CN111222501A - Mechanical equipment with face recognition function for searching work - Google Patents
Mechanical equipment with face recognition function for searching work Download PDFInfo
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- CN111222501A CN111222501A CN201811413650.3A CN201811413650A CN111222501A CN 111222501 A CN111222501 A CN 111222501A CN 201811413650 A CN201811413650 A CN 201811413650A CN 111222501 A CN111222501 A CN 111222501A
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000003990 capacitor Substances 0.000 claims description 41
- 238000005096 rolling process Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 abstract description 5
- 238000012795 verification Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
- G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
- G06V10/147—Details of sensors, e.g. sensor lenses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/06—Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio
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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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Studio Devices (AREA)
Abstract
The invention relates to a mechanical device with a face recognition function for searching work, which comprises a bottom plate, a signal plate, a first camera, a shading mechanism and two capturing mechanisms, wherein each capturing mechanism comprises a direction adjusting component, a mounting plate, a hinge component, a second camera and a rotating component, each rotating component comprises a first motor, a driving gear, a driven gear, a supporting unit and a connecting rod, each shading mechanism comprises a first baffle, two second baffles, two rails and two brackets, four moving components are arranged at four corners of each second baffle, the mechanical device with the face recognition function for searching work realizes flexible control of the angle of the second camera through the capturing mechanisms, is convenient for accurately capturing face images for identity verification, achieves the aim of searching lost people in crowds, and prevents sunlight from directly irradiating the first camera and the second camera through the shading mechanisms, the device can be guaranteed to shoot images clearly, and the practicability of the equipment is improved.
Description
Technical Field
The invention relates to the field of face recognition equipment, in particular to mechanical equipment with a face recognition function for searching work.
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.
Because face identification has the function of verifying identity fast, therefore face identification technology is often installed on various traffic monitoring devices on the road surface, be used for looking for lost personnel at the traffic light mouth, but face identification relies on the camera to gather the image and carries out face capture, and these capture device operation and open air, when the sun is located the direction of shooting, strong sunshine shines on the camera, make the image of camera collection appear the silhouette phenomenon easily, when serious, still can damage the camera, moreover, these face capture device mostly fixed mounting, the angle can't be adjusted accurately, therefore the camera often adopts wide-angle camera lens to shoot, in order to guarantee the shooting range, but so equipment can't obtain clear face image, make mistakes easily during the people identification, cause the reduction of face identification precision, lead to the practicality of equipment to reduce.
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, a mechanical device with a face recognition function for searching work is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a mechanical device with a face recognition function for searching work comprises a bottom plate, a support column, a top cover, a signal plate, a first camera, a shading mechanism and two capturing mechanisms, wherein the top cover is fixed above the bottom plate through the support column, the first camera is fixed above the top cover, the two capturing mechanisms are respectively positioned at two sides of the first camera, three signal indicating lamps are arranged on the signal plate, the shading mechanism is positioned above the first camera, a PLC is arranged in the bottom plate, and the signal indicating lamps and the first camera are electrically connected with the PLC;
the capturing mechanism comprises a fixed plate, a direction adjusting component, a mounting plate, a hinging component, a second camera and a rotating component, wherein the fixed plate is fixed above the top cover, the mounting plate is arranged above the top cover through the hinging component, the direction adjusting component is positioned between the mounting plate and the fixed plate, the direction adjusting component is in transmission connection with the mounting plate, the rotating component comprises a first motor, a driving gear, a driven gear, a supporting unit and a connecting rod, the first motor is fixed on the mounting plate and is electrically connected with the PLC, the first motor is in transmission connection with the driving gear, the driving gear is meshed with the driven gear, the second camera is fixed above the driving gear through the connecting rod, and the first motor and the second camera are both electrically connected with the PLC;
the shading mechanism comprises a first baffle, two second baffles, two rails and two supports, the rails correspond to the supports one by one, the rails are fixed above the top cover through the supports, the first baffle is positioned between the two rails, the two second baffles are respectively positioned at two sides of the first baffle, two sliding grooves are arranged below the first baffle, two sliding blocks are arranged above the second baffles, the sliding blocks correspond to the sliding grooves one by one, and the sliding blocks are connected with the sliding grooves in a sliding manner;
