CN113854956A - Cornea three-dimensional detection equipment based on optical coherence elastography principle - Google Patents

Abstract

The invention relates to a cornea three-dimensional detection device, in particular to a cornea three-dimensional detection device based on an optical coherence elastography principle. The cornea three-dimensional detection equipment is simple to operate, can adjust the position of a lens and is suitable for various eye distances, and based on the optical coherence elastography principle, the labor cost is reduced by optimizing the working mode. A cornea three-dimensional detection device based on optical coherence elastography principle comprises: the automatic detection device comprises a main frame, an on-off key, an imager, a guide pipe and a sliding mechanism, wherein the sliding mechanism is arranged on the upper portion of the main frame, a starting on-off key is arranged on the sliding mechanism, the imager is arranged in the sliding mechanism in a sliding mode, and the guide pipe is symmetrically arranged in the sliding mechanism in a sliding mode. The permanent magnet is adsorbed on the stopper, and then fixes the state that the display screen was opened, and reading of cooperation data is observed, and the back that finishes of use still can promote the display screen and rotate and retrieve, prevents that the display screen from being collided with and damaged.

Description

Cornea three-dimensional detection equipment based on optical coherence elastography principle

Technical Field

The invention relates to a cornea three-dimensional detection device, in particular to a cornea three-dimensional detection device based on an optical coherence elastography principle.

Background

According to the optical principle, the external object distance is inversely proportional to the imaging distance in human eyes, and the physiological synchronous near-reflex regulating function of the eyes can be mobilized when people use the eyes for a long time in a short distance, this process, known medically as accommodation response, is self-performed or compensated by a refractive accommodation response, however, when the accommodation mechanism is damaged by various factors in vivo and in vitro, such as long-term fatigue of eyes, the accommodation tension and spasm of ciliary muscle and periorbital orbicular muscle are caused, and the accommodation cannot be relaxed when looking at objects at a longer distance, which changes the dioptric system of human eyes for a long time, causes ametropia, according to different damage conditions and degrees of the refraction adjusting reaction system, pseudomyopia or other eye diseases with different properties and different degrees are successively suffered, and the eye diseases can seriously affect normal life, so that the eyes need to be operated subsequently.

Before operation, an imager is needed to be used for accurate biological measurement, so that accurate intraocular lens degrees are obtained, main test data comprise axial length, anterior chamber depth, corneal curvature and the like, the existing imager is mainly obtained by an elastography principle, namely, elasticity information of human eyes is converted into visible light images which are used by doctors, so that the doctors can judge the mechanical properties of materials of tissues through the visible light images, and further judge possible pathological changes of corresponding tissues or organs and the positions, shapes and sizes of the tissues according to the soft and hard conditions of the tissues.

Use the imager to examine time measuring, need the measurement personnel both eyes to place in the lens front side of imager, fixed appointed time, after detecting the scanning eye condition by the imager, present scan data on appointed screen, the imager operation is complicated, generally need medical personnel whole journey to accompany and guide, the human cost is great, and the lens rigidity of imager, when measurement personnel eye distance is too short or too long, need single eye to detect in proper order, the extension check-out time, work efficiency is not high, therefore need design an easy operation, preferred working method and then reduce the cost of labor, can adjust the position of lens simultaneously, the cornea three-dimensional check out test set based on the optical coherence elasticity imaging principle of the multiple eye distance of adaptation.

Disclosure of Invention

In order to overcome the defects of complex operation, high labor cost, fixed lens position and low adaptability of the existing imager, the technical problem of the invention is as follows: the cornea three-dimensional detection equipment is simple to operate, can adjust the position of a lens and is suitable for various eye distances, and the working mode is optimized, so that the labor cost is reduced, and the cornea three-dimensional detection equipment is based on the optical coherence elastography principle.

The technical implementation scheme of the invention is as follows: the utility model provides a three-dimensional check out test set of cornea based on optics coherent elasticity imaging principle, including the main frame, the on & off switch, the imager, the pipe, the rubber pad, lens, the display screen, slewing mechanism, slide mechanism and width modulation mechanism, main frame upper portion is equipped with slide mechanism, the last start on & off switch that is equipped with of slide mechanism, slide mechanism internal sliding formula is equipped with the imager, the last symmetry slidingtype of slide mechanism is equipped with the pipe, pipe one side all is connected with the rubber pad, the rubber pad inner wall all is equipped with lens, main frame top one side is equipped with slewing mechanism, the last display screen that is connected with the demonstration visible light image of slewing mechanism, the last width modulation mechanism that is connected with of slide mechanism carries out the adjustment according to eye distance length.

