CN215416684U

CN215416684U - But iris recognition device and iris floodgate machine of automatically regulated

Info

Publication number: CN215416684U
Application number: CN202120639581.9U
Authority: CN
Inventors: 梁立伟; 张永胜; 吴君健; 张强; 黄晓红; 梁冰; 许明秋; 王榜金
Original assignee: Shenzhen Huahongzhigu Technology Co ltd; International Security Technology Ltd IST; IST International Security Technology Shenzhen Ltd; Shenzhen Huazhenglian Industrial Co Ltd
Current assignee: Shenzhen Huahongzhigu Technology Co ltd; International Security Technology Ltd IST; IST International Security Technology Shenzhen Ltd; Shenzhen Huazhenglian Industrial Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2022-01-04
Anticipated expiration: 2031-03-26

Abstract

The utility model provides an iris recognition device and an iris gate machine capable of being automatically adjusted, which comprise an adjusting mechanism and iris recognition equipment; the adjusting mechanism comprises an upper adjusting component and a lower adjusting component, the upper adjusting component and the lower adjusting component comprise a driving motor, a transmission part and a moving part, two ends of the moving part are respectively connected with the transmission part and the iris recognition equipment, the driving motor drives the transmission part to move, and the transmission part drives the moving part to move. The up-and-down adjusting component is used for adjusting the height of the iris recognition device to adapt to the height of a user, and the adjusting structure further comprises a left-and-right adjusting component used for aligning the eyes of the user more accurately. The iris recognition device further comprises a distance measurement sensor and a 3D structured light module, wherein the distance measurement sensor is used for acquiring the distance of a user and positioning the face position, and the adjusting mechanism adjusts the iris recognition equipment according to the acquired position of the user. The iris gate using the iris recognition device can acquire the iris image of the user more quickly and accurately, improves the use efficiency and enlarges the application range.

Description

But iris recognition device and iris floodgate machine of automatically regulated

Technical Field

The utility model belongs to the technical field of iris recognition, and particularly relates to an iris recognition device capable of being automatically adjusted and an iris gate.

Background

The human eye structure is composed of parts such as sclera, iris, pupil, crystalline lens, retina, etc. The iris is an annular segment between the black pupil and the white sclera containing many details characteristic of interlaced spots, filaments, coronaries, stripes, crypts, etc. And the iris will remain unchanged throughout life span after it is formed during the fetal development stage. These features determine the uniqueness of the iris features and also the uniqueness of the identification. Therefore, the iris feature of the eye can be used as an identification target for each person.

Therefore, iris recognition is applied to the field of identity recognition in a large scale at present, but in many application scenes, clear iris images cannot be obtained due to the difference of factors such as the height of a user, and the iris recognition needs to obtain the clear iris images, so that the user needs to adjust the position of the iris recognition device according to the installation position of the iris recognition device to meet the acquisition requirements. The prior iris acquisition mode needs high cooperation of users to finish one iris acquisition, consumes long time, is inconvenient to operate and has low efficiency, and especially when a large number of users to acquire iris images exist in an application scene, the requirement of application cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an iris recognition device and an iris gate machine capable of automatic adjustment to overcome the above-mentioned drawbacks of the prior art.

Specifically, the iris recognition device capable of automatic adjustment comprises an adjusting mechanism and an iris recognition device; the adjusting mechanism comprises an upper adjusting component and a lower adjusting component, the upper adjusting component and the lower adjusting component comprise driving motors, transmission parts and moving parts, the driving motors are connected with one ends of the transmission parts, two ends of the moving parts are respectively connected with the transmission parts and the iris recognition equipment, the driving motors are used for driving the transmission parts to move, and the transmission parts are used for driving the moving parts to move; the iris identification equipment comprises a shell, and an image acquisition module, a light supplement device and a circuit board which are arranged in the shell and connected with each other, wherein the image acquisition module is connected with the light supplement device through the circuit board.

Optionally, the driving member may be a screw rod, the moving member is a first slider, the driving motor is a first motor, the first slider is sleeved outside the screw rod, the first motor drives the screw rod to rotate, and the outer side of the screw rod and the inner side of the first slider are correspondingly provided with threads. Or, the upper and lower adjusting part still includes the bracing piece, the driving medium is the conveyer belt, the moving member is the second slider, the second slider cover is established outside the bracing piece, the conveyer belt with it is provided with the insection to correspond on the second slider, the conveyer belt with the meshing of second slider mutually, driving motor drive the conveyer belt removes.

