CN215729978U

CN215729978U - Self-adaptive iris recognition mechanism and passing gate

Info

Publication number: CN215729978U
Application number: CN202122174038.9U
Authority: CN
Inventors: 王榜金; 胡琼仁; 杨西岳; 龙泉
Original assignee: International Security Technology Ltd IST; IST International Security Technology Shenzhen Ltd; Shenzhen Huazhenglian Industrial Co Ltd
Current assignee: International Security Technology Ltd IST; IST International Security Technology Shenzhen Ltd; Shenzhen Huazhenglian Industrial Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to the technical field of identity recognition, and particularly provides a self-adaptive iris recognition mechanism which is arranged on equipment integrated with an iris recognition function and comprises a shell, and a control circuit board and an iris acquisition device which are arranged in the shell, wherein the iris acquisition device is electrically connected with the control circuit board; the iris identification mechanism further comprises a pitching adjusting device, wherein the pitching adjusting device comprises a rotating support and a driving motor, the driving motor is arranged at one end of the rotating support, an installation part used for penetrating through the iris collecting device is arranged in the middle of the rotating support, a driving part is arranged at one end part, close to the driving motor, of the rotating support, and a driven part is arranged at one end part, opposite to the driving part, of the rotating support. By adopting the self-adaptive iris recognition mechanism, the pitching adjustment device is used for adjusting the pitching rotation of the iris collecting device, the height of a person is collected in a self-adaptive manner, the usability of iris recognition is improved, the user experience is effectively improved, and the iris collecting efficiency is accelerated.

Description

Self-adaptive iris recognition mechanism and passing gate

Technical Field

The utility model belongs to the technical field of identity recognition, and particularly relates to a self-adaptive iris recognition mechanism and a pass gate.

Background

The iris recognition technology is a recognition technology which performs recognition by using the characteristics of an iris area in a human eye image and has the highest recognition rate in the current biological characteristic recognition. The iris is small in size, about 1 cm in diameter. In the iris recognition technology, the iris pictures with enough resolution ratio need to be collected for iris recognition, so that the field angle of the iris collection camera is smaller, the imaging range of the camera is only in a narrower region around the iris, and users with different heights use iris equipment to bring inconvenience.

The existing iris image acquisition equipment is fixed in installation angle and cannot adapt to different heights of users, so that the high users have to bend down to gather eyes on the iris acquisition lens; the short user may not stand on tiptoe and can not reach the iris acquisition lens, so the user experience is very poor, and the time for acquiring the iris image is very long. Therefore, how to design an iris identification module capable of automatically adjusting the angle is suitable for users with different heights, and the technical problem to be solved urgently is solved in the patent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-adaptive iris recognition mechanism and a pass gate, and aims to solve the technical problems that the existing iris recognition device cannot adapt to different heights of users, the acquisition efficiency is low, and the user experience is poor in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: the self-adaptive iris recognition mechanism is arranged on equipment integrated with an iris recognition function and comprises a shell, a control circuit board and an iris acquisition device, wherein the control circuit board and the iris acquisition device are arranged in the shell; self-adaptation iris recognition mechanism still includes every single move adjusting device, wherein, every single move adjusting device is including rotating support and driving motor, driving motor set up in the one end of rotating support, it is used for wearing to establish to rotate the support middle part iris collection system's installation department follows to rotate the support and be close to driving motor's a tip is provided with initiative portion, follows it is relative to rotate the support a tip of initiative portion is provided with the driven portion.

Optionally, the rotating bracket is provided with a first notch portion on one side of the mounting portion along the length direction of the rotating bracket, and the active portion is located between the mounting portion and the first notch portion; the driving motor is arranged on one side of the first notch portion through a motor support, and an output shaft of the driving motor is connected with the driving portion.

Optionally, the rotating bracket is provided with a second notch portion on the other side of the mounting portion along the length direction of the rotating bracket, and the driven portion is located between the mounting portion and the second notch portion.

Optionally, the first notch portion is opposite to the other side of the driving motor and is provided with a first infrared light supplement lamp, and the driving portion drives the first infrared light supplement lamp to rotate in a pitching manner.

Optionally, second breach portion is provided with the infrared light filling lamp of second, the infrared light filling lamp of second with first infrared light filling lamp homonymy sets up, through driven portion drives the infrared light filling lamp every single move of second rotates.

Optionally, a sensor for monitoring the extreme rotation position of the rotating bracket is arranged on one side of the driven part, which faces away from the rotating bracket; the sensor adopts the opto-coupler sensor, the sensor is arranged the position and is corresponded the extreme turned angle who rotates the support.

