Intelligent lock for intravenous line

Abstract

The present application relates to the technical field of intelligent lock, especially to a vein intelligent lock, which comprises a mounting shell and a lock shell, the mounting shell and the lock shell are fixedly connected through a connecting shell, a camera and a key panel are installed on the front side of the lock shell; the vein recognition module in the vein intelligent lock is arranged in a movable moving block, and a C-shaped plate is arranged, which can shield the vein recognition module and the finger by the extended C-shaped plate during recognition, avoiding the interference of ambient light on the vein recognition and affecting the recognition response speed; meanwhile, a rotatable wrapping shell is arranged on the lock shell, and a sponge pad is arranged inside the wrapping shell to clean the surface of the finger before unlocking, avoiding the influence of the dirt attached to the finger on the recognition; a heating plate is further arranged, which can discharge the heated air into the space where the finger is through the channel and the exhaust hole, having a certain warming effect on the finger, avoiding the problem of recognition failure caused by vein contraction.

Description

Technical Field

[0001] This invention relates to the field of smart lock technology, and in particular to a vein smart lock. Background Technology

[0002] Most smart locks use fingerprint sensors, but due to fingerprint recognition issues, there are significant problems with fingerprint recognition for the elderly and children. One reason is that their fingerprints are aging and becoming faint, and the other is that their fingerprints grow and change rapidly, which leads to a large problem with fingerprint recognition. Therefore, vein smart locks have emerged.

[0003] Vein recognition is a novel infrared biometric technology that identifies individuals based on the texture features of veins. It utilizes the absorption of specific near-infrared rays by deoxygenated hemoglobin in venous blood. By illuminating fingers and palms with near-infrared light, an infrared camera of the corresponding wavelength captures the distribution of veins within the fingers and palms. After a series of processing steps, including normalization, features are extracted for identification. However, this method has the following limitations:

[0004] 1. Strong ambient light, such as sunlight, can interfere with near-infrared images to varying degrees, thus affecting the authentication pass rate of vein recognition;

[0005] 2. When the temperature of the fingers or palms is low, the veins constrict and become thinner, resulting in less vein information being captured, which affects the extraction of comparison features. Summary of the Invention

[0006] To address the shortcomings of existing technologies, the present invention is achieved through the following technical solution: a vein smart lock, comprising a mounting shell and a lock shell, wherein the mounting shell and the lock shell are fixedly connected by a connecting shell, a camera and a button panel are mounted on the front side of the lock shell, and a slot with an opening to the right is provided on the rear side of the lock shell, and a groove is provided in the front wall of the slot, wherein a moving block is slidably connected in the groove, and a vein recognition module is installed in the moving block;

[0007] Four reset springs are fixedly connected between the front side of the movable block and the rear wall of the groove.

[0008] As a further optimization of this technical solution, a C-shaped groove is provided on the rear wall of the lock housing outside the slot, and a C-shaped plate is slidably connected in the C-shaped groove.

[0009] As a further optimization of this technical solution, the C-shaped groove surrounds the recess.

[0010] As a further optimization of this technical solution, a first rack is fixedly provided on the upper and lower sides of the moving block, and a second rack is fixedly provided on the upper and lower sides of the C-shaped plate. The C-shaped groove and the recess are connected by a connecting groove. A gear is rotatably connected in the connecting groove, and the gear meshes with the second rack and the first rack.

[0011] As a further optimization of this technical solution, a fixing rod is fixedly provided at the opening on the right side of the slot, and a wrapping shell is rotatably connected to the fixing rod. The wrapping shell has a rearward-facing installation cavity with an opening on the right side. A sponge pad is placed inside the installation cavity, and a locking shell is detachably connected to the wrapping shell.

[0012] As a further optimization of this technical solution, the outer shell and the slotted sidewall are fixedly connected by a coil spring.

[0013] As a further optimization of this technical solution, the wrapping shell and the locking shell are snapped together.

[0014] As a further optimization of this technical solution, a fixed shell is fixedly provided on the front side of the mounting shell, a mating groove with an opening facing forward is provided inside the fixed shell, a heating chamber is provided inside the fixed shell, a heating plate is fixedly provided on the rear wall of the heating chamber, and a plurality of exhaust holes are provided on the front side of the fixed shell, and the exhaust holes are connected to the heating chamber through a channel.

[0015] As a further optimization of this technical solution, the mating groove and the C-shaped groove are vertically aligned, and the mating groove is slidably connected to the C-shaped plate.

