CN108132534A - A kind of near-eye display system based on goggle style - Google Patents
A kind of near-eye display system based on goggle style Download PDFInfo
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- CN108132534A CN108132534A CN201711468207.1A CN201711468207A CN108132534A CN 108132534 A CN108132534 A CN 108132534A CN 201711468207 A CN201711468207 A CN 201711468207A CN 108132534 A CN108132534 A CN 108132534A
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- lens
- night vision
- eye display
- vision device
- battery
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0112—Head-up displays characterised by optical features comprising device for genereting colour display
- G02B2027/0116—Head-up displays characterised by optical features comprising device for genereting colour display comprising devices for correcting chromatic aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
Abstract
The invention discloses a kind of near-eye display systems based on goggle style, belong to the field of optical equipment of display.The near-eye display system, the main battery module being equipped with including goggles main body and the goggles main body, changeable position optical module, fast demountable night vision device module and wireless data transmission module.Advantages of the present invention：Near-eye display system field angle is big, about 35 °.Goggles can connect night vision device, and goggles can show the television image of night vision device；The television image that can be taken aim at by wireless receiving rifle, is shown；The television image that night vision device and rifle are taken aim at can switch over display；Not needing to wearer has associated mechanical mechanism assembly knowledge deposit.Near-eye display under non-working condition can be stored, avoid the normal use blocked wearer's sight, do not influence other peripheral hardwares in equipment, can adjust damping threshold values, and under frequent use condition for a long time, can ensure higher reliability.
Description
Technical field
The invention belongs to the field of optical equipment of display, specially a kind of near-eye display system of goggle style.
Technical background
Near-eye display system is also referred to as Helmet Mounted Display, is initially mainly used in military and scientific research field.Nearly eye display system
System can show external video picture, improve the portability and comfort of equipment.
At present in individual equipment field, near-eye display system carries out in a manner that hand-held or structure assembly is in the helmet mostly
It is equipped with, volume is big, quality weight, and can not be used cooperatively with certain individual equipments, such as U.S. army's ANVIS-9 night vision devices, passes through knot
Structure is integrated in the helmet and is worn, and electric power system is external power supply, is worn on soldier's loins side, is by connecting power cord
Night vision device is powered, and ANVIS-9 night vision devices need overturning night vision device when in use, adjusts its position until human eye may be viewed by night vision device
Complete picture, since its volume is big, can only directly be observed by night vision system, cannot simultaneously be used with goggles, and
Its power cord can generate the tactical operation of soldier and seriously affect.
Therefore display system is applied to existing weaponry and equipment, is provided for individual combat and integrate the portable of protection detection attack
Changing equipment becomes the developing direction of following weaponry.
Invention content
The present invention be directed to prior art deficiencies, provide a kind of near-eye display system based on goggle style.
To achieve the above object, invention provides following scheme of the invention：A kind of near-eye display system based on goggle style,
The main battery module being equipped with including goggles main body and the goggles main body, changeable position optical module, can be quick
Dismount night vision device module and wireless data transmission module.
The battery module is inverse inserting-preventing battery module, it gives the changeable position optics respectively by tandem circuit
Module, fast demountable night vision device module, wireless data transmission module power supply；The fast demountable night vision device module, in night vision device
Under display pattern, the television image of night vision device by connector is transferred to and is shown to the nearly eye of changeable position optical module progress
Show；The television image that rifle is taken aim at is wirelessly transmitted to the changeable position by the wireless data transmission module in the case where rifle takes aim at pattern
Optical module carries out nearly eye and shows；
The battery module inputs, electric bridge, voltage output including battery.Battery importation mainly provides electricity by battery
Source.The switching characteristic of metal-oxide-semiconductor, the break-make of control circuit, because of metal-oxide-semiconductor internal resistance very little, therefore using metal-oxide-semiconductor is utilized in bridge section
The extra power consumption of generation can be ignored.Voltage output part is the output voltage after electric bridge correction.
