CN113332112B - Intelligent optical vision training device - Google Patents
Intelligent optical vision training device Download PDFInfo
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- CN113332112B CN113332112B CN202110651897.4A CN202110651897A CN113332112B CN 113332112 B CN113332112 B CN 113332112B CN 202110651897 A CN202110651897 A CN 202110651897A CN 113332112 B CN113332112 B CN 113332112B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H5/00—Exercisers for the eyes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention provides an intelligent optical vision training device, which comprises a projection mounting machine body, wherein a component mounting cavity is arranged in the projection mounting machine body, and a projection training component is arranged in the component mounting cavity; the projection training assembly comprises an installation shell, a power controller board, an array light assembly and a projection assembly are arranged in the installation shell, the power controller board is fixedly connected to the bottom of an assembly installation cavity, the power controller board is used for controlling the projection assembly to supply power to the array light assembly and controlling the array light assembly to flash at the same time, and the projection assembly is used for amplifying and projecting light of the array light assembly onto a white wall. The invention can solve the technical problems that the conventional vision training instrument is large in size, not easy to carry and single in training place.
Description
Technical Field
The invention relates to the technical field of optical vision, in particular to an intelligent optical vision training device.
Background
The existing vision training instrument is a large round light rotary table hung on a wall or is in the form of a common paper paste picture with eye muscle exercise pictures, wherein the light rotary table is large in size and not easy to carry, a trainer can only use at home or in a single fixed place, and meanwhile, the light rotary table upper lamps are sequentially lighted according to the eye muscle exercise pictures, so that the training process is boring.
Disclosure of Invention
The invention provides an intelligent optical vision training device which is used for solving the technical problems.
In order to solve the technical problems, the invention discloses an intelligent optical vision training device which comprises a projection mounting machine body, wherein a component mounting cavity is arranged in the projection mounting machine body, and a projection training component is arranged in the component mounting cavity;
the projection training assembly comprises an installation shell, a power controller board, an array light assembly and a projection assembly are arranged in the installation shell, the power controller board is fixedly connected to the bottom of an assembly installation cavity, the power controller board is used for controlling the projection assembly to supply power to the array light assembly and controlling the array light assembly to flash at the same time, and the projection assembly is used for amplifying and projecting light of the array light assembly onto a white wall.
Preferably, the array light assembly comprises a mounting light plate, the mounting light plate is fixedly connected with the power supply controller plate, an LED lamp is arranged in the center of the mounting light plate, a plurality of LED lamps are annularly arranged around the mounting light plate, and the LED lamps are electrically connected with the power supply controller plate;
the power supply controller board controls the LED lamps to be sequentially lightened according to a certain sequence.
Preferably, the projection installing machine is internally provided with an adjusting worm, one end key of the adjusting worm, which is positioned outside the projection installing machine, is connected with manual adjusting teeth, the projection installing machine is internally provided with two symmetrically arranged adjusting worm wheels through a worm wheel rotating shaft in a rotating way, the adjusting worm wheels are meshed with the adjusting worm, and an elastic band is wound on the worm wheel rotating shaft.
Preferably, the projection assembly comprises a prism and a plurality of lamp cup lenses, the lamp cup lenses are in one-to-one correspondence with the LED lamps, a light source accommodating cavity is formed in the bottom of the lamp cup lenses and used for accommodating the LED lamps, and the prism is arranged right in front of the lamp cup lenses;
each lamp cup lens is provided with a different animal pattern.
Preferably, elastic bands are arranged on the left side and the right side of the projection installation machine body, one end, away from the projection installation machine body, of each elastic band is connected with an adjusting mechanism shell, and an elastic adjusting mechanism is arranged in each adjusting mechanism shell;
the elastic adjustment mechanism comprises a first meshing adjustment tooth, the first meshing adjustment tooth is rotationally connected in the adjustment mechanism shell through a connecting rotating shaft, one end of the connecting rotating shaft, which is far away from the first meshing adjustment tooth, is connected with a manual adjustment tooth through a key, a first mechanism installation cavity is formed in the adjustment mechanism shell, the first mechanism installation cavity is rotationally connected with a first rotating shaft, the first rotating shaft is positioned right above the first meshing adjustment tooth, a second meshing adjustment tooth and a winding reel are connected on the first rotating shaft through keys, the first meshing adjustment tooth and the second meshing adjustment tooth are meshed with each other, two tensioning ropes are wound on the winding reel, second installation cavities are formed in two sides of the first mechanism installation cavity, and an elastic adjustment main body is slidably connected in the second installation cavity;
The elastic tension adjusting device comprises a winding drum, and is characterized in that the elastic tension adjusting main body comprises a connecting rod mechanism, the connecting rod mechanism comprises a plurality of connecting rods which are hinged in sequence from beginning to end, an adjusting sliding groove is formed in the side wall of a second mounting cavity, an adjusting sliding block is fixedly connected to the first hinge point of the connecting rod mechanism, the adjusting sliding block is slidably connected to the adjusting sliding groove, first buffering elastic pieces are fixedly connected to the upper side wall and the lower side wall of the adjusting sliding groove, a first driving piece is arranged on the adjusting sliding block, the first driving piece is used for driving the adjusting sliding block to move along the adjusting sliding groove, a horizontal sliding block is hinged to the hinge point of the tail of the connecting rod mechanism, a horizontal sliding groove with an axis horizontally arranged horizontal sliding groove is formed in the second mounting cavity, an extension drum is slidably connected to the horizontal sliding groove, a linear driving piece is arranged on the extension drum, one end of the extension drum, which is far away from the winding drum, is connected with a clamping seat, an extension drum mounting hole is formed in the clamping seat, the extension drum mounting sleeve is used for driving the extension drum, the extension drum mounting hole is arranged in the clamping seat, the extension drum mounting hole is far from the end of the extension drum, the end of the extension drum is fixedly connected with the clamping seat, and the end of the extension drum is far from the clamping seat.
