CN104675387A - Rectifier and inverter probe tube - Google Patents
Rectifier and inverter probe tube Download PDFInfo
- Publication number
- CN104675387A CN104675387A CN201410468366.1A CN201410468366A CN104675387A CN 104675387 A CN104675387 A CN 104675387A CN 201410468366 A CN201410468366 A CN 201410468366A CN 104675387 A CN104675387 A CN 104675387A
- Authority
- CN
- China
- Prior art keywords
- circuit
- inserting tube
- commutation inversion
- full
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
Abstract
The invention provides a rectifier and inverter probe tube comprising a bronzing shell, a circuit frame and a connector. The circuit frame and the connector are arranged in the bronzing shell. A co-axial inserting pin is arranged at the upper end of the rectifier and inverter probe tube and connected with the connector. The circuit frame is internally provided with a rectifying inverter and a wireless communication circuit. The rectifier and inverter probe tube, integrated with structure features of the intelligent underground drilling tool, is light, easy to mount, high in strength, high in reliability, practical and applicable to the intelligent drilling tools of 8.5 inches, 12 inches, 16 inches and the like.
Description
Technical field
The present invention relates to a kind of inserting tube, particularly a kind of commutation inversion inserting tube for downhole intelligent drilling well.
Background technology
In downhole intelligent drilling tool, the brill that inserting tube is generally installed on center drill rod very in, its upper end is connected with slurry generator by helix, and lower end is connected with mud bypass seat and goes between and is connected to rotary transformer.
Summary of the invention
In order to solve high-power power and data-signal effective problem transmitted between center drill rod and non rotating overcoat, the invention provides one and can adapt to rotary steering drilling tool design feature, possess the commutation inversion inserting tube possessing electric energy and data transmission of the feature such as light structure, dependable performance.
Described commutation inversion inserting tube is arranged in the brill of drilling equipment center drill rod very, its upper end is connected with slurry generator by helix, its lower end is connected with mud bypass seat and goes between and is connected to the former limit of rotary transformer, described commutation inversion inserting tube comprises bronzing shell, circuit framework and joint, wherein, described circuit framework and described joint are arranged in described bronzing shell, also coaxial pole is provided with in the upper end of commutation inversion inserting tube, described coaxial pole is connected with described joint, wherein, rectification adverser and radio communication circuit is provided with in described circuit framework inside.
Preferably, described rectification adverser comprises current rectifying and wave filtering circuit, protection circuit, pwm control circuit, full bridge driving circuit, full-bridge circuit, DCDC modular circuit and resonance compensation circuit.
Preferably; described current rectifying and wave filtering circuit is electrically connected with between described protection circuit, described full-bridge circuit and described DCDC modular circuit; be electrically connected between described protection circuit with described pwm control circuit, be electrically connected successively between described DCDC modular circuit, described pwm control circuit, described full bridge driving circuit, described full-bridge circuit and described resonance compensation circuit.
Preferably, the low frequency three-phase ac signal that described rectification adverser configuration ground is used for slurry generator to export controls to be converted to high frequency single phase ac signal by PWM-ZVS, and application series connection resonance compensation improves the coupling efficiency coefficient with rotary transformer.
Preferably, described low frequency three-phase ac signal is imported in described rectification adverser, is first converted to direct current through described current rectifying and wave filtering circuit and exports to respectively in described DCDC modular circuit, described protection circuit and described full-bridge circuit.
Preferably, described pwm control circuit is powered by described DCDC modular circuit, and described pwm control circuit sends pwm pulse control signal to described full bridge driving circuit simultaneously.
Preferably; row operation is gone forward side by side to form guard signal for gathering voltage x current in described protection circuit configuration ground; this guard signal can be monitored in real time to described pwm control circuit, once there is over-voltage and over-current situation just control the output of described pwm control circuit shutdown signal.