four moving assemblies are arranged at four corners of the second baffle plate, each moving assembly comprises a second motor, a second driving shaft, a rolling wheel and a fixing assembly, the second motor is fixed on the rolling wheel and electrically connected with the PLC, the second motor is in transmission connection with the rolling wheel through the second driving shaft, the fixing assemblies are located on one side, far away from the second driving shaft, of the rolling wheel, limiting plates are arranged above and below the second driving shaft, and the limiting plates are fixed on the inner walls of two sides of the track;
a wireless receiving module is arranged in the processor and comprises a wireless receiving circuit, the wireless receiving circuit comprises a second antenna, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a third inductor, a fourth inductor, a third triode, a first diode, a second diode, a third diode and a third resistor, the second antenna is grounded through a series circuit formed by the seventh capacitor and the third inductor, the series circuit formed by the fifth capacitor and the sixth capacitor is connected with the third inductor in parallel, one end of the fourth inductor is connected with the anode of the first diode, the other end of the fourth inductor is grounded through the eighth capacitor, the base of the third triode is respectively connected with the cathode of the first diode and the cathode of the second triode, the anode of the second triode is grounded, and the emitter of the third triode is connected with the anode of the third diode, the cathode of the third diode is grounded, the collector of the third triode is externally connected with a 5V direct-current voltage power supply through a third resistor, the control circuit comprises an integrated circuit, a fourth resistor, a ninth capacitor, a tenth capacitor, a fourth triode and a buzzer, the model of the integrated circuit is NE555, the fourth end and the eighth end of the integrated circuit are externally connected with the 5V direct-current voltage power supply, the seventh end of the integrated circuit is connected with the sixth end of the integrated circuit, the seventh end of the integrated circuit is externally connected with the 5V direct-current voltage power supply through the fourth resistor, the seventh end of the integrated circuit is grounded through the ninth capacitor, the second end of the integrated circuit is connected with the collector of the third triode, the first end of the integrated circuit is grounded, the fifth end of the integrated circuit is grounded through the tenth capacitor, and the third end of the integrated circuit is connected with the base of the fourth triode, and the emitter of the fourth triode is grounded, and the collector of the fourth triode is externally connected with a 5V direct-current voltage power supply through a buzzer.
Preferably, in order to adjust the angle of the mounting plate, the direction adjusting assembly comprises a third motor, a driving plate, a pull wire, a spring, a pressure plate and an abutting shaft, wherein the third motor is fixed on the fixing plate and electrically connected with the PLC, the third motor is in transmission connection with the driving plate, the driving plate is connected with the mounting plate through the pull wire, the pressure plate is connected with the fixing plate through the spring, the abutting shaft is fixed on one side of the pressure plate, which is far away from the spring, and the spring is in a compressed state.
Preferably, in order to reduce wear between the mounting plate and the abutment shaft, the end of the abutment shaft remote from the pressure plate is provided with a sliding wheel.
Preferably, in order to ensure the smooth movement of the pressure plate, a lug and an orientation rod are arranged above and below the spring, the lug and the orientation rod are fixedly connected with the fixing plate, and the pressure plate is sleeved on the orientation rod.
As preferred, in order to facilitate the rotation of mounting panel, articulated subassembly includes two articulated units, and two articulated units are located the both sides of mounting panel respectively, articulated unit includes inserted bar and intubate, the one end of inserted bar is fixed on the mounting panel, the other end setting of inserted bar is in the intubate, the top at the top cap is fixed to the intubate.
Preferably, for the rotation of auxiliary stay driven gear, the support unit includes support frame and two grip blocks, the shape of support frame is the U-shaped, the both ends of support frame are fixed on the mounting panel, driven gear cover is established on the support frame, and two grip blocks are located driven gear's top and below respectively, the grip block is fixed on the support frame.
Preferably, in order to precisely control the rotation angle of the driven gear, the diameter of the driven gear is three times the diameter of the driving gear.
Preferably, in order to fix the position of the second baffle, the fixing assembly comprises a fourth motor, a first bevel gear and four fixing units, the fourth motor is fixed in the rolling wheel and electrically connected with the PLC, the fourth motor is in transmission connection with the first bevel gear, the four fixing units are uniformly distributed on the periphery of the first bevel gear in the circumferential direction, the fixing units comprise a second bevel gear, a rotating shaft, a sleeve and a positioning unit, the second bevel gear is meshed with the first bevel gear, the second bevel gear is fixed at one end of the rotating shaft, the sleeve is sleeved at the other end of the rotating shaft, a connecting part of the sleeve and the rotating shaft is provided with a thread matched with the rotating shaft, and the rotating shaft is arranged on the rolling wheel through the positioning unit.
Preferably, in order to rotate the rotating shaft at a fixed position, the positioning unit includes a limiting ring and two side plates, the limiting ring is fixed on the rolling wheel, the two side plates are respectively located at two sides of the limiting ring, and the clamping plate is fixed on the rotating shaft.
Preferably, in order to ensure the smooth movement of the sleeve, the fixing unit further comprises a fixing ring, the fixing ring is fixed on the rolling wheel, and the fixing ring is sleeved on the sleeve.
