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Diffusion current-separation ring and generator

A technology of blocking flow and volute tongue, which is applied in the field of diffuser blocking ring and generator, can solve the problems of eddy current generated by fans and air inlets, and achieve the effect of improving cooling efficiency and power generation efficiency.

Active Publication Date: 2013-02-13
CRRC YONGJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a diffuser flow barrier and a generator to solve the defect of eddy flow between the fan and the air inlet due to the fact that the fan and the air inlet have no excessive structure in the prior art

Method used

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  • Diffusion current-separation ring and generator
  • Diffusion current-separation ring and generator
  • Diffusion current-separation ring and generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] figure 2 It is a three-dimensional view of the diffuser isolation ring of the present invention. image 3 It is a side view of the diffuser barrier of the present invention; Figure 4 for image 3 A cross-sectional view in the direction of A-A. combine figure 2 , image 3 and Figure 4 As shown, the diffuser and flow isolation of this embodiment includes a first annular casing 11, a second annular casing 12, a volute tongue group and a third casing group; wherein, the volute tongue group includes a plurality of volute tongues 13, and in this embodiment In the example, there are 6 volute tongues 13 (but not limited to 6 volute tongues 13), the volute tongue 13 is an open acute-angled groove at the top, and the acute-angled groove includes two side plates and two side plates; the first ring shell 11 It can be a ring piece, the second ring shell 12 is a ring with a trapezoidal cross section, and the taper angle 17 of the trapezoidal ring can be 30° to 40°.

[0018...

Embodiment 2

[0022] Figure 5 It is a partial sectional view of the generator of the present invention. The generator of the present embodiment comprises an air-cooling system, a rotating shaft 16 and a base 15, and the air-cooling system comprises a fan 11, an air inlet 12, an air channel 13 and an air outlet 14; wherein the air channel 13 is arranged in the wall of the base 15 , the air inlet 12 and the air outlet 13 are all arranged on the inner wall of the machine base, the air inlet 12 and the air outlet 13 are distributed on both sides of the air passage 13, and the fan 11 is arranged inside the machine base 15 and sleeved on the rotating shaft 16, and corresponds to the air inlet 12, wherein, the generator of this embodiment also includes the diffusion barrier 17 of the above embodiment; and the diffusion barrier 17 is sleeved on the fan 11, and is located between the fan 11 and the inlet Between the tuyeres 12, the diffuser barrier 17 includes the various structural components of ...

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Abstract

The invention provides a diffusion current-separation ring and a generator. The diffusion current-separation ring comprises a first circular shell, a second circular shell, a worm-tongue set and a third shell set, wherein the worm-tongue set comprises a plurality of worm-tongues which are uniformly distributed between the first circular shell and the second circular shell; the top of each worm-tongue is an open acute angled groove; a side plate of each worm-tongue is connected to the first circular shell, while the other side plate is connected to the second circular shell; and the third shell set comprises a plurality of third shells which are arranged on the tops of the worm-tongues to seal the worm-tongues. The diffusion current-separation ring and the generator of the invention are sleeved on a fan through the diffusion current-separation ring and are positioned between the fan and an air inlet; the worm-tongues of the diffusion current-separation ring are uniformly distributed on a structure between the first and second circular shells; the eddy currents generated between the fan and air inlet are eliminated; and the cooling efficiency of the air-cooling system is improved, so the aim of improving the generation efficiency of the generator is fulfilled.

Description

technical field [0001] The invention relates to the technical field of generators, in particular to a diffuser and isolation ring and a generator. Background technique [0002] As we all know, the generator will generate a lot of heat during the working process, and the air cooling system included in it can accelerate the air circulation inside the generator to dissipate heat. [0003] Specifically, such as figure 1 As shown in the partial sectional view of the generator in the prior art, the air cooling system of the generator in the prior art includes a fan 11, an air inlet 12, an air passage 13 and an air outlet 14; wherein, the air passage 13 is arranged on the wall of the base 15 Inside, the air inlet 12 and the air outlet 13 are all arranged on the inner wall of the machine base, the air inlet 12 and the air outlet 13 are distributed on both sides of the air passage 13, and the fan 11 is arranged inside the machine base 15 and sleeved on the on the rotating shaft 16 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K9/06
Inventor 段志强何庆峰苏莫明崔浩钟绍辉陈晓杰
Owner CRRC YONGJI ELECTRIC CO LTD
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