CN204256433U - A kind of novel signal disposal system for the production of well logger - Google Patents
A kind of novel signal disposal system for the production of well logger Download PDFInfo
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- CN204256433U CN204256433U CN201420770706.1U CN201420770706U CN204256433U CN 204256433 U CN204256433 U CN 204256433U CN 201420770706 U CN201420770706 U CN 201420770706U CN 204256433 U CN204256433 U CN 204256433U
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Abstract
The utility model relates to a kind of signal processing system, disclose a kind of novel signal disposal system for the production of well logger, comprise surface instrumentation, graceful code return compile module, control module, analog to digital converter, analog to digital converter and control module carry out data double-way transmission; Graceful code returns volume module to carry out cable communication by remote measurement driving circuit and surface instrumentation.The utility model adopts the transmission of II yard, graceful Chester, by Single-chip Controlling 16 analog to digital conversion modes, achieve and transmit 16 modulus image data on II yard, the 12 graceful Chester of bit data, meet the existing production logging instrument transmission universal standard, II yard, domestic graceful Chester communication standard ground system can be connected; And simplify circuit design, reduce circuit integrity volume, by data acquisition errors under Systematical control correction high temperature, improve digits converting extent and degree of accuracy, and then improve the resolution of production logging instrument.
Description
Technical field
The utility model relates to a kind of signal processing system, particularly relates to a kind of novel signal disposal system for the production of well logger.
Background technology
At present, the processing mode of " signal amplifies---voltage/frequency conversion---single-chip microcomputer counting mouth counting " three steps is generally adopted to realize for temperature, pressure, magnetic locating signal treatment circuit in the production logging instrument of domestic application, the data gathered send surface instrumentation to by II yard, graceful Chester, and its functional sequence block diagram as shown in Figure 1.But there is following technological deficiency in foregoing circuit: one is that circuit is complicated, and components and parts usage quantity is many, needs 11 resume module; Two is that switching time is oversize, causes signal transacting efficiency lower; Three is that V/F converts chip volume greatly, cannot be applicable to small-bore production logging instrument.
Summary of the invention
Mainly there is following technological deficiency in prior art in the utility model: one is that circuit is complicated, and components and parts usage quantity is many, needs 11 resume module; Two is that switching time is oversize, causes signal transacting efficiency lower; Three to be that V/F converts chip volume large, cannot be applicable to small-bore production logging instrument, provides a kind ofly to adopt the transmission of II yard, graceful Chester, the novel signal disposal system for the production of well logger by Single-chip Controlling 16 analog to digital conversion modes.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of novel signal disposal system for the production of well logger, comprise surface instrumentation, volume module is returned with the graceful code of surface instrumentation cable communication, the control module compiling module bus communication is returned with graceful code, control module respectively connection control has magnetic locating signal processing module, pressure signal processing module, processes temperature signal module, also comprise analog to digital converter, analog to digital converter respectively with control module, magnetic locating signal processing module, pressure signal processing module, processes temperature signal module carries out signal and data are transmitted, analog to digital converter and control module carry out data double-way transmission, analog to digital converter gathers from magnetic locating signal processing module respectively, pressure signal processing module, the signal of processes temperature signal module also carries out analog to digital conversion, graceful code returns volume module to carry out cable communication by remote measurement driving circuit and surface instrumentation.
Analog to digital converter mainly has the following advantages: one is containing 3 16 difference analogue input channels; Two is containing low-noise programmable gain amplifier; Three is containing bias voltage generator; Four is containing two programmable current source; Five is paster encapsulation, and volume is little.
As preferably, remote measurement driving circuit comprises the differential amplifier circuit, power amplification circuit, the filtering circuit that connect successively, signal first carries out differential amplification through differential amplifier circuit, power amplification is carried out again through power amplification circuit, filtering is carried out, finally by cable transmission to surface instrumentation again through filtering circuit.
As preferably, differential amplifier circuit comprises differential amplifier.
