Iris acquisition and input equipment for iris recognition
By designing iris acquisition equipment for adjusting components and enclosing components, the problems of head instability and dust influence during iris acquisition are solved, and higher acquisition accuracy and adaptability are achieved.
Patent Information
- Application Number
- CN202421183462.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-28
AI Technical Summary
During iris collection, people need to keep their heads still. Swinging eyes will affect the accuracy of collection, and the proportions of different faces of different people are different. It is difficult for existing equipment to adapt to individual differences, which affects the collection effect.
An iris acquisition and entry device including an adjustment component and a closing component is designed to support the head by adjusting the assembly, adjust the height of the support block according to the face proportion, ensure that the eyes are aligned with the camera, and prevent dust from affecting the acquisition accuracy through the closing component.
Effectively support the head, ensure the alignment of the eyes and the camera, improve the accuracy of iris acquisition, and protect the camera through closed components to avoid the influence of dust, and improve the acquisition accuracy.
Smart Images
Figure CN222319497U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of iris collection, and in particular relates to an iris collection and recording device for iris recognition. Background Art
[0002] Iris acquisition equipment is a professional iris scanning device used to collect iris information. It is based on biometric security technology. Among all biometric technologies including fingerprint scanners, iris recognition is currently the most convenient and accurate one.
[0003] During the iris collection process, the eyes need to be aligned with the camera. Only after the eyes and the camera are aligned can the iris be successfully collected. During the collection process, the person must keep the head still. If the eyes shake, it will affect the accuracy of iris collection. The facial proportions of different people being collected are different, so adjustments need to be made based on the person's face. Therefore, we proposed an iris collection and entry device for iris recognition. Utility Model Content
[0004] The purpose of the utility model is to provide an iris collection and recording device for iris recognition. By setting an adjustment component 3, the head can be effectively supported. According to the different facial proportions of the person, the height of the support block is adjusted to achieve the purpose of aligning the person's eyes with the camera of the collector. This solves the problem that the person has to keep the head still during the existing collection process, and the shaking of the eyes will affect the accuracy of iris collection. The facial proportions of different people being collected are different, and adjustments need to be made according to the person's face.
[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model is an iris collection and recording device for iris recognition, including an adjustment component and an instrument housing, a worm screw is fixedly connected to the left side of the turn button, a worm wheel is meshedly connected to the back side of the worm screw, a threaded hole is provided at the center of the worm wheel, a lead screw is threadedly connected to the inner wall of the threaded hole, a support block is fixedly connected to the top of the lead screw, a support is rotatably connected to the outer surface of the worm screw, a storage groove is provided on the front side of the instrument housing, a camera is arranged inside the storage groove, a closing component is provided on the front side of the instrument housing, and the closing component includes a baffle. By arranging the adjustment component, the head can be effectively supported, and the height of the support block can be adjusted according to the different facial proportions of the person to achieve the purpose of aligning the person's eyes with the camera of the collection instrument.
[0007] Furthermore, a T-block is fixedly connected to the bottom of the baffle, a rotating block is slidably connected to the outer surface of the T-block, the back of the rotating block is rotatably connected to the top of the instrument housing, the bottom of the baffle is rotatably connected to a support rod, a circular hole is opened inside the support rod, and a fixed shaft is rotatably connected to the inner wall of the circular hole. There are two fixed shafts, and the right sides of the two fixed shafts are fixedly connected to the inner wall of the storage slot. By setting a closing component, the camera is closed to prevent dust from affecting the accuracy of iris acquisition by the device.
[0008] Furthermore, a connecting block is rotatably connected to the bottom of the support rod, a spring is fixedly connected to the back of the connecting block, a ring block is fixedly connected to the side of the spring away from the connecting block, and the inner wall of the ring block is rotatably connected to the outer surface of the fixed shaft on the back. The storage groove is closed by setting the spring elastic force to pull the baffle to prevent the baffle from opening when the equipment is moved.
[0009] Furthermore, the inner wall of the storage groove is rotatably connected to a connecting rod 1, the front side of the connecting rod 1 is rotatably connected to a connecting rod 2, and the front side of the connecting rod 2 is rotatably connected to a camera. By setting the connecting rod 1 and the connecting rod 2, the camera can be retracted and released.
