140DAI34000 平時,晶體三極管VT1、VT2均處于截止狀態,模擬聲集成電路A不工作,揚聲器B2無聲,整個電路靜態電流為3μA左右。一旦竊賊撬鎖開門,就會引起門扇背面固定的壓電陶瓷片B1產生振動。B1輸出一個微弱的電信號,使原來截止的晶體三極管VT1導通,電池G1通過VT1向模擬聲集成電路A的觸發端提供一個正脈沖信號,使A受觸發工作。模擬聲集成電路A工作后,其輸出端輸出內儲“叮—咚……”聲電信號,經晶體三極管VT2功率放大后,驅動揚聲器B2發出響亮的告警聲。模擬聲集成電路A每受一次觸發,揚聲器B2會連續發出3遍“叮—咚”聲,時間約4s。
電路中,晶體三極管VT1未設置偏流電路,目的有兩個:一是利用晶體三極管VT1導通需壓電陶瓷片B1提供》0.65V正向電壓這一特性,使電路只對強烈的撬鎖振動有反應,而對一般外界其他干擾引起的輕微振動無反應,從而降低了報警器的誤報率;二是大幅度降低了電路的靜態電流,使電池使用時間大大延長。一般每換一次新干電池,可工作一年多時間。電池G1為模擬聲集成電路A提供合適的3V工作電壓,G2主要是和G1串聯起來,將晶體三極管VT2的工作電壓提高到6V,使揚聲器B2發聲顯著增大。
準備好元器件
本制作共用了10個元器件,采購清單見表13所示。
A選用KD-153H型“叮—咚”門鈴專用模擬聲集成電路。該集成電路用黑膏封裝在一塊24mm×12mm的小印制電路板上,并給有插焊外圍元器件(主要是功率放大三極管)的孔眼,安裝使用很方便。KD-153H的主要參數:工作電壓范圍1.3~5V,典型值為3V,觸發電流≤40μA;當工作電壓為1.5V時,實測輸出電流≥2mA、靜態總電流《0.5μA;工作溫度范圍-10~60℃。KD-153H也可用HFC1500系列集成電路中內儲“叮—咚”聲的芯片來直接代替。
晶體管VT1用9015(集電極允許電流I CM =-0.1A,集電極允許功耗P CM =310mW)或9012、3CG21型硅PNP三極管,要求電流放大系數β》50;VT2用9013 (I CM =0.5A,P CM =625mW)或3DG12、3DK4型硅NPN中功率三極管,要求β》100。
B1選用普通HTD27A-1或FT-27型壓電陶瓷片,其他型號的也可代用,但片徑宜盡可能選擇得大一些,以提高報警器觸發靈敏度。B用φ57mm以內、阻抗是8Ω、額定功率≥0.25W的小口徑動圈式揚聲器。
G1和G2分別用兩節5號干電池串聯(配套塑料電池架)組成,輸出電壓各為3V。配套的塑料電池架,既可以是獨立的兩個3V塑料電池架,也可以共用一個6V塑料電池架。
制作與使用
由于整個報警器所用元器件很少,所以不必另行自制印制電路板。焊接時,如圖13-1所示,將晶體三極管VT1和VT2直接焊在模擬聲集成電路A的小印制電路板上,然后把它和電池G1、G2一同裝入體積約為70mm×60mm×20mm的絕緣小盒內。焊接時應特別注意:電烙鐵外殼一定要良好接地,以免交流感應電壓擊穿A內部CMOS電路!壓電陶瓷片B1用長約20cm的雙股電線引出盒外;揚聲器B2用雙股軟塑電線(長度視樓房距儲藏室的遠近確定)引出盒外。揚聲器B2可裝入一個塑料香皂盒內,并事先在面板開出釋音孔,制成漂亮的小音箱。
實際應用時,如圖13-2所示,將壓電陶瓷片B1用3顆長約1cm的木螺絲釘固定(或用強力膠粘固)在緊靠儲藏室門扇背面的門鎖部位,注意其金屬基板面應平貼門扇,并將報警電路盒固定在門扇背面;揚聲器盒則通過雙股塑皮導線引至樓上住人房間內。這樣,一旦有竊賊撬鎖開門,揚聲器B2就會發出響亮的“叮—咚……”報警聲。如果試驗用手敲打門板需較大勁才能觸發電路,可對調一下壓電陶瓷片B1的兩根接線頭,則電路觸發靈敏度會提高許多。
140DAI34000
LENZE SERVO MOTOR MDSKSRS071-23
BOSCH SERVO DRIVE SM 10/20-TC
SIEMENS ENCODER 6FX2001-2EB50
SIEMENS DC DRIVE 6RB 2160-OFB00
SIEMENS SERVO MOTOR 1HU 3076-0AC01-Z
YASKAWA AC SERVO MOTOR USASEM-08F J21
ORMEC SERVO DRIVE SAC D008M/A
ORMEC SERVO DRIVE SAC D370/A
PARKER AC SERVO MOTOR AC M2N 0320-4/2-6-BG
YASKAWA AC SERVO MOTOR SGMG-20V
KOLLMORGEN SERVO DRIVE PSR4/5A-112-0400
GETTYS (AEG) PERMANENT SERVO MOTOR M337-SNRA-YYOY-2A
KOLLMORGEN SERVO DRIVE SR1000-2G204C
ABB SERVO DRIVE 3HAB6372-1
INDRAMAT MAGNET MOTOR MKD090B-058-K01-KN
KOLLMORGEN POWER SUPPLY BDS4-206J-20C2
SIEMENS SERVO MOTOR 1HU3054-0AC01-Z
BOSCH WELD TIMER PSS5100.313B
INDRAMAT MKD071B-061-KG0-KN MOTOR
