Portable folding palmprint recognition equipment

Abstract

The invention discloses a portable folding palmprint identification device, and relates to the technical field of palmprint identification, the portable folding palmprint identification device comprises a palmprint identification main body and a baffle plate, the front side of the palmprint identification main body is provided with a palmprint identification area, and an external groove is installed outside the palmprint identification area; a positioning assembly used for assisting in finger position positioning is arranged in the external groove in a clamped mode. According to the portable folding palmprint recognition equipment, the hollow circular-truncated-cone-shaped corrugated cover is arranged outside the palmprint recognition area, external stray light interference can be effectively blocked, a stable light environment is provided for palmprint recognition, the influence of light refraction on the recognition sensor is avoided, the rapidity and accuracy of the recognition process are guaranteed, and meanwhile the portable folding palmprint recognition equipment is convenient to use. The arc-shaped finger groove is formed in the positioning disc clamped to the end of the corrugated cover, the user can be guided to accurately place the fingers at the designated position, it is guaranteed that the palm is in the optimal recognition posture all the time, the problem of recognition failure or repeated recognition caused by palm placement deviation is greatly solved, and the recognition efficiency is further improved.

Description

A portable foldable palmprint recognition device Technical Field

[0001] This invention relates to the field of palmprint recognition technology, specifically a portable foldable palmprint recognition device. Background Technology

[0002] With the rapid development of biometric technology, palmprint recognition has been widely used in various scenarios such as security patrol, mobile office, and outdoor operations due to its advantages such as uniqueness, stability, and ease of collection. Existing palmprint recognition devices are mostly divided into two categories: fixed and portable. Among them, portable palmprint recognition devices have become one of the mainstream development directions in the market because they are suitable for mobile scenarios.

[0003] However, existing portable foldable palmprint recognition devices are greatly affected by external light interference. Most portable palmprint recognition devices do not have a dedicated light-shielding structure, and are easily affected by ambient light during the recognition process, resulting in decreased recognition accuracy, increased recognition time, inaccurate palm positioning, lack of effective positioning guidance structure, and large deviations in the user's palm placement posture, which easily leads to recognition failure or repeated recognition. Summary of the Invention

[0004] The purpose of this invention is to provide a portable foldable palmprint recognition device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a portable foldable palmprint recognition device, comprising a palmprint recognition main body and a shielding plate. The palmprint recognition main body has a palmprint recognition area on its front side, and an external slot is installed on the outside of the palmprint recognition area. A positioning component for assisting finger positioning is engaged inside the external slot. The positioning component includes a corrugated cover, a slot, a positioning disk, and a finger groove. A slot is opened at one end of the corrugated cover, and the positioning disk is engaged with the corrugated cover through the slot. A finger groove is opened inside the positioning disk. Damping shafts are installed on both the left and right sides of the palmprint recognition main body, and a connecting plate is provided at the end of the damping shaft. The shielding plate is disposed on one side of the connecting plate.

[0006] Furthermore, a front cover is provided on one outer surface of the shield, and an auxiliary component for carrying is installed on the other outer side of the shield.

[0007] Furthermore, the auxiliary component includes a rear cover, an auxiliary groove, and a rubber strip. The shield has an internal groove, and a rubber strip is installed inside the internal groove. The end of the rubber strip is connected to the rear cover, and an auxiliary groove is provided inside the rubber strip.

[0008] Furthermore, the rear cover is snapped into the interior of the built-in slot, and the front cover and the rear cover have the same shape.

[0009] Furthermore, the shape and structure of the front cover and the rear cover are consistent with the shape and structure of the palm print recognition main body, and the front cover and the rear cover are in the form of a "U" shape.

[0010] Furthermore, the shielding plate is provided with a fixing component for assisting in fixing the palm print recognition subject. The fixing component includes a fixing groove, a fixing plate and a threaded rod. The fixing groove is provided with a fixing plate, and the threaded rod is rotatably installed on the top of the fixing plate and is threadedly connected to the shielding plate.

[0011] Furthermore, the fixing plate is slidably disposed inside the shielding plate, and the shielding plate and the front cover are integrated into one structure.

[0012] Furthermore, the corrugated cover has a hollow frustum-shaped structure, and the finger groove has an arc-shaped structure.

[0013] This invention provides a portable foldable palmprint recognition device with the following advantages: 1. By setting a hollow frustum-shaped corrugated cover outside the palmprint recognition area, this invention can effectively block external stray light interference, provide a stable light environment for palmprint recognition, avoid the influence of light refraction on the recognition sensor, and ensure the speed and accuracy of the recognition process. At the same time, the positioning plate at the end of the corrugated cover has an arc-shaped finger groove, which can guide the user to accurately place the finger in the designated position, ensuring that the palm is always in the best recognition posture, greatly reducing the recognition failure or repeated recognition problems caused by palm placement deviation, further improving recognition efficiency, and is suitable for high-frequency and high-precision recognition scenarios.

