CN209149931U - The transformer framework for preventing winding leads from intersecting - Google Patents

Abstract

The utility model provides a kind of transformer framework for preventing winding leads from intersecting, including longitudinally through magnetic core slot, winding slot, the skeleton upper layer at the top of winding slot, two pieces of connecting plates set on the first primary bottom of winding slot bottom end side and between the second primary bottom of its other side and secondary bottom, the primary bottom of the primary bottom of connection first and the other side second and secondary bottom；Primary crossed beam trunking and primary wiring column is arranged in the side of first primary bottom and the second primary bottom, and the side of secondary bottom is equipped with secondary crossed beam trunking；The bottom surface of first primary bottom and the second primary bottom and secondary bottom is equipped with several longitudinal primary pins and secondary pins；Position corresponding with primary crossed beam trunking opens up the metallic channel for being able to guide and being connected derived from the lead sinking for the primary coil being set around on winding slot, with primary crossed beam trunking on first primary bottom and the second primary bottom.The utility model realizes transformer full-automation production.

Description

The transformer framework for preventing winding leads from intersecting

Technical field

The utility model relates to charger transformers, more particularly, to a kind of transformer bone for preventing winding leads from intersecting Frame.

Background technique

Transformer is electrical part important in electric power output distribution device system, mainly include magnetic core, transformer framework, just Grade coil and secondary coil, using electromagnetic induction principle, to convey electric energy.Primary coil is twined for being connected with AC power source It is wound on the winding slot of transformer framework, secondary coil is wrapped on the outside of primary coil, for exporting induced potential by secondary Multiple coil windings are arranged in grade coil, thus it is possible to vary the potential levels of output potential.But the lead 91 of primary coil can with it is secondary Grade coil 92 can generate 45 ° or 90 ° intersections, as shown in fig. 6, can simultaneously generate drawing force, easily lead to the insulating layer of secondary coil because Stress and generate breakage, thus occur electric leakage, electric shock etc. danger.

Based on the above issues, it is closed in the 2.10.5.12 clause of safety standard GB4943.1 " Information Technology Equipment safety " In winding assembly winding wire regulation: when two winding wires in winding assembly or a winding wire and another conductive contact simultaneously Unspecified angle between mutual at 45 °~90 ° of angles, and bear winding stretching, then mechanical stress protection, such as this guarantor should be provided Shield can provide physical isolation by insulating sleeve or flaky material or using twice of the insulating requirements number of plies.

It is usually protected as a result, in the one layer of insulator that added by stress position of secondary coil in prior art production, Insulator can be insulating sleeve or insulating tape, and insulator is in process of production, by worker singly by insulator It is manually arranged or is coated on the secondary coil of transformer, after having the following deficiencies: that (1) makes processing because of worker's individual experience difference Transformer quality it is uncontrollable, quality is irregular, and defective products is caused to flow out；(2) it can not achieve transformer full-automation production, Production efficiency is poor, and production capacity is low；(3) cost of labor is big.

Summary of the invention

The technical problem to be solved by the present invention is to provide it is a kind of be able to achieve transformer full-automation production prevent around The transformer framework that group lead intersects.

In order to solve the above-mentioned technical problem, the utility model provides a kind of transformer framework for preventing winding leads from intersecting, Including longitudinally through magnetic core slot, winding slot, the skeleton upper layer at the top of winding slot, set on the first of winding slot bottom end side Primary bottom and the second primary bottom and secondary bottom positioned at its other side and be separately connected the first primary bottom with it is another Two pieces of connecting plates between the primary bottom in side second and secondary bottom；Described first primary bottom, the second primary bottom and secondary Bottom cross is in the axis of the magnetic core slot；What the side setting spacing of the described first primary bottom and the second primary bottom was arranged The side of primary crossed beam trunking and primary wiring column, the secondary bottom is equipped with secondary crossed beam trunking；The first primary bottom and the The bottom surface of two primary bottoms and secondary bottom is respectively equipped with longitudinal primary pins and secondary pins of several spacing arrangements；It is described On first primary bottom and the second primary bottom position corresponding with the primary crossed beam trunking open up be able to guide be set around it is described around The derived metallic channel of lead sinking of primary coil on wire casing, the metallic channel are connected with primary crossed beam trunking.

It is preferred that several primary crossed beam trunkings among the described first primary bottom and being located at the second primary bottom The corresponding metallic channel of several primary crossed beam trunkings of layer inner end extends to the side wall of winding slot, forms the first metallic channel.

It is preferred that adjacent first metallic channel corresponding with the adjacent primary crossed beam trunking is connected.

It is preferred that positioned at several primary crossed beam trunkings at the first primary bottom both ends and outside the second primary bottom The corresponding metallic channel of primary crossed beam trunking at end extends respectively in the middle part of corresponding connecting plate, forms the second metallic channel.

