Fingerprint identification assembly and intelligent door lock

Abstract

The invention discloses a fingerprint identification assembly and an intelligent door lock, relates to the technical field of fingerprint identification, and aims to solve the technical problem that the accuracy of subsequent identification may be influenced by fingerprint traces, the fingerprint identification assembly comprises an intelligent door lock body, and a coded lock is fixedly arranged at the top of one side of the intelligent door lock body; a fingerprint identifier is fixedly connected into the intelligent door lock body, a cleaning mechanism is fixedly arranged in a fingerprint induction area on the fingerprint identifier, and the cleaning mechanism comprises two movable grooves and a cleaning unit. According to the device, acting force is applied to an extrusion cylinder through a cleaning mechanism and a clamping plate, so that cleaning liquid in the extrusion cylinder is sprayed out from a spray head, a fingerprint input port is wiped through cleaning cloth, fingerprint marks on the surface are removed, and the surface of the fingerprint input port and the surface of a coded lock are wiped through a cleaning unit; and dust is prevented from being accumulated on the surface for a long time to influence normal use of the fingerprint identifier, so that the service life of the device is prolonged and the fingerprint identification accuracy is improved.

Description

Technical Field

[0001] The present invention relates to the field of fingerprint recognition technology, and more specifically, to a fingerprint recognition component and a smart door lock. Background Art

[0002] Smart door locks are a new type of door lock that integrates electronic technology on the basis of traditional mechanical door locks. In addition to the basic lock cylinder and lock body structure for mechanical locking, it is also equipped with an electronic control unit, power module, communication module and a variety of identity recognition components, among which the fingerprint recognition component is one of the important identity recognition methods; the main function of the smart door lock is to control the opening and closing of the door, and it can provide users with convenient and safe access management through different authorization methods.

[0003] Currently, when the fingerprint reader is used for a long time, there will be a large number of fingerprint marks on the surface of the fingerprint entry port, resulting in the fingerprint marks affecting the accuracy of subsequent recognition when entering the fingerprint. In view of this, we propose a fingerprint recognition component and a smart door lock. Summary of the invention

[0004] The purpose of the present invention is to provide a fingerprint recognition component and a smart door lock to solve the technical problem that fingerprint traces may affect the accuracy of subsequent recognition.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a fingerprint recognition component and a smart door lock, comprising a smart door lock body, a password lock is fixedly arranged on the top of one side of the smart door lock body, a fingerprint identifier is fixedly connected inside the smart door lock body, and a cleaning mechanism is fixedly arranged inside the fingerprint sensing area on the fingerprint identifier;

[0006] The cleaning mechanism comprises two movable grooves and a cleaning unit; the two movable grooves are symmetrically arranged on the inner wall at the top of the fingerprint sensing area, the inner walls on both sides of the two fingerprint sensing areas are respectively movably connected with the first telescopic rod through the first pin, the side surfaces of the two first telescopic rods are movably sleeved with the first tension spring, the output ends of the two first telescopic rods are respectively movably connected with a clamping plate through the second pin, the two clamping plates are commonly fixedly connected with a cleaning cloth on the opposite sides, the inner walls of the two clamping plates are respectively fixed with a fixing unit, and the bottoms of the two clamping plates are movably provided with a flushing unit. The present invention applies a force to the extrusion cylinder through the clamping plate through the cleaning mechanism, so that the cleaning liquid inside the extrusion cylinder is sprayed out from the nozzle, and the fingerprint entry port is wiped through the cleaning cloth to remove the fingerprint traces on the surface, and the surface of the fingerprint entry port and the surface of the password lock are wiped through the cleaning unit to prevent dust from accumulating on the surface for a long time, affecting the normal use of the fingerprint identifier, which is beneficial to improving the service life of the device and the accuracy of fingerprint recognition.

