阵列感应成像测井仪电路原理课件.ppt

1、 1简介 2电路原理主要内容带通电路带通电路仪器供电电源电路仪器供电电源电路12二级刻度电路二级刻度电路辅助参数电路图34前放电路前放电路前放逻辑控制电路前放逻辑控制电路56 3.仪器供电电源电路 电源短节提供阵列感应仪器的全部直流供电，为了保证仪器工作稳定，信号测量精度高，将数字电路电源与模拟电路电源分开，发射电路电源与接收电路电源分开，小信号放大电路电源与大信号放大电路电源分开。电源短节将地面提供的220伏交流电源经三个变压器变换为10组低压交流电源，分别经三端稳压器稳压，输出供前放短节使用的+15v、-15v、+5v直流电源，供发射短节使用的+15v、-15v、+22.5v、-22.5v

2、直流电源，供前置电子线路短节使用的+15v、-15v、+5v、-5v直流电源。电子线路短节使用的+15v、-15v、+5v三组电源连到数据采集短节的电源分配板，再连到数据采集模块、带通程控模块、辅助测量模块、发射短节等。4MIT5530 电源原理图BR1001PC8_2470UF312U142095-005312U242094-022.5312U442094-005312U542094-005312U642095-015312U742094-015312U842094-015312U942095-015312U1042094-00501PC12_2680UF01PC13_1680UF01PC1

3、3_2680UF01PC14470UF01PC15470UF02PC5_1680UF02PC6700UF02PC9700UF02PC7700UF02PC10700UF03HS1_PC2220UF03HS1_PC1220UF03HS1_PC3&4470UF01HS3_PC222UF01HS4_PC522UF01HS4_PC822UF01HS4_PC222UF02HS3_PC822UF02HS3_PC622UF02HS3_PC422UF03HS5_C222UF03HS5_C422UF03HS5_C622UF1HS3_PC10.22UF1HS4_PC30.1UF1HS4_PC40.1UF1HS4_P

4、C60.1UF1HS4_PC70.1UF1HS4_PC10.22UF2HS3_PC70.22UF2HS3_PC50.22UF2HS3_PC30.22UF3HS5_C10.22UF3HS5_C30.22UF3HS5_C50.22UFPRI220VAC220VAC220VACPRIPRIBLKBRNREDREDREDBRNBRN+-HVHVR+15P-15P+5PPGNDISO_+5VISO_GND-5VD+5V-15V+15V-5V_RTND+5_RTNRTNRTNTB1BR11PD11PD21PD41PD3+-1PD151PD161PD131PD141PD51PD61PD71PD81PD91P

5、D101PD111PD122PD172PD182PD192PD202PD212PD222PD232PD242PD252PD262PD272PD283PD293PD303PD313PD323PD353PD363PD333PD343PD373PD383PD393PD4001PC11_1680UF01PC11_2680UF01PC12_1680UF312U342094-022.501PC8_1470UF02PC5_2680UF02PC5_3680UF02PC5_4680UF1HS3_CR11N50591HS4_CR21N50592HS3_CR31N50593HS5_CR21N50591HS4_CR3

6、1N50592HS3_CR41N50592HS3_CR21N50593HS5_CR11N50593HS5_CR31N50591HS4_CR11N5059TB2TB3T_D+5V_I1T_+22.5V_I1T_+22.5V_I2T_-22.5V_I1T_-22.5V_I2T_-5V_I2T_-5V_I1T_D+5V_I21234567891011121314151617PJ11234567891011121314151617PJ31234567891011121314151617PJ5T_ISO+5V_I1T_ISO+5V_I2T_A-15V_I2T_A-15V_I1T_A+15V_I1T_A+

