Summary of the invention
For overcoming the deficiencies in the prior art, the object of the invention is: provide a kind of hand-held mud resistivity measurement mechanism, this device body compact structure is simple, and measuring accuracy is accurate.
In order to solve the technical matters in background technology, the invention provides a kind of hand-held mud resistivity measurement mechanism, comprise probe and the handset of long strip-board shape, wherein probe comprises the USB joint being located at probe upper end and the electrode section being located at probe middle and lower part, described electrode section is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint with voltage electrode, described handset comprises housing, the metering circuit plate being arranged on the USB interface in housing and being connected with described USB interface, probe is connected with USB interface by USB joint with handset.
Preferably, the USB interface on described handset and public connector connect to form USB adapter, and described metering circuit plate is fixed with for plugging with described USB adapter the female connectors be connected, and described USB interface is arranged on the lower ending opening place of handset.
Preferably, described galvanic electrode comprises the first galvanic electrode and second galvanic electrode of sheet, voltage electrode comprises the first voltage electrode and second voltage electrode of sheet, the first galvanic electrode, the first voltage electrode, the second voltage electrode and the second galvanic electrode is provided with successively from the upper end of electrode section to lower end, a certain distance is provided with between described first voltage electrode and the second voltage electrode, the size of any two electrodes is identical, and any one electrode is attached at the probe pros and cons of sustained height through also decile of popping one's head in.
Alternatively, described galvanic electrode comprises the first galvanic electrode and second galvanic electrode of sheet, voltage electrode comprises the first voltage electrode and second voltage electrode of sheet, the first galvanic electrode is provided with successively to lower end from the upper end of electrode section, first voltage electrode, second voltage electrode and the second galvanic electrode, a certain distance is provided with between described first voltage electrode and the second voltage electrode, the size of any two electrodes is identical, any one electrode decile is attached at the probe pros and cons of sustained height, and the electrode slice being provided with the hole of the electrode slice running through sustained height on pros and cons or the probe pros and cons of sustained height is coupled together by wire.
Alternatively, described handset also comprise for display measurement result display screen and be arranged on the guidance panel of surface of shell, the guidance panel of described handset is provided with key, measures key and the demarcation key for calibration measurements parameter.
Preferably, described probe also comprises the clamping part be located at above electrode section, the width of clamping part becomes large compared with the width above it, and the both sides of clamping part are provided with clamping limb, form the clamping gap for clamping mud tank tank mouth between the lower end of described clamping limb and described clamping part.
Alternatively, electrode section is provided with temperature sensor between the first voltage electrode and the second voltage electrode, the two ends of described temperature sensor are connected with two pins of USB joint by wire, the lower end of described electrode section is near the lower end being arranged at probe, the width of electrode section lower end becomes large compared with the width on top, and probe lower surface is provided with rounding.
Particularly, the processor in described handset on metering circuit plate is connected with two pins of USB interface on handset by wire, for judging whether handset is communicated with probe.
Particularly, when USB interface on described handset is connected with the interface for the more downloader of fresh code, the pair of pins of described USB interface is connected with the output terminal of described downloader.
Preferably, preferably, spacing range between described first voltage electrode and the second voltage electrode is 2.5-4 times of electrode horizontal length, and the horizontal length of any one electrode is 0.7-0.9 times of mud tank internal diameter, and the inside diameter ranges of described mud tank is 15-30mm.
The principle of hand-held mud resistivity measurement mechanism of the present invention 1. feeds certain electric current to mud, diverse location in mud is made to produce potential difference (PD), voltage and current signal according to gathering can computation of mud resistance value, then according to the electrode size in the size of mud tank and probe, according to formulacan computation of mud resistivity; 2. the electrode in outside is that mud is powered, two electrode measurement electric potential differences of inner side, and the reasonable layout of electrode ensure that the accuracy of measurement; 3. USB communication interface is adopted, and without the need to complex operations such as wiring; 4. temperature sensor be arranged so that while test resistance rate, the measurement of fluid temperature can be carried out in real time; 5. mud resistivity measuring sonde is provided with the clamping limb for clamp mud tank, making probe insert mud tank time mud tank carries out measuring can operate by taken away from desktop, improves the convenience measured; 6. probe and mud tank can be used as single use, solve a difficult problem for cleaning.
Adopt technique scheme, the present invention has following beneficial effect: 1. adopt USB communication interface, and without the need to wiring, easy and simple to handle being not easy is made mistakes; 2. sonde configuration is light and handy, without the need to Alternating Current Power Supply, is easy to carry; 3. probe is provided with temperature sensor, measuring tempeature while measurement mud resistivity, conveniently carries out the resistivity conversion at demarcation temperature; 4. pop one's head in the clamping limb that is provided with for clamp mud tank, mud tank can follow probe taken away from desktop, measures easy and simple to handle; 5. the measurement mechanism manufacture craft of probe and mud tank is simple, cost-saving; 6. probe and mud tank can single use, avoid because Reusability causes electrode polarization and affect measuring accuracy.In sum, mud resistivity measuring sonde light structure of the present invention, easy and simple to handle, measuring accuracy is high.
