CN204834292U - At dedicated reactor of supplementary unsteady flow system of track traffic - Google Patents

Abstract

The utility model relates to an electric power reactor field especially relates to an at dedicated reactor of supplementary unsteady flow system of track traffic. It includes the shield cover and sets up the reactor body in the shield cover, the reactor body includes upper yoke, lower indisputable yoke and setting up in upper yoke air core coil winding between the indisputable yoke under and, the air core coil winding has hollow portion of coil and the hollow portion of non - coil, the upper yoke is all seted up the louvre with lower indisputable yoke and is had hollow portion of indisputable yoke and the hollow portion of non - indisputable yoke, the hollow portion of non - indisputable yoke covers the hollow portion of non - coil completely. It can guarantee when satisfying the demands, reduces the volume of reactor to reduce the leakage inductance of reactor during operation. And the multiple installation space of adaptable converter.

Description

A kind of reactor special at track traffic auxiliary converter system

Technical field

The utility model relates to power reactor field, relates to a kind of reactor special at track traffic auxiliary converter system in particular.

Background technology

In general rail traffic vehicles frequent starting, brake and the high-power operation characteristic of brake squeal, make trailer system, auxiliary converter system main circuit DC side electric current is ladder or sawtooth waveforms state, and peak value differs greatly, therefore, DC side feed(er) reactor is designed to hollow-core construction, and its inductance value is hardly by the impact of DC side electric current, and common reactor profile is cylinder, such structure is very low to space availability ratio, usually causes volume larger.Simultaneously due to the magnetic loop that reactor does not close, there is larger stray field, electromagnetic radiation phenomenon is existed to the environment of surrounding.

Utility model content

The utility model is in order to overcome the deficiencies in the prior art, its object aims to provide a kind of reactor special at track traffic auxiliary converter system, it can ensure while satisfying the demands, and reduces the volume of reactor, and reduces reactor leakage inductance operationally.And the multiple installing space of current transformer can be adapted to.

In order to solve above-mentioned technical problem, the basic technical scheme that the utility model proposes is:

At the reactor that track traffic auxiliary converter system is special, comprise radome and be arranged on the reactor body in radome, in particular, described reactor body comprises upper yoke, lower yoke and is arranged at the air core coil winding between upper yoke and lower yoke;

Further, described air core coil winding has coil hollow part and non-coil hollow part; Described upper yoke and lower yoke are offered louvre and have iron yoke hollow part and non-ferric yoke hollow part; Described non-ferric yoke hollow part covers non-coil hollow part completely.

Further, described air core coil winding is rectangle hollow coil windings.

Further, between described radome and reactor body, Embedding Material layer is set.

Further, described Embedding Material layer is epoxy resin layer or organosilicon glue-line or layer of polyurethane.

Further, described upper yoke and lower yoke adopt orientation silicon steel or non-orientation silicon steel or amorphous iron core or powder core material.

Further, described air core coil winding adopt paper tinsel around or circle wire-wound or or Flat wire vertical winding.

Further, described air core coil winding adopts the material of aluminium conductor or copper conductor.

The beneficial effects of the utility model are:

One, because the non-ferric yoke hollow part of upper yoke and lower yoke covers the non-coil hollow part of air core coil winding completely, therefore Double layer iron yoke defines magnetic screen outside coil, substantially reduces leakage field intensity.Further, upper yoke and lower yoke have also offered louvre, are conducive to the heat loss of reactor.

Two, the utility model adopts rectangle hollow coil windings, meeting identical with current value time of inductance value and adopting circular hollow coil windings relative to prior art, the length of rectangle hollow coil windings and width dimensions design short, square coil length and width can set arbitrarily simultaneously, all do not need by circular coil minimum length and width the restriction equaling overall diameter, therefore more easily adapt to the needs optimizing installing space in the square installation cabinet of track traffic AuCT.

Three, upper yoke of the present utility model and lower yoke adopt the material of orientation silicon steel or non-orientation silicon steel or amorphous iron core or powder core, make the linearity of reactor good compared with the linearity of common iron core reactor.On the one hand, upper yoke and air form magnetic circuit jointly, and lower yoke and air form magnetic circuit jointly, and its inductance value therefore can be made to increase than the inductance value of plain hollow coil, and under namely meeting the condition of equal inductance value, reactor body structural design ground volume is less.

Accompanying drawing explanation

Fig. 1 is the reactor stereogram of the utility model specific embodiment when not installing upper yoke.

Fig. 2 is the structure chart of the utility model specific embodiment reactor body.

Fig. 3 is the structural representation of the utility model specific embodiment rectangle hollow coil windings when being connected with lower yoke.

Fig. 4 is under the equivalent parameters condition of the utility model specific embodiment, rectangle hollow coil windings (simplification) and cylinder type hollow coil windings (simplification) length and width scale diagrams.

Embodiment

Be described further below with reference to accompanying drawing 1 to accompanying drawing 4 pairs of the utility model, but protection range of the present utility model should do not limited with this.For convenience of description and understand the technical solution of the utility model, below illustrate that the orientation that the noun of locality used all is shown with accompanying drawing is as the criterion.

As shown in Figure 1, the reactor of the utility model specific embodiment is special at track traffic auxiliary converter system, it comprises radome 10 and reactor body 11, and reactor body 11 is arranged in radome 10, and also arranges Embedding Material layer 12 between radome 10 and reactor body 11.Wherein, Embedding Material layer 12 can be epoxy resin layer or organosilicon glue-line or layer of polyurethane.

