CN110032277B

CN110032277B - Eyeball tracking device and intelligent terminal

Info

Publication number: CN110032277B
Application number: CN201910188762.1A
Authority: CN
Inventors: 黄通兵; 孟驰骅
Original assignee: Beijing 7Invensun Technology Co Ltd
Current assignee: Beijing 7Invensun Technology Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2022-08-23
Anticipated expiration: 2039-03-13
Also published as: CN110032277A

Abstract

The invention belongs to the technical field of intelligent equipment, and particularly relates to an eyeball tracking device and an intelligent terminal. The eyeball tracking device comprises a shell which is of a hollow strip structure; the image acquisition module is arranged in the shell and used for acquiring images; the two light source assemblies are respectively arranged at two ends in the shell and used for illuminating eyes of a user and enabling the eyes of the user to form tracking light spots; the communication module is arranged on the shell and used for communicating with external equipment; the eye control plate is arranged inside the shell and is respectively and electrically connected with the image acquisition module, the light source assembly and the communication module. The intelligent terminal comprises a display main body and the eyeball tracking device, wherein the display main body is in communication connection with the eyeball tracking device through a communication module. The eyeball tracking device and the intelligent terminal disclosed by the invention have the advantages that the eyeball tracking device is convenient to carry and use, and diversified selections are provided for the display control of the intelligent terminal.

Description

Eyeball tracking device and intelligent terminal

Technical Field

The application relates to but not limited to the technical field of intelligent equipment, especially, relate to an eyeball tracking device and intelligent terminal.

Background

With the progress of science and technology, display equipment such as smart televisions, notebook computers and the like are continuously developed, the diversified use requirements of users are met, meanwhile, the lives of the users are greatly enriched, and the convenience of daily life and office work of the users is improved.

Conventional display devices generally require a user to operate the display device through a limb, such as touching a touch screen, operating a mouse or a key, and the like. However, for some special people who cannot move freely and control the display device by voice, the display device cannot be operated and controlled by the method, so the existing display device is not favorable for improving the life quality of the people.

Disclosure of Invention

The invention aims to provide an eyeball tracking device, which is used for providing diversified operation modes for the operation of an intelligent terminal and meeting the use requirements of special people on the intelligent terminal.

Another object of the present invention is to provide an intelligent terminal, so as to provide diversified operation modes of the intelligent terminal, and meet the use requirements of special people on the intelligent terminal.

In order to achieve the purpose, the invention adopts the following technical scheme:

an eye tracking device, comprising:

a housing having a hollow strip-shaped structure;

the image acquisition module is arranged in the shell and used for acquiring images;

the two light source assemblies are respectively arranged at two ends inside the shell and used for illuminating eyes of a user and enabling the eyes of the user to form tracking light spots;

the communication module is arranged on the shell and used for communicating with external equipment;

the eye control board is arranged inside the shell and is respectively electrically connected with the image acquisition module, the light source assembly and the communication module, and the eye control board controls the operation of the external equipment according to the information of the image and the communication module.

As an alternative to an eye tracking device, the housing is hollow cylindrical.

As an alternative to an eye tracking device, the housing comprises:

the main body part is provided with a containing cavity with two open ends, and the image acquisition module and the eye control plate are arranged in the containing cavity;

the lamp shade parts are respectively arranged at two ends of the main body part, each lamp shade part is internally provided with one light source component, and at least part of the lamp shade parts can enable light rays of the light source components to be transmitted out.

As an alternative to the eyeball-tracking apparatus, the main body portion is detachably connected to the lamp cover portion.

As an alternative to an eye tracking device, the outer surface of the housing is provided with a plurality of positioning planes, which are distributed along the circumference of the housing.

As an alternative to the eyeball-tracking apparatus, the two ends of the housing are provided with positioning portions in a protruding manner in the radial direction, and the positioning planes are provided on the positioning portions.

