CN117055232B - Glasses adjusting device and VR glasses - Google Patents
Glasses adjusting device and VR glasses Download PDFInfo
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- CN117055232B CN117055232B CN202311322310.0A CN202311322310A CN117055232B CN 117055232 B CN117055232 B CN 117055232B CN 202311322310 A CN202311322310 A CN 202311322310A CN 117055232 B CN117055232 B CN 117055232B
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- 239000011521 glass Substances 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000004907 flux Effects 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 6
- 210000001747 pupil Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
Abstract
The application relates to the technical field of adjustable VR glasses, especially relates to a glasses adjusting device and VR glasses. The glasses adjusting device includes: chassis, left lens barrel assembly, right lens barrel assembly; the left lens barrel assembly and the right lens barrel assembly comprise a lens barrel and a first lens bracket, and further comprise a first magnet, a second magnet, at least one first Hall sensor and two second Hall sensors; the first magnet and the second magnet are correspondingly arranged on the lens barrel in the left lens barrel assembly and the lens barrel in the right lens barrel assembly, and at least one first Hall sensor is arranged on the underframe. This glasses adjusting device detects two sets of detection mechanism sharing same magnet of focus and interpupillary distance, can obviously reduce two sets of detection mechanism's part quantity, also can reduce two sets of detection mechanism's occupation space simultaneously, has reduced the quantity of magnet and also can obviously reduce VR glasses's overall structure weight to optimize user's wearing impression.
Description
Technical Field
The application relates to the technical field of adjustable VR glasses, especially relates to a glasses adjusting device and VR glasses.
Background
The VR glasses are virtual reality head-mounted display devices, are created by means of computer and latest sensor technologies, are brand-new human-computer interaction means, enable users to walk into the virtual world of electronic devices, and are gradually popularized in daily life along with the development of electronic technologies.
At present, in order to meet the demands of different crowds, the VR glasses commonly used at present often increase pupil distance adjusting mechanisms and focal length adjusting mechanisms on the left lens barrel and the right lens barrel, when pupil distance and focal length are adjusted, the pupil distance and the focal length data are often required to be monitored in real time through a plurality of groups of detecting mechanisms, and the excessive quantity of the detecting mechanisms can lead to the overall structure of the VR glasses to be complex and heavy, so that the wearing feeling of a user is influenced.
Disclosure of Invention
In order to solve the technical problem, the application provides a glasses adjusting device and VR glasses.
In a first aspect, the present application provides an eyeglass adjustment comprising: chassis, left lens barrel assembly, right lens barrel assembly; the left lens barrel assembly and the right lens barrel assembly comprise a lens barrel and a first lens bracket, the lens barrel is coaxially sleeved with the first lens bracket, the lens barrel in the left lens barrel assembly and the lens barrel in the right lens barrel assembly are arranged on the underframe in a sliding manner along the direction of approaching or separating from each other, and the lens barrel further comprises a first magnet, a second magnet, at least one first Hall sensor and two second Hall sensors;
the first magnet and the second magnet are correspondingly arranged on the lens barrel in the left lens barrel assembly and the lens barrel in the right lens barrel assembly, at least one first Hall sensor is arranged on the underframe and used for monitoring the magnetic flux change of the first magnet or the second magnet;
one of the second hall sensors is arranged on the first lens support in the left lens barrel assembly, the second hall sensor in the left lens barrel assembly is arranged opposite to the magnetic pole of the first magnet and used for monitoring the magnetic flux change of the first magnet, the other second hall sensor is arranged on the first lens support in the right lens barrel assembly, and the second hall sensor in the right lens barrel assembly is arranged opposite to the magnetic pole of the second magnet and used for monitoring the magnetic flux change of the second magnet.
Optionally, the left lens barrel assembly and the right lens barrel assembly each include a lifting mechanism, and the first lens support is in sliding fit with the lens barrel along an axial direction through the lifting mechanism.
Optionally, a circumferential limiting mechanism for limiting the first lens support to rotate along the circumferential direction is arranged between the first lens support and the lens barrel.
Optionally, the left lens cone assembly and the right lens cone assembly each comprise a hand wheel coaxially sleeved on the outer side of the lens cone, and the first lens support is connected with the hand wheel through the lifting mechanism.
