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基于SPMC75单片机的通用变频器方案

摘 要:本文主要介绍利用SPMC75F2313A单片机和IPM模块FSBB20CH60实现通用变频器的方案.
关键词:SPWM、SPMC75、DSP、IPM、通用变频器.

变频已成为当今社会一个炙手可热的名词,可他真的像人们想象中的那么神秘吗?本文将带领大家解开变频器这层神秘的面纱.
交流电机具有结构简单、制造方便、运行可靠,价格低廉等优点,但却不像直流电机那样容易实现经济的宽范围的平滑调速.在这种形式下,变频器应运而生.其主要功能就是将直流电通过功率电子开关的不同开关组合逆变为频率、电压可变的正弦波形式的交流电,从而来拖动交流电机,实现交流电机的平滑调速.
本文主要介绍利用SPMC75F2313A和IPM(FSBB20CH60)实现通用变频器的开发.SPMC75系列单片机是由台湾凌阳公司新推出针对工业和家电变频专用的MCU.它是μ’nSP系列产品的一个新成员,它在4.5V~5.5V电压范围内的工作速度范围为0~24MHz,拥有2K字SRAM和32K字闪存ROM.最多具有64个可编程的多功能I/O端口;5个通用16位定时器/计数器,且每个定时器均配有硬件PWM生成、捕获功能;配有专用的光栅编码和霍尔信号输入接口;2个专用于定时可编程周期定时器;可编程看门狗;低电压复位/监测功能;8通道10位模-数转换.SPMC75系列单片机在电机控制领域有相当优秀的表现.(详细的原理图、程序源代码资料可到2 硬件电路
2.1 系统硬件框图
本系统分为主控板和功率板两部分,系统使用SPMC75F2313A作主控CPU、6N137为高速信号隔离、FSBB20CH60为功率模块.
主控板由主控MCU及其周边的数据存贮、键盘、显示和各种接口等几部分组成,功率板由供电系统、IPM功率模组等几部分构成.系统的硬件结构如图2-1所示:
基于 SPMC75 单片机的通用变频器方案
图 2-1 系统硬件框图
2.2 硬件原理图
2.2.1 MCU电路
MCU采用凌阳SPMC75F2313A_SDIP42,是整个系统的控制核心,主要完成SPWM信号的产生、键盘扫面、显示信息的处理、数据存储、各种检测、保护等各种事件的协调和控制等功能,其外围电路及各引脚分配情况如图2-2:
基于 SPMC75 单片机的通用变频器方案
图 2-2 MCU电路
2.2.2 数据存储电路
数据存贮采用IIC协议4K Bit的EEPROM芯片AT24C04,电路如图2-3所示:
图 2-3 存储电路原理图
基于 SPMC75 单片机的通用变频器方案
2.2.3 键盘接口
键盘使用4个IO口实现2×3键盘设计,具体的电路如图2-4所示:
图 2-4 键盘电路
2.2.4 模拟频率设定接口电路
频率控制通过3种方式实现:按键、电位器(频率模拟设定)、上位PC机.其中频率模拟设定接口电路如图2-5所示,WR1为电位器,通过AD转换实现频率的模拟设定.
图 2-5 频率模拟设定电路
2.2.5 显示驱动电路
显示驱动接口电路如图2-6所示,这部分是一个普通的5位7段数码管(6个LED当作一位数码管)的动态扫描显示驱动电路,采用两片74HC595串连,阴极直接采用595进行驱动,而阳极通过74HC595驱动的三极管进行驱动.