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.
The structural representation of the hand-held mud resistivity measurement mechanism that embodiment 1: Fig. 1 provides for the embodiment of the present invention, can be clear that in figure that described hand-held mud resistivity measurement mechanism comprises probe 1 and the handset 2 of long strip-board shape, wherein probe 1 comprises the USB joint 11 being located at probe 1 upper end and the electrode section 13 being located at probe 1 middle and lower part, described electrode section 13 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 11 with voltage electrode, described handset 2 comprises housing 21, the metering circuit plate 23 being arranged on the USB interface 22 in housing 21 and being connected with described USB interface 22, probe 1 is connected with USB interface 22 by USB joint 11 with handset 2.
Preferably, USB interface 22 on described handset 2 connects to form USB adapter with public connector, described metering circuit plate 23 is fixed with for plugging with described USB adapter the female connectors be connected, described USB interface 22 is arranged on the lower ending opening place of handset 2, when USB interface causes damage through repeatedly plugging time, only need to pull up old USB adapter, change and plug new USB adapter, and do not need soldered circuit board again.
Preferably, described galvanic electrode comprises the first galvanic electrode 131 and the second galvanic electrode 134 of sheet, voltage electrode comprises the first voltage electrode 132 and the second voltage electrode 133 of sheet, the first galvanic electrode 131 is provided with successively from the upper end of electrode section 13 to lower end, first voltage electrode 132, second voltage electrode 133 and the second galvanic electrode 134, a certain distance is provided with between described first voltage electrode 132 and the second voltage electrode 133, four electrodes are parallel to each other, the size of any two electrodes is identical, any one electrode is attached at probe 1 pros and cons of sustained height through probe 1 decile.
In the present embodiment, the internal diameter of described mud tank 5 is preferably 20mm, the horizontal length of any one electrode is preferably 16mm, spacing between described first voltage electrode 132 and the second voltage electrode 133 is preferably 40mm, spacing between described first galvanic electrode 131 and the first voltage electrode 132 is preferably 10mm, and the spacing between described second voltage electrode 133 and the second galvanic electrode 134 is preferably 10mm.
Alternatively, described handset 2 also comprise for display measurement result display screen 24 and be arranged on the guidance panel 25 on housing 21 surface, the guidance panel 25 of described handset 2 is provided with key, measures key and the demarcation key for calibration measurements parameter.When concrete operations, first press key and open handset, press measurement key again, automatically after carrying out the some seconds time of inverse, measure mud resistivity and Current Temperatures and by both displays on a display screen, when press demarcate key time, display screen is shown as and is converted to the mud resistivity demarcated at temperature.
Preferably, described probe also comprises the clamping part 12 be located at above electrode section 13, the width of clamping part 12 becomes large compared with the width above it, the both sides of clamping part 12 are provided with clamping limb 14, the clamping gap 15 for clamping mud tank 3 tank mouth is formed between the lower end of described clamping limb 14 and described clamping part 12, when stretching into when popping one's head in the mud to be measured in mud tank, described clamping limb is clamped the tank skin of mud tank and mud tank can be made to follow probe taken away from desktop.
Alternatively, electrode section 13 is provided with temperature sensor 16 between first voltage electrode 132 and the second voltage electrode 133, the two ends of described temperature sensor 16 are connected with two pins of USB joint 11 by wire, when inserting in mud to be measured when popping one's head in, temperature sensor to be positioned in the middle part of mud and fully to contact with mud, the lower end of described electrode section 13 is near the lower end being arranged at probe 1, the width of electrode section 13 lower end becomes large compared with the width on top, the width of probe 1 is greater than the width of electrode, the impulsive force of mud to electrode is reduced when popping one's head in and inserting in mud to be measured, effectively prevent probe 1 front and back in mud tank 3 from rocking simultaneously, 1 lower surface of popping one's head in is provided with rounding 17, the width in bottom electrode portion 2 is greater than the length of electrode, when inserting in mud to be measured when popping one's head in, mud is during insertion avoided to cause damage to the electrode in bottom electrode portion 2.
Particularly, the processor in described handset 2 on metering circuit plate 23 is connected with two pins of USB interface 22 on handset 2 by wire, for judging whether handset is communicated with probe.When handset is communicated with probe, one of them pin ground connection that probe is connected with processor, processor becomes low level from high level, and described processor judges that handset is connected with probe, and shows connection mark on a display screen; Otherwise then judge that handset is not connected with probe, and show disconnection mark on a display screen.