7、15V_I2T_PREAMP+15V_I1T_PREAMP+15V_I2T_PREAMP-15V_I2T_PREAMP-15V_I1T_PREAMP+5V_I1T_IPREAMP+5V_I21234567891011121314151617PJ21234567891011121314151617PJ4A+15V_RTN_1A+15V_LUG_3A+15V_OUT_2A-15V_LUG_3A-15V_OUT_2A-15V_RTN_1ISO+5V_RTN_1ISO+5V_OUT_2ISO+5V_LUG_3D-5V_LUG_3D-5V_RTN_1D-5V_OUT_2A-22.5V_OUT_2A+-2

8、2.5V_1&1-22.5V_LUG_3D+5V_LUG_3D+5V_RTN_1D+5V_OUT_2A+22.5V_LUG_3A+22.5V_OUT_21234567891011121314151617PJ6PREAMP+15V_LUG_3PREAMP+15_OUT_2PREAMP+15V_RTN_1PREAMP-15V_LUG_3PREAMP-15V_RTN_1PREAMP-15_OUT_2PREAMP+5V_RTN_1PREAMP+5_OUT_2PREAMP+5V_LUG_3 52.带通滤波器电路 带通滤波器是由运放以及电阻电容等元器件组成的对某些频率信号具备选择性放大的选频网络，MIT阵

9、列感应井下仪发射信号频率有三种，它们分别是 105.024KHz、52.512KHz、26.256KHz,这些信号频率工作 于从6in到72in的不同的八组接收线圈，为了分别对各接收线圈上所测的实分量和虚分量信号进行分析计算和处理，采用带通滤波器，将三种不同频率信号分离开。6(1)带通0609电路图+5VVCCVSS5C501000PVCC5R444.53k5C4347P5C440.1U5C460.1UVSS5C470.1U5C480.1U5C490.1U5R47*5R4815.4k5R45*5R4630.9k5C5310P5R5014.7k5R512k5R4922.6k5C520.1U5C5

10、50.1U5C5410P5C51220PF5R537325C56220PVCCVSS5R521.37k5R5514.0k5R54*5R61*5R6210.0k5R590VSSVCC5C62220P5R602.61k5C57220PF5C6010P5C610.1U5C580.1U5R5622.6k5R582k5R5714.7k5C5910PVSS5C660.01U5C630.01U5R6310kVCC5C6410P5C6510P5R6510k5R6610k5R6410k3268745U10LM1183268745U11LM1183268745U12HA25003268745U8HA25005C4

11、510P6/95R6820.5k5R6730.1kD1D313S34S4D4D2S2A2+15+5GND-15A1S11114131216151095685U9HI50515D91N41485D101N41485D121N41485D111N41486/9+6/9-O/E1TP81TP912/15+12/15+12/15-12/15-+15V+15VGNDGND6/9+6/9+6/9-6/9-15V-15VGNDGNDGND1234567891011121314151617J115C40.1U5C50.1U5C247U5C147Uvcc-15V+15V-15V+15VGNDvss5C60.1U

12、5C333U+5V+5V+5VGND1TP101TP11 7(2).带通1215电路图+5VVCCVSS5C141000PVCC5R34.53k5C747P5C80.01U5C100.01UVSS5C110.01U5C120.01U5C130.1U5R6*5R722.6K5R4*5R533.2K5C1710P5R912.7k5R102005R847.5k5C160.1U5C190.1U5C1810P5C15470P5R126195C20470PVCCVSS5R112615R1424.3k5R13*5R20*5R213.01k5R180VSSVCC5C26470P5R191.21k5C21470

13、P5C2410P5C250.1U5C220.1U5R1547.5k5R172005R1612.7k5C2310PVSS5C300.01U5C270.01U5R2210kVCC5C2810P5C2910P5R2410k5R2510k5R2310k3268745U3LM1183268745U4LM1183268745U5HA25003268745U1HA25005C910P12/155R28*5R2921.5k5R26*5R2731.6k5C3310P5R3114.7k5R322K5R3022.6k5C320.1U5C350.1U5C3410P5C31220P5R34*5C36220PVCCVSS