[0010] Furthermore, two round rods are fixedly connected to the bottom of the support block, and two through holes are opened on the top of the support. The inner walls of the two through holes are slidably connected to the outer surface of the round rod. By setting the round rod, the screw rod is restricted from rotating and can only move up and down as the worm gear rotates.
[0011] Furthermore, a placement groove is opened inside the support, and a limiting ring is fixedly connected to the top of the inner wall of the placement groove. A limiting groove is opened inside the worm gear, and the inner wall of the limiting groove is rotatably connected to the top of the limiting ring. A second through hole is opened at the center of the top of the support, and the inner wall of the second through hole is slidably connected to the outer surface of the screw rod. The limiting ring arranged at the bottom of the worm gear ensures that the worm gear will not deviate and shake while rotating.
[0012] Furthermore, a connecting rod is fixedly connected to the left side of the support, and the left side of the connecting rod is rotatably connected to a limiting block. The top of the support is fixedly connected to a base, and the top of the base is fixedly connected to the bottom of the instrument housing. The top of the support is fixedly connected to a fixture, and the forehead of the person being collected rests on the top of the fixture, which stabilizes the head and prevents the eyes from shaking.
[0013] The utility model has the following beneficial effects:
[0014] 1. The utility model sets an adjustment component, specifically, the knob is rotated counterclockwise to drive the worm to rotate, and the worm drives the worm wheel to rotate. During the rotation of the worm wheel, the lead screw arranged inside the worm wheel is driven to move upward, and the lead screw drives the support block to move upward. The lower jaw of the head rests on the support block, which can effectively support the head. According to the different facial proportions of the person, the height of the support block is adjusted to achieve the purpose of aligning the person's eyes with the camera of the data collector.
[0015] 2. The utility model sets a sealing component, specifically, a flip baffle drives the support rod to rotate clockwise around the fixed axis, and then as the baffle flips, the T-block fixed at the bottom of the baffle slides in the rotating block, and the spring in the stretched state pulls the connecting block. When the baffle contacts the front of the instrument housing, the camera is sealed, thereby preventing dust from affecting the accuracy of the device's iris acquisition.
[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the support structure of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;
[0021] Figure 4 This is a schematic diagram of the front cross-sectional structure of the support of the utility model;
[0022] Figure 5 This is a schematic diagram of the structure of the utility model camera;
[0023] Figure 6 This is a schematic diagram of the structure of the utility model closed component.
[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0025] 11. Instrument housing; 12. Fixer; 13. Support; 14. Base; 21. Connecting rod one; 22. Connecting rod two; 23. Camera; 3. Adjustment assembly; 301. Turning knob; 302. Worm; 303. Ratchet; 304. Limit block; 305. Connecting rod; 306. Support block; 307. Screw; 308. Worm wheel; 309. Round rod; 310. Limit ring; 4. Closing assembly; 41. Baffle; 42. T-block; 43. Rotating block; 44. Support rod; 45. Fixed shaft; 46. Connecting block; 47. Spring; 48. Ring block. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] See also Figure 1-6 As shown, the utility model is an iris collection and recording device for iris recognition, including an adjustment component 3 and an instrument housing 11, a worm 302 is fixedly connected to the left side of a knob 301, a worm 308 is meshedly connected to the back of the worm 302, a threaded hole is provided at the center of the worm wheel 308, a screw 307 is threadedly connected to the inner wall of the threaded hole, a support block 306 is fixedly connected to the top of the screw 307, a support 13 is rotatably connected to the outer surface of the worm 302, a storage slot is provided on the front side of the instrument housing 11, a camera 23 is arranged inside the storage slot, and a closed Component 4, the closing component 4 includes a baffle 41, and the adjustment component 3 is set. Specifically, the knob 301 is rotated counterclockwise to drive the worm 302 to rotate, and the worm 302 drives the worm wheel 308 to rotate. During the rotation of the worm wheel 308, the screw 307 set inside the worm wheel 308 is driven to move upward, and the screw 307 drives the support block 306 to move upward. The lower jaw of the head rests on the support block 306, which can effectively support the head. According to the different facial proportions of the person, the height of the support block 306 is adjusted to achieve the purpose of aligning the person's eyes and the camera of the collector.