Preferably, elastic band installation cavities are symmetrically arranged on two sides of the projection installation machine body, elastic band clamping mechanisms are arranged in the elastic band installation cavities and used for clamping elastic bands, elastic band installation grooves are formed in the elastic band installation cavities, the upper side wall and the lower side wall of each elastic band installation groove are communicated with the corresponding elastic band installation cavity, and the elastic band installation grooves are used for installing the elastic bands;
the elastic band clamping mechanism comprises two symmetrically arranged push buttons, two symmetrically arranged T-shaped slideways are arranged in the elastic band mounting cavity, the T-shaped slideways are divided into horizontal slideways and vertical slideways, the push buttons are slidably mounted in the horizontal slideways, second driving pieces are arranged on the push buttons and used for driving the push buttons to slide along the horizontal slideways, a push table is arranged at one end of each push button, a first spring is sleeved on a part between the push table and the projection mounting machine body on each push button, a trapezoidal block is fixedly connected to one end of each push button, far away from the push table, of each trapezoidal block, inclined surfaces which are symmetrically arranged are arranged on each trapezoidal block, wedge blocks are symmetrically slidably connected with each other in the vertical slideways, inclined surfaces which are matched with the inclined surfaces of the trapezoidal blocks are arranged at one ends of the wedge blocks, far away from the trapezoidal blocks, are fixedly connected with the vertical slideways through second springs, a short clamp is symmetrically connected with each horizontal slideway, a driving clamp is symmetrically connected with each short clamp, a driving clamp is arranged on each driving clamp, a driving clamp is connected with each driving clamp through a short clamp, and the driving clamp is connected with each driving clamp through a short clamp;
The first clamping mechanism comprises a clamping connecting rod, a connecting groove is formed in the clamping connecting rod, the connecting short rod is connected in the connecting groove in a sliding mode, the middle of the connecting short rod is rotationally connected with the inner wall of the elastic band installation cavity, and a clamping block is hinged to one end, far away from the connecting short rod, of the connecting short rod;
the second clamping mechanism comprises a first rotating shaft and a second rotating shaft which are rotatably connected in the elastic band installation cavity, the first rotating shaft and the second rotating shaft are located on the same horizontal line, a first clamping gear and a first sprocket are connected to the first rotating shaft in a key manner, a second clamping gear and a second sprocket are connected to the second rotating shaft in a key manner, the first clamping gear is meshed with the driving rack, a meshing chain is arranged between the first sprocket and the second sprocket, the meshing chain is meshed with the first sprocket and the second sprocket, a T-shaped clamping body is arranged between the two second clamping gears, the T-shaped clamping body comprises a double-face meshing rod and a clamping brake block, and meshing teeth are arranged on the left side surface and the right side surface of the double-face meshing rod and are meshed with the double-face meshing rod through the meshing teeth.
Preferably, the method further comprises:
training posture suggestion system, training posture suggestion system sets up in the projection mounting plate is internal, training posture suggestion system is used for prompting whether the gesture when the user carries out vision training is qualified, training posture suggestion system includes:
the detection analysis unit is electrically connected with the prompting unit and is used for judging whether the training posture of the user is qualified or not, and if the training posture of the user is unqualified, the prompting unit is triggered to work by the analysis unit;
the detection and analysis unit comprises an angle sensor and an infrared sensor, the angle sensor and the infrared sensor are both arranged in the projection installing machine body, the angle sensor is used for detecting the included angle between the head of a user and the horizontal direction, the infrared sensor is used for detecting the actual distance between the user and the white wall, when the actual distance between the user and the white wall is in the optimal effective training distance range and the included angle between the head of the user and the horizontal direction is in the optimal effective training pitch angle range, the detection and analysis unit circularly and repeatedly works, and when the actual distance between the user and the white wall exceeds the optimal effective training distance range or the included angle between the head of the user and the horizontal direction exceeds the optimal effective training pitch angle range, the detection and analysis unit triggers the prompting unit to work;
The prompting unit comprises a laser indicator and a controller, the controller is electrically connected with the laser indicator, the laser indicator is arranged at the geometric center of the projection installation machine body, the laser indicator can emit red light rays and blue light rays, a beam change-over switch is arranged in the laser indicator, the beam change-over switch can perform beam change-over, and the controller controls the beam change-over switch to change over a beam of light comprises the following steps:
step one: based on the infrared sensor and formula (1), calculating a distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for the distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range, ln is the natural logarithm based on e, epsilon 1 For the measurement error coefficient of the infrared sensor c st C is the actual speed of propagation of the electromagnetic wave of the infrared sensor in the air 0 For the speed of light propagation in air, D max Maximum distance for the best effective training, D min Minimum distance t for the best effective training 1 The time taken for electromagnetic waves of the infrared sensor to propagate between the user and the white wall;
Step two: based on an angle sensor and a formula (2), calculating an angle deviation coefficient between the included angle of the user head and the horizontal direction and the optimal effective training pitch angle range:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for the angle deviation coefficient epsilon between the angle between the head of the user and the horizontal direction and the range of the optimal effective training pitching angle 2 T is the error coefficient of the angle sensor 2 For the detection time of the angle sensor, θ sti For the angle detection value of the ith moment of the angle sensor, theta max To train the maximum pitching angle of best and effective min Training a minimum pitch angle for optimal effectiveness, wherein both the elevation angle and the pitch angle are positive numbers;
step three: the controller firstly compares the distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range, if the distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range is larger than the preset distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range, the controller controls the beam change-over switch to be converted into blue light, the user adjusts the distance between the beam change-over switch and the white wall by himself, when the user adjusts the beam change-over switch in place, the blue light is extinguished, the controller compares the angle deviation coefficient between the angle between the user head and the horizontal direction and the optimal effective training pitch angle range with the preset angle deviation coefficient between the angle between the user head and the horizontal direction and the optimal effective training pitch angle range, and if the angle between the user head and the horizontal direction and the optimal effective training pitch angle range are larger than the preset angle deviation coefficient between the angle between the user head and the horizontal direction and the optimal effective training pitch angle range, the controller controls the beam change-over switch to be converted into red light at the position of the light projection module, and the light beam change-over switch is controlled to be positioned at the light spot of the light projection module.
