CN201865093U - Environmental geotechnical multi-parameter combined test probe - Google Patents
Environmental geotechnical multi-parameter combined test probe Download PDFInfo
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- CN201865093U CN201865093U CN2010206329236U CN201020632923U CN201865093U CN 201865093 U CN201865093 U CN 201865093U CN 2010206329236 U CN2010206329236 U CN 2010206329236U CN 201020632923 U CN201020632923 U CN 201020632923U CN 201865093 U CN201865093 U CN 201865093U
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Abstract
The utility model relates to an environmental geotechnical multi-parameter combined test instrument in the field of environmental geotechnical engineering, in particular to an environmental geotechnical multi-parameter combined test probe which is characterized by comprising a resistance measurement detection ring module, a resistance strain gauge group module provided with a static sounding parameter test shell, a circuit module provided with an independent protective shell, a temperature sensor module provided with an independent protective shell and a signal transmission cable, wherein the resistance measurement detection ring module consists of 2 to 4 metal detection rings which are arrayed at equal intervals in an insulating manner; all the modules are in threaded connection to form an integral probe; and the modules of the probe can be used independently or used in a combined way according to the site needs.
Description
Technical field
The utility model relates to the plant and instrument of the ground Multi-parameter Combined Tool test in the environmental geotechnical field, is particularly suitable for the needs of environmental geotechnical on-the-spot test, particularly a kind of environment ground Multi-parameter Combined Tool test probe.
Background technology
Before the utility model, employed probe all is analog probe in the geotechnical investigation test, test for static sounding, the ground resistivity measurement, what the formation temperature test was taked is independently to pop one's head in, the method of testing of using is independent test, the method of Fen Xiing respectively, the probe the inside just simply is provided with a cover straingauge or a cover electrode or a temperature pick up, all analog signals all will be through tens meters, up to a hundred meters signal cable is transferred to the acquisition instrument on ground, and transmission cable generally all is made up of the lead of 12 mutual insulatings at least, through the conversion of acquisition instrument, become data signal, show again and preserve.But in the process of transmission; analog signal is subjected to the interference of other noise signals through regular meeting; signal to noise ratio reduces; along with the increase of transmission range, the analog signal that some is faint even be submerged in the noise signal is in order to pick up useful analog signal; acquisition instrument need adopt different hardware measures and software approach; so not only increased system cost and power consumption, and dealt with improperly, even what obtain is wrong test signal.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of and be convenient to on-the-spot test, noiseproof feature is good, the collection various test is the environment ground Multi-parameter Combined Tool test probe of one.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of environment ground Multi-parameter Combined Tool test probe, its difference is: comprise resistance measurement spy ring module, the resistance strain gage pack module with static sounding parameter testing housing, the circuit module with separately protected housing, the temperature sensor module with separately protected housing, signal-transmitting cable, resistance measurement spy ring module is visited to encircle by the metal of 2 or 4 equidistant intervals insulation arrangements and is formed; Form a complete probe between described each module by being threaded; Described circuit module comprises power circuit, central processing controller, signal acquisition circuit, circuit for transmitting digital signals, described signal acquisition circuit, circuit for transmitting digital signals is connected with central processing controller respectively, described signal acquisition circuit comprises the signals collecting interface, described circuit for transmitting digital signals is provided with signal transmission interface and the PORT COM that is connected central processing controller, described signal acquisition circuit comprises the static sounding Acquisition Circuit, resistivity signal excitation and Acquisition Circuit, temperature collection circuit, the signal that described signal conditioning circuit will have been gathered amplifies, filtering, the impedance conversion, described circuit for transmitting digital signals will be converted to the data signal signal and be transferred to the ground instrument signal receiving end.
By above scheme, described sensor protection housing is nonmagnetic metal material protection housing.
By above scheme, described PORT COM is the RS485 PORT COM.
By above scheme, described signal-transmitting cable is the cable that the lead of four-core mutual insulating is formed, and is respectively a power line, a ground wire, a pair of RS485 holding wire.
By above scheme, described central processing controller is a single-chip microcomputer, and single-chip microcomputer comprises 24 AD, data storage.
By above scheme, described single-chip microcomputer is MSC1210.
By above scheme, described circuit for transmitting digital signals comprises MAX3483, and the Serial Port Line RX of single-chip microcomputer connects the first pin RO of MAX3483, and the Serial Port Line TX of single-chip microcomputer connects the 4th pin DI of MAX3483.
By above scheme, described signal conditioning circuit adopts amplifier AD620, adjustable gain amplifier PGA103, amplifier LM358.
By above scheme, described signal conditioning circuit also comprises the automatic gain adjustment module that can adjust signal amplification factor according to the test signal magnitude range automatically.