It is just defeated that the battery module provides the positive/negative input terminal of the first battery, the positive/negative input terminal of the second battery and voltage
Outlet and voltage negative output terminal；The circuit includes two resistance and four metal-oxide-semiconductors；The positive/negative input terminal of first battery is gone here and there all the way
Voltage positive output end is accessed after joining first resistor, voltage positive output end concatenates the source electrode into the 2nd Mos pipes, the grid of the 2nd Mos pipes
The grid of 4th Mos pipes extremely in parallel, and it is connected in series to the positive/negative input terminal of the first battery；The 4th Mos of drain electrode parallel connection of 2nd Mos pipes
The drain electrode of pipe, and it is connected in series to the positive/negative input terminal of the second battery；First Mos pipes source electrode is in parallel with first resistor to be connected into.Second battery
Positive/negative input terminal is connected all the way accesses voltage negative output terminal after second resistance, and voltage negative output terminal concatenates the source into the 4th Mos pipes
Pole, the grid of the 3rd mos pipes of gate connected in parallel of the first Mos pipes, and it is connected in series to the positive/negative input terminal of the second battery；First Mos pipes
The drain electrode of drain electrode the 3rd mos pipes in parallel, and it is connected in series to the positive/negative input terminal of the first battery；3rd Mos pipes source electrode and second resistance are simultaneously
Connection is connected into voltage negative output terminal.
The changeable position optical module includes near-eye display adjustable support and near-eye display；
The near-eye display adjustable support is open chain link mechanism, including connecting rod and Damping rotation shaft, the open chain connecting rod
Including：The chopped-off head connecting rod being fixed in goggles main body, connect near-eye display final stage connecting rod and connection chopped-off head connecting rod with
The intermediate connecting rod mechanism of final stage connecting rod, the intermediate connecting rod mechanism are to adjust the primary drive mechanism of near-eye display, the resistance
Buddhist nun's shaft is the revolute pair in open chain link mechanism, the rotation axis as adjacent links.
Preferably, connecting rod designs anti-rotation structure with Damping rotation shaft.
Preferably, the Damping rotation shaft includes axle center, friction plate, shrapnel, banking stop and nut, the friction plate, shrapnel
Two adjacent links are connected by axle center and nut, the banking stop is the range for limiting adjustable support angle adjustable.
The near-eye display mainly includes optical module, OLED micro-displays, shell.
The optical module includes relaying offset lens group and component prism；The relaying offset lens group includes cloth successively
Lens one, lens two and the cemented doublet three put；The component prism is formed by lens five, prism six and seven gluing of lens；
The lens one act as elimination light source monochromatic aberration with lens two；The cemented doublet three act as disappearing
Except aberration；By lens five, prism six and lens seven, gluing forms the component prism, and it acts as by 90 ° of image image rotation；
The lens one are biconcave lens, and OLED micro-displays and lens two are respectively placed in one both sides of lens, wherein OLED
Micro-display is located on the focal plane of lens one；The lens two are meniscus, and lens one and cemented doublet three are put respectively
In the both sides of lens two；The cemented doublet three is formed by lens three, four gluing of lens, lens three be planoconvex spotlight, lens
Four be plano-concave mirror, and lens two and component prism are respectively placed in three both sides of cemented doublet；The component prism, by five light extraction of lens
Face and six incidence surface of prism, six light-emitting surface of prism are formed with seven incidence surface gluing of lens.Lens five are that plano-convex is saturating with lens seven
Mirror；The prism six is right-angled trapezium prism, and the base face of the right-angled trapezium prism respectively constitutes rib with adjacent right-angle side face
The incidence surface and light-emitting surface of mirror six, inclined edge surfaces and the base face structure angle at 45 ° of prism six.
To meet imaging design requirement, OLED micro-displays should meet with lens one, relative position relation：
dO4=f '4
Wherein dO4For OLED micro-displays and one spacing of lens, f'4Focal length for lens.
The light path of above-mentioned optical module is as follows：OLED micro-displays provide image source, which passes through the optical system,
The divergent rays of image source outgoing converge outgoing after lens one in a manner of closely collimating after lens two, and converging beam passes through
Cemented doublet three reaches component prism with divergent state, and component prism carries out appropriate collimation to ensure it to the divergent beams
The light beam of outgoing is totally reflected in the inclined edge surfaces of component prism, improves the utilization rate of light.And component prism emergent light is collimation
Light beam ensure that in long-time viewing in use, user's eyes are not tired.
