CN204731426U - A kind of very low frequency (VLF) visits water instrument - Google Patents
A kind of very low frequency (VLF) visits water instrument Download PDFInfo
- Publication number
- CN204731426U CN204731426U CN201520315196.3U CN201520315196U CN204731426U CN 204731426 U CN204731426 U CN 204731426U CN 201520315196 U CN201520315196 U CN 201520315196U CN 204731426 U CN204731426 U CN 204731426U
- Authority
- CN
- China
- Prior art keywords
- vlf
- signal
- module
- conductivity
- low frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The utility model discloses a kind of very low frequency (VLF) and visit water instrument, comprise housing, be arranged at electronic console, VLF antenna receiver, power switch and the channel selector on housing and be arranged at the control panel of enclosure interior, signal receiving unit, power-supply unit and signal output unit that this control panel is provided with signal processing analysis instrument and is connected with signal processing analysis instrument respectively respectively.The utility model utilizes the electromagnetic induction principle of the VLF electromagnetic wave very low frequency (VLF) that combines with signal processing technology to visit water instrument, effectively improves detection efficiency and detection accuracy.
Description
Technical field
The utility model belongs to underground water sniffer technical field, is specifically related to a kind of very low frequency (VLF) and visits water instrument.
Background technology
Spy water instrument is sought in groundwater resource in China and is played very important effect, particularly obvious especially in the effect in the western highlands of China or area, mine.Occupy the magnetic-field component excited at the vertical electric dipole at earth's surface place very small and weak at vertical direction, emissive source distant, therefore in limited area, magnetic-field component can think to only have horizontal component.Primary field is generally to be oriented in a tangential direction incident transverse electromagnetic wave close to ground.The electrical discrepant underground water source in local or mineral water distributed fault, electromagnetic induction will be made under the effect of horizontal primary field to produce secondary field, namely there is electromagnetic induction phenomenon in various degree, the receiving antenna that very low frequency method visits water instrument can receive the phase place of underground very low frequency signal and the change of amplitude, and the generation causing these phenomenons such as the change of phase place and amplitude is then the conductivity of mineral water distributed fault such as underground water and the similarities and differences of magnetic permeability.Measure the relative changing value of subsurface conductivity and magnetic permeability, and these variable quantities are compared with magnetic permeability with the true conductivity of water via after signal transacting, just can infer existence and the rational position thereof of underground water.But spy water instrument before is just analyzed according to the amplitude of Received signal strength, and is repeatedly sample, need to expend a large amount of time and efforts of people.In addition, owing to visiting the continuous increase of water depth and difficulty in recent years, extremely urgent to the demand of novel water detection apparatus.
Summary of the invention
The technical matters that the utility model solves there is provided a kind of very low frequency (VLF) and visits water instrument, this spy water instrument efficiently solves visits water instrument once can only receive very low frequency (VLF) called station signal when Underground water at present, only utilize the amplitude information of signal, and need repeatedly to sample the technical matters causing error larger.
The utility model adopts following technical scheme for solving the problems of the technologies described above, a kind of very low frequency (VLF) visits water instrument, it is characterized in that comprising housing, be arranged at electronic console, VLF antenna receiver, power switch and the channel selector on housing and be arranged at the control panel of enclosure interior, signal receiving unit, power-supply unit and signal output unit that this control panel is provided with signal processing analysis instrument and is connected with signal processing analysis instrument respectively respectively.
Further restriction, described signal receiving unit comprises Rb atom frequency marking shaping circuit, VLF antenna receive module and conductivity, permeability measurement module, wherein Rb atom frequency marking shaping circuit is successively by circuit and VLF antenna receive module and conductivity, permeability measurement module is connected, described Rb atom frequency marking shaping circuit is used for the pulse signal of stable output, for follow-up A/D converter provides stable 50kHz acquisition pulse, be convenient to signal transacting, described VLF antenna receive module adopts whip antenna, for receiving VLF signal component in the vertical direction, signal processing analysis instrument is flowed to finally by by A/D converter, described conductivity, permeability measurement module is connected with signal processing analysis instrument with VLF antenna receive module respectively by circuit, wherein conductivity, permeability measurement module is used for the relative conductivity to moisture with the VLF induced signal importing to underground, the measurement of relative permeability.
Further restriction, described signal processing analysis instrument is used for processing the digital signal of A/D converter and carrying out computing to the measurement data of conductivity and magnetic permeability, then import to data memory module and carry out date comprision, finally import to electronic display module and carry out data observation.
