CN109171641B - Eye movement instrument head-mounted equipment - Google Patents
Eye movement instrument head-mounted equipment Download PDFInfo
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- CN109171641B CN109171641B CN201811107244.4A CN201811107244A CN109171641B CN 109171641 B CN109171641 B CN 109171641B CN 201811107244 A CN201811107244 A CN 201811107244A CN 109171641 B CN109171641 B CN 109171641B
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- 230000004424 eye movement Effects 0.000 title claims abstract description 22
- 238000013016 damping Methods 0.000 claims description 18
- 210000001061 forehead Anatomy 0.000 claims description 14
- 210000003128 head Anatomy 0.000 claims description 12
- 210000003813 thumb Anatomy 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 210000001202 rhombencephalon Anatomy 0.000 claims description 6
- 210000001747 pupil Anatomy 0.000 claims description 3
- 238000013461 design Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002649 leather substitute Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004373 eye development Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0075—Apparatus for testing the eyes; Instruments for examining the eyes provided with adjusting devices, e.g. operated by control lever
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/14—Arrangements specially adapted for eye photography
- A61B3/145—Arrangements specially adapted for eye photography by video means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Helmets And Other Head Coverings (AREA)
Abstract
The invention provides eye-movement instrument head-mounted equipment which comprises an outer ring part, a ratchet locking mechanism, a movable rotating part and an inner ring part, wherein the inner ring part is connected with the outer ring part through two movable rotating parts, two ends of the inner ring part are connected through the ratchet locking mechanism and are enclosed into a ring, and the two ends of the inner ring part can adjust the telescopic length through the ratchet locking mechanism. The electronic equipment is arranged in the outer ring part, and the inner ring part is worn on the head of a human body; the outer ring part is of a rigid structure, so that stable operation of electronic equipment installed in the outer ring part is facilitated; the inner ring is flexible adjustable structure, can be through adjusting inner ring size in order to adapt to different people's head shape and size, improves eye-movement appearance wearing comfort level.
Description
Technical Field
The invention belongs to the technical field of auxiliary medical rehabilitation training equipment, and particularly relates to eye movement instrument head-mounted equipment.
Background
Eyes are important organs for human to acquire information from the surrounding world, are also important windows for expressing the intention and psychological activities of the human directly, and can provide important basis for researching the psychological activities of the human and extracting psychological consciousness by accurately measuring the gaze point of one person. The eye movement instrument is used as a gaze point measuring device, and has wide application prospect in various industries, including fields of rehabilitation, advertisement design, game design, man-machine interface design and the like. Although the eye movement instrument has wide application prospect, most of the application based on the development and research of the eye movement instrument at present depends on the development of software and algorithm parts, and the design research of structural components related to eye movement design is flexible. Most of the existing eye-movement instruments in China at present are head-limited eye-movement instruments and helmet-type eye-movement instruments; the head-limited eye movement device needs to fix the head on a plane to measure the gaze point of eyes, and the head can not move during measurement, so that the structural design is very inflexible. The helmet type eye movement instrument helmet has large weight, can bring discomfort to testers, and has lower precision. Based on the current situation, the structure of the eye tracker has great limitation, and great trouble and obstruction are brought to the research, application and development of the eye tracker.
Disclosure of Invention
Aiming at the characteristics of heavy structure, inflexible movement, poor wearing experience and the like of the conventional eye-movement instrument, the invention provides eye-movement instrument head-mounted equipment which can be adjusted according to the head sizes of different people so as to adapt to different patient groups.
The technical scheme of the invention is realized as follows:
The eye movement instrument head-mounted device comprises an outer ring part 1, a ratchet locking mechanism 2, a movable rotating part 3 and an inner ring part 4, wherein the inner ring part 4 is connected with the outer ring part 1 through the two movable rotating parts 3, two ends of the inner ring part 4 are connected through the ratchet locking mechanism 2 and encircle to form a ring, and the two ends can adjust the telescopic length through the ratchet locking mechanism 2; an electronic device is mounted in the outer ring portion 1.
Preferably, the outer ring part 1 at least comprises an annular outer ring main body 101, and an outer ring rear buckle plate 102, an outer ring upper buckle plate 103 and an outer ring front buckle plate 104 are arranged on the outer ring main body 101 to form an annular structure; the bracket pinch plate 105 is installed at both sides of the bottom end of the outer ring main body 101 and at the front face.