Optionally, the lifting mechanism comprises a slideway slot arranged on the inner side wall of the hand wheel and a sliding block arranged on the first lens bracket;
the sliding block is arranged between the first end and the second end of the slideway slot in a sliding way, and the first end and the second end are provided with a height difference in the axial direction of the hand wheel.
Optionally, the first end and the second end form a set angle in the circumferential direction of the hand wheel;
the hand wheel is in limit fit with the lens barrel in the axial directions of the hand wheel and the lens barrel.
Optionally, the left lens cone assembly and the right lens cone assembly all include the second lens support, the second lens support with lens cone coaxial coupling, the second lens support with the junction of lens cone is formed with the ring channel, coaxial coupling has the spacing ring on the hand wheel, the spacing ring rotates to set up in the ring channel, and with the ring channel is in the axial of hand wheel is spacing fit.
Optionally, the quantity of elevating system is a plurality of, and a plurality of elevating system is followed the circumference of hand wheel evenly arranges.
Optionally, the lens barrel in the left lens barrel assembly and the lens barrel in the right lens barrel assembly are connected in a transmission manner through a transmission mechanism, and when one lens barrel is pushed to slide for a set distance, the transmission mechanism is used for driving the other lens barrel to synchronously slide for the same distance along the opposite direction.
Optionally, the number of the first hall sensors is one, the first hall sensors are disposed opposite to the magnetic poles of the first magnet or the second magnet, and are used for monitoring the magnetic flux change of the first magnet or the second magnet.
Optionally, when the lens barrel in the left lens barrel assembly and the lens barrel in the right lens barrel assembly are located at a limit position close to each other or a limit position far away from each other, the first hall sensor is disposed opposite to one of the magnetic poles of the first magnet, and the second hall sensor in the left lens barrel assembly is disposed opposite to the other magnetic pole of the first magnet; or when the lens barrels in the left lens barrel assembly and the right lens barrel assembly are located at the limit positions close to each other or the limit positions far away from each other, the first Hall sensor is arranged opposite to one magnetic pole of the second magnet, and the second Hall sensor in the right lens barrel assembly is arranged opposite to the other magnetic pole of the second magnet.
Optionally, the transmission mechanism includes a transmission gear and two racks arranged in parallel, the transmission gear is rotatably arranged on the chassis, and teeth of the two racks are arranged oppositely and extend along the sliding direction of the lens barrel; the two racks are respectively connected with the two lens barrels, and the two racks are meshed with the transmission gear.
In a second aspect, the present application provides VR glasses comprising a glasses adjustment device as described above.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
according to the glasses adjusting device, the second Hall sensors are arranged on the first lens support on the left lens cone assembly and the right lens cone assembly, the second Hall sensors can be arranged corresponding to the first magnet and the second magnet, and the real-time focal length of the left lens cone assembly and the real-time focal length of the right lens cone assembly are determined through the magnetic flux changes detected by the two second Hall sensors; the first Hall sensor and the first magnet or the second magnet are arranged, the magnetic flux change is detected, the real-time interpupillary distance is further determined, two groups of detection mechanisms for detecting the focal distance and the interpupillary distance share the same group of magnets, the number of parts of the two groups of detection mechanisms can be obviously reduced, meanwhile, the occupied space of the two groups of detection mechanisms can be reduced, the number of the magnets is reduced, the weight of the overall structure of the VR glasses can be obviously reduced, and accordingly the wearing feeling of a user is optimized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of a right lens barrel assembly in an eyeglass adjusting apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of an eyeglass adjusting device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural view of a transmission mechanism in the glasses adjusting device according to the embodiment of the present application;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a schematic structural diagram of a hand wheel in the glasses adjustment device according to the embodiment of the present application.
Wherein, 1, underframe; 21. a lens barrel; 221. a first lens holder; 222. a second lens holder; 23. a hand wheel; 241. an annular groove; 242. a limiting ring; 311. a first magnet; 312. a second magnet; 321. a first hall sensor; 322. a second hall sensor; 41. a slideway slot; 411. a first end; 412. a second end; 42. a slide block; 51. a transmission gear; 52. a rack; 61. a first lens group; 62. a second lens group.