[0014] 2. This invention adopts a folding structure with a damping pivot and a connecting plate. The shield can rotate and fold around the palm print recognition body, and the corrugated cover is made of a retractable corrugated tube material. During the folding process, the shield can push the corrugated cover to shrink, which greatly reduces the overall size of the device and makes it easy to store in small spaces such as pockets and backpacks. In addition, the rubber band of the auxiliary component can be pulled out from the built-in groove of the shield and used to cover the outside of the device using its elasticity. The user's arm can pass through the auxiliary groove of the rubber band to carry it with them. Compared with traditional palm print recognition devices, there is no need to equip an additional storage box, making the carrying method more flexible.

[0015] 3. In the folded state, the U-shaped front and rear covers of this invention can completely fit the outer surface of the palm print recognition body, forming a protective structure. This effectively blocks dust, water stains, and impacts from damaging the core palm print recognition area and internal components of the device. At the same time, the fixing components inside the shielding plate can drive the fixing plate to slide by rotating the threaded rod, which can assist in fixing the palm print recognition body when the device is unfolded, preventing the device from shaking or shifting during use and ensuring the stability of the recognition operation. The telescopic design of the corrugated cover does not affect folding and storage, and can provide secondary protection for the palm print recognition area when unfolded, further extending the service life of the device. Attached Figure Description

[0016] Figure 1 is a schematic diagram of the structure of a portable foldable palmprint recognition device of the present invention in a rotated state; Figure 2 is a schematic diagram of the structure of a portable foldable palmprint recognition device of the present invention in a non-rotated state; Figure 3 is a schematic diagram of the structure of the auxiliary components and the shielding plate of the portable foldable palmprint recognition device of the present invention when unfolded; Figure 4 is a schematic diagram of the structure of the positioning component of the portable foldable palmprint recognition device of the present invention; Figure 5 is a schematic diagram of the structure of the fixing component of the portable foldable palmprint recognition device of the present invention. In the figures: 1. Palmprint recognition body; 2. Connecting plate; 3. Damping shaft; 4. Shielding plate; 5. Front cover; 6. Internal groove; 7. Auxiliary component; 701. Rear cover; 702. Auxiliary groove; 703. Rubber belt; 8. Palmprint recognition area; 9. External groove; 10. Positioning component; 1001. Corrugated cover; 1002. Slot; 1003. Positioning plate; 1004. Finger groove; 11. Fixing component; 1101. Fixing groove; 1102. Fixing plate; 1103. Threaded rod. Detailed Implementation

[0017] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.

[0018] As shown in Figures 1-5, a portable foldable palmprint recognition device includes a palmprint recognition body 1, a connecting plate 2, a damping pivot 3, a shielding plate 4, a front cover 5, an internal groove 6, an auxiliary component 7, a rear cover 701, an auxiliary groove 702, a rubber band 703, a palmprint recognition area 8, an external groove 9, a positioning component 10, a corrugated cover 1001, a card slot 1002, a positioning plate 1003, a finger groove 1004, a fixing component 11, a fixing groove 1101, a fixing plate 1102, and a threaded rod 1103. The front side of the palmprint recognition body 1 is provided with... The device includes a palmprint recognition area 8, and an external slot 9 is installed on the outside of the palmprint recognition area 8. A positioning component 10 for assisting finger positioning is engaged inside the external slot 9. The positioning component 10 includes a corrugated cover 1001, a slot 1002, a positioning plate 1003, and a finger groove 1004. The corrugated cover 1001 has a slot 1002 at one end, and the positioning plate 1003 is engaged with the corrugated cover 1001 through the slot 1002. The positioning plate 1003 has a finger groove 1004 inside. The palmprint recognition body 1 has a positioning component 1004 on both the left and right sides. The device is equipped with a damping shaft 3, and a connecting plate 2 is provided at the end of the damping shaft 3. A shielding plate 4 is provided on one side of the connecting plate 2. The corrugated cover 1001 is located outside the palm print recognition area 8. When the user performs palm print recognition, the design of the corrugated cover 1001 can block external light to ensure fast palm print recognition. The material of the corrugated cover 1001 is the same as that of the corrugated pipe structure, and it has extensibility. When the shielding plate 4 is rotated using the connecting plate 2 and the damping shaft 3, the shielding plate 4 acts on the corrugated cover 1001. At one end, as the shield 4 moves and covers the front of the palmprint recognition body 1, the corrugated cover 1001 is in a retracted state, which makes it easy for the user to quickly store and carry the palmprint recognition body 1. At the same time, it can also store and protect the palmprint recognition body 1. In addition, the finger groove 1004 in the positioning disk 1003 is designed to engage at the end of the corrugated cover 1001, so that when the user performs palmprint recognition, the fingers are in the finger groove 1004, which is conducive to the palm being in the best recognition position during palmprint recognition, ensuring palmprint recognition efficiency.