Preferably, the method further comprises:
the ultrasonic ranging system is arranged on the projection installation machine body and used for prompting a user to use the actual distance between the white wall projected by the projection assembly and the user:
the ultrasonic ranging system comprises an ultrasonic transmitting unit, an ultrasonic receiving unit, a timer and a temperature sensor, wherein the ultrasonic transmitting unit, the ultrasonic receiving unit, the timer and the temperature sensor are electrically connected, and the ultrasonic ranging system comprises:
the ultrasonic wave transmitting unit is used for transmitting ultrasonic waves;
the ultrasonic receiving unit is used for receiving ultrasonic reflected by the white wall;
the timer is used for counting the interval time of the ultrasonic wave emitted by the ultrasonic wave emitting unit;
the timer is used for detecting the time from the ultrasonic wave transmitting unit to the ultrasonic wave receiving unit receiving the ultrasonic wave;
the temperature sensor is used for detecting the temperature of the external environment;
calculating the actual distance between the white wall projected by the projection component and the user based on the ultrasonic wave transmitting unit, the ultrasonic wave receiving unit, the timer and the temperature sensor:
Wherein d st For the actual distance between the white wall projected by the projection component and the user, theta is the measurement error coefficient of the ultrasonic ranging system, T st T is the detection value of the temperature sensor 0 Is used as a reference temperature of the external environment,
for the wave velocity of the ultrasonic wave emitted by the ultrasonic wave emitting unit, t is the detection value of the timer, and f is the counting frequency of the timer;
if the actual distance between the white wall projected by the projection component and the user exceeds the distance between the user and the white wall to be the optimal distance range for vision training, the ultrasonic ranging system prompts the user to adjust the distance between the user and the white wall.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a rear view of a projection mounting body of the present invention.
Fig. 2 is a front view of the projection mounting body of the present invention.
Fig. 3 is a top view of the projection mounting body of the present invention.
Fig. 4 is a side view of the projection mounting body of the present invention.
Fig. 5 is a schematic view of a projection assembly and an array lamp assembly according to the present invention.
Fig. 6 is an enlarged view B of fig. 5 of the present invention.
Fig. 7 is a diagram of an LED lamp array and a flicker sequence of the present invention.
Fig. 8 is a schematic view of the installation of the adjustment worm and adjustment worm gear of the present invention.
FIG. 9 is a schematic view of a slack adjuster mechanism according to the present invention.
Fig. 10 is an enlarged view a of a portion of fig. 9 in accordance with the present invention.
FIG. 11 is a schematic view of the elastic band clamping mechanism of the present invention.
In the figure: 1. an LED lamp; 2. a projection mounting machine body; 200. an adjustment mechanism housing; 2000. a component mounting cavity; 201. an elastic band; 3. a projection training component; 300. a power supply controller board; 301. a projection assembly; 3010. a prism; 3011. a lamp cup lens; 3012. a light source accommodating chamber; 302. an array light assembly; 3020. mounting a lamp panel; 303. a mounting shell; 4. a tightness adjusting mechanism; 400. a first mechanism mounting cavity; 4000. a first rotating shaft; 4001. a second engagement adjustment tooth; 4002. a bobbin; 4003. tensioning the rope; 401. manually adjusting the teeth; 402. a second mounting cavity; 4020. adjusting the chute; 4021. a horizontal chute; 403. a tightness adjusting body; 4030. a link mechanism; 4031. a connecting rod; 4032. an adjusting slide block; 4033. a first buffer elastic member; 4034. a horizontal slider; 4035. an extension cylinder; 4036. a linear driving member; 4037. an extension cylinder mounting hole; 4038. a second buffer elastic member; 404. a clamping seat; 405. adjusting a worm; 4050. adjusting a worm wheel; 4051. a worm wheel rotating shaft; 406. a first engagement adjustment tooth; 407. the connecting rotating shaft; 5. an elastic band clamping mechanism; 500. an elastic band installation cavity; 5000. an elastic band mounting groove; 501. a push button; 5010. pushing the platform; 5011. a trapezoid block; 5012. a first spring; 502. a T-shaped slideway; 5020. a horizontal slideway; 5021. a vertical slideway; 5022. wedge blocks; 5023. a second spring; 5024. clamping a driving table; 5025. a drive rack; 5026. connecting short rods; 503. a first clamping mechanism; 5030. clamping a connecting rod; 5031. a connecting groove; 5032. clamping blocks; 504. a second clamping mechanism; 5040. a first rotation shaft; 5041. a second rotation shaft; 5042. a first clamping gear; 5043. a first sprocket; 5044. a second clamping gear; 5045. a second sprocket; 5046. a meshing chain; 5047. a T-shaped clamping body; 5048. a double-sided engagement lever; 5049. and clamping the brake block.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
The invention provides the following examples:
example 1
The embodiment of the invention provides an intelligent optical vision training device, as shown in fig. 1-11, which comprises a projection installation machine body 2, wherein a component installation cavity 2000 is arranged in the projection installation machine body 2, and a projection training component 3 is arranged in the component installation cavity 2000;
The projection training assembly 3 comprises an installation shell 303, a power controller board 300, an array light assembly 302 and a projection assembly 301 are arranged in the installation shell 303, the power controller board 300 is fixedly connected to the bottom of the assembly installation cavity 2000, the power controller board 300 is used for controlling power supply to the projection assembly 301 and the array light assembly 302, meanwhile, controlling flickering of the array light assembly 302, and the projection assembly 301 is used for amplifying and projecting light of the array light assembly 302 onto a white wall.