In a preferred embodiment of the present invention, the rotating mechanism includes a first connecting rod, a hinge block, a first spring, a permanent magnet, and a limiting block, the first connecting rod is disposed on one side of the top of the main frame, the hinge block is hinged to the middle of the first connecting rod, the first spring is connected between the top of the hinge block and the inner wall of the first connecting rod, 2 permanent magnets for fixing the display screen are disposed on one side of the hinge block, and the limiting block is disposed on one side of the main frame.

In a preferred embodiment of the present invention, the sliding mechanism includes a sliding sleeve, a first sliding block, a first mounting frame, a second sliding block and a third sliding block, the sliding sleeve is connected between two sides of the inner wall of the lower portion of the main frame, the sliding sleeve is slidably provided with the first sliding block, one side of the first sliding block is connected with the first mounting frame, one side of the top of the first mounting frame is slidably provided with the second sliding block, and the top of the second sliding block is slidably provided with the third sliding block.

In a preferred embodiment of the present invention, the width adjusting mechanism comprises a rotating shaft, a first nut, a connecting block and a knob, the rotating shaft is rotatably disposed between two sides of the first mounting frame, the first nut is threadedly disposed on two sides of the rotating shaft, the connecting block is connected between the top of the first nut and the adjacent conduit, and the knob is disposed on one side of the rotating shaft.

In a preferred embodiment of the invention, the positioning device further comprises a positioning mechanism, the positioning mechanism comprises a starting switch, a second mounting frame, a servo motor, a lead screw, a second nut, a second connecting rod, a first distance sensor, a second distance sensor, a first travel switch and a third distance sensor, the starting switch is arranged on one side of the top of the first mounting frame, the second mounting frame is connected between two sides of the top of the first mounting frame, the servo motor is arranged on one side of the inner wall of the second mounting frame, the lead screw is rotatably arranged on the top of the inner wall of the second mounting frame, the second nut is arranged on the lead screw in a threaded mode, the second connecting rod is arranged on the front side of the imager, the first distance sensor is arranged on the top of a connecting block on one side, the second distance sensor is arranged on the top of a connecting block on the other side, the first travel switch is arranged on one side of the second mounting frame, and the third distance sensor is arranged on the other side of the second mounting frame.

In a preferred embodiment of the present invention, the present invention further comprises a covering mechanism, the covering mechanism includes a slide rail, a fourth slider, a stop block, a first electric push rod, a second travel switch and a third travel switch, the slide rail is connected between two sides of the inner wall of the lower portion of the first mounting bracket, the fourth slider is symmetrically and slidably disposed on the slide rail, the second electric push rod is disposed on the fourth slider on one side, the first electric push rod is disposed on the fourth slider on the other side, the stop blocks are disposed on the top of the telescopic rods of the first electric push rod and the second electric push rod, the third travel switch is disposed on the stop block on one side, and the second travel switch is disposed on the stop block on the other side.

In a preferred embodiment of the present invention, the magnetic attraction mechanism further comprises a mounting block, an electromagnet, a second spring, a first telescopic rod, a second telescopic rod, a first pressure sensor and a second pressure sensor, the mounting block is disposed on one side of the bottom of the third slider, the electromagnet is disposed on one side of the top of the second slider, the second spring is symmetrically connected between the third slider and the inner wall of the second slider, the second pressure sensor is disposed on the fourth slider on one side, the first pressure sensor is disposed on the fourth slider on the other side, the second telescopic rod is slidably disposed at the bottom of the stop block on one side, and the first telescopic rod is slidably disposed at the bottom of the stop block on the other side.

In a preferred embodiment of the invention, the supporting mechanism further comprises a guide sleeve, a fifth sliding block, a sponge pad, a clamping block, a third spring and a movable rod, wherein the guide sleeve is arranged on one side of the top of the main frame, the movable rod is slidably arranged on the lower portion of the guide sleeve, 2 clamping blocks are arranged on one side of the movable rod, the fifth sliding block is slidably arranged on one side of the guide sleeve, the sponge pad is arranged on the top of the fifth sliding block, and the third spring is symmetrically connected between the clamping block and the fifth sliding block.