Preferably, described full-bridge circuit receives the drive singal exported from described full bridge driving circuit, successively switch control rule is carried out to full-bridge switch device, and making direct current be converted to high frequency pulse AC electricity and export described resonance compensation circuit to by full-bridge high-frequency forward and reverse conduction, described resonance compensation circuit carries out resonance compensation to signal and controls finally to export to the former avris of rotary transformer.
Preferably, described radio communication circuit comprises data acquisition circuit and radio frequency communications circuitry, wherein, data acquisition circuit configuration ground is for gathering mud instruction, the parameter such as generator frequency and inverter state, then these parameters are modulated to radio frequency signal through 2.4G high-frequency radio frequency and are transferred to radio frequency communications circuitry, the receiving equipment inside non rotating overcoat is sent to eventually through the radio-frequency antenna that rotary transformer is wound around, also receive simultaneously from send in non rotating overcoat with brill status information, thus realize the bidirectional data communication of center drill rod and the outer inner room of non rotating, wherein, radio-frequency antenna is stretched out by the coaxial pole of commutation inversion inserting tube end and is wrapped on the former limit of rotary transformer, rotary transformer secondary antenna corresponding is with it stretched out by the radio circuit inside non rotating overcoat.
Preferably, all heating power devices all adopt paster packing forms to be welded on the thick aluminium base of 1mm, and aluminium base ground uniform application heat-conducting glue is close in the circuit framework structure of commutation inversion inserting tube inside, and surface coating is with fixing components and parts.
The design feature of intelligent drilling instrument under the commutation inversion inserting tube surge well that the present invention relates to, possesses lightness, easily installs, intensity is high, reliability is strong, practicality is extensive, is applicable to 8.5 cun, 12 cun, and 16 cun are waited intelligent drilling instrument.
Accompanying drawing explanation
Fig. 1 is the position view of the commutation inversion inserting tube that the present invention relates to;
Fig. 2 is the structural representation of the commutation inversion inserting tube that the present invention relates to;
Fig. 3 is the internal circuit configuration figure in the commutation inversion inserting tube that the present invention relates to.
Wherein, 1-bronzing shell, 2-circuit framework, 3-joint, 4-coaxial pole, 5-current rectifying and wave filtering circuit, 6-protection circuit, 7-PWM control circuit, 8-full bridge driving circuit, 9-full-bridge circuit, 10-DCDC modular circuit, 11-resonance compensation circuit, 12-data acquisition circuit, 13-radio frequency communications circuitry, 20-commutation inversion inserting tube, 21-center drill rod, 22-slurry generator, 23-rotary transformer, 24-non rotating overcoat, 25-mud generator.
Detailed description of the invention
In order to better the intent of the present invention is described, below in conjunction with accompanying drawing, content of the present invention is described further.
As illustrated in fig. 1 and 2, Fig. 1 and 2 shows an embodiment, this embodiment offers a kind of commutation inversion inserting tube 20, described commutation inversion inserting tube 20 is arranged in the brill of drilling equipment center drill rod 21 very, its upper end is connected with slurry generator 22 by helix, its lower end is connected with mud bypass seat and goes between and is connected to the former limit of rotary transformer 23, described commutation inversion inserting tube 20 comprises bronzing shell 1, circuit framework 2 and joint 3, wherein, circuit framework 2 and joint 3 are arranged in bronzing shell 1, coaxial pole 4 is also provided with in the upper end of commutation inversion inserting tube 20, described coaxial pole 4 is connected with joint 3.Wherein, rectification adverser and radio communication circuit is provided with in circuit framework 2 inside.
As shown in Figure 3; Fig. 2 shows the internal circuit configuration figure in circuit framework 2, and rectification adverser comprises current rectifying and wave filtering circuit 5, protection circuit 6, pwm control circuit 7, full bridge driving circuit 8, full-bridge circuit 9, DCDC modular circuit 10 and resonance compensation circuit 11.Wherein, current rectifying and wave filtering circuit 5 is electrically connected with between protection circuit 6, full-bridge circuit 9 and DCDC modular circuit 10; be electrically connected between protection circuit 6 with pwm control circuit 7, be electrically connected successively between DCDC modular circuit 10, pwm control circuit 7, full bridge driving circuit 8, full-bridge circuit 9 and resonance compensation circuit 11.
