Disclosure of Invention
The present invention is directed to a face recognition device with a movable camera, which overcomes the above-mentioned drawbacks of the prior art.
The invention relates to a human face recognition device with a movable camera, which comprises a machine body, wherein a containing cavity is arranged in the machine body, a transmission case is arranged in the containing cavity, a first guide groove is formed in the lower side wall of the containing cavity, a first sliding block is arranged in the first guide groove in a sliding manner and fixedly arranged on the lower side wall of the transmission case, the camera for recognizing human faces is arranged in the containing cavity, a front-and-back movement device for driving the camera to move back and forth is arranged in the transmission case, the front-and-back movement device comprises a transmission cavity arranged in the transmission case, a first transmission shaft is rotatably arranged on the lower side wall of the transmission cavity, a rocker and a gear are sequentially and fixedly arranged on the first transmission shaft from top to bottom, a second guide groove is formed in the upper side wall of the rocker, a first sliding pin is arranged in the second guide groove in a sliding manner, the bracing piece that extends about sliding in the guide way three is equipped with, bracing piece left side end set firmly in on the camera right side wall, first sliding pin set firmly in bracing piece right side end, position symmetry has seted up the spacing groove on the wall about the guide way three, it is equipped with the stopper to slide in the spacing groove, the stopper set firmly in on the bracing piece, set firmly the guide bar between the wall before the transmission chamber back, slide on the guide bar be equipped with gear engagement's rack, the lateral wall fixed mounting has motor one under the transmission chamber, the lateral wall rotates to install transmission shaft two on the motor one, fan gear one, band pulley one have set firmly from last to down in proper order on the transmission shaft two, fan gear one with rack engagement, the lateral wall rotates to be equipped with transmission shaft three under the transmission chamber, on the transmission shaft three set firmly fan gear two down in proper order under to on the transmission shaft, The second sector gear is meshed with the rack, a belt is arranged between the second pulley and the first pulley in a transmission manner, and the belt is wound in a shape like a Chinese character 'ji'; the transmission shaft II drives the transmission shaft III to rotate through the belt wheel I, the belt and the belt wheel II, the rotation directions are opposite, the rack is meshed with the sector gear I and the sector gear II to drive the rack to move back and forth along the guide rod, the rack is meshed with the gear to drive the rocker to swing back and forth, the rocker is in sliding fit with the guide groove II through the sliding pin I and drives the support rod to move back and forth along the guide groove III through the limiting block and the limiting groove, and the support rod drives the camera to move back and forth.
On the basis of the technical scheme, a left-right moving device for driving the camera to move left and right and a cleaning device for cleaning the camera are arranged in the accommodating cavity.
On the basis of the technical scheme, the left-right moving device comprises a first nut fixedly arranged on the upper side wall of the transmission case, a second motor is fixedly arranged on the right side wall of the machine body, a first screw rod extending into the containing cavity is rotatably arranged on the left side wall of the second motor, the first screw rod is in spiral fit with the first nut, and an inlet and an outlet communicated with the outside of the machine body are formed in the left side wall of the containing cavity.
On the basis of the technical scheme, the cleaning device comprises a fourth guide groove which is symmetrically arranged on the front wall and the rear wall of the containing cavity and is communicated with the outside of the machine body, a cleaning rod which is used for cleaning the camera and extends to the outside of the machine body from front to back is arranged in the fourth guide groove on the front side and the rear side in a sliding manner, a cushion block is fixedly arranged on the side wall of the machine body, a third motor is fixedly arranged on the side wall of the cushion block, a fourth transmission shaft is rotatably arranged on the front wall and the rear wall of the third motor in a symmetrical manner, a first connecting rod is fixedly arranged on the fourth transmission shaft, a second sliding pin is fixedly arranged on the first connecting rod, a second guide block is fixedly arranged on the front wall and the rear wall of the machine body in a symmetrical manner, a second connecting rod is vertically arranged in the guide block in a sliding manner, a first auxiliary block is fixedly arranged at the tail end of the upper side of the second, a guide groove six is formed in the auxiliary block two, and the cleaning rod is arranged in the guide groove six in a sliding mode.
On the basis of the technical scheme, a base is arranged on the lower side of the machine body, and a lifting device for driving the whole machine body to move up and down is arranged on the base.
On the basis of the technical scheme, the lifting device comprises a guide groove seven formed in the upper side wall of the base, a motor four is fixedly installed on the right side wall of the guide groove seven, a screw rod two is rotatably installed on the left side wall of the motor four, nuts two in spiral fit with the screw rod two are symmetrically and slidably arranged in the guide groove seven at left and right positions, guide grooves eight are symmetrically formed in the front and back positions of the upper side wall of the base, sliding blocks two are symmetrically and slidably arranged in the guide grooves eight at left and right positions, a connecting shaft one is fixedly arranged between the sliding blocks two at the front and back sides and the nuts two, a guide groove nine is symmetrically formed in the front and back positions of the lower side wall of the machine body, a sliding block three is symmetrically and slidably arranged in the guide groove nine at left and right positions, a connecting shaft two is fixedly arranged between the sliding blocks three at the front and back sides, and the third connecting rod and the fourth connecting rod are rotatably connected by a rotating shaft.
