CN100536771C - Three-dimensional mobility detecting instrument - Google Patents
Three-dimensional mobility detecting instrument Download PDFInfo
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- CN100536771C CN100536771C CNB2007101202513A CN200710120251A CN100536771C CN 100536771 C CN100536771 C CN 100536771C CN B2007101202513 A CNB2007101202513 A CN B2007101202513A CN 200710120251 A CN200710120251 A CN 200710120251A CN 100536771 C CN100536771 C CN 100536771C
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- dimensional mobility
- detecting instrument
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Abstract
The present invention relates to a three-dimensional mobility detector comprising a light-beam transmitter for transmitting identifying light-beam; a screen for digisplaying a three-dimensional mobility value after that the identifying light-beam from the light-beam transmitter is received. Therefore, the present invention is capable of providing an accurate mobility value, which is not only capable of displaying an angular deflection and but also capable of detecting a linear deflection.
Description
Technical field
The present invention relates to a kind of three-dimensional mobility detecting instrument, relate in particular to a kind of three-dimensional mobility detecting instrument that utilizes light source measurement three-dimensional mobility value.
Background technology
In curative activity, in order to estimate the human body motor function, need the mobility of human body be detected, as to measurement of three-dimensional mobilities such as cervical region and the active anteflexion layback of waist, left and right sides lateroflexion, left rotation and right rotation etc.Need manually to measure but these are measured at present with protractor and ruler, very inconvenient, and mostly be eye estimate, the degree of accuracy error is bigger.
The patent No. is 92106632 patent " multi-direction movement-measuring instrument ", described by wearing the moving degree of overhead compass and the liquid level cue mark angular surveying human body three-dimensional on movable disk, but this instrument can only the measured angular displacement, can not the survey line displacement, liquid changes with the variation of temperature volume, because the influence that the capillary influence of liquid level and compass swing are trembled makes pointing accuracy be restricted.
Summary of the invention
The objective of the invention is in order to solve the not enough of certainty of measurement in the prior art, and propose a kind of three-dimensional mobility detecting instrument, thereby realize accurate measurement three-dimensional mobility.
To achieve these goals, the invention provides a kind of three-dimensional mobility detecting instrument, it comprises
Beam launcher is used to send the sign light beam;
Optical screen, be used to receive the sign light beam that described beam launcher sends after, calculate and demonstrate the three-dimensional mobility value.
Described optical screen comprises three orthogonal sensitization bands, is used for induction sign light beam, and has resistance take-off potential point on the described sensitization band.
Described sensitization band comprises: the photoconductive resistance film is used for receiving the sign light beam; Resistive film connects with described photoconductive resistance symphysis; And lead, connect with described photoconductive resistance symphysis;
After described photoconductive resistance film received the sign light beam, the photoconductive resistance film conduction at photosensitive sites place was connected resistive film and lead.
Described three-dimensional mobility detecting instrument also comprises: three-dimensional mobility value blood processor, be connected between described resistive film take-off potential point and the lead, be used for the resistance that measuring resistance film take-off potential point to described photoconductive resistance film receives the position of sign light beam, the value of described resistance is converted into the corresponding angle and the displacement signal of telecommunication.
Described optical screen also comprises: the numerical value display, be connected with described three-dimensional mobility value blood processor, and be used for the change in electric of described angle and displacement is transformed into numeral demonstration on screen.
Described sign light beam is the strip light beam.
Described sign light beam is laser, visible light, ultraviolet light or infrared light.
Described optical screen is hemispherical shelly optical screen, arc optical screen or plane optical screen.
Be coated with on described three orthogonal sensitization bands and be coated with transparent material.
When described optical screen was hemispherical shelly optical screen, in described three orthogonal sensitization bands, laterally the sensitization band was horizontally installed on the end face of hemispherical shelly optical screen; Vertically the sensitization band vertically is arranged on the end face of hemispherical shelly optical screen, and is the cross quadrature at the top with described horizontal sensitization band; And horizontal sensitization band, be arranged on the anterior face of hemispherical shelly optical screen, and be the cross quadrature with vertical sensitization band.
Therefore, by this three-dimensional mobility detecting instrument provided by the invention, can provide accurate three-dimensional mobility value, and can detect linear displacement.
Description of drawings
Fig. 1 is the electrical block diagram of three-dimensional mobility detecting instrument of the present invention;
Fig. 2 is the structural representation of the optical screen of three-dimensional mobility detecting instrument of the present invention;
Fig. 3 utilizes the hemispherical shelly optical screen of three-dimensional mobility detecting instrument of the present invention to carry out the sketch map that dimension detects.
