CN108564004B - Safe type face identification equipment that recognition accuracy is high based on thing networking - Google Patents
Safe type face identification equipment that recognition accuracy is high based on thing networking Download PDFInfo
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- CN108564004B CN108564004B CN201810245967.4A CN201810245967A CN108564004B CN 108564004 B CN108564004 B CN 108564004B CN 201810245967 A CN201810245967 A CN 201810245967A CN 108564004 B CN108564004 B CN 108564004B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
Abstract
The invention relates to a safe face recognition device with high recognition accuracy based on the Internet of things, which comprises a rotating mechanism, a lifting mechanism, a camera and a collecting mechanism, wherein the rotating mechanism comprises a rotating assembly and a driven assembly, the rotating assembly comprises a first motor, a first gear, a rack, a limiting block, a swinging rod, a rotating wheel, a connecting shaft and two first bearing seats, the safe face recognition device with high recognition accuracy based on the Internet of things drives the camera to do circular motion and up-and-down reciprocating motion through the rotating mechanism and the lifting mechanism, so that the face of a user can be annularly scanned, the contrast of multiple groups of data is more accurate compared with the contrast of single group of data through the contrast of images at different angles, so that the recognition accuracy of the face recognition device is improved, broken glass is collected through the collecting mechanism, and the influence of broken glass on the user is avoided, thereby improving the safety of the face recognition device.
Description
Technical Field
The invention relates to the field of face recognition equipment, in particular to safe face recognition equipment with high recognition accuracy based on the Internet of things.
Background
Face recognition is a biometric technology for identity recognition based on facial feature information of a person. A series of related technologies, also commonly called face recognition and face recognition, are used to capture an image or video stream containing a face with a camera or a video camera, automatically detect and track the face in the image, and then perform face recognition on the detected face. The face recognition device is a device for confirming an identity by recognizing a human face based on a face recognition technology.
The existing face recognition equipment only adopts the recognition images with fixed angles to compare in the recognition process, certain errors exist, the recognition precision of the existing face recognition equipment is greatly reduced, and moreover, the existing face recognition equipment has the risk of fragmentation of a camera lens in the use process, broken glass easily influences users passing by, and the safety of the face recognition equipment is greatly reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the safe face recognition equipment based on the Internet of things is provided, and the recognition accuracy is high.
The technical scheme adopted by the invention for solving the technical problems is as follows: a safe type human face recognition device with high recognition accuracy based on the Internet of things comprises a rotating mechanism, a lifting mechanism, a camera and a collecting mechanism, wherein the lifting mechanism is arranged below the rotating mechanism;
the rotating mechanism comprises a rotating assembly and a driven assembly, and the driven assembly is arranged below the rotating assembly;
the rotating assembly comprises a first motor, a first gear, a rack, a limiting block, a swinging rod, a rotating wheel, a connecting shaft and two first bearing seats, the first motor is vertically arranged, the first gear is horizontally arranged below the first motor, the first motor is in transmission connection with the first gear, the rack is horizontally arranged, the first gear is meshed with the rack, the limiting block is sleeved on the rack, one end of the swinging rod is hinged with one end of the rack, which is far away from the first gear, the other end of the swinging rod is hinged with the position, which is far away from the circle center, of the rotating wheel, the rotating wheel is horizontally arranged, the connecting shaft is vertically arranged, the rotating wheel is sleeved on the connecting shaft, and the two first bearing seats are respectively sleeved on the top end and the bottom end of the connecting shaft;
the driven assembly comprises a transmission block, a sliding rail and a moving block, the transmission block is fixed below the rotating wheel, the sliding rail is circular, the vertical section of the sliding rail is circular, the moving block is sleeved on the sliding rail, and the moving block is connected with the sliding rail in a sliding manner;