[0028] A T-block 42 is fixedly connected to the bottom of the baffle 41, and a rotating block 43 is slidably connected to the outer surface of the T-block 42. The back of the rotating block 43 is rotatably connected to the top of the instrument housing 11. A support rod 44 is rotatably connected to the bottom of the baffle 41. A circular hole is opened inside the support rod 44, and a fixed shaft 45 is rotatably connected to the inner wall of the circular hole. There are two fixed shafts 45, and the right sides of the two fixed shafts 45 are fixedly connected to the inner wall of the storage groove. By setting a closing component 4, specifically, the flipping baffle 41 drives the support rod 44 to rotate clockwise around the fixed shaft 45 as the center. As the baffle 41 flips, the T-block 42 fixed at the bottom of the baffle 41 slides in the rotating block 43, and the spring 47 in the stretched state pulls the connecting block 46. When the baffle 41 contacts the front of the instrument housing 11, the camera 23 is closed, thereby preventing dust from affecting the accuracy of the device in collecting irises.
[0029] The bottom of the support rod 44 is rotatably connected to a connecting block 46, the back of the connecting block 46 is fixedly connected to a spring 47, and the side of the spring 47 away from the connecting block 46 is fixedly connected to a ring block 48, and the inner wall of the ring block 48 is rotatably connected to the outer surface of the fixed shaft 45 located at the back.
[0030] The inner wall of the storage slot is rotatably connected to a connecting rod 1 21, the front side of the connecting rod 1 21 is rotatably connected to a connecting rod 22, and the front side of the connecting rod 22 is rotatably connected to a camera 23.
[0031] Two round rods 309 are fixedly connected to the bottom of the support block 306 , and two through holes 1 are provided on the top of the support 13 . The inner walls of the two through holes 1 are slidably connected to the outer surfaces of the round rods 309 .
[0032] A placement groove is opened inside the support 13, and a limit ring 310 is fixedly connected to the top of the inner wall of the placement groove. A limit groove is opened inside the worm gear 308, and the inner wall of the limit groove is rotatably connected to the top of the limit ring 310. A through hole 2 is opened at the center of the top of the support 13, and the inner wall of the through hole 2 is slidably connected to the outer surface of the screw rod 307.
[0033] The left side of the support 13 is fixedly connected with a connecting rod 305, the left side of the connecting rod 305 is rotatably connected with a limiting block 304, the top of the support 13 is fixedly connected with a base 14, the top of the base 14 is fixedly connected to the bottom of the instrument housing 11, and the top of the support 13 is fixedly connected with a fixture 12.
[0034] A specific application of this embodiment is: the base 14 of the device is placed on the table and fixed, the person whose iris is collected sits in front of the device and puts his head on the support block 306. Because the proportions of people's faces are different, it is necessary to adjust the height of the person's head to adjust the alignment between the person's eyes and the camera of the collection instrument. The knob 301 is rotated counterclockwise to drive the worm 302 to rotate, and the worm 302 drives the worm wheel 308 to rotate. During the rotation of the worm wheel 308, the screw 307 arranged inside the worm wheel 308 is driven to move upward. The limiting ring 310 arranged at the bottom of the worm wheel 308 ensures that the worm wheel 308 will not deviate and shake while rotating. The screw 307 drives the support block 306 to move upward, and the lower jaw of the head is against the support block 306, which can effectively support the head. When the head applies downward force to the support block 306, the limiting block 304 is against the surface of the ratchet 303, so that the entire adjustment component 3 is fixed, which can effectively support the head. When the support block 306 needs to be raised, the support block 306 is raised. When adjusting downward, the limit block 304 rotates away from the ratchet 303 with the connecting rod 305 as the center. At this time, the support block 306 can be adjusted to move downward by turning the knob 301 clockwise. When the adjustment is complete, the limit block 304 is rotated to abut against the surface of the ratchet 303, and the forehead of the person being collected is against the top of the fixture 12, which stabilizes the head and keeps the eyes from shaking. After the iris collection is completed, the camera 23 is pushed to drive the connecting rod 22 and the connecting rod 1 21 to move to the storage slot of the instrument housing 11 Inside, the flip baffle 41 drives the support rod 44 to rotate clockwise around the fixed axis 45, and then as the baffle 41 flips, the rotating block 43 rotates clockwise around the connection between the back of the rotating block 43 and the instrument housing 11, and the T-block 42 fixed at the bottom of the baffle 41 slides in the rotating block 43, and the spring 47 in the stretched state pulls the connecting block 46. When the baffle 41 contacts the front of the instrument housing 11, the camera 23 is closed, preventing dust from affecting the accuracy of the device's iris collection.