The relaying compensation group that lens one, lens two, cemented doublet three are composed in the present invention, can be put down with rectification building-out
The various aberrations for the optical system that weighs：Aberration, the curvature of field, disperse, distortion etc. so that system is in relation to good image quality；Use glue
Lens are closed, it can turn back light path, and light path is made to turn back 90 °.Respectively there is a glued positive lens at prism both ends, can converge light path, make
The system of obtaining has i.e. larger visual field and emergent pupil, and can reduce the size of relaying offset lens group.OLED micro-displays and optical mode
Block, it is possible to be so that the nearly eye display optical system field angle hair of the prism of kind big field angle, it is light weight, small, use peace
It is complete convenient.
The fast demountable night vision device module, is mainly made of night vision device.The fast demountable night vision device module
Structure is a kind of snap device with electrical connection, and including button bit, card slot, the button bit includes closing piece and switch, positioned at night
Depending on instrument tail-hood end, the card slot is located above goggles main body frame, and the electrical connection is a kind of connector, by night vision device
In near-eye display in video signal transmission to goggles, as night vision device eyepiece.
Preferably, the snap device is the three checkpost buckle structures that aluminum alloy materials is selected to be processed into, and enhances fastening machine
The reliability that the wearability and night vision device of structure are connect with goggles.
Preferably, the closing piece is designed with locking mechanism at locked position with night vision device tail-hood corresponding position, that is, is locking
Semicircle boss is designed on the inside of block, has corresponding position to design semi-circular recesses in night vision device tail-hood, for being locked in night vision device
It is reliably fixed under state.
The wireless data transmission module, receive rifle take aim at the vision signal of transmission, and be transmitted to changeable position optical module into
Row display.
For the near-eye display system of the goggle style there are two types of operating mode, night vision device display pattern to take aim at display mould with rifle
Formula, the night vision device display pattern show night vision device picture in changeable position optical module；
The rifle takes aim at pattern, i.e., goggles connection rifle takes aim at system, is switched to after rifle takes aim at display pattern using button, passes through nothing
Line number transmission module transmits, and rifle is taken aim at television image is included in the optical module of changeable position.
Advantages of the present invention：
1) near-eye display system field angle is big, about 35 °.
2) goggles can connect night vision device, and goggles can show the television image of night vision device；
3) television image that can be taken aim at by wireless receiving rifle, is shown；
4) television image that night vision device and rifle are taken aim at can switch over display；
5) not needing to wearer has associated mechanical mechanism assembly knowledge deposit.
6) near-eye display under non-working condition can be stored, avoids blocking wearer's sight, do not influence equipment
In other peripheral hardwares normal use, can adjust damping threshold values, and frequently under use condition, can ensure higher for a long time
Reliability.
Description of the drawings
Fig. 1 overall structure block diagrams
Fig. 2 front views
Fig. 3 rearviews
Fig. 4 principle schematics
Fig. 5 adjustable supports
Fig. 6 damping structure schematic diagrames
Fig. 7 pictorial diagrams
Fig. 8 optical modules
Fig. 9 relays offset lens combination diagram
Figure 10 cemented doublets
Figure 11 component prisms
Figure 12 quick-disassembly structure exploded views
Figure 13 fastening structure figures
Figure 14 night vision device tail cover structure figures
Figure 15 switch open condition figures
Figure 16 switch locking state diagrams
In figure, 1- goggles main bodys, 2- battery modules, position optical module, 4- fast demountable night vision devices can be switched in 3-
Module, 5- wireless data transmission modules, the positive/negative input terminal of the first batteries of 6-, the positive/negative input terminal of the second batteries of 7-, 8- voltage positive outputs
End, 9- voltage negative output terminals, 10- first resistors, 11- second resistances, the 2nd Mos pipes 12 of 12-, the 4th Mos of 13- pipes, 14- first
Mos is managed, the 3rd Mos of 15- pipes, 16- chopped-off head connecting rods, the first Damping rotation shafts of 17-, 18- intermediate connecting rods, the second Damping rotation shafts of 19-,
20- final stage connecting rods, the first axle center of 21-, the first friction plates of 22-, the second friction plates of 23-, 24- third friction plates, 25- the 4th rub
Piece, the first shrapnels of 26-, the first banking stops of 27-, the first nuts of 28-, the second axle center of 29-, the 5th friction plates of 30-, 31- the 6th rub
Pad, the 7th friction plates of 32-, the 8th friction plates of 33-, the second shrapnels of 34-, the second nuts of 35-, 36- optical modules, 37-OLED
Micro-display, 38- shells, 39- lens one, 40- lens two, 41 balsaming lens three, 42- lens three, 43- lens four, 44- lens
Five, 45- prism six, 46- lens seven, 47- button bits 4,48- card slots, 49- connectors, 50- closing pieces, 51- switches, 52- night vision device tails
Lid, 53- male connectors, 54- females, 55- semicircle boss, 56- semi-circular recesses；
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in inventive embodiments is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, shall fall within the protection scope of the present invention.
