CN212137829U

CN212137829U - A face identification monitoring device for security protection

Info

Publication number: CN212137829U
Application number: CN202021199144.1U
Authority: CN
Inventors: 张艳芳; 周孝群; 李启耀; 后伟; 金柳晔; 马超
Original assignee: Shanghai Kaida Safety Technology Engineering Co ltd
Current assignee: Shanghai Kaida Safety Technology Engineering Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-11
Anticipated expiration: 2030-06-24

Abstract

A face recognition monitoring device for security comprises a face recognition monitoring device body, a voltage-stabilized power supply, an electric telescopic rod, two sets of photoelectric switches and a control circuit; the camera and the second set of photoelectric switch of the human face recognition monitoring device body are arranged in the shell; the electric telescopic rod is arranged in the shell of the face recognition monitoring device body, and the upper end of a plunger rod of the electric telescopic rod is connected with the lower end of the shell; the first set of photoelectric switch is arranged in the shell, and the stabilized voltage power supply and the control circuit are arranged on a circuit board in the shell; and is electrically connected with the photoelectric switch. In this novel application, when personnel were close face identification monitoring device body, need not stoop or stand on tiptoe, under relevant circuit and mechanism combined action, can adjust the co-altitude of camera according to personnel's different heights automatically, make camera front end effectively aim at personnel's face, and then gathered facial information for personnel and brought the convenience to facial image information acquisition effect has been improved.

Description

A face identification monitoring device for security protection

Technical Field

The utility model relates to a supervisory equipment technical field, especially a face identification monitoring device for security protection.

Background

The human face recognition refers in particular to a computer technology utilizing analysis and comparison. Face recognition is a popular computer technology research field and is widely applied in the fields of security protection, shopping and the like. When the face recognition technology is applied to the field of security protection, a person needing face image information collection is close to a camera of the face recognition device in use, the camera collects face information of the person, the face information of the person is compared with face information of corresponding persons stored in the system, after the face information is compared correctly, the control system opens devices (such as an entrance guard and the like) controlled by the control system, the comparison is incorrect, and the control system does not output a control instruction to the controlled devices.

The existing face recognition equipment is convenient for people with different heights to acquire image information by aligning the face with the camera, and the position of the camera is generally lower, so that the people with low heights can acquire the face information conveniently, but the people with high heights need to bend down to operate when acquiring the face information, and inconvenience is brought to the people with high heights; in order to take care of the face information collected by the person with high height, the camera is arranged higher, and inconvenience is brought to the person with low height for collecting the information. Based on the above, the human face recognition monitoring device which can automatically adjust the height of the camera according to the height of the person and bring convenience to the person needing to acquire the facial image information is particularly necessary.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the prior face recognition equipment cannot effectively take account of the fact that the adopted camera cannot effectively collect face image information of people with different heights due to the structure, and can bring invariance to people needing to collect the face image information, the utility model provides a photoelectric switch is arranged at the lower end of the front side of a face recognition monitoring device body and the upper end of the camera, the camera can be controlled by an electric telescopic rod to move up and down, in application, when the person approaches the face recognition monitoring device body, the person does not need to bend over or tiptoe, under the combined action of the related circuits and the mechanism, the camera can automatically adjust different heights according to different heights of people, so that the front end of the camera can effectively aim at the face of the people, and then brought the convenience for personnel's collection face information to a face identification monitoring device for security protection that has improved face image information acquisition effect.

The utility model provides a technical scheme that its technical problem adopted is:

a face recognition monitoring device for security comprises a face recognition monitoring device body, a voltage-stabilized power supply, an electric telescopic rod and two sets of photoelectric switches, and is characterized by further comprising a control circuit; the camera and the second set of photoelectric switch of the human face recognition monitoring device body are arranged in the shell; the electric telescopic rod is arranged in the shell of the face recognition monitoring device body, and the upper end of a plunger rod of the electric telescopic rod is connected with the lower end of the shell; the first set of photoelectric switch is arranged in the shell, and the voltage-stabilizing power supply and the control circuit are arranged on a circuit board in the shell; the power supply output end of the voltage-stabilized power supply is respectively and electrically connected with the two power supply input ends of the first set of photoelectric switch and the two power supply input ends of the control circuit; the control power supply output ends of the first set of photoelectric switches are electrically connected with the first path of control power supply input end of the control circuit, the first path of control power supply output end of the control circuit is electrically connected with the two power supply input ends of the second set of photoelectric switches respectively, and the two power supply output ends of the second set of photoelectric switches are electrically connected with the second path of control power supply input end of the control circuit; and the second path and the third path of control power supply output ends of the control circuit are respectively and electrically connected with the positive and negative poles and the negative and positive poles of the electric telescopic rod.

