Human body biological feature recognition camera

Abstract

The utility model discloses a human body biological characteristic identification camera, which comprises a camera, a support frame and a cleaning support, the support frame is fixedly arranged at the front end of the camera, the cleaning support is arranged in the support frame, the cleaning support comprises a wind-up roller, a servo motor and a top cover, and the wind-up roller is fixedly arranged on the support frame. The two ends of the winding roller are rotationally connected to the two sides of the cleaning support through rotating shafts correspondingly, the servo motor is fixedly installed at one end of the cleaning support, and the driving end of the servo motor is fixedly installed at one end of the winding roller. According to the utility model, automatic control is carried out through the PLC, timed cleaning can be set, so that the trouble of frequent manual cleaning is avoided, the labor cost is saved, the cleanliness of the camera lens is ensured, and the electrostatic dust removal cloth is updated before cleaning each time, so that the lens is prevented from being damaged by dust on the used electrostatic dust removal cloth.

Description

Technical Field

[0001] The utility model relates to the technical field of cameras, in particular to a human body biological feature recognition camera. Background Art

[0002] A biometric camera is a security device that uses human biometrics for identity authentication. This camera integrates biometric recognition technology and can confirm identity by capturing and analyzing the body's biometric information.

[0003] Existing human biometric recognition cameras are sometimes installed at high positions that are inconvenient for maintenance. When too much dust remains on the front of the camera, its recognition accuracy will be affected, thereby affecting identity recognition. Therefore, a human biometric recognition camera is urgently needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a human biometric identification camera to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a human biometric feature recognition camera, comprising a camera, a support frame and a cleaning bracket, wherein the support frame is fixedly mounted on the front end of the camera, the cleaning bracket is arranged inside the support frame, the cleaning bracket comprises a winding roller, a servo motor and a top cover, the two ends of the winding roller are respectively rotatably connected to the two sides of the cleaning bracket through a rotating shaft, the servo motor is fixedly mounted on one end of the cleaning bracket, and the driving end of the servo motor is fixedly mounted on one end of the winding roller, and the top cover is slidably plugged into the top end of the cleaning bracket, A placement box is provided at the top of the cleaning bracket, and an electrostatic dust removal cloth is folded and placed inside the placement box, and limit blocks are fixedly installed at both ends of the top of the cleaning bracket, and the limit block is located on the side of the cleaning bracket away from the top cover, and a wiping plate is fixedly connected inside the side of the cleaning bracket close to the limit block, and a pressure plate is provided above the wiping plate, and sliding columns are symmetrically fixedly connected at both ends of the pressure plate, and the sliding column is slidably connected to the limit block, and a spring is nested on the outside of the sliding column, and the top end of the spring is close to the bottom end of the limit block, and the bottom end of the spring is close to the top end of the pressure plate.

[0006] Preferably, an auxiliary plate is fixedly connected to the inner side of the support frame, a top plate is fixedly installed on the top of the support frame, two threaded rods are symmetrically provided on the top plate, a PLC controller is fixedly installed on the inner side of the support frame, sliding rods are symmetrically fixedly connected to the inner bottom end of the support frame, a fixing plate is threadedly connected to the threaded end of the threaded rod, a mounting bracket is fixedly connected to the bottom end of the support frame, and an electric push rod is fixedly installed on the inner side of the mounting bracket.

[0007] Preferably, two ends of the cleaning bracket are slidably connected to the two sliding rods respectively.

[0008] Preferably, the telescopic end of the electric push rod is fixedly connected to the middle of the bottom end of the cleaning bracket.

[0009] Preferably, the middle of the bottom end of the auxiliary plate is in close contact with the top end of the camera, and the middle of the top end of the fixed plate is in close contact with the bottom end of the camera, the camera is located in the middle inner side of the support frame, and the support frame is fixed to the camera on the fixed plate by the threaded rod passing through the top plate and the auxiliary plate respectively.

[0010] Preferably, the PLC controller is electrically connected to the electric push rod and the servo motor respectively.

[0011] Preferably, a notch is formed on a side of the cleaning bracket close to the pressing plate.