- 16 are please referred to Fig.1, present invention aims at providing a kind of near-eye display system based on goggle style, including
Battery module 2 that goggles main body 1 and the goggles main body 1 are equipped with, changeable position optical module 3, fast demountable
Night vision device module 4, wireless data transmission module 5.
Using LSR injection molding process, structure is provided mainly as wearable components, and for other modules for goggles main body 1
Support.
Battery module 2 is inverse inserting-preventing battery module, it gives the changeable position optical mode respectively by tandem circuit
Block 3, fast demountable night vision device module 4, wireless data transmission module 5 are powered；The fast demountable night vision device module 4, in night vision
Under instrument display pattern, the television image of night vision device by connector is transferred to and carries out nearly eye to changeable position optical module 3
Display；The television image that rifle is taken aim at is wirelessly transmitted to the changeable position by the wireless data transmission module 5 in the case where rifle takes aim at pattern
It puts optical module 3 and carries out nearly eye and show；
In the present embodiment, it is just defeated to provide the positive/negative input terminal 6 of the first battery, the positive/negative input terminal 7 of the second battery and voltage
Outlet 8 and voltage negative output terminal 9；The circuit includes two resistance and four metal-oxide-semiconductors；Positive/negative 6 one tunnel of input terminal of first battery
Access voltage positive output end 8 after first resistor 10 of connecting, voltage positive output end 8 concatenate the source electrode into the 2nd Mos pipes 12, and second
The grid of the 4th Mos pipes 13 of gate connected in parallel of Mos pipes 12, and it is connected in series to the positive/negative input terminal 6 of the first battery；2nd Mos pipes 12
The drain electrode of drain electrode the 4th Mos pipes 13 in parallel, and it is connected in series to the positive/negative input terminal 7 of the second battery；First Mos pipes, 14 source electrode and first
10 parallel connection of resistance is connected into.Access voltage negative output terminal 9 after positive/negative 7 one tunnel of the input terminal series connection second resistance 11 of second battery, voltage
Negative output terminal 9 concatenates the source electrode into the 4th Mos pipes 13, the grid of the 3rd mos pipes 15 of gate connected in parallel of the first Mos pipes 14, and goes here and there
It is linked to the positive/negative input terminal 7 of the second battery；The drain electrode of drain electrode the 3rd mos pipes 15 in parallel of first Mos pipes 14, and it is connected in series to first
The positive/negative input terminal 6 of battery；3rd Mos pipes, 15 source electrode is in parallel with second resistance 11 to be connected into voltage negative output terminal 9.
In the present embodiment, after battery is packed into, the first situation is：Anode is contacted with the first battery positive/negative 7, is born
Pole is contacted with the second battery positive/negative 8.The first Mos pipes 14 and the 4th Mos pipes 13 are connected after the power is turned on, the 2nd Mos pipes 12 and third
Mos pipes 15 end, and voltage positive output end 8 exports positive voltage, and voltage negative output terminal 9 is grounded；Second situation is：Battery cathode and the
One battery positive/negative 7 contacts, and anode pole is contacted with the second battery positive/negative 8.2nd Mos pipes 12 and the 3rd mos pipes after the power is turned on
15 conductings, the first Mos pipes 14 and the 4th Mos pipes 13 end, and voltage positive output end 8 exports positive voltage, and voltage negative output terminal 9 connects
Ground.
Changeable position optical module 3, including near-eye display adjustable support and near-eye display.