In a preferred embodiment of the invention, the power supply further comprises a control box, the control box is arranged at the bottom of the inner wall of the main frame, a switching power supply, a power supply module and a control module are installed in the control box, the switching power supply supplies power to the whole equipment, the output end of the switching power supply is electrically connected with the power supply module, the power supply module is connected with a power supply main switch through a circuit, and the power supply module is electrically connected with the control module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the starting switch, the first distance sensor, the second distance sensor, the third distance sensor, the first pressure sensor, the second pressure sensor, the first travel switch, the second travel switch and the third travel switch are electrically connected with the control module, and the first electric push rod, the second electric push rod, the servo motor and the electromagnet are connected with the control module through peripheral circuits.

Compared with the prior art, the invention has the following advantages: 1. the permanent magnet is adsorbed on the limiting block, so that the opened state of the display screen is fixed, and the display screen can be pushed to rotate and recover after being used in cooperation with data reading and observation, so that the display screen is prevented from being collided and damaged;

2. opposite threads are arranged on the left side and the right side of the rotating shaft, so that the distance between the guide pipes can be adjusted by rotating the rotating shaft to be matched with detection personnel with different eye distances;

3. the stop block can perform basic protection function on the lens, and when the stop block moves downwards to be matched with detection, the electromagnet operates to drive the imager to move forwards to finish automatic clamping of the conduit, so that manual operation is not needed;

4. the spongy cushion can be used for placing the head of a detector, and the detection result in a comfortable state can be more representative.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a schematic perspective view of the rotating mechanism of the present invention.

Fig. 5 is a partial perspective view of the rotating mechanism of the present invention.

Fig. 6 is a schematic perspective view of a first sliding mechanism according to the present invention.

Fig. 7 is a schematic perspective view of a second sliding mechanism according to the present invention.

Fig. 8 is a schematic view of a first partial structure of the sliding mechanism of the present invention.

Fig. 9 is a schematic view of a second partial structure of the sliding mechanism of the present invention.

Fig. 10 is a schematic perspective view of the width adjusting mechanism of the present invention.

Fig. 11 is a schematic perspective view of a first positioning mechanism according to the present invention.

Fig. 12 is a schematic perspective view of a second positioning mechanism of the present invention.

Fig. 13 is an enlarged perspective view of part a of the present invention.

Fig. 14 is a schematic view of a first partial structure of the positioning mechanism of the present invention.

Fig. 15 is a schematic perspective view of a first embodiment of the covering mechanism of the present invention.

Fig. 16 is a schematic perspective view of a second embodiment of the covering mechanism of the present invention.

FIG. 17 is a schematic view of a first partially assembled component of the magnetic attraction mechanism of the present invention.

FIG. 18 is a schematic view of a second partial body structure of the magnetic attraction mechanism of the present invention.

FIG. 19 is a perspective view of a third embodiment of the magnetic attraction mechanism of the present invention.

Fig. 20 is a schematic perspective view of a first supporting mechanism according to the present invention.

Fig. 21 is a schematic perspective view of a second supporting mechanism according to the present invention.

Fig. 22 is a cross-sectional structural view of the support mechanism of the present invention.

FIG. 23 is a second partial structural view of the positioning mechanism of the present invention.

FIG. 24 is a block circuit diagram of the present invention.

Fig. 25 is a schematic circuit diagram of the present invention.

The parts are labeled as follows: 1. a main frame, 2, a control box, 3, an on-off switch, 4, an imager, 5, a conduit, 6, a rubber pad, 7, a lens, 8, a display screen, 9, a rotating mechanism, 91, a first connecting rod, 92, a hinge block, 93, a first spring, 94, a permanent magnet, 95, a limiting block, 10, a sliding mechanism, 101, a sliding sleeve, 102, a first sliding block, 103, a first mounting frame, 104, a second sliding block, 105, a third sliding block, 11, a width adjusting mechanism, 111, a rotating shaft, 112, a first nut, 113, a connecting block, 114, a knob, 12, a positioning mechanism, 121, a starting switch, 122, a second mounting frame, 123, a servo motor, 124, a screw rod, 125, a second nut, 126, a second connecting rod, 127, a first distance sensor, 128, a second distance sensor, 129, a first travel switch, 1210, a third distance sensor, 13, a covering mechanism, 131, a sliding rail, 132. fourth slider, 133, dog, 1341, first electric putter, 1342, second electric putter, 1351, second travel switch, 1352, third travel switch, 14, magnetic attraction mechanism, 141, mounting block, 142, electromagnet, 143, second spring, 1441, first telescopic rod, 1442, second telescopic rod, 1451, first pressure sensor, 1452, second pressure sensor, 15, supporting mechanism, 151, guide sleeve, 152, fifth slider, 153, foam-rubber cushion, 154, fixture block, 155, third spring, 156, movable rod.

