CN108919497B - Diopter adjusting digital display mechanism of head-mounted display - Google Patents
Diopter adjusting digital display mechanism of head-mounted display Download PDFInfo
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- CN108919497B CN108919497B CN201810910124.1A CN201810910124A CN108919497B CN 108919497 B CN108919497 B CN 108919497B CN 201810910124 A CN201810910124 A CN 201810910124A CN 108919497 B CN108919497 B CN 108919497B
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- 230000003068 static effect Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 2
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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
- G02B27/017—Head mounted
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Abstract
The invention relates to a diopter adjusting digital display mechanism of a head-mounted display, which comprises a rear seat, a mirror frame and a diopter adjusting component for adjusting the rear seat to move towards or away from the mirror frame; the diopter adjusting digital display mechanism of the head-mounted display further comprises a diopter digital display assembly, a signal adjusting assembly and a signal acquisition and conversion assembly, wherein the signal change value of the signal adjusting assembly is acquired and converted into a digital display signal, and the digital display signal is sent to the diopter display assembly for display; the signal adjusting component is driven by the diopter adjusting component to generate signal change; the signal adjusting component is driven to move together by the movement of the diopter adjusting component, the signal collecting and converting component captures the signal change value or the value after the signal change, and outputs corresponding digital display signals to the diopter display component to display numerical values according to preset corresponding rules or calculation rules, so that the diopter adjusting digital display function is realized, and the difficult problem of inconvenient memory adjustment and tracing is solved.
Description
Technical Field
The invention relates to the technical field of head-mounted displays, in particular to a diopter adjustment digital display mechanism of a head-mounted display.
Background
And the head-mounted display is used for sending optical signals to eyes so as to achieve different effects such as virtual reality, augmented reality, mixed reality and the like.
When the diopter of the existing head-mounted display on the market is adjusted, no specific adjusting numerical value is displayed, and the adjustment can be only performed through blind operation, so that the adjustment and the tracing are inconvenient to memorize.
Disclosure of Invention
The invention aims to solve the technical problem of providing a digital display mechanism for adjusting diopter of a head-mounted display aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
constructing a diopter adjusting digital display mechanism of a head-mounted display, wherein the diopter adjusting digital display mechanism comprises a rear seat for mounting a display screen, a lens frame for mounting an eyepiece, and a diopter adjusting component for adjusting the interval between the rear seat and the lens frame; the diopter adjustment digital display mechanism of the head-mounted display further comprises a diopter digital display assembly, a signal adjustment assembly and a signal acquisition and conversion assembly, wherein the signal change value of the signal adjustment assembly is acquired and converted into a digital display signal, and the digital display signal is sent to the diopter display assembly for display; the signal adjusting component is driven by the diopter adjusting component to generate signal change.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein a signal adjustment assembly comprises a circuit board and a metal contact piece; the circuit board is provided with a multi-gear signal trigger; the metal contact piece moves along with the diopter adjusting component to trigger different gears of the multi-gear signal trigger.
The invention discloses a diopter adjustment digital display mechanism of a head-mounted display, wherein a signal acquisition and conversion assembly comprises an acquisition module for acquiring signals of a multi-gear signal trigger on a circuit board and a video encoder for converting the signals acquired by the acquisition module into diopter digital display pictures, and the video encoder sends the converted diopter digital display pictures to the diopter digital display assembly for display.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein an adjustment column is arranged on the side surface of a rear seat; the diopter adjusting component comprises an adjusting knob and a turntable cam driven by the adjusting knob to rotate; the turntable cam is provided with an arc-shaped adjusting groove corresponding to the adjusting column.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein a dial is fixed on the surface of one side of an adjustment knob, which is away from a turntable cam.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein an adjustment knob is fixedly connected with a turntable cam through a connecting piece; the circuit board is provided with a first via hole matched with the connecting piece; the multi-gear signal trigger comprises an annular static contact surrounding the first via hole and a plurality of movable contacts distributed in an annular shape surrounding the first via hole; the metal contact piece rotates along with the rotation of the adjusting knob, and is provided with a first metal elastic piece contacted with the static contact and a second metal elastic piece triggered corresponding to the movable contact; the first metal elastic sheet is electrically connected with the second metal elastic sheet.