As an alternative to an eyeball tracking device, the positioning portion is a regular polygonal prism whose side faces form the positioning plane.

As an alternative to an eye-tracking device, the light source assembly comprises:

the lamp panel is connected with the shell and is electrically connected with the eye control panel;

the infrared light source, be provided with at least three infrared light source on the lamp plate.

As an alternative of the eyeball tracking device, the lamp panel is arranged along the axial direction of the shell in an inclined mode, and the lamp panel faces towards one end of the middle of the shell and is away from the axis of the shell, and the distance between the other end of the lamp panel and the axis of the shell is smaller than the distance between the other end of the lamp panel and the axis of the shell.

As an alternative of the eyeball tracking device, the middle of the shell is provided with a light through hole, and the image acquisition module is arranged opposite to the light through hole.

As an alternative to an eye tracking device, the eye tracking device further comprises: and the infrared filter is covered at the light through hole.

As an alternative to an eye tracking device, the eye tracking device further comprises: and the decorative piece is arranged outside the shell and surrounds the light through hole.

As an alternative to the eyeball-tracking apparatus, the inner wall of the housing is provided with a mounting portion on which the eye control panel is provided.

As an alternative scheme of eyeball tracer, the installation department is protruding to be located shells inner wall's installation boss, the installation boss is followed the length direction of casing sets up, just the installation boss orientation the one side in logical unthreaded hole forms the installation face of eye accuse board.

As an alternative of the eyeball tracking device, the number of the mounting bosses is two, the mounting surfaces of the two mounting bosses are located on the same plane, and two sides of the eyecontrol plate are respectively overlapped on the two mounting bosses.

As an alternative to an eye tracking device, the eye tracking device further comprises:

and the grounding piece is used for introducing the static electricity generated by the eyeball tracking device into the ground.

The intelligent terminal comprises a display main body and the eyeball tracking device, wherein the display main body is in communication connection with the eyeball tracking device through the communication module.

The invention has the beneficial effects that:

according to the eyeball tracking device provided by the invention, the hollow strip-shaped shell is arranged, the image acquisition module, the light source assembly and the eye control panel are arranged in the shell, and the two light source assemblies are respectively positioned at the two ends of the shell, so that the overall volume of the eyeball tracking device can be reduced, the eyeball tracking device is arranged in a slender manner, and the use and carrying of the eyeball tracking device are facilitated; meanwhile, the communication module is adopted to realize the connection of the eyeball tracking device and the external display equipment, so that the hardware improvement of the external display equipment can be reduced, and the improvement cost of the external display equipment is reduced while the eye control of the external display equipment is realized; moreover, through the cooperation of external display equipment and eyeball tracer, can realize the eye control operation to external display equipment, for providing more diversified mode of controlling of external display equipment, satisfy special crowd to external display equipment's user demand.

According to the intelligent terminal provided by the invention, by adopting the eyeball tracking device, diversified selections can be provided for the operation of the intelligent terminal, and the requirements of special groups on using the intelligent terminal are met; meanwhile, the improvement cost of the display main body in the intelligent terminal is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an eye tracking device according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a disassembled structure of an eye tracking device according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an eye tracking device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lamp shade portion according to an embodiment of the present invention.

The figures are labeled as follows:

1-a shell; 11-a body portion; 111-clear aperture; 112-a first mounting portion; 1121 — a first mounting surface; 113-a first mounting lug; 114-a first stop; 12-a lamp shade portion; 121-a second mounting portion; 1211 — a second mounting surface; 122-a third mounting portion; 123-a stop; 124-a second mounting lug; 13-a connecting part; 14-a positioning section; 141-a positioning plane; 15-closing plate; 151-USB interface;

2-a light source assembly; 21-a lamp panel; 22-an infrared light source;

3-an image acquisition module;

4-eye control plate;

5-a decorative piece;

6-a communication module; 61-a communication board; 62-USB terminal;

7-infrared filter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 is a schematic structural view of an eyeball tracking apparatus provided by an embodiment of the present invention, and fig. 2 is a schematic structural view of a disassembled eyeball tracking apparatus provided by an embodiment of the present invention, as shown in fig. 1 and fig. 2, the embodiment provides an eyeball tracking apparatus for providing an eyeball tracking function for an external display device, so as to implement control of the external display device by adopting eyeball tracking.

