CN111227783A

CN111227783A - Optical system of computer optometry instrument and optometry method

Info

Publication number: CN111227783A
Application number: CN202010140248.3A
Authority: CN
Inventors: 吴义清; 王继帅; 刘建初; 吴凡
Original assignee: Anhui Jumu Optical Technology Development Co Ltd
Current assignee: Anhui Jumu Optical Technology Development Co Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-06-05

Abstract

The invention belongs to the technical field of visual optical imaging measurement, in particular to an optical system of a computer optometry instrument and an optometry method, wherein the optometry instrument used in the optometry method comprises an optometry seat, a power base and an adjusting bracket, and an optometry device is fixedly connected to the position, close to the front end face of the optometry seat, of the upper surface of the optometry seat; the rear end face of the optometry unit is fixedly connected with a display screen at a position close to the upper surface of the optometry unit; the upper surface of the optometry seat is fixedly connected with an operating rod at the rear position of the optometry device; a lens is fixedly connected to the front end face of the optometry device at a position close to the upper surface of the optometry device; the front end face of the optometry seat is fixedly connected with a power base; the upper surface of the power base is connected with an adjusting bracket in a left-right sliding manner; the invention effectively reduces the shaking problem of the core part of the optometry instrument, meets the effective limitation in optometry, avoids the problem of personnel movement in optometry, and thereby prolongs the service life of the optometry instrument.

Description

Optical system of computer optometry instrument and optometry method

Technical Field

The invention belongs to the technical field of visual optical imaging measurement, and particularly relates to an optical system of a computer optometry instrument and an optometry method.

Background

The optometry is to examine the convergence of light after entering the eyeball, and measures the convergence difference degree between the examined eye and the emmetropia eye by taking the emmetropia eye state as a standard, and since many people almost come into contact with the glasses in a lifetime, optometry is one of the most basic, common and important work of optometry workers, so that the optometry is well known to both ophthalmologists and common people in social life.

Among the prior art, the precision and the life of optometry appearance are influenced in optometry appearance global movement regulation, and when the optometry appearance carried out global adjustment simultaneously, the people can make the adjustment because of instinctive action, worry that the machine can touch eyes, and when examining children, children hardly accomplished the initiative cooperation, easily rocked, the inaccurate scheduling problem in location.

In view of the above, in order to overcome the above technical problems, the present inventors have designed and developed an optical system and an optometry method of a computer optometry apparatus, which solve the above technical problems.

Disclosure of Invention

The invention provides an optical system of a computer optometry instrument and an optometry method, aiming at overcoming the defects of the prior art and solving the problems that the whole movement and adjustment of the optometry instrument influence the precision and the service life of the optometry instrument, and meanwhile, when the optometry instrument is wholly adjusted, people can make adjustment due to the instinctive action, worry that a machine can touch eyes, and when children are detected, the children are difficult to actively cooperate, are easy to shake, are inaccurate in positioning and the like.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an optometry method of a computer optometry instrument, which comprises the following steps:

s1: firstly, a detector inquires a detected person to know basic information of the detected person, then the basic information of the detected person is input into a server of a service terminal, and simultaneously, a CMOS image collector can automatically collect images of the detected person and transmit the image information to the server; through inquiry of the detection personnel, the sex and age of the detected personnel and information such as astigmatism or other disease histories of eyes can be accurately known, and the information can be accurately input into the server through the touch screen to be used as a basic condition for detection, so that the optometry instrument can be used for pertinently carrying out mode adjustment and detection.

S2: the information is sent to a processor in the control terminal through the server, then induction processing is carried out on the received information through the processor, and then the processed information is sent to the optometry terminal; the processor of the control terminal can quickly and effectively sort and summarize a large amount of input information and convert the information into standard information which can be recognized by a system, so that the information can be directly and correspondingly processed in the following.

S3: the method comprises the steps that received information is processed through a preset module in an optometry terminal, reference data are provided, an execution module is controlled to automatically switch a corresponding optometry service range, a movement mechanism of an optometry instrument is controlled at the same time, the optometry instrument is adjusted, so that a person to be inspected can accurately move to a specified detection position, and meanwhile, the person to be inspected is automatically inquired through a voice device in a voice module and relevant operation guiding work is carried out; through the treater in the optometry terminal with standard information transmission give optometry terminal, can directly correspond standard information with the reference standard data in the database through predetermined module in the optometry terminal, and quick automatic switch-over standard that resets, with the specific needs of adaptation different people, can adjust the motion of optometry appearance simultaneously, with the basic demand that adapts to the optometry position, can go on further information acquisition through voice module simultaneously, can make corresponding operation guidance work simultaneously, the detection of the detection personnel of being convenient for, also be convenient for simultaneously to be carried out corresponding cooperation adjustment by the detection personnel.

S4: finally, starting a laser tube of the optometry instrument to emit laser through the optometry module, continuously adjusting imaging by the fog type system, reflecting eye conditions of detected personnel to the array system, processing eye information, and automatically generating detection data; through the optometry module, can carry out specific optometry operation, through laser pipe reflection laser to carry out automatic imaging through fog formula system and adjust, can catch the detected personnel eye reverberation through array system simultaneously, handle eye information with the quick, realize the derivation of visual detection information.