Fig. 4 is the front view of hemispherical shelly optical screen of the present invention.
The specific embodiment
Be illustrated in figure 1 as the electrical block diagram of three-dimensional mobility detecting instrument of the present invention.This three-dimensional mobility detecting instrument comprises: beam launcher 1, be used to send the sign light beam, and described sign light beam can be laser, visible light, ultraviolet light or infrared light; Optical screen 2, be used to receive described sign light beam after, numeral demonstrates the three-dimensional mobility value.Further as shown in the figure, comprise sensitization band 20 on the optical screen, be used for induction sign light beam and carry out the demonstration of three-dimensional mobility value numeral on this sensitization band 20, to have resistive film take-off potential point 200.1 horizontal sensitization band can be set on the optical screen, and perhaps 1 vertical sensitization band perhaps can be arranged to the orthogonal 2 sensitization bands of cross, perhaps 3 sensitization bands.In order to protect optical screen better, scribble transparent protection material on the optical screen.
Simultaneously referring to Fig. 1, structural representation with optical screen shown in Figure 2, better obtain resistance value when identifying light beam irradiates to the sensitization band in order to allow, resistive film 202 preferably adopts the bar resistor film in this example, also can adopt the bar resistor silk, photoconductive resistance film 201 preferably adopts the photosensitive resistive film of bar shaped.But the shape of photoconductive resistance film 201 and resistive film 202 is not limited to bar shaped.These the photosensitive resistive film of bar shaped, bar resistor film and leads with certain width are along the horizontally set of optical screen.Described sensitization band 20 comprises: the photosensitive resistive film 201 of bar shaped is used for receiving beam; Bar resistor film 202 is connected with described photoconductive resistance film 201; And lead 203, be connected with described photoconductive resistance film 201; In the middle of the photoconductive resistance film is positioned at, is positioned at its both sides with its resistive film side by side and lead and also closely links to each other; Photoconductive resistance film 201 receives the position that identifies light beam and can realize conduction like this, and resistive film 202 is connected with lead 203.Lead 203 also can adopt strip sheet metal to be attached on the optical screen plate.Wherein identifying light beam is the activated a kind of light beam of electric conductivity that is used for photoconductive resistance is received sign light-beam position place, beam launcher adopts laser, visible light, ultraviolet light or infrared light as transmitting illuminant, and the sign light beam that sends is laser, visible light, ultraviolet light or infrared light.In order to improve precision, the sign light beam that beam launcher sends is the strip light beam, and the fillet type sign light beam perpendicular to stripe shape photoconductive resistance film can be provided when the vertical directive non-contact point potentiometer of sign light beam like this.This fillet type sign light beam irradiates is the fillet type hot spot with certain length and width on the photoconductive resistance film time, the length of fillet type hot spot is greater than the width of photoconductive resistance film, width is then narrow more good more, so that the photoconductive resistance film of certain width is activated and conducting resistance and lead.Therefore, beam launcher is when manufacturing, and the length of the strip sign light beam that can be set to send is greater than the width of photoconductive resistance film, and width is then narrow more good more.
As shown in Figure 1, three-dimensional mobility detecting instrument of the present invention also comprises the three-dimensional mobility value blood processor 204 that is connected with the sensitization band, three-dimensional mobility value blood processor 204 links to each other with lead 203 with the resistive film take-off potential point 200 of described sensitization band, be used for the resistance of measuring resistance film take-off potential point, the value of described resistance is converted into corresponding angle or displacement degree to the position of described photoconductive resistance film receiving beam.Simultaneously referring to Fig. 2, the initial marking light beam 101 that beam launcher sends is radiated at resistive film take-off potential point 200, as carry out the cervical region left rotation and right rotation and turn over certain angle, after stopping, sign light beam 102 points of irradiation that beam launcher sends are the position of described photoconductive resistance film receiving beam, resistance value between the position of photosensitive belt receipts light beam 102 positions and photosensitive belt receipts initial marking light beam 101 just can be measured by three-dimensional mobility value blood processor 204 and obtain at this moment, and according to the corresponding relation of the resistance value of predetermined definition and angle or displacement as 5 kilohms of correspondences be 10 degree angles, converting obtains the angle that the sign light beam turns over.
Also comprise as three-dimensional mobility value blood processor 204 as described in 1 figure: USB interface 206 is used to export the signal of telecommunication.Can import computer like this or get data by printer.Optical screen 2 also comprises: numerical value display 205, be connected with described three-dimensional mobility value blood processor 204, and be used for the described angle signal of telecommunication or displacement change in electric are transformed into the digital signal described angle of demonstration or displacement on screen.