Optionally, a rotating block is arranged on the driving portion, an output shaft of the driving motor penetrates through the rotating block, the bottom of the rotating block is fixedly connected to the rotating support, and when the driving motor rotates, the rotating block drives the rotating support to synchronously rotate in a pitching manner.

Optionally, the driven part is including being fixed in the bearing support of rotating the support with install in rolling bearing on the bearing support and cover are located bearing pivot in the rolling bearing, through rotating the support drive the bearing support rotates, bearing support drives rolling bearing edge the synchronous every single move rotation of bearing pivot.

Optionally, the housing has a light-transmitting structure corresponding to the positions of the iris collecting device, the first infrared light supplement lamp and the second infrared light supplement lamp, and the iris collecting device is further provided with a white light lamp module.

The technical scheme of the utility model also comprises a passing gate which comprises a machine body and an iris mounting bracket arranged on the machine body, wherein the iris mounting bracket is movably provided with the self-adaptive iris recognition mechanism, and the self-adaptive iris recognition mechanism can vertically lift and move along the iris mounting bracket.

The self-adaptive iris recognition mechanism provided by the utility model has the beneficial effects that: the iris acquisition device is adjusted to rotate in a pitching mode through the pitching adjusting device, so that the height of an acquisition person can be self-adapted, iris identification can be rapidly and accurately carried out, the usability of iris identification is improved, and user experience is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic overall structure diagram of an adaptive iris recognition mechanism provided in an embodiment of the present invention;

fig. 2 is a partial structural schematic diagram of an adaptive iris recognition mechanism provided by an embodiment of the utility model;

fig. 3 is a partial exploded view of an adaptive iris recognition mechanism provided by an embodiment of the present invention;

fig. 4 is a partial structural diagram of another view direction of the adaptive iris recognition mechanism provided by the embodiment of the utility model;

fig. 5 is a schematic overall structure diagram of the traffic gate according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to fig. 1-5 and the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or it can be indirectly fixed to or disposed on the other element through a third member. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element through a third component.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the 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 is therefore not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1, an embodiment of the present invention provides an adaptive iris recognition mechanism 100, where the adaptive iris recognition mechanism 100 is installed in a device integrated with an iris recognition function, and the device may be an attendance machine, a ticket taker, an ATM machine, or an access gate machine, which needs to perform identity authentication. The adaptive iris recognition mechanism 100 comprises a shell 101, and a control circuit board and an iris acquisition device 102 which are arranged in the shell 101, wherein the iris acquisition device 102 is electrically connected with the control circuit board. Preferably, the iris collecting device 102 employs an iris camera for collecting iris images of human eyes and transmitting the images to the control circuit board, and the iris images are identified and registered in the control circuit board, wherein the iris identification mode may adopt the existing technical means, and is not described herein again.

Referring to fig. 1 and 2, in order to adapt to users with different heights and improve the matching degree of iris recognition, the adaptive iris recognition mechanism 100 in the embodiment of the present invention further includes a tilt adjusting device 200 installed in the housing 101. The pitching adjusting device 200 comprises a rotating support 201 and a driving motor 202, the driving motor 202 is arranged at one end of the rotating support 201, and an installation part 203 used for penetrating the iris collecting device 102 is arranged in the middle of the rotating support 201. Preferably, the mounting portion 203 is a connecting hole structure, the shape and size of which are matched with those of the iris collecting device 102, and it should be noted that, in order to ensure that the iris collecting device 102 can be inserted into the mounting portion 203, the diameter of the mounting portion 203 is slightly larger than the outer diameter of the iris collecting device 102. In addition, two ends of the rotating bracket 201 are installed in the housing 101 through rotating shafts; so set up, rotate support 201 every single move rotation through driving motor 202 drive to realize iris collection system 102 every single move rotation, realize with the function of gathering personnel's height self-adaptation.

Referring to fig. 3, specifically, the rotating bracket 201 includes a driving portion 2011 and a driven portion 2012, where the driving portion 2011 is located at an end of the rotating bracket 201 close to the driving motor 202, and the driven portion 2012 is located at another end of the rotating bracket 201 opposite to the driving portion 2011. Alternatively, the rotating bracket 201 is rectangular, a driving part 2011 and a driven part 2012 are respectively arranged along two end parts of the rotating bracket, and the driving motor 202 is connected with the driving part 2011 and can rotate synchronously. In addition, the bottoms of the driving part 2011 and the driven part 2012 can be detachably mounted on the rotating bracket 201. Therefore, when the driving motor 202 rotates, the driving part 2011 rotates synchronously, and then the driven part 2012 is driven to rotate by the rotating support 201, so that the stability and the safety of the rotating support 201 rotating along the shell 101 are ensured, and the stability and the safety of the pitching rotation of the iris collecting device 102 are further ensured.