Detailed Description

Although the present invention may be described with respect to particular applications or industries, those skilled in the art will recognize the broader applicability of the invention. Those of ordinary skill in the art will recognize other factors such as: terms such as above, below, upward, downward, and the like are used to describe the accompanying drawings and are not meant to limit the scope of the invention, which is defined by the appended claims. Such as: any numerical designation of first or second, and the like, is merely exemplary and is not intended to limit the scope of the invention in any way.

Example 1

The utility model provides a three-dimensional check out test set of cornea based on optics coherent elasticity imaging principle, as shown in fig. 1-25, including main frame 1, on & off switch 3, imager 4, pipe 5, rubber pad 6, lens 7, display screen 8, slewing mechanism 9, sliding mechanism 10 and width modulation mechanism 11, 1 upper portion rear side of main frame is equipped with sliding mechanism 10, be equipped with on & off switch 3 on sliding mechanism 10, sliding mechanism 10 internal sliding formula is equipped with imager 4, sliding mechanism 10 front side bilateral symmetry slidingtype is equipped with pipe 5, the pipe 5 front side all is connected with rubber pad 6, 6 inner wall rear sides of rubber pad all are equipped with lens 7, 1 top left front side of main frame is equipped with slewing mechanism 9, be connected with display screen 8 on the slewing mechanism 9, be connected with width modulation mechanism 11 on the sliding mechanism 10.

Slewing mechanism 9 is including head rod 91, articulated piece 92, first spring 93, permanent magnet 94 and stopper 95, 1 top left front side of main frame is equipped with head rod 91, head rod 91 middle part articulates there is articulated piece 92, articulated piece 92 top is connected with display screen 8, be connected with first spring 93 between articulated piece 92 top and the head rod 91 inner wall, articulated piece 92 left side is equipped with 2 permanent magnet 94, 1 left front side of main frame is equipped with stopper 95, stopper 95 rear side and permanent magnet 94 gomphosis.

Slide mechanism 10 is including sliding sleeve 101, first slider 102, first mounting bracket 103, second slider 104 and third slider 105, be connected with sliding sleeve 101 between the 1 lower part inner wall left and right sides of main frame, sliding sleeve 101 is last the gliding style and is equipped with first slider 102, first slider 102 front side is connected with first mounting bracket 103, the equal slidingtype connection of pipe 5 is in first mounting bracket 103 front side, on & off switch 3 is connected on first mounting bracket 103 upper portion right side, the gliding style of sliding behind first mounting bracket 103 top is equipped with second slider 104, second slider 104 top is slidingtype and is equipped with third slider 105, third slider 105 top is connected with imager 4.

Transfer wide mechanism 11 including pivot 111, first nut 112, connecting block 113 and knob 114, the rotary type is equipped with pivot 111 between the first mounting bracket 103 left and right sides, and the pivot 111 left and right sides sets up to the screw thread form, and the equal screw thread formula in the pivot 111 left and right sides is equipped with first nut 112, and first nut 112 top all is connected with connecting block 113 with between close pipe 5, and pivot 111 right side is equipped with knob 114.

The eyes of the person to be detected can face the rubber pad 6, the knob 114 is rotated to drive the first nut 112 to be guided to move oppositely or relatively according to the length of the eye distance, the first nut 112 moves to drive the guide tubes 5 to move through the connecting block 113, when the distance between the guide tubes 5 is adjusted to be close to the eye distance, the knob 114 is stopped rotating, then the eyes of the person to be detected are opened to align with the rubber pad 6, the first mounting frame 103 is pushed to move forwards to drive the rubber pad 6 to be attached to the eyelid, the first sliding block 102 moves forwards, the short press switch key 3 sends out a signal, the control module receives the signal to further control the operation of the imager 4, a tool is manually used to push the second sliding block 104 to drive the imager 4 to move rightwards to be sequentially positioned at the rear side of the guide tubes 5, after the guide tubes 5 are aligned, the second sliding block 104 is stopped being pushed and then the third sliding block 105 is pushed to move forwards to drive the imager 4 to move forwards to be clamped with the left guide tube 5, after the left eye is detected, the third slider 105 is pushed to move backwards to drive the imager 4 to move forwards and not to be clamped with the left guide tube 5, the operation is repeated to drive the imager 4 to be clamped with the right guide tube 5, so that the detection of the right eye can be completed, the eye nerve data of a detector can be generated by the imager 4 through the lens 7 and then transmitted into the display screen 8, at the moment, the worker pushes the display screen 8 to rotate forwards by 90 degrees, the display screen 8 rotates to drive the first spring 93 to deform through the hinge block 92, the permanent magnet 94 rotates forwards to be contacted with the limiting block 95 and adsorb, so that the state of the display screen 8 can be fixed, the matched data is read, after the use, the human hand pushes the display screen 8 to rotate backwards to reset, then the first mounting frame 103 is pushed to move backwards to reset, all detection is completed, and the long press of the switch key 3 sends a signal, the control module receives the signal to control the imager 4 to stop operating.

