CN202866803U - High-temperature thick-film integrated circuit for temperature measurement of resistivity log - Google Patents
High-temperature thick-film integrated circuit for temperature measurement of resistivity log Download PDFInfo
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- CN202866803U CN202866803U CN 201220556274 CN201220556274U CN202866803U CN 202866803 U CN202866803 U CN 202866803U CN 201220556274 CN201220556274 CN 201220556274 CN 201220556274 U CN201220556274 U CN 201220556274U CN 202866803 U CN202866803 U CN 202866803U
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Abstract
The utility model discloses a high-temperature thick-film integrated circuit for a temperature measurement of resistivity log. An outer shell is provided with two lines of pins, each line includes 18 pins, and total number of the pins is 36. The components of an integrated circuit of the temperature measurement circuit of the resistivity log are encapsulated in a thick-film circuit, and the components are connected with the pins of the outer shell. The integrated circuit of the temperature measurement circuit of the resistivity log comprises a signal input circuit, a logic control circuit, a phase sensitive detection circuit, a monostabillity circuit and a buffer output circuit, the thick-film integrated circuit simplifies a circuit board, and improves the integrated degree of a system. The high-temperature thick-film integrated circuit for the temperature measurement of the resistivity log solves the problems that due to the performance differences of various components, consistency is hard to guarantee, and logging effect is influenced, and has the advantages of being high in temperature characteristic, good in consistency, high in reliability, strong in capacity of resisting disturbance, convenient to debug, easy to maintain, and small in size.
Description
Technical field
The utility model relates to integrated circuit fields, relates in particular to a kind of resistivity logging with thermometric high temperature thick film integrated circuit.
Background technology
At present, mud resistivity and well temperature are requisite two parameters of interpretation of logging data in oil exploration and the exploitation.And temperature and resistance rate logging instrument can be measured this two parameters simultaneously, is very general a kind of instrument very important in the logger.The resistivity logging temperature measuring circuit is one of core circuit of temperature and resistance rate logging instrument.Resistivity logging adopts discrete device to make with temperature measuring circuit at present, to resistance, and electric capacity, operational amplifier and other logic circuits, the temperature characterisitic of analog switch requires very high, and screening operation is also more loaded down with trivial details, so that the comparison of coherence of circuit is poor, resistance to elevated temperatures is bad.And after having debugged, stability is not high yet, and reliability ratio is relatively poor, goes wrong to be difficult to search, and reprocesses relatively difficulty, takies volume larger yet.
The utility model content
The purpose of this utility model is that a kind of temperature characterisitic is high, high conformity, reliability is high, antijamming capability is strong, easily maintenance, volume are small and exquisite resistivity logging be with thermometric high temperature thick film integrated circuit.
The utility model adopts following technical proposals: a kind of resistivity logging is with thermometric high temperature thick film integrated circuit, described shell has the biserial pin, 18 of every row are totally 36 pins, described resistivity logging is integrated in the thick film circuit with the components and parts of temperature measuring circuit, be encapsulated in the shell, components and parts are connected with the shell pin; Described resistivity logging comprises signal input circuit, logic control circuit, phase-sensitive detection circuit, monostable circuit and Buffer output circuit with the temperature survey integrated circuit, the output of signal input circuit is connected with the input of phase-sensitive detection circuit, logic control circuit is connected with signal input circuit, the signal output part of logic control circuit is connected with the signal input part of monostable circuit, the output of phase-sensitive detection circuit is connected with the signal input part of monostable circuit, and the output of monostable circuit is connected with the signal input part of Buffer output circuit.
Also be connected with amplitude adjusting circuit between described phase-sensitive detection circuit and the monostable circuit.
The utility model relates to the oil well logging field, particularly relates to the petroleum geology exploration logger, and resistivity logging is encapsulated in the thick film circuit with measuring circuit, has simplified circuit board, has improved system integration degree; Solved owing to numerous device performance differences, being difficult to the problem that guarantees uniformity, affect logging effect, had that temperature characterisitic is high, high conformity, reliability is high, antijamming capability is strong, debugging is convenient, the easy maintenance,, volume small and exquisite advantage.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the outline drawing of overlooking of the present utility model;
Fig. 3 is that master of the present utility model looks outline drawing
Fig. 4 is pin name figure of the present utility model.