Referring to fig. 3, the rotating bracket 201 is further provided with a first notch 2013 along the length direction thereof at one side of the mounting portion 203. Preferably, the first notch portion 2013 is a rectangular notch, the driving portion 2011 is disposed between the mounting portion 203 and the first notch portion 2013, the driving motor 202 is disposed at one side of the first notch portion 2013 through the motor bracket 2021, and an output shaft of the driving motor 202 is connected to the driving portion 2011. So set up, save installation space on the one hand, on the other hand structural design is compact for driving motor 202 can stably drive initiative portion 2011 and rotate when rotating.

As an alternative embodiment of this patent, the motor bracket 2021 is fixed to the housing 101, and the driving motor 202 rotates to drive the rotating bracket 201 to rotate by 0 to 15 degrees along the housing 101, but not limited thereto, and the actual rotating angle may be further determined according to the distance between the iris collecting device 102 and the collecting person, which is not described herein in detail.

Referring to fig. 3, the rotating bracket 201 is further provided with a second notch 2014 along the length direction on the other side of the mounting portion 203. Preferably, the second notch 2014 is a rectangular notch, and the driven part 2012 is disposed between the mounting part 203 and the second notch 2014. So set up, save installation space on the one hand, on the other hand structure festival is piled up for driven part 2012 can stabilize safe rotation.

Referring to fig. 2 and fig. 3, in order to adapt to environments with different brightness, the adaptive iris identification mechanism 100 of the present invention is provided with a light supplement lamp, in this embodiment, a first infrared light supplement lamp 20131 is provided along the other side of the first notch 2013 opposite to the driving motor 202, and the first infrared light supplement lamp 20131 is driven by the driving part 2011 to rotate in a pitching manner along the vertical plane thereof and simultaneously rotate synchronously with the iris acquisition device 102. Further, be provided with the infrared light filling lamp 20141 of second along second breach portion 2014 and first infrared light filling lamp 20131 homonymy, the infrared light filling lamp 20141 of second is driven by driven portion 2012 and is followed its vertical plane every single move rotation, rotates with iris collection system 102 synchronous simultaneously. So set up for the light filling effect is better.

Preferably, grating structures are arranged at the bottoms of the first infrared supplementary lighting lamp 20131 and the second infrared supplementary lighting lamp 20141.

Referring to fig. 3 and 4, further, a sensor 207 for detecting the limit rotation position of the rotating bracket 201 is disposed along a side of the driven part 2012 facing away from the rotating bracket 201, and the sensor is an optical coupler sensor, and the arrangement position corresponds to the limit rotation angle of the rotating bracket 201. Preferably, since the driving motor 202 has a limit deflection angle corresponding to the rotation bracket 201 capable of rotating along the housing 101 by 0-15 degrees and reciprocating the rotation along the angle, a sensor is required to realize limit control. In some embodiments, a sensor 207 is disposed along the bottom of the driven portion 2012, and when the rotating bracket 201 rotates to a limit of 15 degrees relative to the casing 101, the sensor 207 transmits position information to the control circuit board, so that the rotating bracket 201 stops rotating continuously, and the rotating bracket 201 is prevented from being dragged out along the casing 101 due to the continuous rotation; accordingly, when the rotating bracket 201 rotates back to the limit of 0 degrees relative to the housing 101, the sensor 207 transmits the position information to the control circuit board, so that the rotating bracket 201 stops rotating continuously, and the rotating bracket 201 is prevented from being damaged by extrusion due to continuous rotation.

Referring to fig. 3 and 4, further, a rotating block 2016 is disposed on the driving portion 2011, and an output shaft of the driving motor 202 penetrates through the rotating block 2016, and a screw rod penetrates along the rotating block 2016 to fix the rotating block 2016 and the driving motor 202. Meanwhile, the bottom of the rotating block 2016 is detachably fixed to the rotating bracket 201. So set up, when driving motor 202 rotated, drive through turning block 2016 and rotate the synchronous every single move rotation of support 201.

Referring to fig. 4, the driven portion 2012 further includes a bearing bracket 2017 detachably fixed to the rotating bracket 201, a rotating bearing 2018 mounted on the bearing bracket 2017, and a bearing rotating shaft 2019 sleeved in the rotating bearing 2018. Preferably, the bearing bracket 2017 is an L-shaped bracket, the rotating bearing 2018 can be inserted into the middle of the bearing bracket 2017, and the bearing rotating shaft 2019 is sleeved on the outer end of the rotating bearing 2018. With such an arrangement, when the driving motor 202 drives the rotating bracket 201 to rotate, the rotating bearing 2018 is driven by the bearing bracket 2017 to synchronously rotate in pitch along the bearing rotating shaft 2019.

