Расчет транзисторного ШИП

Расчет транзисторного ШИП

?????®???®?? ??????????? ©??????

???????©????? ???©????®?????? ????®?????????? ???®?®©®

??™???? ????®?????? ? ????®??®??????

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? ?????®??? ???S??? ?? ™????????S

•????®?????? ???????????-?????? ? ???????????®?????? ©?®????®???

?? ®??©: •???S?????®???S ?S®S???®??©? ????????????©?

??S??????®??S?? ™?? ?????®?©? ??S???????®?™? ?????????©? ?????

??????????: ???™S?? ©????? ?-41-?

????®?? ?.?.

??????: ®???S??? ?.?.

©. ??S?S???©

1998©.

ВВЕДЕНИЕ

???????®?™????®?S ??S??????®??S?? ® ??S???????®?™?? ?????????©? ?

?S?S?S???©? ???? ™????? ?™?®?S?®?????????? ??S??®????? : ™®????????S?

???®?™?????? ??S?©?? ?S?™? ?????????? ??????? ? ????????S????? ™®?©??S?S?,

?®???????? ??©?????? ??S??????®??S??; ????©? ®???™??©? ???????®?S???;

?S????? ®?S??S? ??????S??????? ? ????? ??S??????????, ®?????©? ??? ,

™?????????? ?S?S©???????? ???????????, ®?????? ???S???????S??????, ?????

????? ? ©???????®, ???????®?? ®?????? ?? ?S??.

?S?S????S???? ??S??®????? ® ????????S? ??S?S?? ?™?®?S?®?????

????????????S ??S??????®??S??, ????????S ® ?S???S ?S?S????S??? ? ???????S??

?? ????????? ?????????©? ??????S???. ®???S ??S??????®??S?? ????????

???®???S ???????- ?????????? (¬??).

ИСХОДНЫЕ ДАННЫЕ :

??????? ? 36 :

?®?©??S?? - ???132?©3

?S??? ????®?S??? - ????S?S™??S

?????S??? ?S?? - ?™???????S ?’220?

®S????S???S ™????S ™®?©??S?? :

|Номинальный момент, |35 |

|Н*М | |

|Номинальная частота |600 |

|вращения, об./мин. | |

|Номинальное |53 |

|напряжение, В | |

|Номинальный ток, А |50 |

|Сопротивление |0,0574 |

|обмотки якоря при | |

|150оС., Ом | |

|Индуктивность |0,422 |

|обмотки якоря, мГн. | |

?S???S?™?S??? ??S?S????? ???? ? ?????®??? ?????

????®?S??? ????????????©? ??S??????®??S?? :

|СС реализовать на основе К555ТМ9 |

|В ПКВИ использовать К555ТВ9 и К555ИЕ18 |

|РИ реализовать в базисе И-ИЛИ-НЕ на 555 серии |

|СРН реализовать на К555КП15 |

|ГИ выполнен на 555 серии по схеме на рис.1. В нижнем по |

|схеме положении движка резистора R4 частота генератора : |

???.1. ?S?S????? ????????®

1. Функциональная схема преобразователя

??©????? ????®??, ?S????™??? ????S?????®??? ?????????????

??S??????®??S?? ™?? ????®?S??? ™®?©??S?S? ?????????©? ???? ? ???????

??????? - ?????????©? ??S??????®??S??, ????????????S ????? ??????©?

®????S?? ?? ?????®?? ??S?S ? ???????? ® ?S???S ????S?S™??©? ????®?S???.

??????? ?????®??S? ?????????????? ??S?? ??S??????®??S?? :

??S??????®??S?? ??™S???? : ??S??????®??S?? ??™? ®? ®?S?S???? ???S?®??

(????), ??S?? ????????????? (??), ??S?? ??®S???®? ???? (???),

?????S™S???S?? ????????® (??), ????????????S ????? ®?1-®?4 ? ?????®S???

™®?©??S?? (?).

??????S? ??S??????®??S?? ??S™????? ??????? :

?? ®??™ ???? ??™????? ??™ ?????©????®???? ? ? ??©??? ?? ??S?? ?????????????

???. ? ®???™? ???? ?? ®??™ ?????S™S???S?? ????????® ??™?S??? ??©??? ?,

™???S??????? ??????©? ??????????????? ??™? ?. ????S ??©?, ??????? ??