The positioning device further comprises a positioning mechanism 12, the positioning mechanism 12 comprises a starting switch 121, a second mounting frame 122, a servo motor 123, a screw rod 124, a second nut 125, a second connecting rod 126, a first distance sensor 127, a second distance sensor 128, a first travel switch 129 and a third distance sensor 1210, the starting switch 121 is arranged on the right front side of the top of the first mounting frame 103, the second mounting frame 122 is connected between the left side and the right side of the rear side of the top of the first mounting frame 103, the servo motor 123 is arranged on the upper left side of the inner wall of the second mounting frame 122, the rotary screw rod 124 is arranged on the top of the inner wall of the second mounting frame 122, the left side of the screw rod 124 is connected with an output shaft of the servo motor 123, the second nut 125 is arranged on the screw rod 124 in a threaded manner, the second nut 125 is connected with the top of the imager 4 in a sliding manner, the second connecting rod 126 is arranged on the front side of the imager 4, the first distance sensor 127 is arranged on the top of the left connecting block 113, the top of right side connecting block 113 is equipped with second distance sensor 128, and the second mounting bracket 122 left part is equipped with first travel switch 129, and the second mounting bracket 122 right part is equipped with third distance sensor 1210.

The short press of the start switch 121 sends a signal, the control module receives the signal and further controls the servo motor 123 to operate in the forward direction, the output shaft of the servo motor 123 rotates to drive the screw rod 124 to rotate, further the second nut 125 drives the imager 4 to move rightwards, when the imager 4 moves rightwards to the front side of the first distance sensor 127, the first distance sensor 127 detects that the distance between the imager 4 and the signal is the minimum, the control module receives the signal and further controls the servo motor 123 to stop operating for 15 seconds and then operates again, the imager 4 stops moving and completes accurate positioning, then the imager 4 is pushed to move forwards to be matched with the catheter 5 in a clamping manner, after the left eye detection is finished, the imager 4 is pushed to move backwards, after the servo motor 123 stops operating for 15 seconds, the servo motor 123 continues to operate and drive the imager 4 to move rightwards to the front side of the second distance sensor 128, when the second distance sensor 128 detects that the distance between the second distance sensor and the imager 4 reaches the minimum value, the control module receives the signal and further controls the servo motor 123 to stop operating for 15 seconds and then operate again, the imager 4 stops moving and is matched with the detection of the right eye, after the detection is finished, the imager 4 continues to move rightwards to the left of the third distance sensor 1210, the third distance sensor 1210 detects that the distance between the third distance sensor and the imager 4 reaches the minimum value, the control module receives the signal and further controls the servo motor 123 to operate in the reverse direction, the first distance sensor 127 and the second distance sensor 128 are controlled to stop detecting at the same time, the output shaft of the servo motor 123 reversely rotates and drives the second nut 125 and the imager 4 to move leftwards through the lead screw 124 to reset, when the imager 4 moves leftwards to be in contact with the first travel switch 129, the first travel switch 129 sends the signal, the control module receives the signal and further controls the servo motor 123 to stop operating, the first and second distance sensors 127 and 128 are simultaneously controlled to resume the test.

Still including covering mechanism 13, covering mechanism 13 is including slide rail 131, fourth slider 132, dog 133, first electric putter 1341, second electric putter 1342, second travel switch 1351 and third travel switch 1352, be connected with slide rail 131 between the first mounting bracket 103 lower part inner wall left and right sides, bilateral symmetry sliding type is equipped with fourth slider 132 on slide rail 131, fourth slider 132 is connected with close pipe 5 bottom rear side respectively, the rear side of left side fourth slider 132 is equipped with second electric putter 1342, the rear side of right side fourth slider 132 is equipped with first electric putter 1341, the telescopic link top of first electric putter 1341 and second electric putter 1342 all is equipped with dog 133, be equipped with third travel switch 1352 on the left side dog 133, be equipped with second travel switch 1351 on the right side dog 133.

