Electric reactor
A reactor and square column technology, applied in the field of electronic components, can solve the problems of large coil distributed capacitance, high cost, large coil leakage inductance, etc., and achieve the effects of small coil distributed capacitance, long service life and small coil leakage inductance
Active Publication Date: 2016-05-11
SHENZHEN YAMAXI ELECTRONICS
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Problems solved by technology
[0004] However, the reactor in the prior art has the following disadvantages: (1) The magnetic core module has many components, the power density is small, the structure is complicated and the cost is high; (2) the distributed capacitance of the coil is large; (3) the leakage inductance of the coil is large
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[0020] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0021] Please refer to Figure 1 to Figure 3 , the present invention provides a reactor, comprising: a square column iron core 1, wherein the square column iron core 1 can adopt an ultra-thin high magnetic permeability oriented silicon steel sheet; a non-magnetic stainless steel splint 2 is arranged on the square column iron core 1 On the opposite two surfaces, thereby increasing the mechanical strength; the noise-reducing silicone rod 3 is protrudingly installed on the non-magnetic stainless steel splint 2; the coil 4, the outside of the non-magnetic stainless steel splint 2 is sequentially set with multiple coils from top to bottom 4. There is a first insulation isolation plate 5 between two adjacent coils 4, and the free end of the noise-reducing...
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The invention provides an electric reactor, which comprises square column cores, non-magnetic stainless steel clamping plates, noise-reduction silica gel rods, a plurality of coils, an upper yoke core and a lower yoke core, wherein the non-magnetic stainless steel clamping plates are arranged on opposite two surfaces of the square column cores; the noise-reduction silica gel rods are arranged on the non-magnetic stainless steel clamping plates in a protruding manner; the plurality of coils sequentially sleeve the outside of each non-magnetic stainless steel clamping plate from top to bottom; a first insulating and isolating plate is arranged between two adjacent coils; free ends of the noise-reduction silica gel rods are propped against the inner walls of the coils; the upper yoke core is arranged at the upper ends of the square column cores; a second insulating and isolating plate is arranged between the upper yoke core and the coil nearest to the upper yoke core; the lower yoke core is arranged at the lower ends of the square column cores; and a third insulating and isolating plate is arranged between the lower yoke core and the coil nearest to the lower yoke core. The electric reactor has the characteristics of being simple in structure, low in cost, small in coil stray capacitance, small in coil leakage inductance and long in service lifetime.
Description
technical field [0001] The invention relates to the field of electronic components, in particular to a reactor. Background technique [0002] In recent years, considering environmental pollution and energy security, the research on electric vehicles has developed rapidly. Electric vehicles include three categories: pure electric vehicles, hybrid vehicles and fuel cell electric vehicles. Bidirectional DC / DC converter is an important technology applied to electric vehicles. At present, battery electric vehicle technology has developed relatively maturely, but due to the poor reliability of batteries and small energy storage, the research on hybrid vehicles combining electric and internal combustion engine drive has become the development focus of some enterprises and research institutes in China. [0003] A hybrid electric vehicle consists of three parts: a brushless DC generator, an inverter, an AC motor for driving, a battery, and a bidirectional DC conversion. Its workin...
Claims
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IPC IPC(8): H01F27/26H01F27/30H01F27/28H01F27/08
CPCH01F27/263H01F27/266H01F27/2876H01F27/306
Inventor 吴雁行丘庆荣
Owner SHENZHEN YAMAXI ELECTRONICS