CN103472416B - Portable space magnetism distribution measurement system - Google Patents
Portable space magnetism distribution measurement system Download PDFInfo
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- CN103472416B CN103472416B CN201310432922.5A CN201310432922A CN103472416B CN 103472416 B CN103472416 B CN 103472416B CN 201310432922 A CN201310432922 A CN 201310432922A CN 103472416 B CN103472416 B CN 103472416B
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Abstract
The invention discloses a portable space magnetism distribution measurement system which comprises a magnetic sensor, a data collecting module, a battery, a machine frame and a distance measurement module, wherein the signal end of the magnetic sensor is connected with the data collecting end of the data collecting module, and the magnetic sensor, the data collecting module, the battery and the distance measurement module are all installed on the machine frame. The distance measurement module comprises a pull wire and a pull wire induction device, wherein the signal output end of the pull wire induction device is connected with the collected trigger signal input end of the data collecting module. When space distribution of a magnetic field in a specific area is measured, firstly, the head end of the pull wire is fixed to a start point, an operator carries the measurement system to walk along a to-be-detected path, the data collecting module is triggered through a distance signal induced by the distance measurement module, and the equally-spaced magnetic field distribution of the to-be-detected space in the walking direction can be obtained. The portable space magnetism distribution measurement system has the advantages of being accurate in distance positioning, convenient to operate and low in time cost and especially suitable for magnetism distribution measurement operations of a small outdoor area.
Description
Technical field
The present invention relates to a kind ofly carry out magnetic exploration in the wild, space magnetic apparatus for measuring distribution that magnetic measurement uses, particularly relate to a kind of measurement and positioning accurately, the Portable space magnetism distribution measurement system of convenient operation.
Background technology
At present, when space magnetic distribution measuring being carried out to specific region in the wild, the general method adopting delimitation grid, first determine the measuring point of measured zone, then pointwise is measured, and measure the instrument adopted and be generally magnetometer or magnetic gradiometer etc., measuring instrument itself does not have measuring point positioning function.Comparatively large for area, the area of space that measuring point spacing is wider, can be located by GPS or the method elder generation such as real time differential GPS (RTK) location determines point position one by one, then carries out magnetic-field measurement.But such as buried ferromagnetics object is sought to the occasion looked into etc. and need accurately location, or the occasion that measuring point spacing is very little, manual grid division exists poor operability, the low and shortcoming wasted time and energy of measuring position precision, so be not suitable for the magnetic measurement operation of zonule.
Summary of the invention
Object of the present invention be just to provide to solve the problem a kind of measurement and positioning accurately, the Portable space magnetism distribution measurement system of convenient operation.
In order to achieve the above object, present invention employs following technical scheme:
Portable space magnetism distribution measurement system of the present invention comprises Magnetic Sensor, data acquisition module, battery, frame and distance-measurement module, the signal end of described Magnetic Sensor is connected with the data acquisition end of described data acquisition module, and described Magnetic Sensor, described data acquisition module, described battery and described distance-measurement module are all installed in described frame; Described distance-measurement module comprises bracing wire and bracing wire induction installation, and the signal output part of described bracing wire induction installation is connected with the trigger collection signal input part of described data acquisition module.
When in the wild the space distribution of specific region internal magnetic field being measured, first the head end of bracing wire is fixed on starting point, then operating personnel carries this Portable space magnetism distribution measurement system and walks along path to be measured, the distance signal trigger data acquisition module responded to by distance-measurement module, can obtain the equidistant Distribution of Magnetic Field of detected space on direction of travel.
Particularly, described distance-measurement module also comprises line roller and the line roller mount pad for hookup wire roller, described bracing wire induction installation comprises follower, code-wheel and optoelectronic switch, described line roller mount pad, described follower and described optoelectronic switch are all installed in described frame, described line roller mount pad and described follower all can pivot, draw after the head end of described bracing wire is wound in described follower, described code-wheel and described follower coaxial and can synchronous rotary, the dish tooth of described code-wheel is corresponding with the photoinduction mouth of described optoelectronic switch, the signal output part of described optoelectronic switch is connected with the trigger collection signal input part of described data acquisition module.It is exactly photoelectric coded disk that code-wheel and optoelectronic switch are combined, and is a kind of mature technology, by follower, the rectilinear motion of bracing wire head end is changed into rotary motion, and realizes step-by-step counting and range finding by code-wheel with coordinating of optoelectronic switch.
