CN103055514B - Medical human eye pupil and eyelid motion simulation structure and control method thereof - Google Patents
Medical human eye pupil and eyelid motion simulation structure and control method thereof Download PDFInfo
- Publication number
- CN103055514B CN103055514B CN201310015316.3A CN201310015316A CN103055514B CN 103055514 B CN103055514 B CN 103055514B CN 201310015316 A CN201310015316 A CN 201310015316A CN 103055514 B CN103055514 B CN 103055514B
- Authority
- CN
- China
- Prior art keywords
- pupil
- eyelid
- simulation
- motor
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
The invention relates to the technical field of human eye simulation, in particular to a medical human eye pupil and eyelid motion simulation structure and a control method thereof. The control method includes eyelid motion control and pupil motion control. The eyelid motion control includes: controlling an electromagnet shaft core to move telescopically through a circuit, and driving an eyelid simulation component to open and close by a connecting rod so that opening and closing of eyelids are realized. The pupil motion control includes: driving a motor shaft to rotate by a motor, then driving a shift shaft to rotate to drive a shift rod and a pupil control shaft to swing, and realizing pupil change by changing a bore diameter of a circular hole enclosed by inner arcs of aperture blades. The medical human eye pupil and eyelid motion simulation structure can successfully simulate motion ways of human eyes, complicated mechanical connection and control operation of existing human eye simulation are simplified, manufactured products are small in size and wide in application, and an anthropomorphic dummy can be more real and visual.
Description
[technical field]
The present invention relates to human eye simulation technical field, specifically a kind of human simulation eye pupil hole for medical teaching and eyelid motion simulation structure and the control method for this structure.
[background technology]
Medical teaching simulation eye, can allow the pathological characters that learning of medicine person more intuitive understanding reflects from eyes, artificial eye is most important part on the head of analogue simulation people, and a lot of pathology can judge by observing eyes (mainly pupil size).
At present, there is the mechanism of a lot of simulating human eyes both at home and abroad, be generally widely used in Medical simulator, toy, robot.Get off from existing situation, some is that veneer skin completes on head skeleton, and eyelid can not blink, and pupil cannot Scalable; Some realizes single movement function, namely only opens and closes eyes and move or only have pupil to change; Some eyelid is bonded on eyeball, and and then eyeball rotates to realize the motion that opens and closes eyes together, emulation distortion; Some combines open and close eyes motion and pupil change, but structure is more complicated, and volume is comparatively large, can not be applicable to the Medical simulator of all age group.
Find by literature search, Chinese Patent Application No.: 200920034455.X.This disclosure of the invention a kind of high emulation performance robot blink transmission mechanism, the driving mechanism comprising the action of driven machine people eyelid and the transmission mechanism be arranged between described driving mechanism and robot eyelid.By eyeball and eyelid separately, eyelid can open and close eyes motion on eyeball, and fidelity is higher in this invention.But structure is more complicated, connecting rod number is many, and volume is comparatively large, because connecting rod is longer, and transmission distance and cause less stable.
Find by literature search, Chinese Patent Application No.: 200910303816.0 these inventions provide a kind of pupil imitation mechanism, it comprises substrate, multiple blade and driving mechanism, described substrate comprises multiple pin-jointed structure by circular arrangement, described multiple blade overlap that intermeshes in order around a center of circle surrounds dome, each blade comprises free end and link, described link and described pin-jointed structure are articulated, and the pivot center of link is parallel to described substrate, described free end surrounds a circular hole, described driving mechanism can drive described multiple blade opposing substrate to rotate.The circular hole size that the pupil imitation mechanism that this invention provides surrounds by changing free end, thus the effect reaching pupil size change, carry out the expression of multiple emotion.This invention due to the free end of blade be by magnet adsorption, so blades arrangement is comparatively mixed and disorderly, loose, simulated effect is poor.
Find by literature search, Chinese Patent Application No.: 201210163320.X.A kind of artificial eye for medical simulator of this disclosure of the invention, wherein: drive motors and the supporting plate of blink transmission mechanism and pupil changeable mechanism are fixed on base.Nictation, drive motors was through crank rocker transmission mechanism, was transferred to eyelid and realized nictation.The pupil changeable mechanism of pupil drive motors drive installation in eyeball inside realizes pupil change, and pupil size position judgment mechanism is connected on pupil changeable mechanism, and pupil changeable mechanism inside is also connected to the photosensitive mechanism of pupil.Eyeball is connected with base by supporting plate.At one on the whole, compact conformation, transmission is reliable for effect for this invention set function nictation and pupil change function.The shortcoming of this invention be only by dynamic rotating disk projection with determine the mechanical position limitation of price fixing pin of rotating disk to limit the greatest limit of pupil, after the time grows, price fixing pin can wear and tear, precise decreasing.Processing and fabricating pupil component voluntarily, strengthen cost, precision is low, and aesthetic property is poor.Photosensitive and photosensitive circuit plate rotates along with the rotation of dynamic rotating disk, after long time running, and the easy twisting and breaking of circuit.Eyelid is opened and is closed the driving of motion employing motor, and volume is large, and the structure that gear adds crank rocker is more complicated, and processing cost is higher, and assembling needs the time longer, is not suitable for batch production.This invention cannot be placed in the simulation human body of all age group.