Still including magnetic mechanism 14, magnetic mechanism 14 is including installation piece 141, electro-magnet 142, second spring 143, first telescopic link 1441, second telescopic link 1442, first pressure sensor 1451 and second pressure sensor 1452, third slider 105 bottom front side is equipped with installation piece 141, second slider 104 top front side is equipped with electro-magnet 142, bilateral symmetry is connected with second spring 143 between third slider 105 front side and the second slider 104 inner wall, the back left side of left side fourth slider 132 is equipped with second pressure sensor 1452, the back left side of right side fourth slider 132 is equipped with first pressure sensor 1451, the bottom left side slidingtype of left side dog 133 is equipped with second telescopic link 1442, the bottom left side slidingtype of right side dog 133 is equipped with first telescopic link 1441.

When the guide tube 5 is adjusted, the fourth sliding block 132 is driven to move, and further drives the upper part thereof to move, the initial state stop block 133 blocks the rear side of the guide tube 5, so as to protect the lens 7, when the imager 4 moves to the right and stops moving after moving to the front side of the left guide tube 5, the second distance sensor 128 sends a signal when detecting that the distance between the second distance sensor and the imager 4 reaches the minimum value, the control module receives the signal and further controls the second electric push rod 1342 to shorten, the telescopic rod of the second electric push rod 1342 shortens, drives the left stop block 133 to move downwards and no longer blocks the rear side of the guide tube 5, the left stop block 133 moves downwards and drives the second telescopic rod 1442 to move downwards and extrude the second pressure sensor 1452, when the second pressure sensor 1452 detects that the pressure is greater than the preset value, the control module receives the signal and further controls the electromagnet 142 to adsorb the mounting block 141 and control the second electric push rod 1342 to stop operating, the mounting block 141 moves forward to drive the third slider 105 to move forward, and further drive the imager 4 to automatically move forward to complete the clamping with the conduit 5, the matching detection is performed, at this time, the second spring 143 is compressed, the left eye detection is completed after 15 seconds, the imager 4 continues to move rightward, the second distance sensor 128 sends a signal when detecting that the distance between the second distance sensor and the imager 4 does not reach the minimum value any more, the control module receives the signal and further controls the extension rod of the second electric push rod 1342 to extend, the extension rod of the second electric push rod 1342 extends to drive the left stopper 133 to move upward to block the left conduit 5 again, when the stopper 133 moves upward to contact with the third travel switch 1352, the third travel switch 1352 sends a signal to control the second electric push rod 1342 to stop operating, meanwhile, the left stopper 133 moves upward to drive the second extension rod 1442 to move upward to reset, and the second pressure sensor 1452 sends a signal when detecting that the pressure is no more than the preset value, the control module receives a signal to control the electromagnet 142 to stop operating, the second spring 143 resets and drives the third slider 105 and the imager 4 to move backwards and reset through the mounting block 141, and similarly, the imager 4 moves rightwards to the front side of the right guide tube 5 and then stops moving, the first distance sensor 127 sends a signal when detecting that the distance between the first distance sensor 127 and the imager 4 reaches the minimum value, the control module receives a signal to control the first electric push rod 1341 to shorten, the right stop 133 is driven to move downwards to stop the right guide tube 5, the right stop 133 moves downwards to drive the first telescopic rod 1441 to move downwards to extrude the first pressure sensor 1451, the first pressure sensor 1451 sends a signal to control the electromagnet 142 to operate to drive the imager 4 to move forwards to complete clamping with the guide tube 5, and control the first electric push rod 1341 to stop operating, after 15 seconds, the imager 4 continues to move rightwards, the first pressure sensor 1451 sends a signal to control the first electric push rod 1341 to extend, so as to drive the right stopper 133 to move upwards, the right conduit 5 is stopped again, and when the right stopper 133 contacts the second travel switch 1351, the second travel switch 1351 sends a signal to control the first electric push rod 1341 to close.

Still including supporting mechanism 15, supporting mechanism 15 is including guide pin bushing 151, fifth slider 152, foam-rubber cushion 153, fixture block 154, third spring 155 and movable rod 156, 1 top front side of main frame is equipped with guide pin bushing 151, guide pin bushing 151 lower part front side sliding type is equipped with movable rod 156, movable rod 156 rear side is equipped with 2 fixture blocks 154, fixture block 154 is bilateral symmetry setting, guide pin bushing 151 front side sliding type is equipped with fifth slider 152, fifth slider 152 and movable rod 156 sliding type are connected, fifth slider 152 top is equipped with foam-rubber cushion 153, equal longitudinal symmetry is connected with third spring 155 between fixture block 154 front side and the fifth slider 152, downside third spring 155 all overlaps on movable rod 156.