The utility model operating principle: need according to the scene, can measure static sounding data, resistivity data, temperature data simultaneously through the probe of combination.The geotechnical engineering data-signal of these collections enters single-chip microcomputer after handling through signal conditioning circuit, inner AD is converted to data signal through single-chip microcomputer, temporarily be kept in the data field of single-chip microcomputer, single-chip microcomputer by MAX3483, is transferred to data signal ground and receives then; Simultaneously, as required, also can be combined into the test probe of other difference in functionalitys, such as static sounding and temperature coupling probe.
The contrast prior art, useful advantage of the present utility model is: can be arbitrarily made with the probe of difference in functionality according to field condition, just transform for data signal in deep part probe position analog signal, the great advantage of data signal is exactly that antijamming capability is strong, and long Distance Transmission is undistorted.The utility model is convenient to on-the-spot test, noiseproof feature is good, signal to noise ratio is high, sensitivity degree height, MTD are big.
Description of drawings
Fig. 1 is the structural representation of a kind of environment ground Multi-parameter Combined Tool test probe of the utility model embodiment;
Fig. 2 is the circuit connection diagram of circuit module of the present utility model;
Fig. 3 is the structural representation of circuit for transmitting digital signals of the present utility model;
Fig. 4 is the structural representation of signal conditioning circuit of the present utility model.
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of a kind of environment ground Multi-parameter Combined Tool test probe of the present utility model; Fig. 2 is the circuit connection diagram of circuit module of the present utility model; As shown in Figure 1, a kind of environment ground Multi-parameter Combined Tool test probe, comprise resistance measurement spy ring module 2, the resistance strain gage pack module 1 with static sounding parameter testing housing, the circuit module 4 with separately protected housing, the temperature sensor module 3 with separately protected housing, signal-transmitting cable 6, resistance measurement spy ring module 2 is visited to encircle by the metal of 2 or 4 equidistant intervals insulation arrangements and is formed; Connect to form a complete probe by screw thread 5 between the shell of described each module; Circuit module 4 comprises power circuit, central processing controller, signal acquisition circuit, circuit for transmitting digital signals, described signal acquisition circuit, circuit for transmitting digital signals is connected with central processing controller respectively, described signal acquisition circuit comprises the signals collecting interface, described circuit for transmitting digital signals is provided with signal transmission interface and the PORT COM that is connected central processing controller, described signal acquisition circuit comprises the static sounding Acquisition Circuit, resistivity signal excitation and Acquisition Circuit, temperature collection circuit, the signal that described signal conditioning circuit will have been gathered amplifies, filtering, the impedance conversion, described circuit for transmitting digital signals will be converted to the data signal signal and be transferred to the ground instrument signal receiving end.
Concrete, resistance measurement is visited ring module 2 and is made of resistivity measurement spy ring 2-1, housing 2-2, the two ends that ring 2-1 is visited in resistivity measurement are to combine by insulation materials with housing 2, all insulate between 4 resistivity measurements are visited and encircled and between resistivity measurement spy ring and the housing 2, each measures to visit to encircle has insulated conductor to be connected to housing 2-2 inside.
Concrete, the protection housing of described temperature sensor module 3 is nonmagnetic metal material protection housing.
Concrete, described PORT COM is the RS485 PORT COM.
Concrete, signal-transmitting cable 6 is the cable that the lead of four-core mutual insulating is formed, and is respectively a power line, a ground wire, a pair of RS485 holding wire.
Concrete, described signal conditioning circuit also comprises the automatic gain adjustment module, can adjust signal amplification factor automatically according to the test signal magnitude range.
Concrete, power circuit uses direct current supply, can be any dc power supply between 36 volts to 5 volts.
Concrete, described central processing controller is a single-chip microcomputer, single-chip microcomputer comprises 24 AD, data storage, change through AD through the analog signal behind the signal condition, be converted to data signal, be kept in the data storage, when receiving after data that instrument sends send order, to be transferred to ground by circuit for transmitting digital signals and accept in the instrument, described single-chip microcomputer can adopt MSC1210.
Fig. 3 is the structural representation of circuit for transmitting digital signals of the present utility model; As shown in Figure 3, concrete, described circuit for transmitting digital signals comprises MAX3483, and the Serial Port Line RX of single-chip microcomputer connects the first pin RO of MAX3483, and the Serial Port Line TX of single-chip microcomputer connects the 4th pin DI of MAX3483.