At present, optical instrument aperture is an annular, by controlling the openings of sizes of circular hole, can control the brightness of light.When needing a large amount of light, just the circular hole of aperture is opened greatly; When only needing a small amount of light, just circular hole being reduced, allowing a small amount of light enter.This aperture is as a ripe product, and low price, constructs attractive in appearance.
For above all, we need to research and develop a kind of Medical simulator emulation pupil and mechanism of blinking, can the motion function of simulating human eyes, be widely used on all age group simulation person, make simulation people more true, learning of medicine person can differentiate pathology by the eyes of simulating people intuitively.
[summary of the invention]
The object of the invention is to the defect overcoming existing eyeball simulation architecture, a kind of new control method about eyeball simulating sports and structure are provided, improve the emulation of eye motion function.
For achieving the above object, design a kind of medical human eye pupil and eyelid motion simulation structure, comprise simulation eyeball, eyelid, pupil component, Mechanical course assembly and control circuit, described Mechanical course assembly is by support, nut, driving lever, shift lever axis, pivot pin, connecting rod, electromagnet, motor and motor shaft are formed, described control circuit is by photoelectric coupled circuit plate, photosensitive circuit plate and external control circuit plate are formed, it is characterized in that described motor and electromagnet are placed in the below of electromagnet electric machine support, the upper surface of described electromagnet electric machine support is provided with control support, the upper surface of described control support is fixed with imitation pupil assembly, described imitation pupil assembly tightly fits in simulated eye ball component medial surface by imitation pupil modular support block lateral surface, the outer surface of described simulated eye ball component is by pivot pin fixed-analog eyelid assembly, described simulation eyelid assembly connects one end of connecting rod by pivot pin, the other end of described connecting rod connects the axle core of electromagnet, described motor upper end is provided with a motor shaft, described motor shaft is through electromagnet electric machine support and in the bottom controlling support, connect shift lever axis successively from the bottom to top, driving lever, and fix with nut, the upper end of described shift lever axis is fixedly connected with the lower end of driving lever, the upper end connecting analog pupil component of described driving lever, the lower surface of described control support is provided with photosensitive circuit plate, photoelectric coupled circuit plate, whole mechanism outside is provided with external control circuit plate, described external control circuit plate is provided with light-sensitive element, optic coupling element, the node of electromagnet, light-sensitive element on photosensitive circuit plate, optic coupling element on photoelectric coupled circuit plate and the lead-out wire of electromagnet connect corresponding node respectively, described external control circuit plate is also provided with motor encoder, power interface and programmable device, described motor encoder connects motor by wire, described power interface is connected with external power source by adapter, namely external control circuit plate is energized, after energising, each element establishes procedure operation according in programmable device.
Described simulation eyelid assembly is by simulating eyelid and fixing ear is formed, described simulation eyelid is spherical structure, the bilateral symmetry position of described simulation eyelid is provided with two fixing ears, fix in described both sides on ear, with the link position of simulation eyelid and be provided with first, second through hole, first, second through hole described is connected with the pivot pin of simulated eye ball component respectively, fix on ear in described side and be also provided with third through-hole, described third through-hole is connected with connecting rod by connecting rod pivot pin.
Described simulated eye ball component is the integrative-structure be made up of simulation eyeball, eyeball pivot pin and eyeball bracing frame, described simulation eyeball adopts transparent ball structure, described eyeball bracing frame is three-dimensional annulus configuration, described eyeball bracing frame two ends symmetric position is also provided with eyeball pivot pin, and described eyeball pivot pin is fixedly connected with simulation eyelid assembly.
Described imitation pupil assembly is by imitation pupil, pupil controls axle and pupil component back-up block is formed, described pupil component back-up block is the integrative-structure be made up of in conjunction with C font low groove three-dimensional annular upper groove, the center of described pupil component back-up block lower notches is provided with a manhole, described pupil component back-up block low groove left and right sides symmetric position is also provided with fixing ear, described pupil component back-up block is connected with control rack upper surface by fixing ear and screw, described pupil component back-up block upper groove lateral wall and simulated eye ball component lower end groove madial wall close-fitting, imitation pupil is provided with in described pupil component back-up block low groove, described imitation pupil adopts optical instrument aperture, described optical instrument aperture is by shell, fixing outer toroid, annulus in movable, some aperture blades, some fixed axis and optical instrument control axle composition, the inner surface of described shell is provided with fixing outer toroid, described fixing outer toroid is provided with equally distributed some circular holes on concentric a certain circle, the inwall of described shell is provided with the groove concentric with fixing outer toroid, shell to be embedded with annulus in activity by described groove and is connected, in described activity, annulus is provided with the elongated hole that from center of circle homogeneous radiation go out equal with circular hole quantity in fixing outer toroid, each elongated hole in described activity on annulus connects one end of an aperture blades by fixed axis correspondence, the other end of described aperture blades is connected and fixed a circular hole of outer toroid by fixed axis correspondence, the circular hole that all aperture blades Inner arc surround is pupil, in described activity, the side of annulus is also provided with optical instrument and controls axle, namely described optical instrument controls axle is that pupil controls axle, described pupil controls axle and coordinates with the long slot bore of driving lever upper end.