The fixture blocks 154 are all contacted with the rear side of the inner wall of the guide sleeve 151, the state of the fifth slider 152 can be clamped and fixed under the elastic force of the third spring 155 and the friction force of the fixture blocks 154, the head of a detector can be placed on the spongy cushion 153, when the height of the spongy cushion 153 needs to be adjusted, the movable rod 156 is pushed to move forward to drive the fixture blocks 154 to be not contacted with the guide sleeve 151 any more, then the fifth slider 152 and the spongy cushion 153 are pushed to move up and down to be adjusted, the forward movement force applied to the movable rod 156 is stopped after the adjustment is finished, the third spring 155 is reset to drive the fixture blocks 154 to move backward through the movable rod 156 to reset, and then the force applied to the movable rod 156 is stopped, so that the adjusted state of the fifth slider 152 can be clamped and fixed to match the placement of the head.

The power supply device comprises a main frame 1, a power supply module, a switch power supply, a power supply main switch, a control box 2, a power supply module and a control module, wherein the control box 2 is arranged at the bottom of the inner wall of the main frame 1; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the starting switch 121, the first distance sensor 127, the second distance sensor 128, the third distance sensor 1210, the first pressure sensor 1451, the second pressure sensor 1452, the first travel switch 129, the second travel switch 1351 and the third travel switch 1352 are electrically connected with the control module, and the first electric push rod 1341, the second electric push rod 1342, the servo motor 123 and the electromagnet 142 are connected with the control module through peripheral circuits.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims (9)

1. A cornea three-dimensional detection device based on optical coherence elastography principle is characterized by comprising: a main frame (1), an on-off key (3), an imager (4), a conduit (5), a rubber pad (6), a lens (7), a display screen (8), a rotating mechanism (9), a sliding mechanism (10) and a width adjusting mechanism (11), main frame (1) upper portion is equipped with slide mechanism (10), be equipped with on slide mechanism (10) and start on & off switch (3), slide mechanism (10) internal sliding formula is equipped with imager (4), the last symmetry slidingtype of slide mechanism (10) is equipped with pipe (5), pipe (5) one side all is connected with rubber pad (6), rubber pad (6) inner wall all is equipped with lens (7), main frame (1) top one side is equipped with slewing mechanism (9), be connected with display screen (8) that show visible light image on slewing mechanism (9), be connected with on slide mechanism (10) and carry out width modulation mechanism (11) of adjusting according to eye distance length.

2. The apparatus for three-dimensional corneal examination based on the principle of optical coherence elastography as claimed in claim 1, wherein the rotating mechanism (9) comprises: the display screen comprises a first connecting rod (91), a hinged block (92), a first spring (93), a permanent magnet (94) and a limiting block (95), wherein the first connecting rod (91) is arranged on one side of the top of the main frame (1), the middle of the first connecting rod (91) is hinged to the hinged block (92), the first spring (93) is connected between the top of the hinged block (92) and the inner wall of the first connecting rod (91), 2 permanent magnets (94) used for fixing the display screen (8) are arranged on one side of the hinged block (92), and the limiting block (95) is arranged on one side of the main frame (1).

3. The apparatus for three-dimensional corneal examination based on the principle of optical coherence elastography as claimed in claim 2, wherein the sliding mechanism (10) comprises: sliding sleeve (101), first slider (102), first mounting bracket (103), second slider (104) and third slider (105), be connected with sliding sleeve (101) between main frame (1) lower part inner wall both sides, sliding sleeve (101) go up the gliding style and are equipped with first slider (102), first slider (102) one side is connected with first mounting bracket (103), first mounting bracket (103) top one side slidingtype is equipped with second slider (104), second slider (104) top slidingtype is equipped with third slider (105).

4. The apparatus for three-dimensional corneal examination based on the principle of optical coherence elastography as claimed in claim 3, wherein the width adjusting mechanism (11) comprises: pivot (111), first nut (112), connecting block (113) and knob (114), rotary type are equipped with pivot (111) between first mounting bracket (103) both sides, and the equal screw thread formula in pivot (111) both sides is equipped with first nut (112), and first nut (112) top all with be connected with connecting block (113) between close pipe (5), pivot (111) one side is equipped with knob (114).