Furthermore, adjustment mechanism still includes controls the adjusting part, it includes the mount pad and sets up to control the adjusting part second motor on the mount pad, the mount pad is connected the moving member, the output of second motor is provided with the gear, be provided with the rack on the casing back, the gear with rack toothing. The iris recognition device can adapt to the position of the user by adjusting the position of the equipment to enable the iris recognition equipment to be aligned with the eyes of the user, so that the iris recognition device is convenient to accurately acquire the iris image and improves the recognition efficiency.

Preferably, still include range sensor and 3D structure optical module, range sensor with 3D structure optical module connects the circuit board. The distance measuring sensor is used for obtaining the distance of a user, the 3D structured light module is used for positioning the position of a human face, and the iris recognition equipment carries out accurate position adjustment according to the distance measuring sensor and the information obtained by the 3D structured light module.

Preferably, the image acquisition module comprises a visible light camera and two infrared cameras, and the infrared cameras are symmetrically distributed on two sides of the visible light camera. Two infrared camera can acquire user's binocular iris image better. The light filling device comprises two groups of white light filling lamps and two groups of infrared filling lamps, and a group of white light filling lamps and a group of infrared filling lamps are distributed on two sides of the image acquisition module. And the mode of arranging the light supplementing light source on the left and right sides is used for more comprehensive light supplementing.

In some embodiments, the iris recognition apparatus further includes a prompter, which is disposed outside the iris recognition device and connected to the iris recognition device. The prompter is used for displaying the iris recognition result obtained by the iris recognition device. Optionally, the reminder includes a display screen, a speaker, an indicator strip, and the like.

The utility model also provides an iris gate machine which comprises the iris recognition device.

Preferably, the iris gate further comprises a sensor for identifying height data of the user, and the sensor is connected with the iris identification device. When a user approaches the iris gate, the sensor measures height data of the user and then sends the height data to the iris recognition device, the iris recognition device adjusts the height to the corresponding height in advance according to received information, and when the user enters the iris detection range, further face positioning and focusing are carried out to obtain an iris image of the user.

In summary, the iris recognition device capable of automatic adjustment of the present invention adjusts the position of the iris recognition device to adapt to the user by detecting the position of the user, so as to acquire the iris image of the user more quickly and accurately, thereby improving the efficiency and the application range. The iris identification gate disclosed by the utility model can adjust the position of the iris identification device in advance according to the height of a user, then further iris acquisition and identification operations are carried out, and the iris identification gate can adapt to the user and is convenient for the user to operate. The device is suitable for the situation that a user with different heights passes through can be conveniently used, the application range is enlarged, the iris image of the user can be acquired more quickly, and the use efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of an iris recognition apparatus according to the present invention;

fig. 2 is an exploded view of an iris recognition apparatus of the present invention;

FIG. 3 is a schematic view of a partial structure of an iris recognition apparatus according to the present invention;

fig. 4 is a schematic view of another angle of a partial structure of the iris recognition apparatus shown in fig. 3.

Reference numerals:

1-a housing; 21-screw rod; 22-a first slider; 23-a first motor; 30-a mounting seat; 31-a second motor; 32-gear; 33-a connecting portion; 4-an iris recognition device; 40-a housing; 411-visible cameras; 412-an infrared camera; 421-white light supplement lamp; 422-infrared light supplement lamp; 43-a circuit board; 5-a distance measuring sensor; 6-3D structured light modules; 7-prompting 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.

Example 1

The embodiment provides an iris recognition device capable of being automatically adjusted, the position of an iris module is adjusted through an adjusting mechanism according to the height and the position of a user, and therefore the iris recognition device can adapt to the user to extract and recognize the iris.

Referring to fig. 1 of the specification, an overall structure of the iris recognition apparatus of this embodiment is schematically shown. The iris recognition apparatus includes a housing 1, an adjustment mechanism, and an iris recognition device 4. Specifically, an opening is formed in the shell 1 for the adjusting mechanism to pass through, the adjusting mechanism comprises an upper adjusting component, a lower adjusting component and a left adjusting component, the upper adjusting component and the lower adjusting component are arranged in the shell 1, and the left adjusting component and the right adjusting component are connected with the upper adjusting component, the lower adjusting component and the iris recognition equipment 4.

