CN208096732U - A kind of dedicated imaging system of portable eye diagnosis - Google Patents

Abstract

A kind of dedicated imaging system of portable eye diagnosis, including photographic device, host cabinet, bracket or trolley.Photographic device includes contact lens be bonded with eye subject surface, the optical imaging system with big visual field, high graphics sensor and using imitative halogen LED lamp as the lighting system of light source, and compensates the ametropic focusing system of eye subject.Lighting system passes through the imaging viewing field range on contact lens uniform illumination eyeground using inner total reflection light guiding lens.Necessary parts containing a whole set of ophthalmology imaging system such as microcomputer, mobile power source, console in mainframe box body, can it is portable, be moved to various use environments, in the cabinet slot that bracket or trolley fixed in consulting room in hospital can simply be pushed simultaneously, car-type and portable integrated use are realized.

Description

A kind of dedicated imaging system of portable eye diagnosis

Technical field

The utility model belongs to ophthalmic medical equipment technical field, and what is involved is one kind by containing replaceable optical lens The dedicated imaging system of portable eye diagnosis that the positions such as human eye retina, cornea are shot with the photographic device of imaging sensor System.

Background technique

Eyes are one of most important organs in human body, there is indispensable role in life.Therefore disease of eye The problem of with visual loss being most serious.Disease of eye and visual problems have far-reaching for children especially newborn Influence.The disconnected best chance for being to provide treatment and preventing visual loss of early diagnosis is checked to the early of eyes.

In to eye examinations such as eyeground, oculars, eye imaging devices are more and more important.Although fundus camera, crack Lamp microscope has been widely used in retina, cornea checks field, but serves primarily in adult.It is especially new to children For raw youngster, checking process, which is mismatched, makes eye examination be difficult to accurately carry out, common non-especially to the inspection of eye ground Contact fundus camera is completely not applicable to infant.

Traditional fundus camera, electronics slit-lamp microscope are because optical lens with imaging sensor is to be fixedly connected, mirror It is non-exchange, photographic device must be replaced when checking respectively retina, cornea.

Patent CN1226143 realizes a kind of image capture system for eye imaging, with photographic device optical lens The form that front surface is close to cornea is illuminated and is taken pictures to eye ground.The invention uses two section shells of front and back to realize optics Camera lens it is replaceable, but be divided into front and back two halves since the structure type also results in lighting fiber light guide plate, generated in junction Two planes of refraction cause luminous energy to be lost.The invention is in illumination using table before the light guide plate of specific form, optical joint camera lens Face generates the bigger angle of divergence, but therefore increases plane of refraction on illumination path again, and luminous energy loss further increases.Although the invention It is also proposed that light source can be installed in photographic device without externally supplying the optical fiber with light source, gradually to lack light loss, but simultaneously It is undeclared how to solve the problems, such as halogen light source light bulb volume size, Lighting control scheme, matched with a whole set of imaging system.

Patent CN104398236A is proposed in photographic device lighting part using cyclic annular light guide plate, and fixes 14 in its bottom A LED light and reduces two planes of refraction although shortening light source to the distance of photographic device light outlets, reduces luminous energy damage Consumption, but passing through optical lens front surface always due to illumination light causes luminous energy loss to still have.And LED light is large number of, It is very high to the volume and performance requirement of driving circuit, it is difficult to maintain each lamp brightness stability consistent, if wherein a small amount of LED light failure Also it is difficult to be realized by user, but will lead to illumination unevenness.The penetration capacity of halogen light source and LED light source to human eye content Difference, not necessarily can be to retina at sharply defined image under same brightness, which does not also say the standard for selecting LED light It is bright.

Patent CN204293129U, CN101966076A and CN202211674U describe one kind by every group containing 100 The optical fiber group of optical fiber is inserted into the eyeglass rear of photographic device optical lens front end first, the dotted light of circle is arranged into, with low The optical fiber group of cost generates diverging optical illumination eyeground.But this scheme that camera lens is inserted into a circle optical fiber group, even if with patent The metal structure that CN204293129U is proposed also is difficult to fix due to the property of optical fiber crushes easily, and always has small gap can The optical fiber group of insertion can be swung, not can guarantee the optical fiber group of a whole circle with equal angular and illuminate eyeground.Furthermore this light Every group of fibre group is made of 100 or more optical fiber, is to be easy to damage during the installation process；It when used for a long time, also can be because of light Fine group not can be completely fixed on camera lens and cause to be broken because pullling, and influence imaging effect.