The low frequency three-phase ac signal that the commutation inversion inserting tube 20 that the present embodiment relates to exports for receiving slurry generator, this low frequency three-phase ac signal is imported in above-mentioned rectification adverser, and first signal is converted to direct current through current rectifying and wave filtering circuit 5 and exports in DCDC modular circuit 10, protection circuit 6 and full-bridge circuit 9 respectively; Pwm control circuit 7 is powered by DCDC modular circuit 10, supply voltage is+15V, pwm control circuit 7 sends pwm pulse control signal to full bridge driving circuit 8 simultaneously, protection circuit 6 configures ground and goes forward side by side row operation to form guard signal for gathering voltage x current, this guard signal can be monitored in real time to pwm control circuit 7, once there is over-voltage and over-current situation just control the output of pwm control circuit 7 shutdown signal; Full-bridge circuit 9 receives the drive singal exported from full bridge driving circuit 8, successively switch control rule is carried out to full-bridge switch device, and making direct current be converted to high frequency pulse AC electricity and export resonance compensation circuit 11 to by full-bridge high-frequency forward and reverse conduction, resonance compensation circuit 11 pairs of signals carry out resonance compensation and control final to export the former avris of high frequency single phase ac signal to rotary transformer.
Above-mentioned rectification adverser adopts full-bridge type soft-switching inversion transmission technology, the slurry generator input voltage of wide region can be adapted to, the low frequency three-phase ac signal exported by slurry generator controls to be converted to 70KHz high frequency single phase ac signal by PWM-ZVS, for rotary transformer electromagnetic coupled, electric energy is delivered to secondary (be positioned at non-rotating outer put) from the former limit (being positioned at center drill rod) of rotary transformer simultaneously, again through the process of downhole drill power supply backward with brill control panel power, thus realize the center drill rod of high-power power by drilling equipment to the transmission non rotating overcoat, and application series connection resonance compensation circuit improves the coupling efficiency coefficient with rotary transformer, ensure that high efficiency, highly reliable, low-loss delivery of electrical energy.
Above-mentioned radio communication circuit comprises data acquisition circuit 12 and radio frequency communications circuitry 13, wherein, data acquisition circuit 12 configures ground for gathering slurry generator frequency (aboveground by adjustment mud displacement change the biography down that slurry generator frequency carries out drilling well instruction), the parameters such as contravarianter voltage/electric current, then these parameters are modulated to radio frequency signal through 2.4G high-frequency radio frequency and are transferred to radio frequency communications circuitry 13, the receiving equipment inside non rotating overcoat is sent to eventually through the radio-frequency antenna that rotary transformer 23 is wound around, receive simultaneously from non-rotating overcoat with bore control panel send with brill status data, mud pulse generator 25 is transmitted to change mud displacement thus to realize uploading of data after data processing, thus the bidirectional data communication realized between center drill rod and non rotating overcoat 24.
Wherein, above-mentioned radio communication circuit is for realizing center drill rod and the non-rotating outer inner room bi-directional communication function with rig, adopt high frequency 2.4G Zigbee technology for radio frequency, based on the low-power consumption LAN protocol of IEEE802.15.4 standard, the network schemer of program request is set up with telegon and router, realize short distance, high-gain, the wireless data communications of low-power consumption, radio-frequency antenna is stretched out by the coaxial pole 4 of commutation inversion inserting tube 20 end and is wrapped on the former limit of rotary transformer 23, rotary transformer 23 secondary antenna corresponding is with it stretched out by the radio circuit inside non rotating overcoat, data-signal carries out exchanges data between center line drilling rod and non rotating overcoat 24, namely up with descending data transmission is achieved.