Specifically, the eyeball tracking device provided by the embodiment includes: a housing 1 having a hollow strip-shaped structure; the image acquisition module 3 is arranged inside the shell 1 and is used for acquiring images, particularly for acquiring eye image information of a user; the two light source assemblies 2 are respectively arranged at two ends inside the shell 1 and are used for illuminating eyes of a user and enabling the eyes of the user to form tracking light spots; the communication module 6 is arranged on the shell 1 and used for realizing communication between the eyeball tracking device and external display equipment; eye control plate 4, the setting is inside casing 1, and respectively with image acquisition module 3, light source subassembly 2 and communication module 6 electricity are connected, eye control plate 4 can be according to the image information of the user's eyes that image acquisition module 3 gathered, the visual direction of user's eyeball is known in the analysis, and through image acquisition module 3's real-time supervision, generate user's eyeball motion orbit, eye control plate 4 transmits user's eyeball motion orbit to external display equipment's controller through communication module 6, the realization is to external display equipment's display control.

According to the eyeball tracking device provided by the embodiment, the hollow strip-shaped shell 1 is arranged, the image acquisition module 3, the light source assembly 2 and the eye control panel 4 are arranged in the shell 1, and the two light source assemblies 2 are respectively positioned at the two ends of the shell 1, so that the overall volume of the eyeball tracking device can be reduced, the eyeball tracking device is arranged in a slender manner, and the use and carrying of the eyeball tracking device are facilitated; meanwhile, the communication module 6 is adopted to realize the connection of the eyeball tracking device and the external display equipment, so that the hardware improvement of the external display equipment can be reduced, and the improvement cost of the external display equipment is reduced while the eye control of the external display equipment is realized; furthermore, through the cooperation of external display equipment and eyeball tracer, can realize the eye accuse operation to external display equipment, for providing more diversified mode of controlling of external display equipment, satisfy special crowd to external display equipment's user demand.

In an alternative embodiment, the housing 1 is a hollow cylindrical structure, so that the appearance is elegant and the visual experience of the user is satisfied. In other embodiments, the cross section of the housing 1 may also be polygonal, elliptical, or other shapes.

In an alternative embodiment, the housing 1 includes a main body 11 and two lamp cover portions 12 disposed at two ends of the main body 11, the main body 11 has a receiving cavity with two open ends, the image capturing module 3 and the eye control panel 4 are located in the main body 11, and the two light source assemblies 2 are respectively located in the two lamp cover portions 12. Furthermore, the main body part 11 and the lampshade part 12 are detachably connected, and the arrangement mode can enable the image acquisition module 3, the eye control panel 4 and the light source assembly 2 to be respectively arranged, so that the reasonability of space utilization of the shell 1 is improved, and the processing of the shell 1 and the installation and the disassembly of the image acquisition module 3, the eye control panel 4 and the light source assembly 2 in the shell 1 are facilitated; meanwhile, the light source assembly 2 is located in the lampshade portion 12, the lampshade portion 12 and the main body portion 11 can be made of different materials, if the lampshade portion 12 is made of a material capable of transmitting infrared light, the main body portion 11 is made of a non-light-transmitting material, the variety of materials selected by the shell 1 is improved, the cost is reduced, and meanwhile the main body portion 11 and the lampshade portion 12 can be made of different materials to obtain a more attractive appearance. In other embodiments, the main body 11 may be integrally formed with the globe 12, and in this case, the material of the housing 1 needs to be selected in consideration of the light emitted from the light source unit 2 and the overall appearance of the eye tracker.