Other than the illumination of photographic device, imaging performance have influence to Checking on effect, match with photographic device whole It is also most important for covering imaging system.The effect of photographic device itself is only illumination and imaging to human eye eyeground or ocular, is gone back Need other devices to form system with it, including but not limited to lighting source, power supply, controller, image procossing, image storage, The system that full set of hardware and the softwares such as image output, electromagnetic shielding and patient information management combine.

Patent CN105451637A is proposed comprising reservoir, calculating and communication module, image computing module containing at image Manage the scheme of unit.But the program is also limited only to of photographic device itself, and scheme is similar with ordinary camera scheme, only It obtains image data, simple process and stores；Light source control, power source design and and computer are not described in detail yet again for its scheme Connection carries out the scheme of patient information management the whole series imaging system.

Patent CN105662333A proposes a kind of portable system scheme, and wireless transport module is housed on photographic device And the eye fundus image obtained by wifi wireless transmission is to Android mobile terminal equipment, and illuminating gloss Medical cold Light source is fed directly to photographic device front end by optical fiber and issues.But in order to meet fundus camera professional standard, image resolution ratio It is required that reaching 60lp/mm, and because field angle is greater than 130 °, makes the storage space of every shooting image up to 10MB~50MB, pass through Wifi wireless transmission can not have larger delay in mobile terminal device real-time display imaging results；And use Medical cold For light source as lighting source, it is on photographic device or mobile terminal device which, which has no and be expressly recited the Medical Cold Light Source, In, if will lead on photographic device, photographic device is excessive to be difficult to operate, if then needing optical fiber in mobile terminal device Leaded light is carried out, the design of the wireless transmission is made to lose meaning.

Patent CN106488738A proposes one kind comprising photographic device, lighting unit, computing system, networking unit and shows Show the imaging system of device.But it is single to light source control, is only used for simply shooting, and can not adjust brightness power；Networking unit Wireless portion be difficult to real-time display on computer and display because the image storage space of shooting is big, wired connection part It has no and is expressly recited connection scheme.Its another side that similar camera control unit realization multiple terminals is shown without using computer Case, although simplifying control cannot achieve patient information management.

Patent CN205903241U proposes a kind of eyeground imaging system, using computer and controller as core, to light Source, camera shooting, image storage output are uniformly controlled.It uses halogen lamp Medical Cold Light Source to be located in host, needs optical fiber and camera shooting Device is connected；Due to the opening and brightness regulation by being uniformly controlled light source, solid-state relay and DB9 serial port line has been respectively adopted Computer, cold light source, controller and isolated power supply are attached, project plan comparison is complicated, it is difficult to realize portability.In addition it controls Foot-operated is also the focusing motor that photographic device is connected to by controller, and controller is stored in host, and camera shooting is caused to fill Set relatively rely on host work, it is difficult to be independently operated, and host need to be packed into Medical Cold Light Source, control computer, isolated power supply, Display, and connect control and ride, host volume is excessive and can only be console mode or desk-top, can not achieve portability.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of portable eye diagnosis it is dedicated at As system.

The utility model is solved prior art problem and is realized using numerous embodiments：A kind of portable eye diagnosis Dedicated imaging system, including photographic device, host cabinet and bogey, the photographic device connects host cabinet, described Mainframe box body be located on bogey；Wherein photographic device includes the optical imaging system in shell and shell and illumination system System, which includes optical lens and imaging sensor.

Optical lens is made of multiple optical mirror slips, saturating with contact lens, front lens group, rear lens group, focusing Microscope group and filter, above-mentioned optical mirror slip group have common optical axis.Wherein, contact lens front surface be radius of curvature be- The concave surface of 7.7mm just accommodates the lug boss of eye subject, is close to anterior corneal surface.