The mechanical equipment with the face recognition function for searching work has the advantages that the capturing mechanism realizes flexible control of the angle of the second camera, is convenient for accurately capturing the face image for identity verification, and achieves the purpose of searching lost people in crowds, compared with the existing capturing mechanism, the capturing mechanism has flexible structure, can accurately position the face position for recognition, and not only prevents sunlight from directly irradiating the first camera and the second camera through the shading mechanism to ensure that the device can clearly shoot images, compared with the existing shading mechanism, the protection range of the shading mechanism can realize flexible control according to the position and the irradiation direction of the sun, thereby improving the practicability of the equipment, and in a remote control transmitting circuit, the conventional components are adopted, while wireless reliable transmission is realized, the production cost is reduced, and the market competitiveness of the remote control circuit is improved; moreover, in the remote control receiving circuit, the first diode and the second diode form a voltage doubling circuit to perform voltage doubling rectification on the wireless signal sensed by the fourth power supply, so that the wireless signal is reliably sensed and received, and the reliability of the remote control circuit is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a mechanical apparatus with face recognition function for searching work according to the present invention;
FIG. 2 is a schematic structural diagram of a capturing mechanism of a mechanical device with face recognition function for searching work according to the present invention;
FIG. 3 is a schematic structural diagram of a direction-adjusting component of a mechanical device with a face recognition function for searching work according to the present invention;
FIG. 4 is a schematic structural diagram of a light shielding mechanism of a mechanical device with a face recognition function for searching work according to the present invention;
FIG. 5 is a schematic view of a connection structure of a first baffle and a second baffle of the mechanical device with face recognition function for searching work according to the present invention;
FIG. 6 is a schematic structural diagram of a fixing component of a mechanical device with a face recognition function for searching work according to the present invention;
FIG. 7 is a schematic circuit diagram of a wireless receiving module of a searching machine with face recognition function according to the present invention;
in the figure: 1. a bottom plate, 2 support columns, 3 top covers, 4 signal indicator lamps, 5 first cameras, 6 fixing plates, 7 mounting plates, 8 second cameras, 9 first motors, 10 driving gears, 11 driven gears, 12 first baffle plates, 13 second baffle plates, 14 tracks, 15 brackets, 16 sliding blocks, 17 second motors, 18 rolling wheels, 19 third motors, 20 driving disks, 21 pull wires, 22 springs, 23 pressure plates, 24 abutting shafts, 25 sliding wheels, 26 protrusions, 27 orientation rods, 28 insertion pipes, 29 insertion rods, 30 support frames, 31 clamping plates, 32 fourth motors, 33 first bevel gears, 34 second bevel gears, 35 rotating shafts, 36 sleeve pipes, 37 limiting rings, 38 side plates, 39 fixing rings, 40 limiting plates, C5. fifth capacitors, C6. the integrated circuit comprises a sixth capacitor, C7. a seventh capacitor, C8. an eighth capacitor, C9. a ninth capacitor, C10 a tenth capacitor, L3 a third inductor, L4 a fourth inductor, VD2 a third diode, VD3 a third triode, VD4 a fourth triode, R3 a third resistor, R4 a fourth resistor, BL. a buzzer, VT1 a first diode, VT2 a second diode and U1. an integrated circuit.
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, a mechanical device with a face recognition function for search work comprises a bottom plate 1, a support column 2, a top cover 3, a signal plate, a first camera 5, a shading mechanism and two capturing mechanisms, wherein the top cover 3 is fixed above the bottom plate 1 through the support column 2, the first camera 5 is fixed above the top cover 3, the two capturing mechanisms are respectively located at two sides of the first camera 5, three signal indicating lamps 4 are arranged on the signal plate, the shading mechanism is located above the first camera 5, a PLC is arranged in the bottom plate 1, and the signal indicating lamps 4 and the first camera 5 are both electrically connected with the PLC;
in the face capturing device, a top cover 3 is fixedly supported by a support column 2, three signal indicator lamps 4 are utilized to direct road traffic on a signal plate on the top cover 3, a first camera 5 is utilized to shoot the front of the support column 2 above the top cover 3, after images are collected, the position of a face is determined, capturing mechanisms on two sides of the first camera 5 are utilized to shoot the face according to the position of the face in the images, the face is captured, the identity of a pedestrian is determined, lost personnel are found in a pedestrian pile, a timing system is arranged in a PLC, the position of the sun is determined by the timing system according to the current time, the direction of sunlight is determined, a shading system operates according to the direction of the sunlight, the sunlight is prevented from directly irradiating the first camera 5 and the capturing mechanisms, and the first camera 5 and the capturing mechanisms are ensured to be capable of safely collecting clear images, and the face recognition and the capture are convenient.