The optometry instrument in the S3 comprises an optometry seat, a power base and an adjusting bracket; the optometry seat is designed to be of a cuboid structure, and the rear end face of the optometry seat is designed to be an arc-shaped face; the upper surface of the optometry seat is fixedly connected with an optometry device at a position close to the front end surface of the optometry seat; the rear end face of the optometry unit is fixedly connected with a display screen at a position close to the upper surface of the optometry unit; the upper surface of the optometry seat is fixedly connected with an operating rod at the rear position of the optometry device; a lens is fixedly connected to the front end face of the optometry device at a position close to the upper surface of the optometry device; the front end face of the optometry seat is fixedly connected with a power base; the upper surface of the power base is connected with an adjusting bracket in a left-right sliding manner; the adjusting bracket is designed to be of a U-shaped structure, and supporting rods are arranged on the left side and the right side of the adjusting bracket; the side surfaces of the opposite sides of the two support rods are fixedly connected with the same support connecting rod at the middle position of the support rods; the positions of the side surfaces of the two opposite sides of the support rods, which are close to the upper end surfaces of the support rods, are fixedly connected with the same mirror frame, the mirror eye sockets of the mirror frame are designed into a circular structure, and the central point of the mirror frame and the central point of the lens are positioned on the same axis; the left side and the right side of the spectacle frame are provided with supporting legs; the same tightening belt is fixedly connected between the two support legs at the front end face of each support leg; when the eye examination device works, when the eye examination of an optometrist is needed, firstly, the optometry instrument is needed to be used for detection, the existing optometry instrument needs to be placed above a chin rest by the optometrist, the eyes of the optometrist are tightly attached to the lens, but the optometry instrument is integrally moved and adjusted by operating the operating rod by the optometrist, so that the eyes of the optometrist are completely in a detection area, on one hand, the integral movement of the optometry instrument easily enables the precision instrument inside the optometry instrument to be in a shaking state frequently, the precision and the service life of the optometry instrument are influenced, on the other hand, when the optometry instrument is integrally adjusted, the adjustment is carried out by a person due to instinct, the position correspondence of the eyes and the lens is influenced, particularly children are difficult to actively cooperate, and the optometry instrument does not shake, therefore, in order to solve the problems, the eye examination device slides left on the upper surface, then the support rod is driven to move left and right, the support rod further drives the moving adjustment of the mirror bracket, so that the mirror frame of the mirror bracket can accurately correspond to the position right in front of the lens, then a person to be detected can place the head inside the mirror bracket, meanwhile, the support rod is basically fixed through the support leg, the head of the person is fixed through a tightening belt connected behind the support leg, at the moment, the eyes of the person can accurately correspond to the two mirror frame positions of the mirror bracket, the detection of the first eye is carried out, after the detection of the first eye is completed, the adjusting support can be moved left and right, so that the other mirror frame is just opposite to the lens, the other eye is aligned with the lens, so as to realize the rapid detection, through the optometry method of the computer optometry instrument, the problem that the precision and the service life of the optometry instrument are influenced by the integral moving adjustment of the optometry, the people can make the adjustment because instinctive action, worry that the machine can touch eyes, and when examining children, children hardly accomplish initiative cooperation, easily rock, fix a position inaccurate scheduling problem, when effectual realized eyes optometry, to the accurate fixed positioning by optometry personnel, has reduced the problem of rocking that the human factor leads to, reduces rocking of optometry appearance core component to the life of optometry appearance has been improved.

Preferably, the two support rods and the support connecting rod are internally provided with the same cavity together; a rotating column is rotatably connected inside the cavity; the right-handed thread is arranged at the position, close to the right side end face of the rotating column, of the outer arc surface of the rotating column; the left-handed thread is arranged on the outer arc surface of the rotating column and close to the left end face of the rotating column; the right-handed thread surface of the rotating column is in threaded connection with a first moving ring; the surface of the left-hand thread of the rotating column is in threaded connection with a second moving ring; the front end surfaces of the supporting rod and the supporting connecting rod are provided with the same first guide hole at the position of the first moving ring; the front end surfaces of the support rod and the support connecting rod are provided with the same second guide hole at the position of the second moving ring; a first connecting block is fixedly connected to the front position of the first movable ring, penetrates through the first guide hole and extends to the front position of the support connecting rod; the front end face of the first connecting block is fixedly connected with a first connecting rod, and the position, close to the upper end face of the first connecting rod, of the front end face of the first connecting rod is fixedly connected with the supporting leg; a second connecting block is fixedly connected to the front position of the second moving ring, penetrates through the second guide hole and extends to the front position of the support connecting rod; the front end face of the second connecting block is fixedly connected with a second connecting rod, and the position, close to the upper end face of the second connecting rod, of the front end face of the second connecting rod is fixedly connected with the supporting leg; the during operation, when testing light to the crowd of difference, because everybody's face type is different, and then require differently to the width between the landing leg of wearing, adaptability and use width in order to further heighten the landing leg, when the people arranges the mirror holder in, to face type broad crowd, can produce outside pressure to the landing leg, under this pressure condition, the landing leg can drive the first connecting rod and the second connecting rod left and right sides direction removal that corresponds, first connecting rod and second connecting rod are owing to respectively through first connecting block and second connecting block and rotation post threaded connection, and the connection position is right-handed screw thread and left-handed screw thread respectively, consequently, can drive the dwang simultaneously and rotate, realize the equidistance and remove, the atress is uneven about having avoided the landing leg, the migration distance difference leads to being tested light personnel location skew problem, moreover, the steam generator is simple in structure, high practicability.