The near-eye display adjustable support be a kind of three-link open chain mechanism, including chopped-off head connecting rod 16, intermediate connecting rod 18,
20 and first Damping rotation shaft 17 of final stage connecting rod and the second Damping rotation shaft 19, described 16 one end of chopped-off head connecting rod are fixed on goggles
In main body 1, the other end connects intermediate connecting rod 18 by the first Damping rotation shaft 17, and the other end of the intermediate connecting rod 18 passes through second
Damping rotation shaft 19 connects final stage connecting rod 20, and the final stage connecting rod 20 is simultaneously the fixed seat of near-eye display.What the present invention used
Damping rotation shaft is simple in structure, small and reliability is high, and stable angle of regulation range can be provided for goggles main body.
In the present embodiment, the first Damping rotation shaft 17 includes the first axle center 21, the first friction plate 22, the second friction plate 23, the
Three friction plates 24, the 4th friction plate 25, the first shrapnel 26, the first banking stop 27 and the first nut 28；On first axle center 21
Be sequentially arranged with the first friction plate 22, the second friction plate 23, chopped-off head connecting rod 16, the first banking stop 27,18 one end of intermediate connecting rod it is logical
Hole, third friction plate 24, the 4th friction plate 25, the first shrapnel 26, end are locked by the first nut 28；First nut
28 lock in 21 end of the first axle center so that first friction plate 22, the second friction plate 23, third friction plate the 24, the 4th rub
It does not produce relative rotation between pad 25, the first shrapnel 26 and the first axle center 21, forms rigid connection relationship；First limit
The through-hole of 18 one end of bit slice 27 and intermediate connecting rod and the first axle center 21 is are fitted close so that the first banking stop 27 and the first axle center
Between 21, intermediate connecting rod do not produce relative rotation between 18 and first axle center 21；16 and first axle center 21 of chopped-off head connecting rod
Between can relatively rotate；
First banking stop 27 has the ring bodies of sector notch for periphery, sector notch with it is convex on chopped-off head connecting rod 16
Block coordinates so that when chopped-off head connecting rod 16 is relatively rotated around the first axle center 21, slewing area is limited to the sector notch range；
The form and group number of the friction plate can be adjusted according to selection according to actual needs；First banking stop 27
Form can be adjusted to 27 upper protruding block of the first banking stop and the form of 16 upper groove of chopped-off head connecting rod cooperation according to actual conditions；
In the present embodiment, the second Damping rotation shaft 19 includes the second axle center 29, the 5th friction plate 30, the 6th friction plate 31, the
Seven friction plates 32, the 8th friction plate 33, the second shrapnel 34, the second banking stop 20 and the second nut 35；On second axle center 29
The 5th friction plate 30, the 6th friction plate 31, the through-hole of 18 other end of intermediate connecting rod, the second banking stop 20, final stage is sequentially arranged with to connect
Bar 20, the 7th friction plate 32, the 8th friction plate 33, the second shrapnel 34, its end are locked by the second nut 35；Second spiral shell
Cap 35 is locked in 29 end of the second axle center,
So that the 5th friction plate 30, the 6th friction plate 31, the 7th friction plate 32, the 8th friction plate 33, the second shrapnel
34 and second do not produce relative rotation between axle center 29, form rigid connection relationship；Second banking stop 20 and centre connect
The through-hole of 18 other end of bar and the second axle center 29 is are fitted close so that 18 other end of the second banking stop 20 and intermediate connecting rod leads to
It does not produce relative rotation between hole and the second axle center 29；It can be relatively rotated between 20 and second axle center 29 of final stage connecting rod；
Second banking stop 20 has the ring bodies of sector notch for periphery, sector notch with it is convex on intermediate connecting rod 18
Block coordinates so that when intermediate connecting rod 18 is relatively rotated around the second axle center 29, slewing area is limited to the sector notch range；
The form and group number of the friction plate can be adjusted according to selection according to actual needs；Second banking stop 20
Form can be adjusted to 20 upper protruding block of the second banking stop and the form of 18 upper groove of intermediate connecting rod cooperation according to actual conditions；
In this example, wear-type equipment, space is small, and near-eye display can only be in perpendicular flat of wear one member human eye sight
Face is moved, and stent requires certain controllability, selects plane three-link structure.
In the present embodiment, ensure during pulling final stage connecting rod 20, near-eye display is in the shape vertical with human eye always
State.