Further, the stabilized voltage supply is an alternating current to direct current switching power supply module.

Further, the optoelectronic switch is a reflective optoelectronic switch.

Further, the control circuit comprises four relays which are connected through circuit board wiring, a first relay control power supply input end is connected with a third relay, a fourth relay anode control power supply input end is connected, a first relay normally open contact end and a cathode power supply input end are connected with a fourth relay anode input end, a cathode and a cathode control power supply input end are respectively connected, two normally open contact ends of the fourth relay are connected with a second relay anode control power supply input end, the cathode and the cathode control power supply input end are respectively connected, a first relay normally closed contact end is connected with a third relay anode power supply input end, and a second relay and a third relay cathode and a cathode control power supply input end are connected.

The utility model has the advantages that: this novel front side lower extreme at face identification monitoring device body, and the photoelectric switch has all been installed to the camera upper end, the camera can be by electric telescopic handle control up-and-down motion, in the application, when personnel are close face identification monitoring device body, need not stoop or stand on the tiptoe, under first set of photoelectric switch and control circuit effect, electric telescopic handle can drive the camera upward movement, when the camera is close personnel's face and face, under second set of photoelectric switch and control circuit effect, electric telescopic handle can stop going upward, the facial picture information acquisition of camera to personnel has been made things convenient for. After the face image information is collected by the personnel and leaves the face recognition monitoring device body, the camera can move downwards to return to the initial position, and preparation is made for collecting the face image information of the next personnel. This novel can be automatically according to the different heights of personnel's different heights adjust the not co-altitude of camera, make the camera front end effectively aim at personnel's face, and then gather face information for personnel and brought the convenience to face image information acquisition effect has been improved. Based on the above, this is novel has good application prospect.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1, a face recognition monitoring device for security comprises a face recognition monitoring device body 1, a voltage-stabilized power supply 2, an electric telescopic rod 3, two sets of

photoelectric switches

41 and 42, and a control circuit 5; the camera 101 of the face recognition monitoring device body and the face recognition monitoring device body 1 are of a split structure, the camera 101 is independently installed inside a rectangular shell 6, a second set of photoelectric switch 41 and the camera 101 are longitudinally distributed and installed inside the shell 6 at a certain distance (about 6 cm) from top to bottom, and a front end detection head of the photoelectric switch 41 and the front end of the camera 101 are located outside two openings in the front end of the shell 6; the upper end of a shell 102 of the face recognition monitoring device body 1 is provided with two openings 103, a barrel body of an electric telescopic rod 3 is arranged in the middle of the upper end in the shell 102 through a screw nut, a plunger rod of the electric telescopic rod 3 is positioned in the opening in the middle of the upper end of the shell, the outer diameter of the plunger rod is smaller than the inner diameter of the opening 103, and a flange plate at the upper end of the plunger rod of the electric telescopic rod 3 and the middle of the lower end of a shell; the lead wires connected with the camera 101 and the photoelectric switch 41 enter the shell 102 through the opening at the left end of the shell 102; the first set of photoelectric switches 41 is longitudinally arranged in the middle of the shell 102, the detection heads of the first set of photoelectric switches are positioned outside the opening of the front middle part of the shell 102, and the stabilized voltage power supply 2 and the control circuit 5 are arranged on the circuit board in the shell. After the plunger rod of the electric telescopic rod 3 moves downwards to a stop point, the lower end of the shell 6 and the upper end of the shell 102 are separated by a certain distance, and the height of the camera 101 at the moment is slightly lower than the face height of a person requiring the lowest height in face image information acquisition.

