CN210895482U - Space multiplexing's palm print iris collection system - Google Patents

Abstract

The utility model provides a space multiplexing palm print iris acquisition device, which comprises a device main body with an inner cavity, wherein the front end of the device main body is limited to be closed, the rear end of the device main body is limited to be provided with an opening for acquiring irises, and the front end of the inner cavity is provided with an iris camera, a communication module and an iris light source; a palm print acquisition window is arranged on the top side of the device shell, and palm print modules and visible light indicator lamps are arranged on the inner wall of the top side at the rear end of the inner cavity in a staggered manner; a first narrow-band filter and a second filter are also arranged in the inner cavity behind the iris camera; the top end of the first narrow-band filter is inclined towards the front end of the device main body so as to horizontally refract the visible light source of the visible light indicator lamp towards the opening; the top of second narrowband filter inclines towards the front end of device main part to can gather the collection image of window and refract towards the palm print module. By multiplexing the inner cavity space, the comprehensive acquisition function is ensured, and the size is not too large.

Description

Space multiplexing's palm print iris collection system

Technical Field

The utility model belongs to the technical field of biological information acquisition technique and specifically relates to a spatial multiplexing's palm print iris collection system is related to.

Background

Most of iris collectors in the prior art are shell structures, but the space utilization rate of the inner cavity of the shell of the iris collector in the prior art is low, and the size of the whole shell structure is large if a palm print collecting function is added, the structure is heavy, and the operation is not convenient and fast in the use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a space multiplexing's palm print iris collection system to iris collector function singleness among the solution prior art, the technical problem that inner space utilization is low.

The utility model provides a space multiplexing palm print iris acquisition device, which comprises a device main body with an inner cavity, wherein the front end of the device main body is limited to be closed, the rear end of the device main body is limited to be provided with an opening for acquiring irises, and the front end of the inner cavity is provided with an iris camera, a communication module and an iris light source; a palm print acquisition window is arranged on the top side of the device shell, and palm print modules and visible light indicator lamps are arranged on the inner wall of the top side at the rear end of the inner cavity in a staggered manner; the iris camera, the iris light source and the visible light indicator lamp are in data communication connection with the communication module and are connected with a main control device through the communication module; a first narrow-band filter and a second narrow-band filter are further arranged in the inner cavity and behind the iris camera; the top end of the first narrow-band filter is inclined towards the front end of the device main body so as to horizontally refract the visible light source of the visible light indicator lamp towards the opening; the top orientation of second narrowband filter is in the front end slope of device main part, with can with the collection image orientation of palm print collection window palm print module refraction.

Furthermore, a transparent plastic plate is arranged on the palm print collecting window.

Further, the area of the transparent plastic plate is larger than the opening area of the palm print collecting window, and the transparent plastic plate covers the palm print collecting window from the top side of the device body; the side of the transparent plastic plate is wrapped with a rubber protective edge.

Furthermore, a sliding slot parallel to the top side surface is arranged on the top side surface of the device main body, and the transparent plastic plate can be inserted into the sliding slot in a sliding mode along the direction horizontal to the top side surface; the rubber protective edge is wrapped on the transparent plastic plate and leaks out of one side edge of the sliding slot.

Furthermore, a plurality of light source isolation grooves are formed in the inner wall of the inner cavity of the collecting shell, and one visible light indicator lamp is arranged in each light source isolation groove so as to isolate visible light sources emitted by adjacent visible light indicator lamps.

Furthermore, an eye patch is arranged on the opening for collecting the iris.

Furthermore, the eyeshade is a rubber pad wrapped on the edge of the opening, and the rubber pad is clamped at the rear end of the collecting shell through a buckle.

Furthermore, a light homogenizing plate is arranged at the front end of each visible light indicator lamp.

Further, still include at least one fingerprint module; the fingerprint module is embedded on the top side surface of the device shell and is positioned on the side part of the palm print acquisition window;

the fingerprint module is in data communication connection with the communication module and is connected with the master control equipment through the communication module.

Furthermore, the communication module is a USB HUB communication module.

