CN2802471Y - Underground temp field measuring device - Google Patents
Underground temp field measuring device Download PDFInfo
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- CN2802471Y CN2802471Y CN 200520071617 CN200520071617U CN2802471Y CN 2802471 Y CN2802471 Y CN 2802471Y CN 200520071617 CN200520071617 CN 200520071617 CN 200520071617 U CN200520071617 U CN 200520071617U CN 2802471 Y CN2802471 Y CN 2802471Y
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- temperature
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Abstract
The utility model discloses an underground temperature field measuring device, which comprises temperature testers, a terminal display and signal lines, wherein a set of temperature testers are distributed on different layer surfaces in stratums and each temperature tester is connected with the terminal display through the signal lines. The utility model adopts the terminal display to display tested temperatures of each temperature testers in different positions underground, realizes the tracing of underground field temperature tests and local territorial temperature distribution, and obtains incidence, trend and quantization influence of underground environment temperature changes on wet blasting piles and composite foundations; the utility model is particularly suitable for treatment of wet blasting piles and composite foundations of expressway foundations.
Description
One, technical field
The utility model relates to a kind of temperature field test device, specifically a kind of subsurface temperature field test device that in construction variation of temperature situation and development trend on the underground variant exemplary position is write down and sum up.
Two, background technology
The wet shot pile composite foundation is one of method the most frequently used in the Expressway Ground Improvement, and it is bringing into play huge effect in containing the relatively poor processing such as special road section of works highway section, end of the bridge transition highway section and geologic condition.People are carrying out unremitting research and engineering practice to this composite foundation always.Yet, because the complicacy of underground condition, the diversity of service condition, and the limitation of people's understanding, make composite foundation no matter aspect theory research, still in the engineering application facet many problem demanding prompt solutions are arranged all, as field, ground temperature variation to wet shot stake pile and intensity effect.Thereby from the on-the-spot actual test in temperature field is arranged, theoretical analysis temperature field difference is to the influence of wet shot stake intensity, and in wet shot stake formation of pile to the dependence situation of temperature; Carry out site test research targetedly, improve a ground temperature variation according to test result and the theoretical analysis of wet shot stake pile and intensity effect is seemed be even more important.
Three, summary of the invention
The purpose of this utility model provides a kind of subsurface temperature field test device that in construction variation of temperature situation and development trend on the underground variant exemplary position is write down and sum up.This device can be applicable to actual Highway Foundation internal temperature is tested and record with the variation of environment, season and weather.
The purpose of this utility model is achieved through the following technical solutions:
A kind of subsurface temperature field test device is characterized in that: it comprises temperature tester, terminal display and signal wire, and one group of temperature tester is distributed on the different aspects on stratum, and each temperature tester all is connected with terminal display by signal wire.
Temperature tester described in the utility model comprises temperature sensor, shell protective seam, chymoplasm and ground wire, and temperature sensor, chymoplasm and ground wire all are arranged in the shell protective seam, and temperature sensor is connected with signal wire by ground wire.Temperature sensor can adopt LM135 voltage-type temperature integrated sensor, and its feature is: its output voltage and environment absolute temperature are directly proportional, and promptly therefore 10mV/K can directly make the absolute temperature induction instrument aratus.For realizing Monitoring Data, the terminal of image data and data shows that the deviser adopts the solid state heat sensor circuit.
For guaranteeing the position consistency of temperature tester residing position and planned in ground, but one group of temperature tester vertical distribution is on the different aspects on stratum.
The LM135 device sensitivity is: 10mV/K has the motional impedance less than 1 Ω, current margin: 400 μ A～5mA, precision is 1 ℃.Voltage after the output send A/D converter through amplification.Demonstrate present temperature value with the LCD display module.Consider the real work characteristics of ground temperature test, temperature test shown by portable self-powered LCD that test data result can import PC easily and gather and be compiled into table, for comparative analysis.
LM135 belongs to serial integrated circuit, and in the utility model, the concrete model of selecting for use is: LM335, the interval temperature of continuous working is :-40 ℃～+ 100 ℃, the interval temperature of discontinuous operation is :-100 ℃～+ 125 ℃.
Terminal display adopts homemade LCD terminal display instrument in the utility model, is used to show the actual temperature value that measures from the subsurface temperature tester.Use for ease of data, what its circuit design drawing was quoted is ripe LM135 application circuit, can find in any relevant LM135 circuit specialty book.
The utility model is need and the experimental apparatus of design to test at the underground temperature field of wet shot pile composite foundation, by judgement, obtain coverage and trend and the quantization effect of underground environment temperature variation to wet shot stake and composite foundation thereof to underground temperature field.It adopts terminal display that the measured temperature of underground variant position temperature tester is shown, and has realized describing of field, ground temperature test and local region Temperature Distribution.During the engineering that the utility model can be used for the wet shot pile composite foundation of Highway Foundation is handled, simultaneously the utility model also can be used among other the various subsurface temperatures test occasions, for example by the test of underground water temperature field being pushed over phreatic flow characteristics and roughly direction and scope.