INDRAMAT MAC090C-1-GD-1-B/110-A-0/-101250 MOTOR
SIEMENS SERVO MOTOR
YASKAWA SERVO DRIVE
FANUC SERVO MOTOR A06B-0142-B675#0003
FANUC SERVO MOTOR A06B-0514-B541#7076
INDRAMAT POWER SUPPLY KDV1.2-100-220/300-1
GE FANUC AC SERVO MOTOR A06B-0142-B075# 7008
GE FANUC AC SERVO MOTOR A06B-0142-B175
YASKAWA AC SERVO MOTOR USAFED-20-HG11
BOSCH SERVO DRIVE VM 50/B-TC1
INDRAMAT CONTROLLER MTC-R02.1-M1-A2-A2-NN-FW
REXROTH SERVO MOTOR MHD071B-061-PP0-UN
SEW EURODRIVE MPB5 1A011-503-00
AEG BLESS SERVO MOTOR CGD24-R
ALLEN BRADLEY 1775 L3 MAIN PROCESSOR W/EXTD INSTRUCTION
ELECTRO-CRAFT BRU-200 DRIVE DM-20
YASKAWA SERVO PACK SGDM-20AD
YASKAWA AC SERVO MOTOR SGMSH-0ACA61
OMRON AC R88D-RB10 SERVO DRIVE
INDRAMAT SERVO DRIVE REPAIR
Enlarge
SIEMENS DRIVE SIMOREG
ALLEN BRADELY 2098-DSD-010 ULTRA 3000
INDRAMAT POWER LINE FILTER NFD02.2-480-030
FANUC A16B-1210-0270
SIEMENS PMAC VME
SIEMENS TI 575-2102 VME PLC
SIEMENS PMAC VME
FANUC DEVICENET MOTHERBOARD A16B-2203-0190/07B
KAWASAKI SERVO MOTOR
FANUC PULSECODER A860-0304-T112 2500P
SIEMENS SIMO DRIVE 1P 6SN1112-1AC01-0AA1
INDRAMAT MKD090B-047-KG1-KN SERVO MOTOR
BOSCH SERVO MOTOR SE-B4.130.030-14.000
FANUC SERVO MOTOR A06B-0314-B5 #7076
SIEMENS CONTROLLER CARD 6SC6100-0NA01
NACHI AC SERVO MOTOR TS-4138 N1 E30
ALLEN BRADLEY AC SERVO CONTROLLER P120499R1
CONTROL TECHNIQUE DRIVE MD-410-00-000
CONTROL TECHNIQUE DRIVE MD-404-00-000
SIEMENS CONTROLLER CARD 6SC6190-0FB00
SIEMENS CONTROLLER CARD 6SN1118-0AA11-0AA0
FANUC SERVO AMPLIFIER A06B-6066-H291 A2
YASKAWA AC SERVO MOTOR USASEM-05F J12
EMERSON SERVO DRIVE EN-208
PACIFIC SCIENTIFIC SERVO DRIVE 45983001
CONTROL TECHNIQUE DC DRIVE M75-14ICD
PACIFIC BLESS SERVO MOTOR R35KEAC-R2-NS-NU-00
SIEMENS CONTROLLER CARD 6SN118-0DM21-0AA0
ABB BOARD DSQC 336
INDRAMAT MAGNET MOTOR MKD090B-035-K01-KN
SIEMENS POWER SUPPLY SIMODRIVE 6SN1146-1AB00-0BA1
ALLEN BRADLEY POWER SUPPLY 1394-SJT05-C-RL
FUJITSU FANUC LTD PULSE GENERATOR A860-0200-T021
SIEMENS CONTROLLER CARD 6SN1118-0NJ00-0AA2
RENCO ENCODER RHS21D-P3-2000-8MM-5-CS-LD-MSP-S
INDRAMAT PERMANENT MAGNET MOTOR MKD071B-061-GP1-KN
FANUC 1α6/3000 SERVO MOTOR A06B-0128-B577 #7008
FANUC PULSECODER A860-0300-T001 2000P
KOLLMORGEN M-405-A-21 SERVO MOTOR
INDRAMAT CONTROLLER MTS-R02 . 1-M1-B1-S4-NN-FW
FANUC SERVO DRIVE A02B-0118-B004