The invention has the beneficial effects that: the automatic face-capturing mechanism is simple and convenient to operate and low in manufacturing cost, the camera can be driven to move back and forth through the swinging of the rocker and the sliding fit of the sliding pin I and the guide groove II, meanwhile, the machine body is driven to integrally move up and down through the spiral fit of the nut II and the screw rod II, the automatic face-capturing is realized, the camera can be cleaned through the cleaning rod, and the phenomenon that the face image is fuzzy due to dust on the camera is prevented.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 6, a face recognition device with a movable camera according to an embodiment of the present invention includes a body 10, a receiving cavity 21 is disposed in the body 10, a transmission box 28 is disposed in the receiving cavity 21, a first guide groove 11 is disposed on a lower side wall of the receiving cavity 21, a first slide block 29 is slidably disposed in the first guide groove 11, the first slide block 29 is fixedly disposed on a lower side wall of the transmission box 28, a camera 40 for recognizing a face is disposed in the receiving cavity 21, a front-back moving device 67 for driving the camera 40 to move back and forth is disposed in the transmission box 28, the front-back moving device 67 includes a transmission cavity 25 disposed in the transmission box 28, a first transmission shaft 26 is rotatably disposed on a lower side wall of the transmission cavity 25, a rocker 43 and a gear 27 are sequentially and fixedly disposed on the first transmission shaft 26 from top to bottom, a second guide groove 65 is disposed on an upper side, slide in the guide way two 65 and be equipped with a sliding pin 64, transmission chamber 25 left side wall seted up with accomodate the guide way three 54 of chamber 21 intercommunication, slide in the guide way three 54 and be equipped with the bracing piece 41 of extending about, bracing piece 41 left side end set firmly in on the camera 40 right side wall, a sliding pin 64 set firmly in bracing piece 41 right side end, position symmetry has seted up spacing groove 53 on the wall about three 54, it is equipped with stopper 63 to slide in the spacing groove 53, stopper 63 set firmly on bracing piece 41, set firmly guide bar 61 between the preceding rear wall in transmission chamber 25, slide on the guide bar 61 be equipped with gear 27 meshed rack 62, side wall fixed mounting has motor one 66 under the transmission chamber 25, side wall rotates to install transmission shaft two 56 on motor one 66, from last sector gear one 55 that has set firmly down in proper order on transmission shaft two 56, The first belt wheel 42 is meshed with the rack 62 through the first sector gear 55, a third transmission shaft 59 is rotatably arranged on the lower side wall of the transmission cavity 25, a second sector gear 58 and a second belt wheel 60 are fixedly arranged on the third transmission shaft 59 from top to bottom in sequence, the second sector gear 58 is meshed with the rack 62, a belt 57 is arranged between the second belt wheel 60 and the first belt wheel 42 in a transmission mode, and the belt 57 is wound in an 8 shape; the second transmission shaft 56 drives the third transmission shaft 59 to rotate through the first belt wheel 42, the belt 57 and the second belt wheel 60, the rotation directions are opposite, the rack 62 drives the first sector gear 55 and the second sector gear 58 to move back and forth along the guide rod 61 through meshing, the rack 62 drives the rocker 43 to swing back and forth through meshing with the gear 27, the rocker 43 is in sliding fit with the second guide groove 65 through the first sliding pin 64, the limiting block 63 is in sliding fit with the limiting groove 53 to drive the support rod 41 to move back and forth along the third guide groove 54, and the support rod 41 drives the camera 40 to move back and forth.
In addition, in one embodiment, a left-right moving device 68 for moving the camera 40 left and right and a cleaning device 69 for cleaning the camera 40 are disposed in the accommodating chamber 21.
In addition, in one embodiment, the left-right moving device 68 includes a first nut 23 fixedly disposed on an upper side wall of the transmission box 28, a second motor 24 is fixedly mounted on a right side wall of the machine body 10, a first screw 22 extending into the accommodating cavity 21 is rotatably mounted on a left side wall of the second motor 24, the first screw 22 is in screw fit with the first nut 23, and an inlet and an outlet 12 communicated with the outside of the machine body 10 are formed in the left side wall of the accommodating cavity 21; the second motor 24 is in screw fit with the first nut 23 through the first screw 22 to drive the transmission box 28 to move left and right along the first guide groove 11.
