Large thenar palm print acquisition equipment

Abstract

The utility model discloses big thenar palmprint acquisition equipment, which relates to the technical field of palmprint acquisition, and comprises an outer shell, an opening is formed in the surface of the outer shell, black-out cloth is correspondingly arranged at the opening, a height adjusting mechanism is arranged in the center of the upper end of the outer shell, a camera is arranged at one end of the height adjusting mechanism, and a camera is arranged at the other end of the height adjusting mechanism. The output end of the camera is connected with an electric wire, the other end of the electric wire is connected with a computer used for control, a pair of light adjusting assemblies is arranged on the inner wall of the outer shell, and a palm placing mechanism is arranged in the center of the bottom end in the outer shell. According to the utility model, through the height adjusting mechanism, the purpose of controlling the camera to move up and down is achieved, measurement personnel can accurately collect small palmprint of a big thenar of a person to be measured according to needs, the accuracy of collected data is increased, the device is suitable for different crowds, accurate collection can still be realized under various conditions, and the working efficiency is improved. The practicability and the convenience are higher.

Description

Technical Field

[0001] The utility model relates to the technical field of palm print collection, in particular to a thenar palm print collection device. Background Art

[0002] Everyone's palm prints are different. In real life, it is often necessary to confirm a person's identity by collecting palm prints. When collecting palm prints, a palm print collection device is required. It is difficult to adjust the height of the camera in the existing palm print collection device, and it is difficult to achieve the purpose of precise adjustment. For example, a palm print comprehensive collection device recorded in the patent announcement number CN 217718726 U includes a housing, a top cover is optical glass; a support frame is arranged in the housing, used to support a high-definition industrial camera; a first high-definition industrial camera is arranged on the support frame; a second high-definition industrial camera is arranged on the support frame; a left palm and left palm five fingers placement area and a right palm and right palm five fingers placement area are arranged on the optical glass, and the left palm placement area and the left palm five fingers placement area correspond to the shooting position of the first high-definition industrial camera, and the right palm placement area and the right palm five fingers placement area correspond to the shooting position of the second high-definition industrial camera. The existing technology achieves the purpose of collecting the palm prints of both hands by placing both hands on the optical glass, but it is difficult to further collect finer palm prints as needed.

[0003] Based on this, a thenar palm print collection device is now provided, which can eliminate the disadvantage of being unable to collect fine palm prints as needed. Utility Model Content

[0004] The utility model aims to provide a thenar palm print collection device to solve the problem that it is difficult to adjust the height of a camera and it is difficult to achieve precise adjustment.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A thenar palm print collection device comprises an outer shell, an opening is provided on the surface of the outer shell, a shading cloth is provided corresponding to the opening, a height adjustment mechanism is provided at the center of the upper end of the outer shell, a camera is provided at one end of the height adjustment mechanism, an output end of the camera is connected to an electric wire, and the other end of the electric wire is connected to a computer for control, a pair of light adjustment components are provided on the inner wall of the outer shell, and a palm placement mechanism is provided at the center of the bottom end of the inner shell.

[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0008] In an optional solution: the height adjustment mechanism includes a fixed block fixedly connected to the center position of the upper end of the outer shell, the fixed block is hollow inside, an up and down adjustment component is provided at one end of the fixed block, a limiting hole is provided on the surface of the fixed block which is the same as the mounting surface of the up and down adjustment component, and the camera is slidably connected in the limiting hole.

[0009] In an optional scheme: the up and down adjustment component includes a threaded rod passing through one end of the fixed block, a driven bevel gear is provided at one end of the threaded rod, a limiting block is provided at the other end of the threaded rod, the driven bevel gear is rotatably connected to the bottom end inside the fixed block, the outer surface of the driven bevel gear is meshed with a driving bevel gear, the surface of the driving bevel gear opposite to the meshing surface is fixedly connected with a rotating shaft, the rotating shaft passes through the outer surface of the fixed block, a regulating knob is provided at the other end of the rotating shaft, an adjustment plate is threadedly connected to the outer surface of the threaded rod, and the other end of the adjustment plate is fixedly connected to the outer surface of the camera.