Detailed Description
In order that the above objects, features and advantages of the present application may be more clearly understood, a further description of the aspects of the present application will be provided below. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the application.
The VR glasses are virtual reality head-mounted display devices, are created by means of computer and latest sensor technologies, are brand-new human-computer interaction means, enable users to walk into the virtual world of electronic devices, and are gradually popularized in daily life along with the development of electronic technologies.
At present, in order to meet the demands of different crowds, the VR glasses commonly used at present often increase pupil distance adjusting mechanisms and focal length adjusting mechanisms on the left lens barrel and the right lens barrel, when pupil distance and focal length are adjusted, the pupil distance and the focal length data are often required to be monitored in real time through a plurality of groups of detecting mechanisms, and the excessive quantity of the detecting mechanisms can lead to the overall structure of the VR glasses to be complex and heavy, so that the wearing feeling of a user is influenced.
Based on this, the present embodiment provides an eyeglass adjusting device and VR eyeglass, by providing the second hall sensors on the first lens holders on the left lens barrel assembly and the right lens barrel assembly, the second hall sensors can be provided corresponding to the first magnet and the second magnet, and the real-time focal length of the left lens barrel assembly and the right lens barrel assembly can be determined by the magnetic flux changes detected by the two second hall sensors; the first Hall sensor and the first magnet or the second magnet are arranged, the magnetic flux change is detected, the real-time interpupillary distance is further determined, two groups of detection mechanisms for detecting the focal distance and the interpupillary distance share the same group of magnets, the number of parts of the two groups of detection mechanisms can be obviously reduced, meanwhile, the occupied space of the two groups of detection mechanisms can be reduced, the number of the magnets is reduced, the weight of the overall structure of the VR glasses can be obviously reduced, and accordingly the wearing feeling of a user is optimized. The following is a detailed description of the present invention by way of specific examples:
referring to fig. 1 to 5, an eyeglass adjusting apparatus according to the present embodiment includes: chassis 1, left barrel assembly and right barrel assembly; the left lens barrel assembly and the right lens barrel assembly both comprise a lens barrel 21 and a first lens bracket 221, the lens barrel 21 is coaxially sleeved with the first lens bracket 221, it should be understood that the first lens bracket 221 can rotate relative to the lens barrel 21 along the circumferential direction and slide relative to the lens barrel 21 along the axial direction, the lens barrel 21 in the left lens barrel assembly and the lens barrel 21 in the right lens barrel assembly are arranged on the underframe 1 in a sliding way along the direction approaching or separating from each other, and the lens barrel assembly further comprises a first magnet 311, a second magnet 312, at least one first Hall sensor 321 and two second Hall sensors 322; the first magnet 311 and the second magnet 312 are correspondingly disposed on the lens barrel 21 in the left lens barrel assembly and the lens barrel 21 in the right lens barrel assembly, and at least one first hall sensor 321 is mounted on the chassis 1 and is used for monitoring the magnetic flux change of the first magnet 311 or the second magnet 312, it should be understood that when the number of the first hall sensors 321 is one, the first hall sensor is disposed opposite to the first magnet 311 or the second magnet 312 and is used for monitoring the magnetic flux change of the first magnet 311 or the second magnet 312, and when the number of the first hall sensors 321 is two, the first hall sensor is disposed opposite to the first magnet 311 and the second magnet 312 and is used for monitoring the magnetic flux change of the first magnet 311 and the second magnet 312, respectively; one of the second hall sensors 322 is arranged on the first lens support 221 in the left lens barrel assembly, the second hall sensor 322 in the left lens barrel assembly is opposite to the magnetic pole of the first magnet 311 and is used for monitoring the magnetic flux change of the first magnet 311, the other second hall sensor 322 is arranged on the first lens support 221 in the right lens barrel assembly, and the second hall sensor 322 in the right lens barrel assembly is opposite to the magnetic pole of the second magnet 312 and is used for monitoring the magnetic flux change of the second magnet 312; the second hall sensor 322 may be an N-type hall sensor, the first hall sensor 321 may be an S-type hall sensor, the second hall sensor 322 is disposed opposite to the N pole of the first magnet 311, and the first hall sensor 321 is disposed opposite to the S pole of the first magnet 311 or the second magnet 312.