the lifting mechanism comprises a cross rod, a driving component, a telescopic frame, a connecting plate, a positioning block, two sliding blocks and two fixing rods, the cross rod is horizontally arranged below a moving block, the two fixing rods are respectively arranged at two ends of the cross rod, the cross rod is fixedly connected with the moving block through the fixing rods, the driving component is arranged between the two fixing rods, the two sliding blocks are sleeved on the cross rod, one of the two sliding blocks is fixedly connected with the cross rod, the other sliding block is connected with the driving component and is in sliding connection with the cross rod, the connecting plate is horizontally arranged, a strip-shaped hole is formed in the connecting plate, the positioning block is arranged in the strip-shaped hole and is in sliding connection with the strip-shaped hole, the telescopic frame is vertically arranged, two sides of the top end of the telescopic frame are respectively hinged with the two sliding blocks, the other side of the bottom end of the telescopic frame is hinged with the positioning block, and the camera is fixed below the connecting plate;
the collecting mechanism comprises a lens, a lead, a loop detector and two collecting assemblies, wherein the lens is arranged on the camera, the lead is arranged in the lens and is electrically connected with the loop detector, and the two collecting assemblies are respectively arranged at two sides below the camera;
the collecting assembly comprises a first baffle, a second baffle, a transmission unit, two third baffles and two collecting units, the first baffle is vertically arranged below the camera, the second baffle is horizontally fixed at the bottom of the first baffle, the second baffle is positioned on one side of the first baffle, which is far away from the camera, the transmission unit is arranged on the first baffle, the two third baffles are respectively arranged on two sides of the camera, the third baffles correspond to the collecting units one by one, the collecting units are arranged on the third baffles, and the transmission unit drives the third baffles to rotate through the collecting units;
the transmission unit comprises a second motor, a rotating shaft and two second gears, the second motor is horizontally arranged, the second motor is fixedly connected with the camera, the rotating shaft is horizontally arranged, the second motor is in transmission connection with the rotating shaft, the first baffle is sleeved on the rotating shaft, the two second gears are respectively positioned on two sides of the first baffle, the second gears are sleeved on the rotating shaft, and the second gears are bevel gears;
still be equipped with PLC and wireless signal transceiver module in the camera, PLC is connected with wireless signal transceiver module electricity, first motor, return circuit detector and second motor all with wireless signal transceiver module wireless signal connection.
Preferably, in order to make the moving block slide more smoothly, the driven assembly further includes two balls, two annular grooves are formed in a connection portion of the moving block and the slide rail, the two annular grooves are located on two sides of the circular cross section of the slide rail respectively, the balls are embedded in the annular grooves, centers of the balls are located in the circular cross section of the annular grooves, the balls are matched with the annular grooves, and the balls are tangent to the circular cross section of the slide rail.
Preferably, in order to drive the slider more accurately, the driving assembly comprises an air pump, a cylinder, a piston rod and a connecting rod, the air pump is communicated with the cylinder, the air pump is fixed on the fixing rod, the cylinder is fixedly connected with the air pump, the piston rod is horizontally arranged, the connecting rod is vertically arranged, one end of the piston rod is arranged in the cylinder, the other end of the piston rod is fixedly connected with the top end of the connecting rod, and the bottom end of the connecting rod is fixedly connected with the slider.
Preferably, in order to drive the third baffle more stably, the collecting unit includes a driven rod, a third gear and a second bearing seat, the driven rod is vertically disposed, the third baffle and the third gear are both sleeved on the driven rod, the third gear is located below the third baffle, the second bearing seat is sleeved on the top end of the driven rod, the second bearing seat is fixedly connected with the camera, the third gear is a bevel gear, and the third gear is engaged with the second gear.
Preferably, in order to improve the stability of the rotating shaft, one end of the rotating shaft, which is far away from the second motor, is provided with a third bearing seat, the third bearing seat is fixedly connected with the camera, and the third bearing seat is sleeved on the rotating shaft.
Preferably, in order to enhance the collecting effect, the shape of the first baffle, the shape of the second baffle and the shape of the third baffle are all cuboids, the length of the first baffle is equal to the length of the second baffle, and the length of the third baffle is equal to the width of the second baffle.