Manhole concentric in the circular hole that described some aperture blades Inner arc surround and described pupil component back-up block lower notches.
Described control support is by top board, support column and bayonet socket are formed, two ends, the lower surface left and right symmetric position of described control rack plate is provided with height two pairs of cylindrical body supports posts with fixing hole, described control support is fixedly connected on the upper surface of electromagnet electric machine support by high cylindrical body supports post, described control support is fixedly connected with photosensitive circuit plate by low cylindrical body supports post, the lower surface of described control rack plate is also provided with some circuit board bayonet sockets, photoelectric coupled circuit plate is fixed by circuit board bayonet socket by described control rack plate lower surface, the central authorities of described control rack plate are also provided with a light hole, described light hole is the cylindrical structure with through hole, described light hole is just just to the light-sensitive element on circuit board.
Described shift lever axis is the cylindrical structure with through hole, and described shift lever axis is inserted in motor shaft just, and holds out against from radial direction with marking closely screw, realizes shift lever axis and motor shaft synchronous axial system.
Described driving lever is secondary hierarchic structure, the top of described driving lever is provided with a circular long slot bore, bottom is provided with a manhole, described driving lever is inserted in motor shaft by bottom manhole, and be fixedly connected with the upper end of shift lever axis with nut, described driving lever controls axle by the circular long slot bore in top with pupil and coordinates.
The control method of above-mentioned human simulation eye pupil hole and eyelid motion simulation structure, comprises eyelid movement control method and pupil movement control method,
Described control method comprises eyelid movement control method and pupil movement control method, described eyelid movement control method be external control circuit plate in the energized state, the axle core of programme-control electromagnet is established to do stretching motion in programmable device, the axle core of described electromagnet drives simulation eyelid assembly to do by connecting rod and turns down motion up and down, thus realize opening of eyelid and close, specifically, when electromagnet shaft core rises from, axle core drives simulation eyelid assembly to do by connecting rod and upwards turns down motion, be now eyes-open state; When electromagnet shaft core is retracted, axle core drives simulation eyelid assembly to do by connecting rod and turns down motion downwards, be now closed-eye state;
When simulating the physiological characteristic that human body causes pupil to change due to light, described pupil movement control method is under outside control circuit board "on" position, during the signal of the program of establishing in programmable device not shielded from light photosensitive elements, now light-sensitive element is through the irradiation of visible ray, produce photosignal, described photosignal conducts to external control circuit, thus conducting motor, when the motor is energized, drive motor axle rotates, then the shift lever axis on drive motor axle rotates, drive driving lever and pupil to control axle to swing, the circular hole aperture that the swing change aperture blades Inner arc controlling axle by pupil surrounds, thus realize the change of pupil size,
When simulating the physiological characteristic of the pupil change that human body causes due to frightened or other non-light factor, described pupil movement control method replaces with under outside control circuit board "on" position, during the program mask light-sensitive element signal established in programmable device, now programmable device directly sends signal to external control circuit, thus conducting motor, when the motor is energized, drive motor axle rotates, then the shift lever axis on drive motor axle rotates, drive driving lever and pupil to control axle to swing, the circular hole aperture that the swing change aperture blades Inner arc controlling axle by pupil surrounds, thus realize the change of pupil size.
The circular hole aperture that described aperture blades Inner arc surrounds has maximum and minimum of a value, described maximum and minimum of a value are controlled by optic coupling element, described optic coupling element is the electronic component of a flute profile, comprise light emitting diode, photo-detector and signal amplify three partial devices, when dead man turns to optocoupler inside, the signal of telecommunication that control circuit board inputs drives light emitting diode, light emitting diode sends the light of certain wavelength, received by photo-detector and produce photoelectric current, export after amplifying further and feed back to control circuit, after external control circuit obtains signal, programmable device internal program actuating motor stops operating, when driving lever turns to both sides optocoupler, the circular hole aperture that aperture blades Inner arc surrounds is maximum or minimum of a value, namely pupil becomes minimum and maximum, in pupil change procedure, certain of pupil extreme position can be labeled as the dead-center position of stepper motor, after dead-center position is determined, by program controlled motor encoder, motor can be made to rest on any position of program setting, thus pupil size can accurately control.
The present invention is compared with existing human eye emulation technology, improvement all made by human eye simulation architecture and control method, can the motion mode of successful simulating human eyes, namely the eyelid of two eyes can blink separately, pupil can Scalable when being subject to environmental stimuli, specifically, adopts optical instrument aperture as pupil component, stepper motor, as driving force, makes pupil size accurately to control; Have employed electromagnetic technique, the logical of electric current on electromagnet shaft core is utilized to close, realize the stretching motion of electromagnet shaft core, thus drive simulation eyelid assembly to overturn by linkage, thus realize motion of closing one's eyes of opening eyes, the numerous and diverse mechanical connection emulated by existing human eye simplifies greatly, and control operation also becomes convenient; This patent structure is relatively simple, therefore the small product size produced is little, can be placed in the simulation human body of Different age group, achieve the standardization of product greatly, can be widely used on each analoglike person, make simulation people more true, learning of medicine person more can get information about the motion change of human eye.
