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ǰλ : í > Ŷ̬ > ҵ̬ >
1 Ӧ
 
¶ȷ仯ʱͲ ֮ڲ֮໥Լ ӦΪӦ¶Ӧ[1]
 
˺׻ϵֱΪ^^ģ ΪߡʯΪUtԤΪFaFt¶ ΪFctFn¶ȱ仯ΪAtݸ˺׻ ȾΪ1Ϊٶڳȷϲ ӦӦ䡣
 
ݸ˺׻ϵԤƽ⣬¶ȱ仯 ǵƽ⣺
 
Fc0 + Ft0 = 0 Fc0 + Fct = Ft0 + Ftt (1)
 
ʽ1)ɵ¶ȱ仯ݸ˺׻ϵ ȡ
 
μη̺ϵ[2]Ϊ
 
A1c=A1t
A1c=A1ct + A1cF=acAtl +
Alt = Altt+AltF=acAtl +
ʽУA4-ݸ˵ı;
 
Alt—׻ıΣ
 
AlctAlcr ——ݸ¶ȱ仯¶
 
ıΣ
 
AlttAltr ——׻¶ȱ仯¶
 
ıΡ
 
ʽ1)ʽ2)ݸ¶ӦΪ
 
(3)
 
ʽ3)֪ݸ˺׻ϵ ģ仯ʱݸ¶Ӧ¶ȱ ΪԹϵ
 
2ֲĹԭ 2.1Ӧʽ
 
ӦƬԭǻڽӦ ЧӦ·еʱ ֵܻеεı仯仯 [3]ʵòʽӦƬвԸ ʲIJԲ·¶Ȳ
 
2.2ѹʽѹ
 
ѹʽùѹЧӦ΢Ӽ Ƴɵİ뵼뵼ӦƬĹԭ ڰ뵼ϵĵ仯ѹЧ ӦIJһԲιĤƬĤƬü ɵ·Ĺշɢ4ֵͬİ뵼Ӧ 衣ĤƬߴѹʱڹĤƬϲ
ӦĤƬϵ4ֵӦ£ ֵ仯һԱһԱСʹʧȥƽ ⣬뱻ѹɱĵѹ[4]
 
3 3.1Ԥ
 
ڳ²ݸ˵ԤȽַ ʹýӦʽѹõ ӦֵΪ368.7MPaʹѹʽѹ ӦֵΪ395.6MPaӦ䴫IJ Ϊ6.8%ֲԭ ŴλԼֲԷ ѹʽѹð뵼ϵɢ ӳɻ˹ͨŵ4ֵ ȫȣɢĸ¶ϵҲһ ȡЩԭ·ʱײλ Ưƺλ¶Ư[^61λѹڲ µŵѹʱʹû˹ͨţ ԴѹΪ3 VR1=R2=R3=RR4=0.99RѹΪ
 
Vnr = V-RR4-RR--(4)
 
Voc Vs (Ri+R2)(R3+R4) 1
 
λѹΪ7.5mVѹ IJԽУڽϴλ˲Խ ƫ󡣲֮ǰÿӦƬֵ 飬ʹõĸӦƬֵͬλ СӦʽõݸԤӽ ʵֵ
 
3.2¶ӦԽ
 
ԼڿУֲ ͬʱв1ʾ¶Ӧ ¶ȵı仯ϵͼ2ʾϵΪ 12x10HϵΪ23x10"VTԼΪ 2¶ʱ׻ݸˣ ݸ˲¶Ƚʱ׻ ͬҪݸ˿죬Ԥã Ȼһݸϲ ѹͼ2ԿʹѹӦ ʽõ¶Ӧ¶ȱ仯 ͬģӦʽõѹӦֵ ѹIJ
ӣhttp://www.lamaoding.cn/xingyedongtai_131.html

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