As shown in FIG. 2, regulated power supply A1 is a 220V/12V/100W AC 220V to 12V DC switching power supply module product. Electric telescopic handle M is model PXTL, operating voltage direct current 12V's electric putter finished product, electric putter M includes the inside multistage reducing gear of motor and barrel, in operation, the motor positive and negative poles are after getting the electricity, under the effect of reducing gear etc., electric putter M's plunger rod can go upward, the stroke is 45cm, the motor negative and positive poles are after getting the electricity, under the effect of reducing gear etc., electric putter M's plunger rod can be down, electric putter M is inside to have limit switch, when the plunger rod moved top dead center and bottom dead center, the motor all can lose the electricity, the plunger rod no longer moves, only reverse input power supply plunger rod just can move once more. Two sets of photoelectric switches A2 and A3 are reflective photoelectric switch finished products of model MT-J18-D50NK, and have two power input ends 1 and 2 pins and a high level output end 3 pin, when in work, according to different types, infrared beams emitted by a transmitting head of a detecting head at the front end of the photoelectric switch are blocked by objects, a receiving head at the front end of the detecting head receives rear high level output or does not output high level, the high level or does not output when no object blocks, the farthest detection distance is 50cm, an adjusting knob is arranged in the rear end of a shell, when the adjusting knob is adjusted leftwards, the detection distance is close, and when the adjusting knob is adjusted rightwards, the detection distance is far (when the object blocks in front of the detecting head of the photoelectric switch A2, the high level is output, and when no object blocks in front of the detecting head of the photoelectric switch A3, the high level is output). The control circuit comprises four relays K1, K2, K3 and K4 which are connected through circuit board wiring, a first relay K1 control power supply input end is connected with a third relay K4 and a fourth relay K3 positive control power supply input end, a first relay K1 normally open contact end and negative power supply input end are respectively connected with a fourth relay K4 positive input end and a negative control power supply input end, two normally open contact ends of a fourth relay K4 are respectively connected with a second relay K2 positive control power supply input end and a negative control power supply input end, a first relay K1 normally closed contact end is connected with a third relay K3 positive power supply input end, and a second relay K2 and a third relay K3 negative control power supply input end are connected. The power input ends 1 and 2 of the stabilized voltage power supply A1 and two poles of an alternating current 220V power supply are respectively connected through leads, the power output ends 3 and 4 of the stabilized voltage power supply A1 are respectively connected with the two power input ends 1 and 2 of the first set of photoelectric switch A2, and the control power input end and the negative power input end of the two power input end relay K1 of the control circuit are respectively connected through leads; the control power output end pin 3 of the first set of photoelectric switch A2 is connected with the positive power input end of the first path control power input end relay K1 of the control circuit through a lead, two normally open contact ends of the first path control power output end relay K4 of the control circuit are respectively connected with two power input ends 1 and 2 pins of the second set of photoelectric switch A3 through leads, and the two power output ends pin 3 and pin 2 of the second set of photoelectric switch A3 are respectively connected with the positive power input end and the negative power input end of the second path control power input end relay K2 of the control circuit through leads; two normally closed contact ends of a second path of control power supply output end relay K2, two normally open contact ends of a third path of control power supply output end relay K3 and positive and negative poles of the electric telescopic rod M are respectively connected through leads.

As shown in fig. 1 and 2, after the 220V ac power enters pins 1 and 2 of the regulated power supply a1, the pins 3 and 4 of the regulated power supply a1, under the action of its internal circuit, will output a stable 12V power to enter the two ends of the power input of the first set of opto-electronic switch a2 and the control circuit, so that the first set of opto-electronic switch a2 and the control circuit are in power-on operation. When someone needs to brush the face to operate and approach the front side of the human face recognition monitoring device body 1, the person can block the infrared light beam emitted by the detection head of the photoelectric switch A2, then, the photoelectric switch A2 can output high level to enter the positive power input end of the relay K1 under the action of the internal circuit of the photoelectric switch A2, the relay K1 is electrified to attract the control power input end and the normally open contact end of the relay to be closed, and the control power input end and the normally closed contact end of the relay to be opened. Because, the anodal power input of relay K4 end with the normally open contact end of relay K1 is connected, so relay K4 can get electric actuation its two control power input ends and two normally open contact ends are closed respectively this moment, because 1 and 2 feet of photoelectric switch A3, two control power input ends of relay K2 and two normally open contact end connections of relay K4, so photoelectric switch A3 can get electric work this moment, two control power input ends of relay K2 can get electric. At this moment, someone shelters from its 3 feet and can not export high level before the infrared light beam that photoelectric switch A3 detecting head transmitted, relay K2 loses its two control power supply input ends of electricity and two normally closed contact ends are closed respectively like this, because, two normally closed contact ends of relay K2 are connected respectively with electric telescopic handle M plus-minus two poles of the earth power supply input end, so electric telescopic handle M can get electric work this moment, the plunger rod drives casing 6 to go upward under its inside motor reduction gear effect, then, photoelectric switch A3 and camera all can go upward. After the casing went upward a section distance, when photoelectric switch A3's detecting head height just was higher than face image information acquisition personnel's head, the infrared light beam of photoelectric switch A3's detecting head transmission is no longer blockked, can export the high level and get into relay K2 anodal power input end, then, relay K2 gets electric actuation its two control power input ends and two normally closed contact ends open a way, and then, electric telescopic handle M loses the electricity stop work, no longer drive casing and camera, photoelectric switch A3 upwards moves, the camera front end just aims at personnel's face at this moment, can gain good face image information acquisition effect. In practical situations, under the action of an internal mechanism of the electric telescopic rod M, a plunger rod of the electric telescopic rod M stops moving after moving to a top dead center.

