CN205139062U - Coefficient of heat conductivity unites accuracy of measurement with resistivity - Google Patents
Coefficient of heat conductivity unites accuracy of measurement with resistivity Download PDFInfo
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- CN205139062U CN205139062U CN201520910216.1U CN201520910216U CN205139062U CN 205139062 U CN205139062 U CN 205139062U CN 201520910216 U CN201520910216 U CN 201520910216U CN 205139062 U CN205139062 U CN 205139062U
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Abstract
The utility model discloses a coefficient of heat conductivity unites accuracy of measurement with resistivity, including first probe, second probe, third probe, fourth probe, the 5th probe and the 6th probe, wherein first probe, second probe, third probe and fourth probe equidistance linear arrangement, the 5th probe and the 6th probe symmetry set up the both sides at the second probe. First probe, third probe, the 5th probe and the 6th probe embed temperature sensor. Power supply utmost point AC1 is connected to first probe shell, and the second probe embeds heating device, and measuring electrode MP1 is connected to second probe shell, and measuring electrode NP2, fourth probe connector power supply utmost point BC2 are connected to third probe shell. Beneficial effect: horizontal and longitudinal resistivity parameter that can the simultaneous measurement soil body have effectively avoided the secondary to measure the error of introduction, are suitable for extensive popularization.
Description
Technical field
The utility model relates to a kind of combined measurement probe, and particularly a kind of coefficient of heat conductivity and resistivity combined measurement are popped one's head in.
Background technology
At present, along with the development of our economic construction, city space is reduced day by day, therefore larger demand is had to geology engineering research, in the performance history of many underground workss, test and application Soil Thermal, all need high-quality soil physics data in the laboratory of water and solute transport model and field condition experiment.Therefore, obtain the exploitation of these data to engineering construction and underground energy to be significant, wherein soil body coefficient of heat conductivity, water percentage, soil body conductivity etc. have larger impact to engineering, and current facility and method can not meet the demand of present stage, there are larger shortcomings and deficiencies.
Along with electronics, data record, the progress of calculating and numerical method aspect, the instrument of measurement soil property is also obtaining improvement progressively.This type of innovation has TDR technology, capacitance probe, heat dissipation sensor, line power probe and other innovations.Compact probe kind equipment obtained the extensive accreditation of people afterwards, the method using probe measurement soil body coefficient of heat conductivity and water percentage has been found in 1991, develop dual-purpose probe kind equipment recently, although these new innovations are comparatively ripe with regard to practicality and reliability in measurement soil moisture content.But, in order to avoid the impact that double measurement produces the soil body, adopt same device simultaneously heat conducting coefficient measuring and resistivity two physical parameters, invented this Multi-functional probe, so that carry out scientific research that the hot physical property of the soil body and electrical parameter measure and production practices.
Summary of the invention
The purpose of this utility model is impact in order to avoid double measurement produces the soil body and a kind of coefficient of heat conductivity provided and resistivity combined measurement are popped one's head in.
The coefficient of heat conductivity that the utility model provides and resistivity combined measurement are popped one's head in and are included the first probe, the second probe, the 3rd probe, four point probe, the 5th probe and the 6th probe, wherein the first probe, the second probe, the 3rd probe and four point probe are equidistantly aligned, and the 5th probe and the 6th probe are symmetricly set on the both sides of the second probe.
First probe, the 3rd probe, the 5th probe and the 6th probe built-in temperature sensor.
First probe case connects power pole A/C1, the built-in heating arrangement of the second probe, and the second probe case connects potential electrode M/P1, and the 3rd probe case connects potential electrode N/P2, and four point probe connects power pole B/C2.
Four point probe adopts inside to be hollow carbon fiber bar, has the first aglet, the second aglet, the 3rd aglet and the 4th aglet in carbon fiber bar outer setting; First aglet, the second aglet, the 3rd aglet and the 4th aglet are as the resistivity of four electrode measurement medium longitudinal directions, wherein the first aglet is electrodes of A, second aglet is potential electrode M, and the 3rd aglet is potential electrode N, and the 4th aglet is transmitting electrode B.