The working principle and the beneficial effects of the technical scheme are as follows: when the intelligent vision training device is used, the projection installation machine body 2 is worn on the forehead, the projection component 301 amplifies the light of the array light component 302 and projects the amplified light onto the white wall, the power supply controller board 300 controls the array light component 302 to flash sequentially, the sequence of the flash of the array light component 302 is shown in fig. 7, the eye beads of a user follow the flash of the array light component 302 to rotate, the intelligent optical vision training device is small in size and convenient to carry, a training place is not selected, and the technical problems that a conventional vision training instrument is large in size and not easy to carry and the training place is single and fixed are solved.
Example 2
On the basis of the above embodiment 1, the array light assembly 302 includes a mounting light board 3020, the mounting light board 3020 is fixedly connected with the power controller board 300, an LED light 1 is disposed in the center of the mounting light board 3020, and a plurality of other LED lights 1 are annularly arranged around the mounting light board 3020, and the LED light 1 is electrically connected with the power controller board 300;
the power controller board 300 controls the plurality of LED lamps 1 to be sequentially lighted in a certain order;
the projection assembly 301 comprises a prism 3010 and a plurality of lamp cup lenses 3011, the lamp cup lenses 3011 are in one-to-one correspondence with the LED lamps 1, a light source accommodating cavity 3012 is formed in the bottom of the lamp cup lenses 3011, the light source accommodating cavity 3012 is used for accommodating the LED lamps, and the prism 3010 is arranged right in front of the lamp cup lenses 3011;
each of the cup lenses 3011 is provided with a different animal pattern;
the projection installation machine body 2 is internally provided with an adjusting worm 405, one end of the adjusting worm 405, which is positioned outside the projection installation machine body 2, is connected with a manual adjusting tooth 401 by a key, the projection installation machine body 2 is internally connected with two symmetrically arranged adjusting worm gears 4050 in a rotating way through a worm gear rotating shaft 4051, the adjusting worm gears 4050 are meshed with the adjusting worm 405, and an elastic band 201 is wound on the worm gear rotating shaft 4051.
The working principle and the beneficial effects of the technical scheme are as follows: the power supply controller board 300 controls a plurality of LED lamps 1 to light in turn according to the sequence of fig. 7, the design of lamp cup lens 3011 can make the light of LED lamp 1 more even, lamp cup lens 3011 is equipped with different animal patterns and can make not be boring when the user trains, the design of prism 3010 can with the image of array light subassembly 302 carries out the enlarged projection (can enlarge the light of former array light subassembly 302 ten times through the projection), when needs are adjusted the length of elastic cord 201, rotate manual regulation tooth 401, regulation worm 405 rotates and drives regulation worm gear 4050 rotates, regulation worm gear 4050 rotates and drives worm wheel pivot 4051 rotates, worm wheel pivot 4051 rotates and drives the length of elastic cord 201 is adjusted.
Example 3
On the basis of embodiment 1 or 2, the projection installation machine body 2 comprises an adjusting mechanism shell 200 and elastic bands 201 symmetrically arranged at the left side and the right side of the adjusting mechanism shell 200, and an elastic adjusting mechanism 4 is arranged in the adjusting mechanism shell 200;
the tightness adjusting mechanism 4 comprises a first meshing adjusting tooth 406, the first meshing adjusting tooth 406 is rotatably connected in the adjusting mechanism shell 200 through a connecting rotating shaft 407, one end of the connecting rotating shaft 407, which is far away from the first meshing adjusting tooth 406, is connected with a manual adjusting tooth 401 by a key, a first mechanism installation cavity 400 is formed in the adjusting mechanism shell 200, a first rotating shaft 4000 is rotatably connected in the first mechanism installation cavity 400, the first rotating shaft 4000 is positioned right above the first meshing adjusting tooth 406, a second meshing adjusting tooth 4001 and a winding reel 4002 are connected on the first rotating shaft 4000 by a key, the first meshing adjusting tooth 406 and the second meshing adjusting tooth 4001 are meshed with each other, two tensioning ropes 4003 are wound on the winding reel 4002, second installation cavities 402 are formed in two sides of the first mechanism installation cavity 400, and a tightness adjusting main body 403 is connected in a sliding manner in the second installation cavity 402;
The tension adjusting body 403 comprises a connecting rod mechanism 4030, the connecting rod mechanism 4030 comprises a plurality of connecting rods 4031 which are sequentially hinged from head to tail, an adjusting sliding groove 4020 is formed in the side wall of a second mounting cavity 402, an adjusting sliding block 4032 is fixedly connected to the first hinge point of the connecting rod mechanism 4030, the adjusting sliding block 4032 is slidably connected to the adjusting sliding groove 4020, first buffer elastic pieces 4033 are fixedly connected to the upper side wall and the lower side wall of the adjusting sliding groove 4020, a first driving piece is arranged on the adjusting sliding block 4032 and used for driving the adjusting sliding block 4032 to move along the adjusting sliding groove 4020, a horizontal sliding block 4034 is hinged to the hinge point of the tail of the connecting rod mechanism 4030, a horizontal sliding groove 4021 which is horizontally arranged on an axis is formed in the second mounting cavity 402, a stretching barrel 4035 is connected to the inner sliding groove 1, a linear driving piece 4036 is arranged on the stretching barrel 4035, the linear driving piece 4036 is arranged on the stretching barrel 4035 and is far away from one end of the stretching barrel 4037, which is fixedly connected to the stretching barrel 4037, of the stretching barrel 4037, and the stretching barrel 4037 is fixedly connected to one end of the stretching barrel 4037, and the stretching barrel 4037 is fixedly arranged on the stretching barrel 4037.
