CN201765902U

CN201765902U - Vertical type triangular iron core three-phase reactor

Info

Publication number: CN201765902U
Application number: CN2010201724332U
Authority: CN
Inventors: 刘永言
Original assignee: CHENGDU SHENLAN HIGH TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: CHENGDU SHENLAN HIGH TECHNOLOGY DEVELOPMENT Co Ltd
Priority date: 2010-04-28
Filing date: 2010-04-28
Publication date: 2011-03-16
Anticipated expiration: 2020-04-28

Abstract

The utility model discloses a vertical type triangular iron core three-phase reactor which belongs to drying type three-phase minitype reactor in electrical components. An iron core of the reactor is formed by laminating of regularly-triangular silicon-steel plates; three iron core windows are distributed at the tops of the triangle in a sector manner; a air gap groove is radiated to the three iron core windows in a Y shape from the center of the iron core; each window is embedded with three insulating baffle plates; a copper-aluminum composite enamelled wire winding is formed by being wound between the insulating baffle plates in a penetrating manner; and a lead wire is connected to a stamping terminal piece and then installed on a terminal seat, thus being safe and reliable. Based on the principle that the magnetic flux circuit is short and rapid, the reactor has the advantages of symmetrical magnetic circuits, balanced three phases and compact structure, being convenient for installation, and saving iron and copper.

Description

Vertical triangulation shape three-phase reactor unshakable in one's determination

Technical field

The utility model belongs to the small-sized reactor structure of dry type three-phase in a kind of electronic parts, and iron core is the basic element of character of reactor, is the magnetic circuit and the structure member of reactor.This iron core of electric reactor is formed by the equilateral triangle silicon steel plate stacking.

Background technology

Core type reactor is widely used in occasions such as current limliting, current-sharing, filtering as a kind of inductance component.It is the version of " three-phase reactors of six hole iron cores " of basic ideas that the application for a patent for invention 200910216421.7 of our unit has proposed with the short victory of magnetic circuit first, the distribution in six holes is horizontal two holes, vertical three holes on every silicon steel sheet, fill a phase coil in every horizontal two holes, constitute three-phase coil thus.But owing to the different three-phase reactors of six hole iron cores that make of manufacturing process certain limitation is arranged in the use on the reactor function, and advantage such as the triangle iron core has that the three-phase symmetry is good, punching shape and assembling technique for coiling are simple, and then developed the described vertical triangulation shape of this patent iron-core reactor.

The utility model content

The technical problems to be solved in the utility model provides and a kind ofly increases the magnetic circuit sectional area by increasing thickness unshakable in one's determination, thereby obtains the inductance value that needs; Utilize the magnetic loop window to wear around several circle conductors with acquisition largest conductor sectional area, the i.e. bigger electric current of acquisition; Its manufacturing and assembly technology are simple, lead can aluminium for copper, wiring is simple and reliable, volume is little low-cost three-phase reactor.

For solving the problems of the technologies described above, the utility model iron core of electric reactor adopts the equilateral triangle silicon steel sheet, and three windows are fan-shaped distribution in gable top, and correspondence has been opened three groups of notches on each window fan-shaped arc, be used for three insulating barriers of embedding, the conductor in isolation and the insulated window.

After the equilateral triangle silicon steel plate stacking becomes iron core, wear between adjacent two windows with lead and to turn to, the typical number of turn is 4 circles only.Insulation cuts off with three insulating barriers and to guarantee between each window wire turn, and after three windows twined completely three phase windings, lead riser was received respectively on the stamped terminals sheet, is installed on the terminal base as input and output terminal again.

In order to make air gap is arranged between magnetic circuit, from three air gap grooves of silicon steel sheet centre bore radiation, up to the window arc unshakable in one's determination top of correspondence, the big I of air gap groove changes on demand, and can double as be the notch of embedding insulating barrier.

For the saturation type reactor of no air gap, do not open the air gap groove, only open the sulculus of embedding insulating barrier.

This iron core of electric reactor window area is littler than traditional reactor, and the magnetic line of force is walked shortest path, and consumption unshakable in one's determination reduces; The insulating barrier that window unshakable in one's determination is inlayed has strengthened the class of insulation between conductor, makes the easy combing of copper-in-aluminum enameled wire neat, has optimized the manufacturability of coiling; The stretching screw nut clamps triangle press box, the triangle insulation board at two ends the triangle silicon steel plate core and is integral, the stretching screw nut not only done the terminal base support fixed support, but also make the construction bolt of reactor, two groups of stamped terminals sheets, back-to-back being fixed on the terminal base support, the stamped terminals sheet can crimping or the outlet of solder wire turn, and input, output are inserted in the termination of easily colding pressing again from the outside.

