用PC—1500计算机设计稳压电源

🏠 首页 《无线电》杂志 1989年 🔗 第2期 🔗 第31页 分类:技术市场 🔗 王贺洲 🔗

(王贺洲)在PC—1500袖珍计算机上键入下列程序,并敲入数据:直流输出电压V\(_{D}\)(伏)、电压的调节范围Vmax和V\(_{min}\)(伏)、以及输出电流最大值IL(毫安)。机器运行后将得到打印的电路图和元器件参数值。下面举例说明。

[例]输入下面数据:V\(_{D}\)=12伏,Vmax=13.2伏,V\(_{min}\)=10.8伏,IL=300毫安。机器运行输出附图所示的电路原理图和元器件参数值。

图1
图1 🔍原图 (747×311)

根据参数值查元器件手册得到:变压器6瓦、次级输出15伏;D\(_{1}\)~D4为2CZ53A;调整管T\(_{1}\)用3DD53B(β≥30);T2用3DG12A(β≥50);T\(_{3}\)为3DG6(β≥50);稳压二极管DW为2CW14;C\(_{1}\)和C3选用470μF/25V电解电容器;C\(_{2}\)用0.022μF瓷介质电容器;R1=390Ω,R\(_{2}\)=620Ω,R3=380Ω,R\(_{C}\)=2.2kΩ,RW=180Ω。按电路图装配后,实测电压范围在10.5~17.3伏之间,电源内阻小于0.4Ω,电压波动±10%时,输出直流电压变化小于100毫伏。

B:V2=15V S=6W

D1—D4:23V 1>3 mA

T1:VBceo=23V Icm=450mA Pc=4050mW hfe=30

T2: BVceo=23V Icm=15mA Pc=135mW hfe=50

T3:3DG6 hfe=50

DW:Vz=7V

C1:23V C=383

C3: 23V C=500

C2=0.022 R3=380 Rc=2300

R1=423 R2=636 RW=141

10:INPUT“VD=”;VD

20:INPUT “VM=”;VM

30:INPUT“VN=”;VN

40:INPUT“IL=”;IL

50:

