CN203480047U - Vehicle-mounted transient electromagnetic rapid exploration device - Google Patents
Vehicle-mounted transient electromagnetic rapid exploration device Download PDFInfo
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- CN203480047U CN203480047U CN201320579653.0U CN201320579653U CN203480047U CN 203480047 U CN203480047 U CN 203480047U CN 201320579653 U CN201320579653 U CN 201320579653U CN 203480047 U CN203480047 U CN 203480047U
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Abstract
The utility model relates to a vehicle-mounted transient electromagnetic rapid exploration device, which comprises a transmitting and receiving device and a host communicated with the transmitting and receiving device. The transmitting and receiving device is composed of a transmitter and a receiver which are respectively connected with a transmitting coil and a receiving coil, and the receiver, or both the transmitter and the receiver is/are arranged on a moving vehicle; the receiving coil, or both the transmitting coil and the receiving coil is/are fixed and arranged on the moving vehicle through a fixing frame; a vehicle wheel of the moving vehicle is provided with a roller trigger sensor, and the roller trigger sensor is connected with the transmitter; and a GPS positioning module is arranged in the host. The vehicle-mounted transient electromagnetic rapid exploration device can efficiently carry out the exploration work efficiently, is convenient in construction, and can carry out earth surface shallow layer exploration as well as deep layer exploration; the receiving coil can receive Z component of a secondary induced magnetic field by using a single horizontal coil, and can observe Hx and Hy components of a secondary field signal by utilizing a vertical coil at the same time; and the vehicle-mounted transient electromagnetic rapid exploration device is high in resolution, can carry out fine exploration, and can determine the position and development scale of a target anomalous body.
Description
Technical field
The utility model relates to geophysical survey device and measuring method field, particularly the quick exploration device of a kind of vehicular transient electromagnetic.
Background technology
At present, subterranean water enquire, underground solid waste and detection of pollutants, dykes and dams quality testing, concrete NDT, Detecting and surveying underground pipelines and cables in city, and the unfavorable geology problem such as underground fracture in urban architecture, fragmentation emerges in an endless stream, if do not detected in time, can there is a lot of hidden danger.As in dykes and dams quality testing, because dykes and dams build is of poor quality, basis subsides, cause the reasons such as non-uniform settling and biological infringement, cause dykes and dams to have the multiple hidden danger such as seepage, crack, landslide, some hidden danger is present in levee body, and what also have is present in overlayer or shallow-layer basis.
Transient electromagnetic method claims again TDEM (TEM), and it is a kind of application geophysical method very widely, is also applied in more and more in recent years above-mentioned unfavorable geology body detection field.Its principle is: at a survey station, utilize different time to survey the conductivity on different depth stratum, when somewhere, exceptional value appears in conductivity, thinks that this place exists defect.
And in the exploration of conventional transient electromagnetic method, excite to receive recording geometry and arrange it is all manually to have laid, therefore conventional transient electromagnetic is explored mode inefficiency, in-situ measurement cost is high, restricting Transient Electromagnetic Technique efficiently, expanding economy.And it is very large that measurement mechanism moves in placement process human factor impact, directly causes Plant arrangement parameter consistency, poor reliability, thereby affect transient electromagnetic detecting precision.Therefore, overcome Traditional Man and arrange transient electromagnetic device and method defect, design and a kind ofly can reduce hidden danger, can improve shallow-layer resolving power again, and efficient, the economic transient electromagnetic device that can improve detection operations efficiency is a problem anxious to be resolved.
Summary of the invention
The purpose of this utility model is the deficiency existing in order to solve above-mentioned background technology, proposes that a kind of work efficiency is high, speed of detection fast, conveniently moving can meet the transient electromagnetic device of different detection demands.
For achieving the above object, the utility model adopts following technical scheme: the quick exploration device of vehicular transient electromagnetic, comprise transmitting coil, receiving coil, sending and receiving apparatus and the main frame of communication with it, described sending and receiving apparatus consists of the transmitter and receiver being connected with transmitting coil and receiving coil respectively, described receiver, or transmitting, receiver both be arranged on locomotive; Described receiving coil, or transmitting coil and receiving coil both through fixed mount, fix and be arranged on locomotive; On the wheel of described locomotive, establish roller trigger sensor, described roller trigger sensor is connected with transmitter; In described main frame, be provided with GPS locating module.
