CN201830024U - Intelligent controller for logging power supply - Google Patents
Intelligent controller for logging power supply Download PDFInfo
- Publication number
- CN201830024U CN201830024U CN2010205563715U CN201020556371U CN201830024U CN 201830024 U CN201830024 U CN 201830024U CN 2010205563715 U CN2010205563715 U CN 2010205563715U CN 201020556371 U CN201020556371 U CN 201020556371U CN 201830024 U CN201830024 U CN 201830024U
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- China
- Prior art keywords
- power supply
- current
- voltage
- channel signals
- logging
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model relates to a power supply in a logging system and provides an intelligent controller for the logging power supply, which has good safety performance and effective management. The technical scheme is as follows: the intelligent controller for the logging power supply comprises the processes of collecting eight channel signals, namely two channel signals of alternate current, two channel signals of alternating voltage, two channel signals of direct voltage and two channel signals of direct current through a mutual inductor and a Hall sensor, outputting the eight channel signals into an A/D converter through a signal conditioning circuit and an effective value conversion circuit, converting the eight channel signals, outputting the converted signals into a singlechip, and outputting data collected by the singlechip through an RS 485 interface. The intelligent controller for the logging power supply is mainly used for providing the power supply for the logging system.
Description
Technical field
The utility model relates in the oil well logging field, uses in the well logging ground-based system of logging cable.The vehicle-mounted ground system that particularly relates to the intelligent power monitoring.Specifically, relate to intelligence well logging power control.
Background technology
Power supply be in the logging system the most basic while also be the most indispensable configuration.It provides energy supply endlessly for logging operation, guarantees that all links of logging system can continue, stable work, we can say, whether the well logging power supply safe, reliable, efficient work quality and the efficient that concerns whole logging system.
Along with the continuous development of logging technique, the existing problem of using of well logging power supply exposes gradually at present, and affects the development of whole well logging industry.
(1) fail safe is relatively poor.Just adopt simple, original safeguard measures such as fuse.In case operator's operate miss or circuit, load etc. are broken down, and have influence on the safety of whole logging system probably.
(2) lack effectively management.The work that power supply is just isolated, the operating state to power supply, output information that can't be real-time be carried out detailed understanding, the operating state of uncontrollable power supply.
(3) can not " cut the garment according to the figure ".After the characteristic of understanding load, can't adjust output parameter according to the situation of load, to satisfy the ideal operation condition of load.
Based on the problem of above existence, we have proposed novel method for managing power supply with intelligent monitoring, and the well logging power supply is effectively managed, and have satisfied the demand of well logging industry.
Summary of the invention
For overcoming the deficiencies in the prior art, the intelligence well logging power control that provides a kind of fail safe can effectively manage well, the technical scheme that the utility model is taked is, intelligence well logging power control, comprise: gather two-way alternating current, two-way alternating voltage, two-way direct voltage, two-way direct current totally 8 channel signals by instrument transformer, Hall element, through signal condition, effective value change-over circuit, outputing to A/D changes, output to single-chip microcomputer then, single-chip microcomputer is exported the data of gathering by the RS485 interface.
Described device, adopt miniature precision current type AC voltage transformer to gather ac voltage signal, adopt miniature accurate AC current transformer to gather ac current signal, adopt Hall current sensor to gather dc current signal, adopt Hall voltage sensor acquisition d. c. voltage signal.
The utility model possesses following technique effect:
1) has high security, high reliability.Proposed to carry out the design of real-time output protection in the method, by to voltage, the real-time sampling of electric current is determined current output state, thereby finishes the protection to output.
2) can effectively manage.The well logging power supply can be finished and the communicating by letter of host computer, and host computer is understood the operating state of power supply by communication interface, by the mode that sends order the well logging power supply is configured, controls.
3) after understanding load input, output characteristic, power supply output parameter corresponding with it can be set.
Description of drawings
Fig. 1 is a theory diagram of the present utility model.
Figure 2 shows that ac current signal sampling modulate circuit of the present utility model.
Fig. 3 is an ac voltage signal sampling modulate circuit of the present utility model.
Fig. 4 is a d. c. voltage signal sampling amplifying circuit of the present utility model.
Fig. 5 is a dc current signal sampling amplifying circuit of the present utility model.
Fig. 6 is an A/D change-over circuit of the present utility model.
Fig. 7 is should be with novel communication, control circuit.
Embodiment
The utility model is in order to solve in the background technology the existing defective of well logging power supply, and proposed the well logging method for managing power supply that a kind of employing has intelligent monitoring function.
1) has high security, high reliability.Proposed to carry out the design of real-time output protection in the method, by to voltage, the real-time sampling of electric current is determined current output state, thereby finishes the protection to output.
2) can effectively manage.The well logging power supply can be finished and the communicating by letter of host computer, and host computer is understood the operating state of power supply by communication interface, by the mode that sends order the well logging power supply is configured, controls.
3) after understanding load input, output characteristic, power supply output parameter corresponding with it can be set.