60:ROTATE 1

70:CSJZE 1

80:SORCN

90:LINE(60,-10)-(60,-30)-(66,-36),0,0

100:FOR X=66 TO 106 STEP 8

110:LINE(X,-36)-(X+4,-32)-(X+8,-36),0,0

120:NEXT X

130:LINE (114,-36)-(120,-30)-(120,-10),0,0,

140:FOR I=-40 TO-41 STEP-1

150:LINE(50,I)-(130,I),0,0

160:NEXT I

170:LINE(0,-360)-(0,-60)-(90,-60)-(70,-80)-(70,-50)-(74,-44),0,0

180:FOR X=74 TO 98 STEP 8

190:LINE(X,-44)-(X+4,-48)-(X+8,-44),0,0

200:NEXT X

210:LINE(106,-44)-(110,-50)-(110,-80)-(90,-100)-(70,-80),0,0

220:LINE(90,-60)-(110,-80),0,0

230:LINE(90,-70)-(90,-76)-(94,-76)-(90,-84)-(86,-76)-(90,-76),0,0

240:LINE(86,-84),-(94,-84),0,0

250:LINE(90,-84)-(90,-90),0,0

260:LINE(90,-100)-(180,-100)-(180,-200)-(168,-208)-(180,-216),0,0

270:LINE(175,-211)-(180,-216)-(180,-360),0,0

280:LINE(0,-130)-(86,-130),0,0

290:LINE(90,-122)-(90,-138)-(94,-138)-(94,-122)-(90,-122),0,0

300:LINE(94,-130)-(180,-130),0,0

310:LINE(86,-122)-(86,-138),0,0

320:LINE(180,-160)-(160,-160)-(160,-156)-(140,-156)-(140,-164)-(160,-164),0,0

330:LINE(160,-164)-(160,-160),0,0

340:LINE(140,-160)-(120,-160)-(120,-200),0,0

350:LINE(120,-200)-(120,-270)-(98,-270)-(90,-280)-(82,-270),0,0

360:LINE(86,-272)-(82,-270)-(82,-250),0,0

370:LINE(180,-250)-(160,-250)-(160,-246)-(140,-246)-(140,-254)-(160,-254),0,0

380:LINE(160,-254)-(160,-250),0,0

390:LINE(140,-250)-(46,-250),0,0

400:LINE(0,-250)-(36,-250)-(36,-244)-(46,-250)-(36,-256)-(36,-250),0,0

410:LINE(44,-240)-(46,-246)-(46,-256)-(48,-260),0,0

420:LINE(82,-280)-(98,-280),0,0

430:LINE(90,-280)-(90,-296)-(91,-290),0,0

440:LINE(0,-300)-(30,-300)-(30,-294)-(50,-294)-(50,-304)-(30,-304)-(30,-300),0,0

450:LINE(50,-300)-(80,-300)-(80,-296)-(100,-296)-(100,-304)-(80,-304),0,0

460:LINE(80,-304)-(80,-300),0,0

470:LINE(100,-300)-(130,-300)-(130,-296)-(150,-296)-(150,-304)-(130,-304),0,0

480:LINE(130,-304)-(130,-300),0,0

490:LINE(150,-300)-(180,-300),0,0

500:LINE (0,-340)-(86,-340),0,0

510:LINE(86,-332)-(86,-348),0,0

520:LINE(94,-340)-(94,-332)-(90,-332)-(90,-348)-(94,-348)-(94,-340),0,0

530:LINE(94,-340)-(180,-340),0,0

540:LINE(0,-200)-(56,-200),0,0

550:LINE(56,-192)-(56,-208),0,0

560:LINE(60,-192)-(60,-208),0,0

570:LINE(60,-200)-(148,-200)-(160,-192)-(180,-192),0,0

580:LINE(148,-200)-(160,-208)-(156,-203),0,0

590:LINE(148,-192)-(148,-208),0,0

600:LINE(160,-208)-(168,-208),0,0

610:LINE(168,-200)-(168,-216),0,0

620:LINE(168,-216)-(90,10),9

630:LPRINT“AC 220v”

640:LINE-(140,-40),9:LPRINT“B”

650:LINE-(120,-60),9:LPRINT“D1-D4”

660:LINE-(90,-145),9:LPRINT“C1”

670:LINE-(145,-171),9:LPRINT“Rc”

680:LINE-(190,-205),9:LPRINT“T1”

690:LINE-(150,-215),9:LPRINT“T2”

700:LINE-(117,-198),9:LPRINT“*”

710:LINE-(60,-218),9:LPRINT“C2”

720:LINE-(30,-265),9:LPRINT“DW”

730:LINE-(110,-275),9:LPRINT “T3”

740:LINE-(150,-260),9:LPRINT “R3”

750:LINE-(20,-310),9:LPRINT“R2”

760:LINE-(90,-310),9:LPRINT“Rw”

770:LINE-(140,-310),9:LPRINT“R1”

780:LINE-(90,-355),9:LPRINT“C3”

790:CSIZE 2

800:LINE-(160,-360),9:LPRINT“+”

810:LINE-(15,-360),9:LPRINT“-”

820:V1=(3+VM)/0.9:V2=INT(V1/1.2+0.5)

830:VR=INT(1.1*1.414*V2+0.5)

840: ID=INT〔(IL+45)/2+0.5〕

845:SB=INT(2.3*ID*V2/1000+0.5)

850:RL=V1/(IL+45)/1000

860:C1=INT(2/RL/100+0.5

870:VC=INT(1.1*1.414*V2+0.5)

880:BV=INT(1.1*1.414*V2+0.5)

890: IC=1.5*IL:PC=INT 〔(1.1*V1-VN)*IC+0.5)〕

900: I2=IC/30;P2=INT〔(1.1*V1-UN)*I2〕

910: VZ=IVT(0.6*VD)

920:R3=INT〔(VN-VZ)/0.01〕

930: R=VD/0.01:R2=INT(VZ*R/VM):RW=INT(VZ*R/VN-R2):R1=R-R2-RW

940:RC=〔V1-(1.4+VD)〕/0.002

950:CSIZE2:LINE-(200,-400),9

960: LPRINT“B:V2=”;V2;“VS=”;SB;“W”

970:LINE-(180,-400),9

980:LPRINT“D1-D4:”;VR;“V”;ID;“mA”

990:LINE-(160,-400),9

1000:LPRINT“T1:V

Bceo=”;BV;“V”

Icm=”;IC;“m

A Pc=”;PC;“m

W hfe=30”

1010:LINE-(140,-400),9

1020: LPRINT“T2:B

Uceo=”;Bv;“V

Icm =”;I2;“m

A Pc=”;P2;“m

W hfe=50”

1030:LINE-(120,-400),9

1040:LPRINT“T3:3DG6

hfe=50”

1050:LINE-(100,-400),9

1060:LPRINT“Dw:Vz=”; Vz;“V”

1070:LINE-(80,-400),9

1080:LPRINT“C1:”;VG;“V”;“C=”;C1

1090:LINE-(60,-400),9

1100:LPRINT“C3:”;VG; “V”;“C=500”

1110:LINE-(40,-400),9:

LPRINT“C2=0.022 R3=“;R3;“Rc=”; RC

1120:LINE-(20,-400),9:

LPRINT“R1=”;R1;

“ ”;“R2=”;R2;“ ”;

“Rw=”;RW

1130:END