CN206505191U - Portable resistor rate instrument - Google Patents
Portable resistor rate instrument Download PDFInfo
- Publication number
- CN206505191U CN206505191U CN201720090238.7U CN201720090238U CN206505191U CN 206505191 U CN206505191 U CN 206505191U CN 201720090238 U CN201720090238 U CN 201720090238U CN 206505191 U CN206505191 U CN 206505191U
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- China
- Prior art keywords
- electrode
- electrodes
- processor
- ground
- acquisition circuit
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a kind of portable resistor rate instrument, including underground probe and ground instrument, underground probe includes insulation tube and the N electrode, M electrodes and the A electrodes that are from top to bottom distributed on insulation tube, it is separated by between each electrode by insulation tube, ground instrument has by the first cable with each electrode in underground probe to be electrically connected, and ground instrument is also connected by the second cable with ground B electrodes;Ground instrument includes shell and the measuring circuit being arranged in shell, measuring circuit includes wireless communication module, power supply module, processor, two paths of signals Acquisition Circuit, power supply module is used for A electrodes and B electrode output currents, two paths of signals Acquisition Circuit is connected with processor respectively, signal acquisition circuit is used to gather M electrodes and the voltage of N electrode all the way, another road signal acquisition circuit is used to gather current signal, and wireless communication module is connected with processor.The utility model reduces volume, is easy to carry, fathoms shallow, and measurement accuracy is accurate.
Description
Technical field
The utility model belongs to prospecting Instrument technology field, and in particular to one kind carries out resistivity measurement in engineering investigation
Portable instrument.
Background technology
In the prospecting of most of subway engineerings and power engineering prospecting, utilizing works drilling is all needed to carry out resistivity measurement,
To understand the resistivity data on some depth stratum.Conventional engineering the drilling is shallower(Generally less than 50m), drilling bore it is smaller
(Generally less than 90mm), conventional logging system includes the accessories such as winch, probe, main frame, it is often more huge and heavy, it is necessary to
It is loaded and transports by the vehicle of specialty, very inconvenient city work surveys operation.And due to conventional logging inserting tube length
It is longer(Generally higher than 2m), electrode pole span is larger, is mainly used in dividing stratum purpose, existing tool length is also corresponding longer,
Often because missing a big chunk depth the problem of tool length can not test in test process.
The content of the invention
To solve the above problems, the utility model discloses a kind of resistivity meter for reducing volume, by circuit structure and logical
Letter module is peeled off and is integrated in ground instrument, reduces the length of underground probe.
In order to reach object above, the utility model provides following technical scheme:
Portable resistor rate instrument, including underground probe and ground instrument, the underground probe include insulation tube and by upper
And under be distributed between N electrode, M electrodes and A electrodes on insulation tube, each electrode and be separated by by insulation tube, the ground instrument
Have by the first cable with each electrode in underground probe and electrically connect, ground instrument also passes through the second cable and ground B electrode phases
Even;The ground instrument includes shell and the measuring circuit being arranged in shell, and the measuring circuit includes radio communication mold
Block, power supply module, processor, two paths of signals Acquisition Circuit, power supply module are used for A electrodes and B electrode output currents, two-way letter
Number Acquisition Circuit is connected with processor respectively, and signal acquisition circuit is used to gather M electrodes and the voltage of N electrode, Ling Yilu all the way
Signal acquisition circuit is used to gather current signal, and wireless communication module is connected with processor.
Further, the supply convertor that the power supply module includes lithium battery, is connected with lithium battery, the power conversion
Device is connected with processor.
Further, the signal acquisition circuit includes comparator, phase sensitivity, the A/D modular converters being sequentially connected, the A/
D modular converters are connected with processor.
Further, the processor is MCU single-chip microcomputers.
Further, fast waterproof joint is provided with the top of the underground probe, the ground instrument passes through the first cable
It is connected with fast connector, the fast connector is used to be connected with fast waterproof joint.
Further, in addition to protective cap, the protective cap is used to be arranged on fast waterproof joint.
Further, the N electrode is ring-type lead electrode.
Further, the M electrodes are ring-type lead electrode.
Further, the A electrodes are stainless steel electrode.