Preferably, in order to make transmission between the limiting block and the rack smoother, the limiting block is in clearance fit with the rack.
Preferably, in order to improve the fluency of the moving block during moving, the slide rail is located right below the rotating wheel, and the center of the slide rail and the center of the rotating wheel are located on the same straight line.
Preferably, in order to make the connection between the piston rod and the connecting rod more firm, the piston rod and the connecting rod are of an integrally molded structure.
Preferably, the first motor is a servo motor in order to improve the driving accuracy of the first motor.
The safe face recognition device based on the Internet of things and having high recognition accuracy has the advantages that the camera is driven to do circular motion and move up and down in a reciprocating mode through the rotating mechanism and the lifting mechanism, so that the face of a user can be scanned in an annular mode, the comparison of multiple groups of data is more accurate compared with the comparison of single group of data through the comparison of images at different angles, so that the recognition accuracy of the face recognition device is improved The third baffle operates synchronously, so that the operation efficiency of the collecting mechanism is higher.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a high-accuracy safety face recognition device based on the internet of things;
fig. 2 is a schematic view of a connection structure of a sliding rail and a moving block of the safe face recognition device with high recognition accuracy based on the internet of things;
fig. 3 is a schematic view of a connection structure of a sliding rail, a moving block and a ball of the safe face recognition device based on the internet of things and having high recognition accuracy;
fig. 4 is a schematic view of a connection structure of a moving block, a lifting mechanism, a camera and a collecting mechanism of the safe face recognition device based on the internet of things and having high recognition accuracy;
fig. 5 is a schematic view of a connection structure of a camera and a collecting mechanism of the safe face recognition device with high recognition accuracy based on the internet of things;
fig. 6 is a schematic view of a connection structure of a camera and a collecting mechanism of the safe face recognition device with high recognition accuracy based on the internet of things;
in the figure: 1. the camera comprises a camera, 2, a first motor, 3, a first gear, 4, a rack, 5, a limiting block, 6, a swing rod, 7, a rotating wheel, 8, a connecting shaft, 9, a first bearing seat, 10, a transmission block, 11, a sliding rail, 12, a moving block, 13, a cross rod, 14, a telescopic frame, 15, a connecting plate, 16, a positioning block, 17, a sliding block, 18, a fixing rod, 19, a lens, 20, a lead, 21, a loop detector, 22, a first baffle, 23, a second baffle, 24, a third baffle, 25, a second motor, 26, a rotating shaft, 27, a second gear, 28, a ball, 29, an air pump, 30, a cylinder barrel, 31, a piston rod, 32, a connecting rod, 33, a driven rod and 34, and a third gear.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the safe face recognition device with high recognition accuracy based on the internet of things comprises a rotating mechanism, a lifting mechanism, a camera 1 and a collecting mechanism, wherein the lifting mechanism is arranged below the rotating mechanism, the camera 1 is arranged below the lifting mechanism, and the collecting mechanism is arranged on the camera 1;
the camera 1 is driven to do circular motion and up-and-down reciprocating motion by the rotating mechanism and the lifting mechanism, so that the face of the user can be annularly scanned, through the contrast of images at different angles, the contrast of a plurality of groups of data is more accurate compared with the contrast of a single group of data, thereby improving the identification precision of the face identification equipment, when the rotating mechanism rotates, the rotating wheel 7 drives the moving block 12 to slide along the slide rail 11, the sliding distance of the moving block 12 can be controlled more accurately, the broken glass is collected by the collecting mechanism, the influence of the broken glass on a user is avoided, the safety of the face recognition equipment is improved, compared with the existing collecting mechanism, the first baffle 22, the second baffle 23 and the third baffle 24 of the collecting mechanism run synchronously, so that the collecting mechanism runs more efficiently.