Use principle of the present utility model:
1, powered with the set time by the heating arrangement that the second probe is built-in during heat conducting coefficient measuring, utilize the temperature data of the temperature sensor record in datalogger record first probe of specialty, the 3rd probe, the 5th probe and the 6th probe simultaneously, calculate the coefficient of heat conductivity of the soil body further.Utilize specialized equipment by the electrode power supply on the first probe and four point probe when measuring soil body transverse resistivity, measure the potential difference (PD) between the second probe and the 3rd probe top electrode and supply current, thus realize the test of soil body transverse resistivity.Utilize equipment to be powered by the first aglet on four point probe and the 4th aglet when measuring soil body longitudinal resistivity, measure the potential difference (PD) between the second aglet and the 3rd aglet and supply current, thus realize the test of soil body longitudinal resistivity.First probe, the second probe, the 3rd probe, the 5th probe and the 6th probe diameter 0.1 centimetre, length is 2.8 centimetres.Adjacent probe spacing is 0.5 centimetre.Four point probe diameter 0.1 centimetre, length is 4.9 centimetres.The width of the first aglet, the second aglet, the 3rd aglet and the 4th aglet is 0.1 centimetre, spacing 0.5 centimetre.
2, thermal conductivity measurement: the second probe comprises the line power supply well heater made by resistance alloys, the first probe, the 3rd probe, the 5th probe and the built-in thermistor (temperature) sensor of the 6th probe; After second probe receives instruction, the thermal pulse utilizing line power supply well heater to send 8s heats the soil body, the temperature of the first probe, four point probe, the 5th probe and the 6th probe measurement soil medium, and process draws maximum mean temperature difference (MTD) Δ T
m, according to being heated to maximum temperature difference required time and maximum temperature difference draws soil body unit specific heat capacity and coefficient of heat conductivity;
3, resistivity measurement: when measuring soil body transverse resistivity, powered in the soil body by the first probe and the 3rd probe case, measure supply current, simultaneously the potential difference (PD) of the second probe and the 3rd probe measurement stable DC electric field, utilize symmetrical quadrupole device form to calculate resistivity value.When measuring soil body longitudinal resistivity, the first aglet on four point probe and the 4th aglet are powered to the soil body as transmitting electrode, measure supply current, and the potential difference (PD) of DC electric field is measured in the second aglet simultaneously and the 3rd aglet, calculates resistivity value.
The beneficial effects of the utility model:
The coefficient of heat conductivity that the utility model provides and resistivity combined measurement sonde configuration simple, easy to operate, Determination of conductive coefficients data are carried out more reliable by the data of four temperature sensor measurements, precision is higher, and the horizontal and vertical resistance parameter of the soil body can be measured simultaneously, effectively prevent the error that double measurement is introduced, be suitable for extensive popularization.
Accompanying drawing explanation
Fig. 1 is section structure schematic diagram of the present utility model.
Fig. 2 is the utility model one-piece construction schematic diagram.
1, the first probe 2, second probe 3, the 3rd probe 4, four point probe 5, the 5th probe
6, the 6th probe 7, first aglet 8, second aglet 9, the 3rd aglet
10, the 4th aglet.
Embodiment
Refer to shown in Fig. 1 and Fig. 2:
The coefficient of heat conductivity that the utility model provides and resistivity combined measurement are popped one's head in and are included the first probe 1, second probe 2, the 3rd probe 3, four point probe 4, the 5th probe 5 and the 6th probe 6, wherein the first probe 1, second probe 2, the 3rd probe 3 and four point probe 4 are equidistantly aligned, and the 5th probe 5 and the 6th probe 6 are symmetricly set on the both sides of the second probe 2.
First probe 1, the 3rd probe 3, the 5th probe 5 and the 6th probe 6 built-in temperature sensor.
First probe 1 shell connects power pole A/C1, the built-in heating arrangement of the second probe 2, and the second probe 2 shell connects potential electrode M/P1, and the 3rd probe 3 shell connects potential electrode N/P2, and four point probe 4 connects power pole B/C2.
It is hollow carbon fiber bar that four point probe 4 adopts inner, has the first aglet 7, second aglet 8, the 3rd aglet 9 and the 4th aglet 10 in carbon fiber bar outer setting; First aglet 7, second aglet 8, the 3rd aglet 9 and the 4th aglet 10 are as the resistivity of four electrode measurement medium longitudinal directions, wherein the first aglet 7 is electrodes of A, second aglet 8 is potential electrode M, 3rd aglet 9 is potential electrode N, and the 4th aglet 10 is transmitting electrode B.