It is preferred that second metallic channel is natural far from the lead that one end of crossed beam trunking is equipped with guidance primary coil Transition sinks down into the intermediate incline in shown metallic channel.

The utility model relates to a kind of transformer frameworks for preventing winding leads from intersecting, compared with existing design, advantage Be: the utility model opens up metallic channel on transformer framework, and designs metallic channel barricade, and the setting of metallic channel sufficiently guides The trend of the lead of primary coil makes the lead of primary coil form the effect of sinking compared to secondary coil, meanwhile, barricade is set It sets, supports the bottom of secondary coil, so that the lead of primary coil and the bottom surface of secondary coil is made to keep certain difference in height, To will not because with secondary coil shape it is at 45 ° or 90 ° intersects generation stress caused by three layer insulation wire broken skin shock hazard, It efficiently solves and has to manually be increased insulating sleeve or insulating tape just by stress position on the secondary winding in the prior art Stress can be prevented to the damage of secondary coil insulating layer, make power transformer product automated production from local automation to the overall situation Automation strides forward, and improves production efficiency, saves cost of labor, reduces the wasting of resources, promotes green production, while automated job The consistency that can guarantee product, increases substantially product qualification rate.

Detailed description of the invention

Fig. 1 is the utility model transformer framework stereoscopic schematic diagram one.

Fig. 2 is the utility model transformer framework stereoscopic schematic diagram two.

Fig. 3 is stereoscopic schematic diagram one after the coiling of the utility model transformer framework.

Fig. 4 is stereoscopic schematic diagram two after the coiling of the utility model transformer framework.

Fig. 5 is the utility model transformer bone coiling after-frame longitudinal profile.

Fig. 6 is stereoscopic schematic diagram after the coiling of prior art transformer framework.

Appended drawing reference is as follows:

10- magnetic core slot, 20- winding slot, 30- skeleton upper layer, the primary bottom of 41- first, 42- second primary bottom, 43- times Grade bottom, 44- connecting plate, 51- primary crossed beam trunking, 52- primary wiring column, 53- primary pins, 61- grade crossed beam trunking, 62- times Grade pin, 70- metallic channel, the first metallic channel of 71-, the second metallic channel of 72-, 80- barricade, 91- lead, 92- secondary coil.

Specific embodiment

The utility model relates to a kind of transformer frameworks for preventing winding leads from intersecting, below in conjunction with Figure of description 1-5 The utility model is described in detail with specific embodiment.

The transformer framework includes longitudinally through magnetic core slot 10, set on the skeleton upper layer of 10 top periphery of magnetic core slot 30, set on the skeleton bottom of 10 bottom end of magnetic core slot periphery, skeleton upper layer 30, skeleton bottom and the outer wall formation of magnetic core slot 10 are used for The winding slot 20 of primary coil and secondary coil 92 around the home.Wherein, skeleton bottom includes the first primary bottom of primary bottom 41, second Layer 42, secondary bottom 43, connecting plate 44, the first primary bottom 41 are set to the side of 20 bottom end of winding slot, the second primary bottom 42 Be connected to the second primary 42 inner end of bottom and along the secondary bottom that the length direction of the second primary bottom 42 vertically extends outward Layer 43 forms L-type skeleton, set on the other side of skeleton bottom；Two pieces of connecting plates 44 are vertically connected at 20 bottom end of winding slot, difference It is connected between the first primary bottom 41 and the second primary bottom 41 of primary bottom 42, first and secondary bottom 43.Described first The axis of the primary bottom 42 of primary bottom 41, second and secondary bottom 43 perpendicular to magnetic core slot 10.

The primary crossed beam trunking 51 that four stripe pitch are arranged is arranged in the side of first primary bottom 41, and each adjacent two primary crosses line It is primary wiring column 52 between slot 51, is located at 44 phase of connecting plate of two the primary crossed beam trunkings 51 and two pieces of skeleton bottoms at both ends The bottom surface of alignment, the first primary bottom 41 is connected with longitudinal primary pins 53 of five spacing arrangements.Second primary bottom 42 Side the primary crossed beam trunking 51 that two stripe pitch are arranged is set, be primary wiring column 52 between two primary crossed beam trunkings 51, be located at The primary crossed beam trunking 51 of outer end aligns with connecting plate 44, and the bottom surface of the second primary bottom 42 is connected with two spacing arrangements Longitudinal primary pins 53.A secondary crossed beam trunking 61 is arranged in the side of secondary bottom 43, and the bottom surface of secondary bottom 43 is connected with Longitudinal secondary pins 62 of two spacing arrangements.