[0019] As shown in Figures 1, 2, and 3, a front cover 5 is provided on one outer surface of the shield 4, and an auxiliary component 7 for carrying is installed on the other outer side of the shield 4. The shape and structure of the front cover 5 and the rear cover 701 match the shape and structure of the palm print recognition body 1, and the front cover 5 and the rear cover 701 have a "U" shape structure. When the shield 4 is rotated to the rear side of the palm print recognition body 1 by using the connecting plate 2 and the damping shaft 3, the user can manually pull it to stop the rear cover 701 from engaging with the internal groove 6. Continuous pulling causes the rubber band 703 to be pulled out of the internal groove 6, utilizing the elasticity of the rubber band 703. The design allows the rubber band 703 to be stretched and covered on the outside of the palm print recognition body 1. At the same time, the user's arm can pass through the auxiliary groove 702 through the inside of the rubber band 703, which is convenient for the user to carry quickly. The auxiliary component 7 includes a rear cover 701, an auxiliary groove 702 and a rubber band 703. The cover plate 4 has an internal groove 6, and the rubber band 703 is installed inside the internal groove 6. The end of the rubber band 703 is connected to the rear cover 701, and the auxiliary groove 702 is opened inside the rubber band 703. The rear cover 701 is snapped into the internal groove 6, and the front cover 5 and the rear cover 701 have the same shape.

[0020] As shown in Figures 1 and 5, the interior of the shielding plate 4 is provided with a fixing component 11 for assisting in fixing the palmprint recognition subject 1. The fixing component 11 includes a fixing groove 1101, a fixing plate 1102, and a threaded rod 1103. The fixing plate 1102 is disposed inside the fixing groove 1101. The threaded rod 1103 is rotatably mounted on the top of the fixing plate 1102 and is threadedly connected to the shielding plate 4. If there is a risk of shaking during the recognition process, the entire palmprint recognition subject 1 can be fixed. The threaded rod 1103 of the fixing component 11 inside the shielding plate 4 can be rotated to drive the fixing plate 1102 to slide along the fixing groove 1101, thereby assisting in fixing the palmprint recognition subject 1 and ensuring recognition stability.

[0021] In summary, according to the structure shown in Figures 1-5, the portable foldable palmprint recognition device first undergoes a recognition preparation stage. The user can rotate and open the cover plate 4 covering the front of the device by cooperating with the damping pivots 3 on both sides of the palmprint recognition body 1 and the connecting plate 2. At this time, the corrugated cover 1001, which is in contact with one end of the cover plate 4, is released from compression due to the separation of the cover plate 4 and can be naturally unfolded by pulling, utilizing its telescopic characteristics, until it completely covers the outside of the palmprint recognition area 8. The user can then place their finger on the cover plate. The finger should be placed in the arc-shaped groove 1004 of the positioning plate 1003. The positioning plate 1003 is engaged and fixed with the corrugated cover 1001 through the slot 1002, which can quickly guide the palm to the optimal recognition posture. At the same time, the hollow frustum-shaped structure of the corrugated cover 1001 can effectively block external stray light, providing a stable light environment for the palmprint recognition area 8. The next step is the recognition stage. With the assistance of the positioning component 10 and the light protection of the corrugated cover 1001, the palmprint recognition area 8 accurately collects palmprint information and completes the recognition. If during the recognition process... The device is prone to shaking. The threaded rod 1103 of the internal fixing component 11 of the rotatable shield 4 drives the fixing plate 1102 to slide along the fixing groove 1101, providing auxiliary fixation for the palmprint recognition body 1 and ensuring recognition stability. Finally, during the storage and carrying stage, after recognition, the shield 4 is rotated again via the damping shaft 3 and connecting plate 2, gradually covering the front of the palmprint recognition body 1. During this process, the shield 4 compresses the corrugated cover 1001 to shrink it until the shield 4 completely fits the device. If it needs to be carried by hand... The rear cover 701 can be manually pulled to disengage it from the built-in groove 6 of the shield 4, and the rubber band 703 can be pulled out from the built-in groove 6. The elasticity of the rubber band 703 is used to cover the outside of the device. The user can hang and carry the device by passing their arm through the auxiliary groove 702 of the rubber band 703. In the folded state, both the front cover 5, which is integrated with the shield 4, and the rear cover 701, which is engaged in the built-in groove 6, are "U"-shaped and match the shape of the palm print recognition body 1 to form a protective structure that protects the core components of the device.