As preferably, power amplification circuit comprises power amplifier.
As preferably, the signal source of magnetic locating signal processing module, pressure signal processing module, processes temperature signal module comes from magnetic orientation coil, pressure transducer, temperature sensor respectively.
As preferably, graceful code is returned and is compiled module and adopt 12 full II yard, Chesters.
As preferably, also comprise the power circuit for system power supply, the operational amplification circuit that power circuit comprises mu balanced circuit, is connected with mu balanced circuit, mu balanced circuit comprises Voltage stabilizing module, voltage stabilizing diode, and operational amplification circuit comprises the first operational amplifier and the second operational amplifier.
The utility model is owing to have employed above technical scheme, there is significant technique effect: adopt the transmission of II yard, graceful Chester, by Single-chip Controlling 16 analog to digital conversion modes, achieve and transmit 16 modulus image data on II yard, the 12 graceful Chester of bit data, meet the existing production logging instrument transmission universal standard, II yard, domestic graceful Chester communication standard ground system can be connected; And simplify circuit design, reduce circuit integrity volume, by data acquisition errors under Systematical control correction high temperature, improve digits converting extent and degree of accuracy, and then improve the resolution of production logging instrument.
Accompanying drawing explanation
Fig. 1 is the functional sequence block diagram of existing production logging instrument.
Fig. 2 is the functional sequence block diagram of the utility model for the production of the novel signal disposal system embodiment of well logger.
Fig. 3 is the utility model remote measurement driving circuit figure.
The power circuit diagram of Fig. 4 to be the utility model be system power supply.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1-surface instrumentation, 2-graceful code returns volume module, 3-control module, 4-magnetic locating signal processing module, 5-pressure signal processing module, 6-processes temperature signal module, 7-analog to digital converter, 8-differential amplifier circuit, 9-magnetic orientation coil, 10-pressure transducer, 11-temperature sensor, 12-mu balanced circuit, 13-operational amplification circuit, 81-differential amplifier circuit, 82-power amplification circuit, 83-filtering circuit, 121-Voltage stabilizing module, 122-voltage stabilizing diode, 131-the first operational amplifier, 132-the second operational amplifier, 810-differential amplifier, 820-power amplifier.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
A kind of novel signal disposal system for the production of well logger, as in Figure 2-4, comprise surface instrumentation 1, return with the graceful code of surface instrumentation 1 cable communication and compile module 2, the control module 3 compiling module 2 bus communication is returned with graceful code, control module 3 respectively connection control has magnetic locating signal processing module 4, pressure signal processing module 5, processes temperature signal module 6, also comprise analog to digital converter 7, analog to digital converter 7 respectively with control module 3, magnetic locating signal processing module 4, pressure signal processing module 5, processes temperature signal module 6 carries out signal and data are transmitted, analog to digital converter 7 and control module 3 carry out data double-way transmission, analog to digital converter 7 gathers from magnetic locating signal processing module 4 respectively, pressure signal processing module 5, the signal of processes temperature signal module 6 also carries out analog to digital conversion, graceful code returns volume module 2 to carry out cable communication by remote measurement driving circuit 8 and surface instrumentation 1.
Analog to digital converter mainly has the following advantages: one is containing 3 16 difference analogue input channels; Two is containing low-noise programmable gain amplifier; Three is bias voltage generators in lozenge; Four is containing two programmable current source; Five is paster encapsulation, and volume is little.
Remote measurement driving circuit 8 comprises the differential amplifier circuit 81, power amplification circuit 82, the filtering circuit 83 that connect successively, signal first carries out differential amplification through differential amplifier circuit 81, power amplification is carried out again through power amplification circuit 82, filtering is carried out, finally by cable transmission to surface instrumentation 1 again through filtering circuit 83.
Differential amplifier circuit 81 comprises differential amplifier 810.
Power amplification circuit 82 comprises power amplifier 820.