Use principle of the present utility model:
1, powered with the set time by the heating arrangement that the second probe 2 is built-in during heat conducting coefficient measuring, utilize the temperature data of the temperature sensor record in datalogger record first probe the 1, the 3rd probe 3 of specialty, the 5th probe 5 and the 6th probe 6 simultaneously, calculate the coefficient of heat conductivity of the soil body further.Utilize specialized equipment by the electrode power supply on the first probe 1 and four point probe 4 when measuring soil body transverse resistivity, measure the potential difference (PD) between the second probe 2 and the 3rd probe 3 top electrode and supply current, thus realize the test of soil body transverse resistivity.Utilize equipment to be powered by the first aglet 7 on four point probe 4 and the 4th aglet 10 when measuring soil body longitudinal resistivity, measure the potential difference (PD) between the second aglet 8 and the 3rd aglet 9 and supply current, thus realize the test of soil body longitudinal resistivity.First probe 1, second probe 2, the 3rd probe 3, the 5th probe 5 and the 6th probe 6 diameter 0.1 centimetre, length is 2.8 centimetres.Adjacent probe spacing is 0.5 centimetre.Four point probe 4 diameter 0.1 centimetre, length is 4.9 centimetres.The width of the first aglet 7, second aglet 8, the 3rd aglet 9 and the 4th aglet 10 is 0.1 centimetre, spacing 0.5 centimetre.
2, thermal conductivity measurement: the second probe 2 comprises the line power supply well heater made by resistance alloys, the first probe 1, the 3rd probe 3, the 5th probe 5 and the built-in thermistor (temperature) sensor of the 6th probe 6; After second probe 2 receives instruction, the thermal pulse utilizing line power supply well heater to send 8s heats the soil body, and the temperature of soil medium measured by the first probe 1, four point probe 4, the 5th probe 5 and the 6th probe 6, and process draws maximum mean temperature difference (MTD) Δ T
m, according to being heated to maximum temperature difference required time and maximum temperature difference draws soil body unit specific heat capacity and coefficient of heat conductivity;
3, resistivity measurement: when measuring soil body transverse resistivity, powered in the soil body by the first probe 1 and the 3rd probe 3 shell, measure supply current, simultaneously the potential difference (PD) of the second probe 2 and the 3rd probe 3 Measurement sensibility DC electric field, utilize symmetrical quadrupole device form to calculate resistivity value.When measuring soil body longitudinal resistivity, the first aglet 7 on four point probe 4 and the 4th aglet 10 are powered to the soil body as transmitting electrode, measure supply current, the potential difference (PD) of DC electric field is measured in the second aglet 8 simultaneously and the 3rd aglet 9, calculates resistivity value.
Claims (4)
1. a coefficient of heat conductivity and resistivity combined measurement are popped one's head in, it is characterized in that: include the first probe, the second probe, the 3rd probe, four point probe, the 5th probe and the 6th probe, wherein the first probe, the second probe, the 3rd probe and four point probe are equidistantly aligned, and the 5th probe and the 6th probe are symmetricly set on the both sides of the second probe.
2. a kind of coefficient of heat conductivity according to claim 1 and resistivity combined measurement are popped one's head in, and it is characterized in that: the first described probe, the 3rd probe, the 5th probe and the 6th probe built-in temperature sensor.
3. a kind of coefficient of heat conductivity according to claim 1 and resistivity combined measurement are popped one's head in, it is characterized in that: the first described probe case connects power pole A/C1, the built-in heating arrangement of second probe, second probe case connects potential electrode M/P1,3rd probe case connects potential electrode N/P2, and four point probe connects power pole B/C2.