In the technical scheme, the inner cavity space of the iris collector is multiplexed, so that the palm print collecting function and the iris collecting function can be integrated, the volume of the integral shell structure cannot be too large after the palm print collecting function is additionally arranged, and the use is still convenient. Moreover, the palm print module is arranged at the opening, and is convenient to detach and maintain.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural diagram of a spatial multiplexing palm print iris acquisition device provided by the embodiment of the utility model;

FIG. 2 is a view of the collection view of the spatially multiplexed palm print iris collection system of FIG. 1;

FIG. 3 is a diagram of the acquisition state of the spatially multiplexed palmprint iris acquisition device shown in FIG. 1;

fig. 4 is a schematic diagram of an electrical connection structure of the spatial multiplexing palm print iris acquisition device shown in fig. 1.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the spatially multiplexed palmprint iris acquisition device provided in this embodiment includes a device main body 201 having an inner cavity, the front end of the device main body 201 is defined as closed, the rear end is defined as having an opening for acquiring an iris, and the front end of the inner cavity is provided with an iris camera 100, a communication module 103 and an iris light source 101; a palm print collecting window 1071 is arranged on the top side of the device shell, and palm print modules 107 and a visible light indicator lamp 102 are arranged on the inner wall of the top side at the rear end of the inner cavity in a staggered manner; the iris camera 100, the iris light source 101 and the visible light indicator lamp 102 are all in data communication connection with the communication module 103, and are connected with a main control device through the communication module 103; a first narrow-band filter 104a and a second narrow-band filter 104b are also arranged in the inner cavity behind the iris camera 100; the top end of the first narrow band filter 104a is inclined toward the front end of the apparatus main body 201 to be able to horizontally refract the visible light source of the visible light indicator lamp 102 toward the opening; the top end of the second narrow band filter 104b is inclined toward the front end of the device main body 201 so as to be able to refract the collected image of the palm print collecting window 1071 toward the palm print module 107.

In use, a user may align the eye 121 with the opening, thereby looking the eye 121 towards the lumen. In this palm print iris collection device, position and angle cooperation between first narrowband filter 104a, second narrowband filter 104b and iris camera 100 and the palm print module 107 four can be right the space of device main part 201 inner chamber is multiplexed, gathers light path and palm print with the iris and gathers the light path together, has characteristics small, save space and cost, the realization palm print image that can be quick and the collection of iris image. And the optical path can be increased in a limited space, the space utilization rate is further improved, a user can feel the acquisition progress in real time in the iris acquisition process, and the method has friendly interactivity and good usability and provides technical support for large-scale biological information acquisition of the future population.

The second narrow-band filter 104b can transmit the wavelength band of the iris light source 101 and reflect other wavelength bands. And palm print illumination wave band and iris illumination wave band are not the same wave band, and second narrowband filter 104b can let iris light source 101 transmission pass through, reflects other wave bands including the light of palm print illumination wave band, and the iris is gathered and is concentrated in the horizontal direction of device main part 201 inner chamber, and the palm print is gathered and is concentrated in the vertical direction of device main part 201 inner chamber, and the multiplexing of space is gathered with the palm print to the iris, has the design exquisiteness, improves characteristics such as user interaction ease for use.

During collection, infrared light emitted by the iris light source 101 in a collection state can be irradiated to the iris image of the eye 121 of the user through the second narrow-band filter 104b, and the infrared iris image of the eye 121 can enter the iris camera 100 through the second narrow-band filter 104b, be recorded in real time and be transmitted to the main control device through the communication module 103 in real time. Meanwhile, with the aid of the auxiliary irradiation of the palm print lamp 105, the palm print image passing through the palm print collecting window 1071 can be projected onto the second narrow band filter 104b along the palm print collecting window 1071, and refracted onto the palm print module 107 through the second narrow band filter 104b, and is recorded in real time and transmitted to the main control device in real time through the communication module 103. The master control device can control the palm print iris acquisition device, specifically, can control the opening and closing of the iris camera 100 and the palm print module 107, and control the opening, closing and intensity adjustment of the iris light source 101 (such as an infrared lamp), the palm print lamp 105 and the visible light indicator lamp 102.

