CN104407227A - Power grid pole mud resistivity measurement system - Google Patents
Power grid pole mud resistivity measurement system Download PDFInfo
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- CN104407227A CN104407227A CN201410618030.9A CN201410618030A CN104407227A CN 104407227 A CN104407227 A CN 104407227A CN 201410618030 A CN201410618030 A CN 201410618030A CN 104407227 A CN104407227 A CN 104407227A
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Abstract
The invention relates to the well logging field and discloses a power grid pole mud resistivity measurement system. The power grid pole mud resistivity measurement system of the invention comprises a mud tank and a handheld device; the handheld device comprises a resistance measurement module, a temperature measurement module, a resistivity calculation module and a USB interface; the mud tank comprises a mud tank body, a sealing cover and a USB base; an upper power grid electrode is arranged in the sealing cover; a lower power grid electrode is arranged in the mud tank; the USB base is provided with a USB connector; and the handheld device is connected with the mud tank through a USB. The power grid pole mud resistivity measurement system can provide a uniform electric field for mud in measurement, so that the accuracy of mud resistivity measurement can be improved; the USB communication interface is adopted, so that wiring is not required, and therefore, convenient operation and little possibility of making mistakes can be realized; two grounding ends are arranged in a circuit, and therefore, circuit interference can be can effectively reduced. With the power grid pole mud resistivity measurement system of the invention adopted, the size of a mud resistivity measurement instrument can be effectively decreased, and the portability of the instrument can be enhanced. According to the power grid pole mud resistivity measurement system, resistivity measurement and temperature measurement are combined together, and therefore, measuring precision can be ensured, and workload of measurement work can be decreased.
Description
Technical field
The present invention relates to well logging field, particularly relate to a kind of electrical network pole mud resistivity measuring system.
Background technology
Mud resistivity is the important parameter in well logging interpretation, and existing mud resistivity tester is bulky ground test instrument, measures inconvenience, cannot meet the on-the-spot needs that present hole condition becomes increasingly complex.Preliminary work before test is more and wiring requirement is higher, for tester brings heavy burden.Described measuring equipment case needs artificial wiring to carry out measurement mud resistivity, operation more complicated, wiring makes mistakes and measurement result can be caused not right, big current is even caused to cause personal injury, and measure the mud resistivity value of result needs under artificial calculating or inspection information just can obtain standard temperature obtained, not intuitively easy.
Further, traditional proving installation electrode mostly is strip shaped electric poles or circle shape electrode, this electrode cause mud surrounding electric field skewness with, thus have impact on measuring accuracy.
In addition, traditional test equipment can not detection resistance while detected temperatures, therefore the measurement result of resistivity is not accurate enough.Can not fully ensure thermometric precision again for the resistance measuring instrument having temperature measurement function, and measurements resistivity is had a negative impact.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention seeks to: a kind of electrical network pole mud resistivity measuring system is provided, both when measuring for mud providing uniform electric field, can promote and measuring mud resistivity precision, and providing temperature measurement function again.Adopt this measuring system effectively can reduce mud resistivity measuring instrument volume, promote instrument portability, and resistivity measurement is combined with temperature survey, ensure that measuring accuracy.
The invention provides a kind of electrical network pole mud resistivity measuring system, comprise mud tank and hand-held device;
Described hand-held device comprises resistance measuring module, temperature-measuring module, resistivity computing module and connectivity module, and described connectivity module is USB interface;
Described resistance measuring module is measured mud resistance and is transferred to resistivity computing module;
Described resistivity computing module is according to r=RS/l computation of mud resistivity, and wherein, R is resistance measuring module measured value, and S is cylindrical mud tank inner circle cross-sectional area, the distance value of l two interior electrodes;
Described temperature-measuring module provides burning voltage and is connected to form closed-loop path with thermo-sensitive resistor, measures mud temperature;
Described mud tank comprises mud tank body, and capping and USB base, be provided with electrical network electrode in capping, and be provided with lower electrical network electrode in mud tank body, USB base is provided with USB joint;
Hand-held device is connected by USB with mud tank.