Compared with prior art, the utility model has the following advantages that and beneficial effect:
Volume is reduced, is easy to carry, fathoms shallow, measurement accuracy is accurate.Due to measuring circuit being peeled off simultaneously from inserting tube
It is placed on ground, reduces inserting tube volume, and prevent circuit moisture damage, reduces maintenance rate.In addition, by wireless communication module with
Mobile terminal is connected, and by the measurement of mobile terminal controller unit, storage, display, processing data, and can carry out the quick reality of data
When transmit.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is circuit connection diagram in ground instrument.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is further elucidated, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limits scope of the present utility model.It should be noted that making below in description
Word "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer to respectively
Be directed towards or the direction away from particular elements geometric centers.
Portable resistor rate instrument as shown in Figure 1, including underground probe 1 and ground instrument 2, wherein underground probe 1 are designed
Only 1m length, including insulation tube 3 and the N electrode, M electrodes and the A electrodes that are from top to bottom distributed on insulation tube 3, each electrode it
Between be separated by by insulation tube 3 and insulated.It is simple light in view of apparatus measures depth as shallow, and be electrical survey, from polarization
The relatively low lead of rate is ring-type lead electrode as electrode, N electrode, M electrodes.A electrodes are stainless steel electrode, positioned at underground probe bottom
Portion.Insulation tube 3 is made of engineering plastics, and each electrode is embedded on inserting tube by engineering plastics insulating joint 6.Due in drilling
Interior measurement, is limited by cable dimension, it is impossible to is powered using high-power, high current, improves the cloth pole mode of underground probe, uses
Potentiometric electrode system mode, i.e. A0.2M0.6N, allow M electrodes to obtain maximum effective current data close proximity to A electrodes, increase
The accuracy and confidence level of gathered data.Ground instrument 2 passes through the first cable 4 and N electrode, M electrodes, A electrodes in underground probe 1
With electrical connection, deep identification should be carried on the first cable 4.Ground instrument is also connected by the second cable 5 with ground electrodes B,
Ground electrodes B inserts ground 7.
Ground instrument 2 includes being provided with measuring circuit in shell, shell.As shown in Fig. 2 measuring circuit includes radio communication
Module, power supply module, processor and two paths of signals Acquisition Circuit, wherein power supply module are used for A, B the two poles of the earth output signal,
Two paths of signals Acquisition Circuit is connected with processor respectively, and signal acquisition circuit is used to gather M electrodes and the voltage letter of N electrode all the way
Number, another road signal acquisition circuit is used to gather current signal, and wireless communication module is connected with processor.In order that underground probe
Quick links can be carried out with ground instrument, fast waterproof joint 8 is provided with the top of underground probe, due to being placed on subsurface
Part has high requirements to sealing, and protective cap 9 is further preferably included at the top of underground probe, and protective cap is used to be arranged on fast waterproof
On joint.Ground instrument is connected by the first cable 4 with fast connector 10, and the fast connector is used to connect with fast waterproof
Head connection.Fast connector can use quick plug.In this example, wireless communication module uses WIFI module, can quickly and hand
The mobile terminal 1s such as machine, flat board 1 are connected, and can be measured by mobile terminal controller unit, storage shows measurement data, processing is explained
Measurement data, also can outwards export measurement data.
Specifically, power supply module includes lithium battery and supply convertor, and supply convertor passes through cable with the electrode of A, B two
It is connected, lithium battery produces square wave power by supply convertor and supplies AB the two poles of the earth, and processor is connected with supply convertor.Two-way is believed
Number Acquisition Circuit includes comparator, phase sensitivity, the A/D modular converters being sequentially connected, and A/D modular converters are connected with processor. A
Pole is in inserting tube bottom, and B poles are by cable on ground, and the loop of AB one power supply of formation produces electric field, M, N the two poles of the earth in underground
Produce voltage(Potential difference), M, N electrode output voltage access wherein signal acquisition circuit all the way pass through comparator K2, phase sensitivity, A/
D obtains voltage output to single-chip microcomputer.A resistance is also associated between source converter and A electrodes, carrying out electric current to resistance two ends takes
Sample, current sampling signal r1, r2 access another road signal acquisition circuit, and A, B electricity are obtained by K1, phase sensitivity, A/D modular converters
The current signal in pole loop is exported to single-chip microcomputer, voltage and current data of the single-chip microcomputer based on acquisition, passes through resistivity=K* electricity
Pressure/electric current(K is the coefficient determined by A, M, N electrode gap length), calculate and obtain resistivity.In this example, processor is that MCU is mono-
Piece machine.