In addition, all heating power devices all adopt paster packing forms to be welded on the thick aluminium base of 1mm, and aluminium base ground uniform application heat-conducting glue is close in the circuit framework structure of commutation inversion inserting tube inside, and surface coating is with fixing components and parts.
Embodiment of the present invention is only the description carried out the preferred embodiment of the present invention; not design of the present invention and scope are limited; under the prerequisite not departing from design philosophy of the present invention; the various modification that in this area, engineers and technicians make technical scheme of the present invention and improvement; protection scope of the present invention all should be fallen into; the technology contents of request protection of the present invention, all records in detail in the claims.
Claims (10)
1. a commutation inversion inserting tube, described commutation inversion inserting tube (20) is arranged in the brill of drilling equipment center drill rod (21) very, its upper end is connected with slurry generator (22) by helix, its lower end is connected with mud bypass seat and goes between and is connected to the former limit of rotary transformer (23), described commutation inversion inserting tube comprises bronzing shell (1), circuit framework (2) and joint (3), wherein, described circuit framework (2) and described joint (3) are arranged in described bronzing shell (1), coaxial pole (4) is also provided with in the upper end of commutation inversion inserting tube, described coaxial pole (4) is connected with described joint (3), wherein, rectification adverser and radio communication circuit is provided with in described circuit framework (2) inside.
2. commutation inversion inserting tube according to claim 1, is characterized in that: described rectification adverser comprises current rectifying and wave filtering circuit (5), protection circuit (6), pwm control circuit (7), full bridge driving circuit (8), full-bridge circuit (9), DCDC modular circuit (10) and resonance compensation circuit (11).
3. commutation inversion inserting tube according to claim 2, it is characterized in that: described current rectifying and wave filtering circuit (5) and described protection circuit (6), be electrically connected between described full-bridge circuit (9) and described DCDC modular circuit (10), be electrically connected between described protection circuit (6) with described pwm control circuit (7), described DCDC modular circuit (10), described pwm control circuit (7), described full bridge driving circuit (8), be electrically connected successively between described full-bridge circuit (9) and described resonance compensation circuit (11).
4. the commutation inversion inserting tube according to any one of claim 1-3, it is characterized in that: the low frequency three-phase ac signal that described rectification adverser configuration ground is used for slurry generator to export controls to be converted to high frequency single phase ac signal by PWM-ZVS, and application series connection resonance compensation improves the coupling efficiency coefficient with rotary transformer.
5. commutation inversion inserting tube according to claim 4; it is characterized in that: described low frequency three-phase ac signal is imported in described rectification adverser, be first converted to direct current through described current rectifying and wave filtering circuit (5) and export to respectively in described DCDC modular circuit (10), described protection circuit (6) and described full-bridge circuit (9).
6. commutation inversion inserting tube according to claim 5, it is characterized in that: described pwm control circuit (7) is powered by described DCDC modular circuit (10), described pwm control circuit (7) sends pwm pulse control signal to described full bridge driving circuit (8) simultaneously.
7. commutation inversion inserting tube according to claim 6; it is characterized in that: row operation is gone forward side by side to form guard signal for gathering voltage x current in described protection circuit (6) configuration ground; this guard signal can be monitored in real time to described pwm control circuit (7), once there is over-voltage and over-current situation just control the output of described pwm control circuit (7) shutdown signal.
8. commutation inversion inserting tube according to claim 7, it is characterized in that: described full-bridge circuit (9) receives the drive singal exported from described full bridge driving circuit (8), successively switch control rule is carried out to full-bridge switch device, and making direct current be converted to high frequency pulse AC electricity and export described resonance compensation circuit (11) to by full-bridge high-frequency forward and reverse conduction, described resonance compensation circuit (11) carries out resonance compensation to signal and controls finally to export to the former avris of rotary transformer.