The working principle and the beneficial effects of the technical scheme are as follows:
when the length of the elastic band 201 needs to be shortened, the manual adjusting tooth 401 is manually rotated anticlockwise, the manual adjusting tooth 401 is rotated anticlockwise to drive the first rotating shaft 4000 to rotate anticlockwise, the first rotating shaft 4000 is rotated anticlockwise to drive the first meshing adjusting tooth 406 to rotate anticlockwise, the first meshing adjusting tooth 406 is rotated anticlockwise to drive the second meshing adjusting tooth 4001 to rotate clockwise, the second meshing adjusting tooth 4001 is rotated clockwise to drive the bobbin 4002 to rotate clockwise, the bobbin 4002 is rotated clockwise to drive the tensioning cord 4003 to be recovered, and the tensioning cord 4003 pulls the tension adjusting body 403 to move towards the symmetrical center direction of the adjusting mechanism housing 200, so that the length of the elastic band 201 outside the adjusting mechanism housing 200 is shortened;
when the length of the elastic band 201 needs to be extended, the manual adjusting tooth 401 is manually rotated clockwise, the manual adjusting tooth 401 rotates clockwise to drive the first rotating shaft 4000 to rotate clockwise, the first rotating shaft 4000 rotates clockwise to drive the first meshing adjusting tooth 406 to rotate clockwise, the first meshing adjusting tooth 406 rotates clockwise to drive the second meshing adjusting tooth 4001 to rotate anticlockwise, the second meshing adjusting tooth 4001 rotates anticlockwise to drive the winding drum 4002 to rotate anticlockwise, the winding drum 4002 rotates anticlockwise to drive the tensioning rope 4003 to gradually loosen, and at the same time, the linear driving member 4036 drives the extending drum 4035 to slide along the horizontal sliding groove 4021, so that the extending drum 4035 pushes the clamping seat 404 to move away from the symmetrical center direction of the adjusting mechanism housing 200, and the length of the elastic band 201 outside the adjusting mechanism housing 200 is prolonged;
When the linear driving member 4036 cannot work, the first driving member drives the adjusting slider 4032 to move downward along the adjusting chute 4020, the adjusting slider 4032 moves downward to drive the link mechanism 4030 to extend away from the symmetry center of the adjusting mechanism housing 200, the link mechanism 4030 extends to drive the horizontal slider 4034 to move along the second mounting cavity 402 toward the direction away from the symmetry center of the adjusting mechanism housing 200, the horizontal slider 4034 pushes the clamping seat 404 to move away from the symmetry center of the adjusting mechanism housing 200, and the clamping seat 404 moves to lengthen the length of the elastic band 201 outside the adjusting mechanism housing 200;
the design of first buffering elastic component 4033 has avoided the slip from top to bottom of adjusting slider 4032 is right the striking of adjusting chute 4020 has prolonged the life of adjusting slider 4032, the design of second buffering elastic component 4038 has avoided extension section of thick bamboo 4035 is right the impact of clamping seat 404, the design of link mechanism 4030 has avoided the straight line driving piece 4036 can not the during operation projection installation organism 2's normal work, projection installation organism 2's design makes the regulation of elastic cord 201 length is more convenient, and has improved the adaptability of vision training device.
Example 4
On the basis of embodiment 1, elastic band installation cavities 500 are symmetrically arranged on two sides of the projection installation machine body 2, elastic band clamping mechanisms 5 are arranged in the elastic band installation cavities 500, the elastic band clamping mechanisms 5 are used for clamping elastic bands 201, elastic band installation grooves 5000 are arranged in the elastic band installation cavities 500, the upper side wall and the lower side wall of each elastic band installation groove 5000 are communicated with the corresponding elastic band installation cavities 500, and the elastic band installation grooves 5000 are used for installing the elastic bands 201;
the elastic band clamping mechanism 5 comprises two symmetrically arranged push buttons 501, two symmetrically arranged T-shaped slide ways 502 are arranged in the elastic band installation cavity 500, the T-shaped slide ways 502 are divided into horizontal slide ways 5020 and vertical slide ways 5021, the push buttons 501 are slidably installed in the horizontal slide ways 5020, second driving pieces are arranged on the push buttons 501 and used for driving the push buttons 501 to slide along the horizontal slide ways 5020, push tables 5010 are arranged at one ends of the push buttons 501, first springs 5012 are sleeved on the push buttons 501 at the parts between the push tables 5010 and the projection installation machine body 2, trapezoidal blocks 5011 are fixedly connected to one ends of the push buttons 501, two symmetrically arranged inclined planes are arranged on the trapezoidal blocks 5021, wedge blocks 5022 are symmetrically slidably connected to the horizontal slide ways 5021, one ends of the wedge blocks 5022 close to the trapezoidal blocks 5021 are provided with inclined planes matched with the trapezoidal blocks 5021, the inclined planes of the wedge blocks 5022 are further connected with the first clips 5024, and the wedge blocks 5024 are connected with the second clips 5024 in a driving mode, and the wedge blocks 5024 are connected with the first clips 5024 through the vertical clips 5024 in a driving mode, and the two short clips 5024 are connected with the vertical clips 5024 through the driving mechanisms;
The first clamping mechanism 503 includes a clamping connecting rod 5030, a connecting groove 5031 is formed in the clamping connecting rod 5030, the connecting short rod 5026 is slidably connected in the connecting groove 5031, the middle of the connecting short rod 5026 is rotatably connected with the inner wall of the elastic band mounting cavity 500, and a clamping block 5032 is hinged to one end of the connecting short rod 5026 away from the connecting short rod 5026;
the second clamping mechanism 504 comprises a first rotating shaft 5040 and a second rotating shaft 5041 which are rotatably connected in the elastic band installation cavity 500, the first rotating shaft 5040 and the second rotating shaft 5041 are positioned on the same horizontal line, a first clamping gear 5042 and a first sprocket 5043 are connected on the first rotating shaft 5040 in a key manner, a second clamping gear 5044 and a second sprocket 5045 are connected on the second rotating shaft 5041 in a key manner, the first clamping gear 5042 is meshed with the driving rack 5025, an engagement chain 5046 is arranged between the first sprocket 5043 and the second sprocket 5045, the engagement chain 5046 is meshed with the first sprocket 5043 and the second sprocket 5045, a T-shaped clamping body 5047 is arranged between the two second clamping gears 5044, the T-shaped clamping body 5047 comprises a double-sided engagement rod 5048 and a clamping block 5049, engagement teeth are arranged on the left side surface and the right side surface of the engagement rod 5048, and the two double-sided gears 5044 are meshed with the double-sided engagement rod 5048.