After the main control device finishes collecting a qualified iris image, the main control device controls a visible light indicator lamp 102 to light up, and the collection of the qualified iris image is finished according to the number of the lighted visible light indicator lamps 102 so as to remind a user. The user can intuitively know the qualified state (namely the qualified quantity) of each eye 121 in the acquisition process, so that the adaptability is increased, and the whole acquisition time is shortened. For example, when the left eye of the user is successfully acquired, the right eye of the user is mainly matched with the left eye, and the data acquisition is not influenced by blinking or resting of the left eye.

Generally, each acquisition of the iris image needs to acquire 6 qualified iris images, that is, 3 qualified iris images are acquired for each eye, so the number of the visible light indicator lamps 102 can be set to 6, and the lighting of 6 visible light indicator lamps 102 can indicate the progress state of each eye acquisition, that is, when one visible light indicator lamp 102 is lighted, it indicates that one qualified iris image acquisition is successful.

The number of the visible light indicators may be at least two, for example, the visible light indicator 102a, the visible light indicator 102b, and when the number is two, the two visible light indicators may respectively indicate the acquisition of the qualified iris images of the left eye and the right eye, and so on.

Visible light pilot lamp 102 can play the light effect to the inner chamber, simultaneously except playing the illumination, the important function that can show the collection state in real time, the reflection of the light source of visible light pilot lamp 102 through first narrowband filter 104a, present in the middle of the user field of vision, the simple direct state of showing qualified iris image collection or typing in, the indirect user of reminding is gathered the cooperation, user in use can be more direct understanding gather the progress, the abnormal conditions that subjective judgement was gathered and is ended and is left has been reduced, the whole time of extensive collection has been reduced.

Because the distance that people's eye gazed at the object is too close can the vision discomfort, consequently pilot lamp light source and people's eye need set up to certain distance, if adopt pilot lamp light source direct in people's eyes place ahead field of vision within range, need the collection equipment length very long, at least 20cm, just the user can feel the vision comfortable. The characteristic that the first narrow-band filter 104a can reflect other wave bands except the wave band of the iris light source 101 is utilized, the light source of the visible light indicator lamp 102 is reflected, the light source of the visible light indicator lamp 102 enters human eyes through the reflection of the first narrow-band filter 104a, the optical distance is increased in the limited inner cavity space distance, the comfort of vision can be met, meanwhile, the size of the collecting equipment can be reduced by nearly one time, and the device has the characteristics of being exquisite in design, improving the user interaction usability and the like. It should be noted that the first narrow band filter 104a may be replaced by other reflective lenses, such as a common reflector lamp. Similarly, the optical path of the palm print image can be increased within a limited lumen space distance by the reflection action of the second narrow band filter 104 b.

It should be noted that, when the first narrow-band filter 104a and the second narrow-band filter 104b are disposed in the inner cavity, an inclined manner needs to be adopted, as shown in fig. 3, it needs to be ensured that the palm print light path and the visible light source of the visible light indicator 102 are respectively refracted into the palm print collecting window 1071 and the eyes 121 of the user. Specifically, the tip of the first narrow band filter 104a is inclined toward the front end of the device main body 201. Correspondingly, the visible light indicator light 102 is close to the rear end of the inner cavity and is positioned above the opening; second narrowband filter 104 b's top orientation the front end slope of device main part 201, palm print collection window 1071 sets up the top side of device casing, so the cooperation, first narrowband filter 104a can with visible light source orientation of visible light pilot lamp 102 the opening level refraction also reflects to eyes 121 on the horizontal line, lets the user just can observe visible light source smoothly on horizontal sight, makes the user place the palm when palm print collection window 1071 simultaneously, and second narrowband filter 104b can be with palm print image refraction to palm print module 107 in. The acquisition equipment is fixed acquisition, so the field of view correction is not needed by a user by watching the eyes 121 of the user, the user only needs to visually observe the front in the acquired state, the method is the most friendly interactive mode, and the influence on the acquisition of the iris image is reduced to the minimum or even has no influence.