All the time be wrapped on follower in order to ensure bracing wire, be also provided with the lead wire lever for guiding described bracing wire between described line roller mount pad and described follower, described lead wire lever is installed in described frame.
For the ease of carrying, described frame is also provided with the hangers for installing braces.Operating personnel can by braces through hangers, be convenient to portable, shoulder is carried on the arm or neck is hung.
The poly-lithium battery that described battery preferably can charge.
Beneficial effect of the present invention is:
Because this measuring system is installed concentratedly in frame, can be carried by an operating personnel and complete space magnetic distribution measuring, so this measuring system is applicable to measure the space distribution of specific region internal magnetic field in the wild, there is the advantage that measurement and positioning is accurate, convenient operation, cost are low, be particularly useful for the magnetic distribution measuring operation of zonule, field.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of Portable space magnetism distribution measurement system of the present invention;
Fig. 2 is the plan structure schematic diagram of Portable space magnetism distribution measurement system of the present invention;
Fig. 3 is the main TV structure schematic diagram of distance-measurement module of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described in detail:
As depicted in figs. 1 and 2, Portable space magnetism distribution measurement system of the present invention comprises Magnetic Sensor 1, data acquisition module 5, lithium battery 3, frame 7 and distance-measurement module 6, the signal end of Magnetic Sensor 1 is connected with the data acquisition end of data acquisition module 5, and Magnetic Sensor 1, data acquisition module 5, lithium battery 3 and distance-measurement module 6 are all installed in frame 7, as shown in Figure 3, distance-measurement module 6 comprises line roller 9, line roller mount pad 10, bracing wire 11, lead wire lever 12, follower 13, code-wheel 15 and optoelectronic switch 16, line roller mount pad 10, lead wire lever 12, follower 13 and optoelectronic switch 16 are all installed in frame 7, line roller mount pad 10 and follower 13 all can pivot, lead wire lever 12 is installed between line roller mount pad 10 and follower 13, bracing wire 11 is concentrated and is wound on line roller 9, the head end of bracing wire 11 is first through the through hole of lead wire lever 12 upper end, then draw again after being wound in follower 13, code-wheel 15 is coaxial and can synchronous rotary with follower 13, the dish tooth of code-wheel 15 is corresponding with the photoinduction mouth of optoelectronic switch 16, the signal output part of optoelectronic switch 16 is connected with the trigger collection signal input part of data acquisition module 5.Fig. 3 also show the set nut 8 for hookup wire roller 9.In this example, data acquisition module 5 is arranged on the centre position of frame 7, distance-measurement module 6 is arranged on the right side of frame 7, and lithium battery 3 is arranged on the left side of frame 7, is beneficial to system balancing.
As depicted in figs. 1 and 2, for the ease of carrying, frame 7 is also provided with the hangers 2 for installing braces, in this example, hangers 2 is two.
Composition graphs 1-Fig. 3, during application, first plans the measuring route needing measured zone; Then the head end of bracing wire 11 is fixed on start position (generally fastening on a fixture), during fixing bracing wire 11, preferably can be fixed on height corresponding when operating personnel carries frame 7, guarantees to measure accurately; Then operating personnel bring the frame 7(being provided with all components portable, shoulder carry on the arm or hang over neck, generally hang over front) along the path walking planned, bracing wire 11 is pulled during walking, bracing wire 11 drives follower 13, follower 13 drives code-wheel 15 again, thus make optoelectronic switch 16 produce pulse, complete the generation of the data acquisition trigger pulse of prescribed distance, and this signal is sent to data acquisition module 5, data acquisition module 5 gathers the output signal of Magnetic Sensor 1, thus obtains the distribution in detected space magnetic field.
Above-described embodiment is the preferred embodiments of the present invention; in practical application; also has other alternative multiple; such as: bracing wire induction installation also can adopt the device of other non-optoelectronic induction; as electromagnetic induction device etc.; as long as can realize the distance sense counter to bracing wire 11, these changes all do not need creative work to realize, and should be considered as falling in the protection domain of patent of the present invention.