In an alternative embodiment, the image capturing module 3 is disposed on the eye control panel 4, and the image capturing module 3 is located at the middle position of the accommodating cavity of the main body portion 11 along the length direction thereof, which is beneficial to the reasonable layout of the space in the housing 1 and reduces the overall length of the eyeball tracking device.

In an optional embodiment, the main body 11 is provided with a light-passing hole 111 corresponding to the image capturing module 3, and the light-passing hole 111 penetrates through the inner and outer surfaces of the main body 11, so that light can be received by the image capturing module 3 through the main body 11, and the image capturing definition of the image capturing module 3 is improved. In other embodiments, the main body 11 may be provided with other light-transmitting portions for transmitting light to the image capturing module 3, for example, the main body 11 is made of transparent material at least corresponding to the image capturing module 3.

Fig. 3 is a cross-sectional view of the eye tracking apparatus according to the embodiment of the present invention, as shown in fig. 3, in an alternative embodiment, a first mounting portion 112 is disposed on an inner wall of the main body 11 for stably mounting the eye control plate 4 inside the main body 11. The first mounting portion 112 includes a mounting boss protruding from the inner wall of the main body portion 11, the mounting boss is disposed along the longitudinal direction of the housing 1, and a first mounting surface 1121 of the eye control plate 4 is formed on a surface of the mounting boss facing the light passing hole 111. By providing the first mounting surface 1121 on the inner wall of the housing 1, the mounting stability of the eye control panel 4 inside the housing 1 can be improved while the eye control panel 4 is mounted and positioned.

In an alternative embodiment, the length of the mounting boss is equal to the length of the main body 11, so that the eye control plate 4 can be pushed into the accommodating cavity from one end of the main body 11 along the mounting surface, and the mounting convenience of the eye control plate 4 is improved. In other embodiments, the length of the mounting boss may be shorter than the length of the main body portion 11.

In an optional embodiment, two mounting bosses are provided, the first mounting surfaces 1121 of the two mounting bosses are located on the same plane, and the plane is perpendicular to a longitudinal plane passing through the center of the light-passing hole 111, two sides of the eye control plate 4 are respectively overlapped on the mounting bosses, which is beneficial to enabling the optical axis of the image acquisition module 3 to coincide with the center of the light-passing hole 111 after the eye control plate 4 is mounted in place and the image acquisition module 3 is mounted on the eye control plate 4, and thus the accuracy of the mounting position of the image acquisition module 3 is improved. In other embodiments, only one mounting boss may be provided, and in this case, the mounting bosses are preferably provided at positions symmetrical with respect to the light passing hole 111.

In an alternative embodiment, the length of the chord line of the main body portion 11 where the first mounting surface 1121 of the mounting boss is located is substantially equal to the width of the eye control plate 4, so that the eye control plate 4 can be prevented from shifting left and right during the assembling process, the mounting stability and reliability of the eye control plate 4 can be improved, and the image acquisition stability of the image acquisition module 3 can be improved.

In an alternative embodiment, the inner wall of the main body 11 is further provided with a first limiting portion 114 for limiting the displacement of the image capturing module 3 during the mounting and dismounting processes. The first limiting part 114 is arranged between the light through hole 111 and the first mounting part 112, so that the position deviation of the eye control plate 4 and the image acquisition module 3 in the mounting process can be further limited, and the assembly positioning accuracy is improved.

In an optional implementation, the inner wall of the main body portion 11 is further provided with a second limiting portion for limiting the depth of the eye control plate 4 pushed into the accommodating cavity, so that the image capturing module 3 can be arranged right opposite to the light passing hole 111 after the eye control plate 4 is pushed into the accommodating cavity. The second limiting portion may be any structure capable of limiting the eye control plate 4 to continue to push along the length direction of the housing 1, such as a limiting boss. In another embodiment, the position of the eye control panel 4 in the accommodating cavity may be limited by the end surface of the lamp cover portion 12 facing the main body portion 11, that is, when the eye control panel 4 is installed in place, at least one end of the eye control panel 4 abuts against the end surface of the corresponding lamp cover portion 12.