基于 SPMC75 单片机的通用变频器方案
图 2-6 显示电路
2.2.6 通信接口电路
通信链路主要用于与外接或PC机通讯,电路采用全双工的RS-232接口器件MAX232,如图3-7:
基于 SPMC75 单片机的通用变频器方案
图 2-7 通讯接口电路
2.2.7 仿真接口电路
SPMC75F2313A单片机支持在线仿真、调试、烧录,接口电路非常简单,如图2-8:
图 2-8 仿真接口电路
2.2.8 电源供给电路
电源供给电路采用传统的EMI滤波电路,电容C4、C5、C6主要用于滤除差模干扰,而电容C1、C7、共模扼流圈则既可滤除共模干扰,又可虑除差模干扰;继电器JZC-33F与电阻R3为软启缓冲电路,主要用于抑制上电瞬间的电流冲击,保护整流桥不被烧毁.如图2-9:
图 2-9 电源供给电路
基于 SPMC75 单片机的通用变频器方案
2.2.9 开关电源电路
电源供给电路采用高效率的开关电源,以TOP233Y为主控元件,为系统提供低压工作电源和IPM驱动电源,如图2-10.
图 2-10 开关电源电路
2.2.10 IPM隔离驱动
图2-11是IPM隔离驱动电路,实现高压直流和MCU部分的电气隔离,保护MCU.图中的6N137为高速光耦,其完成PWM信号的隔离,为了保证驱动能力,在光耦过后使用74HC04将信号反向并增强其驱动能力.由于SPMC75F2313A单片机具有自动插入死区功能,所以隔离驱动电路在硬件上没有必要再插入死区.
基于 SPMC75 单片机的通用变频器方案
图 2-11 PM隔离驱动电路
2.2.11 IPM功率放大电路
如图2-12,功率模块采用美国Fairchild公司的6单元智能功率模块FSBB20CH60,,它最大耐压600V,最大电流20A,并具有过压、过流、短路及过热保护功能.为了简化开关电源设计的复杂程度,IPM驱动电源采用自举电源形式,整个IPM只用一路15V驱动电源即可. 图 2-12 IPM功率放大电路
基于 SPMC75 单片机的通用变频器方案
2.2.12 直流电压电流检测
直流电压电流检测电路原理如图 2-13所示,电流和电压信号经LM358和HCNR200后变为电流信号,再经LM358转换成电压信号后送到MCU的IOA2、IOA3,实时监视直流电压和电流.
图 2-13 直流电压电流检测电路
3 程序结构
3.1 感应马达V/F控制
3.1.1 感应马达V/F控制原理
在电机调速时,最重要是要保持磁通mΦ为额定值不变.在直流电机中,励磁系统独立,只要对电枢进行合适的补尝,保m 持 Φ不变很容易.而在交流异步电机中,磁通是定子和转子的磁势合成的.而且满足:
mNgkNfEΦ=11144.4 (3-1)
式中:
gE——气隙磁通在定子每相中的感应电动势的有效值;
1f——定子频率;
基于 SPMC75 单片机的通用变频器方案
1N——定子每相绕组的串联匝数;
1Nk——基波绕组系数;
mΦ——每极气隙磁通量;
由式(3-1)可知,只要控制好和,便可达到控制磁通gE1fmΦ的目的,为此,得考虑基频以下和基频以上两种工作情况.
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rayile
LV.1
2
2008-04-23 16:14
想用您的方案,请报个价?
