CN103615961A - Spiral photoelectric position-sensitive locating device and method - Google Patents
Spiral photoelectric position-sensitive locating device and method Download PDFInfo
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- CN103615961A CN103615961A CN201310584923.1A CN201310584923A CN103615961A CN 103615961 A CN103615961 A CN 103615961A CN 201310584923 A CN201310584923 A CN 201310584923A CN 103615961 A CN103615961 A CN 103615961A
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Abstract
The invention belongs to the technical field of photoelectric position-sensitive detection locating, and discloses a spiral photoelectric position-sensitive locating device and method. The spiral photoelectric position-sensitive locating device comprises a base, a first spiral electrode, a second spiral electrode and a third spiral electrode. The base is made of photoconductive materials. The first spiral electrode, the second spiral electrode and the third spiral electrode are all of a spiral linear structure and are grown on the base. A spiral line of the third spiral electrode is laid in the center position of two adjacent spiral lines of the first spiral electrode, a spiral line of the second spiral electrode is laid in the center position of the spiral lines of the first spiral electrode and the spiral line of the third spiral electrode, the first spiral electrode and the third spiral electrode are positive poles and are connected with a voltage measuring device externally and the second spiral electrode is a public negative pole. The spiral linear electrodes form a close circuit at a light spot irradiation position, the voltage difference between two detectors is obtained, and therefore the two-dimensional polar coordinate value of a light spot is obtained through calculation; the structure is simple and the precision is high.
Description
Technical field
The present invention relates to the quick Detection location technical field of photopotential, particularly the quick locating device of a kind of spiral photopotential and method.
Background technology
2 D photoelectric position sensitive detector is a kind of national defence and central photodetector of industry of being widely used in.Particularly, in the center trackers such as laser alignment field, laser fuze, the guidance of active fuse, laser guidance, this two-dimentional position sensitive photodetector has demand widely.
Along with the high speed development of present science and technology, national defence and industry are more and more higher to the accuracy requirement of various centers tracker, and 2 D photoelectric position sensitive detector is as the core devices of this type systematic, and it is particularly important that the raising of its precision seems in the research and design of device.
Summary of the invention
Technical matters to be solved by this invention is to provide the quick locating device of photopotential and the localization method thereof that a kind of positioning precision is high.
For solving the problems of the technologies described above, the invention provides the quick locating device of a kind of spiral photopotential, for the positioning action of hot spot; Comprise: pedestal, the first screw electrode, the second screw electrode and triple helical electrode; Described pedestal adopts photoconductive material; Described the first screw electrode, described the second screw electrode and described triple helical electrode are spiral yarn shaped structure, are all grown on described pedestal; The helix of described triple helical electrode is laid on the center position of two adjacent helixes of described the first screw electrode; The helix of described the second screw electrode is laid on the center position of the helix of described the first screw electrode and the helix of described triple helical electrode; Described the first screw electrode and described triple helical electrode are anode, all external voltage measurement mechanism; Described the second screw electrode is common cathode.
Further, described the first screw electrode and described triple helical electrode adopt high value material; The resistivity of described the first screw electrode and described triple helical electrode material is the more than 100 times of resistivity of described the second screw electrode material.
Further, also comprise: periodic conversion output electrode; Described periodic conversion output electrode comprises: the first transfer electron, the second transfer electron and the 3rd transfer electron; Described the first transfer electron and described the 3rd transfer electron are semicircular structure; Described the second transfer electron is loop configuration; Described the first transfer electron is connected with described the first screw electrode tail end; Described the 3rd transfer electron is connected with the tail end of described triple helical electrode; Described the second transfer electron is connected with described the second screw electrode tail end.