[accompanying drawing explanation]
Fig. 1 is decomposition texture front view of the present invention;
Fig. 2 is decomposition texture of the present invention;
Fig. 3 is the installation diagram of Fig. 1 and Fig. 2 of the present invention;
1-simulates eyelid assembly 2-simulated eye ball component 3-pupil component back-up block 4-imitation pupil assembly 5-and controls support 6-nut 7-shift lever axis 8-electromagnet electric machine support 9-motor 10-driving lever 11-optocoupler 12-photosensitive circuit plate 13-photoelectric coupled circuit plate 14-light-sensitive element 15-motor shaft 16-pivot pin 17-connecting rod 18-electromagnet.
[detailed description of the invention]
For making object of the present invention, principle and structure more cheer and bright, being now further elaborated in conjunction with the drawings and the specific embodiments, believing and can realize for a person skilled in the art.
Inventive point of the present invention is by structural design and circuit design, realizes allowing eye model pupil Scalable, eyelid open and to close simulating sports, and the realization of technique scheme illustrates with the following example:
Embodiment
In the human eye simulation architecture of this patent, there are three large main emulation modules, as depicted in figs. 1 and 2, comprise simulation eyeball 2, eyelid 1, pupil component 4;
Described simulation eyelid assembly 1 is made up of simulation eyelid and fixing ear, described simulation eyelid is spherical structure, the bilateral symmetry position of simulation eyelid is provided with two fixing ears, fix in described both sides on ear, with the link position of simulation eyelid and be provided with first, second through hole, first, second through hole described is connected with the pivot pin of simulated eye ball component 2 respectively, fix on ear in described side and be also provided with third through-hole, described third through-hole is connected with connecting rod 17 by connecting rod pivot pin.
The integrative-structure that described simulated eye ball component 2 is made up of simulation eyeball, eyeball pivot pin and eyeball bracing frame, this three part is integrated processing and fabricating and completes, described simulation eyeball adopts transparent ball structure, light can be delivered to light-sensitive element 14 by eyeball, observer can observe the situation of change of pupil by eyeball, described eyeball bracing frame is three-dimensional annulus configuration, and its two ends symmetric position is provided with eyeball pivot pin, and described eyeball pivot pin is fixedly connected with simulation eyelid assembly.
Described imitation pupil assembly 4 is by imitation pupil, pupil controls axle and pupil component back-up block 3 is formed, described pupil component back-up block 3 is the integrative-structures be made up of in conjunction with C font low groove three-dimensional annular upper groove, the center of described pupil component back-up block 3 lower notches is provided with a manhole, described pupil component back-up block low groove left and right sides symmetric position is also provided with fixing ear, imitation pupil is provided with in described pupil component back-up block 3 low groove, described imitation pupil adopts optical instrument aperture, described optical instrument aperture is by shell, fixing outer toroid, annulus in movable, some aperture blades, some fixed axis and optical instrument control axle composition, the inner surface of described shell is provided with fixing outer toroid, described fixing outer toroid is provided with equally distributed some circular holes on concentric a certain circle, the inwall of described shell is provided with the groove concentric with fixing outer toroid, shell to be embedded with annulus in activity by described groove and is connected, in described activity, annulus is provided with the elongated hole that from center of circle homogeneous radiation go out equal with circular hole quantity in fixing outer toroid, each elongated hole in described activity on annulus connects one end of an aperture blades by fixed axis correspondence, the other end of described aperture blades is connected and fixed a circular hole of outer toroid by fixed axis correspondence, the circular hole that all aperture blades Inner arc surround is pupil, in described activity, the side of annulus is also provided with optical instrument and controls axle, namely described optical instrument controls axle is that pupil controls axle, described pupil controls axle and coordinates with the long slot bore of driving lever upper end.
Above-mentioned three simulated assembly cooperative mechanical Control Components and the control circuit that is made up of photoelectric coupled circuit plate 13, photosensitive circuit plate 12 and external control circuit plate are formed emulation mechanism, described Mechanical course assembly uses electromagnet electric machine support 8, nut 6, driving lever 10, shift lever axis 7, pivot pin 16, connecting rod 17, electromagnet 18, motor 9 and motor shaft 15, and concrete installation steps are:
First, motor and electromagnet are placed in the below of electromagnet electric machine support 8, a motor shaft 15 is provided with in motor 9 upper end, described motor shaft 15 connects shift lever axis 7 from the bottom to top successively through electromagnet electric machine support 8, driving lever 10, and fix with nut 6, described shift lever axis 7 is for having the cylindrical structure of through hole, described shift lever axis 7 is inserted in motor shaft just, and hold out against from radial direction with marking closely screw, realize shift lever axis and motor shaft synchronous axial system, described driving lever is secondary hierarchic structure, the top of described driving lever is provided with a circular long slot bore, bottom is provided with a manhole, described driving lever is inserted in motor shaft by bottom manhole, and be fixedly connected with the upper end of shift lever axis with nut, described driving lever 10 controls axle by the circular long slot bore in top with pupil and coordinates.
