CN211633228U

CN211633228U - Automatic vision measuring device of infrared remote control based on labview

Info

Publication number: CN211633228U
Application number: CN201921932937.7U
Authority: CN
Inventors: 何小群
Original assignee: Chongqing Institute of Engineering
Current assignee: Chongqing Institute of Engineering
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-10-09
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses an infrared remote control eyesight automatic measuring device based on labview relates to eyesight measurement technical field. Including placing the seat, the last fixed surface who places the seat installs high adjusting device, high adjusting device's top fixed mounting has adjustable visual chart device, the board is placed to the right flank fixedly connected with of adjustable visual chart device, the remote controller has been placed to the medial surface of placing the board. This infrared remote control eyesight automatic measuring device based on labview through setting up height adjusting device, and electric putter drives the lifter and carries out elevating movement, makes the height of visual chart freely adjust for the visual chart is in with the same face with the height of human eye, makes the difference in the visual angle of index and eye obtain control, thereby has improved the degree of accuracy that visual detection surveyed, makes the detector of different heights all can carry out accurate detection.

Description

Automatic vision measuring device of infrared remote control based on labview

Technical Field

The utility model relates to an eyesight measurement technical field specifically is an infrared remote control eyesight automatic measuring device based on labview.

Background

Vision refers to the ability of the retina to resolve images. The quality of vision is determined by the ability of retina to resolve images, and existing vision measuring devices generally have charts for measuring vision, i.e. visual charts, which are made according to the principle of visual angle.

Among the prior art, vision measuring device is fixed suspension type mostly, and the measuring staff's of height difference also diverse sits the height, and current visual chart can not be according to measuring staff's height of sitting adjustment height, and the visual angle of the indicateing arm of co-altitude position department differs great simultaneously, can lead to the degree of accuracy of visual detection to receive the influence. In addition, the position of the index of the visual chart is set at the factory, the position cannot be adjusted, and after people write down the position of the index, the direction of the index can be accurately pointed out immediately without seeing the direction of the index clearly, so that the index can pass through detection.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an infrared remote control eyesight automatic measuring device based on labview possesses the height-adjusting and changes the advantage of index position, has solved the detection accuracy and has received influence and index position fixed's problem.

For the purpose that realizes above-mentioned height-adjusting and change index position, the utility model provides a following technical scheme: an infrared remote control automatic vision measuring device based on labview comprises a placing seat, wherein a height adjusting device is fixedly installed on the upper surface of the placing seat, an adjustable visual chart device is fixedly installed at the top end of the height adjusting device, a placing plate is fixedly connected to the right side face of the adjustable visual chart device, and a remote controller is placed on the inner side face of the placing plate;

the height adjusting device comprises an accommodating pipe, an accommodating groove is formed in the accommodating pipe, an electric push rod is fixedly installed at the bottom of the inner wall of the accommodating groove, a lifting rod is fixedly installed on an output shaft of the electric push rod, movable rods are fixedly connected to two side faces of the lifting rod, movable grooves are formed in the inner walls of two sides of the accommodating groove, one end, away from the lifting rod, of each movable rod extends to the inner part of the corresponding movable groove, and the top end of each lifting rod extends to the upper portion of the accommodating pipe through an opening in the top of the accommodating pipe and is fixedly connected with the bottom of the adjustable visual chart device;

the adjustable visual chart device comprises a containing plate, a motor is fixedly mounted on the inner wall of the containing plate, a first rotating shaft of the output shaft of the motor is fixedly connected with the inner wall of the containing plate through a bearing, a second rotating shaft is rotatably connected between the inner walls of the two sides of the containing plate through the bearing, the first rotating shaft and the second rotating shaft are connected through a movable belt in a transmission mode, a signal receiver and a controller are fixedly mounted inside the containing plate, and a light sensor is fixedly mounted on the front side of the containing plate.

Furthermore, the one end that the lifter was kept away from to the movable rod rotates and is connected with the movable pulley, the movable pulley is located the inside in activity groove and contradicts with the inner wall in activity groove.

Further, the top of accomodating inslot wall fixedly connected with two folded pieces, the folded piece is located the movable rod directly over.

Furthermore, an illuminating lamp is fixedly installed at the top of the front face of the adjustable visual chart device.

Furthermore, visual charts are arranged on the front surface and the back surface of the movable belt.

Furthermore, signal receiver and light sensor all are connected with the controller two-way electricity, the output of controller is connected with the input electricity of accomodating groove, light and motor respectively.