Fig. 4 is the structural representation of signal conditioning circuit of the present utility model; As shown in Figure 4, concrete, described signal conditioning circuit can adopt amplifier AD620, adjustable gain amplifier PGA103, amplifier LM358, the signal of gathering connects 2 pin and 3 pin of AD620 respectively, the output pin of AD620 connects the 4th pin of PGA103, and the P1.1 signal of single-chip microcomputer and P1.2 signal are connected gain control pin A0 and the A1 of PGA103 respectively.The signal of gathering is connected with R4 through PGA103, is connected with the 3rd pin of LM358 again.
More than though embodiment of the present utility model has been described in conjunction with the accompanying drawings, those skilled in the art can make various distortion or modification within the scope of the appended claims.
Claims (9)
1. environment ground Multi-parameter Combined Tool test probe, it is characterized in that: comprise resistance measurement spy ring module, the resistance strain gage pack module with static sounding parameter testing housing, the circuit module with separately protected housing, the temperature sensor module with separately protected housing, signal-transmitting cable, resistance measurement spy ring module is visited to encircle by the metal of 2 or 4 equidistant intervals insulation arrangements and is formed; Form a complete probe between described each module by being threaded; Described circuit module comprises power circuit, central processing controller, signal acquisition circuit, circuit for transmitting digital signals, described signal acquisition circuit, circuit for transmitting digital signals is connected with central processing controller respectively, described signal acquisition circuit comprises the signals collecting interface, described circuit for transmitting digital signals is provided with signal transmission interface and the PORT COM that is connected central processing controller, described signal acquisition circuit comprises the static sounding Acquisition Circuit, resistivity signal excitation and Acquisition Circuit, temperature collection circuit, the signal that described signal conditioning circuit will have been gathered amplifies, filtering, the impedance conversion, described circuit for transmitting digital signals will be converted to the data signal signal and be transferred to the ground instrument signal receiving end.
2. environment ground Multi-parameter Combined Tool test probe as claimed in claim 1 is characterized in that: described sensor protection housing is nonmagnetic metal material protection housing.
3. environment ground Multi-parameter Combined Tool test probe as claimed in claim 1, it is characterized in that: described PORT COM is the RS485 PORT COM.
4. environment ground Multi-parameter Combined Tool test probe as claimed in claim 1 is characterized in that: described signal-transmitting cable is the cable that the lead of four-core mutual insulating is formed, and is respectively a power line, a ground wire, a pair of RS485 holding wire.
5. environment ground Multi-parameter Combined Tool test probe as claimed in claim 1, it is characterized in that: described central processing controller is a single-chip microcomputer, single-chip microcomputer comprises 24 AD, data storage.
6. environment ground Multi-parameter Combined Tool test probe as claimed in claim 5, it is characterized in that: described single-chip microcomputer is MSC1210.
7. environment ground Multi-parameter Combined Tool test probe as claimed in claim 1, it is characterized in that: described circuit for transmitting digital signals comprises MAX3483, the Serial Port Line RX of single-chip microcomputer connects the first pin RO of MAX3483, and the Serial Port Line TX of single-chip microcomputer connects the 4th pin DI of MAX3483.
8. environment ground Multi-parameter Combined Tool test probe as claimed in claim 1 is characterized in that: described signal conditioning circuit adopts amplifier AD620, adjustable gain amplifier PGA103, amplifier LM358.
9. environment ground Multi-parameter Combined Tool test probe as claimed in claim 1 is characterized in that: described signal conditioning circuit also comprises the automatic gain adjustment module that can adjust signal amplification factor according to the test signal magnitude range automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206329236U CN201865093U (en) | 2010-11-30 | 2010-11-30 | Environmental geotechnical multi-parameter combined test probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206329236U CN201865093U (en) | 2010-11-30 | 2010-11-30 | Environmental geotechnical multi-parameter combined test probe |
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| Publication Number | Publication Date |
|---|---|
| CN201865093U true CN201865093U (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206329236U Expired - Fee Related CN201865093U (en) | 2010-11-30 | 2010-11-30 | Environmental geotechnical multi-parameter combined test probe |
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| CN (1) | CN201865093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995616A (en) * | 2012-12-28 | 2013-03-27 | 东南大学 | Multi-sleeve static sounding element capable of effectively recognizing contact surface friction resistance of geotechnical material |
| CN109030945A (en) * | 2018-06-08 | 2018-12-18 | 同济大学 | A kind of soil resistivity sensing device based on high-density electric observation |
-
2010
- 2010-11-30 CN CN2010206329236U patent/CN201865093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995616A (en) * | 2012-12-28 | 2013-03-27 | 东南大学 | Multi-sleeve static sounding element capable of effectively recognizing contact surface friction resistance of geotechnical material |
| CN109030945A (en) * | 2018-06-08 | 2018-12-18 | 同济大学 | A kind of soil resistivity sensing device based on high-density electric observation |
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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: 20110615 Termination date: 20111130 |