During using this resistivity meter, the protective cap at the top of underground probe is unloaded, fast connector is connect with fast waterproof
Head grafting, cable other end is quickly connected with ground instrument, and ground electrodes B is connected by cable with ground instrument, ground electrodes
Body is placed in subsurface.The need that underground probe is put into engineering the drilling manually by the cable with deep identification measure deep
Degree, opens instrument power source, and instrument radio communication WIFI is connected with mobile phone, passes through mobile phone operation, you can complete resistivity measurement.Ground
After the completion of the apparatus measures of face by WIFI module by real-time data transmission into mobile terminal.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined constituted technical scheme by above technical characteristic.It should be pointed out that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened
Decorations are also considered as protection domain of the present utility model.
Claims (9)
1. portable resistor rate instrument, it is characterised in that:Including underground probe and ground instrument, the underground probe includes insulation tube
And be from top to bottom distributed between N electrode, M electrodes and A electrodes on insulation tube, each electrode and be separated by by insulation tube, it is described
Ground instrument has by the first cable with each electrode in underground probe to be electrically connected, and ground instrument also passes through the second cable and ground
B electrodes are connected;The ground instrument includes shell and the measuring circuit being arranged in shell, and the measuring circuit includes wireless
Communication module, power supply module, processor, two paths of signals Acquisition Circuit, power supply module are used for A electrodes and B electrode output currents,
Two paths of signals Acquisition Circuit is connected with processor respectively, and signal acquisition circuit is used to gather M electrodes and the voltage of N electrode all the way,
Another road signal acquisition circuit is used to gather current signal, and wireless communication module is connected with processor.
2. portable resistor rate instrument according to claim 1, it is characterised in that:The power supply module include lithium battery, with
The supply convertor of lithium battery connection, the supply convertor is connected with processor.
3. portable resistor rate instrument according to claim 1, it is characterised in that:The signal acquisition circuit includes connecting successively
Comparator, phase sensitivity, the A/D modular converters connect, the A/D modular converters are connected with processor.
4. portable resistor rate instrument according to claim 1, it is characterised in that:The processor is MCU single-chip microcomputers.
5. portable resistor rate instrument according to claim 1, it is characterised in that:It is provided with the top of the underground probe quick
Water joint, the ground instrument is connected by the first cable with fast connector, and the fast connector is used to prevent with quick
Water swivel is connected.
6. portable resistor rate instrument according to claim 5, it is characterised in that:Also include protective cap, the protective cap is used
In on fast waterproof joint.
7. portable resistor rate instrument according to claim 1, it is characterised in that:The N electrode is ring-type lead electrode.
8. portable resistor rate instrument according to claim 1, it is characterised in that:The M electrodes are ring-type lead electrode.
9. portable resistor rate instrument according to claim 1, it is characterised in that:The A electrodes are stainless steel electrode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720090238.7U CN206505191U (en) | 2017-01-24 | 2017-01-24 | Portable resistor rate instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720090238.7U CN206505191U (en) | 2017-01-24 | 2017-01-24 | Portable resistor rate instrument |
Publications (1)
Publication Number | Publication Date |
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CN206505191U true CN206505191U (en) | 2017-09-19 |
Family
ID=59833150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720090238.7U Expired - Fee Related CN206505191U (en) | 2017-01-24 | 2017-01-24 | Portable resistor rate instrument |
Country Status (1)
Country | Link |
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CN (1) | CN206505191U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107643545A (en) * | 2017-10-11 | 2018-01-30 | 中国煤炭地质总局二九勘探队 | Hydrographic survey salinization inserting tube |
-
2017
- 2017-01-24 CN CN201720090238.7U patent/CN206505191U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107643545A (en) * | 2017-10-11 | 2018-01-30 | 中国煤炭地质总局二九勘探队 | Hydrographic survey salinization inserting tube |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 Termination date: 20200124 |
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CF01 | Termination of patent right due to non-payment of annual fee |