[0010] In an optional solution: the light adjustment component includes a rotating block rotatably connected to a side surface of the inner side of the outer shell, a lighting tube is fixedly connected to the rotating block surface inside the outer shell, and an adjustment knob is provided on the rotating block surface outside the outer shell.

[0011] In an optional solution: the palm placement mechanism includes a moving component fixed to the inner bottom surface of the outer shell, a connecting rod is provided at the other end of the moving component, and a placement plate is provided at one end of the connecting rod away from the moving component.

[0012] In an optional solution: the moving component includes a pair of slide grooves fixed to the inner surface of the outer shell, a slider is slidably connected inside the slide groove, and the other end of the slider is fixedly connected to the surface of the connecting rod.

[0013] In an optional solution: a soft cushion is provided on the upper end of the placement board.

[0014] In an optional solution: a polarizing plate is fixedly connected to the lower end of the camera surface.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] The utility model achieves the purpose of controlling the up and down movement of the camera through the height adjustment mechanism, which is convenient for measurement personnel to accurately collect the fine palm lines of the thenar of the person to be measured according to needs, increases the accuracy of collected data, is suitable for different groups of people, can still accurately collect data in a variety of situations, and is more practical and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the overall side of the utility model.

[0019] Figure 3 It is a schematic diagram of the overall internal structure of the utility model.

[0020] Figure 4 It is a schematic diagram of the overall structure of the height adjustment mechanism of the utility model.

[0021] Figure 5 It is a schematic diagram of the internal structure of the height adjustment mechanism of the utility model.

[0022] Notes on the accompanying drawings: 1. outer shell; 2. opening; 3. blackout cloth; 4. height adjustment mechanism; 41. fixing block; 42. up and down adjustment assembly; 421. threaded rod; 422. driven bevel gear; 423. limiting block; 424. driving bevel gear; 425. rotating shaft; 426. regulating knob; 427. adjusting plate; 43. limiting hole; 5. camera; 6. electric wire; 7. computer; 8. light adjustment assembly; 81. rotating block; 82. lighting tube; 83. regulating knob; 9. palm placement mechanism; 91. slide groove; 92. slider; 93. connecting rod; 94. placement plate; 10. cushion; 11. polarizing plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] Example 1

[0025] In one embodiment, Figure 1-Figure 5 As shown, a thenar palm print collection device includes an outer shell 1, an opening 2 is opened on the surface of the outer shell 1, and a blackout cloth 3 is arranged corresponding to the opening 2 to ensure the darkness of the darkroom space inside the outer shell 1, thereby increasing the accuracy of palm print collection. A height adjustment mechanism 4 is arranged at the center position of the upper end of the outer shell 1, and a camera 5 is arranged at one end of the height adjustment mechanism 4. A polarizing plate 11 is fixedly connected to the lower end position of the surface of the camera 5, and the polarizing plate 11 concentrates light on the shooting position of the camera 5, so that the image displayed by the camera 5 is brighter and clearer. An output end of the camera 5 is connected to a wire 6, and the other end of the wire 6 is connected to a computer 7 for control. The computer 7 is used to control the operation of the entire device. A pair of light adjustment components 8 are arranged on the inner wall of the outer shell 1, and a palm placement mechanism 9 is arranged at the center position of the bottom end of the inner shell 1.