Front lens group can by three lens and doublet at, be also possible to the lens group of 5~6 single eyeglasses compositions, etc. Effect focal length is positive, can be being polymerize with wide-angle by the light of contact lens, thus constriction optical imaging system integral diameter Size switchs to more straight light and is projected to rear lens group.

Rear lens group integral diameter is smaller, can be made of bimirror and other two panels plano-convex lens or multi-disc list lens set At.Rear lens group equivalent focal length is negative, and it is saturating in focusing that the image formation by rays that front lens group projection is come is combined with focusing lens group On imaging sensor after microscope group, the imaging sensor is vertical with optical imaging system optical axis, and central point is optically imaged and is System optical axis passes through.

Focusing lens group is made of a series of smaller lens of diameters, and equivalent focal length is positive, and optimizes and correct rear lens group The light that projection comes, and converge to the light of the diverging on imaging sensor.Moreover, focusing lens group can be relative to rear lens Group is moved forward and backward along optical imaging system optical axis, and when Forward makes image formation by rays before imaging sensor, and image formation by rays is made when moving back After imaging sensor, front-rear position offset be in order to make up eye subject because long sight or myopia lead to the deviation of imaging position, Ensure that eye subject eyeground and image sensor are conjugated.The focusing lens group can be driven relative to rear lens group by motor along light It studies as systematic optical axis back-and-forth motion, which is manually or automatically controlled by control device outside photographic device.

Optical lens rearmost end setting one perpendicular to optical lens optical axis filter, for filter to be imaged it is useless or The light of harmful wavelength, such as infrared light.

After imaging sensor is located at optical lens, perpendicular to optical lens optical axis, and it is located on optical lens imaging plane. Optical lens optical axis passes through imaging sensor center.Imaging sensor can be three-chip type charge coupled cell or three-chip type is complementary Metal-oxide semiconductor (MOS), to guarantee imaging color closest to really.Imaging sensor preferably uses four to three specifications, and pixel Sum is greater than 800MP, and to ensure that optical imaging system center imaging resolution is higher than 60lp/mm, edge imaging resolution ratio is not low In 25lp/mm.

Optical lens barrel is made of the aluminium alloy of monolithic devices or separation type, and there is one group of screw hole and image to pass for lens barrel end The circuit board of sensor is fixed by screw, or is connected by camera standard C interface.Lens barrel two sides have and shell fixation Screw hole and positioning pin.

Lighting system is made of light source, light guiding lens, Luminous Ring.Light source, light guiding lens are located at above-mentioned optical lens periphery, Light guiding lens are connected at cup-shaped with Luminous Ring.Precision machined light guiding lens and lens barrel and case nose are fitted closely with solid It is fixed.Light source and the heat sink for carrying it are fixed by screw, positioning pin and optical lens barrel.Luminous Ring and optical lens Contact lens connection, and on rear side of contact lens outer ring, it is seamless applying with contact lens with optical glue.

Light source quantity 2~4, diameter about 3.5mm, colour temperature about 3000K, is developed the color using the tack LED light of imitative halogen light source Index Ra is greater than 95%, wavelength energy peak of curve between 620nm~700nm, blue light wavelength section there can be no minor peaks, Continuous illumination temperature rise in 1 hour is lower than 8 degrees Celsius under maximum rated power.

LED light front end flat part is connected with light guiding lens end, seamless applying to reduce making for plane of refraction with optical glue At unnecessary refraction.Light guiding lens are inner total reflection optics organic glass, and shape is designed as the light of LED light to carry out complete Reflection, and light is transferred to Luminous Ring with extremely low consume.

Luminous Ring is cyclic annular or cup-shaped inner total reflection optics organic glass, and rear portion is connected with light guiding lens, with optical glue It is seamless applying to reduce unnecessary refraction caused by plane of refraction.Luminous Ring refractive index is higher than contact lens refractive index, with Full transmitting light can not be transferred in contact lens through side binding face in guaranteeing, and because light guiding lens shape has made optics Design makes the internal light conducted while Luminous Ring and contact lens side binding face are totally reflected, in Luminous Ring and cornea Binding face penetrates before contact lense.Contact lens edge is negative at concave mirror shape, focal length, keeps the light penetrated from Luminous Ring further Diverging.The final illumination angle of divergence is greater than 150 degree.