[0012] Preferably, the electrostatic dust cloth extends out through the slot on the cleaning bracket and bypasses the wiping plate on the side away from the cleaning bracket and is wound around the winding roller, and the electrostatic dust cloth located on the outside of the wiping plate is close to the lens end of the camera on the side away from the wiping plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model performs automatic control through a PLC controller and can set a timed cleaning, thereby avoiding the trouble of frequent manual cleaning, saving labor costs, and ensuring the cleanliness of the camera lens. The electrostatic dust removal cloth is first updated before each cleaning to avoid dust on the previously used electrostatic dust removal cloth from damaging the lens. The design of the spring and the sliding column allows the electrostatic dust removal cloth to always remain in a tensioned state during use, which can better clean the camera lens and improve the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main three-dimensional structure of the utility model;

[0016] Figure 2It is a schematic diagram of the structure of the supporting frame part in the utility model;

[0017] Figure 3 This is a schematic diagram of the cleaning bracket structure in the utility model;

[0018] Figure 4 This is a schematic diagram of the cleaning bracket structure in the utility model;

[0019] Figure 5 This is a schematic diagram of the cleaning bracket structure in the utility model.

[0020] In the figure: 1-camera, 2-support frame, 3-cleaning bracket, 4-auxiliary plate, 5-top plate, 6-threaded rod, 7-PLC controller, 8-sliding rod, 9-fixing plate, 10-mounting bracket, 11-electric push rod, 12-winding roller, 13-servo motor, 14-top cover, 15-placing box, 16-electrostatic dust removal cloth, 17-limiting block, 18-pressing plate, 19-wiping plate, 20-sliding column, 21-spring. DETAILED DESCRIPTION

[0021] 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 the embodiments. 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.

[0022] See also Figure 1-5The utility model provides an embodiment: a human biometric feature recognition camera, comprising a camera 1, a support frame 2 and a cleaning bracket 3, wherein the support frame 2 is fixedly mounted at the front end of the camera 1, the cleaning bracket 3 is arranged inside the support frame 2, the cleaning bracket 3 comprises a winding roller 12, a servo motor 13 and a top cover 14, the two ends of the winding roller 12 are respectively rotatably connected to the two sides of the cleaning bracket 3 through a rotating shaft, the servo motor 13 is fixedly mounted at one end of the cleaning bracket 3, and the driving end of the servo motor 13 is fixedly mounted at one end of the winding roller 12, the top cover 14 is slidably plugged into the top end of the cleaning bracket 3, the top end of the cleaning bracket 3 is provided with a placement box 15, the inside of the placement box 15 is folded and placed with an electrostatic dust removal cloth 16, and the two ends of the top end of the cleaning bracket 3 are respectively fixedly mounted with limit blocks 17 , and the limit block 17 is located on the side of the cleaning bracket 3 away from the top cover 14, and a wiping plate 19 is fixedly connected inside the side of the cleaning bracket 3 close to the limit block 17, and a pressure plate 18 is provided above the wiping plate 19, and sliding columns 20 are symmetrically fixedly connected at both ends of the pressure plate 18, and the sliding column 20 is slidably connected to the limit block 17, and a spring 21 is nested on the outside of the sliding column 20, and the top end of the spring 21 is close to the bottom end of the limit block 17, and the bottom end of the spring 21 is close to the top end of the pressure plate 18, and the rotating winding roller 12 pulls the electrostatic dust cloth 16 located inside the placement box 15, and the electrostatic dust cloth 16 located on the outer part of the wiping plate 19 moves to a position close to the winding roller 12, and the electrostatic dust cloth 16 located inside the placement box 15 moves to the outside of the wiping plate 19, thereby realizing automatic updating of the electrostatic dust cloth 16.