As shown in fig. 1-2, the rotating mechanism includes a rotating assembly and a driven assembly, the driven assembly is disposed below the rotating assembly;
the rotating assembly comprises a first motor 2, a first gear 3, a rack 4, a limiting block 5, a swinging rod 6, a rotating wheel 7, a connecting shaft 8 and two first bearing seats 9, the first motor 2 is vertically arranged, the first gear 3 is horizontally arranged below the first motor 2, the first motor 2 is in transmission connection with the first gear 3, the rack 4 is horizontally arranged, the first gear 3 is meshed with the rack 4, the limiting block 5 is sleeved on the rack 4, one end of the swinging rod 6 is hinged with one end of the rack 4, which is far away from the first gear 3, the other end of the swinging rod 6 is hinged with the position, which is far away from the circle center, of the rotating wheel 7, the rotating wheel 7 is horizontally arranged, the connecting shaft 8 is vertically arranged, the rotating wheel 7 is sleeved on the connecting shaft 8, and the two first bearing seats 9 are respectively sleeved on the top end and the bottom end of the connecting shaft 8;
the driven assembly comprises a transmission block 10, a sliding rail 11 and a moving block 12, the transmission block 10 is fixed below the rotating wheel 7, the sliding rail 11 is circular, the vertical section of the sliding rail 11 is circular, the moving block 12 is sleeved on the sliding rail 11, and the moving block 12 is connected with the sliding rail 11 in a sliding manner;
in fact, the limiting block 5 and the two first bearing blocks 9 are both fixedly connected with the wall surface;
the first motor 2 drives the first gear 3 to rotate, so that the rack 4 reciprocates along the limiting block 5, the rotating wheel 7 is driven to rotate through the swinging rod 6, the moving block 12 is driven to do circular motion along the sliding rail 11 through the transmission block 10, and the camera 1 is driven to perform annular scanning on the face of a user.
As shown in fig. 4, the lifting mechanism includes a cross bar 13, a driving assembly, a telescopic frame 14, a connecting plate 15, a positioning block 16, two sliding blocks 17 and two fixing rods 18, the cross bar 13 is horizontally disposed below the moving block 12, the two fixing rods 18 are respectively disposed at two ends of the cross bar 13, the cross bar 13 is fixedly connected to the moving block 12 through the fixing rods 18, the driving assembly is disposed between the two fixing rods 18, the two sliding blocks 17 are both sleeved on the cross bar 13, one of the two sliding blocks 17 is fixedly connected to the cross bar 13, the other sliding block 17 is connected to the driving assembly and is slidably connected to the cross bar 13, the connecting plate 15 is horizontally disposed, the connecting plate 15 is provided with a strip-shaped hole, the positioning block 16 is disposed in the strip-shaped hole, the positioning block 16 is slidably connected to the strip-shaped hole, the telescopic frame 14 is vertically disposed, two sides of the top end of, one side of the bottom end of the telescopic frame 14 is hinged with a connecting plate 15, the other side of the bottom end of the telescopic frame 14 is hinged with a positioning block 16, and the camera 1 is fixed below the connecting plate 15;
the slider 17 on drive assembly drive right side slides along horizontal pole 13 to drive the expansion bracket 14 extension or shrink through locating piece 16, thereby drive connecting plate 15 and reciprocate, make camera 1 reciprocate, two dead levers 18 play the spacing supporting role to horizontal pole 13.