In an optional implementation, the image capturing module 3 is a camera, the camera is fixed on the eye control panel 4 by a screw or the like, and an optical axis of the camera is perpendicular to the eye control panel 4, so that after the eye control panel 4 and the image capturing module 3 are installed in the accommodating cavity, the optical axis of the camera is opposite to the light passing hole 111.

Fig. 4 is a schematic structural diagram of the lamp cover portion 12 provided in the present embodiment, as shown in fig. 2 and 4, in an alternative implementation, the lamp cover portion 12 is screwed with the main body portion 11. Specifically, the end of the globe 12 facing the main body 11 is provided with a connecting portion 13 protruding in the axial direction thereof, the outer diameter of the connecting portion 13 is equal to the inner diameter of the main body 11, the outer diameter of the globe 12 is equal to the outer diameter of the main body 11, and the inner diameter of the globe 12 is equal to the inner diameter of the main body 11. With this arrangement, when the main body portion 11 is connected to the globe portion 12, the globe portion 12 and the outer surface of the main body portion 11 form a smooth cylindrical surface, thereby improving the appearance of the eyeball tracking apparatus; meanwhile, the connecting part 13 can be inserted into the main body part 11, the outer surface of the connecting part 13 is connected with the inner surface of the main body part 11, and the step surface between the connecting part 13 and the lampshade part 12 is abutted against the end surface of the main body part 11, which is beneficial to providing positioning for the connection between the main body part 11 and the lampshade part 12 and ensuring the connection stability and reliability.

In an alternative embodiment, the inner portion of the lamp cover portion 12 is protruded with a second mounting lug 124, the second mounting lug 124 is disposed along the axial direction of the lamp cover portion 12, and two second mounting lugs 124 are disposed on two sides of the lamp cover portion 12 respectively. The main body 11 is provided with first mounting lugs 113 at positions corresponding to the two second mounting lugs 124, the second mounting lugs 124 are provided with connecting holes, the first mounting lugs 113 are provided with threaded holes, and the threaded holes and the connecting holes are matched with a threaded connector in size, so that the second mounting lugs 124 and the first mounting lugs 113 can be connected through the threaded connector. In other embodiments, the lampshade portion 12 and the main body portion 11 may be connected by other screw connections. In another embodiment, the lampshade portion 12 and the main body portion 11 can be detachably connected by a snap connection or the like.

In an alternative embodiment, the light source assembly 2 includes a lamp panel 21 and a plurality of infrared light sources 22 disposed on the lamp panel 21. The lamp panel 21 is electrically connected to the eye control panel 4, and the electrical connection manner of the lamp panel 21 and the eye control panel 4 is a conventional technical means in the art, and is not described in detail in this embodiment. The number of the infrared light sources 22 is at least three, and the three infrared light sources 22 are distributed in a triangular manner, so that at least three tracking light spots can be formed on each eyeball of a user, and the accuracy of an eyeball tracking algorithm is ensured. The connection and arrangement of the infrared light source 22 on the lamp panel 21 belong to the conventional technical means in the field, and this embodiment is not described in detail.

In an alternative embodiment, in order to mount the light source assembly 2 in the lampshade portion 12, a second mounting portion 121 for mounting the lamp panel 21 is disposed in the lampshade portion 12, the second mounting portion 121 is formed with a second mounting surface 1211, and a surface of the lamp panel 21 away from the infrared light source 22 is supported on the second mounting surface 1211.