[0026] In one embodiment, Figure 4 and Figure 5As shown, the height adjustment mechanism 4 includes a fixed block 41 fixedly connected to the center position of the upper end of the outer shell 1, the fixed block 41 is hollow inside, and an up-down adjustment component 42 is arranged at one end of the fixed block 41. A limit hole 43 is arranged on the surface of the fixed block 41 which is the same as the mounting surface of the up-down adjustment component 42. The camera 5 is slidably connected to the limit hole 43. The up-down movement of the camera 5 is controlled by the up-down adjustment component 42, so as to facilitate the detailed extraction of thenar palm prints as needed. The up-down adjustment component 42 includes a threaded rod 421 passing through one end of the fixed block 41, a driven bevel gear 422 is arranged at one end of the threaded rod 421, and a limit block 423 is arranged at the other end of the threaded rod 421. The driven bevel gear 422 is rotatably connected to the bottom end of the fixed block 41, and the driven bevel gear 422 is externally An active bevel gear 424 is meshed on the surface, and a rotating shaft 425 is fixedly connected to the surface of the active bevel gear 424 opposite to the meshing surface. The rotating shaft 425 passes through the outer surface of the fixed block 41, and a regulating knob 426 is arranged on the other end of the rotating shaft 425. An adjusting plate 427 is threadedly connected to the outer surface of the threaded rod 421, and the other end of the adjusting plate 427 is fixedly connected to the outer surface of the camera 5. When collecting the palm prints of the thenar eminence, the staff can control the rotation of the active bevel gear 424 by rotating the regulating knob 426, thereby driving the rotation of the driven bevel gear 422 and the threaded rod 421, thereby controlling the lifting and lowering of the regulating plate 427, so as to achieve the purpose of controlling the up and down movement of the camera 5 and realizing the purpose of extracting the details of the palm prints of the thenar eminence of the human body.

[0027] Example 2

[0028] The difference from Example 1 is that Figure 3 As shown, the light adjustment component 8 includes a rotating block 81 rotatably connected to one side surface of the inner side of the outer shell 1, a lighting tube 82 is fixedly connected to the surface of the rotating block 81 on the inner side of the outer shell 1, and an adjustment knob 83 is provided on the surface of the rotating block 81 on the outer side of the outer shell 1. The user can control the rotation of the rotating block 81 by rotating the adjustment knob 83, thereby controlling the rotation of the lighting tube 82, so as to control the illumination angle of the palm lines, making the collection more accurate and more practical.

[0029] Example 3

[0030] Different from other embodiments, Figure 3As shown, the palm placement mechanism 9 includes a moving component fixed to the inner bottom surface of the outer shell 1, a connecting rod 93 is provided at the other end of the moving component, a placement plate 94 is provided at the end of the connecting rod 93 away from the moving component, and a soft pad 10 is provided on the upper end of the placement plate 94. The soft pad 10 ensures the comfort of the person being collected during the collection process. The moving component includes a pair of slide grooves 91 fixed to the inner surface of the outer shell 1, a slider 92 is slidably connected inside the slide groove 91, and the other end of the slider 92 is fixedly connected to the surface of the connecting rod 93. In the process of palm print collection, the person being collected first puts the palm into the outer shell 1 from the opening 2, and then places it on the soft pad 10 on the placement plate 94. By gradually extending the palm into the interior of the outer shell 1, the slider 92 slides in the slide groove 91 until the palm moves to the measurement position along with the placement block. The palm print collection mechanism is suitable for people of all sizes, and can accurately measure the palm prints of the human body's thenar eminence regardless of the group of people being measured.

[0031] The above embodiment discloses a thenar palm print collection device, wherein, during the palm print collection process, the person to be collected first puts the palm into the outer shell 1 through the opening 2, and then places it on the soft pad 10 on the placement plate 94, and gradually extends the palm into the inner part of the outer shell 1, and the slider 92 slides in the slide groove 91 until the palm moves to the measurement position along with the placement block. The device is suitable for people of all sizes, and can accurately measure the human thenar palm print when measuring any group of people. When collecting the palm print of the thenar, if the detailed palm print needs to be collected, the staff can adjust the palm print by turning the control knob 42 6 controls the active bevel gear 424 to rotate, thereby driving the driven bevel gear 422 and the threaded rod 421 to rotate, thereby controlling the lifting of the adjustment plate 427, achieving the purpose of controlling the camera 5 to move up and down, and realizing the purpose of extracting the details of the palm prints of the human body. During the measurement, the light adjustment component 8 can be used to adjust the light inside the outer shell 1. The user can control the rotation of the rotating block 81 by rotating the adjustment knob 83, thereby controlling the rotation of the lighting tube 82, so as to control the illumination angle of the palm prints, making the collection more accurate and more practical.