Since the tack LED light efficiency of the imitative halogen light source of above-mentioned type selecting is very high, reached under 20% rated power To clinical demand, loss of the contact lens edge to entire lighting system luminous energy can be compensated for easily.

Imaging sensor and necessary camera control unit are connect with host cabinet in a wired fashion.

Controller connection in the motor and photographic device of focusing lens group.Control in lighting system light source and photographic device Device connection processed.

Controller in photographic device is connect with host cabinet in a wired fashion.

Above-mentioned 2 cables connecting with host cabinet, can morphologically be fabricated to a formula multi-core cable.The multi-core cable It is connect being divided into 2 ports with host cabinet end with host cabinet.

Host cabinet：

Host cabinet includes body structure, microcomputer, display screen, mobile power source and console.Body structure is one Metal sealing case can renovate unlatching.Body structure side is equipped with data converter, for connecting between photographic device and host cabinet The docking of cable, and the data conversion between microcomputer.

There is multilayer robust structure in mainframe box body, one of preferred embodiment is mobile power source, microcomputer and control Platform storied placement from bottom to top；Microcomputer is connected with display screen with video cables.Display location in body structure flip lid on, Video line passes through through renovating junction.

Console can be mounted in the fixed platform of mainframe box body top, be also possible to wireless mouse, keyboard, more excellent The scheme of choosing can be moved arbitrarily, with microcomputer be wirelessly connected can touch screen control panel.Have with console identical Function, the floor push that can be matched can be connect in a wired or wireless fashion with microcomputer.

Mobile power source is each power supply for electrical equipment in main box body.After the power supply interface of mobile power source extends to body structure Oralia is flanked, interface board is fixed on cabinet.Microcomputer also has another view in addition to the video cables of connection display screen Frequency output interface equally extends to above-mentioned interface board.Host cabinet can work independently, also can be by connecing on rear side of body structure Oralia is connect with network source and remote data indicator.

Matter storage lattice is reserved in vacant position in mainframe box body, for placing above-mentioned camera shooting handle, floor push；And host cabinet Bottom configures pulley, pull rod, can be moved in the form of trolley case.Because host cabinet may include all necessary parts of the invention and It can easily move everywhither, reach expected portable effect.

Toter：

The toter includes bracket or trolley, which can be a bracket for being fixed on wall or ground, or With castor and mobile trolley.It is either any, all have following structure：Mainframe box slot, console, printer, display Device and isolated power supply.

By taking trolley as an example：Above-mentioned host cabinet can direct horizontal propulsion mainframe box slot, have sliding rail or similar in mainframe box slot Component makes the smooth propulsion of host cabinet, and has decelerating anti-collision device at the end.After host cabinet is filled to completely in mainframe box slot, Its power supply is exported with vision signal and is connect with trolley.The connection may be selected with power cable connection trolley isolated power supply delivery outlet and The power inlet of host cabinet interface board, and the display of trolley and the view of host cabinet interface board are connected with video cables Frequency delivery outlet.Preferred scheme is that interface is contact pin type on host cabinet interface board, and the other end of contact pin is trolley host The inside of case slot, after host cabinet is pushed into completely in mainframe box slot, in contact pin apparatus connection, electricity and the video letter of host cabinet It number is interacted with trolley.The inside contact pin that mainframe box slot is then set as inside trolley is connect with trolley isolated power supply, display.

Therefore, trolley is substantially the power supply unit and video follower of host cabinet.

Meanwhile the console of trolley is wirelessly docked with the console of host cabinet, has duplicate function.If host The console of cabinet be wireless mouse, keyboard, or more preferably can arbitrarily move with microcomputer be wirelessly connected can When touch screen control panel, directly the console can be taken out from host cabinet, be placed directly on trolley and use.

Detailed description of the invention

Fig. 1 is the cross-sectional side schematic illustration of the optical imaging system of the photographic device of the utility model.