As shown in fig. 2, the capturing mechanism includes a fixed plate 6, a steering assembly, a mounting plate 7, a hinge assembly, a second camera 8 and a rotating assembly, the fixing plate 6 is fixed above the top cover 3, the mounting plate 7 is arranged above the top cover 3 through a hinge assembly, the direction adjusting component is positioned between the mounting plate 7 and the fixing plate 6, the direction adjusting component is in transmission connection with the mounting plate 7, the rotating assembly includes a first motor 9, a driving gear 10, a driven gear 11, a supporting unit and a connecting rod, the first motor 9 is fixed on the mounting plate 7, the first motor 9 is electrically connected with the PLC, the first motor 9 is in transmission connection with a driving gear 10, the driving gear 10 is meshed with a driven gear 11, the second camera 8 is fixed above the driving gear 10 through a connecting rod, and the first motor 9 and the second camera 8 are both electrically connected with the PLC;
after the first camera 5 collects images and uploads the images to the PLC, the PLC controls the operation of the capturing mechanism according to the position of a human face in the images, the adjusting assembly drives the mounting plate 7 to rotate in the vertical direction, the pitch angle of the second camera 8 is controlled, the PLC controls the first motor 9 to start, the driving gear 10 is driven to rotate, the driven gear 11 rotates by a certain angle, the second camera 8 is driven to deflect left and right, the adjustment of the angle of the second camera 8 is achieved, the human face is captured by the second camera 8, the human face images are uploaded to the PLC, the PLC performs face recognition according to the human face images, the identity is determined, whether the person is a lost person is judged according to the identity, and the purpose of searching the lost person in a walking person is achieved.
As shown in fig. 4-5, the light shielding mechanism includes a first baffle 12, two second baffles 13, two rails 14 and two supports 15, the rails 14 are in one-to-one correspondence with the supports 15, the rails 14 are fixed above the top cover 3 through the supports 15, the first baffle 12 is located between the two rails 14, the two second baffles 13 are respectively located at two sides of the first baffle 12, two sliding grooves are arranged below the first baffle 12, two sliding blocks 16 are arranged above the second baffles 13, the sliding blocks 16 are in one-to-one correspondence with the sliding grooves, and the sliding blocks 16 are slidably connected with the sliding grooves;
the four corners department of second baffle 13 is equipped with four and removes the subassembly, it includes second motor 17, second drive shaft, rolling wheel 18 and fixed subassembly to remove the subassembly, second motor 17 is fixed on rolling wheel 18, second motor 17 is connected with the PLC electricity, second motor 17 passes through the second drive shaft and is connected with rolling wheel 18 transmission, fixed subassembly is located one side of keeping away from the second drive shaft of rolling wheel 18, the top and the below of second drive shaft all are equipped with limiting plate 40, limiting plate 40 is fixed on the inner wall of track 14's both sides.
In the shading mechanism, two rails 14 are fixed above a top cover 3 by utilizing a bracket 15, a first baffle plate 12 and a second baffle plate 13 can move between the two rails 14, the second baffle plate 13 is positioned below the first baffle plate 12, and sliding blocks 16 on the two second baffle plates 13 can move along a sliding groove of the first baffle plate 12, so that the shading range of the first baffle plate 12 and the two second baffle plates 13 is adjusted, the shading mechanism adjusts the protection range according to the direction of the sun, light is prevented from directly irradiating on a first camera 5 and a second camera 8, the four corners of the second baffle plate 13 are started by controlling a second motor 17 by a PLC (programmable logic controller), a rolling wheel 18 is driven by a second driving shaft to rotate at the inner side of the rail 14, so that the second baffle plate 13 moves, the other side of the rolling wheel 18, which is far away from the second driving shaft, the position of the rolling wheel 18 can be fixed by a fixing component, so that the position of the second baffle plate 13 is, thereby fixing the shading range;
as shown in fig. 7, a wireless receiving module is disposed in the bottom plate 2, the wireless receiving module includes a wireless receiving circuit, the wireless receiving circuit includes a second antenna, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a third inductor L3, a fourth inductor L4, a third transistor VD3, a first diode VT1, a second diode VT2, a third diode VD2, and a third resistor R3, the second antenna is grounded through a series circuit of a seventh capacitor C7 and a third inductor L3, the series circuit of a fifth capacitor C5 and a sixth capacitor C6 is connected in parallel with the third inductor L3, one end of the fourth inductor L4 is connected to the anode of the first diode VT1, the other end of the fourth inductor L4 is grounded through an eighth capacitor C8, the base of the third transistor VD3 is connected to the cathode 1 and the cathode of the first diode VT1, the anode of the second triode is grounded, the emitter of the third triode VD3 is connected with the anode of a third diode VD2, the cathode of the third diode VD2 is grounded, the collector of the third triode VD3 is externally connected with a 5V direct current voltage power supply through a third resistor R3, the control circuit comprises an integrated circuit U1, a fourth resistor R4, a ninth capacitor C9, a tenth capacitor C10, a fourth triode VD4 and a buzzer BL, the model of the integrated circuit U1 is NE555, the fourth end and the eighth end of the integrated circuit U1 are externally connected with the 5V direct current voltage power supply, the seventh end of the integrated circuit U1 is connected with the sixth end of the integrated circuit U1, the seventh end of the integrated circuit U1 is externally connected with the 5V direct current voltage power supply through a fourth resistor R4, the seventh end of the integrated circuit U1 is grounded through the ninth capacitor C9, the second end of the integrated circuit U1 is connected with the collector 3 of the third triode VD 352, the first end ground of integrated circuit U1, the fifth end of integrated circuit U1 is through tenth electric capacity C10 ground connection, the third end and the base of fourth triode VD4 of integrated circuit U1 are connected, the projecting pole ground of fourth triode VD4, the external 5V direct current voltage power supply of buzzer BL is passed through to the collecting electrode of fourth triode VD4.
