CN215535591U - Infrared video eyeshade capable of adjusting object distance - Google Patents
Infrared video eyeshade capable of adjusting object distance Download PDFInfo
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- CN215535591U CN215535591U CN202120146705.XU CN202120146705U CN215535591U CN 215535591 U CN215535591 U CN 215535591U CN 202120146705 U CN202120146705 U CN 202120146705U CN 215535591 U CN215535591 U CN 215535591U
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Abstract
The utility model discloses an infrared video eyeshade capable of adjusting object distance, which comprises a shell, an infrared sensitive camera, a spring, an adjusting screw cover, an adjusting screw, a cylindrical cavity, a connecting cable and an infrared lighting device, wherein the cylindrical cavity is arranged in front of eyes on one side or two sides in the shell, the infrared sensitive camera is placed in the cylindrical cavity, the adjusting screw cover is fixed at one end, close to the outer side of the shell, of the cylindrical cavity, the adjusting screw cover is fixed with the front end face of the shell, the adjusting screw cover is connected with the adjusting screw through threads, the nut end of the adjusting screw is located on the outer side of the shell, the front end of the adjusting screw props against the center of the bottom of the infrared sensitive camera, and the spring is placed on the outer side of the front end of the infrared sensitive camera. According to the utility model, the camera is placed in the cylindrical cavity for the forward and backward movement of the camera, and the camera can move forwards or backwards by rotating the adjusting screw, so that the object distance of the camera can be adjusted within a certain range.
Description
Technical Field
The utility model relates to the technical field of infrared video eyepatches, in particular to an infrared video eyepatch capable of adjusting object distance.
Background
The human vestibular organ responds to the stimulus and is manifested by the movement of the eyeball, a mechanism known as the vestibulo-ocular reflex (VOR). Because visible light can cause the influence to the motion of human eyeball, when the vestibular function of human body is examined, the examinee is required to wear the eyeshade equipped with the infrared camera, the eyeshade is internally provided with the infrared lighting device and is equipped with the infrared sensitive camera. The camera shoots eye video of the subject, the eye video is output to a display or a computer for an operator to watch and analyze, and the operator judges the vestibular function of the subject according to the characteristics of eyeball motion, so that a doctor is helped to diagnose. This technique has been widely used in clinical vestibular function examination, vertigo and balance disorder related diseases.
In order to ensure that the eyeshade is convenient to wear and fix, and meanwhile, a user feels comfortable, and the influence of external visible light entering on eyeball movement and shooting quality is avoided, the shell and parts of the eyeshade are required to be light in weight and small in size. The distance between the camera and the eyeball is generally less than 50mm, a miniature camera is adopted, and the depth of field of the camera is small. Because the face of a person is different, the same eyeshade is worn on people with different face shapes, and the distance between the camera and the eyeballs is different, so that the quality of the shot video is different.
The object distance and the image distance of the camera of the existing video eyeshade can not be adjusted, so that the defect that the shooting quality is influenced due to the fact that the object distance of the camera is different due to the difference of the facial shapes when the video eyeshade is used for users with different facial shapes exists. The product of individual brand is connected the camera lens of camera and outside knob through gear, connecting rod and can reach the purpose that the adjustment camera looks like the distance and adjust the quality of shooing, but it more is fit for the application occasion that the object distance changes greatly, slightly twists and moves the image distance change greatly, is difficult for adjusting suitable looks distance, and the structure is complicated easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an infrared video eyeshade capable of adjusting object distance, which has the advantages of simple structure and easiness in operation and solves the problem of poor shooting quality of a camera caused by face difference.
In order to achieve the purpose, the utility model provides the following technical scheme: an infrared video eyeshade capable of adjusting object distance comprises a shell, an infrared sensitive camera, a spring, an adjusting screw cover, an adjusting screw, a cylindrical cavity, a connecting cable and an infrared lighting device, wherein the cylindrical cavity is arranged in front of human eyes on one side or two sides in the shell, the infrared sensitive camera is placed in the cylindrical cavity, the adjusting screw cover is fixed at one end of the cylindrical cavity close to the outer side of the shell, the adjusting screw cover is fixed with the front end face of the shell, the adjusting screw cover is in threaded connection with the adjusting screw, the nut end of the adjusting screw is positioned on the outer side of the shell, the front end of the adjusting screw is propped at the central position of the bottom of the infrared sensitive camera, the spring is placed on the outer side of the front end of the infrared sensitive camera, the spring is placed on one side of the cylindrical cavity close to the inner side of the shell, and the infrared lighting device is placed in the shell, the shooting direction of the infrared sensitive camera faces towards human eyes.
Preferably, the shooting direction of the infrared sensitive camera faces to the human eye direction inside the shell.
Preferably, two strap fixing devices are arranged on two sides of the shell, and a strap can be fixed on the strap fixing devices.
Preferably, a connecting cable is fixed at a position, close to the front end, of one side of the shell, and one end, located inside the shell, of the connecting cable is connected with the infrared sensitive camera and the infrared lighting device.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the camera is placed in the cylindrical cavity capable of moving back and forth, the clockwise knob adjusting screw can enable the camera to extrude the spring to move forward, and the spring can push the camera to move backward when the counterclockwise knob adjusting screw is used, so that the object distance of the camera can be adjusted within a certain range, and the problem of poor shooting quality of the camera caused by face difference is solved; the device has the advantages of simple structure and easy operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a perspective view of the present invention.
