CN209297869U - A kind of efficiency level-one amorphous alloy iron core distribution transformer - Google Patents

Abstract

The utility model discloses a kind of efficiency level-one amorphous alloy iron core distribution transformers, including oil level indicator, cabinet, coiling group, five column winder of groove profile iron plate and four frames, the top of the box is fixedly installed with bushing and low-tension bushing, bushing and low-tension bushing are provided with several, top of the box is fixedly installed with oil level indicator, oil level indicator is connected to box house, insulating radiation oil is saturated in cabinet, four frames, five column winder is provided in cabinet, four frames, five column winder is stacked in left-right direction by five iron core frames, the two sides of iron core frame are set as iron core column, coiling group is provided in the iron core column of each iron core frame junction and the iron core frame positioned at four frames, five column winder two sides, the horizontal cross-section of coiling group is rectangle, coiling group two sides are provided with groove profile iron plate, groove profile iron plate holds coiling group, the bottom of box is fixed Installation leg is installed, there are two installation leg and is symmetrical arranged, and runs through in installation leg and offers threaded hole.

Description

A kind of efficiency level-one amorphous alloy iron core distribution transformer

Technical field

The utility model relates to a kind of transformer, specifically a kind of efficiency level-one amorphous alloy iron core distribution transformer.

Background technique

Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary Grade coil and iron core, major function have: voltage transformation, current transformation, impedance transformation, isolation, pressure stabilizing etc. can be divided by purposes Are as follows: (electric furnace becomes, rectifies change, power frequency testing transformer, pressure regulator, mining change, audio transformation for power transformer and special transformer Device, intermediate-frequency transformer, high frequency transformer, impact transformer, instrument transformer, electronic transformer, reactor, mutual inductor etc.), it is existing There is distribution transformer in design, many transformers often without using grounding type structure, lead to winding short circuit, electric leakage or overload When will cause serious electric power accident, the iron core of transformer is easy to break in assembly, the no-load power consumption and load function of transformer Consumption is higher, and efficiency level is too low.

Utility model content

It is above-mentioned to solve the purpose of this utility model is to provide a kind of efficiency level-one amorphous alloy iron core distribution transformer The problem of being proposed in background technique.

To achieve the above object, the utility model provides the following technical solutions:

A kind of efficiency level-one amorphous alloy iron core distribution transformer, including oil level indicator, cabinet, coiling group, groove profile iron plate and Four frames, five column winder, the top of the box are fixedly installed with bushing and low-tension bushing, and bushing and low-tension bushing are equal Several are provided with, top of the box is fixedly installed with oil level indicator, and oil level indicator is connected to box house, and insulating radiation is saturated in cabinet Oil is provided with four frames, five column winder in cabinet, and four frames, five column winder is stacked in left-right direction by five iron core frames, iron Core frame is rolled by amorphous alloy strips, and iron yoke is set as at the top and bottom of iron core frame, and the two sides of iron core frame are set as iron Coiling is provided in the iron core column of stem, each iron core frame junction and the iron core frame positioned at four frames, five column winder two sides Group, the coiling group include low pressure coiling group and high-tension winding group, and low pressure coiling group is wrapped in iron core column, and high-tension winding group twines It is wound in low pressure coiling group, the horizontal cross-section of the coiling group is rectangle, and coiling group uses Dyn11 mode, i.e. high-voltage winding is adopted With delta connection, low pressure winding uses star-like line connection, and the iron yoke of each independent iron core frame has intersection iron yoke and connects Seam, each about 3~6 millimeters of intersection iron yoke seam air gap, coiling group two sides are provided with groove profile iron plate, and groove profile iron plate holds Coiling group, the bottom of box are fixedly installed with installation leg, and there are two installation leg and is symmetrical arranged, and runs through in installation leg and offers Threaded hole, and screw thread is equipped with threaded rod, the top of the box is fixedly installed with platform sling.

It is dissipated as a further solution of the present invention: the front and rear surfaces of the cabinet and two sides are fixedly installed with ripple Hot device, corrugation radiator are spliced by several corrugate fins.

The case lid and cabinet of the top of the box are a welding fabrication as a further solution of the present invention, All-sealed structure.

The low pressure coiling group is by the first low pressure coiling group and the second low pressure as a further solution of the present invention, Coiling group composition, the second low pressure coiling group are wrapped in the first low pressure coiling group.

The high-tension winding group includes the first high-tension winding group around second as a further solution of the present invention, High-tension winding group composition, and the second high-tension winding group is wrapped in the first high-tension winding group.

