CN114019680A - Imaging optimization system and method for AR glasses - Google Patents
Imaging optimization system and method for AR glasses Download PDFInfo
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- 238000003384 imaging method Methods 0.000 title claims abstract description 65
- 239000011521 glass Substances 0.000 title claims abstract description 39
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- 238000005286 illumination Methods 0.000 claims abstract description 73
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- 238000002834 transmittance Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 31
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- G—PHYSICS
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- 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
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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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- 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
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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
- G02B2027/0178—Eyeglass type
Abstract
The invention discloses an imaging optimization system and method for AR glasses, which comprises a lens assembly, wherein the lens assembly comprises an electrochromic lens and a waveguide sheet; the distance adjusting module is arranged between the electrochromic lens and the waveguide sheet; the ambient light detection module is used for detecting the illumination intensity data of ambient light in real time; the distance detection module is used for detecting the distance data between the electrochromic lens and the waveguide sheet in real time; the light emitting module is arranged at the lower end of the waveguide sheet; the control module is used for processing according to the illumination intensity data and the distance data to obtain a distance adjusting instruction, a voltage adjusting instruction and a light adjusting instruction; the distance adjusting module adjusts the distance between the electrochromic lens and the waveguide sheet according to the distance adjusting instruction; the electrochromic lens adjusts the transmittance of the lens according to the voltage adjusting instruction; the light emitting module adjusts the light intensity of the light emitted to the waveguide sheet according to the light adjusting instruction. The invention optimizes the imaging effect of the AR glasses.
Description
Technical Field
The invention relates to the technical field of intelligent equipment, in particular to an imaging optimization system and method for AR glasses.
Background
The AR glasses are wearable devices, and after a user wears the AR glasses, the user can see a picture that a virtual object is overlaid to an entity environment. At present, more and more AR glasses appear in the public vision, and the AR glasses are very convenient for the daily life of users and the requirements of various production and manufacturing aspects.
Electrochromism refers to a phenomenon in which optical properties (reflectivity, transmittance, absorption, and the like) of a material undergo a stable and reversible color change under the action of an applied electric field, and is visually represented as a reversible change in color and transparency. Lenses with electrochromic properties are referred to as electrochromic lenses.
At present, the existing AR glasses generally adopt dark color or gradient color shading sheets to shield the influence of external light on the imaging quality of the AR glasses, but the glasses which cannot change the light transmittance cannot adjust the AR glasses according to the illumination intensity data of incident light, so that the imaging quality of the AR glasses cannot be kept optimal in different use scenes.
Disclosure of Invention
In view of the defects in the prior art, the present invention aims to provide an imaging optimization system for AR glasses, which is used for optimizing the imaging effect of the AR glasses.
In order to achieve the purpose, the invention provides the following technical scheme: an imaging optimization system for AR glasses, comprising a lens assembly comprising an electrochromic lens and a waveguide, the lens assembly exposed to external ambient light that passes through the electrochromic lens and images in an imaging area on the waveguide;
the distance adjusting module is arranged between the electrochromic lens and the waveguide sheet;
the ambient light detection module is used for detecting the illumination intensity data of the ambient light in real time;
the distance detection module is used for detecting the distance data between the electrochromic lens and the waveguide sheet in real time;
the light emitting module is arranged at the lower end of the waveguide sheet;
the control module is respectively connected with the ambient light detection module, the distance adjusting module, the light emitting module and the electrochromic lens and is used for processing according to the illumination intensity data and the distance data to obtain a distance adjusting instruction, a voltage adjusting instruction and a light adjusting instruction;
the distance adjusting module adjusts the distance between the electrochromic lens and the waveguide sheet according to the distance adjusting instruction;
the electrochromic lens adjusts the lens transmittance according to the voltage adjusting instruction;
and the light emitting module adjusts the light intensity of the light emitted to the waveguide sheet according to the light adjusting instruction so as to optimize the imaging effect in the imaging area.