As Fig. 2 and as shown in Figure 3, the air core coil winding 112 that described reactor body comprises upper yoke 110, lower yoke 111 and is arranged between upper yoke and lower yoke.Wherein, described air core coil winding 112 has coil hollow part A1 and non-coil hollow part A2.Described upper yoke 110 and lower yoke 111 are offered louvre and have iron yoke hollow part B1 and non-ferric yoke hollow part B2.More further, described non-ferric yoke hollow part A2 covers non-coil hollow part B2 completely.Non-ferric yoke hollow part A2 due to upper yoke 110 and lower yoke 111 covers the non-coil hollow part B2 of air core coil winding completely, and therefore Double layer iron yoke defines magnetic screen outside coil, substantially reduces leakage field intensity.Further, upper yoke 110 and lower yoke 111 have also offered louvre, are conducive to the heat loss of reactor, thus improve the useful life of air core coil winding 112, upper yoke 110 and lower yoke 111.

Air core coil winding 112 be paper tinsel around or circle wire-wound or or Flat wire vertical winding, air core coil winding 112 can adopt any one winding method in this technical field.Upper yoke 110 and lower yoke 111 adopt orientation silicon steel or non-orientation silicon steel or amorphous iron core or powder core material.It is high that the iron yoke adopting orientation silicon steel or No yield point silicon to make has magnetic permeability, and vibration noise is little, and size is little under satisfied equivalent operating condition design requires.The iron yoke adopting amorphous iron core or powder core to make has high saturated magnetic strength, low-loss, and requires that lower yoke adopts the iron yoke of common material relatively meeting equivalent operating condition design, its can Volume design less and weight of equipment is lighter.Air core coil winding 112 adopts the material of aluminium conductor or copper conductor, and aluminium or copper conductor have good conductivity and thermal conductivity.Therefore, upper yoke 110 of the present utility model and lower yoke 111 adopt the material of orientation silicon steel or non-orientation silicon steel or amorphous iron core or powder core, make the linearity of reactor good compared with the linearity of common iron core reactor.On the one hand, upper yoke 110 and air form magnetic circuit jointly, and lower yoke 111 and air form magnetic circuit jointly, and its inductance value therefore can be made to increase than the inductance value of plain hollow coil, namely, under meeting the condition of equal inductance value, reactor body structural design ground volume is less.

The air core coil winding of the utility model specific embodiment preferably adopts rectangle hollow coil windings, and the shape of coil hollow part A1 and iron yoke hollow part B1 is rectangular-shaped.Allly require the non-coil hollow part B2 that the non-ferric yoke hollow part A2 of upper yoke 110 and lower yoke 111 covers air core coil winding completely, because prevent winding in air core coil winding 112 from coming out from iron yoke hollow part B1, therefore from the side on ensure that Double layer iron yoke defines magnetic screen outside coil, substantially reduce leakage field intensity.The Double layer iron yoke of prior art is owing to failing to cover air core coil winding completely, and cause the position of air core reactor surrounding vacant, therefore leakage field intensity is very large.

As shown in Figure 4, the air core coil winding of prior art adopts columniform air core coil winding, and the air core coil winding of the utility model specific embodiment preferably adopts rectangle hollow coil windings, meet inductance value identical with current value under, the length of rectangle hollow coil windings and width dimensions design short, square coil length and width can set arbitrarily simultaneously, all do not need by circular coil minimum length and width the restriction equaling overall diameter, therefore more easily adapt to the needs optimizing installing space in the square installation cabinet of track traffic AuCT.

Embedding Material in reactor, can make reactor under operating mode condition of work, have the feature of low noise and low-temperature-rise.The workflow of reactor Embedding Material:

1, reactor body conventionally completes assembling.

2, reactor body is correctly placed on the bottom of radome.

3, pour Embedding Material into embedding shell according to Embedding Material related process and fill up, as shown in Figure 1.

Note gap to be filled up in operating process, discharge bubble to be conducive to the heat transfer of Embedding Material, then the overall embedding solidification of reactor is treated, after potting material cure, performance need meet Shore hardness > ShoreA50, thermal conductivity > 1.0W/mK, therefore restrained effectively the noise of reactor, meanwhile, also can reduce the temperature rise of reactor.

The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.

Claims (7)

1. one kind at the special reactor of track traffic auxiliary converter system, comprise radome and be arranged on the reactor body in radome, it is characterized in that: described reactor body comprises upper yoke, lower yoke and is arranged at the air core coil winding between upper yoke and lower yoke;

Described air core coil winding has coil hollow part and non-coil hollow part; Described upper yoke and lower yoke are all offered louvre and have iron yoke hollow part and non-ferric yoke hollow part; Described non-ferric yoke hollow part covers non-coil hollow part completely.

2. a kind of reactor special at track traffic auxiliary converter system according to claim 1, is characterized in that: described air core coil winding is rectangle hollow coil windings.

3. a kind of reactor special at track traffic auxiliary converter system according to claim 1, is characterized in that: arrange Embedding Material layer between described radome and reactor body.

4. a kind of reactor special at track traffic auxiliary converter system according to claim 3, is characterized in that: described Embedding Material layer is epoxy resin layer or organosilicon glue-line or layer of polyurethane.

5. a kind of reactor special at track traffic auxiliary converter system according to claim 1, is characterized in that: described upper yoke and lower yoke adopt orientation silicon steel or non-orientation silicon steel or amorphous iron core or powder core material.

6. a kind of reactor special at track traffic auxiliary converter system according to claim 1 and 2, is characterized in that: described air core coil winding adopt paper tinsel around or circle wire-wound or or Flat wire vertical winding.

7. a kind of reactor special at track traffic auxiliary converter system according to claim 1, is characterized in that: described air core coil winding adopts the material of aluminium conductor or copper conductor.