the lateral wall of the horizontal section I and the vertical section I, the iron core comprises an upper iron core section and a lower iron core section, the upper iron core section and the lower iron core section are integrally formed, a winding I, a winding II and a winding III are respectively arranged on the iron core, the iron core comprises a vertical iron core section I, a vertical iron core section II and a vertical iron core section III, a wiring iron sheet is arranged on the vertical iron core section I, the vertical iron core section II and the vertical iron core section III, a wiring iron sheet is provided with a wiring terminal, the wiring iron sheet II and the wiring iron sheet III are integrally formed on the side wall of the wiring terminal, and one ends of the winding I, the winding II and the winding III are fixedly connected with the wiring iron sheet I, the wiring iron sheet II and the wiring iron sheet III respectively;
the first wiring iron sheet, the second wiring iron sheet and the third wiring iron sheet comprise a first fixed section and a first telescopic section, the first fixed section and the first telescopic section are fixedly connected through an adjusting bolt, the outside of the wiring terminal wraps the insulating section, the wiring terminal is provided with a first vertical connecting sheet and a second vertical connecting sheet, and the first vertical connecting sheet and the second vertical connecting sheet are fixedly connected with a cable;
the auxiliary placement assembly comprises a first transverse fixed iron sheet and a second transverse fixed iron sheet, an insulating support plate I is arranged below the iron core, the insulating support plate I is in close fit with the support plate, epoxy resin is arranged outside the first winding, the second winding and the third winding, an epoxy resin section I is arranged outside the first vertical iron core section, an epoxy resin section II is arranged between the first vertical iron core section and the second vertical iron core section, an epoxy resin section III is arranged between the second vertical iron core section and the third vertical iron core section, and an epoxy resin section IV is arranged outside the third vertical iron core section;
the two ends of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with a fifth transverse epoxy resin section and a sixth transverse epoxy resin section, the tops of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with upward flowing openings, the positions of the flowing openings are provided with end covers which can be detached and fixed, the iron core is arranged on the first transverse fixed iron sheet and the second transverse fixed iron sheet through fastening components, and the two side walls of the first epoxy resin section, the second epoxy resin section, the third epoxy resin section and the fourth epoxy resin section are provided with equally distributed anti-breakdown protrusions.
2. An epoxy insulating transformer according to claim 1, wherein: be equipped with protection machanism on the lateral wall of transformer box, protection machanism includes square ventilation hole, be equipped with arc protection component on the lateral wall in square ventilation hole, be equipped with on the another side and dismantle the protection network, it passes through the bolt fastening on the lateral wall of transformer box to dismantle the protection network, arc protection component includes slope section one and slope section two, the length of slope section one is greater than the length of slope section two, and the junction of slope section one and slope section two is the arc setting, be equipped with the slope through-hole on the slope section two, be equipped with on the inside wall of epoxy section one, epoxy section two, epoxy section three and epoxy section four prevent puncturing protruding two, the inside of epoxy section one, epoxy section two, epoxy section three and epoxy section four is equipped with the combination baffle.
3. An epoxy insulating transformer according to claim 2, wherein: the novel plastic composite insulation board comprises an epoxy resin section I, an epoxy resin section II, an epoxy resin section III and an epoxy resin section IV, wherein the epoxy resin section I, the epoxy resin section II, the epoxy resin section III and the epoxy resin section IV all comprise a long side section I and a long side section II, vertical blind holes are formed in the long side section I and the long side section II, internal threads I are formed in the end parts of the vertical blind holes, sealing plugs are arranged on the internal threads I and are in threaded connection with the internal threads I, an upper anti-breakdown protrusion I and a lower anti-breakdown protrusion II are arranged on the epoxy resin section I and the epoxy resin section IV respectively, anti-breakdown auxiliary plates are arranged between the adjacent anti-breakdown protrusions, the composite partition board is formed by splicing, an insulation section I and an insulation section II are arranged on the composite partition board, the insulation section I is an epoxy resin section I, the insulation section II is a wood processing section, and the insulation section I and the insulation section II are arranged at intervals.
4. An epoxy resin insulation transformer according to claim 3, wherein: the utility model discloses a high-voltage transformer, including insulating support board, upper portion anti-puncture protruding first and lower part anti-puncture protruding two are located epoxy section one and epoxy section four's both ends, and upper portion anti-puncture protruding first and lower part anti-puncture protruding second are opposite direction setting, all be equipped with the arc wall on upper portion anti-puncture protruding first and the lower part anti-puncture protruding second, the inside of arc wall is equipped with adsorption component, and adsorption component is sponge part, be equipped with folding door on the lateral wall of handling the cavity, lower part iron core section includes horizontal iron core, and is close fit between insulating support board and the backup pad, be equipped with toper protruding section one on the insulating support board, straightway section one and straightway section two, and toper protruding section one is located between straightway section one and the straightway two, be mutually supporting between toper protruding section one's top and the horizontal iron core.
5. An epoxy resin insulation transformer according to claim 4, wherein: the first straight line segment and the second straight line segment are respectively provided with a second blind hole thread and a rectangular through hole, the second blind hole threads are at least 30, the second blind hole threads and the rectangular through holes are arranged intermittently, and the first transverse fixed iron sheet and the second transverse fixed iron sheet are communicated with two side walls of the transformer box body through bolts.
6. An epoxy resin insulation transformer according to claim 5, wherein: the utility model discloses a filter plate, including the backup pad, the backup pad is equipped with square through-hole, and square through-hole and rectangle through-hole mutually support, and for communicating, the inside of handling the cavity is equipped with the filtration cavity, be the toper structure on the bottom of filtration cavity, and be equipped with 9 toper structures at least, establish the V font filter plate of falling on every toper structure's the inside, be equipped with the filtration pore on the both ends of V font filter plate of falling, be equipped with the filter bench on the tip of toper structure, be equipped with the slope through-hole on the filter bench.
7. The method of using an epoxy resin insulation transformer according to claim 6, wherein: the method comprises the following steps:
s11, firstly, winding the corresponding first winding, the corresponding second winding and the corresponding third winding to the iron core, and fixing the upper part of the iron core; the wiring iron sheet is respectively connected with the first winding, the second winding and the third winding, so that the wiring terminal is connected with an external cable;
s12, fixing the transformer box body through bolts, wherein when the transformer box body is used, impurities in the air can be filtered under the action of the detachable protective net when ventilation is performed on the side wall due to the internal epoxy resin;
s13, insulating backup pad one, backup pad and under the effect of handling cavity three in the iron core bottom for can filter impurity or local moisture in the iron core and deposit to filtering the cavity, and the adsorption plate that handles cavity bottom setting makes can also carry out convenient change when carrying out absorbing moisture.
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| CN202310015231.9A CN115863020B (en) | 2023-01-05 | 2023-01-05 | Epoxy resin insulation transformer and application method thereof |
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| JPH0624965Y2 (en) * | 1988-08-29 | 1994-06-29 | トヨタ自動車株式会社 | Terminal mounting structure |
| JP2827810B2 (en) * | 1993-05-10 | 1998-11-25 | 三菱電機株式会社 | High frequency transformer equipment |
| CN106486273B (en) * | 2016-12-12 | 2018-03-30 | 新昌县羽林街道立锋轴承厂 | A kind of seal transformer coil winding apparatus |
| CN209216726U (en) * | 2018-12-12 | 2019-08-06 | 宁波仁栋电气有限公司 | A kind of efficiency level-one distribution transformer |
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