联系人:张生
TEL:0577-88580528
wawa1868@163.com
0
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yuyuxin20
LV.2
3
2008-04-23 16:29
@rayile
想用您的方案,请报个价?联系人:张生TEL:0577-88580528wawa1868@163.com
能给我发一份电子的吗
你的方案不错
yuyuxin20@163.com
0
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andyzhugf
LV.1
4
2008-05-16 12:08
@yuyuxin20
能给我发一份电子的吗你的方案不错yuyuxin20@163.com
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NDS7002A FAIRCHILD
FGA25N120ANTDTU_F109* FAIRCHILD
FGB40N6S2 FAIRCHILD
FGH20N6S2D FAIRCHILD
FGL60N100BNTD SS TRANSISTOR
FMG2G150US60E FAIRCHILD
FMG2G300US60E FAIRCHILD
HGTG11N120CND INTERSIL PRODUCT
HGTG12N60C3D INTERSIL PRODUCT
HGTG18N120BND INTERSIL PRODUCT
HGTG27N120BN INTERSIL PRODUCT
HGTG5N120BND INTERSIL PRODUCT
HGTP12N60C3 INTERSIL PRODUCT
SGH10N60RUFDTU HP_IGBT
SGH15N60RUFDTU FAIRCHILD
SGH20N60RUFDTU FAIRCHILD
SGH23N60UFDTU FAIRCHILD
SGH30N60RUFDTU FAIRCHILD
SGH40N60UFDTU FAIRCHILD
SGH80N60UFDTU FAIRCHILD
SGL160N60UFDTU SS MOSFET
SGL25N120RUFTU SS MOSFET
SGL50N60RUFDTU SS MOSFET
SGP10N60RUFDTU FAIRCHILD
SGS10N60RUFDTU FAIRCHILD
ISL9R1560G2 HP_FRD
ISL9R3060G2 INTERSIL PRODUCT
ISL9R3060P2_NL INTERSIL PRODUCT
ISL9R860PF2 INTERSIL PRODUCT
RHRG30120 INTERSIL PRODUCT
RHRG75120 INTERSIL PRODUCT
RHRP15120 INTERSIL PRODUCT
RHRP1560 INTERSIL PRODUCT
RHRP30120 INTERSIL PRODUCT
RHRP3060 INTERSIL PRODUCT
RHRP860 INTERSIL PRODUCT
RURG3020CC INTERSIL PRODUCT
RURP1560 INTERSIL PRODUCT
FCPF11N60 SS MOSFET
FDH047AN08A0 FAIRCHILD
FDP047AN08A0 FAIRCHILD
FDP3651U FAIRCHILD
FDP39N20 FAIRCHILD
FFA20U40DNTU FAIRCHILD
FFA20U60DNTU FAIRCHILD
FFA30U60DNTU FAIRCHILD
FFA60UP20DNTU FAIRCHILD
FFAF40U60DNTU FAIRCHILD
FFH50US60S FAIRCHILD
FFP20UP20DNTU FAIRCHILD
FFPF10U30DN HP_FRD
FFPF20U60STU FAIRCHILD
FFPF20UP20DPTU FAIRCHILD
FFPF30U60STTU FAIRCHILD
FQA10N60C FAIRCHILD
FQA11N90C FAIRCHILD
FQA13N80 FAIRCHILD
FQA140N10 FAIRCHILD
FQA160N08 FAIRCHILD
FQA24N60 FAIRCHILD
FQA28N50 FAIRCHILD
FQA38N30 FAIRCHILD
FQA40N25 FAIRCHILD
FQA65N20 FAIRCHILD
FQA6N90 FAIRCHILD
FQA70N15 FAIRCHILD
FQA90N15 FAIRCHILD
FQD3N60TF SS MOSFET
FQL40N50 FAIRCHILD
FQP13N50C FAIRCHILD
FQP17P10 FAIRCHILD
FQP18N50V2 FAIRCHILD
FQP19N20C FAIRCHILD
FQP20N06 FAIRCHILD
FQP27N25 FAIRCHILD
