CN209842644U - Face recognition detection device - Google Patents
Face recognition detection device Download PDFInfo
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- CN209842644U CN209842644U CN201920883082.7U CN201920883082U CN209842644U CN 209842644 U CN209842644 U CN 209842644U CN 201920883082 U CN201920883082 U CN 201920883082U CN 209842644 U CN209842644 U CN 209842644U
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Abstract
The utility model discloses a human face recognition and detection device, which comprises a protective shell, wherein a display screen is arranged on the outer side surface of the protective shell, a through hole is arranged at the top end of the protective shell, and two chutes are arranged on the inner side surface of the top of the protective shell; the camera mounting plate is provided with at least two face recognition cameras with different heights, and the included angle of the axial directions of any two face recognition cameras is an acute angle; at least two distance sensors with different heights are arranged on the outer side surface of the protective shell; memory, face identification camera, control switch, distance sensor, infrared ray human sensor are connected with the input electricity of controller respectively, and first electric telescopic handle, second electric telescopic handle, display screen are connected with the output electricity of controller respectively. The utility model discloses can avoid the inside deposition of protection casing, influence the life of equipment, can also be applicable to the user of various different heights, reduce face identification's time, improve the discernment rate of accuracy.
Description
Technical Field
The utility model relates to a face identification technical field, more specifically relates to a face identification detection device.
Background
Biometric identification technology is classified as one of ten major technologies that revolutionized human society in the 21 st century. The biological characteristic recognition technology is the most convenient and safe identity recognition technology at present, and the biological characteristic recognition technology recognizes a person per se without a marker outside the person. The biological characteristic identification technology utilizes physiological characteristics and behavior characteristics of people to identify identities, and mainly comprises fingerprint identification, face identification, iris identification, gait identification and the like. Face recognition is a big hotspot in the current biometric identification field. Since human faces are the most natural and common identification features in human vision, face recognition technology has been widely used in many fields. Meanwhile, compared with the fingerprint identification technology which is widely applied at present, the fingerprint identification technology has the remarkable advantages of intuition, convenience, non-contact property, friendliness, high user acceptance and the like.
The face recognition is a biological recognition technology for performing identity recognition based on face feature information of a person, and is a series of related technologies, generally called face recognition and face recognition, for acquiring an image or a video stream containing a face by using a camera or a camera, automatically detecting and tracking the face in the image, and further performing face recognition on the detected face.
The existing face recognition equipment is usually fixed at a certain height or a certain direction, and a face recognition device cannot accurately position the shooting position of the face due to different heights or different standing directions of a user, so that the user is required to cooperate to move a head to a proper position, and the position between the head and a camera needs to be continuously adjusted to obtain a face image meeting the recognition requirement, so that the time for shooting and recognizing the face by the face recognition device is prolonged, the working efficiency of the user is reduced, and the good experience of the user is greatly influenced.
Therefore, it is an urgent technical problem to provide a face recognition detection device that can be applied to users with different heights, reduce the time of face recognition, improve the recognition accuracy, save the cost, and prolong the service life of the device.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a face recognition and detection device, which comprises a protective casing, wherein a display screen is installed on the outer side surface of the protective casing, and a controller, a memory, a first electric telescopic rod and a second electric telescopic rod are installed inside the protective casing; the top end of the protection shell is provided with a through hole, one end of the first electric telescopic rod is fixedly connected with the protection shell through a first fixed block, the other end of the first electric telescopic rod is provided with a camera mounting plate, and the width of the through hole is larger than that of the camera mounting plate; two sliding grooves are formed in the inner side face of the top of the protection shell and are respectively located on two sides of the through hole, one end of the second electric telescopic rod is fixedly connected with the protection shell through a second fixed block, the other end of the second electric telescopic rod is provided with a sliding plate, two sides of the sliding plate are respectively connected with the sliding grooves in a sliding mode, and the area of the sliding plate is larger than that of the through hole; at least two face recognition cameras with different heights are arranged on the camera mounting plate along the extension direction of the first electric telescopic rod, and the included angle between the axial directions of any two face recognition cameras is an acute angle; at least two distance sensors with different heights are arranged on the outer side surface of the protection shell along the extension direction of the first electric telescopic rod; the outer side surface of the protective shell is also provided with a control switch and an infrared human body sensor; memory, face identification camera, control switch, distance sensor, infrared ray human sensor are connected with the input electricity of controller respectively, and first electric telescopic handle, second electric telescopic handle, display screen are connected with the output electricity of controller respectively.
Preferably, the number of the distance sensors is the same as the number of the face recognition cameras.
Preferably, three face recognition cameras with different heights are arranged on the camera mounting plate along the extension direction of the first electric telescopic rod, and are respectively a first face recognition camera, a second face recognition camera and a third face recognition camera, wherein the first face recognition camera is arranged above the second face recognition camera, and the third face recognition camera is arranged below the second face recognition camera;
the axial direction of second face identification camera is the horizontal direction, and the axial direction of first face identification camera is first contained angle with the axial direction of second face identification camera, and the axial direction of third face identification camera is the second contained angle with the axial direction of second face identification camera.
Further preferably, the angle range of the first included angle and the angle range of the second included angle are both 5-40 degrees.