[0007] Preferably, the fixing unit comprises four through holes, and every two of the through holes are opened at the top of the clamping plate. A first bolt is fixedly sleeved inside each of the through holes, and the first bolt passes through the cleaning cloth.

[0008] Preferably, a first nut is movably sleeved on the top of each of the first bolts, and the first bolt and the first nut are threadably matched.

[0009] Preferably, the flushing unit includes two movable rods, which are movably connected to the inner walls on both sides of the fingerprint sensing area respectively, and the two movable rods are commonly fixedly connected to an extrusion cylinder at one opposite end, and the extrusion cylinder is in movably contact with the splint, and the side surface of the extrusion cylinder is fixedly connected to a nozzle.

[0010] Preferably, the clearing unit includes two slide grooves, which are respectively opened on both sides of the smart door lock body. A protective cover is slidably connected to one side of the smart door lock body, and the inner walls on both sides of the protective cover are slidably connected to the inside of the slide groove through a first slider.

[0011] Preferably, the inner walls on both sides of the protective cover are movably connected with adhesive cylinders through the first insertion rod, and the adhesive cylinders are in movably contact with the password lock, and a wiping unit is provided on one side of the protective cover.

[0012] Preferably, the wiping unit includes a hole, the hole is opened on one side of the protective cover, a transmission rod is movably sleeved inside the hole, and the transmission rod passes through the protective cover, and a transmission box is fixedly connected to the other side of the protective cover, and the transmission rod is movably sleeved inside the transmission box.

[0013] Preferably, a first coil spring is movably connected inside the transmission box, and one end of the first coil spring is fixedly connected to the transmission rod, and a sponge is fixedly connected to one end of the transmission rod close to the smart door lock body, and the sponge is movably in contact with the fingerprint sensing area. The present invention arranges a sponge and rotates on the surface of the fingerprint input end to achieve the input end surface cleaning function, and the adhesive tube is in movably contact with the surface of the password lock to erase the fingerprint traces on the surface, thereby avoiding fingerprint traces on the password lock and causing password leakage, which is beneficial to improving the security of the device.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention applies force to the extrusion cylinder through the cleaning mechanism and the clamping plate, so that the cleaning liquid inside the extrusion cylinder is sprayed out from the nozzle, and the fingerprint entry port is wiped by the cleaning cloth to remove the fingerprint traces on the surface, and the surface of the fingerprint entry port and the surface of the password lock are wiped through the cleaning unit to prevent dust from accumulating on the surface for a long time and affecting the normal use of the fingerprint identifier, which is beneficial to improving the service life of the device and the accuracy of fingerprint recognition.

[0016] 2. The present invention realizes the function of cleaning the surface of the input end by setting a sponge to rotate on the surface of the fingerprint input end, and the fingerprint traces on the surface can be wiped off by the sticky tube moving in contact with the surface of the password lock, thereby avoiding fingerprint traces on the password lock and causing password leakage, which is beneficial to improving the security of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the three-dimensional explosion structure of the present invention;

[0019] Figure 3 For the present invention Figure 2 A is an enlarged structural diagram;

[0020] Figure 4 It is a schematic diagram of a three-dimensional partial structure of the present invention;

[0021] Figure 5 For the present invention Figure 4 The enlarged structural diagram at B in FIG.

[0022] Figure 6 It is a three-dimensional partial enlarged structural schematic diagram of the cleaning unit of the present invention.