????®???? ??©???? ???? ? (???? ??™? ?), ??????S ??????S??S ?1 ?? ??S??

?????????????? ? ??©??? ? ?? ??S?? ??®S???®? ???? ??©???? ?????©????®????

(???). ?? ????®??S? ??????? ????S? ®?1-®?4, ??S??S??®?? ????S?S™??? ?S???

??????.

2. Составление принципиальной схемы преобразователя и расчет параметров ее

элементов.

2.1. Расчет неуправляемого выпрямителя.

??? ??????? ??S??????®??S?? ????™?????? ???????? ???????,

??S??S??®????? ??????S??? +53?, +5?, ±12?. ? ?S??? ??S???S??? ???S? ™??

?????®?? ????? ????S??? ??™S????? ?????????????.

? ???S??®S ™??™?® ??1-??4 ????S??? ?? 122-150-4 ? ???????????? ?????

150 ? ? ???????? ??????S??S? 400 ?, ? ® ???S??®S ??5-??16- ??202?.

????????? ??????? ®1 ?????????? ?? 53? 50?, ??????? ?? ®2 -9? 1?,

??????? ??? ? ?? - ?? 12? 1? ???™??.

??? ???????????? ??????S??? ????S?S?? ???S©??????S ?????????????

?S??? ??142?? 5 ? 12? ????®S???®S???.

2.2. Расчет транзисторного ключа

????®?? ????????????? ¬?? ?®??S??? ????®?? ????????????? ???? (®?),

??????? ??S™???®??S? ????? ???????????? ??????S???S ?-®?, ??™S????SS ??S??

???®???? ? ????S???. ?™?? ?? ®???????® ®? ??S™???®?S? ?? ??????S 2. ??S??

??™S???? ®???™??S ??????????? ??6, ??7, ®????S???S ?? ??S?S ??????©???? ?

???????? ™??™?? (??2); ?????????? ??7 ? ™??™ ??2 ??©?? ??™S????? ?S???????

??????S???? ®????S???? ???????®. ??S™®???™??? ?????™ ®?????S? ??

???????????? ??2-??5. ??S?? ??™S???? ????S ©???®????S???? ???®????

(???????? ??1). ??????S ??S™®???™??©? ??????S?? ? ????????® ????®?S???

????S??®??S??? ?? ??™S????©? ????S??????©? ????????? ?? ??S™?S? ??????.

?????? ????®?©? ????????????©? ????? ????S??®??S??? ??S™?????

???????: ??? ???????®?? ????®?????? ????????® ??’0, ?? ®???™S ????????

??SS? ?S??? ??©??S???? ????, ??????????? ??2-??4 ???S???, ? ?????????? ??5

??????. ??? ???? ?? ????®?? ?S?? ???????????® ??6,??7 ?S?S? ?????????? ???.

??? ??™??S ??©???? ????®?S??? ?? ??1 (??’1) ?????????? ??????????? ??2-??4,

??????S??? ?????????? ??5 ? ?? ????®?? ?S?? ???????????® ??6,??7 ?S?S?

?????????? ????®?? ???, ?.S. ????????????? ???? ?????®?S??? ® ????????

?????????. ???™ ??2, ®????S???? ??????S???? ®???™???? ?????™? ®?, ??????

™?? ???™???? ???? ???? ??©????? ® ¬??.

???. 4. ??S?? ????????????©? ?????

?????®S™S? ????S? ?????S???® ????? ? ®??S?S? S©? ??S?S??? .

???S™S??? ??????S??S ????????? ??????? ?? ?? ????®?? :

??’(1,1...1,2)??™’60?.

????™? ?? ????®?? ??S??S?S??? ?????? ?? ???????? , ®?????S?

?????????? ??7 :

??_???>2*??’2*50?

??????S? ® ???S??®S ®???™??©? ??????????? ?????? ????? ???????

???200??120??2 ?? ??S™?????? ?????S????? :

?X??’1200?

?X??’1200?

?X’2?200“

?21?’30

? ?™??? ??????S ? ?S©? ??™S?????? ™®? ®????S???? ?? ?????????®??

??S?S ???????????, ??? ???®???S? ????S???? ?™?? ?????? ?? ™®? ?????.

???????????? ??? ????S????? ??????????? ??6:

??_???(??6)’??_?(??7)/?21?’50/30’1,66 ?

??????S? ??6 ????™? ?? ??S??®???? :

???_???>??’60 ?