Further restriction, described signal output unit comprises data memory module and electronic display module, data memory module is connected with electronic display module by circuit, wherein data memory module is used for carrying out reception storage to all signal datas, and electronic display module is used for providing numerical information clearly for staff.
The utility model utilizes the electromagnetic induction principle of the VLF electromagnetic wave very low frequency (VLF) that combines with signal processing technology to visit water instrument, effectively improves detection efficiency and detection accuracy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, and Fig. 2 is line module figure of the present utility model.
Drawing illustrates: 1, housing, 2, electronic console, 3, VLF antenna receiver, 4, power switch, 5, channel selector.
Embodiment
Describe particular content of the present utility model by reference to the accompanying drawings in detail.As shown in Figure 1, a kind of very low frequency (VLF) visits water instrument, comprise housing 1, be arranged at electronic console 2, VLF antenna receiver 3, power switch 4 and the channel selector 5 on housing 1 and be arranged at the control panel of enclosure interior, signal receiving unit, power-supply unit and signal output unit that this control panel is provided with signal processing analysis instrument and is connected with signal processing analysis instrument respectively respectively.
As shown in Figure 2, described signal receiving unit comprises Rb atom frequency marking shaping circuit, VLF antenna receive module and conductivity, permeability measurement module, wherein Rb atom frequency marking shaping circuit is successively by circuit and VLF signal antenna receiver module and conductivity, permeability measurement module is connected, described Rb atom frequency marking shaping circuit is for exporting the pulse signal of high stability, for follow-up A/D converter provides stable 50kHz acquisition pulse, be convenient to signal transacting, described VLF antenna receive module adopts whip antenna, for receiving VLF signal component in the vertical direction, signal processing analysis instrument is flowed to finally by by A/D converter, described conductivity, permeability measurement module is connected with signal processing analysis instrument with VLF antenna receive module respectively by circuit, wherein conductivity, permeability measurement module is used for the relative conductivity to moisture with the VLF induced signal importing to underground, the measurement of relative permeability.
Described signal processing analysis instrument is used for processing the digital signal of A/D converter and carrying out computing to the measurement data of conductivity and magnetic permeability, then import to data memory module and carry out date comprision, finally import to electronic display module and carry out data observation.
Described data spread out of unit and comprise data memory module and electronic display module, data memory module is connected with electronic display module by circuit, wherein data memory module is used for carrying out reception storage to all signal datas, and electronic display module is used for providing numerical information clearly for staff.
Method of operating of the present utility model is: first, the parallel placement in earth's surface place will be installed on, start power switch, power-supply unit is started working, this device can receive the very low frequency signal of high-power high-accuracy that stem from Muscovite Alpha navigational system and launch from line search, can choose reasonable channel selector and pin channel after waiting signal stabilization.The process such as collection, analysis of the various Parameters variation determination very low frequency signals shown in electronic console can be observed.Signal processing analysis instrument can calculate the Parameters variation amount of proofreading out conductivity, magnetic permeability, and to receive very low frequency signal amplitude and phase place change by oneself, finally estimate in conjunction with geology profile analysis, thus determine existence and the optimum position thereof of underground water source.
More than show and describe ultimate principle of the present utility model; principal character and advantage; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall into claimed scope of the present utility model.
Claims (4)
1. a very low frequency (VLF) visits water instrument, it is characterized in that comprising housing, be arranged at electronic console, VLF antenna receiver, power switch and the channel selector on housing and be arranged at the control panel of enclosure interior, signal receiving unit, power-supply unit and signal output unit that this control panel is provided with signal processing analysis instrument and is connected with signal processing analysis instrument respectively respectively.
2. very low frequency (VLF) according to claim 1 visits water instrument, it is characterized in that: described signal receiving unit comprises Rb atom frequency marking shaping circuit, VLF antenna receive module and conductivity, permeability measurement module, wherein Rb atom frequency marking shaping circuit is successively by circuit and VLF antenna receive module and conductivity, permeability measurement module is connected, described Rb atom frequency marking shaping circuit is used for the pulse signal of stable output, for follow-up A/D converter provides stable 50kHz acquisition pulse, be convenient to signal transacting, described VLF antenna receive module adopts whip antenna, for receiving VLF signal component in the vertical direction, signal processing analysis instrument is flowed to finally by by A/D converter, described conductivity, permeability measurement module is connected with signal processing analysis instrument with VLF antenna receive module respectively by circuit, wherein conductivity, permeability measurement module is used for the relative conductivity to moisture with the VLF induced signal importing to underground, the measurement of relative permeability.