[0023] Explanation of the numbers in the figure: 1. Smart door lock body; 101. Password lock; 2. Fingerprint identifier; 3. Cleaning mechanism; 301. Movable groove; 302. First telescopic rod; 303. First tension spring; 304. Clamp; 305. Cleaning cloth; 4. Removal unit; 401. Slide groove; 402. Protective cover; 403. Sticky tube; 5. Fixing unit; 501. Through hole; 502. First bolt; 503. First nut; 6. Flushing unit; 601. Movable rod; 602. Extrusion tube; 603. Spray nozzle; 7. Wiping unit; 701. Hole; 702. Transmission rod; 703. Transmission box; 704. First coil spring; 705. Sponge. DETAILED DESCRIPTION

[0024] like Figures 1 to 6 As shown, the present invention relates to a fingerprint recognition component and a smart door lock, including a smart door lock body 1, a password lock 101 is fixedly arranged on the top of one side of the smart door lock body 1, and a fingerprint identifier 2 is fixedly connected inside the smart door lock body 1. It is worth noting that the fingerprint identifier 2 is a conventional press-type fingerprint identifier in the prior art: the user only needs to place the finger flat on the sensing area of ​​the identifier, and the identifier can obtain a complete fingerprint image at one time. The press-type fingerprint identifier is more convenient to use, has a better user experience, and the recognition speed is usually faster than the sliding type. A cleaning mechanism 3 is fixed inside the fingerprint sensing area on the fingerprint identifier 2;

[0025] The cleaning mechanism 3 includes two movable grooves 301 and a cleaning unit 4; the two movable grooves 301 are symmetrically arranged on the top inner wall of the fingerprint sensing area, the inner walls on both sides of the two fingerprint sensing areas are respectively movably connected with the first telescopic rods 302 through the first latch, the side surfaces of the two first telescopic rods 302 are movably sleeved with the first tension springs 303, the output ends of the two first telescopic rods 302 are respectively movably connected with the clamping plates 304 through the second latch, the opposite sides of the two clamping plates 304 are commonly fixedly connected with the cleaning cloth 305, the inner walls of the two clamping plates 304 are respectively fixed with fixing units 5, and the two A flushing unit 6 is movably provided at the bottom of the splint 304. The present invention applies a force to the extrusion cylinder 602 through the splint 304 through the cleaning mechanism 3, so that the cleaning liquid inside the extrusion cylinder 602 is sprayed out from the nozzle 603, and the fingerprint entry port is wiped through the cleaning cloth 305 to remove the fingerprint traces on the surface, and the surface of the fingerprint entry port and the surface of the password lock 101 are wiped through the cleaning unit 4 to prevent dust from accumulating on their surfaces for a long time and affecting the normal use of the fingerprint identifier 2, which is beneficial to improving the service life of the device and the accuracy of fingerprint recognition.

[0026] In an embodiment of the present invention, the fixing unit 5 includes four through holes 501, and every two through holes 501 are opened at the top of the clamping plate 304. A first bolt 502 is fixedly sleeved inside each through hole 501, and the first bolt 502 passes through the cleaning cloth 305. A first nut 503 is movably sleeved on the top of each first bolt 502, and the first bolt 502 is threadably adapted to the first nut 503.

[0027] In the embodiment of the present invention, the flushing unit 6 includes two movable rods 601, and the two movable rods 601 are respectively movably connected to the inner walls on both sides of the fingerprint sensing area. The two movable rods 601 are fixedly connected to the extrusion cylinder 602 at one opposite end, and the extrusion cylinder 602 is in movably contact with the clamping plate 304. The side surface of the extrusion cylinder 602 is fixedly connected to the nozzle 603. When there is a lot of dust on the surface of the fingerprint collection area on the fingerprint identifier 2 and the fingerprint cannot be recorded normally, the thumb can be placed on the top of the cleaning cloth 305 and pressed downward, wherein the first telescopic rod 302 extends toward the bottom, so that the two clamping plates 304 move downward and tilt at the same time, and the cleaning cloth When the fingerprint collection area on the fingerprint identifier 2 is in contact with the cleaning cloth 305, a force is applied to the cleaning cloth 305 by the thumb, so that the cleaning cloth 305 wipes the surface of the fingerprint entry port. At the same time, when the two clamping plates 304 move downward and tilt, the extrusion cylinder 602 is squeezed to make the cleaning liquid in the extrusion cylinder 602 flow out from the nozzle 603, and the cleaning liquid flows into the fingerprint entry port. The fingerprint entry port is wiped by the cleaning cloth 305 to achieve a tidy effect of the fingerprint entry port. After long-term use, the first nut 503 is removed from the first bolt 502 through the thread, and the cleaning cloth 305 is replaced to increase the service life of the device.