The working principle and the beneficial effects of the technical scheme are as follows: when in use, the elastic band 201 is inserted into the elastic band mounting groove 5000, and then the second driving piece drives the push button 501 to slide along the horizontal slideway 5020 towards the left and right central directions of the elastic band mounting cavity 500, the inclined surfaces of the trapezoid blocks 5011 on the push button 501 and the inclined surfaces of the wedge blocks 5022 are mutually matched so that the trapezoid blocks 5011 slide towards the vertical central directions away from the elastic band mounting cavity 500, the trapezoid blocks 5011 slide to push the clamping driving table 5024 to slide towards the vertical central directions away from the elastic band mounting cavity 500, and the clamping driving table 5024 slides to drive the first clamping mechanism 503 and the second clamping mechanism 504 to clamp the elastic band 201;
when the first clamping mechanism 503 works, the clamping driving table 5024 slides to drive the clamping connecting rod 5030 to rotate, the clamping connecting rod 5030 rotates to drive the clamping block 5032 to clamp the elastic belt 201, when the second clamping mechanism 504 works, the clamping driving table 5024 slides to drive the driving rack 5025 to move up and down, the driving rack 5025 moves up and down to drive the first clamping gear 5042 to rotate, the first clamping gear 5042 rotates to drive the first sprocket 5043 to rotate, the first sprocket 5043 rotates to drive the meshing chain 5046 to drive, the meshing chain 5046 drives the second sprocket 5045 to rotate, the second sprocket 5045 rotates to drive the second clamping gear 5044 to rotate, and the second clamping gear 5044 rotates to drive the T-shaped clamping body 5047 to move up and down under the action of the double-sided meshing rod 5048 to drive the clamping block 5049 to clamp the elastic belt 201;
Compared with the fixed connection of the elastic band 201, the elastic band clamping mechanism 5 facilitates the replacement of the elastic band 201, and the first clamping mechanism 503 and the second clamping mechanism 504 are designed at the same time to ensure the clamping reliability of the elastic band clamping mechanism 5.
Example 5
On the basis of the embodiment 1, the method further comprises the following steps:
training posture suggestion system, training posture suggestion system sets up in projection installation organism 2, training posture suggestion system is used for prompting whether the gesture when the user carries out vision training is qualified, training posture suggestion system includes:
the detection analysis unit is electrically connected with the prompting unit and is used for judging whether the training posture of the user is qualified or not, and if the training posture of the user is unqualified, the prompting unit is triggered to work by the analysis unit;
the detection and analysis unit comprises an angle sensor and an infrared sensor, the angle sensor and the infrared sensor are both arranged in the projection installation machine body 2, the angle sensor is used for detecting the included angle between the head of a user and the horizontal direction, the infrared sensor is used for detecting the actual distance between the user and the white wall, when the actual distance between the user and the white wall is in the optimal effective training range of distance and the included angle between the head of the user and the horizontal direction is in the optimal effective training range of pitch angle, the detection and analysis unit circularly and repeatedly works, and when the actual distance between the user and the white wall exceeds the optimal effective training range of distance or the included angle between the head of the user and the horizontal direction exceeds the optimal effective training range of pitch angle, the detection and analysis unit triggers the prompting unit to work;
The prompting unit comprises a laser indicator and a controller, the controller is electrically connected with the laser indicator, the laser indicator is arranged at the geometric center of the projection installation machine body 2, the laser indicator can emit red light rays and blue light rays, a beam change-over switch is arranged in the laser indicator, the beam change-over switch can perform beam change-over, and the controller controls the beam change-over switch to change over a beam of light comprises the following steps:
step one: based on the infrared sensor and formula (1), calculating a distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for the distance deviation coefficient (value 0.85-0.92) between the actual distance between the user and the white wall and the optimal effective training distance range, ln is the natural logarithm based on e, epsilon 1 For the measurement error coefficient of the infrared sensor c st C is the actual speed of propagation of the electromagnetic wave of the infrared sensor in the air 0 For the speed of light propagation in air, D max Maximum distance for the best effective training, D min Minimum distance t for the best effective training 1 The time taken for electromagnetic waves of the infrared sensor to propagate between the user and the white wall;
Step two: based on an angle sensor and a formula (2), calculating an angle deviation coefficient between the included angle of the user head and the horizontal direction and the optimal effective training pitch angle range:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for the angle deviation coefficient (the value is 0.85-0.92) between the included angle between the head of the user and the horizontal direction and the range of the optimal effective training pitching angle, epsilon 2 T is the error coefficient of the angle sensor 2 For the detection time of the angle sensor, θ sti For the angle detection value of the ith moment of the angle sensor, theta max To train the maximum pitching angle of best and effective min Training a minimum pitch angle for optimal effectiveness, wherein both the elevation angle and the pitch angle are positive numbers;
step three: the controller compares the distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range, if the distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range is larger than the preset distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range, the controller controls the beam conversion switch to convert blue light, the user adjusts the distance between the beam conversion switch and the white wall by himself, when the user adjusts the beam conversion switch in place, the blue light is extinguished, the controller compares the angle deviation coefficient between the angle between the user head and the horizontal direction and the optimal effective training pitch angle range with the preset angle deviation coefficient between the angle between the user head and the horizontal direction and the optimal effective training pitch angle range, and if the angle between the user head and the horizontal direction and the angle deviation coefficient between the optimal effective training pitch angle range are larger than the preset angle deviation coefficient between the angle between the user head and the horizontal direction and the optimal effective training pitch angle range, the controller controls the beam conversion switch to adjust the red light to be the red light projection component at the light projection center of the light projection module.