FQP2N60C FAIRCHILD
FQP30N06 FAIRCHILD
FQP33N10 FAIRCHILD
FQP3N90 FAIRCHILD
FQP46N15 FAIRCHILD
FQP47P06 FAIRCHILD
FQP4N80 FAIRCHILD
FQP50N06 FAIRCHILD
FQP55N10 FAIRCHILD
FQP5N50C FAIRCHILD
FQP5N60C FAIRCHILD
FQP65N06 FAIRCHILD
FQP70N10 FAIRCHILD
FQP7N40 FAIRCHILD
FQP7N80C FAIRCHILD
FQP85N06 FAIRCHILD
FQP8N60C FAIRCHILD
FQP9N50C FAIRCHILD
FQP9N90C FAIRCHILD
FQPF10N20C 8K/CTN FAIRCHILD
FQPF10N60C 8K/CTN FAIRCHILD
FQPF11P06 8K/CTN FAIRCHILD
FQPF12N60C FAIRCHILD
FQPF13N50C 8K/CTN FAIRCHILD
FQPF17P06 FAIRCHILD
FQPF18N50V2 FAIRCHILD
FQPF3N80C HP_MOSFET
FQPF3N90 FAIRCHILD
FQPF4N90C FAIRCHILD
FQPF4N90CT 8K/CTN FAIRCHILD
FQPF50N06 FAIRCHILD
FQPF5N50CFTU 8K/CTN FAIRCHILD
FQPF5N60C FAIRCHILD
FQPF6N60C FAIRCHILD
FQPF6N80 8K/CTN FAIRCHILD
FQPF6N80C 8K/CTN FAIRCHILD
FQPF7N65C FAIRCHILD
FQPF7N80 FAIRCHILD
FQPF8N60C FAIRCHILD
FQPF9N25C FAIRCHILD
FQPF9N50 FAIRCHILD
FQPF9N50C FAIRCHILD
FQS4903TF SS MOSFET
FQU1N60CTU SS MOSFET
FQU1N60TU SS MOSFET
FQU2N60CTU FAIRCHILD
HRF3205 HP_MOSFET
IRF530A SS MOSFET
IRF540A SS MOSFET
IRF730B SS MOSFET
IRF740B SS MOSFET
IRF830B SS MOSFET
IRF840B SS MOSFET
IRFP150A SS MOSFET
IRFP450B SS MOSFET
IRFP460C SG MOSFET SOUTH KOREA
IRFR220BTF_FP001 SS MOSFET
IRFR420BTM SS MOSFET
IRFS740B SS MOSFET
IRFS840B SS MOSFET
IRFU210BTU_FP001 SS MOSFET
RFD14N05L INTERSIL PRODUCT
SFP9530 SS MOSFET
SFP9630 SS MOSFET
SFP9640 SS MOSFET
SSH70N10A SS MOSFET
SSU2N60BTU SS MOSFET
BU406TU SSPOWER TR
FJA13009TU SSPOWER TR
FJAF6810TU TRANSISTOR
FJE3303H1TU SSPOWER TR
FJE3303H2TU* HP_BJT
FJP13007H1TU SSPOWER TR
FJP13007H2TU SSPOWER TR
FJP13007H2TU_F080 SSPOWER TR
FJP13009H2TU SSPOWER TR
FJP13009H2TU_F080 SSPOWER TR
FJP13009TU SSPOWER TR
FJP3305H1TU SSPOWER TR
FJP3305H2TU SSPOWER TR
FJP5027RTU TRANSISTOR
FJP5027RTU_F080 TRANSISTOR
FJPF13007H2TU SSPOWER TR
FJPF13009H2TU SSPOWER TR
KSD1691YSTU SSPOWER TR
KSE13003-H1ASTU SSPOWER TR
KSE13003-H2ASTU SSPOWER TR
KSE13003T-H1ATU SSPOWER TR
KSE13005-H1ATU SSPOWER TR
KSE13005-H2ATU SSPOWER TR
TIP122TU TRANSISTROR
TIP126TU SSPOWER TR
TIP142TTU SSPOWER TR
TIP142TU SSPOWER TR TO-3P
TIP147TTU SSPOWER TR
TIP31CTU SG POWER TR 8K/CTN
TIP32-CTU SG POWER TR
TIP41-CTU SG POWER TR
TIP42-CTU SG POWER TR
TIP50TU T.R.