Secondly, described imitation pupil assembly 4 is arranged on the upper surface controlling support 5, described pupil component back-up block 3 is connected with control support 5 upper surface by fixing ear and screw, described control support 5 is by top board, support column and bayonet socket are formed, two ends, the lower surface left and right symmetric position of described control support 5 top board is provided with height two pairs of cylindrical body supports posts with fixing hole, described control support 5 is fixedly connected on the upper surface of electromagnet electric machine support 8 by high cylindrical body supports post, described control support 5 is fixedly connected with photosensitive circuit plate 12 by low cylindrical body supports post, described control support 5 lower surface is also provided with some circuit board bayonet sockets, photoelectric coupled circuit plate 13 is fixed by circuit board bayonet socket by described control support 5 lower surface, the central authorities of described control support lower surface are provided with a light hole, described light hole is the cylindrical structure with through hole, described light hole is just just to the light-sensitive element on control circuit board, whole motion is as the internal structure of simulation people, beyond motion, simulation people inside needs to increase external control circuit plate, described external control circuit plate is provided with light-sensitive element 14, optic coupling element 11, the node of electromagnet 18, light-sensitive element, optic coupling element, the lead-out wire of electromagnet is connected on corresponding site position, described external control circuit plate is also provided with motor encoder, power interface and programmable device, described motor encoder connects motor 9 by wire, described power interface is connected with external power source by adapter, namely external control circuit plate is energized, after energising, each element establishes procedure operation according in programmable device.If needed, certain the simulation human body institute concrete at this motion wants the physiological characteristic reflected, can arrange different programs and knob and operate.
Finally, above described imitation pupil assembly 4, superpose fixed-analog eyeball component 2, described pupil component back-up block 3 upper groove lateral wall and simulated eye ball component 2 lower end groove madial wall close-fitting; The outer surface fixed-analog eyelid assembly 1 of described simulated eye ball component 2, described simulation eyelid 1 is spherical structure, the bilateral symmetry position of described simulation eyelid is provided with two fixing ears, fix in described both sides on ear, with the link position of simulation eyelid and be provided with first, second through hole, first, second through hole described is connected with the pivot pin of simulated eye ball component 2 respectively, fix on ear in described side and be also provided with third through-hole, described third through-hole is connected with connecting rod 17 by connecting rod pivot pin 16.Described connecting rod 17 other end is connected with the axle core of the electromagnet 18 be placed in below electromagnet electric machine support 8.
According to above-mentioned installation steps, obtain device as shown in Figure 3, the control of said apparatus is all realized by control circuit board, realize full-automatic, its control method comprises eyelid movement control method and pupil movement control method, described eyelid movement control method is under "on" position, the axle core of the programme-control electromagnet in programmable device does stretching motion, the axle core of described electromagnet drives simulation eyelid assembly to do by connecting rod and turns down motion up and down, thus realize opening of eyelid and close, specifically, when electromagnet shaft core rises from, axle core drives simulation eyelid assembly to do by connecting rod and upwards turns down motion, it is now eyes-open state, when electromagnet shaft core is retracted, axle core drives simulation eyelid assembly to do by connecting rod and turns down motion downwards, be now closed-eye state,
When simulating the physiological characteristic that human body causes pupil to change due to light, described pupil movement control method is under outside control circuit board "on" position, during the signal of the program of establishing in programmable device not shielded from light photosensitive elements, now light-sensitive element is through the irradiation of visible ray, produce photosignal, described photosignal conducts to external control circuit, thus conducting motor, when the motor is energized, drive motor axle rotates, then the shift lever axis on drive motor axle rotates, drive driving lever and pupil to control axle to swing, the circular hole aperture that the swing change aperture blades Inner arc controlling axle by pupil surrounds, thus realize the change of pupil size, when simulating the physiological characteristic of the pupil change that human body causes due to frightened or other non-light factor, described pupil movement control method replaces with under outside control circuit board "on" position, during the program mask light-sensitive element signal established in programmable device, now programmable device directly sends signal to external control circuit, thus conducting motor, when the motor is energized, drive motor axle rotates, then the shift lever axis on drive motor axle rotates, drive driving lever and pupil to control axle to swing, the circular hole aperture that the swing change aperture blades Inner arc controlling axle by pupil surrounds, thus realize the change of pupil size, the circular hole aperture that described aperture blades Inner arc surrounds has maximum and minimum of a value, described maximum and minimum of a value are controlled by optic coupling element, when dead man turns to optocoupler inside, the signal of telecommunication that control circuit board inputs drives light emitting diode, light emitting diode sends the light of certain wavelength, received by photo-detector and produce photoelectric current, export after amplifying further and feed back to control circuit, after external control circuit obtains signal, programmable device internal program actuating motor stops operating, when driving lever turns to both sides optocoupler, the circular hole aperture that aperture blades Inner arc surrounds is maximum or minimum of a value, and namely pupil becomes minimum and maximum.In pupil change procedure, certain of pupil extreme position can be labeled as the dead-center position of stepper motor, after dead-center position is determined, by program controlled motor encoder, motor can be made to rest on any position of program setting, thus pupil size can accurately control.