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1,
Below by accompanying drawing, further specify physical circuit of the present utility model and realize principle.
1. theory diagram
Gather two-way alternating current, alternating voltage, direct voltage, direct current totally 8 channel signals by instrument transformer, Hall element, after handling through signal condition, effective value conversion etc., input A/D changes.Single-chip microcomputer obtains image data, compensates according to linear interpolation, and the data of gathering are uploaded by the RS485 interface, and compare with the data of initial configuration, when not meeting initial configuration, finish the switching of power work state and update displayed information by state switching circuit.
2. ac voltage signal sampling modulate circuit
Adopt the miniature precision current type of TV1005-1M type AC voltage transformer, ac voltage signal to tested loop is sampled, and utilizes the magnetoelectric effect principle, can make tested loop and test loop high-insulation, have very strong voltage isolation capabilities, safe and reliable.In order to prevent the secondary open circuit of current transformer, adopt the mode of two reversals of diode to protect.Ac voltage signal modulate circuit prime adopts high-performance instrument amplifier AD8221, and the impedance that improves input stage effectively suppresses common mode disturbances.Pass through precise rectification circuit again, carry out the effective value conversion,, it is the 8HZ low-pass filter circuit that the back level adopts cut-off frequency.
3. ac current signal sampling modulate circuit
Adopt the miniature accurate AC current transformer of TA1005-2M type, the ac current signal in tested loop is sampled, utilize the magnetoelectric effect principle, can make tested loop and test loop high-insulation, have very strong voltage isolation capabilities, safe and reliable.In order to prevent the secondary open circuit of current transformer, adopt the mode of two reversals of diode to protect.Sampled signal modulate circuit prime adopts high-performance instrument amplifier AD8221, and the impedance that improves input stage effectively suppresses common mode disturbances.Pass through precise rectification circuit again, carry out the effective value conversion, it is the 8HZ low-pass filter circuit that the back level adopts cut-off frequency.
4. d. c. voltage signal sampling amplifying circuit
Adopt HV03-25mA-P type Hall current type voltage sensor, d. c. voltage signal in the tested loop is sampled, utilize Hall effect and magnetic compensation principle, can make tested loop and test loop high-insulation, have very strong voltage isolation capabilities, safe and reliable.Through voltage follower, low-pass filter circuit signal is handled again.
5. dc current signal sampling amplifying circuit
Adopt HS03-25A-NP type Hall current sensor, d. c. voltage signal in the tested loop is sampled, utilize Hall effect and magnetic compensation principle, can make tested loop and test loop high-insulation, have very strong voltage isolation capabilities, safe and reliable.Through voltage follower, low-pass filter circuit signal is handled again.
6.AD change-over circuit
Adopt 16 successive approximation type a/d converter AD7656 of two AD companies that alternating voltage, alternating current, direct voltage, direct current sampled signal are carried out the AD conversion.Carry out exchanges data by SPI interface and single-chip microcomputer.For conveniently carrying out linear interpolation processing, need to gather the simulation earth signal.
Communication, control circuit
The AVR series monolithic ATMega164 that single-chip microcomputer adopts Atmel company finishes the control to demonstration, state switching, communication, data acquisition, and the RS485 communication interface chip adopts SN65HVD33.
Claims (2)
1. intelligence well logging power control, it is characterized in that, comprise: gather two-way alternating current, two-way alternating voltage, two-way direct voltage, two-way direct current totally 8 channel signals by instrument transformer, Hall element, through signal condition, effective value change-over circuit, outputing to A/D changes, output to single-chip microcomputer then, single-chip microcomputer is exported the data of gathering by the RS485 interface.
2. a kind of intelligence well logging power control according to claim 1, it is characterized in that, described device, adopt miniature precision current type AC voltage transformer to gather ac voltage signal, adopt miniature accurate AC current transformer to gather ac current signal, adopt Hall current sensor to gather dc current signal, adopt Hall voltage sensor acquisition d. c. voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205563715U CN201830024U (en) | 2010-10-11 | 2010-10-11 | Intelligent controller for logging power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205563715U CN201830024U (en) | 2010-10-11 | 2010-10-11 | Intelligent controller for logging power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201830024U true CN201830024U (en) | 2011-05-11 |
Family
ID=43968538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205563715U Expired - Fee Related CN201830024U (en) | 2010-10-11 | 2010-10-11 | Intelligent controller for logging power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201830024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362927A (en) * | 2018-03-14 | 2018-08-03 | 广东海明晖电子科技有限公司 | Active low-frequency current signal Detection ＆ Controling circuit |
-
2010
- 2010-10-11 CN CN2010205563715U patent/CN201830024U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362927A (en) * | 2018-03-14 | 2018-08-03 | 广东海明晖电子科技有限公司 | Active low-frequency current signal Detection ＆ Controling circuit |
| CN108362927B (en) * | 2018-03-14 | 2024-05-07 | 广东海明晖电子科技有限公司 | Active low-frequency current signal detection and control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20131011 |