Claims (5)
1. a Portable space magnetism distribution measurement system, comprise Magnetic Sensor, data acquisition module and battery, the signal end of described Magnetic Sensor is connected with the data acquisition end of described data acquisition module, it is characterized in that: also comprise frame and distance-measurement module, described Magnetic Sensor, described data acquisition module, described battery and described distance-measurement module are all installed in described frame; Described distance-measurement module comprises bracing wire and bracing wire induction installation, and the signal output part of described bracing wire induction installation is connected with the trigger collection signal input part of described data acquisition module.
2. Portable space magnetism distribution measurement system according to claim 1, it is characterized in that: described distance-measurement module also comprises line roller and the line roller mount pad for hookup wire roller, described bracing wire induction installation comprises follower, code-wheel and optoelectronic switch, described line roller mount pad, described follower and described optoelectronic switch are all installed in described frame, described line roller mount pad and described follower all can pivot, draw after the head end of described bracing wire is wound in described follower, described code-wheel and described follower coaxial and can synchronous rotary, the dish tooth of described code-wheel is corresponding with the photoinduction mouth of described optoelectronic switch, the signal output part of described optoelectronic switch is connected with the trigger collection signal input part of described data acquisition module.
3. Portable space magnetism distribution measurement system according to claim 2, is characterized in that: be also provided with the lead wire lever for guiding described bracing wire between described line roller mount pad and described follower, described lead wire lever is installed in described frame.
4. the Portable space magnetism distribution measurement system according to claim 1,2 or 3, is characterized in that: described frame is also provided with the hangers for installing braces.
5. the Portable space magnetism distribution measurement system according to claim 1,2 or 3, is characterized in that: described battery is poly-lithium battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310432922.5A CN103472416B (en) | 2013-09-22 | 2013-09-22 | Portable space magnetism distribution measurement system |
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| CN201310432922.5A CN103472416B (en) | 2013-09-22 | 2013-09-22 | Portable space magnetism distribution measurement system |
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| CN103472416A CN103472416A (en) | 2013-12-25 |
| CN103472416B true CN103472416B (en) | 2015-07-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2930649B1 (en) * | 2014-04-09 | 2016-07-13 | MagCam NV | Devices and methods for determining a magnetic field |
| CN108896829A (en) * | 2018-07-09 | 2018-11-27 | 武汉瑞莱保能源技术有限公司 | A kind of Portable type full-automatic measurement of electromagnetic environment equipment |
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| JP2001190511A (en) * | 2000-01-12 | 2001-07-17 | Shimadzu Corp | Pickup coil with additional function |
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2013
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| GB642649A (en) * | 1943-11-01 | 1950-09-06 | Gulf Research Development Co | Apparatus for measuring the values of magnetic fields |
| US3820012A (en) * | 1971-04-17 | 1974-06-25 | L Molyneux | Determination of the orientation of magnetism in a sample of material |
| CN201698036U (en) * | 2009-11-05 | 2011-01-05 | 中国船舶重工集团公司第七一五研究所 | Portable magnetometer |
| CN201583670U (en) * | 2009-11-25 | 2010-09-15 | 中国地质大学（武汉） | Data collecting system for inland and offshore water magnetic prospecting |
| CN102213752A (en) * | 2011-03-03 | 2011-10-12 | 叶永嘉 | Automatic three-dimensional radio frequency identification (RFID) test device |
| CN102353914A (en) * | 2011-07-07 | 2012-02-15 | 贵州大学 | Three-dimensional pulse magnetic field measuring apparatus |
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Inventor after: Wu Fugang Inventor after: Tang Zifeng Inventor after: Hu Shaoquan Inventor after: Cheng Fabin Inventor after: Li Sizhong Inventor after: Li Minghai Inventor after: Wan Qiang Inventor after: Liu Wei Inventor after: Wang Daiwei Inventor before: Wu Fugang Inventor before: Tang Zifeng Inventor before: Hu Shaoquan Inventor before: Cheng Fabin Inventor before: Li Sizhong Inventor before: Li Minghai Inventor before: Wan Qiang Inventor before: Liu Wei Inventor before: Wang Daiwei |
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