The present invention is not limited to above-mentioned embodiment, adopts the structure identical or approximate with the above embodiment of the present invention, and other simulation eyes obtained, all within protection scope of the present invention, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. medical human eye pupil and an eyelid motion simulation structure, comprises simulation eyeball, eyelid, pupil component, Mechanical course assembly and control circuit, described Mechanical course assembly is by support, nut, driving lever, shift lever axis, pivot pin, connecting rod, electromagnet, motor and motor shaft are formed, described control circuit is by photoelectric coupled circuit plate, photosensitive circuit plate and external control circuit plate are formed, it is characterized in that described motor and electromagnet are placed in the below of electromagnet electric machine support, the upper surface of described electromagnet electric machine support is provided with control support, the upper surface of described control support is fixed with imitation pupil assembly, described imitation pupil assembly tightly fits in simulated eye ball component medial surface by the lateral surface of imitation pupil modular support block, the outer surface of described simulated eye ball component is by pivot pin fixed-analog eyelid assembly, described simulation eyelid assembly connects one end of connecting rod by pivot pin, the other end of described connecting rod connects the axle core of electromagnet, described motor upper end is provided with a motor shaft, described motor shaft is through electromagnet electric machine support and in the bottom controlling support, connect shift lever axis successively from the bottom to top, driving lever, and fix with nut, the upper end of described shift lever axis is fixedly connected with the lower end of driving lever, the upper end connecting analog pupil component of described driving lever, the lower surface of described control support is provided with photosensitive circuit plate, photoelectric coupled circuit plate, whole mechanism outside is provided with external control circuit plate, described external control circuit plate is provided with light-sensitive element, optic coupling element, the node of electromagnet, light-sensitive element on photosensitive circuit plate, optic coupling element on photoelectric coupled circuit plate and the lead-out wire of electromagnet connect corresponding node respectively, described external control circuit plate is also provided with motor encoder, power interface and programmable device, described motor encoder connects motor by wire, described power interface is connected with external power source by adapter, namely external control circuit plate is energized, after energising, each element establishes procedure operation according in programmable device.
2. a kind of medical human eye pupil as claimed in claim 1 and eyelid motion simulation structure, it is characterized in that described simulation eyelid assembly is by simulating eyelid and fixing ear is formed, described simulation eyelid is spherical structure, the bilateral symmetry position of described simulation eyelid is provided with two fixing ears, fix on ear in described both sides, first is provided with the link position of simulation eyelid, second through hole, described first, second through hole is connected with the pivot pin of simulated eye ball component respectively, fix on ear in described side and be also provided with third through-hole, described third through-hole is connected with connecting rod by connecting rod pivot pin.
3. a kind of medical human eye pupil as claimed in claim 1 and eyelid motion simulation structure, it is characterized in that described simulated eye ball component is the integrative-structure be made up of simulation eyeball, eyeball pivot pin and eyeball bracing frame, described simulation eyeball adopts transparent ball structure, described eyeball bracing frame is three-dimensional annulus configuration, described eyeball bracing frame two ends symmetric position is also provided with eyeball pivot pin, and described eyeball pivot pin is fixedly connected with simulation eyelid assembly.
4. a kind of medical human eye pupil as claimed in claim 1 and eyelid motion simulation structure, it is characterized in that described imitation pupil assembly is by imitation pupil, pupil controls axle and pupil component back-up block is formed, described pupil component back-up block is the integrative-structure be made up of in conjunction with C font low groove three-dimensional annular upper groove, the center of described pupil component back-up block lower notches is provided with a manhole, described pupil component back-up block low groove left and right sides symmetric position is also provided with fixing ear, described pupil component back-up block is connected with control rack upper surface by fixing ear and screw, described pupil component back-up block upper groove lateral wall and simulated eye ball component lower end groove madial wall close-fitting, imitation pupil is provided with in described pupil component back-up block low groove, described imitation pupil adopts optical instrument aperture, described optical instrument aperture is by shell, fixing outer toroid, annulus in movable, some aperture blades, some fixed axis and optical instrument control axle composition, the inner surface of described shell is provided with fixing outer toroid, described fixing outer toroid is provided with equally distributed some circular holes on concentric a certain circle, the inwall of described shell is provided with the groove concentric with fixing outer toroid, shell to be embedded with annulus in activity by described groove and is connected, in described activity, annulus is provided with the elongated hole that from center of circle homogeneous radiation go out equal with circular hole quantity in fixing outer toroid, each elongated hole in described activity on annulus connects one end of an aperture blades by fixed axis correspondence, the other end of described aperture blades is connected and fixed a circular hole of outer toroid by fixed axis correspondence, the circular hole that all aperture blades Inner arc surround is pupil, in described activity, the side of annulus is also provided with optical instrument and controls axle, namely described optical instrument controls axle is that pupil controls axle, described pupil controls axle and coordinates with the long slot bore of driving lever upper end.