[0022] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and to design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A portable foldable palmprint recognition device, comprising a palmprint recognition body (1) and a shielding plate (4), characterized in that, The palmprint recognition body (1) has a palmprint recognition area (8) on its front side, and an external groove (9) is installed on the outside of the palmprint recognition area (8). The external groove (9) is fitted with a positioning component (10) for assisting finger positioning. The positioning component (10) includes a corrugated cover (1001), a slot (1002), a positioning disk (1003), and a finger groove (1004). The corrugated cover (1001) has a slot (1002) at one end, and the corrugated cover (1001) is fitted with the positioning disk (1003) through the slot (1002). The positioning disk (1003) has a finger groove (1004) inside. The palmprint recognition body (1) has damping shafts (3) installed on both the left and right sides, and a connecting plate (2) is provided at the end of the damping shaft (3). The shield (4) is located on one side of the connecting plate (2).

2. The portable foldable palmprint recognition device according to claim 1, characterized in that, A front cover (5) is provided on one outer surface of the shield (4), and an auxiliary component (7) for carrying is installed on the other outer side of the shield (4).

3. A portable foldable palmprint recognition device according to claim 2, characterized in that, The auxiliary component (7) includes a rear cover (701), an auxiliary groove (702) and a rubber strip (703). The baffle plate (4) has an internal groove (6) and a rubber strip (703) is installed inside the internal groove (6). The end of the rubber strip (703) is connected to the rear cover (701) and the auxiliary groove (702) is opened inside the rubber strip (703).

4. A portable foldable palmprint recognition device according to claim 3, characterized in that, The rear cover (701) is engaged inside the built-in groove (6), and the front cover (5) and the rear cover (701) have the same shape.

5. A portable foldable palmprint recognition device according to claim 4, characterized in that, The shape and structure of the front cover (5) and the rear cover (701) match the shape and structure of the palm print recognition body (1), and the front cover (5) and the rear cover (701) are in a "U" shape.

6. A portable foldable palmprint recognition device according to claim 5, characterized in that, The shield (4) is provided with a fixing component (11) for assisting in fixing the palm print recognition subject (1). The fixing component (11) includes a fixing groove (1101), a fixing plate (1102) and a threaded rod (1103). The fixing groove (1101) is provided with a fixing plate (1102). The top of the fixing plate (1102) is rotatably mounted with a threaded rod (1103), and the threaded rod (1103) is threadedly connected to the shield (4).

7. A portable foldable palmprint recognition device according to claim 6, characterized in that, The fixing plate (1102) is slidably disposed inside the shielding plate (4), and the shielding plate (4) and the front cover (5) are integrated.

8. A portable foldable palmprint recognition device according to claim 7, characterized in that, The corrugated cover (1001) has a hollow frustum structure, and the finger groove (1004) has an arc-shaped structure.

9. A portable foldable palmprint recognition device according to claim 8, characterized in that, The operation method is as follows: By cooperating with the damping shafts (3) on the left and right sides of the palmprint recognition body (1) and the connecting plate (2), the shield (4) covering the front of the device is rotated open. At this time, the corrugated cover (1001) that is in contact with one end of the shield (4) is released from compression due to the separation of the shield (4). It is naturally unfolded by pulling and utilizing its telescopic characteristics until it completely covers the outside of the palmprint recognition area (8). The user places his finger into the arc-shaped finger groove (1004) of the positioning plate (1003). The positioning plate (1004) opens and closes. 3) By engaging and fixing the slot (1002) with the corrugated cover (1001), the palm can be quickly guided to the optimal recognition posture. At the same time, the hollow frustum structure of the corrugated cover (1001) can effectively block external stray light, providing a stable light environment for the palm print recognition area (8). Next is the recognition stage. With the auxiliary positioning of the positioning component (10) and the light protection of the corrugated cover (1001), the palm print recognition area (8) accurately collects palm print information and completes the recognition. If there is a risk of shaking during the recognition process, the cover can be rotated. The threaded rod (1103) of the internal fixing component (11) of the baffle (4) drives the fixing plate (1102) to slide along the fixing groove (1101) to assist in fixing the palm print recognition body (1) and ensure recognition stability. Finally, in the storage and carrying stage, after recognition is completed, the baffle (4) is rotated again through the damping shaft (3) and the connecting plate (2) to gradually cover the front of the palm print recognition body (1). During this process, the baffle (4) squeezes the corrugated cover (1001) to shrink it until the baffle (4) is completely covered. Fit the device; if you need to carry it with you, you can manually pull the rear cover (701) to release it from the built-in groove (6) of the shield (4), and pull the rubber strip (703) out from the built-in groove (6). Use the elasticity of the rubber strip (703) to cover the outside of the device. The user can hang it by passing his arm through the auxiliary groove (702) of the rubber strip (703). In the folded state, the front cover (5) integrated with the shield (4) and the rear cover (701) locked in the built-in groove (6) are both "U" shaped and match the shape of the palm print recognition body (1) to form a protective structure to protect the core components of the device.

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