CN102879653B - Three-dimensional probe and intelligent sandstorm electric field measuring system based thereon - Google Patents
Three-dimensional probe and intelligent sandstorm electric field measuring system based thereon Download PDFInfo
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- CN102879653B CN102879653B CN201210369545.0A CN201210369545A CN102879653B CN 102879653 B CN102879653 B CN 102879653B CN 201210369545 A CN201210369545 A CN 201210369545A CN 102879653 B CN102879653 B CN 102879653B
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Abstract
The invention discloses a three-dimensional probe and an intelligent sandstorm electric field measuring system based thereon. The system comprises the three-dimensional probe, a front-end processing unit and a rear-end processing unit. The three-dimensional probe contacts with a sandstorm electric field and is used for acquiring an X-directional field signal, a Y-directional field signal and a Z-directional field signal in the electric field. The front-end processing unit is connected with an X-directional signal acquisition end, a Y-directional signal acquisition end and a Z-directional signal acquisition end respectively and is used for performing primary processing to the field signals in the corresponding directions, which come from the three-dimensional probe. The rear-end processing unit is connected with the front-end processing unit and is used for selecting and comprehensively processing primary processing results respectively. The defects of poor sandstorm resistance, no ability to interference resistance, low intelligence degree and the like in the prior art can be overcome, so that the three-dimensional probe and the intelligent sandstorm electric field measuring system based on the three-dimensional probe have the advantages that sandstorm resistance is high, a lateral electric field can be shielded, measuring range is wide, and intelligence degree is high.
Description
Technical field
The present invention relates to Wind sand electricity technical field of measuring equipment, particularly, relate to a kind of intelligent Wind sand electricity measuring system based on three-dimensional probe and three-dimensional probe.
Background technology
Wind sand electricity, refer to a kind of magnitude of being formed with a certain amount of electric charge due to the motion grains of sand (dirt) in wind sand environment electric field higher than fine day atmospheric electric field 2-3 the order of magnitude, directly affect the formation and development process of stream, the normal transmission of the change of sediment discharge intensity and communication radar signal and reception.How to measure the Wind sand electricity in different wind sand environment (stream, sandstorm and dust devil) accurately and real-time, become a popular problem of environmental mechanics research field.
At present, conventional electric field measurement equipment mainly contains two kinds: a kind of is the capacitance-type vibration formula atmospheric electric field measuring equipment utilizing electric field induction electric charge and the development of capacitor discharge principle, and another kind is the rotation protected type atmospheric electric field measuring equipment utilizing electric field shielding principle to develop.This two classes atmospheric electric field measuring equipment all exists some problems when being applied to special wind sand environment electric field measurement makes its cisco unity malfunction, and wherein topmost problem has following three aspects
(1) the different-grain diameter be mingled with in wind sand environment and the grains of sand of shape can impact the vibration of electric field measurement equipment probe front end and rotary inductive parts in the process measured, its result makes the inductive means of popping one's head in cannot steady operation, affects correctness and the precision of experimental result;
(2) the existing atmospheric electric field measuring equipment linearity is better, respond sensitiveer working range mainly within 100kV/m, and in wind sand environment, in sandstorm, particularly had been found that the existence of 200kV/m-300kV/m size electric field, therefore existing atmospheric electric field measuring equipment also cannot meet the measurement of wind sand environment electric field from the angle of range;
Wind sand electricity due to its environment produced and condition very complicated, therefore its direction of an electric field is not what determine, its direction in three dimensions and size are all in continuous change, and existing atmospheric electric field measuring equipment does not possess the independent measurement ability to electric field three-dimensional component, the distributed in three dimensions result of Wind sand electricity therefore also just intactly can not be provided.