The specific embodiment
Such as Fig. 2, shown in Figure 3, a kind of resistivity logging of the utility model is with thermometric high temperature thick film integrated circuit, and described shell has the biserial pin, and 18 of every row are totally 36 pins, adopt the encapsulation of 36 line dual-in-line Cans; Described resistivity logging is integrated in the thick film circuit with the components and parts of temperature measuring circuit, is encapsulated in the shell, and components and parts are connected with the shell pin.The utility model resistivity logging is shaped as cuboid with thermometric high temperature thick film integrated circuit, adopt HIC process, resistance is that thick film technology is made, and electric capacity is that sheet pastes form, and operational amplifier, logic circuit, analog switch and monostable circuit are bare chip; The flexible spun gold of electrical connection employing nation is fixed, the STRESS VARIATION of having avoided variations in temperature to cause; And the Metal Packaging of nitrogen-filled seal has improved again reliability.Owing to adopting the thick film hybrid integration technology to make, simplified circuit board, improved system integration degree.
As shown in Figure 1, the utility model resistivity logging comprises signal input circuit with the temperature survey integrated circuit, logic control circuit, phase-sensitive detection circuit, monostable circuit and Buffer output circuit, the output of signal input circuit is connected with the input of phase-sensitive detection circuit, logic control circuit is connected with signal input circuit, the signal output part of logic control circuit is connected with the signal input part of monostable circuit, the output of phase-sensitive detection circuit is connected with the signal input part of monostable circuit, and the output of monostable circuit is connected with the signal input part of Buffer output circuit.Also be connected with amplitude adjusting circuit between described phase-sensitive detection circuit and the monostable circuit.
Such as Fig. 1, shown in Figure 4, pin assignment of the present utility model is as follows: 9,10,11,15,16,31,32 pin are eight road inputs, are respectively IN1, IN2, IN3, IN4, IN5, IN6, IN7; 25 pin are output OUT; 4 pin (A0), 5 pin (A1), 6 pin (A2), 14 pin (A4), 33 pin (A3), 36 pin (ZERO) are logic input control end, and their formation logic is controlled 2 pin (T2EN), 34 pin (T1EN), by external lead wire 2 pin (T2EN) are linked to each other with 17 pin (T2EN), with external lead wire 34 pin (T1EN) and 20 pin (T1EN) are linked to each other to finish time-division processing to signal again, sampling keeps.29 pin (PSDB), 30 pin (PSD) are the phase sensitive detection control signal; In other pins, 3 pin, 18 pin, 23 pin are positive voltage+12V power input, and 21 pin are negative supply-12V input, and 1 pin, 8 pin, 12 pin, 13 pin, 26 pin are ground GND, and all the other pins are empty pin.
As shown in Figure 1, temperature and circuit rate are passed through IN1 by the signal of telecommunication that sensor generates, and IN2, IN3, IN4, IN5 enter 11,10,9,8,7 pins of U1, so that by control A2, A1, A0 realize the time sharing sampling to temperature, resistivity signal; Pin 1 (A1), 4 (A2), 16 (A0) realize the control to the U1 channel selecting by the output of external logic signal; Pin 5,6,13 ground connection avoid unsettled introducing to disturb; Pin 2,14 meets positive supply+12V, and 15 meet negative supply-12V; The OUT pin of U1 is output, with IN1, IN2, IN3, IN4, IN5 timesharing output, is linked into the rear end.
U3, U4, U5, U6 and R2 to R8 and C5 form phase sensitive detection and treatment circuit, and the AC signal that sensor is next is transformed to direct current signal and is beneficial to measure.Wherein, the output of the anti-phase input termination U1 of U4, in-phase input end meets R2 to ground, meets R3 to output, consists of the forward amplifier, realizes the amplitude of signal is amplified.The anti-phase input termination R4 of U5 meets R6 to output to the output of U4, and in-phase input end meets R5 to ground, consists of sign-changing amplifier, realizes the reverse flip to signal.10 pin of U3 connect the output of U4, and 1 pin that 11 pin of U3 meet the output U3 of U5 meets input control signal PSD, and 16 pin of U3 meet input control signal PSDB, the 4 pin ground connection of U3, and 2 pin of U3 meet R7 to the inverting input of U6.The in-phase input end of U6 meets R8 to ground; The anti-phase input termination C5 of U6 is to the output of U6, thereby finishes the phase sensitive detection to signal.