Further, the control module includes:
the receiving unit is used for receiving the distance data and the illumination intensity data in real time;
the first storage unit is used for storing a preset first intensity threshold value and a preset second intensity threshold value, wherein the first intensity threshold value is smaller than the second intensity threshold value;
the first comparing unit is respectively connected with the receiving unit and the first storage unit and is used for comparing the illumination intensity data with the first intensity threshold value and the second intensity threshold value respectively, generating a first voltage adjusting instruction and a first light adjusting instruction when the illumination intensity data is greater than the first intensity threshold value, and generating a second voltage adjusting instruction and a second light adjusting instruction when the illumination intensity data is less than the second intensity threshold value;
the electrochromic lens reduces the lens transmittance according to the first voltage adjustment instruction and increases the lens transmittance according to the second voltage adjustment instruction;
the light emitting module reduces the light intensity according to the first light adjusting instruction, and improves the light intensity according to the second light adjusting instruction.
Further, the control module further comprises:
the second storage unit is used for storing a preset first distance threshold and a preset second distance threshold, wherein the first distance threshold is larger than the second distance threshold;
the second comparing unit is respectively connected with the receiving unit, the second storing unit and the first comparing unit, and is used for comparing the distance data with the first distance threshold and the second distance threshold respectively, and generating a first distance adjusting instruction when the distance data is greater than the first distance threshold and the illumination intensity data is less than the second intensity threshold;
when the distance data is smaller than the second distance threshold and the illumination intensity data is larger than the first intensity threshold, generating a second distance adjusting instruction;
the distance adjustment module decreases the distance between the electrochromic lens and the waveguide sheet according to the first distance adjustment instruction, and increases the distance between the electrochromic lens and the waveguide sheet according to the second distance adjustment instruction.
Further, the control module further comprises a filtering unit, which is respectively connected with the receiving unit, the first comparing unit and the second comparing unit 65, wherein the filtering unit is used for comparing the distance data with the storage capacity occupied by the illumination intensity data with a preset storage capacity threshold value, and when the distance data or the storage capacity occupied by the illumination intensity data is smaller than the storage capacity threshold value, the distance data or the illumination intensity data are filtered, and the filtered distance data are sent to the second comparing unit, and the filtered illumination intensity data are sent to the first comparing unit.
Further, the distance adjusting module comprises a driving assembly and a driven assembly, wherein the driving assembly comprises a driving motor, a polished rod, a rotating bearing, a first fixed block, a lead screw, a first limiting plate, a first sliding block and a sliding limiting plate;
the driving motor is vertically placed upwards, the upper end of an output shaft of the driving motor is coaxially connected with the lower end of the polished rod, the rotating bearing is sleeved on the outer wall of the polished rod in a sliding manner, the first fixed block is fixedly sleeved on the outer wall of the rotating bearing, one end of the waveguide sheet is fixed by the first fixed block, the upper end of the polished rod is coaxially connected with the lower end of the lead screw, the first limiting plate is fixedly arranged at the upper end of the lead screw, the first slider is sleeved on the lead screw in a threaded manner, the first slider is fixedly connected with one end of the electrochromic lens, the sliding limiting plate is arranged on the outer side of the lead screw and is parallel to the lead screw, the sliding limiting plate is provided with a limiting chute, and the first slider is connected in the limiting chute in a sliding manner;
the driven assembly comprises a sliding rod, a second fixed block, a second sliding block and a second limiting plate, the sliding rod is vertically arranged, the second fixed block is fixedly sleeved on the sliding rod, the height of the second fixed block is consistent with that of the first fixed block in the vertical direction, and the second fixed block is fixedly connected with one end, far away from the first fixed block, of the waveguide sheet;
the second sliding block is in sliding sleeve connection with the sliding rod, the height of the second sliding block is consistent with that of the first sliding block in the vertical direction, and the second sliding block is fixedly connected with one end, away from the first sliding block, of the waveguide sheet.
Furthermore, a prism is embedded at the lower end of the waveguide sheet, the prism comprises an incident surface and a reflecting surface which are perpendicular to each other, the light emitting end of the light emitting module faces the incident surface, and the reflecting surface faces the imaging area.
Furthermore, the light emitting module is an optical mechanical module.
Further, the distance detection module is an ultrasonic ranging sensor, the ultrasonic ranging sensor is fixed on the inner wall of the waveguide sheet, and a detection probe of the ultrasonic ranging sensor vertically faces the inner wall of the electrochromic lens.