As shown in fig. 5-6, in practice, fig. 6 is a side view of fig. 5, the collecting mechanism includes a lens 19, a wire 20, a loop detector 21, the lens 19 is disposed on the camera 1, the wire 20 is disposed in the lens 19, the wire 20 is electrically connected to the loop detector 21, and two collecting assemblies are disposed on two sides of the lower portion of the camera 1;
the collecting assembly comprises a first baffle plate 22, a second baffle plate 23, a transmission unit, two third baffle plates 24 and two collecting units, the first baffle plate 22 is vertically arranged below the camera 1, the second baffle plate 23 is horizontally fixed at the bottom of the first baffle plate 22, the second baffle plate 23 is positioned on one side, away from the camera 1, of the first baffle plate 22, the transmission unit is arranged on the first baffle plate 22, the two third baffle plates 24 are respectively arranged on two sides of the camera 1, the third baffle plates 24 correspond to the collecting units one by one, the collecting units are arranged on the third baffle plates 24, and the transmission unit drives the third baffle plates 24 to rotate through the collecting units;
the transmission unit comprises a second motor 25, a rotating shaft 26 and two second gears 27, the second motor 25 is horizontally arranged, the second motor 25 is fixedly connected with the camera 1, the rotating shaft 26 is horizontally arranged, the second motor 25 is in transmission connection with the rotating shaft 26, the first baffle plate 22 is sleeved on the rotating shaft 26, the two second gears 27 are respectively positioned at two sides of the first baffle plate 22, the second gears 27 are sleeved on the rotating shaft 26, and the second gears 27 are bevel gears;
Still be equipped with PLC and wireless signal transceiver module in the camera 1, PLC is connected with wireless signal transceiver module electricity, first motor 2, return circuit detector 21 and second motor 25 all with wireless signal transceiver module wireless signal connection.
As shown in fig. 3, the driven assembly further includes two balls 28, two annular grooves are formed at a connection portion of the moving block 12 and the sliding rail 11, the two annular grooves are respectively located at two sides of the circular cross section of the sliding rail 11, the balls 28 are embedded in the annular grooves, a circle center of the ball 28 is located in the circular cross section of the annular groove, the balls 28 are matched with the annular grooves, the balls 28 are tangent to the circular cross section of the sliding rail 11, when the moving block 12 moves along the sliding rail 11, a part of sliding friction can be changed into rolling friction through contact between the balls 28 and the sliding rail 11, and therefore friction between the moving block 12 and the balls 28 can be reduced, and the moving block 12 is enabled to slide more smoothly.
As shown in fig. 4, the driving assembly includes an air pump 29, a cylinder 30, a piston rod 31 and a connecting rod 32, the air pump 29 is communicated with the cylinder 30, the air pump 29 is fixed on the fixing rod 18, the cylinder 30 is fixedly connected with the air pump 29, the piston rod 31 is horizontally arranged, the connecting rod 32 is vertically arranged, one end of the piston rod 31 is arranged in the cylinder 30, the other end of the piston rod 31 is fixedly connected with the top end of the connecting rod 32, the bottom end of the connecting rod 32 is fixedly connected with the slider 17, the air pump 29 and the cylinder 30 drive the piston rod 31 to perform piston movement through pressure difference, so that the connecting rod 32 drives the slider 17 to slide, the displacement of the piston rod 31 can be accurately controlled by controlling the pressure difference, and the slider 17 can be more accurately driven.
Preferably, in order to drive the third baffle plate 24 more stably, the collecting unit includes a driven rod 33, a third gear 34 and a second bearing seat, the driven rod 33 is vertically disposed, the third baffle plate 24 and the third gear 34 are both sleeved on the driven rod 33, the third gear 34 is located below the third baffle plate 24, the second bearing seat is sleeved on the top end of the driven rod 33, the second bearing seat is fixedly connected with the camera 1, the third gear 34 is a bevel gear, the third gear 34 is meshed with the second gear 27, the second gear 27 drives the third gear 34 to rotate, so that the driven rod 33 drives the third baffle plate 24 to rotate, the second bearing seat has a limiting effect on the driven rod 33, the stability of the driven rod 33 during rotation can be improved, and the third baffle plate 24 can be driven more stably.
Preferably, in order to improve the stability of the rotating shaft 26, one end of the rotating shaft 26, which is far away from the second motor 25, is provided with a third bearing seat, the third bearing seat is fixedly connected with the camera 1, the third bearing seat is sleeved on the rotating shaft 26, and the third bearing seat plays a supporting and limiting role on the rotating shaft 26 under the condition that the rotation of the rotating shaft 26 is not influenced, so that the stability of the rotating shaft 26 can be improved.