In this example, tighten nut, by squeezing the friction plate of connecting rod both sides, adjust damping size, friction plate to it is long when
Between rotate generation gap carry out pressure compensation, ensure shaft will not because it is frequent when generate loosening.
Near-eye display mainly includes optical module 36, OLED micro-displays 37, shell 38.
The optical module 36 is equipped with relaying offset lens group and component prism 43.The relaying offset lens group is equipped with saturating
Mirror 1, lens 2 40, balsaming lens 3 41.The balsaming lens 3 41 is equipped with lens 3 42, lens 4 43, the prism portion
Part 43 is set to be formed by lens 5 44, prism 6 45 and 7 46 gluing of lens.
The lens 1 act as elimination light source monochromatic aberration with lens 2 40；The work of the cemented doublet 3 41
With to eliminate aberration；The component prism is formed by lens 5 44, prism 6 45 and 7 46 gluing of lens, and it acts as by image
90 ° of image rotation；
The lens 1 are biconcave lens, and OLED micro-displays 37 and lens 2 40 are respectively placed in one 39 both sides of lens,
Wherein OLED micro-displays 37 are located on the focal plane of lens 1；The lens 2 40 are meniscus, lens 1 and double
Balsaming lens 3 41 is respectively placed in the both sides of lens 2 40；The cemented doublet 3 41 is glued by lens 3 42, lens 4 43
It forms, lens 3 42 are planoconvex spotlight, and lens 4 43 are plano-concave mirror, and lens 2 40 and component prism 43 are respectively placed in double glued saturating
3 41 both sides of mirror；The component prism 43, by 5 44 light-emitting surface of lens and 6 45 incidence surface of prism, 6 45 light-emitting surface of prism with thoroughly
7 46 incidence surface gluing of mirror forms.Lens 5 44 and lens 7 46 are planoconvex spotlight；The prism 6 45 is right-angled trapezium rib
Mirror, the base face of the right-angled trapezium prism respectively constitute the incidence surface and light-emitting surface of prism 6 45, rib with adjacent right-angle side face
The inclined edge surfaces of mirror 6 45 and base face structure angle at 45 °.
To meet imaging design requirement, OLED micro-displays 37 should meet with lens 1, relative position relation：
dO4=f '4=5.65mm
Wherein dO4For OLED micro-displays and one 39 spacing of lens, f'4Focal length for lens 1.
The light path of above-mentioned optical module is as follows：OLED micro-displays 37 provide image source, which passes through the optical system
System, the divergent rays of image source outgoing converge outgoing, convergence after lens 1 in a manner of closely collimating after lens 2 40
Light beam reaches component prism 43 by cemented doublet 3 41 with divergent state, and it is appropriate that component prism 43 carries out the divergent beams
Collimation with ensure its outgoing light beam be totally reflected in the inclined edge surfaces of component prism 43, improve the utilization rate of light.And prism
43 emergent light of component is collimated light beam, be ensure that in long-time viewing in use, user's eyes are not tired.
The relaying compensation group that lens 1, lens 2 40, cemented doublet 3 41 are composed in the present invention, can correct
The various aberrations of compensation balance optical system：Aberration, the curvature of field, disperse, distortion etc. so that system is in relation to good image quality；
Using balsaming lens 7, it can turn back light path, and light path is made to turn back 90 °.Respectively there is a glued positive lens at prism both ends, can converge
Light path so that system has i.e. larger visual field and emergent pupil, and can reduce the size of relaying offset lens group.OLED micro-displays 37
With optical module 36, it is possible to be so that the nearly eye display optical system field angle hair of the prism of kind of big field angle, light weight, volume
It is small, it is safe and convenient to use.
Fast demountable night vision device module 5, is mainly made of night vision device, provides a changeable night vision device pattern.Night vision
Instrument module 5 is fixed on using replaceable buckle in goggles main body 1.