An imaging optimization method for AR glasses is applied to the imaging optimization system for AR glasses, and comprises the following steps:
step S1, detecting the illumination intensity data of the environment light in real time by an environment light detection module, and detecting the spacing data between the electrochromic lens and the waveguide piece in real time by a distance detection module;
step S2, the control module processes the illumination intensity data and the distance data to obtain a distance adjusting instruction, a voltage adjusting instruction and a light adjusting instruction;
and step S3, the distance adjusting module adjusts the distance between the electrochromic lens and the waveguide sheet according to the distance adjusting instruction, the electrochromic lens adjusts the lens transmittance according to the voltage adjusting instruction, and the light emitting module adjusts the light intensity of the light emitted to the waveguide sheet according to the light adjusting instruction so as to optimize the imaging effect in the imaging area.
Further, the step S2 includes:
step S21, the receiving unit receives the distance data and the illumination intensity data in real time;
step S22, the first storage unit stores a preset first intensity threshold and a preset second intensity threshold, where the first intensity threshold is smaller than the second intensity threshold;
step S23, the first comparing unit compares the illumination intensity data with the first intensity threshold and the second intensity threshold, respectively, and generates a first voltage adjusting instruction and a first light adjusting instruction when the illumination intensity data is greater than the first intensity threshold, and generates a second voltage adjusting instruction and a second light adjusting instruction when the illumination intensity data is less than the second intensity threshold.
The invention has the beneficial effects that:
according to the invention, the distance adjusting instruction, the voltage adjusting instruction and the light adjusting instruction are obtained by processing the illumination intensity data and the distance data which are detected in real time, so that the adjustment of the distance between the electrochromic lens and the waveguide sheet, the adjustment of the lens transmittance and the light intensity of light emitted by the waveguide sheet are respectively realized, the optimization of the imaging effect in the imaging area on the waveguide sheet is further realized, and the user impression is better.
Drawings
FIG. 1 is a schematic diagram of the structure of an imaging optimization system for AR glasses according to the present invention;
FIG. 2 is a schematic diagram of the configuration of the imaging optimization system for AR glasses according to the present invention;
FIG. 3 is a flow chart of an imaging optimization method for AR glasses in the present invention;
fig. 4 is a sub-flowchart of the imaging optimization method for AR glasses in the present invention.
Reference numerals: 1. a lens assembly; 11. an electrochromic lens; 12. a waveguide sheet; 13. an imaging region; 2. a distance adjustment module; 21. a drive motor; 22. a polish rod; 23. a rotating bearing; 24. a first fixed block; 25. a screw rod; 26. a first limit plate; 27. a first slider; 28. a sliding limit plate; 29. a slide bar; 210. a second fixed block; 211. a second slider; 212. a second limiting plate; 3. an ambient light detection module; 4. a distance detection module; 5. a light emitting module; 6. a control module; 61. a receiving unit; 62. a first storage unit; 63. a first comparing unit; 64. a second storage unit; 65. a second comparing unit; 66. a filtration unit; 7. and a prism.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 and 2, an imaging optimization system for AR glasses of the present embodiment includes:
the lens assembly 1 comprises an electrochromic lens 11 and a waveguide sheet 12, wherein the lens assembly 1 is exposed to the irradiation of external ambient light, and the ambient light penetrates through the electrochromic lens 11 and forms an image in an imaging area 13 on the waveguide sheet 12;
the distance adjusting module 2 is arranged between the electrochromic lens 11 and the waveguide sheet 12;
the ambient light detection module 3 is used for detecting the illumination intensity data of ambient light in real time;
the distance detection module 4 is used for detecting the distance data between the electrochromic lens 11 and the waveguide sheet 12 in real time;
the light emitting module 5 is arranged at the lower end of the waveguide sheet 12;
the control module 6 is respectively connected with the ambient light detection module 3, the distance detection module 4, the distance adjustment module 2, the light emission module 5 and the electrochromic lens 11 and is used for processing according to the illumination intensity data and the distance data to obtain a distance adjustment instruction, a voltage adjustment instruction and a light adjustment instruction;
the distance adjusting module 2 adjusts the distance between the electrochromic lens 11 and the waveguide sheet 12 according to the distance adjusting instruction;
the electrochromic lens 11 adjusts the lens transmittance according to the voltage adjusting instruction;
the light emitting module 5 adjusts the intensity of light emitted to the waveguide sheet 12 according to the light adjustment instruction to optimize the imaging effect in the imaging region 13.