Preferably, a camera mounting hole site 106 is arranged at the forehead part of the outer ring part 1, wherein a boss structure is arranged in the camera mounting hole site 106, and a camera mounted by the boss structure and a horizontal line form an included angle of 10-20 degrees to incline downwards; the bracket pinch plate 105 is respectively provided with a camera hole site 107 and a small lamp mounting hole site 108, the small lamp can irradiate the pupil of the human eye, and meanwhile, the mounted camera can shoot the human eye to measure the gaze point of the eye.
Preferably, two beams of the rear portion of the outer ring main body 101, which are matched with the outer ring rear buckle 102, are of a trapezoid structure, wherein positioning small lamp mounting holes 109 are respectively formed in three surfaces of the trapezoid, small lamps are distributed in a staggered mode in space, and when the head rotates, it is ensured that a sufficient number of small lamp signals can be obtained by a lighthouse above the rear portion.
Preferably, the moving rotary part 3 at least comprises a moving bracket 301, a damping wheel 302 and an inner ring fixing bracket 303, wherein one end of the moving bracket 301 is provided with a disc, and the disc is fixed with the damping wheel 302 through a screw; the other end is provided with a rectangular chute structure 305 with a U-shaped hole, which is correspondingly inserted into the rectangular holes arranged on the two sides of the outer ring main body 101 in a matching way; the disks on two sides of the damping wheel 302 are respectively connected with the movable support 301 and the inner ring fixing frame 303, and the movable support 301 and the inner ring fixing frame 303 can rotate relatively around the center of the damping wheel 302.
Preferably, the inner ring fixing support cover 304 has a fastening structure, wherein the fastening structure passes through a square hole 403 reserved on the inner ring movable belt 401 to be matched and fixed with the fastening structure of the inner ring fixing frame 303.
Preferably, nuts can be placed in the grooves of the rectangular chute structure 305, and screws pass through the outer ring main body 101 to be fastened with the nuts in the rectangular chute structure 305.
Preferably, the inner ring part 4 at least comprises an inner ring movable belt 401 and a forehead flexible bonding plate 402, the forehead flexible bonding plate 402 is fixed on the inner ring movable belt 401, and flexible filler is arranged on the forehead flexible bonding plate 402; the two ends of the inner ring movable belt 401 are provided with long strip holes 404, racks are arranged in the long strip holes 404 at the two ends in a staggered mode, the racks are mutually matched with the ratchet locking mechanism 2, and when the ratchet gear 203 of the ratchet locking mechanism 2 rotates clockwise or anticlockwise around the central shaft, the inner ring movable belt 401 is correspondingly driven to tighten or relax.
Preferably, the ratchet locking mechanism 2 comprises at least a cover 201, a thumb wheel 202, a ratchet gear 203, a support base 204, a support cover 205 and a hindbrain flexible attachment plate 206,
The side walls of the cover plate 201 and the supporting bottom plate 204 are arc-shaped inner groove structures and are matched with each other to form an installation space, and an annular protruding structure is arranged in the middle of the cover plate 201; a round hole is formed in the middle of the dial wheel 202, and a cylinder is arranged at the middle annular part; the outer side wall of the supporting bottom plate 204 is provided with a special-shaped opening, and the inner side wall is provided with a convex round opening; the ratchet gear 203 is a flexible pawl mechanism on one side, and a ratchet wheel on the other side; the hindbrain flexible bonding board 206 is arranged on the supporting bottom plate 204, and flexible filler is arranged on the surface of the supporting bottom plate;
The supporting cover plate 205 is installed with the special-shaped opening, and a shaft lever on the supporting cover plate 205 sequentially passes through a round hole in the center of a ratchet wheel and pawl mechanism of the ratchet wheel gear 203 and a round hole of the shifting wheel 202 and is fixed in an annular protruding structure of the cover plate 201; the cylinder of the thumb wheel 202 is inserted into a jack arranged at a corresponding position on the pawl mechanism; the two ends of the inner ring movable belt 401 respectively penetrate into the mounting space from the two ends and are arranged in a laminated mode, racks in strip holes 404 at the two ends of the inner ring movable belt 401 are respectively matched with the upper end and the lower end of a ratchet wheel of the ratchet wheel gear 203, and the upper end and the lower end of the shifting wheel 202 are protruded outside the mounting space through edge openings arranged at corresponding positions of the cover plate 201.