Particularly, when USB interface 22 on described handset 2 is connected with the interface for the more downloader of fresh code, the pair of pins of described USB interface 22 is connected with the output terminal of described downloader.
The structural representation of the hand-held mud resistivity measurement mechanism that embodiment 2: Fig. 1 provides for the embodiment of the present invention, can be clear that in figure that described hand-held mud resistivity measurement mechanism comprises probe 1 and the handset 2 of long strip-board shape, wherein probe 1 comprises the USB joint 11 being located at probe 1 upper end and the electrode section 13 being located at probe 1 middle and lower part, described electrode section 13 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 11 with voltage electrode, described handset 2 comprises housing 21, the metering circuit plate 23 being arranged on the USB interface 22 in housing 21 and being connected with described USB interface 22, probe 1 is connected with USB interface 22 by USB joint 11 with handset 2.
Preferably, USB interface 22 on described handset 2 connects to form USB adapter with public connector, described metering circuit plate 23 is fixed with for plugging with described USB adapter the female connectors be connected, described USB interface 22 is arranged on the lower ending opening place of handset 2, when USB interface causes damage through repeatedly plugging time, only need to pull up old USB adapter, change and plug new USB adapter, and do not need soldered circuit board again.
Preferably, described galvanic electrode comprises the first galvanic electrode 131 and the second galvanic electrode 134 of sheet, voltage electrode comprises the first voltage electrode 132 and the second voltage electrode 133 of sheet, the first galvanic electrode 131 is provided with successively from the upper end of electrode section 13 to lower end, first voltage electrode 132, second voltage electrode 133 and the second galvanic electrode 134, a certain distance is provided with between described first voltage electrode 132 and the second voltage electrode 133, four electrodes are parallel to each other, the size of any two electrodes is identical, any one electrode decile is attached at the probe pros and cons of sustained height and is provided with the hole of the electrode slice running through sustained height on pros and cons, when inserting in mud when popping one's head in, mud is through described hole, electrode slice on the probe pros and cons of sustained height is coupled together by conductive drilling mud.
In the present embodiment, the internal diameter of described mud tank 5 is preferably 35mm, the horizontal length of any one electrode is preferably 22mm, spacing between described first voltage electrode 132 and the second voltage electrode 133 is preferably 55mm, spacing between described first galvanic electrode 131 and the first voltage electrode 132 is preferably 10mm, and the spacing between described second voltage electrode 133 and the second galvanic electrode 134 is preferably 10mm.
Alternatively, described handset 2 also comprise for display measurement result display screen 24 and be arranged on the guidance panel 25 on housing 21 surface, the guidance panel 25 of described handset 2 is provided with key, measures key and the demarcation key for calibration measurements parameter.When concrete operations, first press key and open handset, then press measurement key, after automatically carrying out the some seconds time of inverse, measure mud resistivity and Current Temperatures and by both displays on a display screen.
Preferably, described probe also comprises the clamping part 12 be located at above electrode section 13, the width of clamping part 12 becomes large compared with the width above it, the both sides of clamping part 12 are provided with clamping limb 14, the clamping gap 15 for clamping mud tank 3 tank mouth is formed between the lower end of described clamping limb 14 and described clamping part 12, when stretching into when popping one's head in the mud to be measured in mud tank, described clamping limb is clamped the tank skin of mud tank and mud tank can be made to follow probe taken away from desktop.
Alternatively, electrode section 13 is provided with temperature sensor 16 between first voltage electrode 132 and the second voltage electrode 133, the two ends of described temperature sensor 16 are connected with two pins of USB joint 11 by wire, when inserting in mud to be measured when popping one's head in, temperature sensor to be positioned in the middle part of mud and fully to contact with mud, the lower end of described electrode section 13 is near the lower end being arranged at probe 1, the width of electrode section 13 lower end becomes large compared with the width on top, the width of probe 1 is greater than the width of electrode, the impulsive force of mud to electrode is reduced when popping one's head in and inserting in mud to be measured, effectively prevent probe 1 front and back in mud tank 3 from rocking simultaneously, 1 lower surface of popping one's head in is provided with rounding 17, the width in bottom electrode portion 2 is greater than the length of electrode, when inserting in mud to be measured when popping one's head in, mud is during insertion avoided to cause damage to the electrode in bottom electrode portion 2.
Particularly, the processor in described handset 2 on metering circuit plate 23 is connected with two pins of USB interface 22 on handset 2 by wire, for judging whether handset is communicated with probe.When handset is communicated with probe, one of them pin ground connection that probe is connected with processor, processor becomes low level from high level, and described processor judges that handset is connected with probe, and shows connection mark on a display screen; Otherwise then judge that handset is not connected with probe, and show disconnection mark on a display screen.
Particularly, when USB interface 22 on described handset 2 is connected with the interface for the more downloader of fresh code, the pair of pins of described USB interface 22 is connected with the output terminal of described downloader.