FSAM30SH60A FAIRCHILD
FSBS3CH60# FAIRCHILD
2N7000_D26Z (ASTEC) FAIRCHILD
2N7002 (ASTEC) FAIRCHILD
2N7002_NL (ASTEC) FAIRCHILD
BSS123 (ASTEC) FAIRCHILD
BSS138 (ASTEC) FAIRCHILD
BSS84_NF40 (ASTEC) FAIRCHILD
FDA79N15 (ASTEC) FAIRCHILD
FDB035AN06A0 (ASTEC) FAIRCHILD
FDB3652 (ASTEC) MADE IN MALAYSIA
FDH047AN08A0_NL (ASTEC) FAIRCHILD
FDN5630 (ASTEC) FAIRCHILD
FDP038AN06A0 (ASTEC) FAIRCHILD
FDP047AN08A0_NL(ASTEC) FAIRCHILD
FDP060AN08A0_NL (ASTEC) FAIRCHILD
FDP6030BL_NL (ASTEC) FAIRCHILD
FDP8870 (ASTEC) FAIRCHILD
FJN3303TA (ASTEC) FAIRCHILD
FOD817A3SD (ASTEC) FAIRCHILD
FQB34P10TM (ASTEC) FAIRCHILD
FQD1N80TF (ASTEC) FAIRCHILD
FQI13N50CTU (ASTEC) FAIRCHILD
FQI9N50CTU (ASTEC) FAIRCHILD
FQI9N50TU (ASTEC) FAIRCHILD
FQN1N60CTA (ASTEC) FAIRCHILD
FQP10N60C (ASTEC) FAIRCHILD
FQP14N30 (ASTEC) FAIRCHILD
FQP19N20C (ASTEC) FAIRCHILD
FQP22N30 (ASTEC) FAIRCHILD
FQP2N90 (ASTEC) FAIRCHILD
FQP4N90C (ASTEC) FAIRCHILD
FQP5N60C (ASTEC) FAIRCHILD
FQP6N80C (ASTEC) FAIRCHILD
FQPF10N60C (ASTEC) FAIRCHILD
FSB649 (ASTEC) FAIRCHILD
FSB660A_NL (ASTEC) FAIRCHILD
HGTG20N60A4D (ASTEC) FAIRCHILD
HUF75309P3_NL (ASTEC) FAIRCHILD
HUF75321P3_NL (ASTEC) FAIRCHILD
IRF840B (ASTEC) FAIRCHILD
IRFR220BTF_FP001(ASTEC) FAIRCHILD
ISL9R1560G2 (ASTEC) FAIRCHILD
ISL9R1560P2_NL (ASTEC) FAIRCHILD -  800/PACK
ISL9R3060G2_NL (ASTEC) FAIRCHILD
ISL9R460P2 (ASTEC) FAIRCHILD
ISL9R860P2_NL (ASTEC) FAIRCHILD - MQP 800PCS
NDS351AN (ASTEC) FAIRCHILD
NDS356AP (ASTEC) FAIRCHILD
NDS9407 (ASTEC) FAIRCHILD
RFP70N06_NL (ASTEC) FAIRCHILD
RGF1G (ASTEC) FAIRCHILD
RURP1560 (ASTEC) FAIRCHILD
S100 (ASTEC) FAIRCHILD
1N5231BTR (ASTEC) FAIRCHILD
1N5244B_T50R (ASTEC) FAIRCHILD
1N5245BTR (ASTEC) FAIRCHILD
BAW56 (ASTEC) FAIRCHILD
BZX84C18_NL (ASTEC) FAIRCHILD
CNX83AW_NL (ASTEC) FAIRCHILD
DM74ALS163BN (ASTEC) FAIRCHILD
ES1D_NL (ASTEC) FAIRCHILD
FSB749 (ASTEC) FAIRCHILD
H11AV2AVM_NL (ASTEC) FAIRCHILD
H11L1SR2M_NL (ASTEC) QT
KA431ZTA (ASTEC) FAIRCHILD
KA78L05AAZTA (ASTEC) INDUSTRIAL IC
KA78T05TU  (ASTEC) FAIRCHILD
KSC2001YTA (ASTEC) FAIRCHILD
KST5550MTF (ASTEC) SG TRANSISTOR
LM258AM (ASTEC) FAIRCHILD
MBR2545CT (ASTEC) FAIRCHILD - 1K/PACK
MC78T05CT_NL (ASTEC) FAIRCHILD
MM74HC123AN (ASTEC) FAIRCHILD
MM74HC123AN_NL (ASTEC) FAIRCHILD