The quick localization method of spiral photopotential, for realizing the location of hot spot; It is characterized in that, based on the quick locating device of spiral photopotential claimed in claim 1, carry out following step:
Dot projection to be positioned, on the photosensitive locating device of spiral, is detected to the output voltage V of described the first screw electrode by voltage measuring apparatus
1output voltage V with described the second screw electrode
2;
Pass through formula
calculate the polar coordinates of hot spot to be positioned;
Wherein, I
0for anode current; ρ is the resistance sizes of the unit length of anode material; D is the distance of the first screw electrode helix and the second screw electrode helix, is also the diameter of hot spot.
Further, further comprising the steps of:
Driving the first screw electrode and the second screw electrode to take both symcenter is axle, with angular velocity
be rotated counterclockwise;
When the first screw electrode and the second screw electrode produce output simultaneously, writing time interval t, the first screw electrode output voltage V
10and the output voltage V of the second screw electrode
20;
Pass through formula
calculate the precise polar of hot spot to be positioned, reduce systematic error.
Further, the swing circle of the first screw electrode and the second screw electrode is π; Gather the method that the polar coordinates in a plurality of cycles average and reduce stochastic error.
Further, reference point A is set on screw electrode, voltage difference V
a, polar coordinates radius r
a; Pass through formula | V
1-V
2/ V
a|=| r/r
a| revise the polar coordinates radius r obtaining in real time, reduce the error of the inaccurate calculating causing of ρ value.
The quick locating device of spiral photopotential provided by the invention and the localization method based on this device, realize two-dimensional localization by double spiral electrode structure cleverly, thereby draw the binary pole coordinate parameter of hot spot to be positioned, and then complete location; The present invention utilizes spiral yarn shaped bipolar electrode conducting locator meams, high-precision location, quickness and high efficiency dexterously; Location structure is simple, with low cost simultaneously, is suitable for scale and uses.
Accompanying drawing explanation
The structural representation of the quick locating device of spiral photopotential that Fig. 1 provides for the embodiment of the present invention;
The screw electrode of the quick locating device of spiral photopotential that Fig. 2 provides for the embodiment of the present invention and the structural representation of output electrode;
Wherein, 1-the first screw electrode, 2-the second screw electrode, 3-triple helical electrode, 4-the first output electrode, 5-the second output electrode, 6-the 3rd output electrode.
Embodiment
Referring to Fig. 1, the quick locating device of a kind of spiral photopotential that the embodiment of the present invention provides, realizes two-dimensional localization by the linear electrode of double helix, and draws the polar coordinates of hot spot to be positioned based on spiral yarn shaped mathematics characteristic, thereby realize spot location.
The quick locating device of spiral photopotential comprises: pedestal, the first screw electrode 1, the second screw electrode 2 and triple helical electrode 3; Pedestal adopts photoconductive material; The first screw electrode 1, the second screw electrode 2 and triple helical electrode 3 are spiral yarn shaped structure, are grown on pedestal; On helix a little all different apart from the distance in its center of circle, and play screw electrode tail end from the helix center of circle, the distance that arrives a little the center of circle is ascending, be linear change, thereby can realize accurately by helix, continuous, the coordinate setting of non-blind area; The helix of triple helical electrode 3 is laid on the center position of two adjacent helixes of the first screw electrode 1, the helix of the second screw electrode 2 is laid on the center position of first helix of screw electrode 1 and the helix of triple helical electrode 3, the first screw electrode 1 is anode with described triple helical electrode 3, equal external voltage measurement mechanism, the second screw electrode 2 is common cathode; Thereby by the conduction status of two anodes, obtain the position signalling of hot spot to be measured; When the first screw electrode 1 and 3 conducting simultaneously of triple helical electrode, will locate and obtain pole coordinate parameter accurately by two-dimensional parameter, realize accurately location.In view of the distance of center circle parameter of the LINEAR CONTINUOUS of helix, the pole coordinate parameter of two-dimensional localization, will be linear, continuous equally, thereby realize high-precision location.