The optical screen of three-dimensional mobility detecting instrument of the present invention also can utilize other potentiometers that can obtain voltage to substitute the circuit that above-mentioned photoconductive resistance film, resistive film and lead constitute, and can reach the effect of the angle signal of telecommunication or the displacement signal of telecommunication of acquisition equally.
The structural representation of optical screen as shown in Figure 2, optical screen is the cylinder optical screen in this example, preferably, 20, one vertical settings of two sensitization bands can be set on optical screen, and one is horizontally disposed with, both perpendicular quadrature across, both joinings are resistive film take-off potential point 200.But, the setting of sensitization band is not restricted to two, three-dimensional mobility detecting instrument comprises that also one is used for carrying out the 3rd sensitization band that three-dimensional mobility value numeral shows by receiving the sign light beam, the 3rd sensitization band and described sensitization band same structure, and the setting of initial point position is not limited to this, can be arranged on the correct position of sensitization band.But alternatively, optical screen also can be selected hemispherical shell shape optical screen or plane optical screen for use.The sensitization band of plane optical screen be provided with shown in Figure 2 can be identical, do not repeat them here.And the sensitization band of hemispherical shelly optical screen is provided with and will describes in Fig. 3.
As shown in Figure 3, be the upward view of hemispherical shelly optical screen of the present invention, have at the end face of hemispherical shelly optical screen that transverse horizontal adheres to the vertically vertical intersection sensitization band that adheres to, i.e. laterally sensitization band 301 and vertically sensitization band 302.Vertically sensitization band 302 is the cross quadrature with described horizontal sensitization band 301.While is referring to the front view of Fig. 4 hemispherical shelly of the present invention optical screen in addition, the optical screen dead ahead of facing in measurand promptly is provided with a horizontal sensitization band 303 again in the hemispherical shelly optical screen horizontal direction of the anterior face of hemispherical shelly optical screen, makes it to be the cross quadrature with vertical sensitization band 302.These sensitization bands are by being attached to the photosensitive resistive film 201 of bar shaped on the optical screen 2 and forming with the both sides of the photosensitive resistive film 201 of bar shaped and to interconnective bar resistor film 202 and lead 203.Wherein vertically the length in sensitization band 302 the place aheads can extend to the edge, and laterally the appropriate length of sensitization band 301 and horizontal sensitization band 303 gets final product for satisfying moving degree value.
Utilizing the hemispherical shelly optical screen of three-dimensional mobility detecting instrument of the present invention shown in Figure 3 is that example describes to detect the cervical vertebra three-dimensional mobility.The luminous source of the sign light beam of beam launcher 1 adopts the wire red laser light source, also can select visible light, infrared ray or ultraviolet.When utilizing this three-dimensional mobility detecting instrument to detect people's cervical vertebrate active degree, beam launcher is fixed on the tested person crown, the detected object (number of people) that has beam launcher 1 is positioned at the circle centre position of the optical screen 2 of this hemispherical shelly, hemispherical shelly optical screen covers on the sky, the crown of detected object, the initial marking light beam 101 that allow the light source of wearing overhead beam launcher 1 send this moment can be done two displacements, promptly make progress direct projection on the position of the resistive film take-off potential point 200 of the sensitization band 20 on the optical screen 2, forward the horizontal sheaf second horizontal sensitization band 208.
When detecting head along angle that vertical axis rotates, the sign light beam projects forward on the sensitization band 208, along with the rotation of head along vertical axis, the position of light beam is subjected to displacement, to turning to maximum angle can not change again the time, slightly stop, at this moment, red laser sign light beam 102 impinges upon on the photoconductive resistance film 201 of sensitization band, the resistive film and the lead that exist together are connected, measure zero point to the resistance of the position of laser irradiation by the three-dimensional mobility processor in the optical screen and draw numerical value, be converted into the corresponding angle signal of telecommunication, handling 205 by the numerical value display can show data on the LCDs of optical screen, also can get data by USB interface 206 input computers or by printer, so just measures the maximum angle of measurand cervical region along the left-right rotation of vertical axis.
When the detection cervical region is spent along the anteflexion layback of frontal axis is moving, make tested object sit up straight at the circle centre position that is positioned at hemispherical shell shape optical screen 2, the vertical sensitization tape load point 200 of arc is positioned at the top on the detected object crown on the optical screen, allow the cervical region middle-end be positioned at the circle centre position of optical screen radian this moment, the light source shot-light of the beam launcher 1 on the head sends light beam 101 and is radiated at the resistive film take-off potential and puts 200 places, make the testee shoulder following motionless, discount reaches forward to post-buckling, in the time of extremely to greatest extent, as the process of above-mentioned measurement left-right rotation, note institute's value, and become the numeral demonstration.