Preferably, described resistance measuring module comprises supply module, current measurement module and resistance calculations module;
Described supply module, current measurement module and described mud tank composition closed-loop path;
Supply module is connected with connectivity module, for providing constant voltage for the upper electrical network electrode of mud tank and lower electrical network electrode; Described current measurement module flows through the electric current of upper electrical network electrode and lower electrical network electrode for measuring, and imports current value into resistance calculations module; Resistance calculations module computation of mud resistance also transfers to resistivity computing module.
Preferably, the top of mud tank body is installed with capping, and the bottom of mud tank body is fixedly mounted on USB base;
The inside of mud tank body has the mud that can take up mud to inject chamber, and mud injects on the wall of chamber, upper end, chamber and is provided with conductive coil, and the bottom that mud injects chamber is provided with lower electrical network electrode, and mud injects the middle set temperature sensor in chamber;
Capping lower end arranges an insulated column, and insulated column bottom is provided with electrical network electrode;
USB base is provided with USB joint, and conductive coil, lower electrical network electrode are all connected with USB joint by wire with temperature sensor.
Preferably, on mud tank, the diameter of electrical network electrode is slightly larger than the diameter of conductive coil, and is slightly less than the diameter that mud injects chamber.
Preferably, temperature-measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with mud tank thermo-sensitive resistor two ends respectively, after USB joint inserts USB interface, thermo-sensitive resistor one end is connected with earth terminal.
Preferably, resistance measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with lower electrical network electrode with upper electrical network electrode respectively, after USB joint inserts USB interface, upper electrical network electrode or lower electrical network electrode are connected with earth terminal.
Preferably, described resistivity computing module can also calculate correction factor k, and calculate correction factor k according to formula r=kR, wherein R is resistance measuring module measured value, and r is resistivity calculated value.
Adopt technique scheme, the present invention has following beneficial effect: when measuring for mud provides uniform electric field, promotes and measures mud resistivity precision; Adopt USB communication interface, and without the need to wiring, easy and simple to handle being not easy is made mistakes; Be provided with two place's earth terminals in circuit, effectively can reduce circuit interference; Be provided with temperature sensor, measuring tempeature while measurement mud resistivity, conveniently carry out the resistivity conversion at demarcation temperature.The present invention effectively can reduce mud resistivity measuring instrument volume, promotes instrument portability, and resistivity measurement is combined with temperature survey, ensure that measuring accuracy, decrease the workload of surveying work.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the electrical network pole slurry resistivity measuring device that the embodiment of the present invention provides;
Fig. 2 is the hand-held device schematic diagram that the embodiment of the present invention provides.
In figure, Reference numeral corresponds to: 1-capping, 2-bottom electrode portion, 21-second voltage electrode, 22-second galvanic electrode, 2-insulated column, the upper electrical network electrode of 3-, 4-conductive coil, 5-mud tank body, 6-mud injects chamber, 7-temperature sensor, electrical network electrode under 8-, 9-USB base, 10-USB joint, 11-first wire, 12-second wire, 13-privates, 14-privates, 15-connectivity module.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment: the invention provides a kind of electrical network pole mud resistivity measuring system, comprise mud tank and hand-held device;
Described hand-held device comprises resistance measuring module, temperature-measuring module, resistivity computing module and connectivity module, and as shown in Figure 2, described connectivity module is positioned at hand-held device bottom, and described connectivity module 15 is USB interface;
Described resistance measuring module is measured mud resistance and is transferred to resistivity computing module;
Described resistivity computing module is according to r=RS/l computation of mud resistivity, and wherein, R is resistance measuring module measured value, and S is cylindrical mud tank inner circle cross-sectional area, the distance value of l two interior electrodes;
Described temperature-measuring module provides burning voltage and is connected to form closed-loop path with thermo-sensitive resistor, measures mud temperature;
Described mud tank as shown in Figure 1, comprises mud tank body 5, and capping 1 and USB base 9, be provided with electrical network electrode 3 in capping, is provided with lower electrical network electrode 8, USB base and is provided with USB joint 10 in mud tank body;
Hand-held device is connected by USB with mud tank.