In an alternative embodiment, two second mounting portions 121 are symmetrically arranged on the inner opposite middle longitudinal surfaces of the lampshade portion 12, the two second mounting portions 121 are located on the outer sides of the second mounting lugs 124, and two sides of the lamp panel 21 are respectively mounted on the two second mounting portions 121. In other embodiments, one second mounting portion 121 may be provided, and the second mounting portion 121 is located between two second mounting lugs 124.

In an alternative embodiment, the second mounting portion 121 is a plate-shaped structure, two second mounting portions 121 are arranged in parallel, one surface of the second mounting portion 121 is connected to the second mounting lug 124, one end of the second mounting portion 121 in the width direction abuts against the inner wall of the lampshade portion 12, and the other end of the second mounting portion 121 in the width direction forms a second mounting surface 1211. This arrangement is advantageous in saving the installation space of the second mounting portion 121 in the globe portion 12, and improves the compactness of the eyeball tracking apparatus.

In an optional embodiment, the second mounting surface 1211 is inclined relative to the middle longitudinal plane perpendicular to the two second mounting portions 121, so that the lamp panel 21 is inclined along the axial direction of the housing 1, and the distance from one end of the lamp panel 21 facing the middle of the housing 1 to the axis of the housing 1 is smaller than the distance from the other end of the lamp panel 21 to the axis of the housing 1, so that the infrared light sources 22 at the two ends of the housing 1 can converge in a far direction, which is beneficial to enabling the infrared light sources 22 to better face the eyeballs of the user. Further, the included angle between the second mounting surfaces 1211 and the middle longitudinal surfaces perpendicular to the two second mounting portions 121 is 5-20 °.

In an optional implementation, a stopping portion 123 is disposed at an end of the lampshade portion 12 away from the main body portion 11, and the stopping portion 123 abuts against an end of the second mounting portion 121 away from the main body portion 11, so that the stopping portion 123 positions and limits a mounting position of the lamp panel 21 in the lampshade portion 12 in a mounting process of the lamp panel 21.

In an alternative embodiment, the cover portion 12 is made of an infrared transparent material, such as PC, acrylic, etc. In other embodiments, the cover portion 12 may be made of other non-light-transmissive materials, but the cover portion 12 is provided with a light-transmissive portion that can transmit light at a position corresponding to the infrared light source 22.

In an alternative embodiment, the end of the lampshade portion 12 away from the main body portion 11 is connected with a sealing plate 15 to seal the two ends of the housing 1, so as to prevent dust or other foreign matters from entering the interior of the housing 1. The closing plate 15 and the lampshade portion 12 can be connected in a detachable and washable manner by means of screw connection, clamping connection or bonding.

In an alternative embodiment, the communication module 6 employs a USB interface including a communication board 61 and USB terminals 62. The eyeball tracer and the external display equipment are communicated and transmitted through the USB data line, information transmission is timely, and the external interference is small. In other implementations, the communication module 6 may also be a wireless communication module, and how the eyeball tracking apparatus is connected to the external display device through the wireless communication module is a conventional technical means in the art, and this embodiment is not described again.

In an alternative embodiment, one of the cover plates 15 has a USB port 151, the USB terminal 62 is disposed corresponding to the USB port 151, the USB terminal 62 is connected to the communication board 61, the USB terminal 62 and the communication board 61 are disposed inside the lampshade portion 12, and the communication board 61 is electrically connected to the eye control panel 4. In the present invention, the connection between the communication board 61 and the eye control board 4, the structure of the USB terminal 62, and the arrangement of the USB terminal 62 on the communication board 61 are conventional technical means in the art, and the description of this embodiment is omitted.

In order to provide the communication board 61 in the cover portion 12, a third mounting portion 122 is provided in the cover portion 12. In an alternative implementation, the third mounting portion 122 is a mounting groove opened on the second mounting portion 121, and two sides of the communication board 61 are respectively inserted into the mounting groove, so as to mount the communication board 61. Preferably, the groove width of the mounting groove is equal to the thickness of the communication sheet 61, so that both surfaces of the communication sheet 61 are in contact with the opposite groove walls of the mounting groove, respectively, thereby improving the mounting stability of the communication sheet 61. One end of the mounting groove remote from the main body portion 11 is opened so that the communication board 61 can be inserted into the mounting groove from the opening, improving mounting convenience.