The upper and lower adjusting component comprises a transmission part, a moving part and a driving motor, the driving motor is arranged at one end of the transmission part, the moving part is connected with the transmission part, the driving motor is used for driving the transmission part to move, and the transmission part is used for driving the moving part to move. Specifically, referring to fig. 2 and 3, the up-down adjusting assembly includes a screw 21, a first slider 22, and a first motor 23, the transmission member is the screw 21, and the moving member is the first slider 22. The screw 21 is fixed inside the shell 1, the first slider 22 is sleeved outside the screw 21, threads are correspondingly arranged on the inner side of the first slider 22 and the outer side of the screw 21, one end of the screw 21 is connected with a first motor 23 in a transmission manner, the screw 21 is driven by the first motor 23 to rotate, and the first slider 22 is driven to move on the threads on the screw 21 to realize the up-and-down adjustment of the position of the iris recognition device 4. Optionally, adjust the subassembly from top to bottom and also can be the conveyer belt structure, specifically include bracing piece, second slider, conveyer belt and driving motor, the driving medium is the conveyer belt, and the moving member is the second slider. The second slider is established outside the bracing piece, both ends are connected conveyer belt and iris identification equipment respectively, and second slider and conveyer belt are last to correspond to be provided with engaged with insection, and driving motor sets up the one end at the bracing piece, and the conveyer belt moves under driving motor's drive to drive the second slider and remove, thereby realize reciprocating of iris identification equipment 4.

Further, the adjusting mechanism further comprises a left-right adjusting assembly, the left-right adjusting assembly comprises an installation seat 30 and a second motor 31 arranged on the installation seat 30, the installation seat 30 is connected with the first sliding block 22, a gear 32 is arranged at the output end of the second motor 31, a connecting portion 33 with a rack is arranged on the back face of the shell 40 of the iris recognition device 4, the gear 32 is meshed with the rack, the gear 32 is driven by the second motor 31 to rotate, and the left-right movement of the iris recognition device 4 is achieved based on the meshing driving of the gear 32 and the rack.

Referring to fig. 4 of the specification, the iris recognition device 4 includes a housing 40, and an image acquisition module, a light supplement device and a circuit board 43 disposed in the housing 40, the image acquisition module and the light supplement device are connected to each other, and the circuit board 43 is respectively connected to the image acquisition module, the light supplement device and other parts of the iris recognition device 4. Specifically, the image acquisition module includes that visible light camera 411 and infrared camera 412 are used for acquireing visible light image and iris image respectively, and the light filling ware sets up the side at the image acquisition module. In the present embodiment, one visible light camera 411 and two infrared cameras 412 are provided, and the two infrared cameras 412 are symmetrically distributed on two sides of the visible light camera 411 to better acquire binocular iris images of the user. In order to carry out the light filling better, the light filling ware includes two sets of white light filling lamps 421 and two sets of infrared light filling lamps 422, and the left and right sides of image acquisition module all is provided with a set of white light filling lamps 421 and infrared light filling lamps 422 respectively, carries out more comprehensive light filling through the mode of controlling the setting.

In order to acquire clearer iris images more conveniently and rapidly, the iris image acquisition device is further provided with a distance measuring sensor 5 and a 3D structured light module 6 which are connected with the circuit board 43, wherein the distance measuring sensor 5 is arranged between the visible light camera 411 and the infrared camera 412 on one side and is used for acquiring the distance of a user; the 3D structured light module 6 is arranged above the visible light camera 411 and used for positioning the position of the human face. The distance of the user is acquired through the distance measuring sensor 5, the image acquisition module correspondingly adjusts the focal length to acquire an image at a corresponding distance, the iris recognition equipment 4 performs position movement according to the face position information after the face position is positioned through the 3D structured light module 6, the iris recognition equipment is automatically adjusted to correspond to the position and the height of the user so as to acquire and recognize the iris image, the user adaptation equipment is not needed, the equipment adapts to the user, the application efficiency is improved, and the iris recognition equipment can be better applied to more scenes.

For information presentation, a prompter 7 is provided on the iris recognition device, and the prompter 7 is provided outside the iris recognition device 4 and connected to the iris recognition device 4. In this embodiment, the prompter 7 is a high-definition display screen, and is configured to display information that the verification is successful or not after the iris identification verification is completed. In some embodiments, the prompter 7 may further include a speaker, an indicator light strip, and the like, for example, to report the verification result by voice; or when the iris identification is verified to pass, the indicating lamp strip displays green light, and if the iris identification is not verified to pass, the indicating lamp strip displays red light and plays warning prompt tone at the same time.

Example 2

The utility model also discloses an iris gate machine which comprises the iris recognition device in the embodiment 1.

Specifically, the iris recognition apparatus of embodiment 1 may be applied to a specific application scenario for iris acquisition and iris recognition, for example, a scenario with a large amount of people flow, such as an entrance/exit port, an airport, a train station, a subway station, and the like. The iris gate is embodied as an iris gate for identification based on an iris identification device.