[0016] Based on existing technology, the present invention provides a vein smart lock, which has the following beneficial effects:

[0017] The vein recognition module inside the vein smart lock is set in a movable block and is equipped with a C-shaped plate. The C-shaped plate is moved by the movement of the movable block using the cooperation of rack and pinion. During recognition, the extended C-shaped plate can block the vein recognition module and the finger, avoiding interference from external ambient light and affecting the recognition response speed.

[0018] At the same time, a rotatable cover is set on the lock shell, and a sponge pad is set inside the cover to clean the surface of the finger before unlocking, so as to avoid dirt on the finger affecting recognition.

[0019] It is also equipped with a heating plate, which can expel heated air into the space where the fingers are located through the channel and exhaust hole, so as to keep the fingers warm and avoid the problem of not being able to recognize them due to venous constriction. Attached Figure Description

[0020] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of a vein smart lock according to the present invention;

[0022] Figure 2 This is a schematic diagram of the appearance of the invention from another direction;

[0023] Figure 3 This is the present invention. Figure 1 Rear view of the central locking case;

[0024] Figure 4 This is the present invention. Figure 3 Schematic diagram of the moving block;

[0025] Figure 5 This is the present invention. Figure 4 A schematic diagram of the structure viewed from below;

[0026] Figure 6 This is the present invention. Figure 3 A schematic diagram of the central slot at point 123;

[0027] Figure 7 This is the present invention. Figure 3 A schematic diagram of the inner encapsulation shell;

[0028] Figure 8 This is the present invention. Figure 7 A partially enlarged schematic diagram of the inner encapsulation shell;

[0029] Figure 9 This is the present invention. Figure 8 A schematic diagram of the inner shell from another direction;

[0030] Figure 10 This is the present invention. Figure 2 A schematic diagram of the moving block;

[0031] Figure 11 This is the present invention. Figure 10 A schematic diagram of the internal structure of the moving block. Detailed Implementation

[0032] In the description of this invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the purpose of simplifying the description of this invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. The invention will be further described below with reference to embodiments:

[0033] Please see Figure 1 one Figure 11 The present invention provides a vein smart lock, including a mounting shell 112 and a lock shell 111. The mounting shell 112 and the lock shell 111 are fixedly connected by a connecting shell 113. A camera 114 and a button panel 115 are mounted on the front side of the lock shell 111. The rear side of the lock shell 111 is provided with a slot 123 with an opening to the right. A groove 124 is provided in the front wall of the slot 123. A moving block 118 is slidably connected in the groove 124. A vein recognition module 136 is installed in the moving block 118.

[0034] Four return springs 122 are fixedly connected between the front side of the movable block 118 and the rear wall of the groove 124.

[0035] The rear wall of the lock housing 111 outside the slot 123 is provided with a C-shaped groove 125, and a C-shaped plate 117 is slidably connected in the C-shaped groove 125. After the C-shaped plate 117 moves out of the C-shaped groove 125, it forms a shield.

[0036] The C-shaped groove 125 surrounds the groove 124, and the C-shaped plate 117, which moves outside the C-shaped groove 125, can block the moving block 118 inside the groove 124.

[0037] The movable block 118 has a first rack 121 fixedly mounted on its upper and lower sides, and the C-shaped plate 117 has a second rack 120 fixedly mounted on its upper and lower sides. The C-shaped groove 125 and the recess 124 are connected by a connecting groove 126. A gear 127 is rotatably connected in the connecting groove 126. The gear 127 meshes with the second rack 120 and the first rack 121. When the movable block 118 moves back and forth, it will drive the first rack 121 to move back and forth. When the first rack 121 moves, it will drive the gear 127 to start rotating, thereby driving the second rack 120 to move. The second rack 120 drives the C-shaped plate 117 to move.

[0038] A fixing rod 128 is fixedly installed at the right opening of the slot 123. A wrapping shell 119 is rotatably connected to the fixing rod 128. The wrapping shell 119 has a rearward-facing mounting cavity 130 with an opening on the right side. A sponge pad 137 is placed inside the mounting cavity 130. A locking shell 131 is detachably connected to the wrapping shell 119. After removing the locking shell 131, the sponge pad 137 inside the mounting cavity 130 can be taken out and replaced. The sponge pad 137 can clean the fingers.

[0039] The packaging shell 119 is fixedly connected to the side wall of the slot 123 by a coil spring 129, which drives the packaging shell 119 to rotate and reset.

[0040] The packaging shell 119 is snapped together with the locking shell 131, which facilitates the separation of the packaging shell 119 and the locking shell 131.