Described transmitter comprises the A/D conversion chip being connected with transmitting coil, a described A/D conversion chip connect primary scene programmable logic cells (field programmable logic unit hereinafter to be referred as: FPGA) and through the first communication interface be connected with described main frame, the output terminal of described primary scene programmable logic cells is connected with multifrequency transmitter input end and is connected with described transmitting coil through excitation power supply, and described roller trigger sensor is connected on an A/D conversion chip.
A described FPGA is also connected with a RAM; Described the first communication interface adopts RS485 interface, USB interface or network interface.
Described receiver comprises and the prime amplifier being connected successively, the 2nd A/D conversion chip and the 2nd FPGA, through the second communication interface, is connected with main frame; Described prime amplifier institute input end is connected with the output terminal of described receiving coil.
Described the 2nd FPGA is also connected with the 2nd RAM; Described the second communication interface adopts RS485 interface, USB interface or network interface.
Described fixed mount adopts insulation material to make.
Described insulation material is pvc pipe, sticking plaster or fiberglass pipe.
The number of described receiving coil at least one, main frame is according to the number setting of receiving coil adaptive communication channel with it; Described locomotive is motor-driven or bicycle.
Transient electromagnetic measuring method of the present utility model, comprises the following steps:
(1), according to the real needs of application or detected object, determine the shape size of locomotive, the array configuration of transmitting, receiving trap and main frame:
(2) transmitting, receiving trap are arranged on locomotive by fixed mount, meanwhile, roller trigger sensor are installed on the roller of locomotive;
(3) press host power supply, sending and receiving apparatus is connected by private cable, in main frame, first preset a recording geometry, to the survey line of recording geometry and measuring point spacing parameter is set and to transmitting, receive parameter and set, after setting, be communicated with GPS, allow it always in positioning states;
(4) mobilely manually or motor vehicle and it is remained a constant speed travel, roller trigger sensor excites excitation power supply by designated parameter, and primary field, after running into objective body, can produce secondary field induced signal, and receiving coil receives it and imports after treatment main frame into;
(5) on main frame, the data after processing are shown and managed, and the information of locating in conjunction with GPS, the size of target anomalous body, volume, the degree of depth are carried out to final decision.
In step (1), described array configuration is as follows:
1) detection to the shallow top layer of concrete objective body, adopts small-sized movable car; Transmitter and receiver integrates machine, and main frame adopts hand-held set form, transmitting receive all-in-one with main frame by wireless or wired connection; Transmitting, receiving coil adopt small-sized or miniature coils device form to be fixedly installed on locomotive;
2) detection to pipeline, dykes and dams or subway shallow-layer objective body, adopts velocilator; Transmitter, receiver and the main frame machine that is integrated into one, transmitting, receiving coil adopt the form form of a transmitting coil and at least two receiving coils to be fixedly installed on locomotive;
3) to the goaf degree of depth compared with the detection of general objective body, adopt Large-scale Mobile car; Transmitting coil and the placement separated with receiver of transmitter and receiving coil, and before exploration operation, setting-up time, roller revolution synchronizing information in transmitter and receiver; Transmitting coil is positioned over search coverage periphery, and transmitting coil adopts single turn or the high-power coil of multiturn, its range of size: 0.5km*0.5km-3km*3km, and receiving coil and receiver are positioned on locomotive, and locomotive carries out traverse measurement in search coverage; Receiving coil adopts overlapping or common midpoint combination placement form, receiver and the main frame machine that can combine together.
The utility model is according to the difference of surveying object, and locomotive is changeable; By the roller trigger sensor on locomotive, record the number of turns that roller turns and calculate the distance that roller moves, take this distance as according to carrying out the automatic triggering to excitation power supply; The one FPGA carries out computing judgement for the number of turns of roller sensor that an A/D conversion chip is recorded, and exports firing command, and excitation power supply is powered to transmitting coil; Main frame is used for acquisition parameter and channel parameters to arrange, and measurement data is recorded, shown and manages; Built-in GPS module, for recording position and the elevation of measurement.Different according to surveying object, the array configuration of transmitting, receiving coil can be various, and main frame, transmitter and receiver both can be separated placement, also can integrate as required, specifically analyzes in an embodiment.
the beneficial effects of the utility model: compare with traditional manual measurement method, vehicular measuring method automatically excites and receives, and work efficiency is higher, it is more convenient to construct; According to the difference of surveying object, locomotive is changeable, and measurement mechanism array configuration is various, can obtain different Effect on Detecting, both can carry out shallow surface detection, also can carry out deep layer detection; The device form of receiving coil is various, and both available single horizontal coil received, and received the Z component of secondary induced field, i.e. vertical component; Hx, the Hy component that also can utilize vertical coil observation secondary field signal, not only resolution can obviously improve, and can accomplish meticulous detecting, and can determine again position and the growth scale of target anomalous body simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model theory structure block diagram;
Fig. 2 is the structural representation of the utility model embodiment mono-;
Fig. 3 is the structural representation of the utility model embodiment bis-;
Fig. 4 is the structural representation of the utility model embodiment tri-.