When the housing 1 is cylindrical, the eyeball tracking accuracy is reduced in order to prevent the eyeball tracking device from rolling randomly during use. In an alternative embodiment, the outer surface of the casing 1 is provided with a plurality of positioning planes 141, and the plurality of positioning planes 141 are arranged at intervals along the circumferential direction of the casing 1. Through setting up locating plane 141, when eyeball tracking device adopted locating plane 141 and external contact, eyeball tracking device is fixed in the position of circumference, can not take place random rotation, and image acquisition module 3 and light source subassembly 2's orientation are fixed promptly, have improved eyeball tracking device's stability and tracking accuracy.

In an alternative embodiment, one end of the cover portion 12 away from the main body portion 11 is provided with a positioning portion 14 in a protruding manner along a radial direction thereof, and the positioning portion 14 is arranged around a circumferential outer surface of the cover portion 12. The positioning portion 14 is provided with a plurality of the above-described positioning planes 141 along its circumferential direction. By providing the positioning part 14 at the end of the housing 1 and providing the positioning plane 141 on the positioning part 14, the processing is simplified, and the appearance of the eyeball tracking apparatus is improved. In other embodiments, the positioning plane 141 may be opened on the main body portion 11.

In an alternative embodiment, the positioning portion 14 has a hollow regular polygonal prism structure, and the side of the regular polygonal prism forms the positioning plane 141. By configuring the positioning portion 14 as a regular polygonal prism, the included angle between two adjacent positioning planes 141 can be better controlled, and the use position of the eyeball tracking device can be better controlled.

In an alternative embodiment, the cross section of the positioning portion 14 is a regular nonagon, that is, nine positioning planes 141 are provided on the positioning portion 14. In other embodiments, the number of the positioning planes 141 on the positioning portion 14 may be set by itself according to requirements.

Because the light source assembly 2 adopts the infrared light source 22, in order to improve the image acquisition definition of the image acquisition module 3, in an optional embodiment, the eyeball tracking device further includes an infrared filter 7, and the infrared filter 7 covers the light through hole 111, and performs filtering processing on the light passing through the light through hole 111.

In order to improve the aesthetic property of the eyeball tracking membrane device, the casing 1 is further provided with a decoration piece 5, and the decoration piece 5 is arranged around the light through hole 111. The decoration 5 may be any shape such as diamond, circle, ellipse, etc. with through holes, and the color, material, etc. may be selected according to the user's preference, such as mirror, sticker, etc. The present embodiment does not limit the selection of the garnish 5.

In an alternative embodiment, the ornamental piece 5 is snap-fit connected to the body portion 11. Specifically, one side of the decoration 5 is provided with at least two hooks, the main body portion 11 is provided with a clamping groove, and the hooks are inserted into the clamping groove and clamped with the clamping groove, so that the appearance is better. In other embodiments, the garnish 5 may be connected to the main body 11 by an adhesive or the like.

In an alternative embodiment, the eye tracking device further comprises a grounding member for introducing static electricity generated by the eye tracking device to the ground. Further, the grounding piece can be a grounding elastic sheet, and is led out from the sealing plates 15 at the two ends of the shell 1 for grounding treatment, so that the use safety of the eyeball tracking device is improved.

The embodiment of the invention also provides an intelligent terminal which comprises a display main body and the eyeball tracking device, wherein the display main body is in communication connection with the eyeball tracking device through the communication module 6. The display main body can be a notebook computer, a tablet computer, a smart phone, a smart television and the like.