The structural representation of the hand-held mud resistivity measurement mechanism that embodiment 3: Fig. 1 provides for the embodiment of the present invention, can be clear that in figure that described hand-held mud resistivity measurement mechanism comprises probe 1 and the handset 2 of long strip-board shape, wherein probe 1 comprises the USB joint 11 being located at probe 1 upper end and the electrode section 13 being located at probe 1 middle and lower part, described electrode section 13 is provided with the galvanic electrode for obtaining mud electric current and measures the voltage electrode of mud voltage, described galvanic electrode is connected respectively by the pin that wire is different from described USB joint 11 with voltage electrode, described handset 2 comprises housing 21, the metering circuit plate 23 being arranged on the USB interface 22 in housing 21 and being connected with described USB interface 22, probe 1 is connected with USB interface 22 by USB joint 11 with handset 2.
Preferably, described galvanic electrode comprises the first galvanic electrode 131 and the second galvanic electrode 134 of sheet, voltage electrode comprises the first voltage electrode 132 and the second voltage electrode 133 of sheet, the first galvanic electrode 131 is provided with successively from the upper end of electrode section 13 to lower end, first voltage electrode 132, second voltage electrode 133 and the second galvanic electrode 134, a certain distance is provided with between described first voltage electrode 132 and the second voltage electrode 133, four electrodes are parallel to each other, the size of any two electrodes is identical, any one electrode decile is attached at probe 1 pros and cons of sustained height, the electrode slice of probe 1 pros and cons of sustained height is coupled together by wire.
In the present embodiment, the internal diameter of described mud tank 5 is preferably 15mm, the horizontal length of any one electrode is preferably 12mm, spacing between described first voltage electrode 132 and the second voltage electrode 133 is preferably 35mm, spacing between described first galvanic electrode 131 and the first voltage electrode 132 is preferably 10mm, and the spacing between described second voltage electrode 133 and the second galvanic electrode 134 is preferably 10mm.
Alternatively, described handset 2 also comprise for display measurement result display screen 24 and be arranged on the guidance panel 25 on housing 21 surface, the guidance panel 25 of described handset 2 is provided with key, measures key and the demarcation key for calibration measurements parameter.When concrete operations, first press key and open handset, press measurement key again, automatically after carrying out the some seconds time of inverse, measure mud resistivity and Current Temperatures and by both displays on a display screen, when press demarcate key time, display screen is shown as and is converted to the mud resistivity demarcated at temperature.
Preferably, described probe also comprises the clamping part 12 be located at above electrode section 13, the width of clamping part 12 becomes large compared with the width above it, the both sides of clamping part 12 are provided with clamping limb 14, the clamping gap 15 for clamping mud tank 3 tank mouth is formed between the lower end of described clamping limb 14 and described clamping part 12, when stretching into when popping one's head in the mud to be measured in mud tank, described clamping limb is clamped the tank skin of mud tank and mud tank can be made to follow probe taken away from desktop.
Alternatively, electrode section 13 is provided with temperature sensor 16 between first voltage electrode 132 and the second voltage electrode 133, the two ends of described temperature sensor 16 are connected with two pins of USB joint 11 by wire, when inserting in mud to be measured when popping one's head in, temperature sensor to be positioned in the middle part of mud and fully to contact with mud, the lower end of described electrode section 13 is near the lower end being arranged at probe 1, the width of electrode section 13 lower end becomes large compared with the width on top, the width of probe 1 is greater than the width of electrode, the impulsive force of mud to electrode is reduced when popping one's head in and inserting in mud to be measured, effectively prevent probe 1 front and back in mud tank 3 from rocking simultaneously, 1 lower surface of popping one's head in is provided with rounding 17, the width in bottom electrode portion 2 is greater than the length of electrode, when inserting in mud to be measured when popping one's head in, mud is during insertion avoided to cause damage to the electrode in bottom electrode portion 2.
Particularly, the processor in described handset 2 on metering circuit plate 23 is connected with two pins of USB interface 22 on handset 2 by wire, for judging whether handset is communicated with probe.When handset is communicated with probe, one of them pin ground connection that probe is connected with processor, processor becomes low level from high level, and described processor judges that handset is connected with probe, and shows connection mark on a display screen; Otherwise then judge that handset is not connected with probe, and show disconnection mark on a display screen.
Particularly, when USB interface 22 on described handset 2 is connected with the interface for the more downloader of fresh code, the pair of pins of described USB interface 22 is connected with the output terminal of described downloader.
Hand-held mud resistivity measurement mechanism compact structure of the present invention, do not need ac power supply, easy to carry, pop one's head in and with low costly make single use, solve a difficult problem for cleaning and polarization, can with the handset with USB interface with the use of, measure mud resistivity precision high, adopt USB interface to eliminate the step of wiring, measure easy and simple to handle.
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.