5. The apparatus for three-dimensional corneal examination based on the optical coherence elastography principle as claimed in claim 4, further comprising a positioning mechanism (12), wherein the positioning mechanism (12) comprises: the automatic positioning device comprises a starting switch (121), a second mounting frame (122), a servo motor (123), a screw rod (124), a second nut (125), a second connecting rod (126), a first distance sensor (127), a second distance sensor (128), a first travel switch (129) and a third distance sensor (1210), wherein the starting switch (121) is arranged on one side of the top of the first mounting frame (103), the second mounting frame (122) is connected between two sides of the top of the first mounting frame (103), the servo motor (123) is arranged on one side of the inner wall of the second mounting frame (122), the screw rod (124) is rotatably arranged on the top of the inner wall of the second mounting frame (122), the second nut (125) is arranged on the screw rod (124) in a threaded mode, the second connecting rod (126) is arranged on the front side of the imager (4), the first distance sensor (127) is arranged on the top of a connecting block (113) on one side, the second distance sensor (128) is arranged on the top of the connecting block (113) on the other side, a first travel switch (129) is arranged on one side of the second mounting frame (122), and a third distance sensor (1210) is arranged on the other side of the second mounting frame (122).

6. The apparatus for three-dimensional corneal examination based on the optical coherence elastography principle as claimed in claim 5, further comprising a cover mechanism (13), wherein the cover mechanism (13) comprises: slide rail (131), fourth slider (132), dog (133), first electric putter (1341), second electric putter (1342), second travel switch (1351) and third travel switch (1352), be connected with slide rail (131) between first mounting bracket (103) lower part inner wall both sides, the symmetry slidingtype is equipped with fourth slider (132) on slide rail (131), be equipped with second electric putter (1342) on one side fourth slider (132), be equipped with first electric putter (1341) on opposite side fourth slider (132), the telescopic link top of first electric putter (1341) and second electric putter (1342) all is equipped with dog (133), be equipped with third travel switch (1352) on one side dog (133), be equipped with second travel switch (1351) on opposite side dog (133).

7. The corneal three-dimensional inspection device based on the optical coherence elastography principle as claimed in claim 6, further comprising a magnetic attraction mechanism (14), wherein the magnetic attraction mechanism (14) comprises: installation piece (141), electro-magnet (142), second spring (143), first telescopic link (1441), second telescopic link (1442), first pressure sensor (1451) and second pressure sensor (1452), third slider (105) bottom one side is equipped with installation piece (141), second slider (104) top one side is equipped with electro-magnet (142), symmetrical connection has second spring (143) between third slider (105) and second slider (104) inner wall, be equipped with second pressure sensor (1452) on one side fourth slider (132), be equipped with first pressure sensor (1451) on opposite side fourth slider (132), the bottom slidingtype of one side dog (133) is equipped with second telescopic link (1442), the bottom slidingtype of opposite side dog (133) is equipped with first telescopic link (1441).

8. The apparatus for three-dimensional corneal examination based on the optical coherence elastography principle as claimed in claim 7, further comprising a support mechanism (15), wherein the support mechanism (15) comprises: guide pin bushing (151), fifth slider (152), foam-rubber cushion (153), fixture block (154), third spring (155) and movable rod (156), main frame (1) top one side is equipped with guide pin bushing (151), guide pin bushing (151) lower part slidingtype is equipped with movable rod (156), movable rod (156) one side is equipped with 2 fixture blocks (154), guide pin bushing (151) one side slidingtype is equipped with fifth slider (152), fifth slider (152) top is equipped with foam-rubber cushion (153), equal longitudinal symmetry is connected with third spring (155) between fixture block (154) and fifth slider (152).

9. The cornea three-dimensional detection device based on the optical coherence elastography principle as claimed in claim 8, further comprising a control box (2), wherein the control box (2) is arranged at the bottom of the inner wall of the main frame (1), a switching power supply, a power supply module and a control module are arranged in the control box (2), the switching power supply supplies power to the whole device, the output end of the switching power supply is electrically connected with the power supply module, the power supply module is connected with a power supply main switch through a circuit, and the power supply module is electrically connected with the control module; the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the starting switch (121), the first distance sensor (127), the second distance sensor (128), the third distance sensor (1210), the first pressure sensor (1451), the second pressure sensor (1452), the first travel switch (129), the second travel switch (1351) and the third travel switch (1352) are electrically connected with the control module, and the first electric push rod (1341), the second electric push rod (1342), the servo motor (123) and the electromagnet (142) are connected with the control module through peripheral circuits.

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