In sum, the advantage of the utility model reactor is three-phase equilibrium, economizes iron, joint copper, and compact conformation is the existing desirable upgraded product of three-phase iron-core reactor.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the structural perspective of the utility model vertical triangulation shape three-phase reactor unshakable in one's determination, and wire interconnecting piece is divided into signal.

Fig. 2 is this reactor top plan shown in Figure 1, and lead does not draw among the figure.

Fig. 3 is an end view shown in Figure 1, and lead does not draw among the figure.

Fig. 4 is the equilateral triangle silicon steel sheet plane graph that the air gap groove is arranged shown in Figure 2.

Fig. 5 is the enlarged drawing of segment core window shown in Figure 4.

Fig. 6 is an equilateral triangle silicon steel sheet plane graph of not being with the air gap groove.

Fig. 7 is the stereogram of triangle insulation board shown in Figure 1.

Fig. 8 is the stereogram of triangle press box shown in Figure 1.

Embodiment

Fig. 1, Fig. 2, vertical triangulation shape shown in Figure 3 three-phase reactor unshakable in one's determination are divided into three parts, are described as follows: 1) core portion: be overrided to form by equilateral triangle silicon steel sheet 9.2) standing part: two ends triangle press box 11 clamps unshakable in one's determination by three groups of uniform bolt and nuts 13 of two ends triangle insulating press boards 10 usefulness, center bolt nut 7, triangle press box 11 adopts the strong square steel bar of rigidity to curve or steel plate is slit into, triangle insulating press boards 10 pads play buffering and insulating effect on triangle silicon steel sheet 9, make whole iron core press smoothly, solid, and can make slot liner not exceed notch, to improve the window plot ratio; Two groups of fixedly usefulness of doing terminal base support 8 of bolt and nut 13 1 ends, the other end three assembly are closed insulating sleeve 12 reactors and are installed and fixed pin.3) winding part: iron core has three fan-shaped windows, three insulating barriers of each window embedding, and the dividing plate 4 in the middle of wherein placing is longer than other two dividing plates 5, is convenient to the combing lead, optimizes technique for coiling; Copper cover aluminum enamel-cover lead 6 substitutes expensive copper cash, the crimping or be soldered on the homemade stamped terminals sheet 3 respectively of each winding terminal, be installed on the general part terminal base 2 three-phase input, output stroma 2 back-to-back apportion both sides, the outside mode of connection of termination 1 signal of colding pressing again.

Fig. 4 is the plane graph that the equilateral triangle silicon steel sheet 9 of air gap groove is arranged, air gap groove 9a therefrom three Y-shaped width of cloth of window of mind-set penetrates, be connected with the fan-shaped window top slot mouth 9c of punching out in advance, notch 9c width can be equal to or not be equal to air gap groove 9a width, its air gap groove 9a width numerical value is determined by inductance value calculating, the silicon steel sheet edge is evenly equipped with three location and compresses and use semicircle orifice, and the centralized positioning hold-down apertures links to each other with air gap groove 9a.

Fig. 5 is the enlarged drawing of window unshakable in one's determination shown in Figure 4, and wherein fan-shaped window divides Fabric that three couples of notch 9b and 9c are arranged on the camber line up and down, but three insulating barriers of embedding.

Fig. 6 has provided that another kind of its window shape is identical with Fig. 4 not with the plane graph of the equilateral triangle silicon steel sheet 14 of air gap groove, available same set of mould punching, and difference is not have Y shape air gap groove 9a.

Fig. 7 is the stereogram of triangle insulation board 10, can be directly with the mould punching insulating thin of the punching out silicon steel sheet desired thickness that is added to.

Fig. 8 is the stereogram of triangle press box 11, available square steel bar bending forming, or be slit into the welding of junction, end by steel plate numerical control jacking.

Auxiliary materials such as other screw rod insulation and coiling insulation film are not listed one by one.

Claims

1. three-phase reactor, iron core of electric reactor adopts the equilateral triangle silicon steel sheet, and it is characterized in that: three windows unshakable in one's determination are fan-shaped distribution in gable top, have opened three groups of notches on each window fan-shaped arc, be used for three insulating barriers of embedding, the conductor in isolation and the insulated window.

2. three-phase reactor according to claim 1 is characterized in that: three insulating barriers run through three groups of notches that insert whole iron core, are used for the combing and the partition of each window wire turn.

3. three-phase reactor according to claim 1 is characterized in that: from three air gap grooves of silicon steel sheet centre bore radiation, up to the window arc unshakable in one's determination top of correspondence, the air gap groove is as the notch of embedding insulating barrier.

4. three-phase reactor according to claim 3 is characterized in that: the air gap well width is identical with the width of rebate of other embedding insulating barrier.