Preferably, in order to enhance the collecting effect, the shape of the first baffle 22, the shape of the second baffle 23 and the shape of the third baffle 24 are all rectangular solids, the length of the first baffle 22 is equal to the length of the second baffle 23, and the length of the third baffle 24 is equal to the width of the second baffle 23, so that the rectangular solids formed by the first baffle 22, the second baffle 23 and the third baffle 24 have good sealing performance, thereby enhancing the collecting effect.
Preferably, in order to make the transmission between the limit block 5 and the rack 4 smoother, the limit block 5 is in clearance fit with the rack 4, so that the friction force between the rack 4 and the limit block 5 can be reduced, and the transmission between the limit block 5 and the rack 4 is smoother.
Preferably, in order to improve the fluency when the moving block 12 moves, the slide rail 11 is located directly below the rotating wheel 7, and the center of the slide rail 11 and the center of the rotating wheel 7 are located on the same straight line, so that the moving track of the moving block 12 can be prevented from deviating from the slide rail 11, and the fluency when the moving block 12 moves can be improved.
Preferably, in order to make the connection between the piston rod 31 and the connecting rod 32 more firm, the piston rod 31 and the connecting rod 32 are integrally formed.
Preferably, in order to improve the driving accuracy of the first motor 2, the first motor 2 is a servo motor, the servo motor can control the speed, the position accuracy is very accurate, and the voltage signal can be converted into the torque and the rotating speed to drive the controlled object, so that the driving accuracy of the first motor 2 can be improved.
The rotating assembly drives the camera 1 to do circular motion through the driven assembly, the connecting plate 15 is driven to move up and down through the driving assembly, so that the camera 1 is driven to move up and down, the face of a user can be annularly scanned, the contrast of multiple groups of data is more accurate compared with the contrast of single group of data through the contrast of images at different angles, so that the recognition precision of the face recognition device is improved, compared with the existing rotating mechanism, the rotating mechanism drives the moving block 12 to slide along the slide rail 11 through the rotating wheel 7 during rotation, the sliding distance of the moving block 12 can be more accurately controlled, whether the lens 19 is broken or not is detected through the lead 20 and the loop detector 21, when the lens 19 is broken, the PLC drives the first baffle 22 and the second baffle 23 to rotate through the transmission unit, meanwhile, the two third baffles 24 are driven to rotate through the two collecting units, and a storage box is formed by the first baffle 22 and the second baffle 23, collect broken glass, avoid garrulous glass to produce the influence to the user to the security that has improved this face identification equipment, with current collection mechanism, the first baffle 22, the second baffle 23, the third baffle 24 synchronous operation of this collection mechanism make the operating efficiency of this collection mechanism higher.
Compared with the prior art, the safe face recognition device with high recognition accuracy based on the Internet of things drives the camera 1 to do circular motion and move up and down in a reciprocating mode through the rotating mechanism and the lifting mechanism, so that the face of a user can be subjected to annular scanning, the contrast of multiple groups of data is more accurate compared with the contrast of single group of data through the contrast of images at different angles, so that the recognition accuracy of the face recognition device is improved The second baffle 23 and the third baffle 24 run synchronously, so that the collecting mechanism runs more efficiently.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The safe face recognition equipment with high recognition accuracy based on the Internet of things is characterized by comprising a rotating mechanism, a lifting mechanism, a camera (1) and a collecting mechanism, wherein the lifting mechanism is arranged below the rotating mechanism, the camera (1) is arranged below the lifting mechanism, the rotating mechanism drives the lifting mechanism and the camera (1) to synchronously make circular motion, the lifting mechanism drives the camera (1) to do up-and-down reciprocating motion, images at different angles are obtained in an annular scanning mode, and the collecting mechanism is arranged on the camera (1);
the rotating mechanism comprises a rotating assembly and a driven assembly, and the driven assembly is arranged below the rotating assembly;