Visible, not also being suitable at present carrying out effectively Wind sand electricity and the specific electric measuring equipment of Measurement accuracy, is cause the bottleneck lacked so far the Wind sand electricity comparatively observation of system and the comprehensive announcement to its rule.Realizing in process of the present invention, inventor finding at least there is sand-proof ability in prior art, do not possessing antijamming capability and the defect such as intelligence degree is low.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of intelligent Wind sand electricity measuring system based on three-dimensional probe, with realize sand-proof ability strong, lateral electric fields, measurement range is wide and intelligence degree is high advantage can be shielded.
Another object of the present invention is to, propose a kind of three-dimensional probe used based on the intelligent Wind sand electricity measuring system of three-dimensional probe.
For achieving the above object, the technical solution used in the present invention is: a kind of intelligent Wind sand electricity measuring system based on three-dimensional probe, comprise and contacting with Wind sand electricity, and for gathering the on-the-spot X of Wind sand electricity to signal, the three-dimensional probe of Y-direction signal and Z-direction signal, respectively with the X of described three-dimensional probe to signals collecting end, Y-direction signals collecting end is connected with Z-direction signals collecting end, and for carrying out the front-end processing unit of primary treatment to the on-site signal from three-dimensional probe respective direction, and be connected with described front-end processing unit respectively, and for selecting primary treatment result and the back-end processing unit of overall treatment.
Further, described front-end processing unit, comprises the X of parallel join between the respective direction signals collecting end and analog switch module of three-dimensional probe to induced signal pretreatment module, Y-direction induced signal pretreatment module and Z-direction induced signal pretreatment module.
Further, described X, to induced signal pretreatment module, Y-direction induced signal pretreatment module and Z-direction induced signal pretreatment module, at least includes elementary amplification and filtration module.
Further, described back-end processing unit, comprise the analog switch module for selecting the on-site signal of respective direction to pass through, and the rear end that processes successively of the on-site signal successively with described analog switch model calling and for passing through analog switch model choice is amplified and filtering processing module, sampling keeps and peak detection block, A/D module, the single-chip microcomputer with timing function and computer disposal terminal; Described single-chip microcomputer also with analog switch model calling, select the on-site signal of respective direction to pass through for control simulation switch module.
Further, described back-end processing unit, also comprises the external interface module be connected with described computer disposal terminal.
Further, described three-dimensional probe, comprises with the base position of three-dimensional coordinate system for physical construction basic point, and the X stretched out respectively in, Y-direction and Z-direction at the X of three-dimensional coordinate system is to shielding case, Y-direction shielding case and Z-direction shielding case; And, be built in the inner and unidirectional electrical field measurement vibrating capacitance probe for measuring respective direction electric field signal of respective direction shielding case respectively.
Further, the unidirectional electrical field measurement vibrating capacitance probe in each direction, comprise and be arranged on the outside and sheet that shakes towards the outside of external electric field of respective direction shielding case, for preventing the dust storm grains of sand from impacting and to be arranged on respective direction shielding case inner and to shake sheet with respective external inside corresponding to sheet that shakes, and it is inner and for driving the described inside sheet that shakes to carry out periodic vibration and gather the oscillator of the sensor current signal of respective direction electric field signal to be arranged on respective direction shielding case.
Simultaneously, another technical scheme that the present invention adopts is: the three-dimensional probe used based on the intelligent Wind sand electricity measuring system of three-dimensional probe described in more than one, comprise with the base position of three-dimensional coordinate system for physical construction basic point, the X stretched out respectively in, Y-direction and Z-direction at the X of three-dimensional coordinate system is to shielding case, Y-direction shielding case and Z-direction shielding case; And, be built in the inner and unidirectional electrical field measurement vibrating capacitance probe for measuring respective direction electric field signal of respective direction shielding case respectively.
Further, the unidirectional electrical field measurement vibrating capacitance probe in each direction, comprise and be arranged on the outside and sheet that shakes towards the outside of external electric field of respective direction shielding case, for preventing the dust storm grains of sand from impacting and to be arranged on respective direction shielding case inner and to shake sheet with respective external inside corresponding to sheet that shakes, and it is inner and for driving the described inside sheet that shakes to carry out periodic vibration and gather the oscillator of the sensor current signal of respective direction electric field signal to be arranged on respective direction shielding case.