Fig. 1, 2 is shown, accomplish when personnel's collection face image information, leave behind the 1 front end of face identification monitoring device body, owing to do not have its 3 feet of unblock stop output high level before photoelectric switch A2's the detecting head, and then relay K1 loses electric control power input end and normally open contact end opens a way, control power input end and normally closed contact end are closed, relay K4 loses its two control power input ends of electricity and two normally open contact ends open a way, photoelectric switch A3's 1 foot loses electricity, relay K2's positive pole and negative pole control power input end are because there is not power input, electric telescopic handle M just so can lose electricity and no longer work. Because the normally closed contact end of the relay K1 is connected with the positive power supply input end of the relay K3, every time a person leaves the front end of the face recognition monitoring device body 1, after the relay K1 loses power, the relay K3 can be electrified to close two control power supply input ends and two normally open contact ends of the relay K3 respectively; because, two normally open contacts of relay K3 and electric telescopic handle M negative and positive two-pole power input end are connected respectively, so electric telescopic handle M can be electrified work this moment, and the plunger rod drives casing 6 down under its inside motor reduction gear effect, and then, photoelectric switch A3 and camera all can be down. After electric telescopic handle M drove the casing down to the dead point, electric telescopic handle M loses the electricity and stops work, no longer drives casing and camera, photoelectric switch A3 downstream, and the camera front end is located the minimum position of face identification monitoring device body 1 at this moment, and it is ready to gather face picture information for next personnel.

Fig. 1, 2 are shown, through all above-mentioned circuits and mechanism combined action, in this novel application, when personnel are close face identification monitoring device body 1, need not stoop or stand on tiptoe, first, second set

photoelectric switch

41 and 42, control circuit 5 is under the effect, electric telescopic handle 3 can drive camera 101 upward movement, when camera 101 is close personnel's face and face, under second set photoelectric switch 42 and control circuit 5 effect, electric telescopic handle 3 can stop going upward, made things convenient for camera 101 to personnel's facial picture information acquisition. After the person finishes collecting the face image information and leaves the face recognition monitoring device body, the camera 101 moves downwards to return to the initial position, and preparation is made for collecting the face image information of the next person. This novel can be automatically according to the different heights of personnel's different heights adjust the not co-altitude of camera, make the camera front end effectively aim at personnel's face, and then gather face information for personnel and brought the convenience to face image information acquisition effect has been improved. Relays K1, K2, K3, K4 are DC12V relays.

The essential features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A face recognition monitoring device for security comprises a face recognition monitoring device body, a voltage-stabilized power supply, an electric telescopic rod and two sets of photoelectric switches, and is characterized by further comprising a control circuit; the camera and the second set of photoelectric switch of the human face recognition monitoring device body are arranged in the shell; the electric telescopic rod is arranged in the shell of the face recognition monitoring device body, and the upper end of a plunger rod of the electric telescopic rod is connected with the lower end of the shell; the first set of photoelectric switch is arranged in the shell, and the voltage-stabilizing power supply and the control circuit are arranged on a circuit board in the shell; the power supply output end of the voltage-stabilized power supply is respectively and electrically connected with the two power supply input ends of the first set of photoelectric switch and the two power supply input ends of the control circuit; the control power supply output ends of the first set of photoelectric switches are electrically connected with the first path of control power supply input end of the control circuit, the first path of control power supply output end of the control circuit is electrically connected with the two power supply input ends of the second set of photoelectric switches respectively, and the two power supply output ends of the second set of photoelectric switches are electrically connected with the second path of control power supply input end of the control circuit; and the second path and the third path of control power supply output ends of the control circuit are respectively and electrically connected with the positive and negative poles and the negative and positive poles of the electric telescopic rod.

2. The face recognition and monitoring device for security and protection as claimed in claim 1, wherein the regulated power supply is an ac to dc switching power supply module.

3. The device according to claim 1, wherein the optoelectronic switch is a reflective optoelectronic switch.

4. The device of claim 1, wherein the control circuit comprises four relays connected by circuit board wiring, the first relay control power input terminal is connected to the third relay and the fourth relay positive control power input terminal, the first relay normally open contact terminal and negative power input terminal are connected to the fourth relay positive input terminal, the negative control power input terminal and negative control power input terminal, the fourth relay normally open contact terminal and second relay positive control power input terminal and negative control power input terminal are connected respectively, the first relay normally closed contact terminal is connected to the third relay positive power input terminal, and the second relay and third relay negative control power input terminal are connected.