Rotate when being left and right sides lateroflexion maximum angle along sagittal axis when detecting cervical region, the position of tested object is with last identical, light source shot-light on the head sends light beam and impinges upon on the crown laterally the resistive film take-off potential of sensitization band and put 200 places, make tested object shoulder following motionless, discount left or the right side lateroflexion of doing the best, to to greatest extent the time, as the process of above-mentioned measurement left-right rotation, note numerical value and with its demonstration.
When detecting head along the displacement of frontal axis, allow detected object also be in and above-mentioned same position, the resistive film take-off potential of the horizontal sensitization band 208 of beam level directive optical screen on the crown is put 200 places, make shoulder motionless, make the translation of the head left and right sides, the shift length of light beam is promptly along the measured value of frontal axis translation.Make patient's shoulder following motionless, head is flexible up and down, and light beam impinges upon on the vertical sensitization band, and the distance that vertically moves along optical screen is along the measured value of vertical axis translation.When detecting head, make the person under inspection sit up straight, make the shot-light incipient beam of light of head be positioned at the resistive film take-off potential point of the vertical sensitization band in the crown, allow translation before and after the testee head, shift value before and after the shift length of light beam is along the sagittal axis displacement.Realized the measurement of linear displacement like this.
Above-mentioned various moving degree is measured and all is to use red laser sign light beam 102 to impinge upon on the photoconductive resistance film 201 of sensitization band, the resistive film and the lead that exist together are connected, measure current potential starting points to the resistance of the position of laser irradiation by the three-dimensional mobility value blood processor in the optical screen 204 and draw numerical value, be converted into the corresponding displacement signal of telecommunication or the angle signal of telecommunication, can on the LCDs of optical screen, show data by numerical value display 205, also can get data by USB interface 206 input computers or printer.
Same quadrat method also can detect the three-dimensional mobility value of waist.
The three-dimensional mobility detecting instrument of foregoing description has utilized an optical screen, a light source shot-light, and shot-light is fixedly installed on the head, and three sensitization bands are set then, and this sensitization band has structure shown in Figure 1, does not repeat them here.Certainly, these three sensitization bands can arbitrarily be adjusted, and such as vertical sensitization band is divided into two sections settings, have so just formed 4 sensitization bands, but the effect that plays and effect still are to be identical with 3 sensitization band.
Certainly, for having 1 optical screen, and three-dimensional mobility detecting instrument with sensitization band, alternatively, the sign beam launcher might not be positioned at the center of circle, the initial marking light beam acquiring resistive film take-off potential point 200 that sends, can be in the optional position of optical screen, note the resistance value of sign beam launcher emission initial marking light beam on the sensitization band this moment earlier, and then note through anteflexion layback, left and right sides lateroflexion, the resistance value of sign light beam on the sensitization band carried out computing by three-dimensional mobility value blood processor and can be obtained three-dimensional mobility value or translation distance when left rotation and right rotation or translation.Certainly, above-mentioned method to set up is not limited to the present invention.In a word, can adopt as long as can realize the detection set-up mode of three dimensions.
When on cylinder or plane optical screen are set, having two sensitization bands, there is the light emitted lamp of a comprehensive rotation just passable on the beam launcher.When hemispherical shelly optical screen is provided with 3 sensitization bands, beam launcher can have two light emitted lamps, the sign beam flying that the light emitted lamp of beam launcher sends when measuring left rotation and right rotation with realization is on the horizontal sensitization band of optical screen, when measuring anteflexion layback, the sign beam flying that the light emitted lamp of beam launcher sends is on vertical sensitization band of optical screen.On the horizontal sensitization band of sign beam flying that the light emitted lamp of measuring left and right sides lateroflexion time bundle discharger sends at optical screen.
Three-dimensional mobility detecting instrument of the present invention also can use 1 cylinder or plane optical screen or 2 cylinders or plane optical screen to be used in combination when practical application.
Therefore, three-dimensional mobility detecting instrument provided by the invention has the following advantages: but the not only three dimensional angular displacement of inspected object also can be measured three-dimensional linear displacement; Easy to detect, easy to implement; The accuracy of detection height, error is little; Adopt the electronic sensor technology, personal error avoided in record automatically.