In the glasses adjusting device provided in the embodiment, the second hall sensors 322 are disposed on the first lens support 221 on the left lens barrel assembly and the right lens barrel assembly, so that the second hall sensors can be disposed corresponding to the first magnet 311 and the second magnet 312, and the real-time focal length of the left lens barrel assembly and the right lens barrel assembly can be determined through the magnetic flux changes detected by the two second hall sensors 322; the first hall sensor 321 and the first magnet 311 or the second magnet 312 can be used for detecting magnetic flux change, further determining real-time interpupillary distance, and two groups of detection mechanisms for detecting focal length and interpupillary distance share the same group of magnets, so that the number of parts of the two groups of detection mechanisms can be obviously reduced, meanwhile, the occupied space of the two groups of detection mechanisms can be reduced, the number of magnets is reduced, the weight of the overall structure of the VR glasses can be obviously reduced, and the wearing feeling of a user is optimized.
In some embodiments, the left and right barrel assemblies each include a lifting mechanism by which the first lens mount 221 is axially slidably engaged with the barrel 21; the lifting mechanism may be a telescopic rod structure arranged along the axial direction of the left lens barrel assembly and the right lens barrel assembly, so that the height of the first lens bracket 221 is adjusted along the axial direction, and focusing is completed; the lifting mechanism can also set up the slide groove 41 on the lens barrel 21 along the circumferential direction, and then set up the sliding block 42 which is in sliding fit with the slide groove 41 on the first lens support 221, so that the sliding block 42 can slide to different height positions on the slide groove 41 by utilizing the rotation of the first lens support 221 along the circumferential direction, and then the focusing work is completed, and it can be understood that the lifting mechanism can complete self-locking after adjusting the first lens support 221, so that the first lens support 221 can be kept at the adjusted position.
In some embodiments, a circumferential limiting mechanism for limiting the rotation of the first lens support 221 along the circumferential direction is arranged between the first lens support 221 and the lens barrel 21, and the circumferential limiting mechanism can complete circumferential limiting by using an axial sliding mechanism between the first lens support 221 and the lens barrel 21, specifically, an axial sliding block and an axial slideway slot are arranged between the first lens support 221 and the lens barrel 21, so that the first lens support 221 can slide axially on the lens barrel 21, and meanwhile, circumferential limiting can be formed by using the axial sliding block and the axial slideway slot along the side wall of the circumferential side, so as to limit the relative rotation of the first lens support 221 on the lens barrel 21; this arrangement ensures that the lens of the first lens holder 221 is not affected in appearance due to light abnormality caused by rotation of the lens after the polarizing film is provided.
In a further embodiment, the left lens barrel assembly and the right lens barrel assembly each comprise a hand wheel 23 coaxially sleeved outside the lens barrel 21, and the first lens bracket 221 is connected with the hand wheel 23 through a lifting mechanism; through setting up of hand wheel 23, can drive first lens support 221 along axial reciprocating motion through the mode of slip hand wheel 23 or rotation hand wheel 23, accomplish focusing work, can set up the anti-skidding line on the surface of hand wheel 23 to guarantee the accuracy when focusing.
With continued reference to fig. 1, 2 and 5, the lifting mechanism includes a slideway slot 41 formed in the inner side wall of the hand wheel 23 and a slider 42 disposed on the first lens support 221; the sliding block 42 is slidably disposed between the first end 411 and the second end 412 of the sliding slot 41, where the first end 411 and the second end 412 have a height difference in the axial direction of the hand wheel 23, it should be understood that the first end 411 and the second end 412 smoothly transition, and when the hand wheel 23 rotates by a set angle, the sliding block 42 can be pushed by the sliding slot 41 to rise by a set distance, so as to ensure that the detected signal on the second hall sensor 322 changes more stably and accurately.
In some embodiments, the first end 411 and the second end 412 are angled in the circumferential direction of the handwheel 23; the hand wheel 23 and the lens barrel 21 are in limit fit in the axial direction of the two, that is, the hand wheel 23 cannot axially move, so that interference of the movement of the hand wheel 23 to the rotation angle is avoided, and the stability and reliability of the whole adjusting device are improved.