[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. An iris acquisition and recording device for iris recognition, comprising an adjustment component (3) and an instrument housing (11), wherein the left side of a rotating knob (301) is fixedly connected to a worm (302), and the back side of the worm (302) is meshedly connected to a worm wheel (308), characterized in that: A threaded hole is provided at the center of the worm wheel (308), a screw rod (307) is threadedly connected to the inner wall of the threaded hole, a support block (306) is fixedly connected to the top of the screw rod (307), a support (13) is rotatably connected to the outer surface of the worm rod (302), a storage groove is provided on the front of the instrument housing (11), a camera (23) is arranged inside the storage groove, and a closing component (4) is provided on the front of the instrument housing (11), and the closing component (4) includes a baffle (41).
2. The iris collection and recording device for iris recognition according to claim 1, characterized in that: The bottom of the baffle (41) is fixedly connected to a T-shaped block (42), the outer surface of the T-shaped block (42) is slidably connected to a rotating block (43), the back of the rotating block (43) is rotatably connected to the top of the instrument housing (11), the bottom of the baffle (41) is rotatably connected to a support rod (44), a circular hole is provided inside the support rod (44), and a fixed shaft (45) is rotatably connected to the inner wall of the circular hole, and the number of the fixed shafts (45) is two, and the right sides of the two fixed shafts (45) are fixedly connected to the inner wall of the storage groove.
3. The iris collection and recording device for iris recognition according to claim 2, characterized in that: The bottom of the support rod (44) is rotatably connected to a connecting block (46), the back of the connecting block (46) is fixedly connected to a spring (47), the side of the spring (47) away from the connecting block (46) is fixedly connected to a ring block (48), and the inner wall of the ring block (48) is rotatably connected to the outer surface of a fixed shaft (45) located at the back.
4. The iris collection and recording device for iris recognition according to claim 1, characterized in that: The inner wall of the storage slot is rotatably connected to a connecting rod 1 (21), the front face of the connecting rod 1 (21) is rotatably connected to a connecting rod 2 (22), and the front face of the connecting rod 2 (22) is rotatably connected to a camera (23).
5. The iris collection and recording device for iris recognition according to claim 1, characterized in that: The bottom of the support block (306) is fixedly connected to two round rods (309), and the top of the support (13) is provided with two through holes 1, and the inner walls of the two through holes 1 are slidably connected to the outer surface of the round rods (309).
6. The iris collection and recording device for iris recognition according to claim 1, characterized in that: A placement groove is provided inside the support (13), and a limit ring (310) is fixedly connected to the top of the inner wall of the placement groove. A limit groove is provided inside the worm wheel (308), and the inner wall of the limit groove is rotatably connected to the top of the limit ring (310). A second through hole is provided at the center of the top of the support (13), and the inner wall of the second through hole is slidably connected to the outer surface of the screw rod (307).
7. The iris collection and recording device for iris recognition according to claim 1, characterized in that: The support (13) is fixedly connected to a connecting rod (305) on the left side, and the connecting rod (305) is rotatably connected to a limiting block (304) on the left side. The support (13) is fixedly connected to a base (14) on the top, and the top of the base (14) is fixedly connected to the bottom of the instrument housing (11). The support (13) is fixedly connected to a fixture (12) on the top.