[0028] As another embodiment of the present invention, the clearing unit 4 includes two slide grooves 401, and the two slide grooves 401 are respectively opened on both sides of the smart door lock body 1. A protective cover 402 is slidably connected to one side of the smart door lock body 1, and the inner walls of the two sides of the protective cover 402 are slidably connected to the inside of the slide groove 401 through the first slider. The inner walls of the two sides of the protective cover 402 are movably connected to the adhesive tube 403 through the first plug rod, and the adhesive tube 403 is in active contact with the password lock 101. A wiping unit 7 is provided on one side of the protective cover 402. The present invention realizes the input end surface cleaning processing function by arranging a sponge body 705 and rotating it on the surface of the fingerprint input end. The fingerprint traces on the surface can be erased by the adhesive tube 403 in active contact with the surface of the password lock 101, thereby avoiding fingerprint traces on the password lock 101 and causing password leakage, which is beneficial to improving the security of the device.

[0029] As another embodiment of the present invention, the wiping unit 7 includes a hole 701, the hole 701 is opened on one side of the protective cover 402, a transmission rod 702 is movably sleeved inside the hole 701, and the transmission rod 702 passes through the protective cover 402, and a transmission box 703 is fixedly connected to the other side of the protective cover 402, and the transmission rod 702 is movably sleeved inside the transmission box 703, and a first coil spring 704 is movably connected inside the transmission box 703, and one end of the first coil spring 704 is fixedly connected to the transmission rod 702, and the transmission rod 702 is fixedly connected to the end near the smart door lock body 1. A sponge 705 is connected, and the sponge 705 is in active contact with the fingerprint sensing area. When recording the fingerprint, the protective cover 402 needs to be moved upward, and the sticky tube 403 is rolled on the surface of the combination lock 101 to completely stick out the dust on the combination lock 101, thereby achieving an effective dust removal effect. By rotating the transmission rod 702, a force is applied to the first coil spring 704. After the protective cover 402 moves back, the protective cover 402 is passed; a force is applied to the transmission rod 702 to make the sponge 705 rotate at the fingerprint recording port to wipe its surface.

[0030] Working principle: This embodiment provides a fingerprint recognition component and a smart door lock. When there is a lot of dust on the surface of the fingerprint collection area on the fingerprint identifier 2 and the fingerprint cannot be recorded normally, you can put your thumb on the top of the cleaning cloth 305 and press it downward, wherein the first telescopic rod 302 extends toward the bottom, so that the two clamping plates 304 move downward and tilt at the same time, and the cleaning cloth 305 is in contact with the fingerprint collection area on the fingerprint identifier 2. When the thumb applies force to the cleaning cloth 305, the cleaning cloth 305 wipes the surface of the fingerprint recording port. At the same time, when the two clamping plates 304 move downward and tilt, the extrusion cylinder 602 is squeezed, so that the cleaning liquid in the extrusion cylinder 602 flows out from the nozzle 603, and the cleaning liquid flows into the fingerprint recording port, and the cleaning liquid flows into the fingerprint recording port. The fingerprint entry port is wiped with a cleaning cloth 305 to achieve a neat effect on the fingerprint entry port. After long-term use, the first nut 503 is removed from the first bolt 502 through a thread, and the cleaning cloth 305 is replaced to increase the service life of the device. When entering a fingerprint, the protective cover 402 needs to be moved upward, and the sticky tube 403 is rolled on the surface of the combination lock 101 to completely stick out the dust on the combination lock 101 to achieve an effective dust removal effect, and by rotating the transmission rod 702, a force is applied to the first coil spring 704. After the protective cover 402 moves back, the protective cover 402 is used to apply a force to the transmission rod 702 to rotate the sponge 705 at the fingerprint entry port to wipe its surface.