Preferably, the adjusting bracket is provided with a first sliding chute at the lower end face of the first connecting rod, and the first connecting rod is connected in the first sliding chute in a sliding manner; the adjusting bracket is provided with a second sliding chute at the lower end face of the second connecting rod, and the second connecting rod is connected in the second sliding chute in a sliding manner; the adjusting bracket is provided with through holes which are communicated left and right at the positions of the first sliding chute and the second sliding chute; a spring is fixedly connected between the first connecting rod and the second connecting rod at the inner position of the through hole; during operation, for the interference of further reducing the artificial production of rocking, everybody detects simultaneously and can realize landing leg automatic re-setting after accomplishing to the next optometry personnel of better service, through position coupling spring between first connecting rod and second connecting rod, through the pulling force effect of spring, can tighten up fixedly to both sides about optometry personnel on the one hand, it is not hard up about having avoided the landing leg, everybody detects simultaneously and accomplishes the back, and the landing leg all can reset fast.

Preferably, the front end surfaces of the two mirror frames of the mirror bracket are fixedly connected with a lens frame at the position below the mirror frames; the during operation, after detecting through the refractometer, before making glasses, still need to wear glasses and try glasses, in order to wear glasses personnel to carry out ultimate adaptation to detect to needs, avoid wearing glasses personnel and appear dizzy sense, among the prior art, all make a public mirror holder specially, through the effect of installing different lenses in order to reach appointed number of degrees on public mirror holder, but everyone's needs the size of mirror holder is different on the one hand, need do the workstation in addition simultaneously, in order to realize the effect of mirror holder multipurpose, through linking firmly the lens frame at the terminal surface of mirror holder, can be directly with the lens direct mount of standard on the lens frame, then through will adjusting the support and remove the right side position realization and can carry out quick sight glass effect, the easy lost problem of public mirror holder has also been avoided.

Preferably, a moving groove which is communicated left and right is formed in the power base; the inner part of the moving groove is connected with a sliding block in a left-right sliding manner, and the cross section of the sliding block is designed into an L-shaped structure; the front end surface of the sliding block is fixedly connected with a first rack close to the lower surface of the sliding block; the front end surface of the sliding block is fixedly connected with a second rack close to the upper surface of the sliding block; a power groove is formed in the power base above the rack; a driving rod and a driven rod are rotatably connected inside the power groove; the outer arc surface of the driving rod is fixedly connected with two driving gears, and the diameter of the driving gear at the upper position is smaller than that of the driving gear at the lower position; the outer arc surface of the driven rod is fixedly connected with a driven gear, and the diameter of the driven gear at the upper position is larger than that of the driven gear at the lower position; the first rack and the driving gear at the lower position are meshed with the driven gear at the lower position; the second rack and the driving gear at the upper position are meshed with the driven gear at the upper position; the lower surface of the power groove is fixedly connected with a motor at the position of the driving rod; an output shaft of the motor is fixedly connected with a telescopic rod, and a piston rod of the telescopic rod is fixedly connected with the lower end face of the driving rod; when the device works, because the required positioning precision is higher when the tested personnel is detected by the optometry instrument, and the required position precision is lower when the test is performed, and the position distance of the two modes of the adjusting bracket is longer, if a fine adjustment mode is comprehensively adopted, on one hand, the cost is higher, and on the other hand, the left-right movement speed of the adjusting bracket is lower, therefore, in order to meet the different requirements of the two modes, the first rack and the second rack are arranged, the two driving gears and the two driven gears are simultaneously arranged, the engagement of different gear sets can be realized through the telescopic rod, when the telescopic rod extends out, the engagement between the small driving gear and the large driven gear can be realized, and the same end distance of the movement of the adjusting bracket needs more rotating turns of the driving shaft, so that the movement precision is higher, and the engagement between the large driving gear and the small driven gear, therefore, the adjusting support moves the same one end distance and needs the driving shaft to rotate less turns, so that the moving precision is lower, the motor rotates to drive the driving shaft to rotate, and then the driving gear rotates, the driving gear further drives the driven gear to rotate, the rack can be driven to move left and right through the driven gear, and then the left and right movement adjustment of the adjusting support is driven, the telescopic rod stretches out and draws back, the quick adjustment of the high and low moving precision can be realized, the production cost is reduced, and meanwhile, the working efficiency is also improved.

Preferably, the power base is provided with a mounting hole above the driven rod; the inside of the mounting hole is fixedly connected with an air cylinder; the lower end face of a piston rod of the air cylinder is fixedly connected with a limiting pin; the upper end surface of the driven rod is provided with a limiting hole, and the limiting pin is matched with the limiting hole; during operation, the piston rod through the cylinder is flexible can drive the spacer pin and peg graft in the spacing downthehole of driven lever, through being polygonized structure with spacer pin and spacing design of hole, the spacer pin can carry out the position to the driven lever and prescribe a limit to, can prevent on the one hand that this optometry appearance from adjusting the support and controlling the drunkenness in handling, leads to the motion impaired, on the other hand limiting displacement can avoid when optometry, and the people results in appearing removing between the regulation for the factor of touching, influences the precision of focusing, simple structure.