??_???>??_???(??6)

?? ????®?????? ®?????S? ?® 819?.

???S™S??? ?8 ?? ????®?? ??S??S?S??? ??? ?? ???S ??7

€???(??7) ’(0,1...0,3) ??’6,0?

?8’???(??7) /????(€??7)’6/0,08’75 ??

???S™S??? ????S?®?S??? ???????? :

??8’?2???*?8’(0,08)2*75’0,48 ??.

?????©???? ???S™S??? ?7:

???(??6) ’(0,1...0,3) ??’6,0?

?7’???(??6) /????(€??6)’6/0,01’600 ?? ; ???????S?

????™?????S ????S??S ?? ??™? ?24 ?7’620 ??

???S™S??? ????S?®?S??? ???????? :

??7’?2???*?7’(0,01)2*620’0,062 ??.

?6 ®?????S? ????™? ?? ??S??S??? ??S?S?? ?????S??? ????? ®

??????®?®?S??? ?S???S ? ®???????©? ?7.

, ©™S :

( ?? ) ;

?? ????™?????©? ??™? ®?????S?

?’68 ??

???S™S??? ????S?®?S??? ???????? :

??6’?2??*?6’(1,66/12)2*68’1,3 ??.

???S?S? ??????????? ??S™®???™??©? ?????™?. ????S??? ?? ?? ?????????

±12? ?? ??S™?S? ??????. ???S?S? ??4,??5 :

???’??/??’12/68’0,176 ?

???????? ?? ????S????S ??????????? :

???’??2/??’2 ??

????™? ?? ®??S???®????? ????S??S®, ®?????S? ??????????? ?®814?,

?®815?. ? ???S??®S ???????????® ??2-??3 ????S? ?? ?S ?????S?S??????? ????.

?S?????? ?5 ?? ????®?? ?©?????S??? ???? ® ?S?? ?-? ??3 ?? ???®?S 30?“

®?????S?:

?’12/0,03’400 ?? [ 390 ?? ]

???????? ????S???? ?5 :

?’(0,03)2*390’0,351 ??

?S?????? €?4 ®?????S? ????? ?? ????®?? ??S??S?S??? ??? ?? ???S ??3, ?

?3- ™?? ??S??S?S??? ???? ® ?S?? ?-? ??2 ?? ???®?S 10??.

??’12/0,01’1,2 ??? ;

???????S? ?3’1,1 ???, ? ?4’100 ??.

?2, ????™? ?? ???????????©? ???? ?S?S? ?????????? ????????:

????’5?“

?2’12/0,005’2,4 ???

?????S??? ?1 ????????®????? ® ??.

???™ ??1 ??S???????S? ™?? ?®S???S??? ???????? ?S?S????S???

???????????®, ????S??? ?? 209?. ??2??S™??????S? ™?? ???™???? ???? ????

??©?????, ????S???

2.3. Преобразователь кода временных интервалов

? ????®S???®?? ? ????®?S?, ???? ?S????™??? ?S?????®??? ?? ???????S???

?S??? ?555 ? ????????®???S? ?555??18 ? ?555®?9.

??S?? ?S???????? ???? ???®S™S?? ?? ??????S 5, ? ®?S?S???? ™??©?????

?????? - ?? ??????S 6 :

???. 5. ??S?? ????

??S?? ??????S? ??S™????? ??????? :

?? ®??™ ??S?? ??®??™S??? ??3.“ ??™????? ???????? ??? ?? ?????®?©?

©S?S??????. ? ???S™S?S???S ???S??? ®?S?S?? ??S?? ????????????? ®???????®?S?

?????®?S ???????? ? ???, ??????S ??????®??®??? ???©©S? ??2.“ ® ????????S

•1?, ?™??®?S?S??? ??????®?? ??™ ? ® ??S???? ? ????S??? ??????™S??S

????????® ?? ®??™ ??S????? ??4. ®?? ??? ??™ ? ??S™???®?S? ® ™???????S?????

??™S, ??? ??S?S ??S???? ??™S? ???????? ?? ®???????S, ? ® ??? ???S??, ??©™?

™??????S? ™? ????, ??????? ? ®???™? ?S?S????S??? ?2 ®??®????? ® ????™??S

????????S ???©©S? ??2.“, ???????, ® ?®?? ??S?S™?, ???®?S? •0? ?? ®???™S

????S??S? ??????™S??S ?????®?? ????????® ?? ®??™ ??S????? ?S?S? ??S?S??