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 preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1, a kind of three-dimensional mobility detecting instrument is characterized in that comprising:
Beam launcher is used to send the sign light beam;
Optical screen, be used to receive the sign light beam that described beam launcher sends after, numeral demonstrates the three-dimensional mobility value,
Described optical screen comprises three orthogonal sensitization bands, is used for induction and indicates light beam, and have resistive film take-off potential point on the described sensitization band.
2, three-dimensional mobility detecting instrument according to claim 1 is characterized in that described three orthogonal sensitization bands comprise:
The photoconductive resistance film is used for receiving the sign light beam;
Resistive film connects with described photoconductive resistance symphysis; And
Lead connects with described photoconductive resistance symphysis;
Wherein said photoconductive resistance film receives the resistive film and the lead of the position of sign light beam and connects.
3, three-dimensional mobility detecting instrument according to claim 2, it is characterized in that also comprising: three-dimensional mobility value blood processor, be connected with lead with described resistive film take-off potential point, be used for the resistance that measuring resistance film take-off potential point to described photoconductive resistance film receives the position of sign light beam, the value of described resistance is converted into the corresponding angle signal of telecommunication or the displacement signal of telecommunication.
4, three-dimensional mobility detecting instrument according to claim 3, it is characterized in that described optical screen also comprises: the numerical value display, be connected with described three-dimensional mobility blood processor, be used for the described angle signal of telecommunication or displacement change in electric are transformed into the numeral described angle of demonstration or displacement on screen.
5,, it is characterized in that described sign light beam is the strip light beam according to any described three-dimensional mobility detecting instrument of claim 1-4.
6,, it is characterized in that described sign light beam is laser, visible light, ultraviolet light or infrared light according to any described three-dimensional mobility detecting instrument of claim 1-4.
7,, it is characterized in that described optical screen is hemispherical shelly optical screen, cylinder optical screen or plane optical screen according to any described three-dimensional mobility detecting instrument of claim 1-4.
8,, it is characterized in that also comprising being coated with on described three orthogonal sensitization bands being coated with transparent material according to any described three-dimensional mobility detecting instrument of claim 1-4.
9, three-dimensional mobility detecting instrument according to claim 7 is characterized in that when described optical screen is hemispherical shelly optical screen, and in described three orthogonal sensitization bands, laterally the sensitization band is horizontally installed on the end face of hemispherical shelly optical screen; Vertical sensitization band vertically is arranged on the end face of hemispherical shelly optical screen and to the front and extends, and is the cross quadrature at the top with described horizontal sensitization band; And horizontal sensitization band, be arranged on the anterior face of hemispherical shelly optical screen, and become the cross quadrature with described vertical sensitization band.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101202513A CN100536771C (en) | 2007-08-14 | 2007-08-14 | Three-dimensional mobility detecting instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007101202513A CN100536771C (en) | 2007-08-14 | 2007-08-14 | Three-dimensional mobility detecting instrument |
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| CN101152087A CN101152087A (en) | 2008-04-02 |
| CN100536771C true CN100536771C (en) | 2009-09-09 |
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| CNB2007101202513A Active CN100536771C (en) | 2007-08-14 | 2007-08-14 | Three-dimensional mobility detecting instrument |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955562A (en) * | 1975-05-19 | 1976-05-11 | Farrar Jr Edward L | Apparatus for measuring range of motion |
| GB2254691A (en) * | 1991-04-11 | 1992-10-14 | Atomic Energy Authority Uk | Displacement monitoring system using two light beams |
| CN1081607A (en) * | 1992-07-27 | 1994-02-09 | 张吉林 | Multi-direction movement-measuring instrument |
| US5300921A (en) * | 1992-11-13 | 1994-04-05 | Rhys Resources Ins. | Athletic training system |
| CN201108430Y (en) * | 2007-08-14 | 2008-09-03 | 北京三维正基科技有限公司 | Three-dimensional degree of movement degree detection device |
-
2007
- 2007-08-14 CN CNB2007101202513A patent/CN100536771C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955562A (en) * | 1975-05-19 | 1976-05-11 | Farrar Jr Edward L | Apparatus for measuring range of motion |
| GB2254691A (en) * | 1991-04-11 | 1992-10-14 | Atomic Energy Authority Uk | Displacement monitoring system using two light beams |
| CN1081607A (en) * | 1992-07-27 | 1994-02-09 | 张吉林 | Multi-direction movement-measuring instrument |
| US5300921A (en) * | 1992-11-13 | 1994-04-05 | Rhys Resources Ins. | Athletic training system |
| CN201108430Y (en) * | 2007-08-14 | 2008-09-03 | 北京三维正基科技有限公司 | Three-dimensional degree of movement degree detection device |
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| CN101152087A (en) | 2008-04-02 |
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