According to the technical scheme, the distance adjusting instruction, the voltage adjusting instruction and the light adjusting instruction are obtained by processing the illumination intensity data and the distance data which are detected in real time, the adjustment of the distance between the electrochromic lens 11 and the waveguide sheet 12, the adjustment of the lens transmittance and the adjustment of the light intensity of the light emitted by the waveguide sheet 12 are respectively realized, and then the optimization of the imaging effect in the imaging area 13 on the waveguide sheet 12 is realized, so that the user can have a better impression.
Preferably, the control module 6 comprises:
a receiving unit 61, configured to receive the distance data and the illumination intensity data in real time;
the first storage unit 62 is configured to store a preset first intensity threshold and a preset second intensity threshold, where the first intensity threshold is smaller than the second intensity threshold;
the first comparing unit 63 is respectively connected with the receiving unit 61 and the first storage unit 62, and is configured to compare the illumination intensity data with a first intensity threshold and a second intensity threshold, generate a first voltage adjusting instruction and a first light adjusting instruction when the illumination intensity data is greater than the first intensity threshold, and generate a second voltage adjusting instruction and a second light adjusting instruction when the illumination intensity data is less than the second intensity threshold;
the electrochromic lens 11 reduces the lens transmittance according to the first voltage regulation instruction and increases the lens transmittance according to the second voltage regulation instruction;
the light emitting module 5 reduces the light intensity according to the first light adjusting instruction, and increases the light intensity according to the second light adjusting instruction.
In this embodiment, the receiving unit 61 may be a wireless communication device or a wired communication device. The wireless communication device comprises a Bluetooth device, a Zigbee device and a wireless network device. The wired communication device comprises an RS485 communication device, an RS232 communication device and a CAN communication device. The first storage unit 62 may be a nonvolatile memory. The first intensity threshold and the second intensity threshold in the first storage unit 62 are both thresholds of the illumination intensity data. Wherein the first intensity threshold may be 100000Lux, and the second intensity threshold may be 500 Lux. When the illumination intensity data fed back by the ambient light detection module 3 is greater than 100000Lux, it indicates that the illumination intensity data of the external ambient light is too large, and the transmittance of the electrochromic lens 11 needs to be reduced, at this time, the first comparison unit 63 generates a first voltage adjustment instruction and a first light adjustment instruction, so that the electrochromic lens 11 reduces its own lens transmittance upon receiving the first voltage adjustment instruction, and at the same time, the light irradiation module reduces the light intensity of the emitted light upon receiving the first light adjustment instruction, thereby ensuring the imaging effect in the imaging area 13; when the illumination intensity data fed back by the ambient light detection module 3 is less than 500Lux, it indicates that the illumination intensity data of the external ambient light is too small, and the transmittance of the electrochromic lens 11 needs to be improved, at this time, the first comparison unit 63 generates the second voltage adjustment instruction and the second light adjustment instruction, so that the transmittance of the electrochromic lens 11 itself is reduced after the second voltage adjustment instruction is received, and meanwhile, the light irradiation module improves the light intensity of the emitted light after the second light adjustment instruction is received, thereby ensuring the imaging effect in the imaging area 13.
Preferably, the control module 6 further comprises:
a second storage unit 64, configured to store a preset first distance threshold and a preset second distance threshold, where the first distance threshold is greater than the second distance threshold;
the second comparing unit 65 is respectively connected to the receiving unit 61, the second storing unit 64 and the first comparing unit 63, and configured to compare the distance data with the first distance threshold and the second distance threshold, and generate a first distance adjusting instruction when the distance data is greater than the first distance threshold and the illumination intensity data is less than the second intensity threshold;
when the distance data is smaller than the second distance threshold and the illumination intensity data is larger than the first intensity threshold, generating a second distance adjusting instruction;
the distance adjusting module 2 decreases the distance between the electrochromic mirror 11 and the waveguide plate 12 according to the first distance adjusting instruction, and increases the distance between the electrochromic mirror 11 and the waveguide plate 12 according to the second distance adjusting instruction.