Preferably, the pawl mechanism of the ratchet gear 203 is two integrally formed semicircular arc blocks, hook-shaped pawls are integrally arranged on corresponding sides in the same direction, and the end parts of the pawls are mutually matched and clamped with the ratchet of the ratchet gear 203.
The beneficial effects of the invention are as follows: the novel eye movement instrument structure with the inner ring part worn on the head of a human body is characterized in that the outer ring is of a rigid structure, so that stable operation of electronic equipment arranged in the outer ring part is facilitated, the inner ring is of a flexible and adjustable structure, the size of the inner ring can be adjusted to adapt to the shape and the size of the head of different people, and the wearing comfort degree of the eye movement instrument is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structural composition of the present invention.
Fig. 2 is a schematic view of the outer ring portion as a whole.
Fig. 3 is a schematic view of an outer ring main body.
FIG. 4 is a schematic view of an assembly of the ratchet locking mechanism, the moving rotating portion, and the inner race portion.
Fig. 5 is a schematic view of the inner ring portion.
Fig. 6 is an exploded view of the mobile rotating part.
Fig. 7 is an exploded view of the ratchet locking mechanism.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, the eye-tracker head-mounted device comprises an outer ring part 1, a ratchet locking mechanism 2, a movable rotating part 3 and an inner ring part 4, wherein the inner ring part 4 and the outer ring part 1 are connected through the two movable rotating parts 3, two ends of the inner ring part 4 are connected through the ratchet locking mechanism 2 and encircle to form a ring, and the telescopic length of the two ends can be adjusted through the ratchet locking mechanism 2; the outer ring part 1 is of a hollow structure and is provided with a circuit board installation space, a camera installation space, a wire slot, a positioning small lamp installation space, an inner ring chute and the like,
Preferably, the outer ring part 1 at least comprises an annular outer ring main body 101, and an outer ring rear buckle plate 102, an outer ring upper buckle plate 103 and an outer ring front buckle plate 104 are arranged on the outer ring main body 101 to form an annular structure; the bracket pinch plate 105 is installed at both sides of the bottom end of the outer ring main body 101 and at the front face. The forehead part of the outer ring part 1 is provided with a camera mounting hole site 106, wherein a boss structure is arranged in the camera mounting hole site 106, and a camera mounted by the boss structure and a horizontal line form an included angle of 10-20 degrees to incline downwards.
The bracket pinch plate 105 is respectively provided with a camera hole site 107 and a small lamp mounting hole site 108, the small lamp can irradiate the pupil of the human eye, and meanwhile, the mounted camera can shoot the human eye to measure the gaze point of the eye. The bracket pinch plate 105 has a certain overturning angle, and the specific value of the angle is not limited, but the camera and the small lamp of the bracket part can be shot and irradiated to human eyes after the eye movement instrument is regulated.
Two beams at the rear part of the outer ring main body 101 matched with the outer ring rear buckle 102 are of a trapezoid structure, wherein positioning small lamp mounting holes 109 are respectively formed in three trapezoid surfaces, small lamps are distributed in a staggered mode in space, and when the head rotates, it is ensured that a beacon at the upper rear part can acquire enough small lamp signals.
The movable rotating part 3 at least comprises a movable bracket 301, a damping wheel 302 and an inner ring fixing frame 303, wherein a disc is designed at one end of the movable bracket 301 and is fixed with the damping wheel 302 through screws; the other end is provided with a rectangular chute structure 305 with a U-shaped hole, which is correspondingly inserted into the rectangular holes arranged on the two sides of the outer ring main body 101 in a matching way; the disks on two sides of the damping wheel 302 are respectively connected with the movable bracket 301 and the inner ring fixing bracket 303, and the movable bracket 301 and the inner ring fixing bracket 303 can rotate relatively around the center of the damping wheel 302; the inner ring fixing support cover 304 comprises a fastening structure, wherein the fastening structure penetrates through a square hole 403 reserved on the inner ring movable belt 401 to be matched and fixed with the fastening structure of the inner ring fixing support 303. The movable support 301 and the inner ring fixing frame 303 are respectively connected to two side wheel pieces of the damping wheel 302, damping of a certain size exists between the movable support 301 and the inner ring fixing frame 303 by utilizing the characteristics of the damping wheel 302, the damping wheel 302 is a wheel-shaped damper, the wheel pieces on two sides can rotate relatively, and damping of a certain size exists between the two wheel pieces. The damping mechanism is not limited to the damper wheel 302, and may be a damper shaft, a damper, or the like.