Compared with prior art, the utility model has the beneficial effects that by using threaded rod and installation leg, convenient for that will become Depressor is installed and is grounded, and is prevented inside transformer winding short circuit or overload electric leakage, is caused the transformer to cause electric power accident, pass through Design intersects iron yoke seam, can prevent the fragmentation of transformer lamination in assembly, by using groove profile iron plate in winding two sides Winding is hold, enhancing transformer bears the ability of short circuit, by designing and using four frame five column iron core structures, core material Close material using amorphous, low pressure winding uses copper foil windings, so as to be effectively reduced loss when the transformer low no-load and Load loss, so that its drain performance be made to can satisfy the efficiency Primary plateaus requirement of Energy efficiency evaluation value.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of efficiency level-one amorphous alloy iron core distribution transformer.

Fig. 2 is the overhead sectional view of iron core frame in efficiency level-one amorphous alloy iron core distribution transformer.

Fig. 3 is the enlarged drawing of coiling group in efficiency level-one amorphous alloy iron core distribution transformer.

Fig. 4 is the front view in efficiency level-one amorphous alloy iron core distribution transformer.

In figure: intersecting iron yoke seam 1, corrugation radiator 2, oil level indicator 3, bushing 4, low-tension bushing 5, platform sling 6, cabinet 7, iron core column 8, coiling group 9, groove profile iron plate 10, corrugate fin 11, installation leg 12, threaded rod 13, the first low pressure coiling group 14, Second low pressure coiling group 15, the first high-tension winding group 16, the second high-tension winding group 17, low pressure coiling group 18, high-tension winding group 19, Iron yoke 20, four frames, five column winder 21 and iron core frame 22.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~4, in the utility model embodiment, a kind of efficiency level-one amorphous alloy iron core distribution transformer, packet Include intersect iron yoke seam 1, corrugation radiator 2, oil level indicator 3, bushing 4, low-tension bushing 5, platform sling 6, cabinet 7, iron core column 8, Coiling group 9, groove profile iron plate 10, corrugate fin 11, installation leg 12, threaded rod 13, the first low pressure coiling group 14, the second low pressure around Line group 15, the first high-tension winding group 16, the second high-tension winding group 17, low pressure coiling group 18, high-tension winding group 19, iron yoke 20, four Five column winder 21 of frame and iron core frame 22 are fixedly installed with bushing 4 and low-tension bushing 5, high pressing sleeve at the top of the cabinet 7 Pipe 4 and low-tension bushing 5 are provided with several, and oil level indicator 3 is fixedly installed at the top of cabinet 7, is connected inside oil level indicator 3 and cabinet 7 It is logical, it is saturated with insulating radiation oil in cabinet 7, is provided with four frames, five column winder 21 in cabinet 7, four frames, five column winder 21 is by five Iron core frame 22 stacks in left-right direction, and iron core frame 22 is rolled by amorphous alloy strips, the top and bottom of iron core frame 22 Portion is set as iron yoke 20, and the two sides of iron core frame 22 are set as iron core column 8, each 22 junction of iron core frame and be located at four frames, five column around Coiling group 9 is provided in the iron core column 8 of the iron core frame 22 of 21 two sides of line device, the coiling group 9 includes 18 He of low pressure coiling group High-tension winding group 19, low pressure coiling group 18 are wrapped in iron core column 8, and high-tension winding group 19 is wrapped in low pressure coiling group 18, institute The horizontal cross-section for stating coiling group 9 is rectangle, and coiling group 9 uses Dyn11 mode, i.e. high-tension winding group 19 uses delta connection Method, low pressure coiling group 18 use star-like line connection, and the voltage vector of low pressure coiling group 18, which is displaced, falls behind 19 voltage of high-tension winding group 30 degree of vector potential, the iron yoke 20 of each independent iron core frame 22 is with intersection iron yoke seam 1, each 1 gas of intersection iron yoke seam About 3~6 millimeters of gap, 9 two sides of coiling group are provided with groove profile iron plate 10, and groove profile iron plate 10 holds coiling group 9, the case 7 bottom of body is fixedly installed with installation leg 12, and there are two installation leg 12 and is symmetrical arranged, and runs through in installation leg 12 and offers screw thread Hole, and screw thread is equipped with threaded rod 13, and platform sling 6, the front and rear surfaces and two of the cabinet 7 are fixedly installed at the top of the cabinet 7 Side is fixedly installed with corrugation radiator 2, and corrugation radiator 2 is spliced by several corrugate fins 11, and the cabinet 7 pushes up The case lid and cabinet 7 in portion are the all-sealed structure of a welding fabrication, and the low pressure coiling group 18 is by the first low pressure coiling group 14 It is formed with the second low pressure coiling group 15, the second low pressure coiling group 15 is wrapped in the first low pressure coiling group 14, the high-tension winding Group 19 includes that the first high-tension winding group 16 is formed around the second high-tension winding group 17, and the second high-tension winding group 17 is wrapped in first In high-tension winding group 16, when closing iron core distribution transformer using the amorphous of the efficiency level-one, by using threaded rod 13 and installation Leg 12 prevents inside transformer winding short circuit or overload electric leakage, the transformer is caused to cause convenient for installing and being grounded transformer Electric power accident intersects iron yoke seam 1 by design, the fragmentation of transformer lamination in assembly can be prevented, by winding two Side holds winding using groove profile iron plate 10, and enhancing transformer bears the ability of short circuit, by designing and using four frame pentastyles Core structure, core material close material using amorphous, and low pressure winding uses copper foil windings, so as to which the transformer is effectively reduced Loss and load loss when low no-load, so that the efficiency Primary plateaus for making its drain performance can satisfy Energy efficiency evaluation value is wanted It asks, corrugate fin 11 is designed by the surrounding in cabinet 7, the transformer is made to pass through corrugate fin 11 in four direction It radiates, keeps the heat dissipation effect of the transformer more preferable, to promote the working performance of the transformer, cabinet 7 and case lid weldering are The all-sealed structure of one, prolongs the service life, freedom from repairs.