The signal source of magnetic locating signal processing module 4, pressure signal processing module 5, processes temperature signal module 6 comes from magnetic orientation coil 9, pressure transducer 10, temperature sensor 11 respectively.
Graceful code returns volume module 2 to adopt 12 full II yard, Chesters.
Also comprise the power circuit for system power supply, the operational amplification circuit 13 that power circuit comprises mu balanced circuit 12, is connected with mu balanced circuit, mu balanced circuit 12 comprises Voltage stabilizing module 121, voltage stabilizing diode 122, and operational amplification circuit 13 comprises the first operational amplifier 131 and the second operational amplifier 132.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (7)
1. the novel signal disposal system for the production of well logger, comprise surface instrumentation (1), return with the graceful code of surface instrumentation (1) cable communication and compile module (2), the control module (3) compiling module (2) bus communication is returned with graceful code, control module (3) respectively connection control has magnetic locating signal processing module (4), pressure signal processing module (5), processes temperature signal module (6), it is characterized in that: also comprise analog to digital converter (7), analog to digital converter (7) respectively with control module (3), magnetic locating signal processing module (4), pressure signal processing module (5), processes temperature signal module (6) carries out signal and data are transmitted, analog to digital converter (7) and control module (3) carry out data double-way transmission, analog to digital converter (7) gathers from magnetic locating signal processing module (4) respectively, pressure signal processing module (5), the signal of processes temperature signal module (6) also carries out analog to digital conversion, graceful code returns volume module (2) to carry out cable communication by remote measurement driving circuit (8) and surface instrumentation (1).
2. a kind of novel signal disposal system for the production of well logger according to claim 1, it is characterized in that: remote measurement driving circuit (8) comprises the differential amplifier circuit (81), power amplification circuit (82), the filtering circuit (83) that connect successively, signal first carries out differential amplification through differential amplifier circuit (81), power amplification is carried out again through power amplification circuit (82), filtering is carried out again, finally by cable transmission to surface instrumentation (1) through filtering circuit (83).
3. a kind of novel signal disposal system for the production of well logger according to claim 2, is characterized in that: differential amplifier circuit (81) comprises differential amplifier (810).
4. a kind of novel signal disposal system for the production of well logger according to claim 2, is characterized in that: power amplification circuit (82) comprises power amplifier (820).
5. a kind of novel signal disposal system for the production of well logger according to claim 1, is characterized in that: the signal source of magnetic locating signal processing module (4), pressure signal processing module (5), processes temperature signal module (6) comes from magnetic orientation coil (9), pressure transducer (10), temperature sensor (11) respectively.
6. a kind of novel signal disposal system for the production of well logger according to claim 1, is characterized in that: graceful code is returned and compiled full II yard, the Chesters of module (2) employing 12.
7. a kind of novel signal disposal system for the production of well logger according to claim 1, it is characterized in that: also comprise the power circuit for system power supply, the operational amplification circuit (13) that power circuit comprises mu balanced circuit (12), is connected with mu balanced circuit, mu balanced circuit (12) comprises Voltage stabilizing module (121), voltage stabilizing diode (122), and operational amplification circuit (13) comprises the first operational amplifier (131) and the second operational amplifier (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420770706.1U CN204256433U (en) | 2014-12-09 | 2014-12-09 | A kind of novel signal disposal system for the production of well logger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420770706.1U CN204256433U (en) | 2014-12-09 | 2014-12-09 | A kind of novel signal disposal system for the production of well logger |
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| CN204256433U true CN204256433U (en) | 2015-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600067A (en) * | 2018-06-26 | 2018-09-28 | 贵州航天控制技术有限公司 | A kind of means of communication between downhole instrument and ground control system and communicating circuit |
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2014
- 2014-12-09 CN CN201420770706.1U patent/CN204256433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600067A (en) * | 2018-06-26 | 2018-09-28 | 贵州航天控制技术有限公司 | A kind of means of communication between downhole instrument and ground control system and communicating circuit |
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