The nut is put into the groove of the rectangular chute structure 305, the screw passes through the outer ring main body 101 and is fastened with the nut in the rectangular chute structure 305, and the movable support 301 can be fastened and connected by the screw. Tightening the screw, wherein the chute is fixed and cannot move to the left and right sides; when the screws are loosened, the movable support 301 can slide left and right in the sliding grooves, and simultaneously the width of the inner ring part 4 can be adjusted by adjusting the movable support 301 of the two movable rotating parts 3, so that the movable support is suitable for the head width of different people. In particular, according to human head data size big data analysis, the width of left-right adjustment and the distance of front-back adjustment can cover 95% of normal human head sizes of different sizes.
The inner ring part 4 at least comprises an inner ring movable belt 401 and a forehead flexible bonding plate 402, wherein the forehead flexible bonding plate 402 is fixed on the inner ring movable belt 401, and flexible filler is arranged on the forehead flexible bonding plate 402; the two ends of the inner ring movable belt 401 are provided with long strip holes 404, racks are arranged in the long strip holes 404 at the two ends in a staggered mode, the racks are mutually matched with the ratchet locking mechanism 2, and when the ratchet gear 203 of the ratchet locking mechanism 2 rotates clockwise or anticlockwise around the central shaft, the inner ring movable belt 401 is correspondingly driven to tighten or relax. The buckle structure of the inner ring movable belt 401 is used for being fixed on the forehead flexible adhesive plate 402, and the forehead flexible adhesive plate 402 can be adhered with flexible fillers such as sponge and artificial leather, so as to enhance the wearing comfort of a wearer. The staggered rack mechanism of the inner ring movable belt 401 is inserted into the supporting bottom plate 204 of the ratchet locking mechanism 2, and the movable range of the inner ring part 4 is controlled by the ratchet locking mechanism 2.
The ratchet locking mechanism 2 at least comprises a cover plate 201, a thumb wheel 202, a ratchet gear 203, a supporting bottom plate 204, a supporting cover plate 205 and a rear flexible bonding plate 206, wherein the side walls of the cover plate 201 and the supporting bottom plate 204 are of arc-shaped inner groove structures and are matched with each other to form an installation space, and an annular protruding structure is arranged in the middle of the cover plate 201; a round hole is formed in the middle of the dial wheel 202, and a cylinder is arranged at the middle annular part; the outer side wall of the supporting bottom plate 204 is provided with a special-shaped opening, and the inner side wall is provided with a convex round opening; the ratchet gear 203 is a flexible pawl mechanism on one side, and a ratchet wheel on the other side; the hindbrain flexible bonding board 206 is arranged on the supporting bottom plate 204, and flexible filler is arranged on the surface of the supporting bottom plate; the supporting cover plate 205 is installed with the special-shaped opening, and a shaft lever on the supporting cover plate 205 sequentially passes through a round hole in the center of a ratchet wheel and pawl mechanism of the ratchet wheel gear 203 and a round hole of the shifting wheel 202 and is fixed in an annular protruding structure of the cover plate 201; the cylinder of the thumb wheel 202 is inserted into a jack arranged at a corresponding position on the pawl mechanism; the two ends of the inner ring movable belt 401 respectively penetrate from the two ends of the installation space and are arranged in a laminated mode, racks in long strip holes 404 at the two ends of the inner ring movable belt 401 are respectively matched with the upper end and the lower end of a ratchet wheel of the ratchet wheel gear 203, and the upper end and the lower end of the shifting wheel 202 are protruded outside the installation space through edge openings arranged at corresponding positions of the cover plate 201; the pawl mechanism of the ratchet gear 203 is two integrally formed semicircular arc blocks, hook-shaped pawls are integrally arranged on the corresponding sides in the same direction, and the end parts of the pawls are mutually matched and clamped with the ratchet of the ratchet gear 203.
The rack part of the inner ring movable belt 401 of the inner ring part 4 only comprises racks at the upper part or the lower part, the two racks are distributed in a staggered way to form a gear rack mechanism, the racks staggered up and down are inserted into the supporting bottom plate 204 of the ratchet locking mechanism 2 to be matched with the gear part of the ratchet gear 203, and when the ratchet gear 203 rotates clockwise or anticlockwise around a central shaft, the ratchet can drive the inner ring movable belt 401 to tighten or relax so as to adapt to the head lengths of different people. The shape of the rack can be various, and is not limited to a standard gear rack.