As shown in fig. 3, the direction-adjusting assembly includes a third motor 19, a driving plate 20, a pulling wire 21, a spring 22, a pressure plate 23 and an abutting shaft 24, the third motor 19 is fixed on the fixing plate 6, the third motor 19 is electrically connected with the PLC, the third motor 19 is in transmission connection with the driving plate 20, the driving plate 20 is connected with the mounting plate 7 through the pulling wire 21, the pressure plate 23 is connected with the fixing plate 6 through the spring 22, the abutting shaft 24 is fixed on a side of the pressure plate 23 away from the spring 22, and the spring 22 is in a compressed state.
The compressed spring 22 generates thrust on the pressure plate 23, so that the abutting shaft 24 abuts against the mounting plate 7, and the PLC controls the third motor 19 to start, so as to drive the driving disc 20 to rotate, so as to tighten or loosen the pull wire 21, change the angle of pushing the mounting plate 7, and further adjust the pitch angle of the second camera 8.
Preferably, in order to reduce the wear between the mounting plate 7 and the abutment shaft 24, the end of the abutment shaft 24 remote from the pressure plate 23 is provided with a sliding wheel 25. The sliding wheel 25 reduces the friction on the mounting plate 7, so that the wear of the mounting plate 7 is reduced.
Preferably, in order to ensure the smooth movement of the pressure plate 23, a lug 26 and an orientation rod 27 are arranged above and below the spring 22, the lug 26 and the orientation rod 27 are fixedly connected with the fixing plate 6, and the pressure plate 23 is sleeved on the orientation rod 27.
The moving direction of the pressure plate 23 is fixed by the orientation rod 27, and the moving range of the pressure plate 23 is limited by the projection 26, thereby ensuring smooth movement of the pressure plate 23.
Preferably, in order to facilitate the rotation of the mounting plate 7, the hinge assembly includes two hinge units, the two hinge units are respectively located at two sides of the mounting plate 7, the hinge units include an insertion rod 29 and an insertion tube 28, one end of the insertion rod 29 is fixed on the mounting plate 7, the other end of the insertion rod 29 is arranged in the insertion tube 28, and the insertion tube 28 is fixed above the top cover 3.
Preferably, in order to assist in supporting the rotation of the driven gear 11, the supporting unit includes a supporting frame 30 and two clamping plates 31, the supporting frame 30 is U-shaped, two ends of the supporting frame 30 are fixed on the mounting plate 7, the driven gear 11 is sleeved on the supporting frame 30, the two clamping plates 31 are respectively located above and below the driven gear 11, and the clamping plates 31 are fixed on the supporting frame 30. The position of the supporting frame 30 is fixed, the driven gear 11 can rotate along the supporting frame 30, and the two clamping plates 31 are used for preventing the driven gear 11 from sliding up and down, so that the driven gear 11 is supported to rotate in an auxiliary mode.
Preferably, in order to precisely control the rotation angle of the driven gear 11, the diameter of the driven gear 11 is three times the diameter of the driving gear 10. Since the diameter of the driven gear 11 is three times the diameter of the driving gear 10, the angular velocity of the driven gear 11 is three times the angular velocity of the driving gear 10, and the rotation of the driven gear 11 can be precisely controlled by the rotation of the driving gear 10.