FANUC SERVO DRIVE A06B-6050-H004
FANUC SERVO DRIVE A06B-6050-H304
FANUC SERVO DRIVE A06B-6058-H011
FANUC SERVO DRIVE A06B-6058-HOO6
FANUC SERVO MOTOR A06B-0146-B675
FANUC SERVO MOTOR A06B-0315-B032#7000
FANUC SERVO MOTOR A06B-0501-B755
PANELMATE 39STH PM-3000 CUTLER HAMMER
HEIDENHAIN LINEAR ENCODER LS 476C
SIEMENS MICROMASTER 420 6SE6420-2AD27-5CA1
ELAU SERVO MOTOR SM 100-50-030-P1-45-S1-B1
FANUC SERVO MOTOR A06B-0034-B077#7008
FANUC SERVO MOTOR AO6B-0562-B704#7008
KOLLMORGEN SERVO MOTOR B-206-A-21
BOSCH POWER SUPPLY (CAPACITOR BANG) KM 2200-T
OMRON SCREEN (INTERACTIVE DISPLAY) NT20S-ST121BB-EV3
YASKAWA AC SERVO MOTOR USAGED-30A22K
ALLEN BRADLEY SERVO DRIVE 1398-DDM-019
BALDOR SERVO MOTOR BSM90A-275AA
KOLLMORGEN SERVO DRIVE BDS5A-106-00200-204C-2-020
KOLLMORGEN SERVO DRIVE BDS5A-106-01010/03011A2-030
PARKER SERVO MOTOR 606-MO-NC-M-X-S
BALDOR DC SERVO MOTOR MTR-3363-BCACN
FANUC SERVO MOTOR A06B-0371-B169
ALLEN BRADLEY SERVO DRIVE PLC 1785-L11B C
CUSTOM SERVO MOTORS MPM892M-1403
FANUC POWER UNIT A14B-0061-B001
CONTROL TECHNIQUE DYNAMIC BRAKING CDII DBV
COMPUMOTOR 5X6-DRIVE
ALLEN BRADLEY SERVO CONTROLLER 1771-HS3CR REV.14
PARKER SERVO DRIVE MPA-03
BERGER LAHR SERVO MOTOR VRDM 3913/50 LWC
HENGSTLER ENCODER S21-2048.001
INDRAMAT PERMANENT MAGNET MOTOR MKD071B-061-GP0-KN
INDRAMAT ENCODER DSF03SN-S
INDRAMAT SERVO MAC092B-0-QD-2-C/095-B-2/50.1 MOTOR
FANUC A06B-0502-B001 SERVO MOTOR
HEIDENHAIN ENCODER ERN 281.1053-2500
AEG SERVO MOTOR 120-088-005
FANUC SERVO MOTOR A06B-0522-B351
YASKAWA AC SERVO MOTOR USAREM-03AE205
AC SERVO MOTOR USAREM-02CMA43
ACTUS AC SERVO MOTOR NA21-10F2
FANUC SERVO DRIVE A06B-6050-H003
FANUC SERVO DRIVE A06B-6050-H005
FANUC SERVO MOTOR A06B-0346-B255
FANUC SERVO MOTOR A06B-0347-B256
FANUC SERVO MOTOR A06B-0372-B160-R
FANUC SERVO MOTOR A06B-0377-B175
FANUC SERVO MOTOR A06B-0505-B032#7075
PANASONIC AC SERVO MOTOR MDM102Q2V
SIEMENS HVAC DRIVE 6SE6436-5UD31-1CA0
YASKAWA SERVO MOTOR UGRMEM-04MSAC2
SIEMENS CARD 1P 6SN1118-0DM21-0AA0
PARKER CUSTOM SERVO MPA-07 DRIVE
ABB PC BOARD DSQC 236T
SIEMENS SERVO DRIVE 6SN1112-1AC01-0AA1
SIEMENS SERVO DRIVE 6SN1123-1AB00-0AA1
SIEMENS SERVO DRIVE 6FC5247-0AA00-0AA3
SIEMENS SERVO DRIVE 6SN1113-1AB01-OBA1
SANYO DENKI SERVO MOTOR 68BM122HBX22
MTS MPM1142ATG6G1R SERVO MOTOR
140DAI34000