Fig. 2 is side sectional view of the Fig. 1 in actual production.

Fig. 3 is the optical imaging system lens barrel side sectional view of the photographic device of the utility model.

Fig. 4 A is the photographic device of the utility model and the annexation figure of host cabinet.

Fig. 4 B is the annexation figure of photographic device and host cabinet in other embodiments.

Fig. 4 C is the annexation figure of photographic device and host cabinet in other embodiments.

Fig. 5 is the host cabinet schematic layout pattern of the utility model.

Fig. 6 A is the host cabinet of the utility model and the annexation figure of trolley.

Fig. 6 B is the annexation figure of host cabinet and trolley in other embodiments.

Fig. 7 A is that the host cabinet of the utility model loads the schematic diagram to trolley.

Fig. 7 B is that the host cabinet of the utility model loads the schematic diagram into trolley.

Specific embodiment

Referring now to attached drawing, the utility model is described in detail.The utility model can be there are many different embodiment party Formula, and it is not understood as limited to illustrative embodiments discussed in this article.

Multiple embodiments of the utility model describe the dedicated imaging system of portable eye diagnosis, in some embodiment party In formula, ophthalmology imaging system can mainly include a photographic device 10, host cabinet 40, bracket or trolley 50.

Photographic device 10 has very big imaging viewing field angle.It is 130 degree in some embodiments, other embodiments In be 150 degree.Photographic device 10 mainly includes shell 11, optical imaging system 20 and lighting system 30.The optical imaging system 20 include optical lens 21 and imaging sensor 22.

Optical lens 21 is made of multiple optical mirror slips, with contact lens 211, front lens group 212, rear lens group 213, focusing lens group 214 and filter 215, above-mentioned optical mirror slip group have common optical axis 201.Wherein, contact lens 211 Front surface is the concave surface 211a that radius of curvature is -7.7mm, just accommodates the lug boss of eye subject 60, is close to 61 surface of cornea.Before 212 equivalent focal length of lens group is positive, and 213 equivalent focal length of rear lens group is negative, and rear lens group 213 is combined with focusing lens group 214 For the image formation by rays that the projection of front lens group 212 is come on imaging sensor 22, imaging sensor 22 is vertical with optical axis 201, and in Heart point is passed through by optical axis 201.214 equivalent focal length of focusing lens group is positive, and optimizes and correct the light that the projection of rear lens group 213 comes Line, and converge to the light of the diverging on imaging sensor 22.Focusing lens group 214 is relative to rear lens group 213 along optical axis 201 are moved forward and backward, and in order to make up 60 long sight of eye subject or myopia, are conjugated eye subject eyeground 602 and image sensor 22.It is described Focusing lens group 214 is driven by motor 214a, and motor 214a operation is controlled by 10 internal controller 12 of photographic device.In optical lens 21 rearmost ends setting one may filter that infrared light perpendicular to the filter 215 of optical axis 201.

After imaging sensor 22 is located at optical lens 20, perpendicular to optical axis 201, and it is located at 20 imaging plane of optical lens On 202.Optical axis 201 passes through 22 center of imaging sensor.Imaging sensor 22 is that three-chip type charge coupled cell or three-chip type are mutual Mend metal-oxide semiconductor (MOS).Imaging sensor 22 uses 1/2.3 inch of four to three specifications, and pixel number about 1.6MP makes optics The central imaging resolution of imaging system 20 is higher than 80lp/mm, and edge imaging resolution ratio is not less than 25lp/mm.

Optical lens barrel 23 is made of 6061 lens barrel of multistage aluminium, and 23 end of lens barrel has one group of screw hole and imaging sensor 22 circuit board 221 is fixed by screw 231.

In some embodiments, optical lens barrel 23 is made of 6061 lens barrel of multistage aluminium, and 23 end of lens barrel has not The standard C interface of diagram and the circuit board 221 of imaging sensor 22 are fixed.