In addition, in one embodiment, the cleaning device 69 includes four guide grooves 13 symmetrically formed in the front and rear walls of the receiving cavity 21 and communicating with the outside of the machine body 10, a cleaning rod 14 sliding in the four guide grooves 13 on the front and rear sides and extending forward and backward to the outside of the machine body 10 for cleaning the camera 40, a cushion block 45 fixedly disposed on the upper side wall of the machine body 10, a motor three 44 fixedly disposed on the upper side wall of the cushion block 45, a transmission shaft four 20 rotatably disposed on the front and rear walls of the motor three 44, a first connecting rod 19 fixedly disposed on the transmission shaft four 20, a second sliding pin 17 fixedly disposed on the first connecting rod 19, guide blocks 51 symmetrically disposed on the front and rear walls of the machine body 10, a second connecting rod 15 vertically sliding in the guide blocks 51, a first auxiliary block 18 fixedly disposed at the upper end of the second connecting rod 15, and a fifth guide groove 16 formed in the first auxiliary block 18, the second sliding pin 17 is slidably arranged in the fifth guide groove 16, the second auxiliary block 52 is fixedly arranged at the tail end of the lower side of the second connecting rod 15, a sixth guide groove 50 is formed in the second auxiliary block 52, and the cleaning rod 14 is slidably arranged in the sixth guide groove 50; the fourth transmission shaft 20 slides through the second sliding pin 17 and the fifth guide groove 16 to drive the second connecting rod 15 to move up and down along the guide block 51, the guide block 51 drives the cleaning rod 14 to move up and down along the fourth guide groove 13 through the sliding fit of the cleaning rod 14 and the sixth guide groove 50, and the cleaning rod 14 cleans the camera 40 in the moving process.
In addition, in one embodiment, a base 35 is disposed on the lower side of the machine body 10, and a lifting device 70 for driving the machine body 10 to move up and down is disposed on the base 35.
In addition, in one embodiment, the lifting device 70 includes a guide groove seven 32 formed in the upper side wall of the base 35, a motor four 31 is fixedly installed on the right side wall of the guide groove seven 32, a screw rod two 33 is rotatably installed on the left side wall of the motor four 31, a nut two 36 spirally engaged with the screw rod two 33 is symmetrically and slidably arranged in the guide groove seven 32 at left and right positions, a guide groove eight 48 is symmetrically formed in the upper side wall of the base 35 at front and rear positions, a slide block two 47 is symmetrically and slidably arranged in the guide groove eight 48 at left and right positions, a connecting shaft one 37 is fixedly arranged between the slide block two 47 at front and rear sides and the nut two 36 at front and rear sides, a guide groove nine 49 is symmetrically formed in the lower side wall of the machine body 10 at front and rear positions, a slide block three 46 is symmetrically and slidably arranged in the guide groove nine 49 at left and right positions, a connecting shaft two 39 is fixedly arranged between the slide block three 46 at front and rear sides, the third connecting rod 38 is rotatably connected with the fourth connecting rod 30 through a rotating shaft 34; the second screw 33 is driven to slide left and right along the seventh guide groove 32 by being in spiral fit with the second nuts 36 on the two sides, the second nuts 36 on the two sides drive the second sliding blocks 47 on the two sides to slide left and right along the eighth guide groove 48, the second sliding blocks 47 on the two sides drive the third sliding blocks 46 on the two sides to slide left and right along the ninth guide groove 49 through the fourth connecting rod 30 and the third connecting rod 38, and the third sliding blocks 46 and the second sliding blocks 47 drive the machine body 10 to integrally move up and down while sliding.
In an initial state, the camera 40 is located in the storage cavity 21, the third sliding blocks 46 on two sides are respectively located at the left end and the right end of the guide groove nine 49, and the second sliding blocks 47 on two sides are respectively located at the left end and the right end of the guide groove eight 48, so that the whole body 10 is located at the lowest position.
When the user starts to work, the user stands on the left side of the equipment, the motor II 24 is started to drive the screw rod I22 to rotate, the screw rod I22 drives the transmission box 28 to move leftwards along the guide groove I11 through sliding fit with the nut I23, the camera 40 extends out of the machine body 10 from the inlet and outlet 12, and the camera 40 is adjusted to the optimal position through the left-right moving device 68 and the lifting device 70 according to the height of the user, so that the face collected by the camera 40 is clearer.
After use, the first screw 22 is reversed to pull the camera 40 back into the machine body 10, and the equipment returns to the initial state.
After the camera 40 is used for a period of time, the motor three 44 is started to drive the transmission shaft four 20 to rotate, and the camera 40 is cleaned through the cleaning device 69.
The invention has the beneficial effects that: the automatic face-capturing mechanism is simple and convenient to operate and low in manufacturing cost, the camera can be driven to move back and forth through the swinging of the rocker and the sliding fit of the sliding pin I and the guide groove II, meanwhile, the machine body is driven to integrally move up and down through the spiral fit of the nut II and the screw rod II, the automatic face-capturing is realized, the camera can be cleaned through the cleaning rod, and the phenomenon that the face image is fuzzy due to dust on the camera is prevented.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.