4. a kind of coefficient of heat conductivity according to claim 1 and resistivity combined measurement are popped one's head in, it is characterized in that: it is hollow carbon fiber bar that described four point probe adopts inner, has the first aglet, the second aglet, the 3rd aglet and the 4th aglet in carbon fiber bar outer setting; First aglet, the second aglet, the 3rd aglet and the 4th aglet are as the resistivity of four electrode measurement medium longitudinal directions, wherein the first aglet is electrodes of A, second aglet is potential electrode M, and the 3rd aglet is potential electrode N, and the 4th aglet is transmitting electrode B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910216.1U CN205139062U (en) | 2015-11-16 | 2015-11-16 | Coefficient of heat conductivity unites accuracy of measurement with resistivity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520910216.1U CN205139062U (en) | 2015-11-16 | 2015-11-16 | Coefficient of heat conductivity unites accuracy of measurement with resistivity |
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| CN205139062U true CN205139062U (en) | 2016-04-06 |
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| CN201520910216.1U Expired - Fee Related CN205139062U (en) | 2015-11-16 | 2015-11-16 | Coefficient of heat conductivity unites accuracy of measurement with resistivity |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442621A (en) * | 2016-12-15 | 2017-02-22 | 吉林大学 | In-situ measurement probe for stratigraphic thermophysical parameters |
| CN106645962A (en) * | 2016-12-08 | 2017-05-10 | 中国海洋大学 | Marine soil resistivity measuring method and device |
| CN106841291A (en) * | 2017-04-08 | 2017-06-13 | 天津城建大学 | For determining each device and its method of testing to thermal conductivity factor of frozen soil |
| CN106841317A (en) * | 2017-01-25 | 2017-06-13 | 浙江大学 | Polluted Soil conductivity measurement and electric osmose process electrical parameter change real-time monitoring device |
| CN107589147A (en) * | 2017-09-14 | 2018-01-16 | 三峡大学 | It is a kind of to measure soil body thermal conductivity factor and the device and method of resistivity simultaneously |
| CN108107072A (en) * | 2017-12-06 | 2018-06-01 | 河海大学 | A kind of soil body Determination of conductive coefficients method and experimental rig |
| CN109655495A (en) * | 2018-12-21 | 2019-04-19 | 南京大学（苏州）高新技术研究院 | A kind of soil body layering thermal coefficient is in situ quickly to test probe, system and method |
| CN110320234A (en) * | 2019-08-09 | 2019-10-11 | 天津城建大学 | A kind of measuring device and implementation method of bleeder soil body thermal coefficient |
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2015
- 2015-11-16 CN CN201520910216.1U patent/CN205139062U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645962A (en) * | 2016-12-08 | 2017-05-10 | 中国海洋大学 | Marine soil resistivity measuring method and device |
| CN106645962B (en) * | 2016-12-08 | 2019-04-30 | 中国海洋大学 | The method and device of Measuring Oceanic soil resistivity |
| CN106442621A (en) * | 2016-12-15 | 2017-02-22 | 吉林大学 | In-situ measurement probe for stratigraphic thermophysical parameters |
| CN106841317A (en) * | 2017-01-25 | 2017-06-13 | 浙江大学 | Polluted Soil conductivity measurement and electric osmose process electrical parameter change real-time monitoring device |
| CN106841317B (en) * | 2017-01-25 | 2023-03-17 | 浙江大学 | Device for measuring conductivity of polluted soil and monitoring change of electrical parameters in electroosmosis process in real time |
| CN106841291A (en) * | 2017-04-08 | 2017-06-13 | 天津城建大学 | For determining each device and its method of testing to thermal conductivity factor of frozen soil |
| CN106841291B (en) * | 2017-04-08 | 2023-06-27 | 天津城建大学 | Device for measuring heat conduction coefficient of frozen soil in various directions and testing method thereof |
| CN107589147A (en) * | 2017-09-14 | 2018-01-16 | 三峡大学 | It is a kind of to measure soil body thermal conductivity factor and the device and method of resistivity simultaneously |
| CN108107072A (en) * | 2017-12-06 | 2018-06-01 | 河海大学 | A kind of soil body Determination of conductive coefficients method and experimental rig |
| CN109655495A (en) * | 2018-12-21 | 2019-04-19 | 南京大学（苏州）高新技术研究院 | A kind of soil body layering thermal coefficient is in situ quickly to test probe, system and method |
| CN110320234A (en) * | 2019-08-09 | 2019-10-11 | 天津城建大学 | A kind of measuring device and implementation method of bleeder soil body thermal coefficient |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161116 |