The intelligent Wind sand electricity measuring system based on three-dimensional probe of various embodiments of the present invention and three-dimensional probe, contact with Wind sand electricity because this system comprises, and for gathering the on-the-spot X of Wind sand electricity to signal, the three-dimensional probe of Y-direction signal and Z-direction signal, respectively with the X of three-dimensional probe to signals collecting end, Y-direction signals collecting end is connected with Z-direction signals collecting end, and for carrying out the front-end processing unit of primary treatment to the on-site signal from three-dimensional probe respective direction, and be connected with front-end processing unit respectively, and for selecting primary treatment result and the back-end processing unit of overall treatment, can three-dimensional probe being adopted, mainly through having single-chip microcomputer and the computer disposal terminal of timing function, Intelligent Measurement within the scope of three dimensions and control being carried out to the on-site signal of Wind sand electricity, thus sand-proof ability in prior art can be overcome, do not possess antijamming capability and the low defect of intelligence degree, with realize sand-proof ability strong, lateral electric fields, measurement range is wide and intelligence degree is high advantage can be shielded.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the shielding case of three-dimensional probe of the present invention;
Fig. 2 is the principle of work schematic diagram of the intelligent Wind sand electricity measuring system that the present invention is based on three-dimensional probe.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
embodiment one
According to the embodiment of the present invention, provide a kind of three-dimensional probe.As shown in Figure 1, the present embodiment comprises with the base position of three-dimensional coordinate system for physical construction basic point, and the X stretched out respectively in, Y-direction and Z-direction at the X of three-dimensional coordinate system is to shielding case, Y-direction shielding case and Z-direction shielding case; And, be built in the inner and unidirectional electrical field measurement vibrating capacitance probe for measuring respective direction electric field signal of respective direction shielding case respectively.
Particularly, the unidirectional electrical field measurement vibrating capacitance probe in each direction, comprise and be arranged on the outside and sheet that shakes towards the outside of external electric field of respective direction shielding case, for preventing the dust storm grains of sand from impacting and to be arranged on respective direction shielding case inner and to shake sheet with respective external inside corresponding to sheet that shakes, and it is inner and for driving the inside sheet that shakes to carry out periodic vibration and gather the oscillator of the sensor current signal of respective direction electric field signal to be arranged on respective direction shielding case.
The three-dimensional probe of above-described embodiment, is a kind of three-dimensional Wind sand electricity measuring sonde, can be used at Wind sand electricity space place, and the synchronous Wind sand electricity of three-dimensional realizing a spatial point is measured; This three-dimensional probe, have maskable survey lateral electric fields function and the sand-proof function in direction, possessed again the function of some three-dimensional synchro measures simultaneously.
The three-dimensional probe of above-described embodiment, makes the single-point in each space pop one's head in (as unidirectional electrical field measurement vibrating capacitance probe), all can realize three-dimensional and measure simultaneously.The structure of this three-dimensional probe has been done combination and has been improved on original unidirectional probe, and the wherein basic point of the physical construction of three-dimensional probe is the base position of unidirectional probe space coordinates.At horizontal X, Y of space coordinates, longitudinal Z-direction respectively stretches out a shielding case, (wherein shake towards the outside of external electric field built-in unidirectional electrical field measurement vibrating capacitance probe sheet, impact is impacted in order to prevent the dust storm grains of sand, be fixed in shielding case, the inside corresponding to the outside sheet that shakes shakes sheet, is driven carry out periodic vibration and gather sensor current signal by oscillator).
embodiment two
According to the embodiment of the present invention, provide a kind of intelligent Wind sand electricity measuring system based on three-dimensional probe.As depicted in figs. 1 and 2, the present embodiment comprises and to contact with Wind sand electricity and for gathering the three-dimensional probe of the on-the-spot X of Wind sand electricity to signal, Y-direction signal and Z-direction signal, be connected and front-end processing unit for carrying out primary treatment to the on-site signal from three-dimensional probe respective direction to signals collecting end, Y-direction signals collecting end and Z-direction signals collecting end with the X of three-dimensional probe respectively, and be connected with front-end processing unit respectively and for selecting primary treatment result and the back-end processing unit of overall treatment.This three-dimensional probe, see the related description of above-described embodiment one and Fig. 1, can not repeat them here.