An optical system of a computer optometry instrument comprises a control terminal, a service terminal and an optometry terminal;

the control terminal comprises a controller, a light inspection terminal and a display terminal, wherein the controller is used for carrying out induction processing on the information stored in the server by the CMOS image collector and then sending the processed information to the light inspection terminal;

the service terminal comprises a server, a controller and a control terminal, wherein the server is used for storing basic information of a detected person, storing image information for automatically collecting images of the detected person through a CMOS image collector and sending the image information to the controller of the control terminal;

the optometry terminal comprises a predetermined module, a voice module, an execution module and an optometry module;

the predetermined module is used for processing the information after the induction processing of the controller, providing reference data and sending the reference information to the execution module;

the voice module comprises a voice device which is used for automatically inquiring the detected personnel and guiding the related operation;

the execution module is used for automatically switching the corresponding optometry service range according to the reference information provided by the preset module, and simultaneously controlling the movement mechanism of the optometry instrument to adjust the optometry instrument so that the person to be inspected can accurately move to the specified detection position;

the optometry module is used for starting an optometry instrument laser tube to emit laser, meanwhile, the fog type system continuously adjusts imaging, eye conditions of detected personnel are reflected to the array system, eye information is processed, and detection data are automatically generated.

The invention has the following beneficial effects:

1. the invention relates to an optical system of a computer optometry instrument and an optometry method, the optometry instrument used in the optometry method is fixedly connected with an optometry instrument through the position of the upper surface of the optometry seat close to the front end surface of the optometry seat, the position of the rear end surface of the optometry instrument close to the upper surface of the optometry instrument is fixedly connected with a display screen, the upper surface of the optometry seat is fixedly connected with an operating rod at the rear position of the optometry instrument, the position of the front end surface of the optometry instrument close to the upper surface of the optometry instrument is fixedly connected with a lens, the front end surface of the optometry seat is fixedly connected with a power base, and the upper surface of the power base is connected with an adjusting bracket in a left-right sliding manner, so that the problems that the precision and the service life of the optometry instrument are influenced by the integral movement adjustment of the optometry instrument in the prior art are solved, and meanwhile, when the optometry instrument is integrally adjusted, a person can make adjustment due to the instinct, children hardly accomplish the initiative cooperation, easily rock, fix a position inaccurate scheduling problem, when effectual realized eyes optometry, to the accurate fixed positioning by optometry personnel, reduced the problem of rocking that the human factor leads to, reduce rocking of optometry appearance core component to the life of optometry appearance has been improved.

2. The invention relates to an optical system of a computer optometry instrument and an optometry method, the optometry instrument used in the optometry method is provided with a driving gear, a driven gear, a first rack and a second rack, a moving groove which is communicated from left to right is arranged in a power base, the inside of the moving groove is connected with a sliding block in a left-right sliding way, the front end surface of the sliding block is fixedly connected with the first rack at the position close to the lower surface of the sliding block, the front end surface of the sliding block is fixedly connected with the second rack at the position close to the upper surface of the sliding block, a power groove is arranged in the power base at the position above the rack, the inside of the power groove is rotatably connected with a driving rod and a driven rod, the outer cambered surface of the driving rod is fixedly connected with two driving gears, the diameter of the driving gear at the upper position is smaller than that of the driving gear at the lower position, the outer cambered surface of the driven, the first rack and the driving gear at the lower position are meshed with the driven gear at the lower position, and the second rack and the driving gear at the upper position are meshed with the driven gear at the upper position; different gear sets can be meshed through the telescopic rod, when the telescopic rod extends out, the small driving gear and the large driven gear can be meshed, the distance between the same moving end of the adjusting support and the rotation number of the driving shaft is more, the moving precision is higher, the meshing between the large driving gear and the small driven gear can be realized through the inward contraction of the telescopic rod, the distance between the same moving end of the adjusting support and the rotation number of the driving shaft is less, the moving precision is lower, the motor can drive the driving shaft to rotate, the driving gear can drive the driving gear to rotate, the driving gear can drive the driven gear to rotate, the rack can be driven to move left and right through the driven gear, the left and right movement adjustment of the adjusting support is further driven, the quick adjustment of the high and low moving precision can be realized through the expansion and contraction of the telescopic, the working efficiency is also improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a flow chart of the optometry method of the present invention;

FIG. 2 is a perspective view of an optometer used in the present invention;

FIG. 3 is a perspective view of the drive mechanism of an optometer for use with the present invention;

FIG. 4 is a perspective view of a fixture for an optometer used in the present invention;

FIG. 5 is a perspective view of the frame of an optometer used in the present invention;

FIG. 6 is a main block diagram of the optical system of the computer refractometer according to the present invention;

in the figure: the optometry unit comprises an optometry seat 1, an optometry device 11, a display screen 12, an operating rod 13, a lens 14, a power base 2, a sliding block 21, a first rack 22, a second rack 23, a driving rod 24, a driven rod 25, a driving gear 26, a driven gear 27, a motor 28, a telescopic rod 29, a limiting pin 210, an adjusting bracket 3, a lens frame 31, a tightening belt 32, a rotating column 33, a first moving ring 34, a second moving ring 35, a first connecting rod 36, a second connecting rod 37, a spring 38 and a lens frame 39.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the optometry method of the computer optometry unit according to the present invention includes the following steps:

The optometry instrument in the S3 comprises an optometry seat 1, a power base 2 and an adjusting bracket 3; the optometry seat 1 is designed to be of a cuboid structure, and the rear end face of the optometry seat 1 is designed to be an arc-shaped face; the upper surface of the optometry seat 1 is fixedly connected with an optometry device 11 at a position close to the front end surface of the optometry seat 1; a display screen 12 is fixedly connected to the rear end face of the optometry unit 11 at a position close to the upper surface of the optometry unit 11; the upper surface of the optometry seat 1 is fixedly connected with an operating rod 13 at the rear position of the optometry device 11; a lens 14 is fixedly connected to the front end face of the optometry unit 11 at a position close to the upper surface of the optometry unit 11; the front end face of the optometry seat 1 is fixedly connected with a power base 2; the upper surface of the power base 2 is connected with an adjusting bracket 3 in a left-right sliding manner; the adjusting bracket 3 is designed to be of a U-shaped structure, and supporting rods are arranged on the left side and the right side of the adjusting bracket; the side surfaces of the opposite sides of the two support rods are fixedly connected with the same support connecting rod at the middle position of the support rods; the positions of the side surfaces of the two opposite sides of the support rods, which are close to the upper end surfaces of the support rods, are fixedly connected with the same mirror frame 31, mirror rims of the mirror frame 31 are designed into a circular structure, and the center point of the mirror frame and the center point of the lens 14 are located at the same axial line position; the left side and the right side of the mirror bracket 31 are both provided with supporting legs; the same tightening belt 32 is fixedly connected between the two support legs at the front end face positions of the support legs; when the eye examination device works, when the eye examination of an optometrist is needed, firstly, the optometry instrument is needed to be used for detection, the existing optometry instrument needs to be placed above a chin rest by the optometrist, the eyes of the optometrist are tightly attached to the lens 14, but the optometrist operates the operating rod 13 to carry out the integral movement adjustment of the optometry instrument, so that the eyes of the optometrist are completely in a detection area, on one hand, the integral movement of the optometry instrument is easy to enable the precision instrument inside the optometry instrument to be in a shaking state frequently, the precision and the service life of the optometry instrument are influenced, on the other hand, when the optometry instrument is integrally adjusted, a person can adjust due to instinct, the position correspondence of the eyes and the lens 14 is influenced, particularly children are difficult to realize the active matching, and the optometry instrument does not shake, therefore, in order to solve the problems, the adjusting support 3 slides left and right on the upper, then the support rod is driven to move left and right, the support rod further drives the moving adjustment of the mirror bracket 31, so that the mirror frame of the mirror bracket 31 can accurately correspond to the position right in front of the lens 14, then a person to be tested can place the head inside the mirror bracket 31, meanwhile, the support leg is basically fixed, the head of the person is fixed through the tightening belt 32 connected with the rear part of the support leg, at the moment, the eyes of the person can accurately correspond to the two mirror frame positions of the mirror bracket 31, the detection of the first eye is carried out, after the detection of the first eye is finished, the adjusting support 3 can be moved left and right, so that the other mirror frame is opposite to the lens 14, the other eye is aligned to the lens 14, so as to realize the rapid detection, through the optometry method of the computer optometry instrument, the problem that the precision and the service life of the optometry instrument are influenced by the integral moving adjustment of the optometry instrument, the people can make the adjustment because instinctive action, worry that the machine can touch eyes, and when examining children, children hardly accomplish initiative cooperation, easily rock, fix a position inaccurate scheduling problem, when effectual realized eyes optometry, to the accurate fixed positioning by optometry personnel, has reduced the problem of rocking that the human factor leads to, reduces rocking of optometry appearance core component to the life of optometry appearance has been improved.

As an embodiment of the invention, the two support rods and the support connecting rod are provided with a same cavity; a rotating column 33 is rotatably connected inside the cavity; a right-hand thread is arranged on the outer arc surface of the rotating column 33 at a position close to the right end surface of the rotating column 33; the left-handed thread is arranged on the outer arc surface of the rotating column 33 close to the left end surface of the rotating column 33; a first moving ring 34 is connected to the right-hand thread surface of the rotating column 33 in a threaded manner; the left-handed thread surface of the rotating column 33 is in threaded connection with a second moving ring 35; the front end surfaces of the support rod and the support connecting rod are provided with the same first guide hole at the position of the first moving ring 34; the front end surfaces of the support rod and the support connecting rod are provided with a same second guide hole at the position of the second movable ring 35; a first connecting block is fixedly connected to the front position of the first moving ring 34, penetrates through the first guide hole and extends to the front position of the support connecting rod; the front end face of the first connecting block is fixedly connected with a first connecting rod 36, and the position, close to the upper end face of the first connecting rod 36, of the front end face of the first connecting rod 36 is fixedly connected with the supporting leg; a second connecting block is fixedly connected to the front position of the second moving ring 35, penetrates through the second guide hole and extends to the front position of the support connecting rod; the front end face of the second connecting block is fixedly connected with a second connecting rod 37, and the position, close to the upper end face of the second connecting rod 37, of the front end face of the second connecting rod 37 is fixedly connected with the supporting leg; the during operation, when testing light to the crowd of difference, because everybody's face type is different, and then require differently to the width between the landing leg of wearing, in order to further heighten the adaptability and the use width of landing leg, when the people arranges the mirror holder 31 in, to face type broad crowd, can produce outside pressure to the landing leg, under this pressure condition, the landing leg can drive the first connecting rod 36 and the second connecting rod 37 left and right sides direction removal that corresponds, first connecting rod 36 and second connecting rod 37 are owing to pass through first connecting block and second connecting block and rotation post 33 threaded connection respectively, and the connection position is right-handed screw and left-handed screw respectively, consequently, can drive the dwang simultaneously and rotate, realize the equidistance and remove, the atress is uneven about having avoided the landing leg, the migration distance difference leads to being tested light personnel location skew problem, moreover, the steam generator is simple in structure, high practicability.