5. a kind of medical human eye pupil as claimed in claim 4 and eyelid motion simulation structure, is characterized in that the manhole concentric in the circular hole that described some aperture blades Inner arc surround and described pupil component back-up block lower notches.
6. a kind of medical human eye pupil as claimed in claim 1 and eyelid motion simulation structure, it is characterized in that described control support is by top board, support column and bayonet socket are formed, two ends, the lower surface left and right symmetric position of described control rack plate is provided with height two pairs of cylindrical body supports posts with fixing hole, described control support is fixedly connected on the upper surface of electromagnet electric machine support by high cylindrical body supports post, described control support is fixedly connected with photosensitive circuit plate by low cylindrical body supports post, the lower surface of described control rack plate is also provided with some circuit board bayonet sockets, photoelectric coupled circuit plate is fixed by circuit board bayonet socket by described control rack plate lower surface, the central authorities of described control rack plate are also provided with a light hole, described light hole is the cylindrical structure with through hole, described light hole is just just to the light-sensitive element on circuit board.
7. a kind of medical human eye pupil as claimed in claim 1 and eyelid motion simulation structure, it is characterized in that described shift lever axis is the cylindrical structure with through hole, described shift lever axis is inserted in motor shaft just, and holds out against from radial direction with marking closely screw, realizes shift lever axis and motor shaft synchronous axial system.
8. a kind of medical human eye pupil as claimed in claim 1 and eyelid motion simulation structure, it is characterized in that described driving lever is secondary hierarchic structure, the top of described driving lever is provided with a circular long slot bore, bottom is provided with a manhole, described driving lever is inserted in motor shaft by bottom manhole, and be fixedly connected with the upper end of shift lever axis with nut, described driving lever controls axle by the circular long slot bore in top and pupil component and is connected.
9. the control method of a medical human eye pupil as described in claim 4 or 5 and eyelid motion simulation structure, it is characterized in that described control method comprises eyelid movement control method and pupil movement control method, described eyelid movement control method be external control circuit plate in the energized state, the axle core of programme-control electromagnet is established to do stretching motion in programmable device, the axle core of described electromagnet drives simulation eyelid assembly to do by connecting rod and turns down motion up and down, thus realize opening of eyelid and close, specifically, when electromagnet shaft core rises from, axle core drives simulation eyelid assembly to do by connecting rod and upwards turns down motion, it is now eyes-open state, when electromagnet shaft core is retracted, axle core drives simulation eyelid assembly to do by connecting rod and turns down motion downwards, be now closed-eye state,
When simulating the physiological characteristic that human body causes pupil to change due to light, described pupil movement control method is under outside control circuit board "on" position, during the signal of the program of establishing in programmable device not shielded from light photosensitive elements, now light-sensitive element is through the irradiation of visible ray, produce photosignal, described photosignal conducts to external control circuit, thus conducting motor, when the motor is energized, drive motor axle rotates, then the shift lever axis on drive motor axle rotates, drive driving lever and pupil to control axle to swing, the circular hole aperture that the swing change aperture blades Inner arc controlling axle by pupil surrounds, thus realize the change of pupil size, when simulating the physiological characteristic of the pupil change that human body causes due to frightened or other non-light factor, described pupil movement control method replaces with under outside control circuit board "on" position, during the program mask light-sensitive element signal established in programmable device, now programmable device directly sends signal to external control circuit, thus conducting motor, when the motor is energized, drive motor axle rotates, then the shift lever axis on drive motor axle rotates, drive driving lever and pupil to control axle to swing, the circular hole aperture that the swing change aperture blades Inner arc controlling axle by pupil surrounds, thus realize the change of pupil size.