14、5R331K5R3619.1k5R351.13K5R424.12k5R434.12k5R400VSSVCC5C42220P5R41*5C37220P5C4010P5C410.1U5C380.1U5R3722.6k5R392K5R3814.7k5C3910P3268745U6LM1183268745U7LM118D1D313S34S4D4D2S2A2+15+5GND-15A1S11114131216151095685U2HI50515D11N41485D21N41485D41N41485D31N41485D51N41485D61N41485D71N41485D81N4148O/E1TP21TP3

15、1TP65R1100O/E5R2200kO/EO/E1TP11234567891011121314151617J10CON17VSSVCCVCC+5V+5VVSS6/9VCCO/EO/E6/9GND12/1512/15GNDGNDO/E12/15+12/15-1TP41TP51TP7 8(3).带通2127电路+5VVCCVSS6C141000PVCC6R34.53k6C747P6C80.01U6C100.01UVSS6C110.01U6C120.01U6C130.1U6R623.2K6R7*6R434.8K6R5*6C1710P6R912.7k6R102006R845.3k6C160.1U6

16、C190.1U6C1810P6C151000P6R128456C201000PVCCVSS6R1106R1423.2k6R13*6R20*6R212.43k6R180VSSVCC6C261000P6R191.21k6C211000P6C2410P6C250.1U6C220.1U6R1545.3k6R172006R1612.7k6C2310PVSS6C300.01U6C270.01U6R2210kVCC6C2810P6C2910P6R2410k6R2510k6R2310k3268746U3LM1183268746U4LM1183268746U5HA250021/27+21/27-3268746U

17、1HA25006C910P6R28*6R2920.5k6R26*6R2730.1k6C3310P6R3112.7k6R322006R3047.5k6C320.1U6C350.1U6C3410P6C31470P6R349096C36470PVCCVSS6R33*6R3624.3k6R35*6R42*6R432.61k6R400VSSVCC6C42470P6R411.27k6C37470P6C4010P6C410.1U6C380.1U6R3747.5k6R392006R3812.7k6C3910P3268746U6LM1183268746U7LM11821/27 low freq=26.256k2

18、1/27 high freq=52.512kD1D313S34S4D4D2S2A2+15+5GND-15A1S11114131216151095686U2HI50516D11N41486D21N41486D41N41486D31N41486D51N41486D61N41486D71N41486D81N414821/27OUT2O/E1234567891011121314151617J12VSSVCCVCC+5V+5V39/72VCCO/EO/E39/72GND21/2721/27GNDGNDO/EVSS1TP21TP31TP41TP51TP61TP76R11006R2200kO/E21/27O

19、/E 9(4).带通3972电路+5VVCCVSS6C501000PVCC6R444.53k6C4347P6C440.01U6C460.01UVSS6C470.01Uf6C480.01U6C490.1U6R478.87K6R48*6R4534.0K6R46*6C5310P6R5012.7k6R512006R4945.3k6C520.1U6C550.1U6C5410P6C511000P6R538666C561000PVCCVSS6R5206R5515.8k6R54*6R61*6R622.43k6R590VSSVCC6C621000P6R601.21k6C571000P6C6010P6C610.1

20、U6C580.1U6R5645.3k6R582006R5712.7k6C5910PVSS6C660.01U6C630.01U6R6310kVCC6C6410P6C6510P6R6510k6R6610k6R6410k3268746U10LM1183268746U11LM1183268746U12HA25003268746U8HA25006C4510P39/726R698.06K6R70*6R6730.9K6R68*6C6910P6R7212.7k6R732006R7147.5k6C680.1U6C710.1U6C7010P6C67470P6R759096C72470PVCCVSS6R74*6R7

21、716.5k6R76*6R83*6R842.61k6R810VSSVCC6C78470P6R821.27k6C73470P6C7610P6C770.1U6C740.1U6R7847.5k6R802006R7912.7k6C7510P3268746U13LM1183268746U14LM11839/72 low freq=26.256K39/72 high freq=52.512KD1D313S34S4D4D2S2A2+15+5GND-15A1S11114131216151095686U9HI50516D91N41486D101N41486D121N41486D111N41486D131N414