The working principle and the beneficial effects of the technical scheme are as follows: the design of the training posture prompting system ensures that a user uses the intelligent optical vision training device in the optimal effective training distance range and the optimal effective training pitch angle range, the training effectiveness of the user is improved, the design of the detection analysis unit triggers the prompting unit to work when the actual distance between the user and the white wall exceeds the optimal effective training distance range or the included angle between the head and the horizontal direction exceeds the optimal effective training pitch angle range, the prompting unit is prevented from being in a standby state all the time, resources are saved, and D is introduced when the distance deviation coefficient between the actual distance between the user and the white wall and the optimal effective training distance range is calculated max (maximum distance of the best effective training) and D min (minimum distance of the best effective training) and c st *t 1 (the actual distance between the user and the white wall detected by the infrared sensor) so that the calculation result of the formula (1) is more accurate, the formula (2)
At t 2 And the average detection value of the angle sensor in time.
Example 6
On the basis of embodiment 1 or 2, further comprising:
An ultrasonic ranging system is arranged on the projection installation machine body 2 and is used for prompting a user to use the actual distance between the white wall projected by the projection assembly 301 and the user:
the ultrasonic ranging system comprises an ultrasonic transmitting unit, an ultrasonic receiving unit, a timer and a temperature sensor, wherein the ultrasonic transmitting unit, the ultrasonic receiving unit, the timer and the temperature sensor are electrically connected, and the ultrasonic ranging system comprises:
the ultrasonic wave transmitting unit is used for transmitting ultrasonic waves;
the ultrasonic receiving unit is used for receiving ultrasonic reflected by the white wall;
the timer is used for counting the interval time of the ultrasonic wave emitted by the ultrasonic wave emitting unit;
the timer is used for detecting the time from the ultrasonic wave transmitting unit to the ultrasonic wave receiving unit receiving the ultrasonic wave;
the temperature sensor is used for detecting the temperature of the external environment;
calculating an actual distance between the white wall projected by the projection assembly 301 and the user based on the ultrasonic wave transmitting unit, the ultrasonic wave receiving unit, the timer and the temperature sensor:
wherein d st For the actual distance between the white wall projected by the projection component 301 and the user, θ is the measurement error coefficient of the ultrasonic ranging system, and T st T is the detection value of the temperature sensor 0 Is used as a reference temperature of the external environment,
for the wave velocity of the ultrasonic wave emitted by the ultrasonic wave emitting unit, t is the detection value of the timer, and f is the counting frequency of the timer;
if the actual distance between the white wall projected by the projection component 301 and the user exceeds the distance between the user and the white wall to be the optimal distance range for vision training, the ultrasonic ranging system prompts the user to adjust the distance between the user and the white wall.
The working principle and the beneficial effects of the technical scheme are as follows: the design of the ultrasonic ranging system avoids the situation that the actual distance between the white wall and the user exceeds the optimal distance range of vision training between the user and the white wall, and ensures that the user can achieve the optimal use effect.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. The intelligent optical vision training device is characterized by comprising a projection installation machine body (2), wherein a component installation cavity (2000) is arranged in the projection installation machine body (2), and a projection training component (3) is arranged in the component installation cavity (2000);
the projection training assembly (3) comprises a mounting shell (303), wherein a power controller board (300), an array light assembly (302) and a projection assembly (301) are arranged in the mounting shell (303), the power controller board (300) is fixedly connected to the bottom of the assembly mounting cavity (2000), the power controller board (300) is used for controlling power supply to the projection assembly (301) and the array light assembly (302) and simultaneously controlling flickering of the array light assembly (302), and the projection assembly (301) is used for amplifying and projecting light of the array light assembly (302) onto a white wall;
elastic bands (201) are arranged on the left side and the right side of the projection installation machine body (2), one end, away from the projection installation machine body (2), of each elastic band (201) is connected with an adjusting mechanism shell (200), and an elastic adjusting mechanism (4) is arranged in each adjusting mechanism shell (200);
the tightness adjusting mechanism (4) comprises a first meshing adjusting tooth (406), the first meshing adjusting tooth (406) is rotationally connected into the adjusting mechanism shell (200) through a connecting rotating shaft (407), one end of the connecting rotating shaft (407) away from the first meshing adjusting tooth (406) is connected with a manual adjusting tooth (401) through a key, a first mechanism mounting cavity (400) is formed in the adjusting mechanism shell (200), a first rotating shaft (4000) is rotationally connected into the first mechanism mounting cavity (400), the first rotating shaft (4000) is located right above the first meshing adjusting tooth (406), a second meshing adjusting tooth (4001) and a winding reel (4002) are connected onto the first rotating shaft (4000), the first meshing adjusting tooth (406) and the second meshing adjusting tooth (4001) are mutually meshed, two tensioning ropes (4003) are wound on the winding reel (4002), two sides of the first mechanism mounting cavity (400) are respectively provided with a second mounting cavity (403), and the second tensioning ropes (4002) are connected with a second inner sliding adjusting body (402);