10. the control method of a kind of medical human eye pupil as claimed in claim 9 and eyelid motion simulation structure, it is characterized in that the circular hole aperture that described aperture blades Inner arc surrounds has maximum and minimum of a value, described maximum and minimum of a value are controlled by optic coupling element, described optic coupling element comprises light emitting diode, photo-detector and signal amplify three partial devices, when dead man turns to optocoupler inside, the signal of telecommunication that control circuit board inputs drives light emitting diode, light emitting diode sends the light of certain wavelength, received by photo-detector and produce photoelectric current, export after amplifying further and feed back to control circuit, after external control circuit obtains signal, programmable device internal program actuating motor stops operating, when driving lever turns to both sides optocoupler, the circular hole aperture that aperture blades Inner arc surrounds is maximum or minimum of a value, namely pupil becomes minimum and maximum, in pupil change procedure, certain of pupil extreme position can be labeled as the dead-center position of stepper motor, after dead-center position is determined, by program controlled motor encoder, motor can be made to rest on any position of program setting, thus pupil size can accurately control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015316.3A CN103055514B (en) | 2013-01-16 | 2013-01-16 | Medical human eye pupil and eyelid motion simulation structure and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015316.3A CN103055514B (en) | 2013-01-16 | 2013-01-16 | Medical human eye pupil and eyelid motion simulation structure and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103055514A CN103055514A (en) | 2013-04-24 |
| CN103055514B true CN103055514B (en) | 2015-04-22 |
Family
ID=48098591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310015316.3A Active CN103055514B (en) | 2013-01-16 | 2013-01-16 | Medical human eye pupil and eyelid motion simulation structure and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103055514B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558269B (en) * | 2017-01-23 | 2023-08-29 | 营口巨成教学科技开发有限公司 | Teaching simulation person capable of scaling iris, simulated eye and pupil and method for scaling simulated eye pupil |
| CN108152950A (en) * | 2018-03-19 | 2018-06-12 | 宁波高斯医疗科技有限公司 | A kind of optical lens for being used to simulate human eye |
| CN109166433B (en) * | 2018-08-16 | 2021-09-28 | 医博士医教科技（深圳）有限公司 | Medical anthropomorphic dummy system |
| US11967250B2 (en) | 2018-09-05 | 2024-04-23 | Tellyes Scientific Inc. | Eyepiece, eye simulator device, mannequin simulator and training method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259241A (en) * | 2000-03-15 | 2001-09-25 | Iwaya Co Ltd | Eyeball apparatus for toy |
| CN2547370Y (en) * | 2002-01-18 | 2003-04-30 | 廖聚源 | Dolls' eyes blinking structure |
| CN2764450Y (en) * | 2004-09-03 | 2006-03-15 | 周志昌 | Doll eye with independently moveable pupil |
| JP2007202935A (en) * | 2006-02-06 | 2007-08-16 | Mineji Iwamoto | Head for doll |
| CN201001962Y (en) * | 2007-02-14 | 2008-01-09 | 杨建良 | Device for controlling robot eyeball and eyelid action |
| CN102698442A (en) * | 2012-05-23 | 2012-10-03 | 上海交通大学 | Artificial eye for medical simulator |
| CN203043540U (en) * | 2013-01-16 | 2013-07-10 | 上海弘联医学科技集团有限公司 | Medical simulation human eye pupil and eyelid motion structure |
-
2013
- 2013-01-16 CN CN201310015316.3A patent/CN103055514B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259241A (en) * | 2000-03-15 | 2001-09-25 | Iwaya Co Ltd | Eyeball apparatus for toy |
| CN2547370Y (en) * | 2002-01-18 | 2003-04-30 | 廖聚源 | Dolls' eyes blinking structure |
| CN2764450Y (en) * | 2004-09-03 | 2006-03-15 | 周志昌 | Doll eye with independently moveable pupil |
| JP2007202935A (en) * | 2006-02-06 | 2007-08-16 | Mineji Iwamoto | Head for doll |
| CN201001962Y (en) * | 2007-02-14 | 2008-01-09 | 杨建良 | Device for controlling robot eyeball and eyelid action |
| CN102698442A (en) * | 2012-05-23 | 2012-10-03 | 上海交通大学 | Artificial eye for medical simulator |
| CN203043540U (en) * | 2013-01-16 | 2013-07-10 | 上海弘联医学科技集团有限公司 | Medical simulation human eye pupil and eyelid motion structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103055514A (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203043540U (en) | Medical simulation human eye pupil and eyelid motion structure | |
| CN103055514B (en) | Medical human eye pupil and eyelid motion simulation structure and control method thereof | |
| US8062092B2 (en) | Simulated eye assembly for toy | |
| CN106426196A (en) | Service robot head | |
| CN109822590B (en) | Robot eye movement device and control method | |
| CN106272459A (en) | A kind of anthropomorphic robot | |
| CN206123670U (en) | Humanoid robot | |
| CN202191696U (en) | Dance robot | |
| WO2018113722A1 (en) | Eye structure of robot, head structure of robot, and robot | |
| CN106426295A (en) | Mechanical bionic eye device | |
| CN115533932A (en) | Mechanical structure of robot with multiple motion control points and expressions | |
| US20100099328A1 (en) | Simulated eye for toy | |
| US20100120326A1 (en) | Simulated eye for toy | |
| CN102698442B (en) | Artificial eye for medical simulator | |
| CN112585663B (en) | Eyepiece, eye simulator device, human body simulator and training method | |
| CN106558269B (en) | Teaching simulation person capable of scaling iris, simulated eye and pupil and method for scaling simulated eye pupil | |
| CN106842557B (en) | A kind of laser performance system and its operating method | |
| CN103117017A (en) | Simulation eye structure | |
| CN107638701B (en) | Movable simulation eyeball | |
| CN210167014U (en) | Simulation eyeball | |
| CN208922505U (en) | A kind of projection children initiation early education teaching aid | |
| CN206123672U (en) | Imitative people mechanism of blinking | |
| CN220807394U (en) | Chameleon mechanical structure | |
| CN105903120A (en) | 3D face tattoo cosmetic machine | |
| CN206877588U (en) | Tellurion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |