CN101373657A

CN101373657A - Reactor

Info

Publication number: CN101373657A
Application number: CNA2007101392999A
Authority: CN
Inventors: 李晓雨; 张世军
Original assignee: QINGDAO YUNLU ELECTRIC CO Ltd
Current assignee: Qingdao Yunlu Energy Technology Co Ltd
Priority date: 2007-08-25
Filing date: 2007-08-25
Publication date: 2009-02-25

Abstract

The invention relates to a reactor, particularly to a single-phase/three-phase reactor with high power in a power utilization system, and provides a reactor adopting a nano-crystalline or amorphous or the nano-crystalline and amorphous mixed iron core. The reactor comprises an iron core. The iron core comprises an upper iron core, a lower iron core and a core leg in the middle thereof. The upper iron core and the lower iron core are designed as an electrical si-steel iron core, and the core leg is designed as a nano-crystalline or amorphous or the nano-crystalline and amorphous mixed iron core. The invention effectively improves the integrated design magnetism of the reactor, shortens the volume of the reactor of the by more than 10 percent, reduces the material cost of the reactor, reduces the loss of the reactor by more than 20 percent, improves the linear speed of the reactor, generally by more than 1.4 times, and increases the capacity of resisting high frequency DC carrier wave.

Description

Reactor

Technical field

The present invention relates to a kind of reactor, specifically, relate to high-power single-phase, the three-phase reactor in a kind of using electricity system.

Background technology

As shown in Figure 1, in the traditional design scheme, iron core comprises upper iron core 1, following iron core 3 and middle core limb 2, integral core is used the orientation silicon steel sheet, and sectional area A size≤B size is added the limitation of the low saturation magnetic induction of orientation silicon steel, close Bm is lower for the actual magnetic of reactor, so the linearity of product relatively poor (general 1.2 times), volume, the weight ratio of product are bigger, and cost is than higher.Reactor with the orientation silicon steel making, mainly be applicable to the low frequency field, only low-order harmonic there is apparent in view effect, when having high order harmonic component or high frequency DC component in the circuit system, the filter effect of orientation silicon steel reactor is not obvious, and be easy to generate noise, and the core limb heating is very high, and power loss increases.With the reactor that orientation silicon steel is made, in manufacturing process, major part relies on the operation of manual lamination, complex process, and production efficiency is low.The processing method of orientation silicon steel sheet generally adopts the mode of monolithic punching press at present, the burr of silicon steel sheet is bigger, there is inevitable scale error between sheet and the sheet, add in the reactor manufacturing process, adopt the mode of manual lamination, the uneven thickness block unshakable in one's determination that finally is processed into cause the instability of the air gap height of reactor, so that the consistency of the performance of reactor is relatively poor.

Summary of the invention

The objective of the invention is to overcome above defective, a kind of reactor nanocrystalline or amorphous or nano-amorphous mixing iron core that adopts is provided.

The technical scheme of splicing ear of the present invention is such: it comprises iron core, iron core comprises upper iron core, following core limb unshakable in one's determination, middle, upper iron core and following iron core are set to the electrical steel iron core, and core limb is set to nanocrystalline iron core or amorphous core or nano-crystalline and amorphous and mixes unshakable in one's determination.

Connect with stainless steel between upper iron core, following iron core and the core limb.

The above air gap of twice or twice is set on the core limb, adopts the hot setting glue bond between air gap.

Reactor of the present invention is compared with reactor of the prior art, has the following advantages:

1) volume that has dwindled product reduces raw-material use amount more than 10%;

2) reduced the power loss of product more than 20%;

3) reduced the noise of product;

4) improved the linearity of product;

5) improved the ability of the anti-high frequency direct current of product carrier wave;

6) improved production efficiency of products more than 30%;

7) improved uniformity in product performance.

Description of drawings

Fig. 1 is the structural representation of the reactor of prior art;

Fig. 2 is the structural representation of reactor of the present invention.

Embodiment

Embodiment 1:

Reactor of the present invention comprises iron core, iron core comprises the core limb 2 of upper iron core 1, following iron core 3, centre, upper iron core 1 and following unshakable in one's determination 3 is set to the electrical steel iron core, core limb 2 is set to nanocrystalline iron core, connect with stainless steel between upper iron core 1, following iron core 3 and the core limb 2, three road air gaps 4 are set on the core limb, and 4 of air gaps adopt the hot setting glue bond.Compare with traditional design, with the core limb 2 of nano-crystalline and amorphous composite material as reactor, the global design magnetic that has improved reactor is close, and the volume that has dwindled product has reduced the material cost of product more than 10%.And the loss that has reduced product improved the linearity (general more than 1.4 times) of product more than 20%, increased the ability of the anti-high frequency direct current carrier wave of product.Use electrical steel sheet cheaply simultaneously,, and use non-magnetic stainless steel material, connect top and the bottom, played the fixation of whole reactor, also further reduced the cost of entire product as top, the base material of reactor.And the nano-crystalline and amorphous material can directly be made into need block unshakable in one's determination, need not other lamination, improved 30% production efficiency at least, reduced production cost.Because of its one-time formed processing technology, section unshakable in one's determination has effectively been controlled the height of product air gap in good order, has improved the consistency of bulk article performance.But the saturation magnetic induction of electrical steel sheet itself is lower, and at this moment, with the method (A size 〉=B size) that increases the electrical steel area of core section, the actual magnetic that reduces the electrical steel core portion is close, to reduce temperature rise, the noise problem of electrical steel iron core.The structure of multiple tracks air gap makes the air gap segmentation, has reduced loss effectively, and has improved the anti-high-frequency ability of reactor.

Embodiment 2:

The difference of present embodiment and embodiment 1 is that what the iron core of present embodiment adopted is the amorphous iron core, and core limb is provided with four road air gaps.

Claims

1. reactor, it comprises iron core, and iron core comprises upper iron core, core limb unshakable in one's determination, middle down, and it is characterized in that: upper iron core and following iron core are set to the electrical steel iron core, and core limb is set to nanocrystalline iron core or amorphous core.

2. reactor according to claim 1 is characterized in that: connect with stainless steel between upper iron core, following iron core and the core limb.

3. reactor according to claim 1 is characterized in that: the above air gap of twice or twice is set on the core limb.

4. reactor according to claim 1 is characterized in that: adopt the hot setting glue bond between air gap.