In the present embodiment, the second storage unit 64 may be a nonvolatile memory. The first distance threshold may be 5mm and the second distance threshold may be 1 mm. When the illumination intensity data is less than 500Lux and the spacing data is greater than 5mm, it is indicated that the illumination intensity data of the external ambient light is too small and the spacing between the electrochromic lens 11 and the waveguide plate 12 is too large, so that the spacing between the electrochromic lens 11 and the waveguide plate 12 needs to be reduced, at this time, the second comparing unit 65 generates a first distance adjusting instruction and sends the first distance adjusting instruction to the distance adjusting module 2, and the distance adjusting module 2 reduces the spacing between the electrochromic lens 11 and the waveguide plate 12 after receiving the first distance adjusting instruction, so as to optimize the imaging effect; when the illumination intensity data is greater than 100000Lux and the distance data is smaller than 1mm, it indicates that the illumination intensity data of the external ambient light is too large and the distance between the electrochromic lens 11 and the waveguide plate 12 is too small, and therefore the distance between the electrochromic lens 11 and the waveguide plate 12 needs to be increased, at this time, the second comparing unit 65 generates a second distance adjusting instruction and sends the second distance adjusting instruction to the distance adjusting module 2, and the distance adjusting module 2 increases the distance between the electrochromic lens 11 and the waveguide plate 12 after receiving the second distance adjusting instruction, thereby realizing optimization of the imaging effect.
Preferably, the control module 6 further includes a filtering unit 66 respectively connected to the receiving unit 61, the first comparing unit 63 and the second comparing unit 65, where the filtering unit 66 is configured to compare the storage capacity occupied by the distance data and the illumination intensity data with a preset storage capacity threshold, and filter the distance data or the illumination intensity data when the storage capacity occupied by the distance data or the illumination intensity data is smaller than the storage capacity threshold, and send the filtered distance data to the second comparing unit 65, and send the filtered illumination intensity data to the first comparing unit 63.
In this embodiment, when the storage capacity occupied by the distance data or the illumination intensity data is smaller than the storage capacity threshold, it indicates that the distance data and the illumination intensity data are incomplete data segments and need to be filtered. Through setting up filter unit 66, realized the effective filtration to incomplete data section in interval data and the illumination intensity data, avoided incomplete data section to send to first comparing element 63 and second comparing element 65, increase first comparing element 63 and second comparing element 65's operand.
Preferably, the distance adjusting module 2 comprises a driving assembly and a driven assembly, wherein the driving assembly comprises a driving motor 21, a polished rod 22, a rotating bearing 23, a first fixing block 24, a screw rod 25, a first limit plate 26, a first slide block 27 and a slide limit plate 28;
the driving motor 21 is vertically placed upwards, the upper end of an output shaft of the driving motor 21 is coaxially connected with the lower end of the polished rod 22, the rotating bearing 23 is sleeved on the outer wall of the polished rod 22 in a sliding mode, the first fixing block 24 is fixedly sleeved on the outer wall of the rotating bearing 23, one end of the waveguide sheet 12 is fixed by the first fixing block 24, the upper end of the polished rod 22 is coaxially connected with the lower end of the screw rod 25, the first limiting plate 26 is fixedly arranged at the upper end of the screw rod 25, the first sliding block 27 is sleeved on the screw rod 25 in a threaded mode, the first sliding block 27 is fixedly connected with one end of the electrochromic lens 11, the sliding limiting plate 28 is arranged on the outer side of the screw rod 25 and is parallel to the screw rod 25, the sliding limiting sliding groove is formed in the sliding limiting plate 28, and the first sliding block 27 is connected in the limiting groove in a sliding mode;
the driven assembly comprises a sliding rod 29, a second fixed block 210, a second sliding block 211 and a second limiting plate 212, the sliding rod 29 is vertically placed, the second fixed block 210 is fixedly sleeved on the sliding rod 29, the height of the second fixed block 210 is consistent with that of the first fixed block 24 in the vertical direction, and the second fixed block 210 is fixedly connected with one end, far away from the first fixed block 24, of the waveguide sheet 12;
the second slider 211 is slidably sleeved on the slide bar 29, the height of the second slider 211 is consistent with that of the first slider 27 in the vertical direction, and the second slider 211 is fixedly connected with one end of the waveguide sheet 12 far away from the first slider 27.