U7 and R13, R14, R15 carry out amplitude adjustment and buffering to the signal of phase sensitive detection.The monostable circuit that U8, U9, U10 consist of can guarantee amplitude stabilization in the measuring-signal gatherer process.3 pin, 13 pin of U8 meet positive voltage+12V, the 8 pin ground connection of U8; 5 pin of U8 meet input control signal T1EN, and 11 pin meet input control signal T2EN; 1 pin and 2 pin of U8 connect capacitor C 1,2 pin of U8 and 16 pin connecting resistance R18; 13 pin of U8 and 14 pin connecting resistance R19; 14 pin and 15 pin of U8 connect capacitor C 7; 4 pin of U8 and the interconnection of 6 pin; 10 pin of U8 and the interconnection of 12 pin.1 pin of U10 meets Circumscribing port A4, and 11 pin meet input signal IN6, and 9 pin connect input signal IN74 pin to 8 pin, 10 pin, 13 pin ground connection; 2 pin, 14 pin, 16 pin meet positive voltage+12V, and 15 pin meet negative supply-12V.And 1 pin of U9 connects 6 pin of U8, and 16 pin connect 10 pin of U8, and 10 pin connect 2 pin of U10, and 11 pin connect 6 pin of U7; 2 pin, 14 pin meet positive voltage+12V, and 15 pin meet negative supply-12V, 5 pin to 9 pin ground connection.
The logic circuit that U2 consists of is realized the time-division processing to temperature circuit rate signal, the control function that voltage keeps.The buffer circuit that U11 forms consists of the signal processing that anti-aliasing circuit is finished the ADC front end with the external circuits of rear end.Wherein, 1 pin of U2 meets input control signal A2, and 3 pin meet input control signal A1, and 4 pin meet input control signal A0, and 6 pin meet input control signal A3, and 7 pin meet input control signal ZERO, and 13 pin are delivered a child into control signal T2EN, and 14 pin are delivered a child into control signal T1EN.2 pin, 16 pin, 20 pin meet positive voltage+12V, 5 pin, 10 pin, 23 pin ground connection.3 pin of U11 connect 2 pin of U9, and 2 pin of U11 connect 6 pin, and meet R20 to ground, and to thick film pin OUT, signal are exported.
Claims (2)
1. a resistivity logging is with thermometric high temperature thick film integrated circuit, it is characterized in that: described shell has the biserial pin, 18 of every row are totally 36 pins, described resistivity logging is integrated in the thick film circuit with the components and parts of temperature measuring circuit, be encapsulated in the shell, components and parts are connected with the shell pin; Described resistivity logging comprises signal input circuit, logic control circuit, phase-sensitive detection circuit, monostable circuit and Buffer output circuit with the temperature survey integrated circuit, the output of signal input circuit is connected with the input of phase-sensitive detection circuit, logic control circuit is connected with signal input circuit, the signal output part of logic control circuit is connected with the signal input part of monostable circuit, the output of phase-sensitive detection circuit is connected with the signal input part of monostable circuit, and the output of monostable circuit is connected with the signal input part of Buffer output circuit.
2. resistivity logging according to claim 1 is characterized in that: also be connected with amplitude adjusting circuit between described phase-sensitive detection circuit and the monostable circuit with thermometric high temperature thick film integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556274 CN202866803U (en) | 2012-10-23 | 2012-10-23 | High-temperature thick-film integrated circuit for temperature measurement of resistivity log |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220556274 CN202866803U (en) | 2012-10-23 | 2012-10-23 | High-temperature thick-film integrated circuit for temperature measurement of resistivity log |
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| Publication Number | Publication Date |
|---|---|
| CN202866803U true CN202866803U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220556274 Expired - Fee Related CN202866803U (en) | 2012-10-23 | 2012-10-23 | High-temperature thick-film integrated circuit for temperature measurement of resistivity log |
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| Country | Link |
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| CN (1) | CN202866803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10159798B2 (en) | 2013-04-22 | 2018-12-25 | Sanofi-Aventis Deutschland Gmbh | Supplemental device for attachment to an injection device |
-
2012
- 2012-10-23 CN CN 201220556274 patent/CN202866803U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10159798B2 (en) | 2013-04-22 | 2018-12-25 | Sanofi-Aventis Deutschland Gmbh | Supplemental device for attachment to an injection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20151023 |
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| EXPY | Termination of patent right or utility model |