[0041] The mounting shell 112 has a fixed shell 116 fixedly mounted on its front side. The fixed shell 116 has a mating groove 132 with an opening facing forward. The fixed shell 116 has a heating chamber 134. The heating chamber 134 has a heating plate 135 fixedly mounted on its rear wall. The fixed shell 116 has a plurality of exhaust holes 133 on its front side. The exhaust holes 133 are connected to the heating chamber 134 through a channel. The air heated by the heating plate 135 after it is working is discharged through the channel and the exhaust holes 133.

[0042] The mating groove 132 is vertically aligned with the C-shaped groove 125, and the mating groove 132 is slidably connected to the C-shaped plate 117, allowing the C-shaped plate 117 to enter the mating groove 132.

[0043] The principle of this invention:

[0044] When unlocking is required, the palm is inserted between the mounting shell 112 and the lock shell 111. During the insertion process, the fingers first contact the cover shell 119, causing the cover shell 119 to rotate as the palm moves, and the fingers will slide across the surface of the sponge pad 137 to clean the surface of the fingers through the sponge pad 137.

[0045] Then, pressing the finger on the movable block 118 causes it to move forward into the groove 124, which in turn causes the first rack 121 to move forward and the gear 127 to rotate. After the gear 127 rotates, it causes the second rack 120 to move backward. The second rack 120 causes the C-shaped plate 117 to move backward. The finger is pressed until the movable block 118 is flush with the surface of the groove 123, and then the movement stops. At this time, the C-shaped plate 117 enters the mating groove 132, covering and shielding the finger and the vein recognition module 136.

[0046] At the same time, the heated air from the heating plate 135 is discharged into the space where the fingers are located through the channel and the exhaust hole 133. Because it is wrapped by the C-shaped plate 117, it provides a certain degree of warmth to the fingers.

[0047] After unlocking, the palm is withdrawn. Due to the lack of finger pressure, the moving block 118 moves backward to reset under the action of the reset spring 122. The C-shaped plate 117 moves to reset through the first rack 121, gear 127 and second rack 120. At the same time, the coil spring 129 drives the casing 119 to rotate to reset.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Without departing from the spirit or basic characteristics of the invention, various changes and modifications can be made, not only in other specific forms, but also within the protection scope of the present invention. The protection scheme of the present invention is defined by the appended claims.

Claims

1. A vein smart lock, comprising a mounting shell (112) and a lock shell (111), wherein the mounting shell (112) and the lock shell (111) are fixedly connected by a connecting shell (113), and a camera (114) and a button panel (115) are mounted on the front side of the lock shell (111), characterized in that: The lock housing (111) has a slot (123) with an opening to the right on the rear side. The front wall of the slot (123) is connected to a groove (124). A movable block (118) is slidably connected in the groove (124). A vein recognition module (136) is installed in the movable block (118). Four return springs (122) are fixedly connected between the front side of the movable block (118) and the rear wall of the groove (124). A C-shaped groove (125) is provided on the rear wall of the lock housing (111) outside the slot (123), and a C-shaped plate (117) is slidably connected in the C-shaped groove (125). The moving block (118) has a first rack (121) fixed on its upper and lower sides, and the C-shaped plate (117) has a second rack (120) fixed on its upper and lower sides. The C-shaped groove (125) and the groove (124) are connected by a connecting groove (126). A gear (127) is rotatably connected in the connecting groove (126). The gear (127) meshes with the second rack (120) and the first rack (121). The mounting housing (112) has a fixed housing (116) fixed on its front side. The fixed housing (116) has a mating groove (132) with an opening facing forward. The fixed housing (116) has a heating chamber (134) inside. The heating chamber (134) has a heating plate (135) fixed on its rear wall. The fixed housing (116) has multiple exhaust holes (133) on its front side. The exhaust holes (133) are connected to the heating chamber (134) through a channel.

2. A vein smart lock according to claim 1, characterized in that: The C-shaped groove (125) surrounds the recess (124).

3. A vein smart lock according to claim 1, characterized in that: A fixing rod (128) is fixedly provided at the opening on the right side of the slot (123). A wrapping shell (119) is rotatably connected to the fixing rod (128). The wrapping shell (119) has a rearward-facing mounting cavity (130). The mounting cavity (130) has an opening on the right side. A sponge pad (137) is placed in the mounting cavity (130). A locking shell (131) is detachably connected to the wrapping shell (119).

4. A vein smart lock according to claim 3, characterized in that: The outer shell (119) is fixedly connected to the side wall of the slot (123) by a coil spring (129).

5. A vein smart lock according to claim 3, characterized in that: The packaging shell (119) is snapped together with the locking shell (131).

6. A vein smart lock according to claim 1, characterized in that: The mating groove (132) and the C-shaped groove (125) are vertically corresponding, and the mating groove (132) is slidably connected to the C-shaped plate (117).

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