In some embodiments, the left lens barrel assembly and the right lens barrel assembly each comprise a second lens bracket 222, the second lens bracket 222 is coaxially connected with the lens barrel 21, an annular groove 241 is formed at the connection part of the second lens bracket 222 and the lens barrel 21, a limiting ring 242 is coaxially connected on the hand wheel 23, and the limiting ring 242 is rotatably arranged in the annular groove 241 and is in limiting fit with the annular groove 241 in the axial direction of the hand wheel 23; it should be noted that, the first lens group 61 may be disposed on the first lens support 221, and the second lens group 62 may be disposed on the second lens support 222, where the first lens group 61 may include at least one coaxially disposed lens, and the number of lenses in the second lens group 62 may be 0, or one or more coaxially disposed lenses; the second lens support 222 may be detachably mounted at the end of the lens barrel 21, and when in specific mounting, the hand wheel 23 is sleeved on the lens barrel 21, then the second lens support 222 is mounted, and then the annular groove 241 formed between the second lens support 222 and the lens barrel 21 is used to cooperate with the limiting ring 242 provided on the hand wheel 23, thereby forming a rotatable axial limiting structure, and the second lens support 222 can also serve as a protective layer for protecting the first lens support 221 and the first lens group 61 on the first lens support 221.
With continued reference to fig. 5, the number of lifting mechanisms is plural, and the plural lifting mechanisms are uniformly arranged along the circumferential direction of the hand wheel 23; the number of the lifting mechanisms can be three, and a circumferential included angle of 60 degrees is formed between every two lifting mechanisms in the three lifting mechanisms, so that when the hand wheel 23 rotates, the first lens support 221 can be lifted or lowered to a set focal length position more stably and accurately.
With continued reference to fig. 3 and 4, the lens barrel 21 in the left lens barrel assembly and the lens barrel 21 in the right lens barrel assembly are connected in a transmission manner through a transmission mechanism, and when one of the lens barrels 21 is pushed to slide for a set distance, the transmission mechanism is used for driving the other lens barrel 21 to synchronously slide for the same distance along the opposite direction; the transmission mechanism may be two sets of rack and pinion mechanisms arranged in a central symmetry manner, or two sets of crank link mechanisms arranged in a central symmetry manner, so long as the other lens barrel 21 can be ensured to synchronously slide along the opposite direction when the lens barrel 21 in the left lens barrel assembly or the lens barrel 21 in the right lens barrel assembly is pushed to slide.
In some embodiments, the number of the first hall sensors 321 is one, and the first hall sensors 321 are disposed opposite to the magnetic poles of the first magnet 311 or the second magnet 312, and are used to monitor the magnetic flux change of the first magnet 311 or the second magnet 312; the arrangement of the transmission mechanism can reduce the adjusting device by one first Hall sensor 321, namely, only the displacement of one lens barrel 21 in the transverse sliding direction is required to be detected; thereby further simplifying the structure of the whole adjusting device.
In a further embodiment, when the lens barrel 21 in the left lens barrel assembly and the lens barrel 21 in the right lens barrel assembly are located at the extreme positions close to each other or the extreme positions far away from each other, the first hall sensor 321 is disposed opposite to one of the poles of the first magnet 311, and the second hall sensor 322 in the left lens barrel assembly is disposed opposite to the other pole of the first magnet 311; or when the lens barrel 21 in the left lens barrel assembly and the lens barrel 21 in the right lens barrel assembly are positioned at the limit positions close to each other or the limit positions far away from each other, the first Hall sensor 321 is arranged opposite to one of the magnetic poles of the second magnet 312, and the second Hall sensor 322 in the right lens barrel assembly is arranged opposite to the other magnetic pole of the second magnet 312; that is, when the lens barrels 21 in the left lens barrel assembly and the lens barrels 21 in the right lens barrel assembly are located at extreme positions far from each other or close to each other, at this time, the first hall sensor 321 is disposed opposite to the first magnet 311 or the second magnet 312, and when the lens barrels 21 in the left lens barrel assembly and the lens barrels 21 in the right lens barrel assembly slide close to or far from each other, the first hall sensor 321 can monitor a signal in which the magnetic flux gradually becomes smaller or larger, and a signal in which the magnetic flux becomes smaller first to larger second or first to larger first does not occur, thereby ensuring that the first hall sensor 321 can accurately reflect the movement directions and distances of the two lens barrels 21.