The invention relates to a diopter adjusting digital display mechanism of a head-mounted display, wherein the diopter adjusting component further comprises a fixed base, and the fixed base is fixedly connected with a mirror frame and/or a shell of the head-mounted display; the fixed base is provided with a second via hole corresponding to the connecting piece; the circuit board is fixedly connected with the fixed base.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein a positioning gear is fixed on one side of an adjustment knob, which faces a turntable cam; the fixed base is provided with a positioning block; the positioning block is positioned above the positioning gear, and the lower surface of the positioning block is provided with a mounting groove; the mounting groove is internally provided with balls corresponding to the gear ring on the positioning gear and elastic pieces for providing a propping force for the balls.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein a connecting piece is a screw rod; the surface of the turntable cam, which faces the side of the fixed base, is provided with a stud correspondingly connected with the screw; the second via size matches the stud size.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein a rotary table is fixed on an adjustment knob and is fixedly connected with a positioning gear; the turntable and the turntable cam are fixedly connected through the connecting piece; the positioning gear and the metal contact piece are respectively provided with a third via hole corresponding to the connecting piece; the end face of one end of the stud, which is away from the turntable cam, is provided with a plurality of positioning columns; the inner wall of the third via hole is provided with a plurality of clamping grooves which are in one-to-one correspondence with the positioning columns; and the stud and the positioning gear are clamped and fixed on the metal contact piece.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein one of the rear seat and the mirror frame is provided with a guide rod, and the other is provided with a guide sleeve matched with the guide rod.
The invention relates to a diopter adjustment digital display mechanism of a head-mounted display, wherein a rear seat is connected with a mirror frame through a spring.
The invention has the beneficial effects that: when the interval between the rear seat and the mirror frame is regulated by the diopter regulating component, the signal regulating component is driven to move together by the diopter regulating component, the signal regulating component generates signal change along with the diopter regulating component, the signal collecting and converting component captures the signal change value or the value after the signal change, and corresponding digital display signals are output to the diopter display component for displaying numerical values according to preset corresponding rules or calculation rules, so that the diopter regulating digital display function is realized, and the difficult problem that the memory, the adjustment and the tracing are inconvenient in the technical background is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is an exploded view of a digital display mechanism for adjusting diopter of a head mounted display according to a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the positioning gear, metal contact plate, circuit board, stationary base and turret cam assembly of the diopter adjustment digital display mechanism of the head mounted display of the preferred embodiment of this invention;
FIG. 3 is an overall view of a digital display mechanism for adjusting diopter of a head mounted display according to a preferred embodiment of the present invention;
FIG. 4 is a diagram showing the cooperation of balls and positioning gears of a digital display mechanism for adjusting diopter of a head mounted display according to a preferred embodiment of the present invention;
fig. 5 is a schematic block diagram of a digital display mechanism for adjusting diopter of a head mounted display according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The digital display mechanism for adjusting diopter of the head-mounted display of the preferred embodiment of the invention is shown in fig. 1, and referring to fig. 2-5, the digital display mechanism comprises a rear seat 1 for mounting a display screen, a lens frame 2 for mounting an eyepiece, and a diopter adjusting component 3 for adjusting the interval between the rear seat 1 and the lens frame 2; the diopter adjusting digital display mechanism of the head-mounted display further comprises a diopter digital display assembly 4, a signal adjusting assembly 5 and a signal acquisition and conversion assembly 6, wherein the signal change value of the signal adjusting assembly 5 is acquired and converted into a digital display signal, and the digital display signal is sent to the diopter display assembly 4 for display; the signal adjusting component 5 is driven by the diopter adjusting component 3 to generate signal change; when the interval between the rear seat 1 and the mirror frame 2 is regulated by the diopter regulating component 3, the movement of the diopter regulating component 3 drives the signal regulating component 5 to move together, the signal regulating component 5 generates signal change along with the movement of the diopter regulating component 3, the signal collecting and converting component 6 captures the signal change value or the value after the signal change, and corresponding digital display signals are output to the diopter display component 4 according to preset corresponding rules or calculation rules to display numerical values, so that the diopter regulating digital display function is realized, and the difficult problem that the adjustment and tracing are inconvenient to memorize in the technical background is solved.
As shown in fig. 1, 2, 3 and 5, the signal conditioning assembly 5 includes a circuit board 50 and a metal contact plate 51; the circuit board 50 is provided with a multi-gear signal trigger 500; the metal contact plate 51 moves along with the diopter adjusting component 3 to trigger different gears of the multi-gear signal trigger 500; the metal contact piece 51 is driven to move through the action of the diopter adjusting component 3, different gears on the multi-gear signal trigger 500 are triggered, and adjustment of follow-up signal change is achieved;
preferably, different gears of the multi-gear signal trigger 500 respectively output binary signals representing different values; the compiling and decoding speed is high, the accuracy is high, and the realization cost is low.
As shown in fig. 1, 2, 3 and 5, the signal acquisition and conversion assembly 6 includes an acquisition module 60 for acquiring signals of the multi-gear signal trigger 500 on the circuit board 50, and a video encoder 61 for converting the signals acquired by the acquisition module 60 into diopter digital display pictures, and the video encoder 61 sends the converted diopter digital display pictures to the diopter digital display assembly 4 for display.