Preferably, described resistance measuring module comprises supply module, current measurement module and resistance calculations module;
Described supply module, current measurement module and described mud tank composition closed-loop path;
Supply module is connected with connectivity module 15, for providing constant voltage for the upper electrical network electrode of mud tank and lower electrical network electrode; Described current measurement module flows through the electric current of upper electrical network electrode and lower electrical network electrode for measuring, and imports current value into resistance calculations module; Resistance calculations module computation of mud resistance also transfers to resistivity computing module.
Preferably, the top of mud tank body 5 is installed with capping 1, and the bottom of mud tank body 5 is fixedly mounted on USB base 9;
The inside of mud tank body 5 has the mud that can take up mud to inject chamber 6, and mud injects on the wall of chamber, upper end, chamber 6 and is provided with conductive coil 4, and the bottom that mud injects chamber 6 is provided with lower electrical network electrode 8, and the centre that mud injects chamber 6 arranges a temperature sensor 7;
Capping 1 lower end arranges an insulated column 2, and insulated column 2 bottom is provided with electrical network electrode 3;
USB base is provided with USB joint, and conductive coil 4, lower electrical network electrode 8 are all connected with USB joint by wire with temperature sensor 7.
Conductive coil 4 is connected with the first stitch of USB joint 10 by the first wire 11, lower electrical network electrode 8 is connected with the 4th stitch of USB joint 10 by privates 14, and the two ends of temperature sensor 7 are connected with the third and fourth stitch of USB joint 10 with privates 13 respectively by the second wire 12.
Described first wire 11, second wire 12, privates 13 and privates 14 are encapsulated in the inwall of mud tank body 5, are connected along described inwall with base USB joint 10.
Preferably, on mud tank, the diameter of electrical network electrode 3 is slightly larger than the diameter of conductive coil 4, and is slightly less than the diameter that mud injects chamber 6.
Preferably, temperature-measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with mud tank thermo-sensitive resistor two ends respectively, after USB joint inserts USB interface, thermo-sensitive resistor one end is connected with earth terminal.
Preferably, resistance measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with lower electrical network electrode with upper electrical network electrode respectively, after USB joint inserts USB interface, upper electrical network electrode or lower electrical network electrode are connected with earth terminal.
Preferably, described resistivity computing module can also calculate correction factor k, and calculate correction factor k according to formula r=kR, wherein R is resistance measuring module measured value, and r is resistivity calculated value.
Above disclosedly be only several preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (7)
1. an electrical network pole mud resistivity measuring system, is characterized in that, comprises mud tank and hand-held device;
Described hand-held device comprises resistance measuring module, temperature-measuring module, resistivity computing module and connectivity module, and described connectivity module is USB interface;
Described resistance measuring module is measured mud resistance and is transferred to resistivity computing module;
Described resistivity computing module is according to r=RS/l computation of mud resistivity, and wherein, R is resistance measuring module measured value, and S is cylindrical mud tank inner circle cross-sectional area, the distance value of l two interior electrodes;
Described temperature-measuring module provides burning voltage and is connected to form closed-loop path with thermo-sensitive resistor, measures mud temperature;
Described mud tank comprises mud tank body, and capping and USB base, be provided with electrical network electrode in capping, and be provided with lower electrical network electrode in mud tank body, USB base is provided with USB joint;
Hand-held device is connected by USB with mud tank.
2. a kind of electrical network pole as claimed in claim 1 mud resistivity measuring system, it is characterized in that, described resistance measuring module comprises supply module, current measurement module and resistance calculations module;
Described supply module, current measurement module and described mud tank composition closed-loop path;
Supply module is connected with connectivity module, for providing constant voltage for the upper electrical network electrode of mud tank and lower electrical network electrode; Described current measurement module flows through the electric current of upper electrical network electrode and lower electrical network electrode for measuring, and imports current value into resistance calculations module; Resistance calculations module computation of mud resistance also transfers to resistivity computing module.