With continued reference to fig. 3 and 4, the transmission mechanism includes a transmission gear 51 and two parallel racks 52, the transmission gear 51 is rotatably disposed on the chassis 1, and teeth of the two racks 52 are disposed opposite to each other and each extend in the sliding direction of the lens barrel 21; the two racks 52 are respectively connected with the two lens barrels 21, and the two racks 52 are meshed with the transmission gear 51; when one lens barrel 21 is pushed, the lens barrel 21 drives the rack 52 connected with the lens barrel 21 to move, the rack 52 drives the transmission gear 51 to rotate, the other rack 52 is driven to slide in the opposite direction by the rotation of the transmission gear 51, and finally the other lens barrel 21 is driven to move by the sliding of the other rack 52.
In a second aspect, the present application provides VR glasses comprising a glasses adjustment device as described above.
The specific implementation manner and implementation principle are the same as those of the above embodiments, and the same or similar technical effects can be brought about, which are not described in detail herein, and specific reference may be made to the description of the above embodiments of the glasses adjusting device.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An eyeglass adjustment, comprising: a chassis (1), a left barrel assembly and a right barrel assembly; the left lens barrel assembly and the right lens barrel assembly both comprise a lens barrel (21) and a first lens bracket (221), the lens barrel (21) and the first lens bracket (221) are coaxially sleeved, and the lens barrel (21) in the left lens barrel assembly and the lens barrel (21) in the right lens barrel assembly are arranged on the underframe (1) in a sliding way along the direction of approaching or separating from each other, and the device is characterized by further comprising a first magnet (311), a second magnet (312), a first Hall sensor (321) and two second Hall sensors (322);
the first magnet (311) and the second magnet (312) are correspondingly arranged on the lens barrel (21) in the left lens barrel assembly and the lens barrel (21) in the right lens barrel assembly, and the first Hall sensor (321) is arranged on the underframe (1);
one of the second hall sensors (322) is arranged on the first lens support (221) in the left lens barrel assembly, the second hall sensor (322) in the left lens barrel assembly is opposite to the magnetic pole of the first magnet (311) and is used for monitoring the magnetic flux change of the first magnet (311), the other second hall sensor (322) is arranged on the first lens support (221) in the right lens barrel assembly, and the second hall sensor (322) in the right lens barrel assembly is opposite to the magnetic pole of the second magnet (312) and is used for monitoring the magnetic flux change of the second magnet (312);
the lens barrels (21) in the left lens barrel assembly and the lens barrels (21) in the right lens barrel assembly are in transmission connection through a transmission mechanism, and when one lens barrel (21) is pushed to slide for a set distance, the transmission mechanism is used for driving the other lens barrel (21) to synchronously slide for the same distance along the opposite direction; the first Hall sensor (321) is arranged opposite to the magnetic pole of the first magnet (311) or the second magnet (312) and is used for monitoring the magnetic flux change of the first magnet (311) or the second magnet (312);
the left lens barrel assembly and the right lens barrel assembly both comprise a lifting mechanism, and the first lens bracket (221) is in sliding fit with the lens barrel (21) along the axial direction through the lifting mechanism; a circumferential limiting mechanism for limiting the first lens bracket (221) to rotate along the circumferential direction is arranged between the first lens bracket (221) and the lens barrel (21); the left lens barrel assembly and the right lens barrel assembly both comprise a hand wheel (23) coaxially sleeved on the outer side of the lens barrel (21), and the first lens bracket (221) is connected with the hand wheel (23) through the lifting mechanism, and comprises a slideway slot (41) formed on the inner side wall of the hand wheel (23) and a sliding block (42) arranged on the first lens bracket (221); the sliding block (42) is arranged between a first end (411) and a second end (412) of the slideway slot (41) in a sliding way, and the first end (411) and the second end (412) have a height difference in the axial direction of the hand wheel (23); the first end (411) and the second end (412) form a set angle in the circumferential direction of the hand wheel (23); the hand wheel (23) is in limit fit with the lens cone (21) in the axial directions of the hand wheel and the lens cone.