Lighting system 30 is made of light source 31, light guiding lens 32, Luminous Ring 33.Light source 31, light guiding lens 32 are located at above-mentioned 21 periphery of optical lens, light guiding lens 32 are connected at cup-shaped with Luminous Ring 33.Light source 31 and the heat sink 311 for carrying it are logical It is fixed to cross screw, positioning pin and lens barrel 23.Light source 31 is connect with the controller 12 in photographic device 10.Luminous Ring 33 and optical frames First 21 contact lens 211 connects, and on rear side of 211 outer ring of contact lens, with optical glue and contact lens 211 It is seamless applying.

Light source 31 uses CREE round end XPH50, quantity 2 using the LED light of imitative halogen light source in some embodiments It is a, in other embodiments use CREE tack XHP35, quantity 3.LED light front end 312 and 32 end 321 of light guiding lens It is connected.Light guiding lens 32 are inner total reflection optics organic glass, shape be designed as the light of LED light be all-trans be incident upon it is luminous Ring 33.Luminous Ring 33 is cyclic annular inner total reflection optics organic glass, and rear portion is connected with light guiding lens 32, with optical glue seamless paste It closes to reduce unnecessary refraction caused by plane of refraction.33 refractive index of Luminous Ring is higher than 211 refractive index of contact lens, to protect Full transmitting light can not be transferred in contact lens 211 through side binding face 331 in demonstrate,proving, and light can in Luminous Ring 33 with Binding face 332 penetrates before contact lens 211.At concave mirror shape, focal length is negative 211 edge 211a of contact lens, makes from luminous The light 333 that ring 33 penetrates further dissipates.The final illumination angle of divergence is greater than 150 degree.

Imaging sensor 22 and necessary camera control unit 221 are connected with standard USB3.0 cable 222 and host cabinet 40 It connects.Controller 12 in photographic device 10 is connect with 2 core cables 223 with host cabinet 40, which does not support camera shooting to fill Set control platform control focusing and the brightness of illumination other than 10.

In some embodiments, it is special to be merged into one 12 cores for the core cable of above-mentioned standard USB3.0 cable 222 and 2 223 Band aviation plug cable 224.

In some embodiments, the controller 12 in photographic device 10 is connect with 9 core cables 225 with host cabinet 40. The embodiment supports control platform control focusing and brightness of illumination other than photographic device 10.

Multiple embodiments of the invention have host cabinet 40.Host cabinet 40 includes body structure 41, miniature industry control Machine 42, display screen 43, mobile power source 44 and console 45.

Body structure 41 is configured to special aluminium alloy sealing safety box, and case lid 411 can laterally dig unlatching.Body structure 41 sides are equipped with data converter 412, include standard USB3.0 interface on data converter 412 in some embodiments 412a and 2 core aviation interface 412b.In some embodiments, there are 1 12 core aviation interface on data converter 412 412c.In some embodiments, there are 19 core aviation interface 412d on data converter 412.

Layered configuration mobile power source 44, microcomputer 42 and console 45 from bottom to top in host cabinet 40, console 45 be Wireless Keyboard and mouse combination.Display screen 43 is located at 411 inside of case lid.Mobile power source 44 has multiple electricity output mouths and 1 A electricity input port.Respectively the controller 12 of microcomputer 42, display screen 43 and photographic device 10 is powered.After body structure 41 Side has interface board 413, upper additionally to regard containing the outlet 413a and microcomputer 42 that make electricity input to mobile power source 44 The video socket 413b of frequency signal output, and be connected with cable with 50 relevant device of trolley or component.

In some embodiments, contact pin apparatus 413c is used on interface board 413, alternative outlet and video are inserted Mouthful.Contact pin apparatus 413c is connected with the contact pin apparatus 511 of trolley 50.

There is matter storage lattice 46, storage is controlled for storing above-mentioned photographic device 10, and in inoperative in host cabinet 40 Platform 45 processed.In some embodiments, host cabinet 40 also has castor (not shown) and pull rod, to move.

It is enough in 44 electricity of mobile power source after host cabinet 40 cooperates photographic device 10 in portable embodiment When can be used alone.