3. very low frequency (VLF) according to claim 1 visits water instrument, it is characterized in that: described signal processing analysis instrument is used for processing the digital signal of A/D converter and carrying out computing to the measurement data of conductivity and magnetic permeability, then import to data memory module and carry out date comprision, finally import to electronic display module and carry out data observation.
4. very low frequency (VLF) according to claim 1 visits water instrument, it is characterized in that: described signal output unit comprises data memory module and electronic display module, data memory module is connected with electronic display module by circuit, wherein data memory module is used for carrying out reception storage to all signal datas, and electronic display module is used for providing numerical information clearly for staff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315196.3U CN204731426U (en) | 2015-05-18 | 2015-05-18 | A kind of very low frequency (VLF) visits water instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520315196.3U CN204731426U (en) | 2015-05-18 | 2015-05-18 | A kind of very low frequency (VLF) visits water instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204731426U true CN204731426U (en) | 2015-10-28 |
Family
ID=54389764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520315196.3U Expired - Fee Related CN204731426U (en) | 2015-05-18 | 2015-05-18 | A kind of very low frequency (VLF) visits water instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204731426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045006A (en) * | 2017-03-15 | 2017-08-15 | 河南师范大学 | Very low frequency method detects the device of underground water oil vapour pollution |
| CN108387941A (en) * | 2018-04-16 | 2018-08-10 | 河南师范大学 | A kind of express highway roadbed structure detection device of very low frequency method |
-
2015
- 2015-05-18 CN CN201520315196.3U patent/CN204731426U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045006A (en) * | 2017-03-15 | 2017-08-15 | 河南师范大学 | Very low frequency method detects the device of underground water oil vapour pollution |
| CN107045006B (en) * | 2017-03-15 | 2023-02-03 | 河南师范大学 | Device for detecting oil gas pollution of underground water by using very low frequency method |
| CN108387941A (en) * | 2018-04-16 | 2018-08-10 | 河南师范大学 | A kind of express highway roadbed structure detection device of very low frequency method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104597506B (en) | The air-ground electromagnetic exploration method of frequency domain | |
| CN108107478B (en) | Magnetotelluric synchronizing detection and real time inversion method and system | |
| CN101813644B (en) | Method for measuring biomass of plant underground roots by using ground penetrating radar | |
| CN104035137B (en) | Underground full-space transient electromagnetic detecting instrument and detection method | |
| CN104656157B (en) | A kind of method and device in identification shale gas dessert area | |
| CN205120128U (en) | Three -dimensional gesture measuring apparatu of pipeline based on inertia measuring technique | |
| CN103091717B (en) | A kind of electromagnetic exploration method receiving and dispatching automatic synchronization frequency conversion | |
| CN102288625A (en) | Channel concrete lining nondestructive testing system | |
| CN102053280A (en) | Nuclear magnetic resonance ground water detection system with reference coils and detection method | |
| CN103499843A (en) | Vehicle-mounted type transient electromagnetic quick exploration device and measurement method | |
| CN102236106B (en) | Method and device for measuring resistivity of underground medium on ground and in gallery in quasi-three-dimension mode | |
| CN102176064A (en) | Method for eliminating electromagnetic interference signals of underground coalmine transient electromagnetic instrument | |
| CN101216566A (en) | Couple source frequency domain electric sounding method and apparatus suitable for quasi far zone | |
| CN103323881A (en) | Comprehensive measurement construction method of underground pipelines | |
| CN204731426U (en) | A kind of very low frequency (VLF) visits water instrument | |
| CN202794558U (en) | Mining intrinsic safety type transient electromagnetic instrument | |
| CN103412338A (en) | Pseudo-random code electrical instrument | |
| CN202033478U (en) | Very low frequency electromagnetic instrument with orthogonal antenna | |
| CN102928887A (en) | Integrated signal receiving device of radio trench scenograph | |
| CN203759264U (en) | Nuclear magnetic resonance bipolarity superposition de-noising device based on power frequency full cycle | |
| CN202230210U (en) | Intelligent very low frequency electromagnetic instrument with orthogonal antenna | |
| CN203350458U (en) | Portable coal seam channel wave acquisition and early warning system | |
| CN102721981A (en) | Underground pipeline distribution detection device and method based on rectangular hollow core sensor array | |
| CN105204074A (en) | Mining intrinsically-safe receiving system for electrical signals induced according to focusing double frequency induced polarization method | |
| CN203327019U (en) | High power signal transmission device based on underground cable comprehensive detection system |
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 |
Granted publication date: 20151028 Termination date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |