CN103743344A - Object motion track measuring system - Google Patents
Object motion track measuring system Download PDFInfo
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- CN103743344A CN103743344A CN201410025077.4A CN201410025077A CN103743344A CN 103743344 A CN103743344 A CN 103743344A CN 201410025077 A CN201410025077 A CN 201410025077A CN 103743344 A CN103743344 A CN 103743344A
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Abstract
An object motion track measuring system comprises a base, a laser scanner assembly fixedly arranged on the base, and multiple groups of reflection mirror assemblies, wherein reflection mirrors of every adjacent two groups of reflection mirror assemblies are tightly connected together in a leaning mode and are arrayed and fixed on the base according to certain setting; the multiple groups of reflection mirror assemblies form a structure surrounding the laser scanner assembly by a half and can reflect an optical signal emitted from the laser scanner assembly to a set range. According to the system, as the multiple groups of reflection mirror assemblies and a laser scanner are matched to form a scanning system, the scanning frequency of the scanning system is a plurality of times that of a single laser scanner, and the track capturing capacity for a high-speed target is greatly improved. Meanwhile, the object motion track measuring system is simple in structure, is easy to machine and assemble and can be fast assembled and used for measuring during use.
Description
Technical field
The present invention relates to a kind of optical measuring system, particularly relate to a kind of for measuring the movement locus of object measuring system of movement locus of high-speed moving object.
Background technology
Movement locus is one of most important object of which movement information, by the movement locus characteristics of motion of object analysis well, can also calculate other movable information, as speed, acceleration etc.At present, the movement locus of measuring object can utilize video camera to observe object, and measures the movement locus of object (human body), in supervisory system, sports analytic system, is important analysis means.
3-D scanning is to integrate light, mechanical, electrical and new and high technology computer technology, is mainly used in object space profile and structure to scan, to obtain the volume coordinate of body surface.Its significance is steric information in kind to be converted to calculates the digital signal that function is directly processed, for digitizing in kind provides quite conveniently means.
For the movement locus of velocity ratio moving object faster, using laser scanner measurement is a kind of means of relatively commonly using at present.But due to the restriction of sweep frequency of laser scanner etc., make to use separately a laser scanner can not reach the effect of measuring movement locus, so using many laser scanners measures, but use many laser scanners, its cooperative precision is low, system complex, inapplicable, simultaneously for swiftly passing object, because speed of moving body is very fast, even if use many laser scanners to be also difficult to measure its movement locus, even and measure movement locus, its degree of accuracy can not get a desired effect.
Summary of the invention
The present invention makes for solving the problems of the technologies described above, and it is a kind of for measuring the movement locus of object measuring system of movement locus of swiftly passing object that its object is to provide.This system architecture is simple, and installs easily, and the light signal sweep frequency of using many group mirror assemblies to be equivalent to laser scanner to send is carried out frequency amplification, makes the track of the object that can measure more speed motion in measurement range.
The invention provides a kind of movement locus of object measuring system, wherein, comprising: base; Laser scanner assembly, is fixedly mounted on described base; Many group mirror assemblies, the catoptron that is arranged to every two adjacent groups mirror assembly closely abuts against together, and arrange, be fixed on described base according to certain setting, the structure of laser scanner assembly described in described many group mirror assembly formation semi-surroundings, each group mirror assembly can both be by the complete same section of movement locus of object laser scanner assembly that reflexes to, according to preset frequency, many groups mirror assembly is scanned, to obtain when testee moves, be incident upon and organize the Mirror Infos in mirror assemblies more.
Described movement locus of object measuring system, wherein, described laser scanner assembly comprises the pole of laser scanner, vertical direction and the fixed mount of horizontal direction, described pole and described fixed mount are fixed together, described laser scanner is fixed on described pole, and can move vertically along described pole, described fixed mount is fixed on described base.
Described movement locus of object measuring system, wherein, described many group mirror assemblies are arranged on base, described many group mirror assemblies are arranged to the form of semi-surrounding laser scanner assembly, and many group mirror assemblies are symmetrical about a perpendicular of setting, and make mirror assembly position symmetry, the quantity of these plane both sides identical; Described laser scanner is towards described mirror assembly, and the vertical median surface of described laser scanner overlaps with the described perpendicular of many group mirror assemblies.
Described movement locus of object measuring system, wherein, described pole being arranged to can move horizontally along the direction of described fixed mount, to regulate the horizontal median surface of laser scanner camera lens to overlap with the horizontal median surface of catoptron in mirror assembly.
Described movement locus of object measuring system, wherein, described mirror assembly comprises: supporting seat, is fixed on described base; Horizontal revolving stage, is arranged on the top of described supporting seat, for the position angle of accommodation reflex mirror assembly; Link, is fixed on the top of described horizontal revolving stage; Web joint, is fixed on described link vertically; Position, angle platform, is fixed on described web joint, for the angle of pitch of accommodation reflex mirror; Fixed head, is fixed on the side contrary with described web joint of position, described angle platform; Catoptron, is fixed on described fixed head, for reflecting the laser beam of described laser scanner transmitting.
Described movement locus of object measuring system, wherein, also be included in the movement locus simulation frame arranging within the scope of described testee movement locus, for simulating the movement locus roughly of described object, to regulate the position of described many group mirror assemblies, this movement locus simulation frame comprises multiple main body racks and multiple cross bar, and described multiple main body racks can regulate height at vertical direction, described cross bar is arranged between two described main body racks, and multiple described cross bars are on same straight line.
Described movement locus of object measuring system, wherein, described many group mirror assemblies are arranged in the field range of described laser scanner.
Described movement locus of object measuring system, wherein, the width design of the described catoptron of described many group mirror assemblies is for equal or unequal.
According to said system, owing to using many group mirror assemblies to coordinate laser scanner to form scanning system, the sweep frequency of described scanning system is equivalent to the several times of single laser scanner scans frequency, has greatly improved the track capturing ability to high-speed target.Meanwhile, of the present invention simple in structure, process and assemble is easy, and can carry out very soon Installation and Measurement in use.
Accompanying drawing explanation
Fig. 1 is the structural representation of movement locus of object measuring system of the present invention.
Fig. 2 is the schematic diagram of the laser scanner assembly of movement locus of object measuring system of the present invention.
Fig. 3 is the schematic diagram of the mirror assembly of movement locus of object measuring system of the present invention.
Fig. 4 is the structural representation of the simulation frame of movement locus of object measuring system of the present invention.
Fig. 5 is the schematic diagram of the movement locus of object measuring system layout of one embodiment of the present of invention.
Embodiment
The embodiment of body movement locus measuring system of the present invention is described below with reference to the accompanying drawings.Those of ordinary skill in the art can recognize, without departing from the spirit and scope of the present invention in the situation that, can to described embodiment, revise by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection domain of claim.In addition, in this manual, accompanying drawing draws not in scale, and identical Reference numeral represents same or analogous part.
Fig. 1 is the vertical view that represents movement locus of object measuring system of the present invention.
As described in Figure 1, movement locus of object measuring system of the present invention comprises: base 100, laser scanner assembly 200 and organize mirror assembly 300 more.
Wherein, base 100 is for supporting laser scanner assembly 200, organizing the members such as mirror assembly 300 more.In the present embodiment, this base 100 can be used optical table, has threaded hole and can be screwed other members on it.In another embodiment of the present invention, base 100 can be comprised of several contour optical tables, above every optical table, places aforementioned components.
Fig. 2 is the laser scanner assembly schematic diagram of movement locus of object measuring system of the present invention.As shown in Figure 2, laser scanner assembly comprises laser scanner 210, backboard 211, vertical pole 212 and horizontal fixed mount 213.
Fig. 3 is the schematic diagram that represents the mirror assembly of the movement locus of object measuring system the present invention relates to.As shown in Figure 3, mirror assembly 300 comprises supporting seat 310, horizontal revolving stage 320, link 330, web joint 340, position, angle platform 350, fixed head 360, briquetting 370, spline 380 and catoptron 390.
Supporting seat 310 is fixed on base 100, for members such as support level turntable 320, link 330, web joint 340, position, angle platform 350, fixed head 360, briquetting 370, spline 380 and catoptrons 390.In the present embodiment, supporting seat 310 can be used screw to be fixed on base 100.Horizontal revolving stage 320 is fixed on supporting seat 310, for the position angle of accommodation reflex mirror 390.Link 330 is fixed on the top of horizontal rotating table 320, the upper end fixed connecting plate 340 of link 330.Web joint 340 is slab construction, for fixed angles position platform 350, and the angle of pitch that position, angle platform 350 can accommodation reflex mirror 390.Fixed head 360 is fixed on position, angle platform 350, for fixing briquetting 370.Briquetting 370 is fixed on fixed head 360, for compressing catoptron 390.Spline 380 is placed between briquetting 370 and catoptron 390, prevents that briquetting 370 from damaging catoptron 390.
In the present embodiment, shown in catoptron be fully-reflected plane mirror, and the width of the catoptron of every group of mirror assembly was set according to concrete needs.
Fig. 4 is the schematic diagram of the movement locus simulation frame of movement locus of object measuring system of the present invention.As shown in Figure 4, described movement locus of object measuring system also comprises movement locus simulation frame 400, and movement locus simulation frame 400 comprises multiple main body racks 410 and multiple cross bar 420.
Wherein, described multiple supports 410 can regulate height at vertical direction, and described cross bar 420 is arranged between two described main body racks 410, and multiple described cross bars 420 are on same straight line.
When using movement locus simulation frame, first determine the scope of testee movement locus, then in the scope of testee movement locus, place movement locus simulation frame 400, making the height of described movement locus simulation frame 400 is general height of described object of which movement.
Then described movement locus simulation frame 400 is simulated to the movement locus as described object, on base 100, place laser scanner assembly 200 and many group mirror assemblies 300, the laser beam that the laser scanner 210 of laser scanner assembly 200 sends is just in time irradiated on described movement locus simulation frame 400 after too much organizing mirror assembly 300 reflections, and the laser beam irradiation of all reflections is simulated in the scope of the setting on frame 400 to movement locus.
The following specifically describes the installation of measuring system and the process of adjusting of movement locus of object of the present invention.
Fig. 5 is the schematic diagram of the movement locus of object measuring system layout of one embodiment of the present of invention.
From left to right be followed successively by first surface catoptron to the ten dihedral reflectors, label is followed successively by 1 to 12, point A, B,, M is respectively the edge of a catoptron, and some O is laser scanner position, will measure one section of the movement locus of PQ measured target, is the scope setting on movement locus simulation frame 400.
In the present embodiment, described many group mirror assemblies 300 are arranged on base 100, described many group mirror assemblies 300 are arranged to the form of semi-surrounding laser scanner assembly 200, and many group mirror assemblies are symmetrical about the perpendicular that on base, imagination is set, and mirror assembly position symmetry, the quantity of these plane both sides are identical; Described laser scanner 210 is towards described mirror assembly 300, and the vertical median surface of described laser scanner 210 overlaps with the vertical symmetrical plane of many group mirror assemblies.
In the present embodiment, the visual field of laser scanner 210 is 190 degree, the laser scanner course of work is, scanning light beam is one-period from inswept 190 degree of its reference position along continuous straight runs, in like manner, then enter next cycle, then from inswept 190 degree of reference position along continuous straight runs, described reference position refers to a marginal position of visual field.Because the quantity of the mirror assembly 300 of the present embodiment is to use 12 groups, the visual field of laser scanner is divided into 12 parts, the angle of every portion is approximately 16 degree, the angle of two of each catoptron edges and laser scanner line is 16 degree.
Take the angular bisector OG of the field angle of laser scanner 210 as axis of symmetry, 6 groups of mirror assemblies are respectively placed on both sides, and the mirror assembly on both sides is placed about straight line OG is symmetrical.Because the scanning of laser scanner is to utilize a light beam inswept in field range with certain speed and frequency, for the laser beam that laser scanner sends can be irradiated on catoptron effectively, should adjust laser scanner optical center line and catoptron and be centered close in same level.
The movement locus of measured target is probably at PQ place, and in adjustment System, the position of laser scanner and each mirror assembly, makes the object moving within the scope of PQ within the field range of scanner.A generating laser is placed on to O point position, and described generating laser is placed on azimuth rotating platform, adjust first mirror assembly, make when the illumination of generating laser is mapped to the edge A of catoptron 1, reflected light is just irradiated to P point, continue to adjust first mirror assembly, make when the illumination of generating laser is mapped to the edge B of catoptron 1, reflected light is just irradiated to Q point; Then adjust second mirror assembly, make when the illumination of generating laser is mapped to the edge B of catoptron 2, reflected light is just irradiated to P point, continues to adjust second mirror assembly, make when the illumination of generating laser is mapped to the edge C of catoptron 2, reflected light is just irradiated to Q point; In like manner adjust all mirror assemblies.Withdraw generating laser and described azimuth rotating platform, laser scanner is placed on to generating laser position O point, and just facing to a G.Like this, the object moving in field range is PQ is all in the visual field of laser scanner.
During laser scanner work, the process of ordering to M from A spot scan, is equivalent to the scope of PQ section to scan 12 times, is equivalent to the sweep frequency of laser scanner to become original 12 times, has greatly improved the track capturing ability to high-speed target.
In the present embodiment, the location point O of laser scanner and the vertical range of PQ are set to 1591mm, the long 688mm that arranges of line segment PQ, by theory, calculate, the width (unit is mm) of first surface catoptron to the ten dihedral reflectors is respectively: 200,158.75,131.85,114.77,104.69,100,100,104.69,114.77,131.85,158.75,200.
What in above-described embodiment, adopt is 12 mirror assemblies, but the quantity of mirror assembly is not limited to this, can, according to test needs, the quantity of mirror assembly be reasonably set.The quantity of mirror assembly of the present invention can be not only even number simultaneously, also can be odd number, when odd number mirror assembly is set, many group mirror assemblies are also symmetrical about the perpendicular of setting on base, the mirror assembly position symmetry of these plane both sides, quantity are identical, the adjacent edge of two adjacent catoptrons is closely close together, and it is vertical with described perpendicular to be positioned at that middle catoptron of organizing mirror assembly of many group mirror assemblies.
According to said system, owing to using many group mirror assemblies to coordinate laser scanner to form scanning system, the sweep frequency of described scanning system is worked as in the several times of single laser scanner scans frequency, greatly improve the track capturing ability to high-speed target, thereby provide more information for the accurate track that calculates object of which movement.Described computing mode can comprise: by the inner set handling element of laser scanner, the information obtaining being processed, to obtain testee movement locus; Also can utilize technological means that Mirror Info is converted to the digital signal that computer equipment can be processed, utilize the computer equipment that couples (for example: wired connection and wireless connections) with laser scanner to process to obtain the movement locus of testee.Meanwhile, of the present invention simple in structure, process and assemble is easy, and can carry out very soon Installation and Measurement in use.
It will be appreciated by those skilled in the art that the body movement locus measuring system relating to for foregoing invention, can also on the basis that does not depart from content of the present invention, make various improvement and combination.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (8)
1. a movement locus of object measuring system, is characterized in that, comprising:
Base;
Laser scanner assembly, is fixedly mounted on described base;
Many group mirror assemblies, the catoptron that is arranged to every two adjacent groups mirror assembly closely abuts against together, and arranges, is fixed on described base according to certain setting,
The structure of laser scanner assembly described in described many group mirror assembly formation semi-surroundings, each group mirror assembly can both be by the complete same section of movement locus of object laser scanner assembly that reflexes to, according to preset frequency, many groups mirror assembly is scanned, to obtain when testee moves, be incident upon and organize the Mirror Infos in mirror assemblies more.
2. movement locus of object measuring system according to claim 1, it is characterized in that, described laser scanner assembly comprises the pole of laser scanner, vertical direction and the fixed mount of horizontal direction, described pole and described fixed mount are fixed together, described laser scanner is fixed on described pole, and can move vertically along described pole, described fixed mount is fixed on described base.
3. movement locus of object measuring system as claimed in claim 2, it is characterized in that, described many group mirror assemblies are arranged on base, described many group mirror assemblies are arranged to the form of semi-surrounding laser scanner assembly, and many group mirror assemblies are symmetrical about a perpendicular of setting, and make mirror assembly position symmetry, the quantity of these plane both sides identical; Described laser scanner is towards described mirror assembly, and the vertical median surface of described laser scanner overlaps with the described perpendicular of many group mirror assemblies.
4. movement locus of object measuring system according to claim 2, it is characterized in that, described pole being arranged to can move horizontally along the direction of described fixed mount, to regulate the horizontal median surface of laser scanner camera lens to overlap with the horizontal median surface of catoptron in mirror assembly.
5. movement locus of object measuring system according to claim 1, is characterized in that, described mirror assembly comprises:
Supporting seat, is fixed on described base;
Horizontal revolving stage, is arranged on the top of described supporting seat, for the position angle of accommodation reflex mirror assembly;
Link, is fixed on the top of described horizontal revolving stage;
Web joint, is fixed on described link vertically;
Position, angle platform, is fixed on described web joint, for the angle of pitch of accommodation reflex mirror;
Fixed head, is fixed on the side contrary with described web joint of position, described angle platform;
Catoptron, is fixed on described fixed head, for reflecting the laser beam of described laser scanner transmitting.
6. movement locus of object measuring system according to claim 1, it is characterized in that, also be included in the movement locus simulation frame arranging within the scope of described testee movement locus, for simulating the movement locus roughly of described object, to regulate the position of described many group mirror assemblies, this movement locus simulation frame comprises multiple main body racks and multiple cross bar, described multiple main body rack can regulate height at vertical direction, described cross bar is arranged between two described main body racks, and multiple described cross bars are on same straight line.
7. according to the movement locus of object measuring system described in any one in claim 1 to 6, it is characterized in that,
Described many group mirror assemblies are arranged in the field range of described laser scanner.
8. movement locus of object measuring system according to claim 4, is characterized in that, the width design of the described catoptron of described many group mirror assemblies is for equal or unequal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025077.4A CN103743344B (en) | 2014-01-20 | 2014-01-20 | Movement locus of object measures system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025077.4A CN103743344B (en) | 2014-01-20 | 2014-01-20 | Movement locus of object measures system |
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| CN103743344A true CN103743344A (en) | 2014-04-23 |
| CN103743344B CN103743344B (en) | 2016-06-15 |
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| CN201410025077.4A Active CN103743344B (en) | 2014-01-20 | 2014-01-20 | Movement locus of object measures system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106152975A (en) * | 2016-07-04 | 2016-11-23 | 四川九洲电器集团有限责任公司 | A kind of static state angle measurement calibration device |
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| EP1204068A2 (en) * | 1995-03-17 | 2002-05-08 | Symbol Technologies, Inc. | Optical scanners having dual surface optical elements for dual working ranges |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106152975A (en) * | 2016-07-04 | 2016-11-23 | 四川九洲电器集团有限责任公司 | A kind of static state angle measurement calibration device |
| CN106152975B (en) * | 2016-07-04 | 2018-08-21 | 四川九洲电器集团有限责任公司 | A kind of static state angle measurement calibration device |
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| CN103743344B (en) | 2016-06-15 |
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