During actual setting, in order to ensure that virtual image 1 displayed by visible light source on first narrow band filter 104a is on the horizontal line of the field of view of eyes 121, the angle of first narrow band filter 104a in the inner cavity needs to be set according to the specific setting position of the virtual image, and meanwhile, the angle is different according to the distance between eyes 121 and visible light indicator lamp 102 and the distance between eyes 121 and first narrow band filter 104a, and the setting result is that virtual image 1 is ensured on the horizontal extension line of eyes 121. Similarly, the second narrow band filter 104b is also needed to be matched with the position of the palm print collecting window 1071.

Further, a transparent plastic plate is arranged on the palm print collecting window 1071. The transparent plastic plate has a transparent effect and is impact resistant. Preferably, the area of the transparent plastic plate is larger than the opening area of the palm print collection window 1071, and the transparent plastic plate covers the palm print collection window 1071 from the top side of the device body 201; the side of the transparent plastic plate is wrapped with a rubber protective edge. Therefore, the transparent plastic plate may protrude from the top side of the device body 201, and the protruding structure may facilitate a user's touch to determine the collecting position. And in order to prevent the protruding structure from hurting the palm of the user, the side of the transparent plastic plate is further wrapped with a rubber protective edge to play a role in protection.

Further, a sliding slot parallel to the top side surface is arranged on the top side surface of the device main body 201, and the transparent plastic plate can be inserted into the sliding slot in a sliding manner along a direction horizontal to the top side surface; the rubber protective edge is wrapped on the transparent plastic plate and leaks out of one side edge of the sliding slot. The structure of adopting the grafting can be convenient the installation and the dismantlement of transparent plastic board, and, if when transparent plastic board avoided impaired influence to gather, can also be timely will transparent plastic board takes off, utilizes the palm print collection window 1071 of blank frame to gather work temporarily.

Further, a plurality of light source isolation grooves 203 are formed in the inner wall of the inner cavity of the collecting shell, and one visible light indicator lamp 102 is arranged in each light source isolation groove 203 to isolate visible light sources emitted by adjacent visible light indicator lamps 102. The light source isolation groove 203 has a dual function of fixing and isolating light sources, and not only can physically isolate adjacent visible light indicator lamps 102 so that the visible light source emitted by a single visible light indicator lamp 102 is not affected by the light emission of the visible light sources on two sides, but also can firmly fix the visible light indicator lamps 102 in the groove structure.

Further, an eyeshade 202 is disposed on the collecting opening. The eyeshade 202 can be made of soft material to ensure that the user's eyes 121 can be attached to the eyeshade 202 comfortably and tightly, and the fatigue of the user's eyes 121 during the collection process can be reduced. Preferably, the eyeshade 202 is a rubber pad wrapped around the edge of the collection opening, and the rubber pad is fastened to the rear end of the collection housing by a fastener. The parcel mode of rubber pad can be arbitrary, utilizes the rubber pad and adopts the mode of parcel form constitution eye-shade 202, can make eye-shade 202's structure and gather the perfect adaptation of opening, is convenient for gather open-ended radian setting, and gathers the profile that open-ended radian setting can the adaptation people's face to make eye-shade 202 and the perfect attached of the profile of people's face. Simultaneously, the rubber pad passes through the buckle joint, and non-traditional bonding mode can the convenience of customers oneself dismantle and replace, avoids the rubber pad time for a long time the comfort level weaken.

Further, a light homogenizing plate is arranged at the front end of each visible light indicator lamp 102. The light-equalizing plate 204 covers the front end direction of the visible light indicator lamp 102, can homogenize the visible light source of the visible light indicator lamp 102, and changes the light into soft diffuse reflection light, so that the comfort level of the eyes 121 is improved, and the fatigue degree of the eyes 121 in the acquisition process is reduced.