In figure, 1. locomotive, 2. fixed mount, 3-1. transmitting coil, 3-2. receiving coil, 4. sending and receiving apparatus, 5. main frame, 7. transmitter, 8. receiver, 9. roller trigger sensor, 10. all-in-one.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
As shown in Figure 1, the main frame 5 that comprises transmitting coil 3-1, receiving coil 3-2, sending and receiving apparatus 4 and communication with it.Sending and receiving apparatus 4 consists of transmitter 7 and receiver 8, and both are connected with receiving coil 3-2 with transmitting coil 3-1 respectively.Receiver is single, or transmitting, receiver both be arranged on locomotive; Receiving coil is single, or transmitting coil and receiving coil both through fixed mount 2, fix and be arranged on locomotive; On the wheel of locomotive 1, establish roller trigger sensor 9, roller trigger sensor is connected with transmitter; In main frame, be provided with GPS locating module.
The large I of locomotive 1 is determined according to the difference of surveying object; Roller trigger sensor 9 is located at the wheel shaft place of locomotive.The number of turns turning by sensor record roller is calculated the distance that roller moves, and take this distance as according to carrying out the automatic triggering to excitation power supply; Transmitter 7 comprises successively the multifrequency transmitter that connects, excitation power supply, an A/D conversion chip, a FPGA the and a communication interface.The one FPGA carries out computing judgement for the number of turns of roller sensor that an A/D conversion chip is recorded, and exports firing command, and excitation power supply is powered to transmitting coil; Receiver 8 is connected with receiving coil, and receiver comprises prime amplifier, the 2nd A/D conversion chip, the 2nd FPGA and the second communication interface connecting successively; The first and second communication interfaces can adopt RS485 interface, USB interface or network interface; The one FPGA and the 2nd FPGA are also connected to respectively first, second RAM.Fixed mount 2 is for sending and receiving apparatus and reception, transmitting coil (or being only receiving coil) are fixed on to locomotive, and fixed mount 2 adopts insulation material, as pvc pipe, sticking plaster or fiberglass pipe etc.; Main frame is used for acquisition parameter and channel parameters to arrange, and measurement data is recorded, shown and manages; The built-in GPS module of main frame, for recording position and the elevation of measurement.Different according to surveying object, the array configuration of transmitting, receiving coil can be various, and main frame, transmitter and receiver both can be separated placement, also can integrate as required.
Principle of the present utility model: in trolley-type carrier moving process, roller trigger sensor records the number of turns that roller turns automatically, and imports in real time afterwards a FPGA into by an A/D conversion chip collection, according to default program in a FPGA, by roller, turn-take to count and calculate travel distance, as travel distance L=2 π r * n(number of turns), wherein, n=5,10,15 ... time, a FPGA output firing command, makes excitation power supply power to transmitting coil; Known according to transient electromagnetic method principle, when excitation power supply is powered to transmitting coil, can produce pulsatile once magnetic field.Primary field is after running into anomalous body, can produce secondary field induced signal, magnetoelectricity is propagated downwards always, until receiving coil receives induced signal, prime amplifier amplifies induced signal, the 2nd A/D conversion chip will be sent into the 2nd FPGA after this signals collecting, the data that the 2nd RAM processes the 2nd FPGA are stored, the 2nd FPGA deposits main frame in through the second interface after reading the 2nd RAM data, on main frame, the data after processing are shown and managed, and the information of locating in conjunction with GPS, the size of target anomalous body, volume, the degree of depth are carried out to final decision.
Embodiment mono-: as shown in Figure 2, the objective body of detection is shallow top layer concrete, adopts small-sized movable car; Sending and receiving apparatus 4 adopts transmitting to receive all-in-one and is located on small-sized movable car, has merged the function of transmitter and receiver; Main frame 5 adopts as the device form of mobile phone shape size; Transmitting receive all-in-one with main frame 5 by wireless or wired connection; Transmitting coil 3-1 and receiving coil 3-2 adopt small-sized or miniature coils device form and are fixed on and on fixed mount 2, be placed in small-sized movable car.