The first screw electrode 1, the second screw electrode 2 and triple helical electrode 3 adopt the Material growth of different resistances on the pedestal of photoconductive material formation; The resistivity of the material of the first screw electrode 1 and triple helical electrode 3 is the more than 100 times of resistivity of the material of the second screw electrode 2.
Photoelectricity position sensitive detector adopts photoconductive material under illumination condition, the characteristic that resistance super large amplitude reduces; When anode conducting, for fear of negative electrode, i.e. the measurement of the Resistance Influence anode resistance of the second screw electrode 2; Preferably, anode, the resistivity of material that the first screw electrode 1 and triple helical electrode 3 adopt and the differential resistivity of the second screw electrode 2 are apart from being the bigger the better, when experiment measuring, be at least two orders of magnitude, the resistivity that is anode material is at least the more than 100 times of cathode material resistivity, to avoid cathode resistor to affect polar computational accuracy, and then affects positioning precision.In actual use procedure, the first screw electrode, triple helical electrode employing high value material, easily measure, and the second screw electrode adopts low resistance material, because the second screw electrode is common cathode, can think and measurement be affected and ignored ground connection simultaneously.
In view of spiral yarn shaped architectural characteristic, it cannot be realized FR disc and cover, and has the disappearance of edge part, has certain systematic error; Therefore in order to eliminate systematic error, the present embodiment operates by kinetic measurement, reaches the object of eliminating systematic error; That is,, by the have mercy on rotation in its center of circle of screw electrode, make the tail end of spiral yarn shaped structure cover the part scope of disappearance.
Referring to Fig. 2, the quick locating device of spiral photopotential also comprises: periodic conversion output electrode; Periodic conversion output electrode comprises: first turns 4 changes electrode, the second transfer electron 5 and the 3rd transfer electron 6; The first transfer electron 4 and the 3rd transfer electron 6 are semicircular structure; The second transfer electron 5 is loop configuration; The first transfer electron 4 is connected with the first screw electrode 1 tail end; The 3rd transfer electron 6 is connected with the tail end of triple helical electrode 3; The second transfer electron 5 is connected with the second screw electrode 2 tail ends; The tail end of the first screw electrode 1, the second screw electrode 2 and triple helical electrode 3 slides and is connected respectively in output electrode, and output voltage signal, covers thereby realize complete gamut in real time, eliminates systematic error, improves positioning precision.
Based on said apparatus, the present embodiment proposes a kind of localization method, and dot projection to be positioned, on the photosensitive locating device of spiral, is detected to the output voltage V of described the first screw electrode by voltage measuring apparatus
1output voltage V with described the second screw electrode
2;
Pass through formula
calculate the polar coordinates of hot spot to be positioned;
Wherein, I
0for anode current; ρ is the resistance sizes of the unit length of anode material; D is the distance of the first screw electrode helix and the second screw electrode helix, is also the diameter of hot spot.
When the first screw electrode and triple helical electrode conduction, two voltage differences are directly proportional to the arc length of firing point to the helix center of circle,
According to the mathematics characteristic r=α θ of helix, wherein, θ is angle value; α is spiral constant, relevant with the spiral pitch d of the first screw electrode and triple helical electrode, that is:
There is above-mentioned formula simultaneous to obtain
Thereby obtain the polar coordinates of hot spot to be positioned
While carrying out kinetic measurement, increase following steps:
Driving the first screw electrode and the second screw electrode to take both symcenter is axle, with angular velocity
be rotated counterclockwise;
When the first screw electrode and the second screw electrode produce output simultaneously, writing time interval t, the first screw electrode output voltage V
10and the output voltage V of the second screw electrode
20;
Pass through formula
calculate the precise polar of hot spot to be positioned, reduce systematic error.
According to the continuous growth property of the polar coordinates radius r value of helix, can only a corresponding polar coordinates radius to survey each circle ring area at center, so, by dynamic instrumentation method, we can FR Detection location, and trueness error can be zero in theory.