The fast demountable night vision device structure is a kind of centre with the snap device being electrically connected, the snap device
Including button bit 47, card slot 48, connector 49, the button bit 47 includes closing piece 50 and switch 51, in night vision device tail-hood 52, is
A kind of three side fastening structures, i.e. two opposite side are made of respectively two rectangle boss, and two rectangle boss gaps are more than rectangular
Shape land length, another side are made of strip boss, and shape is consistent with night vision device tail-hood shape radian, the card slot
48 are located at the top of goggles main body frame 7, corresponding with button bit 47, are similarly a kind of three checkpost slot structures, i.e. two opposite side respectively by
Two rectangular slot positions form, and the gap of the slot position on three sides and 7 upper surface of goggles main body frame is slightly larger than in button bit 47
Boss thickness, the connector 49 includes male connector 53 and female 54, and the male connector 53 is located in night vision device tail-hood 52, the mother
First 54 are located in 1 frame of goggles main body, and the night vision device tail-hood 52 is designed with locking mechanism at 50 locked position of closing piece, i.e.,
The corresponding position design semi-circular recesses 56 in the 50 semicircle boss 55 of inside design of closing piece, night vision device tail-hood 52, by squeezing
Compression locks night vision device.
In the present embodiment, before night vision device is installed, first switch 51 to object lens direction is moved, night vision device is inserted into, to eyepiece
The assembling process of night vision device can be completed in direction moving switch 51；During dismounting, switch 51 is moved to opposite side, pulls up night vision device
The disassembly process of night vision device can be completed.
Fast demountable night vision device module 4 and 5 image of wireless data transmission module can switch over display.
Claims (10)
1. a kind of near-eye display system based on goggle style, which is characterized in that mainly include goggles main body and the shield
Battery module, changeable position optical module, fast demountable night vision device module and the wireless data sending mould that eyepiece main body is equipped with
Block.
The battery module is inverse inserting-preventing battery module, it gives the changeable position optical mode respectively by tandem circuit
Block, fast demountable night vision device module, wireless data transmission module power supply；The fast demountable night vision device module, shows in night vision device
Show under pattern, the television image of night vision device by connector is transferred to and is shown to the nearly eye of changeable position optical module progress；
The television image that rifle is taken aim at is wirelessly transmitted to the changeable position optics by the wireless data transmission module in the case where rifle takes aim at pattern
Module carries out nearly eye and shows.
A kind of 2. near-eye display system based on goggle style as described in claim 1, which is characterized in that the battery mould
Block inputs, electric bridge, voltage output including battery.Battery importation is mainly by cell powers.Bridge section is utilized
The switching characteristic of metal-oxide-semiconductor, the break-make of control circuit, because of metal-oxide-semiconductor internal resistance very little, therefore can using the extra power consumption that metal-oxide-semiconductor generates
To ignore.Voltage output part is the output voltage after electric bridge correction.
The battery module provides the positive/negative input terminal of the first battery, the positive/negative input terminal of the second battery and voltage positive output end
With voltage negative output terminal；The circuit includes two resistance and four metal-oxide-semiconductors；The positive/negative input of first battery connects first all the way
Voltage positive output is accessed after resistance, voltage positive output concatenates the source electrode into the 2nd Mos pipes, the gate connected in parallel the 4th of the 2nd Mos pipes
The grid of Mos pipes, and it is connected in series to the positive/negative input of the first battery；The drain electrode of drain electrode the 4th Mos pipes in parallel of 2nd Mos pipes, and go here and there
It is linked to the positive/negative input of the second battery；First Mos pipes source electrode is in parallel with first resistor to be connected into.The positive/negative input of second battery is gone here and there all the way
Access voltage negative exports after joining second resistance, and voltage negative output concatenates the source electrode into the 4th Mos pipes, and the grid of the first Mos pipes is simultaneously
Join the grid of the 3rd mos pipes, and be connected in series to the positive/negative input of the second battery；The leakage of drain electrode the 3rd mos pipes in parallel of first Mos pipes
Pole, and it is connected in series to the positive/negative input of the first battery；3rd Mos pipes source electrode is in parallel with second resistance to be connected into voltage negative output.
3. a kind of near-eye display system based on goggle style as described in claim 1, which is characterized in that described changeable
Position optical module includes near-eye display adjustable support and near-eye display；
The near-eye display adjustable support is open chain link mechanism, and including connecting rod and Damping rotation shaft, the open chain connecting rod includes：
The chopped-off head connecting rod being fixed in goggles main body connects the final stage connecting rod of near-eye display and connects chopped-off head connecting rod and final stage
The intermediate connecting rod mechanism of connecting rod, the intermediate connecting rod mechanism are to adjust the primary drive mechanism of near-eye display, and the damping turns
Axis is the revolute pair in open chain link mechanism, the rotation axis as adjacent links.