the rotating assembly comprises a first motor (2), a first gear (3), a rack (4), a limiting block (5), a swinging rod (6), a rotating wheel (7), a connecting shaft (8) and two first bearing seats (9), wherein the first motor (2) is vertically arranged, the first gear (3) is horizontally arranged below the first motor (2), the first motor (2) is in transmission connection with the first gear (3), the rack (4) is horizontally arranged, the first gear (3) is meshed with the rack (4), the limiting block (5) is sleeved on the rack (4), one end of the swinging rod (6) is hinged with one end of the rack (4) far away from the first gear (3), the other end of the swinging rod (6) is hinged with the position of the rotating wheel (7) far away from the circle center, the rotating wheel (7) is horizontally arranged, and the connecting shaft (8) is vertically arranged, the rotating wheel (7) is sleeved on the connecting shaft (8), and the two first bearing blocks (9) are respectively sleeved on the top end and the bottom end of the connecting shaft (8);
the driven assembly comprises a transmission block (10), a sliding rail (11) and a moving block (12), the transmission block (10) is fixed below the rotating wheel (7), the sliding rail (11) is annular, the vertical section of the sliding rail (11) is circular, the moving block (12) is sleeved on the sliding rail (11), and the moving block (12) is connected with the sliding rail (11) in a sliding manner;
the lifting mechanism comprises a cross rod (13), a driving assembly, a telescopic frame (14), a connecting plate (15), a positioning block (16), two sliding blocks (17) and two fixing rods (18), the cross rod (13) is horizontally arranged below the moving block (12), the two fixing rods (18) are respectively arranged at two ends of the cross rod (13), the cross rod (13) is fixedly connected with the moving block (12) through the fixing rods (18), the driving assembly is arranged between the two fixing rods (18), the two sliding blocks (17) are both sleeved on the cross rod (13), one of the two sliding blocks (17) is fixedly connected with the cross rod (13), the other sliding block (17) is connected with the driving assembly and is in sliding connection with the cross rod (13), the connecting plate (15) is horizontally arranged, a strip-shaped hole is formed in the connecting plate (15), and the positioning block (16) is arranged in the strip-shaped hole, the positioning block (16) is connected with the strip-shaped hole in a sliding mode, the telescopic frame (14) is vertically arranged, two sides of the top end of the telescopic frame (14) are hinged to the two sliding blocks (17) respectively, one side of the bottom end of the telescopic frame (14) is hinged to the connecting plate (15), the other side of the bottom end of the telescopic frame (14) is hinged to the positioning block (16), and the camera (1) is fixed below the connecting plate (15);
the collecting mechanism comprises a lens (19), a lead (20), a loop detector (21) and two collecting assemblies, wherein the lens (19) is arranged on the camera (1), the lead (20) is arranged in the lens (19), the lead (20) is electrically connected with the loop detector (21), and the two collecting assemblies are respectively arranged on two sides below the camera (1);
the collecting assembly comprises a first baffle (22), a second baffle (23), a transmission unit, two third baffles (24) and two collecting units, the first baffle (22) is vertically arranged below the camera (1), the second baffle (23) is horizontally fixed at the bottom of the first baffle (22), the second baffle (23) is positioned on one side, far away from the camera (1), of the first baffle (22), the transmission unit is arranged on the first baffle (22), the two third baffles (24) are respectively arranged on two sides of the camera (1), the third baffles (24) correspond to the collecting units one by one, the collecting units are arranged on the third baffles (24), and the transmission unit drives the third baffles (24) to rotate through the collecting units;
the transmission unit comprises a second motor (25), a rotating shaft (26) and two second gears (27), the second motor (25) is horizontally arranged, the second motor (25) is fixedly connected with the camera (1), the rotating shaft (26) is horizontally arranged, the second motor (25) is in transmission connection with the rotating shaft (26), the first baffle (22) is sleeved on the rotating shaft (26), the two second gears (27) are respectively positioned on two sides of the first baffle (22), the second gears (27) are sleeved on the rotating shaft (26), and the second gears (27) are bevel gears;