22、86D141N41486D151N41486D161N4148O/E21/27+21/27+21/27-21/27-+15V+15VGNDGND39/72+39/72+39/72-39/72-15V-15VGNDGNDGND1TP121TP131TP81TP91TP101TP111234567891011121314151617J136C40.1U6C50.1U6C247U6C147Uvcc-15V+15V-15V+15VGNDvss6C60.1U6C333U+5V+5V+5VGND39/72-39/72+103.辅助参数板电路 多道开关基准电压温度电压电压取样放大输出 温度测量电路采用四线法

23、测电阻，其中两线由温度测量电路输送5mA电流到线圈系中的热敏电阻中，另两线对电阻上的电压进行高阻抗测量，通过测量可测得探测器电阻的精确值。尽管线圈系热敏电阻离温度测量电路有一段距离，但由于是高阻抗测量，所以电线电阻的微小变化可以被忽略 11辅助参数板电路图 567U1BOP4001098U1COP400321411U1AOP400OUTB9OUTA8IN4B10IN3B11IN2B12IN1B13IN1A4IN2A5IN3A6IN4A7EN2161HI53915143A1A0U2HI539321411U3AOP400567U3BOP400R16720R17132R146.04KR154.99K

24、C16104VOUT2VIN13GNDLT1031U4AD581R52KR62KR42KC6104R72KC7104R84.99KR11 4.99KR91.786KR13 100R1249.9KC13103-15VDCFIL+15VDCFIL+5VDCFIL-15VDCFIL+15VDCFIL+15VDCFIL-15VDCFIL+15VDCFILGNDTEMPIATEMPIBTEMPVBTEMPVA121314U1DOP400R192K-3.4VAMP=6.588D1FD3001098U3COP400121314U3DOP400PF5D2R1815012K1BPF5TEMPVBTEMPVA+3

25、.4VR228.06KR234.12KR2432R215KR205K-3.4VR10 0.7V+10V4.524VC14104TMPOUTC8104C9104C10104C11104C15104C12104C3104C4104+15VDCFIL-15VDCFILR25R15+15-15C222UFC122UFC5104+5VDCFILR35+5BPF5TMPOUTGND+151234567891011121314151617J14+5TEMPIATEMPIBTEMPVBTEMPVATMPOUT+5-15-15+15GND 124.二级刻度电路仪器线圈系发射电流经取样变压器取样后，得到一个正比于

26、发射电流的小电压信号。该信号经高阻抗的A4二级刻度板放大后给前放提供了正比于发射电流的电压信号，此信号可用来修正由于发射电流变化带来的增益和相位的变化。A4二级刻度板包括刻度使能开关和增益放大以及电阻衰减网络三部分。13二级刻度电路图+5VF+15VF-15VF2368479U3HA26203268479U2HA26209R43659R61.43K9R53659R71.43K9C10220P9C1310P9C8220P9C1110P9R84.99K9R94.99K9R101589R111589R129099R136989R146989R151249R161249R1749.99R1849.99

27、R196989R206989R2149.99R226989R2349.99R246989C154700P9C164700P6IN,9IN12IN,15IN21IN,27IN,39IN72INCALOUTCALOUTCALOUTCALOUT9C120.1U+15VF9C70.1U-15VF9C9 0.1U9C140.1U-15VF+15VF9C40.1U9C50.1U9C60.1US1S3IN1IN2S2S4161510951341211138614VLGNDV+V-D1D2D3D49U1DG189CALSIGACALSIGBTCAL6+6-21+21-12+72+12-72-1TP11TP21

28、TP39C1710P9C1810P9R1109C122UF129L10.5mH+5VP+5VF1234567891011121314151617J28CON171234567891011121314151617J27CON1772+12+6+12-GND6-72+72-12+12-21+21-GNDGNDGNDGND72-+15VP+15VP+5VFGNDCAL-CAL-CAL+CAL+-15VPGNDGND+5VPGND-15VPTCAL9R3109R2109C322U9C222U+15VF-15VF129L20.5mH129L30.5mH+15VPGND-15VP+15VF-15VF 14