9. the commutation inversion inserting tube according to any one of claim 5-8, it is characterized in that: described radio communication circuit comprises data acquisition circuit and radio frequency communications circuitry, wherein, data acquisition circuit configuration ground is for gathering mud instruction, generator frequency and inverter state parameter, then these parameters are modulated to radio frequency signal through 2.4G high-frequency radio frequency and are transferred to radio frequency communications circuitry, the receiving equipment inside non rotating overcoat is sent to eventually through the radio-frequency antenna that rotary transformer is wound around, also receive simultaneously from send in non rotating overcoat with brill status information, thus realize the bidirectional data communication of center drill rod and the outer inner room of non rotating, wherein, radio-frequency antenna is stretched out by the coaxial pole (4) of commutation inversion inserting tube end and is wrapped on the former limit of rotary transformer, rotary transformer secondary antenna corresponding is with it stretched out by the radio circuit inside non rotating overcoat.
10. commutation inversion inserting tube according to claim 9, it is characterized in that: all heating power devices all adopt paster packing forms to be welded on the thick aluminium base of 1mm, aluminium base ground uniform application heat-conducting glue is close in the circuit framework structure of commutation inversion inserting tube inside, and surface coating is with fixing components and parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468366.1A CN104675387A (en) | 2014-09-15 | 2014-09-15 | Rectifier and inverter probe tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468366.1A CN104675387A (en) | 2014-09-15 | 2014-09-15 | Rectifier and inverter probe tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104675387A true CN104675387A (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468366.1A Pending CN104675387A (en) | 2014-09-15 | 2014-09-15 | Rectifier and inverter probe tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104675387A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106068272A (en) * | 2013-09-24 | 2016-11-02 | 埃拉斯塔根私人有限公司 | Method for extracting proteins |
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| CN103485766A (en) * | 2012-06-08 | 2014-01-01 | 中国石油天然气集团公司 | Wireless two-way transmission device for signals between main shaft and movable sleeve in underground rotary steering drilling tool |
| CN103580292A (en) * | 2012-07-18 | 2014-02-12 | 北京精密机电控制设备研究所 | Non-contact type electric energy transmission system used for rotary guiding well-drilling tool |
| CN103670381A (en) * | 2012-08-31 | 2014-03-26 | 北京精密机电控制设备研究所 | Slurry negative pulse data download coding method for well drilling |
| WO2014047541A1 (en) * | 2012-09-24 | 2014-03-27 | Schlumberger Canada Limited | System and method for wireless power and data transmission in a rotary steerable system |
| CN204113280U (en) * | 2014-09-15 | 2015-01-21 | 北京精密机电控制设备研究所 | A kind of commutation inversion inserting tube |
-
2014
- 2014-09-15 CN CN201410468366.1A patent/CN104675387A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645617B (en) * | 2009-08-26 | 2011-12-07 | 中国海洋石油总公司 | Slip ring |
| CN103485766A (en) * | 2012-06-08 | 2014-01-01 | 中国石油天然气集团公司 | Wireless two-way transmission device for signals between main shaft and movable sleeve in underground rotary steering drilling tool |
| CN103580292A (en) * | 2012-07-18 | 2014-02-12 | 北京精密机电控制设备研究所 | Non-contact type electric energy transmission system used for rotary guiding well-drilling tool |
| CN103670381A (en) * | 2012-08-31 | 2014-03-26 | 北京精密机电控制设备研究所 | Slurry negative pulse data download coding method for well drilling |
| WO2014047541A1 (en) * | 2012-09-24 | 2014-03-27 | Schlumberger Canada Limited | System and method for wireless power and data transmission in a rotary steerable system |
| CN204113280U (en) * | 2014-09-15 | 2015-01-21 | 北京精密机电控制设备研究所 | A kind of commutation inversion inserting tube |
Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106068272A (en) * | 2013-09-24 | 2016-11-02 | 埃拉斯塔根私人有限公司 | Method for extracting proteins |
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| PB01 | Publication | ||
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Application publication date: 20150603 |