It is to be noted that the foregoing description is only exemplary of the invention and that the principles of the technology may be employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An eye tracking device, comprising:

a housing (1) having a hollow strip-like structure with a fixed length;

the image acquisition module (3) is arranged inside the shell (1) and is used for acquiring images;

the two light source assemblies (2) are respectively arranged at two ends inside the shell (1) and are used for illuminating the eyes of a user and enabling the eyes of the user to form tracking light spots;

a communication module (6) arranged on the housing (1) for communicating with an external device;

the eye control panel (4) is arranged inside the shell (1) and is respectively electrically connected with the image acquisition module (3), the light source assembly (2) and the communication module (6), and the eye control panel (4) controls the operation of the external equipment according to the information of the image and the communication module (6).

2. The eye tracking device according to claim 1, wherein the housing (1) is hollow cylindrical.

3. The eye tracking device according to claim 1, wherein the housing (1) comprises:

the main body part (11) is provided with a containing cavity with two open ends, and the image acquisition module (3) and the eye control panel (4) are arranged in the containing cavity;

the lamp shade parts (12), two lamp shade parts (12) set up respectively the both ends of main part (11), and every lamp shade part (12) are interior all to be provided with one light source subassembly (2), lamp shade part (12) at least part can make the light of light source subassembly (2) see through.

4. The eye tracking device according to claim 3, wherein the main body portion (11) is detachably connected to the housing portion (12).

5. The eye tracking device according to claim 1, wherein the outer surface of the housing (1) is provided with a plurality of positioning planes (141), the plurality of positioning planes (141) being distributed along the circumference of the housing (1).

6. The eyeball tracking apparatus according to claim 5, characterized in that both ends of the housing (1) are provided with positioning portions (14) in a protruding manner in the radial direction, and the positioning flat surfaces (141) are provided on the positioning portions (14).

7. The eyeball tracking device according to claim 6, characterized in that the positioning portion (14) is a regular polygonal prism, and the side faces of the regular polygonal prism form the positioning plane (141).

8. The eye tracking device according to claim 1, wherein the light source assembly (2) comprises:

the lamp panel (21) is connected with the shell (1), and the lamp panel (21) is electrically connected with the eye control panel (4);

infrared light source (22), be provided with at least three infrared light source (22) on lamp plate (21).

9. The eyeball tracking device as claimed in claim 8, wherein the lamp panel (21) is obliquely arranged along the axial direction of the casing (1), and the distance from one end of the lamp panel (21) towards the middle of the casing (1) to the axis of the casing (1) is smaller than the distance from the other end of the lamp panel (21) to the axis of the casing (1).

10. The eyeball tracking device according to claim 1, wherein a light through hole (111) is formed in the middle of the housing (1), and the image acquisition module (3) is arranged opposite to the light through hole (111).

11. The eye tracking device of claim 10, further comprising: and the infrared filter (7) is covered at the light through hole (111).

12. The eye tracking device of claim 10, further comprising: and the decorative piece (5) is arranged outside the shell (1) and surrounds the light through hole (111).

13. The eye tracking device according to claim 10, wherein the housing (1) is provided with a mounting portion on an inner wall thereof, the eye control panel (4) being provided on the mounting portion.

14. The eyeball tracking device as claimed in claim 13, wherein the mounting portion is a mounting boss which is protruded from the inner wall of the housing (1), the mounting boss is arranged along the length direction of the housing (1), and one surface of the mounting boss facing the light passing hole (111) forms a mounting surface of the eye control plate (4).

15. The eye tracking device according to claim 14, wherein there are two mounting bosses, the mounting surfaces of the two mounting bosses are located on the same plane, and two sides of the eye control plate (4) are respectively disposed on the two mounting bosses.

16. The eye tracking device according to claim 1, further comprising:

17. An intelligent terminal comprising a display body, characterized in that it further comprises an eye tracking device according to any one of claims 1-16, said display body being communicatively connected to said eye tracking device via said communication module (6).