The utility model provides an infrared remote control vision automatic measuring device based on labview, through setting up height adjusting device, electric putter drives the lifter to carry out the elevating movement, impels the height of visual acuity chart to carry out free adjustment, makes the visual acuity chart and the height of human eye be in on the same face, impels the index and the visual angle difference of eye to be controlled, thereby has improved the degree of accuracy that the vision detected, makes the examiner of different heights all can carry out accurate detection; through setting up adjustable visual chart device, utilize the motor to drive two pivots and carry out the transmission, make the activity area rotate, make the visual chart of activity area front and back switch, the visual chart of front and back can make up simultaneously, thereby the position variety of different indexes has been guaranteed, make index position diverse on the visual chart that detects at every turn, thereby the cheating action through the detection through the position of memory index has been avoided, the true validity of detection achievement has been guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a back sectional view of the structure of the height adjusting device of the present invention;

FIG. 3 is a schematic view of the structure of the adjustable visual acuity chart apparatus of the present invention;

fig. 4 is a structural system diagram of the present invention.

In the figure: 1. a placing seat; 2. a height adjustment device; 201. receiving a tube; 202. a receiving groove; 203. an electric push rod; 204. a lifting rod; 205. a movable rod; 206. a movable wheel; 207. a movable groove; 208. a folding member; 3. an adjustable eye chart device; 4. placing the plate; 5. a remote controller; 6. an illuminating lamp; 7. a storage plate; 8. a motor; 9. a first rotating shaft; 10. a second rotating shaft; 11. a movable belt; 12. a signal receiver; 13. a controller; 14. a light sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the utility model discloses an infrared remote control vision automatic measuring device based on labview, including placing seat 1, the upper surface of placing seat 1 is fixed and is installed height-adjusting device 2, the top fixed mounting of height-adjusting device 2 has adjustable visual chart device 3, the right side fixed connection of adjustable visual chart device 3 places board 4, the medial surface of placing board 4 has placed remote controller 5, the positive top fixed mounting of adjustable visual chart device 3 has light 6, utilizes light sensor 14 to detect the intensity of light around the device, and when intensity is less than the setting value, light sensor 14 uploads the information to the inside of controller 13, and controller 13 starts light 6 and throws light on;

the height adjusting device 2 comprises an accommodating pipe 201, an accommodating groove 202 is formed in the accommodating pipe 201, an electric push rod 203 is fixedly mounted at the bottom of the inner wall of the accommodating groove 202, a lifting rod 204 is fixedly mounted at an output shaft of the electric push rod 203, movable rods 205 are fixedly connected to two side faces of the lifting rod 204, movable grooves 207 are formed in the inner walls of two sides of the accommodating groove 202, one end, far away from the lifting rod 204, of each movable rod 205 extends into the corresponding movable groove 207, the top end of each lifting rod 204 extends to the position above the accommodating pipe 201 through an opening in the top of the accommodating pipe 201 and is fixedly connected with the bottom of the adjustable visual chart device 3, the electric push rod 203 drives the lifting rod 204 to perform lifting motion by arranging the height adjusting device 2, so that the height of the visual chart can be freely adjusted, and the visual chart and the height of human eyes are in the same plane, the visual angle difference between the index and the eyes is controlled, so that the accuracy of vision detection is improved, and testers with different heights can perform accurate detection;

the adjustable visual acuity chart device 3 comprises a containing plate 7, a motor 8 is fixedly mounted on the inner wall of the containing plate 7, a first rotating shaft 9 is fixedly connected to an output shaft of the motor 8, the first rotating shaft 9 is rotatably connected with the inner wall of the containing plate 7 through a bearing, a second rotating shaft 10 is rotatably connected between the inner walls of the two sides of the containing plate 7 through a bearing, the first rotating shaft 9 and the second rotating shaft 10 are in transmission connection through a movable belt 11, visual acuity charts are arranged on the front surface and the back surface of the movable belt 11, a signal receiver 12 and a controller 13 are fixedly mounted inside the containing plate 7, a light sensor 14 is fixedly mounted on the front surface of the containing plate 7, the motor 8 is used for driving the first rotating shaft 9 and the second rotating shaft 10 to transmit through the adjustable visual acuity chart device 3, the movable belt 11 is made to rotate, and the visual charts on the front surface and the back surface of the movable belt 11 are switched, meanwhile, the visual charts on the front side and the back side can be combined, so that the position diversity of different indexes is ensured, the positions of the indexes on the visual charts detected at each time are different, the cheating behavior of memorizing the positions of the indexes through detection is avoided, and the real effectiveness of the detection work is ensured.