The working principle of the utility model is: when the amorphous using the efficiency level-one closes iron core distribution transformer, by making Inside transformer winding short circuit or overload electric leakage are prevented convenient for installing and being grounded transformer with threaded rod 13 and installation leg 12, Cause the transformer to cause electric power accident, by design intersect iron yoke seam 1, can prevent transformer assembly when lamination it is broken It splits, by hold winding using groove profile iron plate 10 in winding two sides, enhancing transformer bears the ability of short circuit, by designing simultaneously Using four frame five column iron core structures, core material closes material using amorphous, and low pressure winding uses copper foil windings, so as to have Loss and load loss when effect reduces the transformer low no-load, so that its drain performance be made to can satisfy the energy of Energy efficiency evaluation value Primary plateaus requirement is imitated, corrugate fin 11 is designed by the surrounding in cabinet 7, pass through the transformer can in four direction Corrugate fin 11 radiates, and keeps the heat dissipation effect of the transformer more preferable, to promote the working performance of the transformer.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (5)

1. a kind of efficiency level-one amorphous alloy iron core distribution transformer, including oil level indicator (3), cabinet (7), coiling group (9), groove profile Five column winder (21) of iron plate (10) and four frames, which is characterized in that be fixedly installed with bushing (4) at the top of the cabinet (7) With low-tension bushing (5), bushing (4) and low-tension bushing (5) are provided with several, are fixedly installed with oil at the top of cabinet (7) It is connected to inside position meter (3), oil level indicator (3) and cabinet (7), insulating radiation oil is saturated in cabinet (7), is provided with four in cabinet (7) Five column winder (21) of frame, four frames, five column winder (21) are stacked in left-right direction by five iron core frames (22), iron core frame (22) it is rolled, is set as at the top and bottom of iron core frame (22) iron yoke (20) by amorphous alloy strips, iron core frame (22) Two sides are set as iron core column (8), each iron core frame (22) junction and the iron core frame for being located at four frame five column winder (21) two sides (22) it is provided with coiling group (9) in iron core column (8), the coiling group (9) includes low pressure coiling group (18) and high-tension winding Group (19), low pressure coiling group (18) are wrapped on iron core column (8), and high-tension winding group (19) is wrapped in low pressure coiling group (18), The horizontal cross-section of the coiling group (9) is rectangle, and the iron yoke (20) of each independent iron core frame (22) connects with intersection iron yoke It stitches (1), each about 3~6 millimeters of intersection iron yoke seam (1) air gap, coiling group (9) two sides are provided with groove profile iron plate (10), Groove profile iron plate (10) holds coiling group (9), and cabinet (7) bottom is fixedly installed with installation leg (12), and installation leg (12) has It two and is symmetrical arranged, through offering threaded hole in installation leg (12), and screw thread is equipped with threaded rod (13), the cabinet (7) top is fixedly installed with platform sling (6).

2. efficiency level-one amorphous alloy iron core distribution transformer according to claim 1, which is characterized in that the cabinet (7) front and rear surfaces and two sides are fixedly installed with corrugation radiator (2), and corrugation radiator (2) is by several corrugate fins (11) it is spliced.

3. efficiency level-one amorphous alloy iron core distribution transformer according to claim 1, which is characterized in that the cabinet (7) case lid and cabinet (7) at the top of are the all-sealed structure of a welding fabrication.

4. efficiency level-one amorphous alloy iron core distribution transformer according to claim 1, which is characterized in that the low pressure around Line group (18) is made of the first low pressure coiling group (14) and the second low pressure coiling group (15), and the second low pressure coiling group (15) is wrapped in In first low pressure coiling group (14).

5. efficiency level-one amorphous alloy iron core distribution transformer according to claim 1, which is characterized in that the high voltage winding Line group (19) includes that the first high-tension winding group (16) surround the second high-tension winding group (17) composition, and the second high-tension winding group (17) It is wrapped in the first high-tension winding group (16).