Further, the system further comprises at least one fingerprint module 106; the fingerprint module 106 is embedded on the top side of the device housing, and the fingerprint module 106 is located on the side of the palm print collecting window 1071;

the fingerprint module 106 is in data communication connection with the communication module 103, and is connected with the main control device through the communication module 103. Fingerprint module 106 can set up 4, for example fingerprint module 106a, fingerprint module 106b, fingerprint module 106c, fingerprint module 106 d.

Therefore, according to the specific application scene, the fingerprint module 106 can be selected to collect fingerprints conveniently and freely, and the fingerprint information is transmitted to the main control equipment through the communication module 103.

Preferably, the communication module 103 is a USB HUB communication module 103.

Preferably, the number of the iris cameras 100 is 2, for example, the iris cameras 100a and 100b are arranged in the inner cavity, and 2 iris cameras 100 are arranged in the inner cavity in a left-right symmetrical manner. The number of the iris light sources 101 is 2, for example, the iris light sources 101a and the iris light sources 101b are arranged in a left-right symmetrical manner between the 2 iris cameras 100 for the 2 iris light sources 101. Therefore, the iris light source 101 in the middle can emit infrared light more intensively, and the acquisition effect of the iris camera 100 is improved.

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

Claims (10)

1. A space multiplexing palm print iris acquisition device comprises a device main body with an inner cavity, wherein the front end of the device main body is limited to be closed, and the rear end of the device main body is limited to be provided with an opening for acquiring an iris; a palm print acquisition window is arranged on the top side of the device shell, and palm print modules and visible light indicator lamps are arranged on the inner wall of the top side at the rear end of the inner cavity in a staggered manner; the iris camera, the iris light source and the visible light indicator lamp are in data communication connection with the communication module and are connected with a main control device through the communication module; a first narrow-band filter and a second narrow-band filter are further arranged in the inner cavity and behind the iris camera; the top end of the first narrow-band filter is inclined towards the front end of the device main body so as to horizontally refract the visible light source of the visible light indicator lamp towards the opening; the top orientation of second narrowband filter is in the front end slope of device main part, with can with the collection image orientation of palm print collection window palm print module refraction.

2. The spatially multiplexed palm print iris acquisition device of claim 1 wherein the palm print acquisition window is provided with a transparent plastic plate.

3. The spatially multiplexed palm print iris acquisition device of claim 2 wherein the area of the transparent plastic plate is larger than the open area of the palm print acquisition window, the transparent plastic plate overlying the palm print acquisition window from the top side of the device body; the side of the transparent plastic plate is wrapped with a rubber protective edge.

4. The spatially multiplexed palmprint iris collection device of claim 3 wherein the top side of the device body is provided with a slide slot parallel to the top side, the transparent plastic plate being slidably insertable into the slide slot along a direction horizontal to the top side; the rubber protective edge is wrapped on the transparent plastic plate and leaks out of one side edge of the sliding slot.

5. The spatially multiplexed palmprint iris collection device of claim 4 wherein the collection housing has a plurality of light source isolation slots formed in an inner wall of the inner cavity, one visible light indicator lamp being disposed in each light source isolation slot to isolate visible light sources from adjacent visible light indicator lamps.

6. The spatially multiplexed palmprint iris collection apparatus of claim 5 wherein an eye mask is positioned over the opening for collecting the iris.

7. The spatially multiplexed palmprint iris collection device of claim 6 wherein the eye mask is a rubber pad wrapped around the edge of the opening, the rubber pad being snap-fitted to the rear end of the collection housing.

8. The spatially multiplexed palm print iris collecting device of claim 7 wherein a light homogenizing plate is arranged at the front end of each visible light indicator.

9. The spatially multiplexed palmprint iris acquisition device of claim 8 further comprising at least one fingerprint module; the fingerprint module is embedded on the top side surface of the device shell and is positioned on the side part of the palm print acquisition window;

the fingerprint module is in data communication connection with the communication module and is connected with the master control equipment through the communication module.

10. The spatially multiplexed palmprint iris acquisition device of claim 9 wherein the communication module is a USB HUB communication module.

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