Wherein, above-mentioned front-end processing unit, comprises the X of parallel join between the respective direction signals collecting end and analog switch module of three-dimensional probe to induced signal pretreatment module, Y-direction induced signal pretreatment module and Z-direction induced signal pretreatment module.X, to induced signal pretreatment module, Y-direction induced signal pretreatment module and Z-direction induced signal pretreatment module, at least includes elementary amplification and filtration module.
Above-mentioned back-end processing unit, comprise the analog switch module for selecting the on-site signal of respective direction to pass through, the rear end that on-site signal successively with analog switch model calling and for passing through analog switch model choice processes successively is amplified and filtering processing module, sampling keeps and peak detection block, A/D module, the single-chip microcomputer with timing function and computer disposal terminal, and the external interface module be connected with computer disposal terminal; Single-chip microcomputer also with analog switch model calling, select the on-site signal of respective direction to pass through for control simulation switch module.This back-end processing unit, have employed singlechip CPU and carries out intelligent measure.
After each unidirectional electrical field measurement vibrating capacitance probe in the three-dimensional probe adopting above-described embodiment one, be connected to the induced signal pretreatment module of respective direction, to the variable-current signal that corresponding unidirectional electrical field measurement vibrating capacitance probe collects, tentatively amplify and filtering process.
The intelligent Wind sand electricity measuring system based on three-dimensional probe of above-described embodiment, primarily of three-dimensional probe, the three roads probe pretreatment module of induced signals, analog switch module, rear end amplification filtering module, sampling keeps and peak detection block, A/D module and single-chip microcomputer (comprising the single-chip microcomputer of timer function), computer disposal terminal and the interface module to outer computer form.Wherein, three-dimensional probe is used at space single-point acquiring three direction X to, Y-direction, and the Wind sand electricity sensor current signal of longitudinal Z-direction, wherein, after the induction current in each direction is collected by unidirectional electrical field measurement vibrating capacitance probe, enter the pretreatment module at probe rear.Carry out the pre-amplification of sensor current signal, pre-filtering process.Process Hou tri-road X, Y, Z-direction signal, be together linked into the analog switch module of back-end processing unit.The address signal of analog switch module, is periodically provided by the single-chip microcomputer with timer function.Single-chip microcomputer will provide the gating signal of X, Y, Z-direction signal in turn, therefore X, Y, Z cycle is in turn by analog switch module, enter into the amplification filtering process of rear end, sampling keeps and peakvalue's checking, A/D change, digital signal after process, singlechip CPU will be entered, singlechip CPU gathers gating signal according to the direction sent, storage classification is carried out to the digital signal received, then corresponding good corresponding direction, output to the interface module of computing machine, be transferred in software for user's collection, calculating.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the intelligent Wind sand electricity measuring system based on three-dimensional probe, it is characterized in that, comprise and contacting with Wind sand electricity, and for gathering the on-the-spot X of Wind sand electricity to signal, the three-dimensional probe of Y-direction signal and Z-direction signal, respectively with the X of described three-dimensional probe to signals collecting end, Y-direction signals collecting end is connected with Z-direction signals collecting end, and for carrying out the front-end processing unit of primary treatment to the on-site signal from three-dimensional probe respective direction, and be connected with described front-end processing unit respectively, and for selecting primary treatment result and the back-end processing unit of overall treatment,
Described front-end processing unit, comprises the X of parallel join between the respective direction signals collecting end and analog switch module of three-dimensional probe to induced signal pretreatment module, Y-direction induced signal pretreatment module and Z-direction induced signal pretreatment module;
Described X, to induced signal pretreatment module, Y-direction induced signal pretreatment module and Z-direction induced signal pretreatment module, at least includes elementary amplification and filtration module;
Described back-end processing unit, comprise the analog switch module for selecting the on-site signal of respective direction to pass through, and the rear end that processes successively of the on-site signal successively with described analog switch model calling and for passing through analog switch model choice is amplified and filtering processing module, sampling keeps and peak detection block, A/D module, the single-chip microcomputer with timing function and computer disposal terminal; Described single-chip microcomputer also with analog switch model calling, select the on-site signal of respective direction to pass through for control simulation switch module;
Described three-dimensional probe, comprises with the base position of three-dimensional coordinate system for physical construction basic point, and the X stretched out respectively in, Y-direction and Z-direction at the X of three-dimensional coordinate system is to shielding case, Y-direction shielding case and Z-direction shielding case; And, be built in the inner and unidirectional electrical field measurement vibrating capacitance probe for measuring respective direction electric field signal of respective direction shielding case respectively.