As shown in fig. 1, 2 and 3, the rear seat 1 side surface is provided with an adjustment post 10; the diopter adjusting component 3 comprises an adjusting knob 30 and a rotary disc cam 31 which is driven to rotate by the adjusting knob 30; the turntable cam 31 is provided with an arc-shaped adjusting groove 310 corresponding to the adjusting column 10; the rotary table cam 31 is driven to rotate through the rotation of the adjusting knob 30, and then the adjusting groove 310 rotates to drive the adjusting column 10 to move, so that the adjusting structure is good in stability and high in adjusting speed.
As shown in fig. 1, 2 and 3, a dial 32 is fixed to a surface of the adjusting knob 30 on a side facing away from the dial cam 31.
As shown in fig. 1, 2, 3 and 5, the adjusting knob 30 is fixedly connected with the turntable cam 31 through a connecting piece 33; the circuit board 50 is provided with a first via 501 matched with the connecting piece 33; the multi-gear signal trigger 500 comprises an annular fixed contact 502 surrounding a first via 501, and a plurality of movable contacts 503 distributed in an annular shape around the first via 502; the metal contact piece 51 rotates along with the rotation of the adjusting knob 30, and a first metal elastic piece 510 contacted with the fixed contact 502 and a second metal elastic piece 511 triggered corresponding to the movable contact 503 are arranged on the metal contact piece 51; the first metal spring piece 510 and the second metal spring piece 511 are electrically connected;
the annular stationary contact 502 is arranged and is always electrically connected with the first metal elastic sheet 510 in the process that the metal contact sheet 51 rotates along with the adjusting knob 30, then the second metal elastic sheet 511 contacts with different movable contacts 503 when rotating along with the adjusting knob 30, the first metal elastic sheet 510 is electrically connected with the second metal elastic sheet 511, so that conduction between the stationary contact 502 and different movable contacts 503 is realized, a preset corresponding gear signal is correspondingly output, and the adjusting stability and the reliability are good;
preferably, each different movable contact 503 corresponds to a different binary signal output value;
preferably, the first metal spring piece 510 and the second metal spring piece 511 are electrically connected through the conductivity of the metal contact piece 51; of course, the protection scope of the present application can also be achieved by means of electrical connection of wires.
As shown in fig. 1, 2 and 3, the diopter adjustment assembly 3 further comprises a fixed base 34, the fixed base 34 being fixedly connected to the frame 2 and/or to the housing 7 of the head-mounted display; the fixed base 34 is provided with a second via 340 corresponding to the connecting piece 33; the circuit board 50 is fixedly connected with the fixed base 34; the fixed base 34 is used for supporting each component part on the diopter adjusting component 3 during assembly, so that the assembly is convenient, and meanwhile, the stability during adjusting activities is guaranteed.
As shown in fig. 1, 2, 3 and 4, a positioning gear 35 is fixed on the side of the adjusting knob 30 facing the turntable cam 31; the fixed base 34 is provided with a positioning block 341; the positioning block 341 is positioned above the positioning gear 35, and the lower surface is provided with a mounting groove 344; the mounting groove 344 is provided therein with balls 342 corresponding to the upper ring gear of the positioning gear 35, and an elastic member 343 providing a pressing force to the balls 342; when the adjusting knob 30 rotates to be adjusted, the positioning gear 35 rotates along with the positioning gear, and the ball 342 is extruded upwards, so that the ball enters an adjacent tooth port from one tooth port on the positioning gear 35, and after adjustment, the ball is positioned and simultaneously sends out in-place prompt sound, so that stability and use comfort are ensured.
As shown in fig. 1, 2 and 3, the connection member 33 is a screw; the surface of the turntable cam 31, which faces the fixed base 34, is provided with a stud 311 correspondingly connected with the screw; the second via 340 size matches the stud size; the turntable cam 31 is prevented from being shifted or loosened by the cooperation of the stud and the second through hole 340 while facilitating connection.
As shown in fig. 1, 2, 3 and 4, a rotary table 300 is fixed on the adjusting knob 30, and the rotary table 300 is fixedly connected with the positioning gear 35; the turntable 300 is fixedly connected with the turntable cam 31 through a connecting piece 33; the positioning gear 35 and the metal contact piece 51 are provided with third through holes 36 corresponding to the connecting pieces 33; the end face of one end of the stud 311, which is away from the turntable cam 31, is provided with a plurality of positioning columns 312; the inner wall of the third via hole 36 is provided with a plurality of clamping grooves 360 which are in one-to-one correspondence with the positioning columns 312; the stud 311 and the positioning gear 35 clamp and fix the metal contact piece 51; when further preventing the adjustment, the positioning gear 35, the metal contact piece 51 and the turntable cam 31 are moved relatively to each other, so that the assembly is convenient and the stability is good.