Four, description of drawings
Fig. 1 scene temperature testing tool is arranged the situation synoptic diagram;
Fig. 2 temperature tester is amplified internal structural map
Five, embodiment
A kind of subsurface temperature field test device described in the utility model, it comprises temperature tester 1, terminal display 2 and signal wire 3, one group four temperature tester 1 vertical distribution are on the different aspects on stratum, and each temperature tester 2 all is connected with terminal display 2 by signal wire 3.
Temperature tester 1 comprises temperature sensor 4, shell protective seam 5, chymoplasm 6 and ground wire 7, and temperature sensor 4, chymoplasm 6 and ground wire 7 all are arranged in the shell protective seam 5.Chymoplasm 6 can adopt the silica gel chymoplasm, and temperature sensor 4 is connected with signal wire 3 by ground wire 7.Temperature sensor 4 adopts LM135 voltage-type temperature integrated sensor, and its output voltage and environment absolute temperature are directly proportional, and promptly therefore 10mV/K can directly make the absolute temperature induction instrument aratus.
During test, at first install meter Scheme Choice temperature test hole in advance, promptly in ground, set the passage of temperature measuring device in the area in temperature field to be measured; Select to be fit to the weather of field work, the utility model to be imbedded in the ground, and kept the plumbness of whole lines, make the position consistency of temperature tester residing position and planned in ground; Put the signal wire of the ground extension of temperature tester then in order, according to actual conditions can be buried or the shallow embedding signal wire to the edge of ground, finally the end of a thread can be concentrated, arranged, the manipulation fields that facilitates for terminal test; Utilize the temperature test terminal, the signal extension line of each temperature tester is carried out data read, draw a series of actual temperature value about underground temperature field; Utilize the arrangement of the temperature data of the underground temperature field that pc is correlated with at last, draw the underground temperature field transition sight that is used for to describe in the design ground scope.
Claims (4)
1, a kind of subsurface temperature field test device, it is characterized in that: it comprises temperature tester (1), terminal display (2) and signal wire (3), one group of temperature tester (1) is distributed on the different aspects on stratum, and each temperature tester (1) all is connected with terminal display (2) by signal wire (3).
2, subsurface temperature field test device according to claim 1; it is characterized in that: described temperature tester (1) comprises temperature sensor (4), shell protective seam (5), chymoplasm (6) and ground wire (7); temperature sensor (4), chymoplasm (6) and ground wire (7) all are arranged in the shell protective seam (5), and temperature sensor (4) is connected with signal wire (3) by ground wire (7).
3, subsurface temperature field test device according to claim 2 is characterized in that: described temperature sensor (4) is the voltage-type temperature integrated sensor that output voltage and environment absolute temperature are directly proportional.
4, subsurface temperature field test device according to claim 1 is characterized in that: described one group of temperature tester (1) vertical distribution is on the different aspects on stratum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071617 CN2802471Y (en) | 2005-05-13 | 2005-05-13 | Underground temp field measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071617 CN2802471Y (en) | 2005-05-13 | 2005-05-13 | Underground temp field measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2802471Y true CN2802471Y (en) | 2006-08-02 |
Family
ID=36847179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520071617 Expired - Fee Related CN2802471Y (en) | 2005-05-13 | 2005-05-13 | Underground temp field measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2802471Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153674A (en) * | 2016-08-19 | 2016-11-23 | 西安科技大学 | A kind of analog simulation system of underground coal fire evolutionary process |
| CN106969855A (en) * | 2017-05-09 | 2017-07-21 | 河海大学 | A kind of foundation treatment engineering structure physical parameter identifying system and method |
| CN110284533A (en) * | 2019-06-25 | 2019-09-27 | 河海大学 | Cast-in-place concrete pile stake week thermo parameters method measures experimental rig and method |
-
2005
- 2005-05-13 CN CN 200520071617 patent/CN2802471Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153674A (en) * | 2016-08-19 | 2016-11-23 | 西安科技大学 | A kind of analog simulation system of underground coal fire evolutionary process |
| CN106969855A (en) * | 2017-05-09 | 2017-07-21 | 河海大学 | A kind of foundation treatment engineering structure physical parameter identifying system and method |
| CN106969855B (en) * | 2017-05-09 | 2019-03-12 | 河海大学 | A kind of foundation treatment engineering structure physical parameter identifying system and method |
| CN110284533A (en) * | 2019-06-25 | 2019-09-27 | 河海大学 | Cast-in-place concrete pile stake week thermo parameters method measures experimental rig and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060802 |