In the embodiment of car-type, host cabinet 40, photographic device 10 cooperate trolley 50 to use.Host cabinet 40 is put It sets in the mainframe box slot 51 of trolley 50, mainframe box slot 51 reserves cable hole to the outlet 413a and video of host cabinet 40 Socket 413b is separately connected the isolated power supply 52 of trolley 50 and the cable 521 of display 53 and cable 531.In some embodiments In, contact pin apparatus 511 is directly connected with isolated power supply 52 and display 53 in mainframe box slot 51, when host cabinet 40 is pushed into completely After mainframe box slot 51, contact pin apparatus 413c and contact pin apparatus 511 are fully engaged.In some embodiments, in mainframe box slot 51 The sliding rail 512 that bottom is assembled with damper equipped at least 1, when being pushed into mainframe box slot 51 so as to host cabinet 40 at the uniform velocity, collisionless.

In some embodiments, with the console of fixation (not shown) on trolley 50, with wireless signal and mainframe box Microcomputer 42 connects in body 40.After host cabinet 40 is pushed into mainframe box slot 51 and connects, mainframe box is replaced with console The console 45 of body 40 is operated.In other embodiments, fixed console is not configured on trolley 50, but host The console 45 of cabinet 40 takes out to place and be operated on trolley 50.Above-mentioned i.e. car-type and portable integrated embodiment party Formula.

In some embodiments, such as stent-type, host cabinet 40, photographic device 10 cooperate bracket (not shown) to use. Host cabinet 40 is placed in the mainframe box slot 51 of bracket, and mainframe box slot 51 reserves cable hole to the outlet of host cabinet 40 413a and video socket 413b is separately connected the isolated power supply 52 of bracket 501 and the cable 521 of display 53 and cable 531.? In some embodiments, contact pin apparatus 511 is directly connected with isolated power supply 52 and display 53 in mainframe box slot 51, works as mainframe box After body 40 is pushed into mainframe box slot 51 completely, contact pin apparatus 413c and contact pin apparatus 511 are fully engaged.In some embodiments, The sliding rail 512 that bottom is assembled with damper equipped at least 1 in mainframe box slot 51, when being pushed into mainframe box slot 51 so as to host cabinet 40 At the uniform velocity, collisionless.

In some embodiments, on bracket (not shown) with fixation (not shown) console, with wireless signal with Microcomputer 42 connects in host cabinet 40.After host cabinet 40 is pushed into mainframe box slot 51 and connects, replaced with console The console 45 of host cabinet 40 is operated.In other embodiments, fixed console is not configured on bracket, but handle The console 45 of host cabinet 40 takes out to place and be operated on bracket.Above-mentioned i.e. stent-type and portable integrated embodiment party Formula.

Although disclosing the utility model with illustrative embodiments, skilled artisan recognize that and Understand, under the premise of not departing from the scope of the utility model, disclosed embodiment can be increased, delete, repair Change and deforms.Above-mentioned specific embodiment is used to illustrate the utility model, rather than limits utility model.At this In the spirit and scope of protection of the claims of utility model, to any modifications and changes that the present invention makes, this reality is both fallen within With novel protection scope.

Claims (7)

1. a kind of dedicated imaging system of portable eye diagnosis, including photographic device, host cabinet and bogey, described is taken the photograph It is connect as device passes through wired mode with host cabinet, the mainframe box body is located on bogey；Wherein photographic device packet The optical imaging system and lighting system in shell and shell are included, optical imaging system includes optical lens and image sensing Device, after imaging sensor is located at optical lens；Lighting system is made of light source, light guiding lens, Luminous Ring；Host cabinet includes case Body structure, microcomputer, display screen, mobile power source and console；Toter include mainframe box slot, console, printer, Display and isolated power supply.