??3.“. ????™??? ??©??? ?, ™???S??????? ??????©? ??????????????? ??™? ?,

?????S??? ? ®???™? ???©©S?? ??2.“. ??S?S???? ™??©????? ?????? ????

??S™???®?S?? ?? ??????S 6 :

2.4. Распределитель импульсов.

??? ??™??? ® ???S™S?S???S ???S??? ®?S?S?? ????®?????? ??©????® ??

????®S???®????S ????????????S ????? (®?) ????????S??? ?????S™S???S??

????????® (??).

? ????®S???®?? ? ????®?S?, ?S????™??? ?S?????®??? ?? ® ?????S ?-???-

?? ?? 555 ?S???. ?S?????S? ?? ?? ?555??11 ? ™???????S????? ??©??S.

???. 7. ??S?? ??

??©????? ?????? ?? ™? ????S?S™??©? ????®?S??? :

??1’? v1 ???? ? + ? v1 ???? ? + ? v1 ???? ?

??2’? v1 ???? ? + ? v1 ???? ? + ? v1 ???? ?

??3’? v1 ???? ? + ? v1 ???? ? + ? v1 ???? ?

??4’? v1 ???? ? + ? v1 ???? ? + ? v1 ???? ?

??S??, ?S????????? ™????S ??????? ???®S™S?? ?? ??????S 7. ???

????®?S??? ?®S??™??™??? ??????? ????S?S?? ??S?S??? 2?-?? ? ??. ????????S?

?????©??????®????S ?S??????? ® ?S??? ?®S??™??™?® ??????? :

?’?/?’5/0,010’500 ?? ; ®?????S? ???????SS ????S??S ?? ????™?????©?

??™? 510 ??.

????S?®?S??? ?S???????? ???????? :

?’0,012*5’0,0005 ??

2.5. Схема синхронизации :

? ????®S???®?? ? ????®?S?, ??S?? ????????????? ?S????™??? ?S?????®???

?? ?555®?9.

€€???. 8. ??S?? ?????????????

????S? ??????? ??™???S©? ©S?S?????? ??? ’ 32 ???.

????????S? ?????S??? ?? :

? ????S? ?? ??S?S ?????S??? ™®???? ?4 ??????? ??©???? ??®?? :

?’1/(1,4*?1*X1)

????S? ?1’470 ?™, ??©™?

?1’(1/32000)/(1,4*4,7*10-10)’44642 ??, ????S? 47 ???

??S?? ????????????? ?? ??2 ®???????®?S? ???????? ???? ™?? ???? ?

??S???????? ??????? ??©??? ?1 ™?? ??.

2.6. Схема равенства нулю

?? ®??™ ???? ??S?? ???????S? 4-?????™??? ??™ ?????©????®???? ?, ? ??

®???™S ??????S??? ??©??? ?, ????S? ? ’ 1 , S??? ??™ ? ?S ??®S? 0, ? ?’0,

S??? ??™ ?’0. ??©????? ????®??, ??? ™????? ???? ??????? ?? ????????S????S

?555??15.

®.?. ????????S???? ??SS? 8 ®??™?®, ? ??™ ? 4-? ?????™???, ?? ?S????????S??S

®??™? ? ?? ??????? ????? ®????? ®??™? ??™?S? ??©. •0?. ?? ????? ®????? ?1

??™?S? ??????? ? ?????®?©? ©S?S??????, ?? ?2 - ???????? ? ®???™? ?S?®?©?

???©©S?? ™S???S?? ??????? - ????? ??????? ??™?? ????????? ?S?S???????? ®?S

?????™? ??™? ?. ??? ??????? •1? ???? ?? ?? ?™??? ?? ??? ® ??- ???©©S?

?????S??? ?? ?S S™????? - ????? ??????? ???????S??? ??©??? ?. ?S??S??? ®

????™??S ????????S ??- ???©©S? ????????? ?? ?? ??S?? ????.

???.9. ??S?? ??®S???®? ????

3.0. Заключение

? ?S???????S ®?????S??? ™????©? ?????®?©? ???S??? ??? ????S?????®??

????????????? ???????- ?????????? ??S??????®??S?? ™?? ?S©?????®?? ?©??®??

???????? ®???S??? ??®.