As an embodiment of the present invention, the adjusting bracket 3 is provided with a first sliding slot at a lower end surface of the first connecting rod 36, and the first connecting rod 36 is slidably connected in the first sliding slot; a second sliding groove is formed in the lower end face of the second connecting rod 37 of the adjusting bracket 3, and the second connecting rod 37 is connected in the second sliding groove in a sliding manner; the adjusting bracket 3 is provided with through holes which are communicated left and right at the positions of the first sliding chute and the second sliding chute; a spring 38 is fixedly connected between the first connecting rod 36 and the second connecting rod 37 at the inner position of the through hole; during operation, for the interference of further reducing the artificial production of rocking, everybody detects simultaneously and can realize landing leg automatic re-setting after accomplishing to the next optometry personnel of better service, through position connecting spring 38 between first connecting rod 36 and second connecting rod 37, through the pulling force effect of spring 38, can tighten up fixedly to both sides about optometry personnel on the one hand, it is not hard up about having avoided the landing leg, everybody detects simultaneously and accomplishes the back, and the landing leg can all reset fast.

As an embodiment of the present invention, the front end surfaces of the two lens frames of the lens holder 31 are fixedly connected with a lens frame 39 at the positions below the lens frames; during operation, after detecting through the refractometer, before making glasses, still need to wear glasses and try the mirror, in order to wear glasses personnel to carry out ultimate adaptation and detect to needs, avoid wearing glasses personnel and appear dizzy sense, among the prior art, all make a public mirror holder 31 specially, through installing different lenses in order to reach the effect of appointed number of degrees on public mirror holder 31, but the size of needs mirror holder 31 of everyone on the one hand is different, need do the workstation in addition simultaneously, in order to realize the effect of 31 multipurpose of mirror holder, through linking firmly lens frame 39 at the terminal surface of mirror holder 31, can be directly with the lens direct mount of standard on lens frame 39, then realize carrying out quick sight glass effect through removing adjusting bracket 3 to the right side position, the easy problem of losing of public mirror holder 31 has also been avoided.

As an embodiment of the present invention, a moving groove penetrating left and right is formed in the power base 2; a sliding block 21 is connected inside the moving groove in a left-right sliding manner, and the cross section of the sliding block 21 is designed into an L-shaped structure; a first rack 22 is fixedly connected to the front end surface of the sliding block 21 close to the lower surface of the sliding block 21; a second rack 23 is fixedly connected to the front end surface of the sliding block 21 close to the upper surface of the sliding block 21; a power groove is formed in the power base 2 above the rack; a driving rod 24 and a driven rod 25 are rotatably connected inside the power groove; the outer arc surface of the driving rod 24 is fixedly connected with two driving gears 26, and the diameter of the driving gear 26 at the upper position is smaller than that of the driving gear 26 at the lower position; the outer arc surface of the driven rod 25 is fixedly connected with a driven gear 27, and the diameter of the driven gear 27 at the upper position is larger than that of the driven gear 27 at the lower position; the first rack 22 and the driving gear 26 at the lower position are meshed with the driven gear 27 at the lower position; the second rack 23 and the driving gear 26 at the upper position are meshed with the driven gear 27 at the upper position; the lower surface of the power groove is fixedly connected with a motor 28 at the position of the driving rod 24; an output shaft of the motor 28 is fixedly connected with a telescopic rod 29, and a piston rod of the telescopic rod 29 is fixedly connected with the lower end face of the driving rod 24; when the device works, because the required positioning precision is higher when the tested person is tested by the optometry instrument, and the required position precision is lower when the test is performed, and the position distance of the two modes of the adjusting bracket 3 is longer, if a fine adjustment mode is comprehensively adopted, on one hand, the cost is higher, and on the other hand, the left-right movement speed of the adjusting bracket 3 is lower, therefore, in order to meet the different requirements of the two modes, the engagement between the small driving gear 26 and the large driven gear 27 can be realized by arranging the first rack 22 and the second rack 23 and simultaneously arranging the two driving gears 26 and the two driven gears 27 through the telescopic rod 29 when the telescopic rod 29 extends out, and the engagement between the small driving gear 26 and the large driven gear 27 can be realized, so that the driving shaft needs more rotating circles when the same end distance of the adjusting bracket 3 is moved, the moving precision is, can realize the meshing between big driving gear 26 and the little driven gear 27, consequently it needs driving shaft pivoted number of turns less to adjust the same one end distance of support 3 removal, and then it is more end to remove the precision, motor 28 rotates and can drive the driving shaft and rotate, and then drive driving gear 26 and rotate, driving gear 26 and then drive driven gear 27 and rotate, can drive the rack through driven gear 27 and remove about, and then the regulation is removed about driving support 3, through the flexible of telescopic link 29, can realize the quick adjustment of high low removal precision, when having reduced manufacturing cost, work efficiency has also been improved.