In this embodiment, the driving motor 21 drives the screw rod 25 to rotate, and drives the first slider 27 to move on the screw rod 25, so as to adjust the distance between the electrochromic lens 11 and the waveguide sheet 12. Wherein the drive motor 21 is driven by the control module 6.
Preferably, the prism 7 is embedded in the lower end of the waveguide sheet 12, the prism 7 includes an incident surface and a reflecting surface perpendicular to each other, the light emitting end of the light emitting module 5 faces the incident surface, and the reflecting surface faces the imaging region 13. Through set up prism 7 at waveguide 12 lower extreme, realized the refraction of the light of light emission module 5 transmission, avoid light emission module 5's the position of placing to influence the user and watch imaging area 13.
Preferably, the light emitting module 5 is an optical mechanical module.
Preferably, the distance detection module 4 is an ultrasonic distance measurement sensor, the ultrasonic distance measurement sensor is fixed on the inner wall of the waveguide sheet 12, and a detection probe of the ultrasonic distance measurement sensor vertically faces the inner wall of the electrochromic lens 11.
In this embodiment, the ultrasonic ranging sensor is a micro-distance ranging sensor, and the measurement precision is in the micron level, so as to realize high-precision micro-distance measurement between the electrochromic lens 11 and the waveguide sheet 12.
An imaging optimization method for AR glasses is applied to the above imaging optimization system for AR glasses, as shown in fig. 3, the imaging optimization method for AR glasses includes the following steps:
step S1, the ambient light detection module detects the illumination intensity data of the ambient light in real time, and the distance detection module detects the distance data between the electrochromic lens and the waveguide sheet in real time;
step S2, the control module processes the light intensity data and the distance data to obtain a distance adjusting instruction, a voltage adjusting instruction and a light adjusting instruction;
and step S3, the distance adjusting module adjusts the distance between the electrochromic lens and the waveguide sheet according to the distance adjusting instruction, the electrochromic lens adjusts the lens transmittance according to the voltage adjusting instruction, and the light emitting module adjusts the light intensity of the light emitted to the waveguide sheet according to the light adjusting instruction so as to optimize the imaging effect in the imaging area.
Preferably, as shown in fig. 3, step S2 includes:
step S21, the receiving unit receives the distance data and the illumination intensity data in real time;
step S22, the first storage unit stores a preset first intensity threshold and a preset second intensity threshold, where the first intensity threshold is smaller than the second intensity threshold;
in step S23, the first comparing unit compares the illumination intensity data with the first intensity threshold and the second intensity threshold, respectively, and generates a first voltage adjusting command and a first light adjusting command when the illumination intensity data is greater than the first intensity threshold, and generates a second voltage adjusting command and a second light adjusting command when the illumination intensity data is less than the second intensity threshold.