Embodiment bis-: as described in Figure 3, be that with the difference of embodiment mono-objective body of surveying is shallow-layer pipeline, dykes and dams, subway etc., adopt velocilator.Transmitter, receiver and the main frame three machine that is integrated, is located on velocilator.Main frame has merged the function of transmitter, receiver; Transmitting coil, receiving coil adopt multicast device form and are fixed on fixed mount 2 and be placed in velocilator.
Embodiment tri-: as shown in Figure 4, be that with the difference of embodiment mono-objective body of surveying is the goaf that the degree of depth is larger etc., adopts Large-scale Mobile car.Transmitting coil 3-1 is positioned over search coverage periphery, and transmitting coil 3-1 adopts single turn or the high-power coil of multiturn, its range of size: 0.5km*0.5km-3km*3km; Receiver 8 and receiving coil 3-2, be positioned on locomotive 1, and locomotive 1 carries out traverse measurement in search coverage; Receiver 8 has merged the function of main frame; Transmitter placement separated with receiver, transmitting coil 3-1 and receiving coil 3-2 also separated placement, and before exploration operation, the synchronizing information such as setting-up time, roller revolution in transmitter and receiver.
Embodiment tetra-: be that with the difference of embodiment mono-receiving coil 3-2 adopts three-component probe form.
The quick Reconnaissance Survey method of vehicular transient electromagnetic, comprises the following steps:
(1), according to the real needs of application or detected object, determine the shape size of locomotive, the array configuration of transmitting, receiving trap and main frame:
1) detection to shallow top layer objective bodies such as concrete, locomotive adopts compact car; Transmitter and receiver can integrate machine, and main frame adopts hand-held set form, transmitting receive all-in-one with main frame by wireless or wired connection; Transmitting, receiving coil adopt small-sized or miniature coils device form;
2) detection to shallow-layer objective bodies such as pipeline, dykes and dams, subways, locomotive adopts in-between car; Transmitter, receiver and the main frame machine that can be integrated into one, transmitting, receiving coil can adopt as multicast device form;
3) to goaf even depth compared with the detection of general objective body, locomotive adopts large car; From 1), 2) different be transmitter placement separated with receiver, and before exploration operation, the synchronizing information such as setting-up time, roller revolution in transmitter and receiver; Transmitting coil is directly positioned over search coverage periphery, and transmitting coil adopts single turn or the high-power coil of multiturn, its range of size: 0.5km*0.5km-3km*3km, and receiver is positioned on locomotive, and locomotive carries out traverse measurement in search coverage; Receiving coil 3-2 can combine placement, as overlapping or common midpoint device form, now, receiver and the main frame machine that can combine together.
(2) determine after (1), transmitting, receiving trap are arranged on locomotive by fixed mount, meanwhile, roller trigger sensor is installed on the roller of locomotive;
(3) press host power supply, transmitting, receiving trap are connected by private cable, in main frame, first preset a recording geometry, the parameters such as the survey line of recording geometry and measuring point spacing are set and transmitting, reception parameter are set, after setting, be communicated with GPS, allow it always in positioning states;
(4) move (manual or motor-driven) locomotive, and make it remain a constant speed and travel as far as possible, roller trigger sensor excites excitation power supply by designated parameter, known according to the detection principle of transient electromagnetic method, primary field is after running into objective body, can produce secondary field induced signal, receiving coil receives and also imports after treatment main frame into it;
(5) on main frame, the data after processing are shown and managed, and the information of locating in conjunction with GPS, the size of target anomalous body, volume, the degree of depth are carried out to final decision.
Above are only embodiment of the present utility model, to one skilled in the art, the utility model has multiple change and variation.Allly within invention thought of the present utility model and principle, make any modification, be equal to replacement, improve etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the quick exploration device of vehicular transient electromagnetic, comprise transmitting coil, receiving coil, sending and receiving apparatus and the main frame of communication with it, it is characterized in that: described sending and receiving apparatus consists of the transmitter and receiver being connected with transmitting coil and receiving coil respectively; Described receiver, or transmitting, receiver both be arranged on locomotive; Described receiving coil, or transmitting coil and receiving coil both through fixed mount, fix and be arranged on locomotive; On the wheel of described locomotive, establish roller trigger sensor, described roller trigger sensor is connected with transmitter; In described main frame, be provided with GPS locating module.