As an embodiment of the present invention, the power base 2 is provided with a mounting hole at a position above the driven rod 25; the inside of the mounting hole is fixedly connected with an air cylinder; the lower end face of the piston rod of the cylinder is fixedly connected with a limit pin 210; a limiting hole is formed in the upper end face of the driven rod 25, and the limiting pin 210 is matched with the limiting hole; the during operation, the piston rod through the cylinder is flexible can drive spacer pin 210 and peg graft in driven lever 25's spacing downthehole, through being polygonized structure with spacer pin 210 and spacing design of hole, spacer pin 210 can carry out the position to driven lever 25 and prescribe a limit to, can prevent this optometry appearance on the one hand and adjust about support 3 drunkenness in handling, lead to the motion mechanism impaired, on the other hand limiting displacement can avoid when examining the light, the artificial factor of touching leads to appearing removing between the regulation, the precision of focusing is influenced, moreover, the steam generator is simple in structure.

The specific working process is as follows:

when the device works, the adjusting support 3 slides left and right on the upper surface of the power base 2 to drive the supporting rods to move left and right, the supporting rods further drive the lens frame 31 to move and adjust, so that the lens frame of the lens frame 31 can accurately correspond to the position right in front of the lens 14, then a person to be tested can place the head inside the lens frame 31, meanwhile, the supporting legs are basically fixed, the head of the person can be fixed through the tightening belts 32 connected to the rear parts of the supporting legs, at the moment, the eyes of the person can accurately correspond to the positions of the two lens frames of the lens frame 31, the detection of a first eye is carried out, after the detection of the first eye is finished, the adjusting support 3 can be moved left and right, so that the other lens frame is right opposite to the lens 14, and the other eye is; when a person is placed in the mirror bracket 31, the person with a wide face can generate outward pressure on the support legs, under the pressure condition, the support legs can drive the corresponding first connecting rod 36 and the second connecting rod 37 to move in the left-right direction, the first connecting rod 36 and the second connecting rod 37 are in threaded connection with the rotating column 33 through the first connecting block and the second connecting block respectively, and the connecting parts are right-handed threads and left-handed threads respectively, so that the rotating rod can be driven to rotate simultaneously, equidistant movement is realized, and the problem of positioning offset of optometrists caused by uneven left-right stress of the support legs and different moving distances is solved; by connecting the spring 38 between the first connecting rod 36 and the second connecting rod 37 and under the action of the pulling force of the spring 38, on one hand, the left side and the right side of the tested person can be tightened and fixed, so that the left side and the right side of the supporting leg are prevented from loosening, and meanwhile, the supporting leg can be quickly reset after each person finishes detection; by fixedly connecting the lens frame 39 to the end face of the lens frame 31, a standard lens can be directly mounted on the lens frame 39, and then the quick sight glass effect can be realized by moving the adjusting bracket 3 to the right position; by arranging the first rack 22 and the second rack 23 and simultaneously arranging the two driving gears 26 and the two driven gears 27, different gear sets can be meshed through the telescopic rod 29, when the telescopic rod 29 extends out, the meshing between the small driving gear 26 and the large driven gear 27 can be realized, and then more driving shaft rotating turns are needed for adjusting the same moving end distance of the support 3, and the moving precision is higher, and the meshing between the large driving gear 26 and the small driven gear 27 can be realized through the retraction of the telescopic rod 29, so that fewer driving shaft rotating turns are needed for adjusting the same moving end distance of the support 3, and the moving precision is lower, the motor 28 can drive the driving shaft to rotate, and further drive the driving gear 26 to rotate, the driving gear 26 further drives the driven gear 27 to rotate, and the rack can be driven to move left and right through the driven gear 27, further driving the adjusting bracket 3 to move left and right for adjustment, and realizing rapid adjustment of high and low moving precision through the extension and retraction of the telescopic rod 29; the piston rod of the cylinder can stretch out and draw back and can drive the limit pin 210 to be inserted in the limit hole of the driven rod 25, and the limit pin 210 can limit the position of the driven rod 25 by designing the limit pin 210 and the limit hole into a polygonal structure.

While there have been shown and described what are at present considered the fundamental principles of the invention, its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. An optometry method of a computer optometry instrument is characterized in that: the method comprises the following steps:

s1: firstly, a detector inquires a detected person to know basic information of the detected person, then the basic information of the detected person is input into a server of a service terminal, and simultaneously, a CMOS image collector can automatically collect images of the detected person and transmit the image information to the server;

s2: the information is sent to a controller in the control terminal through the server, then the received information is induced and processed through the controller, and then the processed information is sent to the optometry terminal;

s3: the method comprises the steps that received information is processed through a preset module in an optometry terminal, reference data are provided, an execution module is controlled to automatically switch a corresponding optometry service range, a movement mechanism of an optometry instrument is controlled at the same time, the optometry instrument is adjusted, so that a person to be inspected can accurately move to a specified detection position, and meanwhile, the person to be inspected is automatically inquired through a voice device in a voice module and relevant operation guiding work is carried out;

s4: finally, starting a laser tube of the optometry instrument to emit laser through the optometry module, continuously adjusting imaging by the fog type system, reflecting eye conditions of detected personnel to the array system, processing eye information, and automatically generating detection data;