As shown in fig. 1 and 3, one of the rear seat 1 and the mirror frame 2 is provided with a guide rod 20, and the other is provided with a guide sleeve 11 matched with the guide rod 20; guiding is carried out when the rear seat 1 moves, so that stability in adjustment is ensured;
preferably, the adjusting column 10 is arranged on the guide sleeve 11.
As shown in fig. 1 and 3, the rear seat 1 and the mirror frame 2 are connected by a spring 8; the pulling force or repulsive force is always generated between the rear seat 1 and the mirror frame 2 in the moving process, and the moving stability is guaranteed. It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (8)
1. The diopter adjusting digital display mechanism of the head-mounted display is characterized by comprising a rear seat for mounting a display screen, a lens frame for mounting an eyepiece, and a diopter adjusting component for adjusting the interval between the rear seat and the lens frame; the diopter adjustment digital display mechanism of the head-mounted display further comprises a diopter digital display assembly, a signal adjustment assembly and a signal acquisition and conversion assembly, wherein the signal change value of the signal adjustment assembly is acquired and converted into a digital display signal, and the digital display signal is sent to the diopter digital display assembly for display; the signal adjusting component is driven by the diopter adjusting component to move so as to generate signal change; the signal conditioning assembly comprises a circuit board and a metal contact piece; the circuit board is provided with a multi-gear signal trigger; the metal contact piece moves along with the diopter adjusting component to trigger different gears of the multi-gear signal trigger; the signal acquisition and conversion assembly comprises an acquisition module for acquiring signals of the multi-gear signal trigger on the circuit board and a video encoder for converting the signals acquired by the acquisition module into diopter digital display pictures, and the video encoder sends the converted diopter digital display pictures to the diopter digital display assembly for display; the side surface of the rear seat is provided with an adjusting column; the diopter adjusting component comprises an adjusting knob and a turntable cam driven by the adjusting knob to rotate; an arc-shaped adjusting groove corresponding to the adjusting column is formed in the turntable cam; the adjusting knob is fixedly connected with the turntable cam through a connecting piece; the circuit board is provided with a first via hole matched with the connecting piece; the multi-gear signal trigger comprises an annular static contact surrounding the first via hole and a plurality of movable contacts distributed in an annular shape surrounding the first via hole; the metal contact piece rotates along with the rotation of the adjusting knob, and is provided with a first metal elastic piece contacted with the static contact and a second metal elastic piece triggered corresponding to the movable contact; the first metal elastic sheet is electrically connected with the second metal elastic sheet.
2. The head mounted display diopter adjustment digital display mechanism of claim 1, wherein a dial is fixed to a surface of a side of the adjustment knob facing away from the dial cam.
3. The head mounted display diopter adjustment digital display mechanism of claim 1, wherein said diopter adjustment assembly further comprises a fixed base fixedly connected to said frame and/or to the housing of the head mounted display; the fixed base is provided with a second via hole corresponding to the connecting piece; the circuit board is fixedly connected with the fixed base.
4. The head mounted display diopter adjustment digital display mechanism of claim 3, wherein a positioning gear is fixed on the side of the adjustment knob facing the turntable cam; the fixed base is provided with a positioning block; the positioning block is positioned above the positioning gear, and the lower surface of the positioning block is provided with a mounting groove; the mounting groove is internally provided with balls corresponding to the gear ring on the positioning gear and elastic pieces for providing a propping force for the balls.
5. The head mounted display diopter adjustment digital display mechanism of claim 4, wherein the connector is a screw; the surface of the turntable cam, which faces the side of the fixed base, is provided with a stud correspondingly connected with the screw; the second via size matches the stud size.
6. The digital display mechanism for adjusting diopter of a head mounted display according to claim 5, wherein a rotary disk is fixed on the adjusting knob, and the rotary disk is fixedly connected with the positioning gear; the turntable and the turntable cam are fixedly connected through the connecting piece; the positioning gear and the metal contact piece are respectively provided with a third via hole corresponding to the connecting piece; the end face of one end of the stud, which is away from the turntable cam, is provided with a plurality of positioning columns; the inner wall of the third via hole is provided with a plurality of clamping grooves which are in one-to-one correspondence with the positioning columns; and the stud and the positioning gear are clamped and fixed on the metal contact piece.
7. The mechanism of any one of claims 1-6, wherein one of the back seat and the frame is provided with a guide bar, and the other is provided with a guide sleeve cooperating with the guide bar.
8. The head mounted display diopter adjustment digital display mechanism of claim 7, wherein said rear seat and said frame are connected by a spring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810910124.1A CN108919497B (en) | 2018-08-10 | 2018-08-10 | Diopter adjusting digital display mechanism of head-mounted display |
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| CN201810910124.1A CN108919497B (en) | 2018-08-10 | 2018-08-10 | Diopter adjusting digital display mechanism of head-mounted display |
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| CN108919497B true CN108919497B (en) | 2024-03-26 |
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