The ratchet wheel of the ratchet wheel gear 203 can finish self-locking and free rotation by virtue of a pawl mechanism of the ratchet wheel gear 203, and the working principle is as follows: when the dial wheel 202 is shifted anticlockwise or clockwise, the cylinder of the dial wheel 202 drives the pawl mechanism of the ratchet wheel gear 203 to rotate in the same direction, the pawl of the pawl mechanism can move close to the circle center, the pawl is pressed down and deformed to be completely attached to the ratchet wheel, and the dial wheel 202 is continuously rotated, so that the ratchet wheel can be driven to rotate in the same direction, and the inner ring movable belt 401 can be tightened or loosened along with the rotation of the ratchet wheel; when the thumb wheel 202 is shifted clockwise or anticlockwise by fingers, the pawl mechanism is deformed reversely, the pawl is far away from the circle center, the ratchet gear 203 is changed into a freely rotatable state from a self-locking state, the thumb wheel 202 is continuously rotated to drive the ratchet wheel to rotate, meanwhile, the inner ring movable belt 401 is relaxed or tightened along with the rotation of the ratchet wheel, the rotation of the thumb wheel 202 is stopped, the pawl mechanism of the ratchet gear 203 stops rotating, and the side of the pawl of the depressed pawl mechanism rebounds to be clamped with the ratchet wheel in a matched manner, so that self-locking is completed. Wherein, the flexible filler can be sponge, artificial leather, etc., can improve the experience of the wearer.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (2)
1. The eye movement instrument head-mounted device is characterized by comprising an outer ring part (1), a ratchet locking mechanism (2), a movable rotating part (3) and an inner ring part (4), wherein the inner ring part (4) is connected with the outer ring part (1) through the two movable rotating parts (3), two ends of the inner ring part (4) are connected through the ratchet locking mechanism (2) and encircle to form a ring, and the two ends of the inner ring part can adjust the telescopic length through the ratchet locking mechanism (2); an electronic device is arranged in the outer ring part (1);
The outer ring part (1) at least comprises an annular outer ring main body (101), and an outer ring rear buckle plate (102), an outer ring upper buckle plate (103) and an outer ring front buckle plate (104) are arranged on the outer ring main body (101) to form an annular structure; the bracket pinch plates (105) are arranged at two sides of the bottom end of the outer ring main body (101) and positioned at the front part;
The forehead part of the outer ring part (1) is provided with a camera mounting hole site (106), wherein a boss structure is arranged in the camera mounting hole site (106), and an included angle between a camera mounted by the boss structure and a horizontal line is 10-20 degrees and is inclined downwards; the bracket pinch plate (105) is respectively provided with a camera hole site (107) and a small lamp mounting hole site (108), the small lamp can irradiate the pupil of human eyes, and meanwhile, the mounted camera can shoot the human eyes to measure the gaze point of the eyes;
Two beams at the rear part of the outer ring main body (101) matched with the outer ring rear buckle plate (102) are of a trapezoid structure, wherein positioning small lamp mounting hole sites (109) are respectively arranged on three surfaces of the trapezoid, small lamps are distributed in a staggered manner in space, and when the head rotates, the lighthouse above the rear part can obtain enough small lamp signals;
The movable rotating part (3) at least comprises a movable bracket (301), a damping wheel (302) and an inner ring fixing frame (303), wherein a disc is designed at one end of the movable bracket (301) and is fixed with the damping wheel (302) through a screw; the other end is provided with a rectangular chute structure (305) with a U-shaped hole, which is correspondingly inserted into the rectangular holes arranged on the two sides of the outer ring main body (101) in a matching way; the two side discs of the damping wheel (302) are respectively connected with the movable bracket (301) and the inner ring fixing frame (303), and the movable bracket (301) and the inner ring fixing frame (303) can rotate relatively around the center of the damping wheel (302);
the inner ring fixing support cover (304) comprises a buckling structure, wherein the buckling structure penetrates through a square hole (403) reserved on the inner ring movable belt (401) to be matched and fixed with the buckling structure of the inner ring fixing frame (303);
Nuts can be placed in the grooves of the rectangular chute structures (305), and screws penetrate through the outer ring main body (101) to be fastened with the nuts in the rectangular chute structures (305);