Position corresponding with primary crossed beam trunking 51, which opens up, on the skeleton bottom of the use of the new type is able to guide drawing for primary coil Line 91 sinks derived metallic channel 70, and metallic channel 70 is connected with primary crossed beam trunking 41 and winding slot 20；Positioned at the metallic channel The boss of 70 two sides forms the barricade 80 for being used to support 92 bottom of secondary coil being set around on the outside of primary coil.Metallic channel 70 Depth is more than or equal to 0.5mm.

Specifically, with two primary crossed beam trunkings 51 being located among the first primary bottom 41 and positioned at the second primary bottom 42 The primary corresponding metallic channel 70 of crossed beam trunking 51 of one of inner end extends to 20 side wall of winding slot, forms the first metallic channel 71；In order to Facilitate processing, is connected between two first metallic channels 71 at the first primary 41 middle part of bottom.

With two primary crossed beam trunkings 51 for being located at the first 41 both ends of primary bottom and positioned at the second 42 outer end of primary bottom 51 corresponding three metallic channels 70 of primary crossed beam trunking extend respectively in the middle part of corresponding connecting plate, form the second metallic channel 72； Wherein, the transition that the lead that the second metallic channel 72 is equipped with guidance primary coil far from one end of crossed beam trunking is sunk down into naturally in slot is oblique Face.

By the design of metallic channel, after guiding the lead of primary coil to sink down into metallic channel, complies with metallic channel, passed through line After slot, around in primary pins, meanwhile, the setting of barricade supports the bottom of secondary coil, to make the lead of primary coil There are differences in height with the bottom surface of secondary coil, so, without intersect on the secondary winding with primary coil lead position patch every From adhesive tape or insulation sleeve, will not occur to generate caused by stress three layers with primary coil lead crossover location on secondary coil Insulated wire broken skin generates the harm of electric shock.

The utility model can make full use of existing automation equipment, realize the full section automated production of transformer.With it is existing There is technology production technology to compare, the single working hour 4.4s of automatic machine coiling, production capacity is 818pcs/h per capita, and in the prior art, around The single working hour 30s of line, production capacity is 118pcs/h per capita, and compared with prior art, production capacity promotes 700pcs/ to the utility model per capita H greatly improves production efficiency, saves labour turnover, remarkable in economical benefits.

Claims (5)

1. it is a kind of prevent winding leads intersect transformer framework, it is characterised in that: including longitudinally through magnetic core slot (10), around Wire casing (20), the skeleton upper layer (30) being set at the top of winding slot (20), the first primary bottom for being set to winding slot (20) bottom end side Layer (41) and positioned at the second primary bottom (42) of its other side and secondary bottom (43) and it is separately connected the first primary bottom (41) two pieces of connecting plates (44) between the primary bottom (42) in the other side second and secondary bottom (43)；Described first primary bottom The axis of layer (41), the second primary bottom (42) and secondary bottom (43) perpendicular to the magnetic core slot (10)；Described first is primary The primary crossed beam trunking (51) and primary wiring column (52) that the side setting spacing of bottom (41) and the second primary bottom (42) is arranged, The side of the secondary bottom (43) is equipped with secondary crossed beam trunking (61)；Described first primary bottom (41) and the second primary bottom (42) longitudinal primary pins (53) and secondary pins of several spacing arrangements are respectively equipped with the bottom surface of secondary bottom (43) (62)；Position corresponding with primary crossed beam trunking (51) is opened on described first primary bottom (41) and the second primary bottom (42) The derived metallic channel (70) if the lead (91) for being able to guide the primary coil being set around on the winding slot (20) sinks, it is described to lead Wire casing (70) is connected with primary crossed beam trunking (51).

2. a kind of transformer framework for preventing winding leads from intersecting according to claim 1, it is characterised in that: be located at described The intermediate several primary crossed beam trunkings (51) of first primary bottom (41) and several primary for being located at second primary bottom (42) inner end The corresponding metallic channel (70) of crossed beam trunking (51) extends to the side wall of winding slot (20), is formed the first metallic channel (71).

3. a kind of transformer framework for preventing winding leads from intersecting according to claim 2, it is characterised in that: with adjacent institute Corresponding adjacent first metallic channel (71) of primary crossed beam trunking (51) is stated to be connected.

4. a kind of transformer framework for preventing winding leads from intersecting according to claim 1, it is characterised in that: be located at first Several primary crossed beam trunkings (51) at primary bottom (41) both ends and the primary crossed beam trunking for being located at second primary bottom (42) outer end (51) corresponding metallic channel (70) extends respectively in the middle part of corresponding connecting plate (44), is formed the second metallic channel (72).

5. a kind of transformer framework for preventing winding leads from intersecting according to claim 4, it is characterised in that: described second Metallic channel (72) sinks down into shown metallic channel far from the natural transition of lead (91) that one end of crossed beam trunking is equipped with guidance primary coil (70) intermediate incline in.