2. The glasses adjusting device according to claim 1, wherein the left lens barrel assembly and the right lens barrel assembly each comprise a second lens bracket (222), the second lens brackets (222) are coaxially connected with the lens barrels (21), annular grooves (241) are formed at the connection positions of the second lens brackets (222) and the lens barrels (21), limiting rings (242) are coaxially connected to the hand wheels (23), and the limiting rings (242) are rotatably arranged in the annular grooves (241) and are in limiting fit with the annular grooves (241) in the axial direction of the hand wheels (23).
3. The glasses adjustment device according to claim 1, wherein the number of the lifting mechanisms is plural, and the plural lifting mechanisms are uniformly arranged along the circumference of the hand wheel (23).
4. The glasses adjustment device according to claim 1, wherein the first hall sensor (321) is disposed directly opposite one of the poles of the first magnet (311) when the lens barrel (21) in the left lens barrel assembly and the lens barrel (21) in the right lens barrel assembly are located at extreme positions close to each other or extreme positions far away from each other, and the second hall sensor (322) in the left lens barrel assembly is disposed directly opposite the other pole of the first magnet (311); or (b)
When the lens barrel (21) in the left lens barrel assembly and the lens barrel (21) in the right lens barrel assembly are located at the limit positions close to each other or the limit positions far away from each other, one magnetic pole of the first Hall sensor (321) and one magnetic pole of the second magnet (312) are opposite, and the second Hall sensor (322) in the right lens barrel assembly and the other magnetic pole of the second magnet (312) are opposite.
5. The glasses adjustment device according to claim 1, characterized in that the transmission mechanism comprises a transmission gear (51) and two parallel racks (52), the transmission gear (51) is rotatably arranged on the chassis (1), the teeth of the two racks (52) are oppositely arranged and extend along the sliding direction of the lens barrel (21); the two racks (52) are respectively connected with the two lens barrels (21), and the two racks (52) are meshed with the transmission gear (51).
6. VR glasses comprising a glasses adjustment device as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311322310.0A CN117055232B (en) | 2023-10-13 | 2023-10-13 | Glasses adjusting device and VR glasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311322310.0A CN117055232B (en) | 2023-10-13 | 2023-10-13 | Glasses adjusting device and VR glasses |
Publications (2)
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| CN113489966A (en) * | 2021-05-17 | 2021-10-08 | 青岛小鸟看看科技有限公司 | System and method for detecting pupil distance adjusting position of VR device |
| EP3964800A1 (en) * | 2020-09-02 | 2022-03-09 | Shenzhen Goodix Technology Co., Ltd. | Triaxial position sensing for camera systems using hall sensors |
| WO2023160507A1 (en) * | 2022-02-25 | 2023-08-31 | 北京字跳网络技术有限公司 | Virtual reality device, lens barrel positional state detection method and apparatus therefor, and medium |
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| EP2860581B1 (en) * | 2012-06-07 | 2018-01-31 | Asahi Kasei Microdevices Corporation | Position detection apparatus |
| US9372352B2 (en) * | 2013-08-23 | 2016-06-21 | Samsung Electro-Mechanics Co., Ltd. | Lens driving device and camera module including the same |
| JP6096393B2 (en) * | 2014-09-29 | 2017-03-15 | 富士フイルム株式会社 | Lens device |
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| EP3964800A1 (en) * | 2020-09-02 | 2022-03-09 | Shenzhen Goodix Technology Co., Ltd. | Triaxial position sensing for camera systems using hall sensors |
| CN113489966A (en) * | 2021-05-17 | 2021-10-08 | 青岛小鸟看看科技有限公司 | System and method for detecting pupil distance adjusting position of VR device |
| WO2023160507A1 (en) * | 2022-02-25 | 2023-08-31 | 北京字跳网络技术有限公司 | Virtual reality device, lens barrel positional state detection method and apparatus therefor, and medium |
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