2. a kind of portable dedicated imaging system of eye diagnosis according to claim 1, it is characterised in that：Optical lens by Contact lens, front lens group, rear lens group, focusing lens group and filter composition, the contact lens, front lens Group, rear lens group, focusing lens group and filter are arranged successively, and have common optical axis, and contact lens front surface is curvature Radius is the concave surface of -7.7mm, and front lens group is by three lens and doublet at or being formed with 5~6 single eyeglasses, rear lens Group diameter be less than front lens group, be made of bimirror and other two panels plano-convex lens or multi-disc list eyeglass form, focusing lens group by The lens that diameter is less than rear lens diameter form, in optical lens rearmost end setting one perpendicular to the colour filter of optical lens optical axis Mirror；

After imaging sensor is located at optical lens, perpendicular to optical lens optical axis, and it is located on optical lens imaging plane；Optics Camera lens optical axis passes through imaging sensor center；Imaging sensor is three-chip type charge coupled cell or the oxidation of three-chip type complementary metal Object semiconductor, imaging sensor uses four to three specifications, and sum of all pixels is greater than 800MP, to ensure optical imaging system center Imaging resolution is higher than 60lp/mm, and edge imaging resolution ratio is not less than 25lp/mm.

3. a kind of portable dedicated imaging system of eye diagnosis according to claim 2, it is characterised in that：Focusing lens group Motor and photographic device in controller connection, lighting system light source connect with the controller in photographic device, photographic device Interior controller is connect with host cabinet in a wired fashion, and above-mentioned 2 wired modes connecting with host cabinet are using line Cable, can morphologically be fabricated to a formula multi-core cable, which is being divided into 2 ports and host cabinet with host cabinet end Connection.

4. a kind of portable dedicated imaging system of eye diagnosis according to claim 1, it is characterised in that：Lighting system by Light source, light guiding lens, Luminous Ring composition, light source, light guiding lens are located at above-mentioned optical lens periphery, and light guiding lens are at cup-shaped and hair The ring of light is connected, and precision machined light guiding lens and optical lens barrel and case nose are fitted closely with fixation, light source and The heat sink for carrying it is fixed by screw, positioning pin and optical lens barrel, the contact lens of Luminous Ring and optical lens Connection, and on rear side of contact lens outer ring, it is seamless applying with contact lens with optical glue；

The tack LED light of the imitative halogen light source of light source use, quantity 2~4, diameter about 3.5mm, colour temperature about 3000K, colour rendering index Ra is greater than 95%, and wavelength energy peak of curve is between 620nm~700nm, and there can be no minor peaks for blue light wavelength section, in maximum Continuous illumination temperature rise in 1 hour is lower than 8 degrees Celsius under rated power；

LED light front end flat part is connected with light guiding lens end, and light guiding lens are inner total reflection optics organic glass, configuration design For the light of LED light is totally reflected, and light is transferred to Luminous Ring with extremely low consume；

Luminous Ring is cyclic annular or cup-shaped inner total reflection optics organic glass, and rear portion is connected with light guiding lens, seamless with optical glue Fitting is to reduce unnecessary refraction caused by plane of refraction.

5. a kind of portable dedicated imaging system of eye diagnosis according to claim 1, it is characterised in that：The delivery Device includes mainframe box slot, console, printer, display and isolated power supply, host cabinet can direct horizontal propulsion mainframe box slot, There is sliding rail in mainframe box slot, and has decelerating anti-collision device at the end, after host cabinet is filled to completely in mainframe box slot, power supply It exports with vision signal and is connect with trolley, which may be selected to connect trolley isolated power supply delivery outlet and mainframe box with power cable The power inlet of body interface board, and exported with the display of video cables connection trolley and the video of host cabinet interface board Mouthful.

6. a kind of portable dedicated imaging system of eye diagnosis according to claim 1, it is characterised in that：The delivery Device is bracket or trolley, and interface is contact pin type on host cabinet interface board, and the other end of contact pin is trolley mainframe box slot Inside, after host cabinet is pushed into completely in mainframe box slot, in contact pin apparatus connection, the electricity and vision signal and platform of host cabinet Vehicle interaction；The inside contact pin that mainframe box slot is then set as inside trolley is connect with trolley isolated power supply, display.

7. a kind of portable dedicated imaging system of eye diagnosis according to claim 1, it is characterised in that：Optical lens Lens barrel is made of the aluminium alloy of monolithic devices or separation type, and there is the circuit board of one group of screw hole and imaging sensor to pass through for lens barrel end Screw is fixed, or is connected by camera standard C interface, and lens barrel two sides have the screw hole and positioning pin fixed with shell.