As shown in fig. 6, the fixing assembly includes a fourth motor 32, a first bevel gear 33 and four fixing units, the fourth motor 32 is fixed in the rolling wheel 18, the fourth motor 32 is electrically connected with the PLC, the fourth motor 32 is in transmission connection with the first bevel gear 33, the four fixing units are uniformly distributed on the periphery of the first bevel gear 33 in the circumferential direction, the fixing units include a second bevel gear 34, a rotating shaft 35, a sleeve 36 and a positioning unit, the second bevel gear 34 is engaged with the first bevel gear 33, the second bevel gear 34 is fixed at one end of the rotating shaft 35, the sleeve 36 is sleeved at the other end of the rotating shaft 35, a connection part of the sleeve 36 and the rotating shaft 35 is provided with a thread matching with the rotating shaft 35, and the rotating shaft 35 is arranged on the rolling wheel 18 through the positioning unit.
The PLC controls the fourth motor 32 to be started to drive the first bevel gear 33 to rotate, the first bevel gear 33 acts on the second bevel gears 34 of the four fixed units, so that the second bevel gears 34 drive the rotating shaft 35 to rotate, the rotating shaft 35 acts on the sleeve 36 through threads, so that the sleeve 36 moves along the axis of the rotating shaft 35, and after the sleeve 36 is far away from the fourth motor 32, the sleeve 36 extends out of the outer side of the rolling wheel 18, so that the rolling wheel 18 can be prevented from rotating.
Preferably, in order to rotate the rotating shaft 35 at a fixed position, the positioning unit includes a limiting ring 37 and two side plates 38, the limiting ring 37 is fixed on the rolling wheel 18, the two side plates 38 are respectively located at two sides of the limiting ring 37, and the clamping plate 31 is fixed on the rotating shaft 35. The position of the rotational axis 35 of the rotational shaft 35 is fixed by the retainer ring 37, and the rotational shaft 35 is prevented from sliding along the retainer ring 37 by the two side plates 38, thereby assisting in supporting the rotational shaft 35 to rotate.
Preferably, in order to ensure a smooth movement of the sleeve 36, the fixing unit further comprises a fixing ring 39, the fixing ring 39 being fixed to the roller wheel 18, the fixing ring 39 being fitted over the sleeve 36. The moving direction of the sleeve 36 is fixed by the fixing ring 39, and the rotation of the rotating shaft 35 is prevented from causing the sleeve 36 to rotate, thereby achieving smooth movement of the sleeve 36.
In the human face capturing device, a first camera 5 is used for collecting the image of the crowd in front of a supporting column 2, after the position of the human face is determined, the direction-adjusting component and the first motor 9 drive the second camera 8 to rotate, so that the second camera 8 is sequentially aligned with the faces of all the pedestrians in the crowd to shoot and carry out face recognition, thereby being convenient for searching lost people in the crowd, the second baffle 13 is driven by the moving component to move under the first baffle 12, and the position of the rolling wheel 18 is fixed by the fixing component, thereby fixed second baffle 13's position makes first baffle 12 and second baffle 13 protect first camera 5 and second camera 8, prevents that sunshine from directly shining on first camera 5 and second camera 8, produces the effect of silhouette when avoiding gathering the image to guarantee to gather clear image, guarantee going on smoothly of face identification.
Compared with the prior art, the mechanical equipment with the face recognition function for searching work realizes the flexible control of the angle of the second camera 8 through the capturing mechanism, is convenient for accurately capturing the face image for identity verification, and achieves the aim of searching lost people among people, compared with the prior capturing mechanism, the capturing mechanism has flexible structure, can accurately position the face position for recognition, and can prevent sunlight from directly irradiating the first camera 5 and the second camera 8 through the shading mechanism to ensure that the device can clearly shoot images, compared with the prior shading mechanism, the protection range of the shading mechanism can realize flexible control according to the position and the irradiation direction of the sun, thereby improving the practicability of the equipment, in a remote control transmitting circuit, the conventional components are adopted, while realizing wireless reliable transmission, the production cost is reduced, and the market competitiveness of the remote control circuit is improved; moreover, in the remote control receiving circuit, the first diode VT1 and the second diode VT2 constitute a voltage doubling circuit to perform voltage doubling rectification on the wireless signal corresponding to the fourth inductor L4, so that the wireless signal is reliably received in an induction mode, and the reliability of the remote control circuit is improved.