[0023] An auxiliary plate 4 is fixedly connected to the inner side of the support frame 2, a top plate 5 is fixedly installed on the top of the support frame 2, two threaded rods 6 are symmetrically provided on the top plate 5, a PLC controller 7 is fixedly installed on the inner side of the support frame 2, a sliding rod 8 is symmetrically fixedly connected to the inner bottom end of the support frame 2, a fixing plate 9 is threadedly connected to the threaded end of the threaded rod 6, a mounting bracket 10 is fixedly connected to the bottom end of the support frame 2, and an electric push rod 11 is fixedly installed on the inner side of the mounting bracket 10.

[0024] The two ends of the cleaning bracket 3 are respectively slidably connected to the two sliding rods 8, and the telescopic end of the electric push rod 11 is fixedly connected to the middle of the bottom end of the cleaning bracket 3. The cleaning bracket 3 is driven up and down by the electric push rod 11, thereby driving the electrostatic dust removal cloth 16 on the outside of the wiping plate 19 to slide up and down to wipe the lens end of the camera 1.

[0025] The middle of the bottom end of the auxiliary plate 4 is in close contact with the top end of the camera 1, and the middle of the top end of the fixing plate 9 is in close contact with the bottom end of the camera 1. The camera 1 is located in the middle of the inner side of the supporting frame 2, and the supporting frame 2 is fixed to the camera 1 by threaded rods 6 that pass through the top plate 5 and the auxiliary plate 4 and are threadedly connected to the fixing plate 9.

[0026] The PLC controller 7 is electrically connected to the electric push rod 11 and the servo motor 13 respectively. By setting the PLC controller 7, automatic updating of the electrostatic dust removal cloth 16 and automatic wiping of the lens end of the camera 1 can be achieved.

[0027] A slot is provided on one side of the cleaning bracket 3 close to the pressure plate 18, and the electrostatic dust cloth 16 extends out through the slot on the cleaning bracket 3 and bypasses the wiping plate 19 and is wound around the winding roller 12 on the side away from the cleaning bracket 3. The electrostatic dust cloth 16 located on the outside of the wiping plate 19 is close to the lens end of the camera 1 on the side away from the wiping plate 19. The winding roller 12 is driven by the driving end of the servo motor 13 to rotate to update the electrostatic dust cloth 16 located on the outside of the wiping plate 19.

[0028] Working principle: During use, first write a control program through the PLC controller 7, and set the scheduled cleaning through the control program. When using it for the first time or when the electrostatic dust cloth 16 is used up, pull the top cover 14 away from the cleaning bracket 3 through external force, and then place the electrostatic dust cloth 16 inside the placement box 15, and pull the end of the electrostatic dust cloth 16 close to the pressure plate 18 to wrap it on the outside of the wiping plate 19, and then wrap the electrostatic dust cloth 16 around the outside of the winding roller 12. When the cleaning time is reached, the PLC controller 7 controls the servo motor 13 to start, and the driving end of the servo motor 13 drives the winding roller 12 to rotate, and the rotating winding roller 12 begins to wind the electrostatic dust cloth 16. The winding of the winding roller 12 begins to pull the electrostatic dust cloth 16 located inside the placement box 15. When the servo motor 13 rotates to a predetermined number of revolutions, it stops rotating. At this time, the electrostatic dust cloth 16 located on the outer part of the wiping plate 19 moves to a position close to the winding roller 12, and the position The electrostatic dust cloth 16 inside the placement box 15 moves to the outside of the wiping plate 19, and because the spring 21 continuously pushes the sliding column 20 downward, the bottom end of the sliding column 20 squeezes the electrostatic dust cloth 16, thereby realizing the tension of the electrostatic dust cloth 16 supported by the outer side of the wiping plate 19, and then the PLC controller 7 controls the electric push rod 11 to extend, and the telescopic end of the electric push rod 11 pushes the cleaning bracket 3 to move upward, and the movement of the cleaning bracket 3 indirectly drives the wiping plate 19 to move upward, and at the same time, the electrostatic dust cloth 16 located on the outside of the wiping plate 19 begins to wipe the lens end of the camera 1, when the cleaning bracket 3 moves to the inner top of the supporting frame 2, the electrostatic dust cloth 16 wipes the top of the camera 1, and then the PLC controller 7 controls the electric push rod 11 to retract, and the telescopic end of the electric push rod 11 drives the cleaning bracket 3 to move downward, thereby driving the electrostatic dust cloth 16 to wipe the lens end of the camera 1 downward, and each cleaning work completes a reciprocating wiping of the lens end of the camera 1.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A human biometric feature recognition camera, comprising a camera (1), a support frame (2) and a cleaning bracket (3), characterized in that: The support frame (2) is fixedly mounted on the front end of the camera (1); the cleaning bracket (3) is arranged inside the support frame (2); the cleaning bracket (3) comprises a winding roller (12), a servo motor (13) and a top cover (14); the two ends of the winding roller (12) are rotatably connected to the two sides of the cleaning bracket (3) through a rotating shaft; the servo motor (13) is fixedly mounted on one end of the cleaning bracket (3); and the driving end of the servo motor (13) is fixedly mounted on one end of the winding roller (12); the top cover (14) is slidably plugged into the top end of the cleaning bracket (3); a placement box (15) is provided at the top end of the cleaning bracket (3); an electrostatic dust removal cloth is folded and placed inside the placement box (15). (16), limit blocks (17) are fixedly installed at both ends of the top of the cleaning bracket (3), and the limit block (17) is located on the side of the cleaning bracket (3) away from the top cover (14), and a wiper plate (19) is fixedly connected inside the side of the cleaning bracket (3) close to the limit block (17), and a pressure plate (18) is provided above the wiper plate (19), and sliding columns (20) are symmetrically fixedly connected at both ends of the pressure plate (18), and the sliding column (20) is slidably connected to the limit block (17), and a spring (21) is embedded on the outer side of the sliding column (20), and the top end of the spring (21) is tightly against the bottom end of the limit block (17), and the bottom end of the spring (21) is tightly against the top end of the pressure plate (18).