The working principle is as follows:
the ambient light detection module 3 is placed at the upper end of the electrochromic lens 11, detects illumination intensity data irradiated onto the electrochromic lens 11 in real time, and sends the illumination intensity data to the control module 6. Meanwhile, the distance detection module 4 detects the distance data between the electrochromic lens 11 and the waveguide sheet 12 in real time and sends the data to the control module 6. The control module 6 compares the illumination intensity data with the first intensity threshold and the second intensity threshold, compares the distance data with the first distance threshold and the second distance threshold, generates a corresponding voltage adjusting instruction, a corresponding light adjusting instruction and a corresponding distance adjusting instruction according to the comparison result, respectively adjusts the transmittance of the electrochromic lens 11, the intensity of light irradiating the imaging area 13 and the distance between the electrochromic lens 11 and the waveguide sheet 12, and finally realizes the optimal adjustment of the imaging effect of the imaging area 13.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. An imaging optimization system for AR glasses, comprising:
the lens assembly (1), the lens assembly (1) comprises an electrochromic lens (11) and a waveguide sheet (12), and the lens assembly (1) is exposed to the irradiation of external ambient light, and the ambient light penetrates through the electrochromic lens (11) and forms an image in an imaging area (13) on the waveguide sheet (12);
a distance adjustment module (2) disposed between the electrochromic mirror (11) and the waveguide sheet (12);
the ambient light detection module (3) is used for detecting the illumination intensity data of the ambient light in real time;
the distance detection module (4) is used for detecting the distance data between the electrochromic lens (11) and the waveguide sheet (12) in real time;
the light emitting module (5) is arranged at the lower end of the waveguide sheet (12);
the control module (6) is respectively connected with the ambient light detection module (3), the distance detection module (4), the distance adjustment module (2), the light emitting module (5) and the electrochromic lens (11), and is used for processing according to the illumination intensity data and the distance data to obtain a distance adjustment instruction, a voltage adjustment instruction and a light adjustment instruction;
the distance adjusting module (2) adjusts the distance between the electrochromic lens (11) and the waveguide sheet (12) according to the distance adjusting instruction;
the electrochromic lens (11) adjusts the lens transmittance according to the voltage adjusting instruction;
the light emitting module (5) adjusts the light intensity of the light emitted to the waveguide sheet (12) according to the light adjusting instruction so as to optimize the imaging effect in the imaging area (13).
2. The imaging optimization system for AR glasses according to claim 1, characterized in that: the control module (6) comprises:
a receiving unit (61) for receiving the distance data and the illumination intensity data in real time;
a first storage unit (62) for storing a preset first intensity threshold and a second intensity threshold, wherein the first intensity threshold is smaller than the second intensity threshold;
a first comparing unit (63), respectively connected to the receiving unit (61) and the first storage unit (62), for comparing the illumination intensity data with the first intensity threshold and the second intensity threshold, respectively, and generating a first voltage adjustment instruction and a first light adjustment instruction when the illumination intensity data is greater than the first intensity threshold, and generating a second voltage adjustment instruction and a second light adjustment instruction when the illumination intensity data is less than the second intensity threshold;
the electrochromic lens (11) reduces the lens transmittance according to the first voltage adjustment instruction and increases the lens transmittance according to the second voltage adjustment instruction;
the light emitting module (5) reduces the light intensity according to the first light adjusting instruction, and increases the light intensity according to the second light adjusting instruction.
3. The imaging optimization system for AR glasses according to claim 2, characterized in that: the control module (6) further comprises:
a second storage unit (64) for storing a preset first distance threshold and a preset second distance threshold, wherein the first distance threshold is greater than the second distance threshold;
a second comparing unit (65), which is respectively connected to the receiving unit (61), the second storing unit (64) and the first comparing unit (63), and configured to compare the distance data with the first distance threshold and the second distance threshold, and generate a first distance adjusting instruction when the distance data is greater than the first distance threshold and the illumination intensity data is less than the second intensity threshold;
when the distance data is smaller than the second distance threshold and the illumination intensity data is larger than the first intensity threshold, generating a second distance adjusting instruction;
the distance adjustment module (2) reduces the distance between the electrochromic lens (11) and the waveguide sheet (12) according to the first distance adjustment instruction, and increases the distance between the electrochromic lens (11) and the waveguide sheet (12) according to the second distance adjustment instruction.
4. The imaging optimization system for AR glasses according to claim 3, characterized in that: control module (6) still includes filter unit (66), connect respectively receiving element (61) first comparator unit (63) with second comparator unit (65), filter unit (66) are used for with interval data with the shared storage capacity of illumination intensity data compares with predetermined storage capacity threshold value, and when interval data or the shared storage capacity of illumination intensity data is less than the storage capacity threshold value, it is right interval data or illumination intensity data filters, and will pass through the filtration interval data send to second comparator unit (65), and will pass through the filtration illumination intensity data send to first comparator unit (63).