Claims (10)
1. The mechanical equipment with the face recognition function for searching work is characterized by comprising a bottom plate (1), a support column (2), a top cover (3), a signal plate, a first camera (5), a shading mechanism and two capturing mechanisms, wherein the top cover (3) is fixed above the bottom plate (1) through the support column (2), the first camera (5) is fixed above the top cover (3), the two capturing mechanisms are respectively positioned at two sides of the first camera (5), three signal indicating lamps (4) are arranged on the signal plate, the shading mechanism is positioned above the first camera (5), a PLC is arranged in the bottom plate (1), and the signal indicating lamps (4) and the first camera (5) are electrically connected with the PLC;
the capturing mechanism comprises a fixing plate (6), a direction adjusting component, a mounting plate (7), a hinge component, a second camera (8) and a rotating component, wherein the fixing plate (6) is fixed above the top cover (3), the mounting plate (7) is arranged above the top cover (3) through the hinge component, the direction adjusting component is positioned between the mounting plate (7) and the fixing plate (6), the direction adjusting component is in transmission connection with the mounting plate (7), the rotating component comprises a first motor (9), a driving gear (10), a driven gear (11), a supporting unit and a connecting rod, the first motor (9) is fixed on the mounting plate (7), the first motor (9) is electrically connected with a PLC, the first motor (9) is in transmission connection with the driving gear (10), the driving gear (10) is meshed with the driven gear (11), the second camera (8) is fixed above the driving gear (10) through the connecting rod, the first motor (9) and the second camera (8) are electrically connected with the PLC;
the shading mechanism comprises a first baffle (12), two second baffles (13), two rails (14) and two supports (15), wherein the rails (14) correspond to the supports (15) one by one, the rails (14) are fixed above the top cover (3) through the supports (15), the first baffle (12) is positioned between the two rails (14), the two second baffles (13) are respectively positioned at two sides of the first baffle (12), two sliding grooves are arranged below the first baffle (12), two sliding blocks (16) are arranged above the second baffle (13), the sliding blocks (16) correspond to the sliding grooves one by one, and the sliding blocks (16) are in sliding connection with the sliding grooves;
four moving assemblies are arranged at four corners of the second baffle (13), each moving assembly comprises a second motor (17), a second driving shaft, a rolling wheel (18) and a fixing assembly, the second motor (17) is fixed on the rolling wheel (18), the second motor (17) is electrically connected with the PLC, the second motor (17) is in transmission connection with the rolling wheel (18) through the second driving shaft, the fixing assemblies are located on one side, far away from the second driving shaft, of the rolling wheel (18), limiting plates (40) are arranged above and below the second driving shaft, and the limiting plates (40) are fixed on the inner walls of two sides of the track (14);
a wireless receiving module is arranged in the bottom plate (2), the wireless receiving module comprises a wireless receiving circuit, the wireless receiving circuit comprises a second antenna, a fifth capacitor (C5), a sixth capacitor (C6), a seventh capacitor (C7), an eighth capacitor (C8), a third inductor (L3), a fourth inductor (L4), a third triode (VD3), a first diode (VT1), a second diode (VT2), a third diode (VD2) and a third resistor (R3), the second antenna is grounded through a series circuit formed by the seventh capacitor (C7) and the third inductor (L3), a series circuit formed by the fifth capacitor (C5) and the sixth capacitor (C6) is connected with the third inductor (L3) in parallel, one end of the fourth inductor (L4) is connected with the anode of the first diode (VT1), and the other end of the fourth inductor (L4) is grounded through an eighth capacitor (C8), the base electrode of the third triode (VD3) is respectively connected with the cathode of the first diode (VT1) and the cathode of the second triode, the anode of the second triode is grounded, the emitter of the third triode (VD3) is connected with the anode of the third diode (VD2), the cathode of the third diode (VD2) is grounded, the collector of the third triode (VD3) is externally connected with a 5V direct current voltage power supply through a third resistor (R3), the control circuit comprises an integrated circuit (U1), a fourth resistor (R4), a ninth capacitor (C9), a tenth capacitor (C10), a fourth triode (VD4) and a Buzzer (BL), the model of the integrated circuit (U1) is NE555, the fourth end and the eighth end of the integrated circuit (U1) are externally connected with a 5V direct current voltage power supply, the seventh end of the integrated circuit (U1) is connected with the sixth end of the integrated circuit (U1), the seventh end of the integrated circuit (U1) is connected with an external 5V direct current voltage power supply through a fourth resistor (R4), the seventh end of the integrated circuit (U1) is grounded through a ninth capacitor (C9), the second end of the integrated circuit (U1) is connected with the collector of a third triode (VD3), the first end of the integrated circuit (U1) is grounded, the fifth end of the integrated circuit (U1) is grounded through a tenth capacitor (C10), the third end of the integrated circuit (U1) is connected with the base of a fourth triode (VD4), the emitter of the fourth triode (VD4) is grounded, and the collector of the fourth triode (VD4) is connected with an external 5V direct current voltage power supply through a Buzzer (BL).