Specifically, the bottom end of the adjusting mechanism is connected with a gate for application. Preferably, the iris gate is provided with a sensor for recognizing height data of the user. In the specific application process of the iris gate machine, when a user approaches the iris gate machine, the height data of the user is measured by the sensor and then sent to the iris recognition device, the iris recognition device controls the upper and lower adjusting components to adjust the iris recognition equipment to be aligned with the eyes of the user in advance according to received information, after the user enters the iris detection range, further face positioning and focusing are carried out, the left and right adjusting structures are controlled to be adjusted to be aligned with the eyes of the user, and after the adjustment is completed, the iris image of the user can be acquired more quickly and accurately to be verified. After the verification result is obtained, if the verification is passed, prompting verification passing information and allowing the user to pass; if the verification fails, prompting the information of the failure of the verification and playing a warning prompt tone.

In summary, the present invention provides an iris recognition apparatus and an iris gate machine capable of automatic adjustment, wherein the iris recognition apparatus obtains position information of a user through a distance measuring sensor and a 3D structured light module, and then adjusts the position of iris recognition equipment through an adjustment mechanism to adapt to the user, so as to obtain an iris image of the user more quickly and accurately, thereby improving efficiency and application range. The iris identification gate disclosed by the utility model can adjust the position of the iris identification device in advance according to the height of a user, then further iris acquisition and identification operations are carried out, and the iris identification gate can adapt to the user and is convenient for the user to operate. The device is suitable for the situation that a user with different heights passes through can be conveniently used, the application range is enlarged, the iris image of the user can be acquired more quickly, and the use efficiency is improved.

The above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and various modifications other than the above-mentioned embodiments may be made, and the technical features of the above-mentioned embodiments may be combined with each other, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An iris recognition device capable of being automatically adjusted is characterized by comprising an adjusting mechanism and iris recognition equipment;

the adjusting mechanism comprises an upper adjusting component and a lower adjusting component, the upper adjusting component and the lower adjusting component comprise driving motors, transmission parts and moving parts, the driving motors are connected with one ends of the transmission parts, two ends of the moving parts are respectively connected with the transmission parts and the iris recognition equipment, the driving motors are used for driving the transmission parts to move, and the transmission parts are used for driving the moving parts to move;

the iris identification equipment comprises a shell, and an image acquisition module, a light supplement device and a circuit board which are arranged in the shell and connected with each other, wherein the image acquisition module is connected with the light supplement device through the circuit board.

2. An iris identification device as claimed in claim 1, wherein the transmission member is a screw, the moving member is a first slider having an internal thread, the driving motor is a first motor, the first slider is sleeved on the screw, the first motor drives the screw to rotate, and the threads on the outer side of the screw and the inner side of the first slider are correspondingly arranged.

3. An iris identification device as claimed in claim 1, wherein the up-down adjustment assembly further comprises a support rod, the transmission member is a transmission belt, the moving member is a second sliding block, the second sliding block is sleeved outside the support rod, the transmission belt and the second sliding block are correspondingly provided with insections, the transmission belt is engaged with the second sliding block, and the driving motor drives the transmission belt to move.

4. The iris identification device as claimed in claim 1, wherein the adjusting mechanism further comprises a left-right adjusting assembly including a mounting base and a second motor provided on the mounting base;

the mounting seat is connected with the moving piece, a gear is arranged at the output end of the second motor, a rack is arranged on the back face of the shell, and the gear is meshed with the rack.

5. An iris identification device of claim 1 further comprising a distance measuring sensor and a 3D structured light module, wherein said distance measuring sensor and said 3D structured light module are connected to said circuit board.

6. The iris identification device as claimed in claim 1, wherein the image acquisition module comprises a visible light camera and two infrared cameras, and the infrared cameras are symmetrically distributed on two sides of the visible light camera.

7. The iris identification device as claimed in claim 1, wherein the light supplement device comprises two sets of white light supplement lamps and two sets of infrared supplement lamps, and the white light supplement lamps and the infrared supplement lamps are distributed on two sides of the image acquisition module.

8. An iris identification apparatus as claimed in claim 1, further comprising a prompter disposed outside the iris identification device and connected to the iris identification device.

9. An iris identification device of claim 8 wherein the prompter includes a display screen.

10. An iris gate comprising the iris recognition apparatus as claimed in any one of claims 1 to 9.

11. An iris gate as claimed in claim 10, further comprising a sensor for identifying height data of the user, said sensor being connected to said iris recognition means.