the optometry instrument in the S3 comprises an optometry seat (1), a power base (2) and an adjusting bracket (3); the optometry seat (1) is designed to be of a cuboid structure, and the rear end face of the optometry seat (1) is designed to be an arc-shaped face; the upper surface of the optometry seat (1) is fixedly connected with an optometry device (11) at a position close to the front end surface of the optometry seat (1); the rear end face of the optometry unit (11) is fixedly connected with a display screen (12) close to the upper surface of the optometry unit (11); the upper surface of the optometry seat (1) is fixedly connected with an operating rod (13) at the rear position of the optometry device (11); a lens (14) is fixedly connected to the front end face of the optometry unit (11) close to the upper surface of the optometry unit (11); the front end face of the optometry seat (1) is fixedly connected with a power base (2); the upper surface of the power base (2) is connected with an adjusting bracket (3) in a left-right sliding manner; the adjusting bracket (3) is designed to be of a U-shaped structure, and supporting rods are arranged on the left side and the right side of the adjusting bracket; the side surfaces of the opposite sides of the two support rods are fixedly connected with the same support connecting rod at the middle position of the support rods; the positions of the side surfaces of the two opposite sides of the support rods, which are close to the upper end surfaces of the support rods, are fixedly connected with the same mirror frame (31), mirror rims of the mirror frame (31) are designed into a circular structure, and the center point of the mirror frame and the center point of the lens (14) are positioned at the same axial line position; the left side and the right side of the spectacle frame (31) are provided with supporting legs; and the same tightening belt (32) is fixedly connected between the two support legs at the front end surface of the support legs.

2. An optometry method of a computer optometry unit according to claim 1, comprising: the two supporting rods and the supporting connecting rod are internally provided with the same cavity together; a rotating column (33) is rotatably connected inside the cavity; the right-handed thread is arranged at the position, close to the right end face of the rotating column (33), of the outer arc surface of the rotating column (33); the left-handed thread is arranged on the outer arc surface of the rotating column (33) close to the left end surface of the rotating column (33); the right-hand thread surface of the rotating column (33) is in threaded connection with a first moving ring (34); the left-handed thread surface of the rotating column (33) is in threaded connection with a second moving ring (35); the front end surfaces of the supporting rod and the supporting connecting rod are provided with the same first guide hole at the position of the first moving ring (34); the front end surfaces of the supporting rod and the supporting connecting rod are provided with a same second guide hole at the position of the second moving ring (35); a first connecting block is fixedly connected to the front position of the first moving ring (34), penetrates through the first guide hole and extends to the front position of the support connecting rod; the front end face of the first connecting block is fixedly connected with a first connecting rod (36), and the position, close to the upper end face of the first connecting rod (36), of the front end face of the first connecting rod (36) is fixedly connected with the supporting leg; a second connecting block is fixedly connected to the front position of the second moving ring (35), penetrates through the second guide hole and extends to the front position of the support connecting rod; the preceding terminal surface of second connecting block has linked firmly second connecting rod (37), and the preceding terminal surface position that the preceding terminal surface of second connecting rod (37) is close to second connecting rod (37) links firmly with the landing leg mutually.

3. An optometry method of a computer optometry unit according to claim 2, comprising: a first sliding groove is formed in the position, on the lower end face of the first connecting rod (36), of the adjusting support (3), and the first connecting rod (36) is connected into the first sliding groove in a sliding mode; a second sliding groove is formed in the position, on the lower end face of the second connecting rod (37), of the adjusting support (3), and the second connecting rod (37) is connected into the second sliding groove in a sliding mode; the adjusting bracket (3) is provided with through holes which are communicated from left to right at the positions of the first sliding chute and the second sliding chute; and a spring (38) is fixedly connected between the first connecting rod (36) and the second connecting rod (37) at the inner position of the through hole.

4. An optometry method of a computer optometry unit according to claim 1, comprising: the front end surfaces of the two mirror frames of the mirror bracket (31) are fixedly connected with a lens frame (39) at the position below the mirror frames.

5. The optometry method of a computer optometry unit according to claim 4, comprising: a moving groove which is communicated left and right is formed in the power base (2); the inner part of the moving groove is connected with a sliding block (21) in a left-right sliding manner, and the cross section of the sliding block (21) is designed into an L-shaped structure; a first rack (22) is fixedly connected to the front end surface of the sliding block (21) close to the lower surface of the sliding block (21); a second rack (23) is fixedly connected to the front end surface of the sliding block (21) close to the upper surface of the sliding block (21); a power groove is formed in the power base (2) above the rack; a driving rod (24) and a driven rod (25) are rotatably connected inside the power groove; the outer arc surface of the driving rod (24) is fixedly connected with two driving gears (26), and the diameter of the driving gear (26) at the upper position is smaller than that of the driving gear (26) at the lower position; the outer arc surface of the driven rod (25) is fixedly connected with a driven gear (27), and the diameter of the driven gear (27) at the upper position is larger than that of the driven gear (27) at the lower position; the first rack (22) and the driving gear (26) at the lower position are meshed with the driven gear (27) at the lower position; the second rack (23) and the driving gear (26) at the upper position are meshed with the driven gear (27) at the upper position; the lower surface of the power groove is fixedly connected with a motor (28) at the position of the driving rod (24); an output shaft of the motor (28) is fixedly connected with a telescopic rod (29), and a piston rod of the telescopic rod (29) is fixedly connected with the lower end face of the driving rod (24).

6. An optometry method of a computer optometry unit according to claim 5, comprising: the power base (2) is provided with a mounting hole above the driven rod (25); the inside of the mounting hole is fixedly connected with an air cylinder; the lower end face of a piston rod of the air cylinder is fixedly connected with a limiting pin (210); the upper end face of the driven rod (25) is provided with a limiting hole, and the limiting pin (210) is matched with the limiting hole.

7. An optical system of a computer optometry unit, characterized in that: an optometric method adapted for use with the computer optometer of any one of claims 1-6; the system comprises a control terminal, a service terminal and an optometry terminal;