2. The mechanical equipment with face recognition function for search work of claim 1, wherein the direction-adjusting component comprises a third motor (19), a driving disk (20), a pulling wire (21), a spring (22), a pressure plate (23) and an abutting shaft (24), the third motor (19) is fixed on the fixing plate (6), the third motor (19) is electrically connected with the PLC, the third motor (19) is in transmission connection with the driving disk (20), the driving disk (20) is connected with the mounting plate (7) through the pulling wire (21), the pressure plate (23) is connected with the fixing plate (6) through the spring (22), the abutting shaft (24) is fixed on the side, far away from the spring (22), of the pressure plate (23), and the spring (22) is in a compressed state.
3. Mechanical device with face recognition function for search work according to claim 2, characterized in that the end of the abutment shaft (24) remote from the pressure plate (23) is provided with a sliding wheel (25).
4. The mechanical equipment with face recognition function for searching work of claim 2, characterized in that the spring (22) is provided with a lug (26) and an orientation rod (27) above and below, the lug (26) and the orientation rod (27) are fixedly connected with the fixing plate (6), and the pressure plate (23) is sleeved on the orientation rod (27).
5. The mechanical device with face recognition function for search work according to claim 1, wherein the hinge assembly comprises two hinge units, the two hinge units are respectively located at two sides of the mounting plate (7), the hinge units comprise an insertion rod (29) and an insertion tube (28), one end of the insertion rod (29) is fixed on the mounting plate (7), the other end of the insertion rod (29) is arranged in the insertion tube (28), and the insertion tube (28) is fixed above the top cover (3).
6. The mechanical device with a face recognition function for a search task according to claim 1, wherein the supporting unit includes a supporting frame (30) and two holding plates (31), the supporting frame (30) is U-shaped, two ends of the supporting frame (30) are fixed on the mounting plate (7), the driven gear (11) is sleeved on the supporting frame (30), the two holding plates (31) are respectively located above and below the driven gear (11), and the holding plates (31) are fixed on the supporting frame (30).
7. The mechanical apparatus with face recognition function for search work according to claim 1, wherein the diameter of the driven gear (11) is three times as large as the diameter of the driving gear (10).
8. The mechanical device with the face recognition function for searching work according to claim 1, wherein the fixing component comprises a fourth motor (32), a first bevel gear (33), and four fixing units, the fourth motor (32) is fixed in the rolling wheel (18), the fourth motor (32) is electrically connected with the PLC, the fourth motor (32) is in transmission connection with the first bevel gear (33), the four fixing units are uniformly distributed on the periphery of the first bevel gear (33) in the circumferential direction, the fixing units comprise a second bevel gear (34), a rotating shaft (35), a sleeve (36) and a positioning unit, the second bevel gear (34) is meshed with the first bevel gear (33), the second bevel gear (34) is fixed at one end of the rotating shaft (35), and the sleeve (36) is sleeved at the other end of the rotating shaft (35), the connecting part of the sleeve (36) and the rotating shaft (35) is provided with a thread matched with the rotating shaft (35), and the rotating shaft (35) is arranged on the rolling wheel (18) through a positioning unit.
9. The mechanical apparatus with face recognition function for search work according to claim 8, wherein the positioning unit comprises a limiting ring (37) and two side plates (38), the limiting ring (37) is fixed on the rolling wheel (18), the two side plates (38) are respectively located at two sides of the limiting ring (37), and the holding plate (31) is fixed on the rotating shaft (35).
10. The mechanical apparatus with face recognition function for search work according to claim 8, wherein said fixing unit further comprises a fixing ring (39), said fixing ring (39) is fixed on the scroll wheel (18), said fixing ring (39) is fitted on the sleeve (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413650.3A CN111222501A (en) | 2018-11-26 | 2018-11-26 | Mechanical equipment with face recognition function for searching work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413650.3A CN111222501A (en) | 2018-11-26 | 2018-11-26 | Mechanical equipment with face recognition function for searching work |
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| Publication Number | Publication Date |
|---|---|
| CN111222501A true CN111222501A (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811413650.3A Pending CN111222501A (en) | 2018-11-26 | 2018-11-26 | Mechanical equipment with face recognition function for searching work |
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| Country | Link |
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| CN (1) | CN111222501A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810505A (en) * | 2021-10-21 | 2021-12-17 | 上海德林威信息科技有限公司 | System for cloud synchronization of face recognition camera data and use method thereof |
-
2018
- 2018-11-26 CN CN201811413650.3A patent/CN111222501A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113810505A (en) * | 2021-10-21 | 2021-12-17 | 上海德林威信息科技有限公司 | System for cloud synchronization of face recognition camera data and use method thereof |
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