[0031] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A fingerprint recognition component and a smart door lock, characterized in that: The invention comprises a smart door lock body (1), wherein a password lock (101) is fixedly arranged on the top of one side of the smart door lock body (1), a fingerprint identifier (2) is fixedly connected inside the smart door lock body (1), and a cleaning mechanism (3) is fixedly arranged inside the fingerprint sensing area on the fingerprint identifier (2); The cleaning mechanism (3) comprises two movable grooves (301) and a cleaning unit (4); the two movable grooves (301) are symmetrically arranged on the top inner wall of the fingerprint sensing area; the inner walls on both sides of the two fingerprint sensing areas are movably connected to first telescopic rods (302) via first latches; the side surfaces of the two first telescopic rods (302) are movably sleeved with first tension springs (303); the output ends of the two first telescopic rods (302) are movably connected to clamps (304) via second latches; the two clamps (304) are commonly fixedly connected to cleaning cloths (305) on opposite sides; the inner walls of the two clamps (304) are respectively fixedly provided with fixing units (5); and the bottoms of the two clamps (304) are movably provided with flushing units (6).

2. A fingerprint recognition component and smart door lock according to claim 1, characterized in that: The fixing unit (5) comprises four through holes (501), and every two of the through holes (501) are opened on the top of the clamping plate (304). A first bolt (502) is fixedly sleeved inside each through hole (501), and the first bolt (502) passes through the cleaning cloth (305).

3. A fingerprint recognition component and smart door lock according to claim 2, characterized in that: A first nut (503) is movably sleeved on the top of each of the first bolts (502), and the first bolts (502) and the first nut (503) are threadably matched.

4. A fingerprint recognition component and smart door lock according to claim 3, characterized in that: The flushing unit (6) comprises two movable rods (601), the two movable rods (601) are movably connected to the inner walls on both sides of the fingerprint sensing area respectively, the two movable rods (601) are fixedly connected to an extrusion cylinder (602) at opposite ends, and the extrusion cylinder (602) is in movably contact with the clamping plate (304), and the side surface of the extrusion cylinder (602) is fixedly connected to a nozzle (603).

5. A fingerprint recognition component and smart door lock according to claim 4, characterized in that: The clearing unit (4) comprises two slide grooves (401), the two slide grooves (401) are respectively arranged on both sides of the smart door lock body (1), a protective cover (402) is slidably connected to one side of the smart door lock body (1), and the inner walls on both sides of the protective cover (402) are slidably connected to the inside of the slide grooves (401) via a first sliding block.

6. A fingerprint recognition component and smart door lock according to claim 5, characterized in that: The inner walls on both sides of the protective cover (402) are movably connected to an adhesive cylinder (403) via a first insertion rod, and the adhesive cylinder (403) is in movably contact with the combination lock (101), and a wiping unit (7) is provided on one side of the protective cover (402).

7. A fingerprint recognition component and smart door lock according to claim 6, characterized in that: The wiping unit (7) comprises a hole (701), the hole (701) is opened on one side of the protective cover (402), a transmission rod (702) is movably sleeved inside the hole (701), and the transmission rod (702) passes through the protective cover (402), and a transmission box (703) is fixedly connected to the other side of the protective cover (402), and the transmission rod (702) is movably sleeved inside the transmission box (703).

8. A fingerprint recognition component and smart door lock according to claim 7, characterized in that: The transmission box (703) is movably connected to a first coil spring (704) inside, and one end of the first coil spring (704) is fixedly connected to a transmission rod (702), and one end of the transmission rod (702) close to the smart door lock body (1) is fixedly connected to a sponge (705), and the sponge (705) is in movably contact with the fingerprint sensing area.

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