2. the intelligent Wind sand electricity measuring system based on three-dimensional probe according to claim 1, is characterized in that, described back-end processing unit, also comprises the external interface module be connected with described computer disposal terminal.
3. the intelligent Wind sand electricity measuring system based on three-dimensional probe according to claim 1, it is characterized in that, the unidirectional electrical field measurement vibrating capacitance probe in each direction, comprise and be arranged on the outside and sheet that shakes towards the outside of external electric field of respective direction shielding case, for preventing the dust storm grains of sand from impacting and to be arranged on respective direction shielding case inner and to shake sheet with respective external inside corresponding to sheet that shakes, and it is inner and for driving the described inside sheet that shakes to carry out periodic vibration and gather the oscillator of the sensor current signal of respective direction electric field signal to be arranged on respective direction shielding case.
4. the three-dimensional probe used based on the intelligent Wind sand electricity measuring system of three-dimensional probe according to claim 1, it is characterized in that, comprise with the base position of three-dimensional coordinate system for physical construction basic point, the X stretched out respectively in, Y-direction and Z-direction at the X of three-dimensional coordinate system is to shielding case, Y-direction shielding case and Z-direction shielding case; And, be built in the inner and unidirectional electrical field measurement vibrating capacitance probe for measuring respective direction electric field signal of respective direction shielding case respectively.
5. three-dimensional probe according to claim 4, it is characterized in that, the unidirectional electrical field measurement vibrating capacitance probe in each direction, comprise and be arranged on the outside and sheet that shakes towards the outside of external electric field of respective direction shielding case, for preventing the dust storm grains of sand from impacting and to be arranged on respective direction shielding case inner and to shake sheet with respective external inside corresponding to sheet that shakes, and it is inner and for driving the described inside sheet that shakes to carry out periodic vibration and gather the oscillator of the sensor current signal of respective direction electric field signal to be arranged on respective direction shielding case.
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| JP3752541B2 (en) * | 2002-12-26 | 2006-03-08 | 独立行政法人産業技術総合研究所 | Electric field detection probe and three-dimensional electric field measurement method using the probe |
| CN100473994C (en) * | 2005-07-14 | 2009-04-01 | 中国科学院电子学研究所 | Inductive electrode three-dimensional electric-field sensor |
| RU2445639C1 (en) * | 2010-12-08 | 2012-03-20 | Государственное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" ГОУ ВПО БашГУ | Electric field intensity measuring method |
| CN102288220B (en) * | 2011-06-13 | 2013-01-16 | 兰州大学 | System for measuring multiple factors such as sandstorm electric field, sand electrification, wind speed and the like synchronously in real time |
| CN202794355U (en) * | 2012-09-29 | 2013-03-13 | 兰州大学 | Intelligent dust storm electric field measuring system based on three-dimensional probe and three-dimensional probe |
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