MMBD1501A_NL  (ASTEC) FAIRCHILD    3K/REEL
MMBT3640_NL (ASTEC) FAIRCHILD
MMBT3904 (ASTEC) FAIRCHILD
MMBT5401_NL (ASTEC) FAIRCHILD
MOC207R1M_NL (ASTEC) FAIRCHILD
MOC207R2M_NL (ASTEC) FAIRCHILD
MOC3010SR2M_NL (ASTEC) FAIRCHILD
NC7SZ125P5X_NL (ASTEC) FAIRCHILD
NC7WZ02K8X (ASTEC) FAIRCHILD
NC7WZ02K8X_NL (ASTEC) FAIRCHILD
NZT660 (ASTEC) FAIRCHILD
S3M_NL (ASTEC) FAIRCHILD
TIP127TU (ASTEC) FAIRCHILD
TIP32CTU (ASTEC) FAIRCHILD
TIP41BTU (ASTEC) FAIRCHILD
Best regards,
AndyZhu
Fully Best Electronics Hk Limited.ShenZhen Office
E-mail:Andy@fullybest.net
Msn:Andyzhugf@126.com
Mobile phone:13825228661
Tel:0755-61590052
Fax:0755-61570845



AndyZhu
Fully Best Electronics Hk Limited.ShenZhen Office
E-mail:Andy@fullybest.net
Msn:Andyzhugf@126.com
Mobile phone:13825228661
Tel:0755-61590052
Fax:0755-61570845
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yddz888
LV.1
5
2008-12-27 18:22
SI3851DV-T1-E3
SI3911DV-T1-E3
TP0101K-T1-E3
BAV70-V-GS08
2N7002E-T1-E3
SI1022R-T1-E3
SI1302DL-T1-E3
SI1900DL-T1-E3
SI3458DV-T1-E3
SI3585DV-T1-E3
SI3853DV-T1-E3
SI4936ADY-T1-E3
BZG05C15TR
2N6107
2SA1015-Y(TE2)
2SC1815-Y(TE2)
BAV99WT1
BC847BS,115
BC847C,215
BC857BLT1G
BFG520/X
BT131-600
BT131-600
BT136-600E
HEF4069UBTR
HEF4081BP
LM324DR2G
LM350T
LM358DR2G
LQ022B8DD05
MAX3238CDBR
MC68HC908JL3ECP
MC68HC908JL8CSP
MC68HC908QY4CDT
MC68HRC705JP7CDW
MMBT3906LT1
MMDL6050T1
P6KE200ARL
PDTA114ET,215
TL431ILP
ADS1110A1IDBVR
ADS1110A0IDBVR
ADS1110A1IDBVT
ADS1110A0IDBVT
78L05
BISS0001
CS9803GP
BS170
BF245A
ADS7843E/2k5
ADS7844E/2k5
ADS7845E/2k5
ADS7846E/2k5
ADS8320E/2k5
TLV320AIC23BPWR
ISO124P
ISO124U
TUSB3410VF
SN75374DR
BQ2057WSN
PGA205AU
DCP0105
tvp5147pfp
tvp5147m1pfp
TSC2003IPW
FAN5331SX
MMBFJ176
74ACT153SCX
74ACT32SCX
FDS6930A_NL
FDG6321C_NL
TPS40071PWPRG4
TPS2220BPWPRG4
OPA364AIDBVR
UCC5630AMWPTR
TPS2231PWPRG4
TPS3514N
SN74LVC1G02DCKR
SN74LVC1G57DCKR
SN74LVC1G66YZPR
SN74LVC2G07YZPR
SN74LV08ADBR
SN74LVC06ADR
TPS2220APWPRG4
LT1013DDR
BQ24020DRC
TVP5150AM1PBSR
亿鼎电子现货特价.只做原装.只要有单.价格不是问题.电话:0755-82518681.MSN:YDDZ-IC@HOTMAIL.COM ,QQ:630796212
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2009-03-22 18:07
很想得到全部资料请联系我0772-3061353 gxhwg3061353@yahoo.com.cn
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