Specifically, one end of the movable rod 205, which is far away from the lifting rod 204, is rotatably connected with a movable wheel 206, and the movable wheel 206 is located inside the movable groove 207 and abuts against the inner wall of the movable groove 207.

In this embodiment, the movable wheel 206 is used to move along the movable groove 207 along with the movable rod 205, thereby improving the movement stability of the movable rod 205.

Specifically, two folding members 208 are fixedly connected to the top of the inner wall of the accommodating groove 202, and the folding members 208 are located right above the movable rod 205.

In the present embodiment, the rising of the movable lever 205 is buffered by the folding piece 208.

Specifically, the signal receiver 12 and the light sensor 14 are both in bidirectional electrical connection with the controller 13, and the output end of the controller 13 is electrically connected with the input end of the accommodating groove 202, the illuminating lamp 6 and the motor 8 respectively.

In this embodiment, the controller 13 is of the type AT89S51, and the light sensor 14 is of the type HN 3528.

The utility model discloses a theory of operation and use flow: when the visual chart is used, when the visual chart and the human eye height are different in height, the remote controller 5 is pressed down, the remote controller 5 emits infrared signals, the signal receiver 12 captures signals generated by the remote controller 5 and transmits the signals to the inside of the controller 13, the controller 13 starts the electric push rod 203, the electric push rod 203 drives the lifting rod 204 to perform lifting motion, and therefore the visual chart is driven to perform height adjustment, and the visual chart and the human eye height are enabled to be on the same horizontal plane; when the visual charts need to be arranged and combined, the remote controller 5 is pressed down, the remote controller 5 emits infrared signals, the signal receiver 12 captures signals generated by the remote controller 5 and transmits the signals to the inside of the controller 13, the controller 13 starts the motor 8, and the motor 8 drives the transmission mechanism formed by the first rotating shaft 9, the second rotating shaft 10 and the movable belt 11 to operate, so that the visual charts on the movable belt 11 are arranged while rotating, and the arrangement and combination of the visual charts are completed.

In summary, according to the labview-based infrared remote control automatic vision measuring device, by arranging the height adjusting device 2, the electric push rod 203 drives the lifting rod 204 to perform lifting motion, so that the height of the visual chart can be freely adjusted, the visual chart and the height of the eyes of the human body are positioned on the same plane, the visual angle difference between the index and the eyes is controlled, the accuracy of vision detection is improved, and the detection of the examiners with different heights can be accurately performed; through setting up adjustable visual acuity chart device 3, utilize motor 8 to drive first pivot 9 and second pivot 10 and carry out the transmission, make the activity area 11 rotate, make the visual acuity chart at the activity area 11 front and back switch, the visual acuity chart at front and back can make up simultaneously, thereby the position variety of different indexs has been guaranteed, make index position diverse on the visual acuity chart that detects at every turn, thereby the cheating action through the position of memory index has been avoided, the true validity of detection achievement has been guaranteed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides an infrared remote control eyesight automatic measuring device based on labview, is including placing the seat, its characterized in that: the upper surface of the placing seat is fixedly provided with a height adjusting device, the top end of the height adjusting device is fixedly provided with an adjustable visual chart device, the right side surface of the adjustable visual chart device is fixedly connected with a placing plate, and the inner side surface of the placing plate is provided with a remote controller;

2. The labview-based infrared remote vision automatic measuring device as claimed in claim 1, wherein: the one end that the lifter was kept away from to the movable rod rotates and is connected with the movable wheel, the movable wheel is located the inside in movable groove and contradicts with the inner wall in movable groove.

3. The labview-based infrared remote vision automatic measuring device as claimed in claim 1, wherein: the top fixedly connected with two folding pieces of holding inslot wall, the folding piece is located the movable rod directly over.

4. The labview-based infrared remote vision automatic measuring device as claimed in claim 1, wherein: and a lighting lamp is fixedly arranged at the top of the front surface of the adjustable visual chart device.

5. The labview-based infrared remote vision automatic measuring device as claimed in claim 1, wherein: visual charts are arranged on the front side and the back side of the movable belt.

6. The labview-based infrared remote vision automatic measuring device as claimed in claim 1, wherein: the signal receiver and the light sensor are both electrically connected with the controller in a two-way mode, and the output end of the controller is electrically connected with the input ends of the accommodating groove, the illuminating lamp and the motor respectively.