2. the quick exploration device of vehicular transient electromagnetic according to claim 1, it is characterized in that: described transmitter comprises the A/D conversion chip being connected with transmitting coil, a described A/D conversion chip connects primary scene programmable logic cells and is connected with described main frame through the first communication interface, the output terminal of described primary scene programmable logic cells is connected with multifrequency transmitter input end and is connected with described transmitting coil through excitation power supply, and described roller trigger sensor is connected on an A/D conversion chip.
3. the quick exploration device of vehicular transient electromagnetic according to claim 2, is characterized in that: described primary scene programmable logic cells is also connected with a RAM; Described the first communication interface adopts RS485 interface, USB interface or network interface.
4. the quick exploration device of vehicular transient electromagnetic according to claim 1, it is characterized in that: described receiver comprises and the prime amplifier being connected successively, the 2nd A/D conversion chip and secondary scene programmable logic cells, through the second communication interface, is connected with main frame; Described prime amplifier input end is connected with the output terminal of described receiving coil.
5. the quick exploration device of vehicular transient electromagnetic according to claim 4, is characterized in that: described secondary scene programmable logic cells is also connected with the 2nd RAM; Described the second communication interface adopts RS485 interface, USB interface or network interface.
6. the quick exploration device of vehicular transient electromagnetic according to claim 1, is characterized in that: described fixed mount adopts insulation material to make.
7. the quick exploration device of vehicular transient electromagnetic according to claim 6, is characterized in that: described insulation material is pvc pipe, sticking plaster or fiberglass pipe.
8. the quick exploration device of vehicular transient electromagnetic according to claim 1, is characterized in that: the number of described receiving coil at least one, main frame is according to the number setting of receiving coil adaptive communication channel with it; Described locomotive is motor-driven or bicycle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320579653.0U CN203480047U (en) | 2013-09-18 | 2013-09-18 | Vehicle-mounted transient electromagnetic rapid exploration device |
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| CN201320579653.0U CN203480047U (en) | 2013-09-18 | 2013-09-18 | Vehicle-mounted transient electromagnetic rapid exploration device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499843A (en) * | 2013-09-18 | 2014-01-08 | 安徽惠洲地下灾害研究设计院 | Vehicle-mounted type transient electromagnetic quick exploration device and measurement method |
| CN106154310A (en) * | 2016-08-18 | 2016-11-23 | 安徽惠洲地质安全研究院股份有限公司 | A kind of Portable city geologic anomaly seismic acquisition system and method |
| CN110068871A (en) * | 2019-04-29 | 2019-07-30 | 吉林大学 | A kind of miniature measuring system and method for vehicle-mounted time domain electromagnetic induction-polarity effect |
-
2013
- 2013-09-18 CN CN201320579653.0U patent/CN203480047U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499843A (en) * | 2013-09-18 | 2014-01-08 | 安徽惠洲地下灾害研究设计院 | Vehicle-mounted type transient electromagnetic quick exploration device and measurement method |
| CN103499843B (en) * | 2013-09-18 | 2016-04-13 | 安徽惠洲地质安全研究院股份有限公司 | Vehicular transient electromagnetic quick exploration device and measuring method |
| CN106154310A (en) * | 2016-08-18 | 2016-11-23 | 安徽惠洲地质安全研究院股份有限公司 | A kind of Portable city geologic anomaly seismic acquisition system and method |
| CN110068871A (en) * | 2019-04-29 | 2019-07-30 | 吉林大学 | A kind of miniature measuring system and method for vehicle-mounted time domain electromagnetic induction-polarity effect |
| CN110068871B (en) * | 2019-04-29 | 2020-07-17 | 吉林大学 | Vehicle-mounted time domain electromagnetic induction-polarization effect miniature measuring system and method |
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Owner name: ANHUI HUIZHOU GEOLOGY SECURITY INSITUTE CO., LTD. Free format text: FORMER NAME: ANHUI HUIZHOU INSTITUTE OF SUBTERRANEAN CALAMITY |
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Address after: No. 5 Tongchuang hi tech Zone of Anhui province Tianzhi 230088 Hefei Road, building 3 room 406 Patentee after: ANHUI HUIZHOU GEOLOGY SECURITY INSTITUTE CO., LTD. Address before: No. 5 Tongchuang hi tech Zone of Anhui province Tianzhi 230088 Hefei Road, building 3 room 406 Patentee before: Anhui Huizhou Institute of Subterranean Calamity |
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