Further, a light-transmitting structure is arranged on the shell 101 corresponding to the positions of the iris collecting device 102, the first infrared light supplement lamp 20131 and the second infrared light supplement lamp 20141, and the light-transmitting structure can be made of glass or other transparent materials. In addition, a white light module is further arranged on the iris acquisition device 102, so that the iris acquisition device 102 can conveniently perform iris recognition, and interference of other light rays is reduced.

Referring to fig. 5, the technical solution of the present invention further includes a traffic gate 500, which includes a body 501 and an iris installing support 502 disposed on the body 501, wherein the iris installing support 502 is movably disposed with the adaptive iris recognition mechanism 100, and the adaptive iris recognition mechanism 100 can vertically move along the iris installing support 502.

The self-adaptive iris recognition mechanism provided by the utility model has the beneficial effects that: the iris acquisition device is adjusted to rotate in a pitching mode through the pitching adjusting device, so that the height of an acquisition person can be self-adapted, iris identification can be rapidly and accurately carried out, the usability of iris identification is improved, and user experience is effectively improved. The self-adaptive iris recognition mechanism is used in a passing gate, so that the passing rate of passing is greatly improved, and the problem that people are difficult and slow to recognize due to the fact that the height of the people is not matched with the iris recognition mechanism when the people pass is solved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-adaptive iris recognition mechanism is arranged on equipment integrated with an iris recognition function and is characterized by comprising a shell, a control circuit board and an iris acquisition device, wherein the control circuit board and the iris acquisition device are arranged in the shell; self-adaptation iris recognition mechanism still includes every single move adjusting device, wherein, every single move adjusting device is including rotating support and driving motor, driving motor set up in the one end of rotating support, it is used for wearing to establish to rotate the support middle part iris collection system's installation department follows to rotate the support and be close to driving motor's a tip is provided with initiative portion, follows it is relative to rotate the support a tip of initiative portion is provided with the driven portion.

2. The adaptive iris recognition mechanism of claim 1 wherein the rotary bracket is provided with a first cut-out portion at one side of the mounting portion in a length direction thereof, and the active portion is located between the mounting portion and the first cut-out portion; the driving motor is arranged on one side of the first notch portion through a motor support, and an output shaft of the driving motor is connected with the driving portion.

3. The adaptive iris recognition mechanism of claim 2 wherein the rotary bracket is provided with a second cut-out portion at the other side of the mounting portion in the length direction thereof, and the driven portion is located between the mounting portion and the second cut-out portion.

4. The adaptive iris recognition mechanism of claim 3, wherein a first infrared light supplement lamp is disposed on the other side of the first notch portion opposite to the driving motor, and the driving portion drives the first infrared light supplement lamp to rotate in a pitching manner.

5. The adaptive iris recognition mechanism of claim 4, wherein a second infrared light supplement lamp is disposed at the second notch, the second infrared light supplement lamp is disposed at the same side as the first infrared light supplement lamp, and the driven portion drives the second infrared light supplement lamp to rotate in a pitching manner.

6. The adaptive iris identification mechanism of claim 5 wherein a side of the driven portion facing away from the rotating bracket is provided with a sensor for monitoring an extreme rotational position of the rotating bracket; the sensor adopts the opto-coupler sensor, the sensor is arranged the position and is corresponded the extreme turned angle who rotates the support.

7. The adaptive iris recognition mechanism of claim 6 wherein the driving portion has a rotation block, the output shaft of the driving motor is inserted into the rotation block, the bottom of the rotation block is fixed to the rotation bracket, and when the driving motor rotates, the rotation block drives the rotation bracket to synchronously rotate in a pitching manner.

8. The adaptive iris recognition mechanism of claim 7 wherein the driven part comprises a bearing bracket fixed to the rotating bracket, a rotating bearing mounted on the bearing bracket, and a bearing rotating shaft sleeved on the rotating bearing, the bearing bracket is driven by the rotating bracket to rotate, and the bearing bracket drives the rotating bearing to synchronously rotate in pitch along the bearing rotating shaft.

9. The adaptive iris recognition apparatus of claim 8, wherein the housing has a light-transmitting structure corresponding to the positions of the iris collecting device, the first infrared fill-in light and the second infrared fill-in light, and a white light module is further disposed on the iris collecting device.

10. A traffic gate machine, including the organism with set up in iris installing support on the organism, characterized by, the movable setting of iris installing support is as in any one of claims 1 to 9 self-adaptation iris recognition mechanism, the self-adaptation iris recognition mechanism can be along the vertical lift of iris installing support removes.