For realizing continuity dynamic instrumentation, adopt two-sided PCB circuit board making, the positive lead-in wire that utilizes couples together detection chip and circuit board metal wire, and the back side makes the double track round loop electrode as shown in figure .2, and tow sides metal wire is communicated with.The connected mode of external power supply and signal output part and chip circuit is adopted to slide rail mode, detector chip can be rotated continuously, every half cycle is one-period, meanwhile, makes the light signal of light source carry out periodicity input with the same cycle.The swing circle of the first screw electrode and the second screw electrode is π; Gather the method that the polar coordinates in a plurality of cycles average and reduce stochastic error.
Reference point A is set on polar coordinates, voltage difference V
a, polar coordinates radius radius r
a; Pass through formula | V
1-V
2/ V
a|=| r/r
a| revise the polar coordinates radius r of any point; By absolute value of voltage, calculated, try to achieve the pole coordinate parameter that r value obtains in real time, reduce the error of the inaccurate calculating causing of ρ value.
The quick locating device of spiral photopotential provided by the invention and the localization method based on this device, realize two-dimensional localization by double spiral electrode structure cleverly, thereby draw the binary pole coordinate parameter of hot spot to be positioned, and then complete location; The present invention utilizes spiral yarn shaped bipolar electrode conducting locator meams, high-precision location, quickness and high efficiency dexterously; Location structure is simple, with low cost simultaneously, is suitable for scale and uses.The polar coordinates of the mathematics property calculation hot spot to be positioned by spiral yarn shaped structure simultaneously, data correction and by dynamic measuring method, eliminates stochastic error, systematic error and the error of calculation; Thereby positioning precision and coverage have greatly been improved; Its simple structure, easy method of operating, makes it be easier to scale and uses.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. the quick locating device of spiral photopotential, for the positioning action of hot spot; It is characterized in that, comprising: pedestal, the first screw electrode, the second screw electrode and triple helical electrode; Described pedestal adopts photoconductive material; Described the first screw electrode, described the second screw electrode and described triple helical electrode are spiral yarn shaped structure, are all grown on described pedestal; The helix of described triple helical electrode is laid on the center position of two adjacent helixes of described the first screw electrode; The helix of described the second screw electrode is laid on the center position of the helix of described the first screw electrode and the helix of described triple helical electrode; Described the first screw electrode and described triple helical electrode are anode, all external voltage measurement mechanism; Described the second screw electrode is common cathode.
2. the quick locating device of spiral photopotential as claimed in claim 1, is characterized in that: described the first screw electrode and described triple helical electrode adopt high resistivity material; The resistivity of described the first screw electrode and described triple helical electrode material is the more than 100 times of resistivity of described the second screw electrode material.
3. the quick locating device of spiral photopotential as claimed in claim 2, is characterized in that, also comprises: periodic conversion output electrode; Described periodic conversion output electrode comprises: the first transfer electron, the second transfer electron and the 3rd transfer electron; Described the first transfer electron and described the 3rd transfer electron are semicircular structure; Described the second transfer electron is loop configuration; Described the first transfer electron is connected with described the first screw electrode tail end; Described the 3rd transfer electron is connected with the tail end of described triple helical electrode; Described the second transfer electron is connected with described the second screw electrode tail end.
4. the quick localization method of spiral photopotential, for realizing the location of hot spot; It is characterized in that, based on the quick locating device of spiral photopotential claimed in claim 1, carry out following step:
Dot projection to be positioned, on the photosensitive locating device of spiral, is detected to the output voltage V of described the first screw electrode by voltage measuring apparatus
1output voltage V with described the second screw electrode
2;
Pass through formula
calculate the polar coordinates of hot spot to be positioned;
Wherein, I
0for anode current; ρ is the resistance sizes of the unit length of anode material; D is the distance of the first screw electrode helix and the second screw electrode helix, is also the diameter of hot spot.