4. a kind of near-eye display system based on goggle style as claimed in claim 3, which is characterized in that the connecting rod with
Damping rotation shaft designs anti-rotation structure.
5. a kind of near-eye display system based on goggle style as claimed in claim 3, which is characterized in that the damping turns
Axis includes axle center, friction plate, shrapnel, banking stop and nut, and the friction plate, shrapnel connect two adjacent companies by axle center and nut
Bar, the banking stop are the range for limiting adjustable support angle adjustable.
6. a kind of near-eye display system based on goggle style as described in claim 1, which is characterized in that the nearly eye is shown
Show that device mainly includes optical module, OLED micro-displays, shell.
The optical module includes relaying offset lens group and component prism；The relaying offset lens group includes what is be sequentially arranged
Lens one, lens two and cemented doublet three；The component prism is formed by lens five, prism six and seven gluing of lens；
The lens one act as elimination light source monochromatic aberration with lens two；The cemented doublet three act as elimination color
Difference；By lens five, prism six and lens seven, gluing forms the component prism, and it acts as by 90 ° of image image rotation；
The lens one are biconcave lens, and OLED micro-displays and lens two are respectively placed in one both sides of lens, and wherein OLED is micro- aobvious
Show that device is located on the focal plane of lens one；The lens two are meniscus, and lens one and cemented doublet three are respectively placed in
The both sides of mirror two；The cemented doublet three is formed by lens three, four gluing of lens, and lens three are planoconvex spotlight, and lens four are
Plano-concave mirror, lens two and component prism are respectively placed in three both sides of cemented doublet；The component prism, by five light-emitting surface of lens with
Six incidence surface of prism, six light-emitting surface of prism are formed with seven incidence surface gluing of lens.Lens five and lens seven are planoconvex spotlight；Institute
Prism six is stated as right-angled trapezium prism, the base face of the right-angled trapezium prism respectively constitutes prism six with adjacent right-angle side face
Incidence surface and light-emitting surface, inclined edge surfaces and the base face structure angle at 45 ° of prism six.
To meet imaging design requirement, OLED micro-displays should meet with lens one, relative position relation：
dO4=f '4
Wherein dO4For OLED micro-displays and one spacing of lens, f'4Focal length for lens.
7. a kind of near-eye display system based on goggle style as described in claim 1, which is characterized in that it is described can be quick
Night vision device module is dismounted, is mainly made of night vision device；The structure of the fast demountable night vision device module is to be a kind of with electrical
The snap device of connection, including button bit, card slot, the button bit includes closing piece and switch, positioned at night vision device tail-hood end, the card
Slot is located above goggles main body frame, and the electrical connection is a kind of connector, by night vision device video signal transmission to eye protection
In near-eye display in mirror, as night vision device eyepiece.
A kind of 8. near-eye display system based on goggle style as claimed in claim 7, which is characterized in that the fastening machine
Structure is the three checkpost buckle structures that aluminum alloy materials is selected to be processed into.
9. a kind of near-eye display system based on goggle style as claimed in claim 7, which is characterized in that the closing piece exists
Locking mechanism is designed with night vision device tail-hood corresponding position at locked position, i.e., semicircle boss, night vision are designed on the inside of closing piece
There is corresponding position to design semi-circular recesses in instrument tail-hood, for being reliably fixed under night vision device locking state.
10. a kind of near-eye display system based on goggle style as claimed in claim 7, which is characterized in that described wireless
Digital transmission module receives rifle and takes aim at the vision signal of transmission, and be transmitted to changeable position optical module and shown.
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| CN201711468207.1A CN108132534B (en) | 2017-12-29 | 2017-12-29 | Near-to-eye display system based on goggles form |
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| CN201711468207.1A CN108132534B (en) | 2017-12-29 | 2017-12-29 | Near-to-eye display system based on goggles form |
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| WO2022179289A1 (en) * | 2021-02-24 | 2022-09-01 | Oppo广东移动通信有限公司 | Near-eye display detection lens and near-eye display device |
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| CN108132534B (en) | 2020-09-04 |
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