5. The imaging optimization system for AR glasses according to claim 1, characterized in that: the distance adjusting module (2) comprises a driving assembly and a driven assembly, wherein the driving assembly comprises a driving motor (21), a polished rod (22), a rotating bearing (23), a first fixing block (24), a screw rod (25), a first limiting plate (26), a first sliding block (27) and a sliding limiting plate (28);
the vertical upwards placing of driving motor (21), the output shaft upper end coaxial coupling of driving motor (21) the lower extreme of polished rod (22), rolling bearing (23) slip cup joint in the exterior wall of polished rod (22), first fixed block (24) are fixed cup joint in the exterior wall of rolling bearing (23), first fixed block (24) are fixed the one end of waveguide piece (12), the upper end coaxial coupling of polished rod (22) the lower extreme of lead screw (25), first limiting plate (26) are fixed set up in the upper end of lead screw (25), first slider (27) screw thread cup joint in on lead screw (25), first slider (27) fixed connection the one end of electrochromic lens (11), slip limiting plate (28) set up the outside of lead screw (25) and with lead screw (25) are parallel, the sliding limiting plate (28) is provided with a limiting sliding groove, and the first sliding block (27) is connected in the limiting sliding groove in a sliding manner;
the driven assembly comprises a sliding rod (29), a second fixed block (210), a second sliding block (211) and a second limiting plate (212), the sliding rod (29) is vertically placed, the second fixed block (210) is fixedly sleeved on the sliding rod (29), the second fixed block (210) is consistent with the first fixed block (24) in height in the vertical direction, and the second fixed block (210) is fixedly connected with one end, far away from the first fixed block (24), of the waveguide sheet (12);
the second sliding block (211) is in sliding sleeve connection with the sliding rod (29), the height of the second sliding block (211) is consistent with that of the first sliding block (27) in the vertical direction, and the second sliding block (211) is fixedly connected with one end, far away from the first sliding block (27), of the waveguide sheet (12).
6. The imaging optimization system for AR glasses according to claim 1, characterized in that: the lower end of the waveguide sheet (12) is embedded with a prism (7), the prism (7) comprises an incident surface and a reflecting surface which are perpendicular to each other, the light emitting end of the light emitting module (5) faces the incident surface, and the reflecting surface faces the imaging area (13).
7. The imaging optimization system for AR glasses according to claim 1, characterized in that: the light emitting module (5) is an optical machine module.
8. The imaging optimization system for AR glasses according to claim 1, characterized in that: the distance detection module (4) is an ultrasonic ranging sensor, the ultrasonic ranging sensor is fixed on the inner wall of the waveguide sheet (12), and a detection probe of the ultrasonic ranging sensor vertically faces the inner wall of the electrochromic lens (11).
9. An imaging optimization method for AR glasses, applied to the imaging optimization system for AR glasses according to any one of claims 1 to 8, the imaging optimization method for AR glasses comprising the steps of:
step S1, detecting the illumination intensity data of the ambient light in real time by the ambient light detection module (3), and detecting the spacing data between the electrochromic lens (11) and the waveguide sheet (12) in real time by the distance detection module (4);
step S2, the control module (6) processes the illumination intensity data and the distance data to obtain a distance adjusting instruction, a voltage adjusting instruction and a light adjusting instruction;
step S3, the distance adjusting module (2) adjusts the distance between the electrochromic lens (11) and the waveguide sheet (12) according to the distance adjusting instruction, the electrochromic lens (11) adjusts the lens transmittance according to the voltage adjusting instruction, and the light emitting module (5) adjusts the light intensity of the light emitted to the waveguide sheet (12) according to the light adjusting instruction so as to optimize the imaging effect in the imaging area (13).
10. The imaging optimization method for AR glasses according to claim 9, characterized in that: the step S2 includes:
step S21, the receiving unit (61) receives the distance data and the illumination intensity data in real time;
step S22, the first storage unit (62) stores a preset first intensity threshold value and a preset second intensity threshold value, wherein the first intensity threshold value is smaller than the second intensity threshold value;
step S23, the first comparing unit (63) compares the illumination intensity data with the first intensity threshold and the second intensity threshold, respectively, and generates a first voltage adjustment command and a first light adjustment command when the illumination intensity data is greater than the first intensity threshold, and generates a second voltage adjustment command and a second light adjustment command when the illumination intensity data is less than the second intensity threshold.
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