5. the quick localization method of spiral photopotential as claimed in claim 4, is characterized in that, further comprising the steps of:
Driving the first screw electrode and the second screw electrode to take both symcenter is axle, with angular velocity
be rotated counterclockwise;
When the first screw electrode and the second screw electrode produce output simultaneously, writing time interval t, the first screw electrode output voltage V
10and the output voltage V of the second screw electrode
20;
Pass through formula
calculate the precise polar of hot spot to be positioned, reduce systematic error.
6. the quick localization method of spiral photopotential as claimed in claim 5, is characterized in that: the swing circle of the first screw electrode and the second screw electrode is π; Gather the method that the polar coordinates in a plurality of cycles average and reduce stochastic error.
7. the quick localization method of spiral photopotential as claimed in claim 6, is characterized in that: reference point A is set on screw electrode, voltage difference V
a, polar coordinates radius r
a; Pass through formula | V
1-V
2/ V
a|=| r/r
a| revise the polar coordinates radius r obtaining in real time, reduce the inaccurate error of calculation causing of ρ value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584923.1A CN103615961B (en) | 2013-11-19 | 2013-11-19 | A kind of spiral photoelectric position-sensitive locating device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310584923.1A CN103615961B (en) | 2013-11-19 | 2013-11-19 | A kind of spiral photoelectric position-sensitive locating device and method |
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| CN103615961A true CN103615961A (en) | 2014-03-05 |
| CN103615961B CN103615961B (en) | 2016-03-23 |
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|---|---|---|---|
| CN201310584923.1A Expired - Fee Related CN103615961B (en) | 2013-11-19 | 2013-11-19 | A kind of spiral photoelectric position-sensitive locating device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468748A (en) * | 2016-09-22 | 2017-03-01 | 国网山东省电力公司经济技术研究院 | A kind of method for equalizing voltage of transformer station main grounding grid |
| CN110986763A (en) * | 2019-11-29 | 2020-04-10 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Double-helix photoelectric detection system and detection method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796928A (en) * | 2004-12-28 | 2006-07-05 | 北京航空航天大学 | Method and devices for measuring dynamic response error of position sensor |
| CN102544185A (en) * | 2011-12-29 | 2012-07-04 | 东南大学 | Light spot position detection sensor |
| WO2012101631A2 (en) * | 2011-01-24 | 2012-08-02 | Ophir Optronics Ltd. | Photodiode beam position and size sensor |
| CN203133807U (en) * | 2012-03-09 | 2013-08-14 | 株式会社和冠 | Sensor of electromagnetic inducting type coordinate input device |
-
2013
- 2013-11-19 CN CN201310584923.1A patent/CN103615961B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796928A (en) * | 2004-12-28 | 2006-07-05 | 北京航空航天大学 | Method and devices for measuring dynamic response error of position sensor |
| WO2012101631A2 (en) * | 2011-01-24 | 2012-08-02 | Ophir Optronics Ltd. | Photodiode beam position and size sensor |
| CN102544185A (en) * | 2011-12-29 | 2012-07-04 | 东南大学 | Light spot position detection sensor |
| CN203133807U (en) * | 2012-03-09 | 2013-08-14 | 株式会社和冠 | Sensor of electromagnetic inducting type coordinate input device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468748A (en) * | 2016-09-22 | 2017-03-01 | 国网山东省电力公司经济技术研究院 | A kind of method for equalizing voltage of transformer station main grounding grid |
| CN106468748B (en) * | 2016-09-22 | 2019-01-18 | 国网山东省电力公司经济技术研究院 | A kind of method for equalizing voltage of substation's main grounding grid |
| CN110986763A (en) * | 2019-11-29 | 2020-04-10 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Double-helix photoelectric detection system and detection method thereof |
| CN110986763B (en) * | 2019-11-29 | 2021-07-20 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Double-helix photoelectric detection system and detection method thereof |
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