The tightness adjusting main body (403) comprises a connecting rod mechanism (4030), the connecting rod mechanism (4030) comprises a plurality of connecting rods (4031) which are connected in a hinged mode in sequence from beginning to end, an adjusting sliding chute (4020) is arranged on the side wall of a second mounting cavity (402), an adjusting sliding block (4032) is fixedly connected to the first hinge point of the connecting rod mechanism (4030), the adjusting sliding block (4032) is in sliding connection with the adjusting sliding chute (4020), a first buffering elastic piece (4033) is fixedly connected to the upper side wall and the lower side wall of the adjusting sliding chute (4020), a first driving piece is arranged on the adjusting sliding block (4032), the first driving piece is used for driving the adjusting sliding block (4032) to move along the adjusting sliding chute (4020), a horizontal sliding block (4034) is hinged to the tail hinge point of the connecting rod mechanism (4030), the horizontal sliding block (4034) can slide left and right along the second mounting cavity (402), a horizontal sliding chute (401) with an axis horizontally arranged in the second mounting cavity (402), a horizontal sliding chute (401) is arranged in a horizontal sliding chute (4035), a linear sliding chute (4035) is arranged on a linear sliding chute (4035), an extension cylinder mounting hole (4037) is formed in the clamping seat (404), the extension cylinder (4035) is sleeved in the extension cylinder mounting hole (4037), a second buffer elastic piece (4038) is fixedly connected to the bottom of the extension cylinder mounting hole (4037), the tensioning rope (4003) on the winding cylinder (4002) penetrates through the extension cylinder (4035) and is fixedly connected with the bottom of the extension cylinder mounting hole (4037), one end, far away from the extension cylinder mounting hole (4037), of the clamping seat (404) in the vertical direction is fixedly connected with the horizontal sliding block (4034), and one end, far away from the horizontal sliding block (4034), of the clamping seat (404) is connected with the elastic band (201);
Elastic band mounting cavities (500) are symmetrically formed in two sides of the projection mounting machine body (2), elastic band clamping mechanisms (5) are arranged in the elastic band mounting cavities (500), the elastic band clamping mechanisms (5) are used for clamping elastic bands (201), elastic band mounting grooves (5000) are formed in the elastic band mounting cavities (500), the upper side wall and the lower side wall of each elastic band mounting groove (5000) are communicated with the corresponding elastic band mounting cavities (500), and the elastic band mounting grooves (5000) are used for mounting the elastic bands (201);
the elastic band clamping mechanism (5) comprises two symmetrically arranged push buttons (501), two symmetrically arranged T-shaped slide ways (502) are arranged in the elastic band installation cavity (500), the T-shaped slide ways (502) are divided into horizontal slide ways (5020) and vertical slide ways (5021), the push buttons (501) are slidably arranged in the horizontal slide ways (5020), second driving pieces are arranged on the push buttons (501), the second driving pieces are used for driving the push buttons (501) to slide along the horizontal slide ways (5020), one end of each push button (501) is provided with a push table (5010), a part of the push buttons (501) between the push tables (5010) and the projection installation machine body (2) is sleeved with a first spring (5012), one end of each push button (501) away from each push table (5010) is fixedly connected with a trapezoidal block (5011), two symmetrically arranged inclined surfaces are arranged on each trapezoidal block (5011), one end of each vertical slide way (501) is provided with a wedge-shaped block (5021) which is matched with the corresponding wedge-shaped slide block (5022), still about in vertical slide (5021) horizontal slide (5020) symmetry sliding connection has clamp drive platform (5024), be equipped with on clamp drive platform (5024) and connect quarter butt (5026), clamp drive platform (5024) are connected with first clamping mechanism (503) through connect quarter butt (5026), be equipped with drive rack (5025) on clamp drive platform (5024), clamp drive platform (5024) are connected with second clamping mechanism (504) through drive rack (5025);
The first clamping mechanism (503) comprises a clamping connecting rod (5030), a connecting groove (5031) is formed in the clamping connecting rod (5030), a connecting short rod (5026) is slidably connected in the connecting groove (5031), the middle part of the connecting short rod (5026) is rotatably connected with the inner wall of the elastic band mounting cavity (500), and a clamping block (5032) is hinged to one end, far away from the connecting short rod (5026), of the connecting short rod (5026);
the second clamping mechanism (504) comprises a first rotating shaft (5040) and a second rotating shaft (5041) which are rotatably connected in the elastic band installation cavity (500), the first rotating shaft (5040) and the second rotating shaft (5041) are positioned on the same horizontal line, a first clamping gear (5042) and a first sprocket (5043) are connected on the first rotating shaft (5040) in a key way, a second clamping gear (5044) and a second sprocket (5045) are connected on the second rotating shaft (5041) in a key way, the first clamping gear (5042) is meshed with the driving rack (5025) mutually, an engagement chain (5046) is arranged between the first sprocket (5043) and the second sprocket (5045), a T-shaped clamping body (5047) is arranged between the second clamping gear (5044), the T-shaped clamping body (5043) comprises two sides of a double-sided clamping gear (5048) and two sides of a double-sided clamping rod (5048) are meshed with each other, and the two sides of the double-sided clamping rod (5048) are meshed with each other.
2. The intelligent optical vision training apparatus of claim 1 wherein,
the array light assembly (302) comprises a mounting light plate (3020), the mounting light plate (3020) is fixedly connected with the power supply controller board (300), an LED lamp (1) is arranged in the center of the mounting light plate (3020), a plurality of LED lamps (1) are annularly arranged around the mounting light plate, and the LED lamps (1) are electrically connected with the power supply controller board (300);
the power supply controller board (300) controls the LED lamps (1) to be sequentially lightened according to a certain sequence.
3. The intelligent optical vision training apparatus of claim 1 wherein,
the projection assembly (301) comprises a prism (3010) and a plurality of lamp cup lenses (3011), the lamp cup lenses (3011) are in one-to-one correspondence with the LED lamps (1), a light source accommodating cavity (3012) is formed in the bottom of the lamp cup lenses (3011), the light source accommodating cavity (3012) is used for accommodating the LED lamps, and the prism (3010) is arranged right in front of the lamp cup lenses (3011);
each of the cup lenses (3011) is provided with a different animal pattern.
4. The intelligent optical vision training apparatus of claim 1 wherein,
Be equipped with in projection installation organism (2) and adjust worm (405), it is located to adjust worm (405) one end key outside projection installation organism (2) is connected with manual regulation tooth (401), be connected with two symmetrical arrangement's regulation worm wheel (4050) through worm wheel pivot (4051) rotation in projection installation organism (2), regulation worm wheel (4050) with adjust worm (405) intermeshing, the winding has elastic cord (201) on worm wheel pivot (4051).
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