In the figure: 1. a housing; 2. an infrared illumination device; 3. an infrared-sensitive camera; 4. a spring; 5. adjusting the screw cover; 6. an adjusting screw; 7. connecting a cable; 8. a cylindrical cavity; 9. a bandage fixing device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides an infrared video eyeshade with adjustable object distance, which comprises: the utility model provides an infrared video eye-shade that can adjust object distance, which comprises a housin 1, infrared sensitive camera 2, infrared lighting device 3, spring 4, adjusting screw lid 5, adjusting screw 6, cylindricality cavity 8, the inside certain side of casing 1 or both sides people's eye the place ahead position is equipped with cylindricality cavity 8, infrared sensitive camera 3 has been placed to the inside of cylindricality cavity 8, the shooting direction of infrared sensitive camera 3 is towards the inboard people's eye direction of casing 1, the one end that cylindricality cavity 8 is close to the casing 1 outside is fixed with adjusting screw lid 5, adjusting screw lid 5 is in the same place with the preceding terminal surface of casing 1 is fixed.
Adjusting screw lid 5 and adjusting screw 6 threaded connection, the nut end of adjusting screw 6 is located the outside of casing 1, adjusting screw 6's front end top is in the bottom central point of infrared sensitive camera 3 puts, spring 4 has been placed in the front end outside of infrared sensitive camera 3, spring 4 places in the one side that cylindrical cavity 8 is close to casing 1 inside, place infrared sensitive camera 3 in the cylindrical cavity 8 that can supply the back-and-forth movement, can make infrared sensitive camera 3 extrusion spring 4 forward movement through clockwise knob adjusting screw 6, and spring 4 can promote infrared sensitive camera 3 and pass backward when anticlockwise knob adjusting screw 6, thereby realize camera object distance in the certain limit and adjust.
The inside of casing 1 is equipped with infrared lighting device 2, and the shooting direction of infrared sensitive camera 3 is towards the inside people's eye direction of casing 1, and the both sides of casing 1 are equipped with two bandage fixing device 9, can fix the bandage on the bandage fixing device 9, and the outside of casing 1 is fixed with connecting cable 7, and connecting cable 7 is located the inside one end of casing 1 and is connected with infrared sensitive camera 3 and infrared lighting device 2. The device has simple structure and easy operation; the difference of the distance between the camera and the eyeball caused by different face shapes is small, and the difference can be completely corrected by the forward and backward movement of the camera in the cavity.
The working principle is as follows: the infrared sensitive camera 3 is arranged in a cylindrical cavity 8 which can be moved back and forth, the bottom end of the infrared sensitive camera is propped against by an adjusting screw 6, the lens end is propped against by a spring 4, one end of the bottom adjusting screw 6 is exposed outside the eye patch, the adjusting screw 6 is rotated clockwise, the pressing spring 4 of the infrared sensitive camera 3 moves towards the direction close to the eyeball, the adjusting screw 6 is rotated anticlockwise, the spring 4 pushes the infrared sensitive camera 3 towards the direction far away from the eyeball, the position of the infrared sensitive camera 3 is adjusted by rotating the adjusting screw 6, and therefore the purpose of adjusting the object distance is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a can adjust infrared video eye-shade of object distance, includes casing (1), infrared sensitive camera (3), spring (4), adjusting screw lid (5), adjusting screw (6), cylindricality cavity (8), infrared lighting device (2), its characterized in that: a cylindrical cavity (8) is arranged in front of human eyes on one side or two sides inside the shell (1), an infrared sensitive camera (3) is placed inside the cylindrical cavity (8), an adjusting screw cover (5) is fixed at one end, close to the outer side of the shell (1), of the cylindrical cavity (8), the adjusting screw cover (5) is fixed with the front end face of the shell (1), the adjusting screw cover (5) is in threaded connection with an adjusting screw (6), the nut end of the adjusting screw (6) is positioned on the outer side of the shell (1), the front end of the adjusting screw (6) is propped against the center of the bottom of the infrared sensitive camera (3), a spring (4) is placed on the outer side of the front end of the infrared sensitive camera (3), the spring (4) is placed on one side, close to the inner side of the shell (1), of the shell (1) is provided with an infrared lighting device, the shooting direction of the infrared sensitive camera (3) faces to human eyes.
2. The infrared video eyewear of claim 1 wherein said object distance is adjustable by: the shooting direction of the infrared sensitive camera (3) faces the human eye direction on the inner side of the shell (1).
3. The infrared video eyewear of claim 1 wherein said object distance is adjustable by: and the two sides of the shell (1) are provided with bandage fixing devices (9), and the bandage can be fixed on the bandage fixing devices (9).
4. The infrared video eyewear of claim 1 wherein said object distance is adjustable by: one side of the shell (1) is fixed with a connecting cable (7), and one end of the connecting cable (7) positioned inside the shell (1) is connected with the infrared sensitive camera (3) and the infrared lighting device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120146705.XU CN215535591U (en) | 2021-01-20 | 2021-01-20 | Infrared video eyeshade capable of adjusting object distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120146705.XU CN215535591U (en) | 2021-01-20 | 2021-01-20 | Infrared video eyeshade capable of adjusting object distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215535591U true CN215535591U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120146705.XU Active CN215535591U (en) | 2021-01-20 | 2021-01-20 | Infrared video eyeshade capable of adjusting object distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215535591U (en) |
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2021
- 2021-01-20 CN CN202120146705.XU patent/CN215535591U/en active Active
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