3. a kind of electrical network pole as claimed in claim 1 mud resistivity measuring system, it is characterized in that, the top of mud tank body is installed with capping, and the bottom of mud tank body is fixedly mounted on USB base;
The inside of mud tank body has the mud that can take up mud to inject chamber, and mud injects on the wall of chamber, upper end, chamber and is provided with conductive coil, and the bottom that mud injects chamber is provided with lower electrical network electrode, and mud injects the middle set temperature sensor in chamber;
Capping lower end arranges an insulated column, and insulated column bottom is provided with electrical network electrode;
USB base is provided with USB joint, and conductive coil, lower electrical network electrode are all connected with USB joint by wire with temperature sensor.
4. as a kind of electrical network pole mud resistivity measuring system in claim 1-3 as described in any one, it is characterized in that, on mud tank, the diameter of electrical network electrode is slightly larger than the diameter of conductive coil, and is slightly less than the diameter that mud injects chamber.
5. a kind of electrical network pole as claimed in claim 4 mud resistivity measuring system, it is characterized in that, temperature-measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with mud tank thermo-sensitive resistor two ends respectively, and after USB joint inserts USB interface, thermo-sensitive resistor one end is connected with earth terminal.
6. a kind of electrical network pole as claimed in claim 5 mud resistivity measuring system, it is characterized in that, resistance measuring module has voltage end and earth terminal, two stitch of USB interface are connected with earth terminal with described voltage end respectively, accordingly, two stitch in USB joint are connected with lower electrical network electrode with upper electrical network electrode respectively, and after USB joint inserts USB interface, upper electrical network electrode or lower electrical network electrode are connected with earth terminal.
7. a kind of electrical network pole as described in claim 6 mud resistivity measuring system, it is characterized in that, described resistivity computing module can also calculate correction factor k, calculates correction factor k according to formula r=kR, wherein R is resistance measuring module measured value, and r is resistivity calculated value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618030.9A CN104407227A (en) | 2014-11-05 | 2014-11-05 | Power grid pole mud resistivity measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618030.9A CN104407227A (en) | 2014-11-05 | 2014-11-05 | Power grid pole mud resistivity measurement system |
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| CN104407227A true CN104407227A (en) | 2015-03-11 |
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| CN201410618030.9A Pending CN104407227A (en) | 2014-11-05 | 2014-11-05 | Power grid pole mud resistivity measurement system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714097A (en) * | 2015-04-02 | 2015-06-17 | 中国矿业大学(北京) | On-line cement-based material resistivity tester |
| CN106771070A (en) * | 2016-12-26 | 2017-05-31 | 湖北水总水利水电建设股份有限公司 | The apparatus and method of silt/sludge dehydration speed under the conditions of a kind of test multiple physical field |
| CN106770483A (en) * | 2016-12-29 | 2017-05-31 | 兰州大学 | Measurement apparatus |
| CN111141785A (en) * | 2020-02-26 | 2020-05-12 | 防灾科技学院 | Soil resistivity measuring device and method and storage medium |
-
2014
- 2014-11-05 CN CN201410618030.9A patent/CN104407227A/en active Pending
Non-Patent Citations (2)
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| 姚绍雄等: ""一种手持式泥浆性能测试杯设计"", 《机械工程师》 * |
| 林彩霞等: ""TRT-1B 温度电阻率测井仪推广应用"", 《江汉石油科技》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714097A (en) * | 2015-04-02 | 2015-06-17 | 中国矿业大学(北京) | On-line cement-based material resistivity tester |
| CN104714097B (en) * | 2015-04-02 | 2018-01-09 | 中国矿业大学(北京) | A kind of cement-based material resistivity on-line determination instrument |
| CN106771070A (en) * | 2016-12-26 | 2017-05-31 | 湖北水总水利水电建设股份有限公司 | The apparatus and method of silt/sludge dehydration speed under the conditions of a kind of test multiple physical field |
| CN106770483A (en) * | 2016-12-29 | 2017-05-31 | 兰州大学 | Measurement apparatus |
| CN106770483B (en) * | 2016-12-29 | 2023-10-20 | 兰州大学 | Measuring device |
| CN111141785A (en) * | 2020-02-26 | 2020-05-12 | 防灾科技学院 | Soil resistivity measuring device and method and storage medium |
| CN111141785B (en) * | 2020-02-26 | 2023-04-25 | 防灾科技学院 | Soil resistivity measuring device, method and storage medium |
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Application publication date: 20150311 |
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