the collecting unit comprises a driven rod (33), a third gear (34) and a second bearing seat, the driven rod (33) is vertically arranged, the third baffle plate (24) and the third gear (34) are sleeved on the driven rod (33), the third gear (34) is located below the third baffle plate (24), the second bearing seat is sleeved on the top end of the driven rod (33), the second bearing seat is fixedly connected with the camera (1), the third gear (34) is a bevel gear, and the third gear (34) is meshed with the second gear (27);
the camera (1) is also internally provided with a PLC (programmable logic controller) and a wireless signal transceiving module, the PLC is electrically connected with the wireless signal transceiving module, and the first motor (2), the loop detector (21) and the second motor (25) are in wireless signal connection with the wireless signal transceiving module;
wire (20) are the ring form setting in lens (19), wire (20) are thinner, can not influence the printing opacity of lens (19), after lens (19) breakage, wire (20) also breaks off thereupon, loop detector (21) detect the return circuit disconnection, then to PLC signals, PLC passes through wireless signal transceiver module control second motor (25) drive axis of rotation (26) and rotates, make two second gear (27) syntropy rotate, two second gear (27) set up about first baffle (22) symmetry, thereby drive two third baffle (24) antiport, form a receiver with first baffle (22) and second baffle (23), collect cullet.
2. The safe human face recognition device with high recognition accuracy based on the internet of things as claimed in claim 1, wherein the driven assembly further comprises two balls (28), two annular grooves are formed at the joint of the moving block (12) and the sliding rail (11), the two annular grooves are respectively located on two sides of the circular cross section of the sliding rail (11), the balls (28) are embedded in the annular grooves, the centers of the balls (28) are located in the circular cross section of the annular grooves, the balls (28) are matched with the annular grooves, and the balls (28) are tangent to the circular cross section of the sliding rail (11).
3. The safe face recognition device based on the Internet of things and high in recognition accuracy is characterized in that the driving assembly comprises an air pump (29), a cylinder (30), a piston rod (31) and a connecting rod (32), the air pump (29) is communicated with the cylinder (30), the air pump (29) is fixed on the fixing rod (18), the cylinder (30) is fixedly connected with the air pump (29), the piston rod (31) is horizontally arranged, the connecting rod (32) is vertically arranged, one end of the piston rod (31) is arranged in the cylinder (30), the other end of the piston rod (31) is fixedly connected with the top end of the connecting rod (32), and the bottom end of the connecting rod (32) is fixedly connected with the sliding block (17).
4. The safe face recognition device with high recognition accuracy based on the internet of things of claim 1, wherein a third bearing seat is arranged at one end of the rotating shaft (26) far away from the second motor (25), the third bearing seat is fixedly connected with the camera (1), and the third bearing seat is sleeved on the rotating shaft (26).
5. The safe face recognition device with high recognition accuracy based on the internet of things as claimed in claim 1, wherein the shape of the first baffle (22), the shape of the second baffle (23) and the shape of the third baffle (24) are all cuboids, the length of the first baffle (22) is equal to the length of the second baffle (23), and the length of the third baffle (24) is equal to the width of the second baffle (23).
6. The safe face recognition device based on the internet of things and having high recognition accuracy as claimed in claim 1, wherein the limiting block (5) is in clearance fit with the rack (4).
7. The safe face recognition device with high recognition accuracy based on the internet of things of claim 1, wherein the sliding rail (11) is located right below the rotating wheel (7), and the circle center of the sliding rail (11) and the circle center of the rotating wheel (7) are located on the same straight line.
8. The safe face recognition device with high recognition accuracy based on the internet of things of claim 3, wherein the piston rod (31) and the connecting rod (32) are of an integrally formed structure.
9. The safety type human face recognition equipment with high recognition accuracy based on the Internet of things of claim 1, wherein the first motor (2) is a servo motor.
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| CN112305570A (en) * | 2020-10-22 | 2021-02-02 | 中国人民解放军战略支援部队信息工程大学 | Dynamic performance test system and test method for navigation positioning equipment |
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