2. A human biometric feature recognition camera according to claim 1, characterized in that: An auxiliary plate (4) is fixedly connected to the inner side of the support frame (2); a top plate (5) is fixedly installed on the top of the support frame (2); two threaded rods (6) are symmetrically provided on the top plate (5); a PLC controller (7) is fixedly installed on the inner side of the support frame (2); a sliding rod (8) is symmetrically fixedly connected to the inner bottom end of the support frame (2); a fixing plate (9) is threadedly connected to the threaded end of the threaded rod (6); a mounting bracket (10) is fixedly connected to the bottom end of the support frame (2); and an electric push rod (11) is fixedly installed on the inner side of the mounting bracket (10).

3. A human biometric feature recognition camera according to claim 2, characterized in that: The two ends of the cleaning bracket (3) are respectively slidably connected to the two sliding rods (8).

4. The human biometric feature recognition camera according to claim 2, characterized in that: The telescopic end of the electric push rod (11) is fixedly connected to the middle of the bottom end of the cleaning bracket (3).

5. The human biometric feature recognition camera according to claim 2, characterized in that: The middle of the bottom end of the auxiliary plate (4) is in close contact with the top end of the camera (1), and the middle of the top end of the fixing plate (9) is in close contact with the bottom end of the camera (1); the camera (1) is located in the middle of the inner side of the supporting frame (2), and the supporting frame (2) is fixed to the camera (1) by the threaded rod (6) passing through the top plate (5) and the auxiliary plate (4) and being threadedly connected to the fixing plate (9).

6. The human biometric feature recognition camera according to claim 2, characterized in that: The PLC controller (7) is electrically connected to the electric push rod (11) and the servo motor (13) respectively by wire.

7. The human biometric feature recognition camera according to claim 1, characterized in that: A notch is formed on one side of the cleaning bracket (3) close to the pressing plate (18).

8. The human biometric feature recognition camera according to claim 1, characterized in that: The electrostatic dust removal cloth (16) extends out through the notch on the cleaning bracket (3) and passes by the side of the wiping plate (19) away from the cleaning bracket (3) and is wound around the winding roller (12). The side of the electrostatic dust removal cloth (16) located outside the wiping plate (19) away from the wiping plate (19) is in close contact with the lens end of the camera (1).

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