the inner ring part (4) at least comprises an inner ring movable belt (401) and a forehead flexible bonding plate (402), wherein the forehead flexible bonding plate (402) is fixed on the inner ring movable belt (401), and flexible filler is arranged on the forehead flexible bonding plate (402); both ends of the inner ring movable belt (401) are provided with long strip holes (404), racks are arranged in the long strip holes (404) at both ends in a staggered manner, the racks are mutually matched with the ratchet locking mechanism (2), and when the ratchet gear (203) of the ratchet locking mechanism (2) rotates clockwise or anticlockwise around a central shaft, the inner ring movable belt (401) is correspondingly driven to tighten or relax;
The ratchet locking mechanism (2) at least comprises a cover plate (201), a thumb wheel (202), a ratchet gear (203), a supporting bottom plate (204), a supporting cover plate (205) and a hindbrain flexible bonding plate (206),
The side walls of the cover plate (201) and the supporting bottom plate (204) are of arc-shaped inner groove structures and are matched with each other to form an installation space, and an annular protruding structure is arranged in the middle of the cover plate (201); a round hole is formed in the middle of the dial wheel (202), and a cylinder is arranged at the middle annular part; the outer side wall of the supporting bottom plate (204) is provided with a special-shaped opening, and the inner side wall of the supporting bottom plate is provided with a convex round opening; the ratchet gear (203) is a flexible pawl mechanism on one side and a ratchet on the other side; the hindbrain flexible bonding plate (206) is arranged on the supporting bottom plate (204), and flexible filler is arranged on the surface of the hindbrain flexible bonding plate;
The supporting cover plate (205) is installed with the special-shaped opening, and a shaft lever on the supporting cover plate (205) sequentially passes through a round hole in the center of a ratchet wheel and pawl mechanism of the ratchet wheel gear (203) and a round hole of the poking wheel (202) and is fixed in an annular bulge structure of the cover plate (201); the cylinder of the thumb wheel (202) is inserted into a jack arranged at the corresponding position on the pawl mechanism; the two ends of the inner ring movable belt (401) penetrate into the mounting space from the two ends respectively and are arranged in a laminated mode, racks in strip holes (404) at the two ends of the inner ring movable belt (401) are matched with the upper end and the lower end of a ratchet wheel of the ratchet wheel gear (203) respectively, and the upper end and the lower end of the poking wheel (202) are protruded outside the mounting space through edge openings arranged at corresponding positions of the cover plate (201).
2. The eye-movement head-mounted device according to claim 1, wherein the pawl mechanism of the ratchet gear (203) is two integrally formed semicircular arc blocks, hook-shaped pawls are integrally arranged on the corresponding sides in the same direction, and the end parts of the pawls are mutually matched and clamped with the ratchet of the ratchet gear (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107244.4A CN109171641B (en) | 2018-09-21 | 2018-09-21 | Eye movement instrument head-mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107244.4A CN109171641B (en) | 2018-09-21 | 2018-09-21 | Eye movement instrument head-mounted equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109171641A CN109171641A (en) | 2019-01-11 |
| CN109171641B true CN109171641B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811107244.4A Active CN109171641B (en) | 2018-09-21 | 2018-09-21 | Eye movement instrument head-mounted equipment |
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| CN (1) | CN109171641B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032278B (en) * | 2019-03-29 | 2020-07-14 | 华中科技大学 | Pose identification method, device and system for human eye interested object |
| CN114680876A (en) * | 2022-03-21 | 2022-07-01 | 哈尔滨工业大学（威海） | Sensor fixing device for detecting acceleration of human head |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209269661U (en) * | 2018-09-21 | 2019-08-20 | 湖北英特搏智能机器有限公司 | A kind of eye tracker helmet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009129222A2 (en) * | 2008-04-14 | 2009-10-22 | The Johns Hopking University | Systems and methods for testing vestibular and oculomotor function |
| CN106094208B (en) * | 2016-08-02 | 2019-06-18 | 歌尔科技有限公司 | One kind wearing elasticity auxiliary retaining mechanism |
| CN106551674A (en) * | 2016-09-09 | 2017-04-05 | 中国人民解放军海军总医院 | Eye-movement measurement device based on simulation spatial disorientation scene |
| CN206096630U (en) * | 2016-09-27 | 2017-04-12 | 深圳市大疆创新科技有限公司 | A bandeau adjusting device , bandeau and video glasses for video glasses |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209269661U (en) * | 2018-09-21 | 2019-08-20 | 湖北英特搏智能机器有限公司 | A kind of eye tracker helmet |
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