[0032] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A thenar palm print collection device, comprising an outer shell (1), the outer shell (1) having an opening (2) on its surface, the opening (2) correspondingly provided with a shading cloth (3), characterized in that: A height adjustment mechanism (4) is arranged at the center of the upper end of the outer shell (1); a camera (5) is arranged at one end of the height adjustment mechanism (4); an output end of the camera (5) is connected to an electric wire (6); the other end of the electric wire (6) is connected to a computer (7) for control; a pair of light adjustment components (8) are arranged on the inner wall of the outer shell (1); and a palm placement mechanism (9) is arranged at the center of the bottom end of the inner part of the outer shell (1).

2. The thenar palm print collection device according to claim 1, characterized in that: The height adjustment mechanism (4) comprises a fixed block (41) fixedly connected to the center position of the upper end of the outer shell (1); the interior of the fixed block (41) is hollow; an up-and-down adjustment component (42) is provided at one end of the fixed block (41); a limiting hole (43) is provided on the surface of the fixed block (41) which is the same as the mounting surface of the up-and-down adjustment component (42); and the camera (5) is slidably connected in the limiting hole (43).

3. The thenar palm print collection device according to claim 2, characterized in that: The up-and-down adjustment assembly (42) comprises a threaded rod (421) passing through one end of a fixed block (41); a driven bevel gear (422) is arranged at one end of the threaded rod (421); a limiting block (423) is arranged at the other end of the threaded rod (421); the driven bevel gear (422) is rotatably connected to the bottom end of the fixed block (41); an active bevel gear (424) is meshed on the outer surface of the driven bevel gear (422); a rotating shaft (425) is fixedly connected to the surface of the active bevel gear (424) opposite to the meshing surface; the rotating shaft (425) passes through the outer surface of the fixed block (41); a regulating knob (426) is arranged at the other end of the rotating shaft (425); an adjusting plate (427) is threadedly connected to the outer surface of the threaded rod (421); and the other end of the adjusting plate (427) is fixedly connected to the outer surface of the camera (5).

4. The thenar palm print collection device according to claim 1, characterized in that: The light adjustment assembly (8) comprises a rotating block (81) rotatably connected to a surface of one side of the interior of the outer shell (1); a lighting tube (82) is fixedly connected to the surface of the rotating block (81) on the inner side of the outer shell (1); and an adjustment knob (83) is provided on the surface of the rotating block (81) on the outer side of the outer shell (1).

5. The thenar palm print collection device according to claim 1, characterized in that: The palm placement mechanism (9) comprises a moving component fixed to the inner bottom surface of the outer shell (1), a connecting rod (93) is provided at the other end of the moving component, and a placement plate (94) is provided at one end of the connecting rod (93) away from the moving component.

6. The thenar palm print collection device according to claim 5, characterized in that: The moving assembly comprises a pair of slide grooves (91) fixed to the inner surface of the outer shell (1), a slider (92) is slidably connected inside the slide groove (91), and the other end of the slider (92) is fixedly connected to the surface of the connecting rod (93).

7. The thenar palm print collection device according to claim 5, characterized in that: A soft cushion (10) is provided at the upper end of the placement plate (94).

8. The thenar palm print collection device according to claim 1, characterized in that: A polarizing plate (11) is fixedly connected to the lower end of the surface of the camera (5).

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