29、5.前放逻辑控制电路接收短节放大由线圈系感应来的多频小信号，接收短节由四个接收通道、逻辑控制板、二级刻度板组成。每个接收通道放大一组奇偶线圈系来的信号和相应的刻度信号，分别由数据采集短节送来的控制逻辑信号经二级刻度译码板译码，产生的奇/偶控制逻辑、测零/测量控制逻辑、线圈系刻度控制逻辑控制四个接收通道的输入，实现多种测量功能。15前放逻辑控制电路图A10B13C12D11Q03Q22Q41Q678U140281238U2A74HC2666548U2B74HC26689108U2C74HC2661213118U2D74HC2668C31000P8C21000P8R620K8R51008R3100

30、8R420K8R11008R220K8C11000P1A121A241A361A482A1112A2132A3152A4171Y1181Y2161Y3141Y4122Y192Y272Y352Y431G12G198U354HC2408C60.1U8C70.1U8C80.1UVCCLOGOTCALCALOZ/FOCALEZ/FELOGEZ/MCALO/E110100010000Q28R78R88R98R10VCCVCCVCCVCCTCAL8C50.1U8C422U1234567891011121314151617J26Z/FOZ/FOZ/FOZ/FOZ/FEZ/FEZ/FEZ/FELOGOLOGO

31、LOGOLOGOCALOCALOCALOCALO1234567891011121314151617J25CON17CALO/EZ/MGNDVCCVCCLOGELOGELOGELOGECALECALECALECALEGNDGNDGND 16 由双三极管Q2和Q3串联组成。Q3为差分放大，Q2为共基级电路，构成宽带放大器。电压放大级进行差分放大，单端输出，运算放大器U1具有低输出阻抗。信号输出到电子线路短节中的带带通放大器中。反馈网络主要用于减小放大失真和稳定总增益。反馈网络包括Q1及其附属电阻和电容。温度补偿部分包括几个与温度有关的电流源。由晶体管组件U2、稳压管VR1及附属器件组成。9V集电极

32、电源，为低噪声放大级提供稳定的9V电源，使低噪声放大级不受公共电源的影响。6.前放电路 17前放电路图1234567891011121314151617J2317PIN1234567891011121314151617J2417PIN13C121013C1822UF13C1722UF13C1622UF13L50.5mH13L40.5mH13L30.5mH13R281013R271013R26513C131013C151UF13C141UF13C91UF13C80.113R2560413W11N935B13W2LM111313R242K13R2320013R181.87K13R131.87K13

33、R94.32K13R2253613R1724913R214.53K13R2049913R192.8K13R147513R1249913R72.8K13C722P13R114.53K13R102.61K13C622P13R853613R1653613R1553613U5LM3045J13Q4B2N292013Q4A2N292013Q3B2N292013Q3A2N292013Q2B2N292013Q2A2N292013Q1BLM19413Q1ALM19413C522P13C422P13R649913L231UH13L131UH13R549913R226.3k13R121.3k13456816151

34、413121110913U4DG18313456816151413121110913U3DG18313456816151413121110913U2DG18913456816151413121110913U1DG18913C20.113C10.113C30.113C100.113C110.13267154813U6HA-2520OUTGNDGND-15V+15VGND+5VLOGZ/FELOGZ/FOLOGOTCALOGND-LOG39+LOG39GND+CAL39-CAL39LOGETCALEGND+LOG72-LOG72+CAL72-CAL72TCALELOGELOGZ/FETCALOLOGOLOGZ/FO+CAL72-CAL72-CAL39+CAL39+LOG72+LOG72VCCVCCVCCVCCVSSVSSVSSVSSVDDVDDVDDVDDVDDVSSVDDOUT-LOG39+LOG39+5VVCC+15V-15VGNDVDDVSSVSSVCCVDDVSSVDDVSS