Preferably, along first electric telescopic handle's extending direction, be equipped with the three distance sensor of high difference on the lateral surface of protection casing, and be first distance sensor, second distance sensor, third distance sensor respectively, wherein first distance sensor is located second distance sensor's top, and third distance sensor is located second distance sensor's below.
Preferably, the upper and lower both sides of protection casing all outwards extend and are provided with the extension board, and be first extension board and second extension board respectively, all open a plurality of screw holes on first extension board and the second extension board.
Preferably, the protection shell is further provided with an illumination sensor, the camera mounting plate is provided with an LED light supplement lamp, the illumination sensor is electrically connected with the input end of the controller, the LED light supplement lamp is electrically connected with the output end of the controller, and the type of the illumination sensor is HA 2003.
Preferably, the face recognition camera is an infrared camera, and the model of the infrared camera is FORSAFE-Q9.
Preferably, the controller is of the type AT89S51, the infrared human body sensor is of the type Si1102, and the distance sensor is of the type HC-SR 04.
Compared with the prior art, the utility model provides a face identification detection device has realized following beneficial effect at least:
1. when the human face recognition detection is needed, after the human body is sensed to be close by the infrared human body sensor, the whole device is in a starting state by the control switch, and the human face recognition camera extends out of the protective shell; when the device does not need the during operation for a long time, the first telescopic link of controller control is shrink, make the camera mounting panel retract inside the protection casing, then the extension of second electric telescopic handle is controlled again to the controller, cover the through-hole in driving the spout that the sliding plate slided to the through-hole, thereby can be in the protection casing with the face identification camera on the one hand, it does not receive the harm to protect the face identification camera, on the other hand second electric telescopic handle drives the sliding plate and makes a round trip to slide and covers the through-hole, avoid the inside deposition of protection casing, influence the life of equipment.
2. The utility model discloses when carrying out face identification and examining, different signals that detect through the distance sensor of high difference, the controller starts the face identification camera of co-altitude not on the camera mounting panel, because the contained angle of the axial direction of two arbitrary face identification cameras is the acute angle, can make the face identification camera of co-altitude not obtain the user's of different heights face information from the angle of difference respectively, and can also enlarge face information acquisition's effective visual angle scope.
3. The utility model discloses to the user of different heights, as long as it enters into the effective visual angle within range that all face identification cameras formed, just can discern and detect accurate and comprehensive face information, need not carry out any posture adjustment, reduced the restriction to human body height, not only avoided first electric telescopic handle for the frequent flexible equipment that causes of user that adapts to different heights damages, saved face identification's time, improved user experience.
4. The utility model discloses can make face identification camera and distance sensor cooperate, corresponding distance sensor detects the human inductive signal that is close to, the face identification camera that controller control is relative starts and carries out face identification and detect, make the face identification camera of the not co-altitude of controller control start, can reach higher discernment rate of accuracy when, can also practice thrift the energy consumption, reduce the cost to can avoid all equipment to open and consume the resource, be favorable to the energy-conserving development of equipment.
5. The utility model discloses an upper and lower both sides of protection casing are all outwards extended and are provided with the extension board, and all open a plurality of screw holes on first extension board and the second extension board to can be convenient for fix this face identification detection device on any position, portable reliable.
6. The utility model discloses a still install a light sensor on the protection casing, install the LED light filling lamp on the camera mounting panel, when light sensor detected ambient brightness not high, can open the LED light filling lamp around the face identification camera through the controller, carry out the light filling and shine, avoid causing the facial image precision of collection not high inadequately because of illumination intensity in face identification testing process to can further promote the discernment effect.
7. The utility model discloses a width of through-hole is greater than the width of camera mounting panel, can make the flexible more convenient of camera mounting panel, avoids the width undersize of through-hole to cause the camera mounting panel can't follow the through-hole back and forth movement.
8. The utility model discloses an area of sliding plate is greater than the area of through-hole to can guarantee that the sliding plate can cover the through-hole, further avoid the inside deposition of protection casing.
Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic front view of a face recognition and detection device provided in an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the protective housing of FIG. 1;
FIG. 3 is a side view of the camera mounting plate of FIG. 1;
FIG. 4 is a functional block diagram of FIG. 1;
fig. 5 is a schematic front view of another face recognition and detection device provided in the embodiment of the present invention;
FIG. 6 is a side view of the camera mounting plate of FIG. 5;
FIG. 7 is a functional block diagram of FIG. 5;
fig. 8 is a schematic front view of another face recognition and detection device according to an embodiment of the present invention;
FIG. 9 is a functional block diagram of FIG. 8;
reference numerals: 1. the protection casing, 2, the display screen, 3, a controller, 4, a memory, 5, first electric telescopic handle, 51, first fixed block, 6, second electric telescopic handle, 61, the second fixed block, 7, the through-hole, 8, the camera mounting panel, 9, the spout, 10, the sliding plate, 11, face identification camera 11, 111, first face identification camera, 112, second face identification camera, 113, third face identification camera, 12, distance sensor, 121, first distance sensor, 122, the second distance sensor, 123, the third distance sensor, 13, control switch, 14, infrared ray human sensor, 15, first extension board, 16, the second extension board, 17, the screw hole, 18, the light sensor, 19, the LED light filling lamp.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic front view structure diagram of a face recognition and detection device provided in an embodiment of the present invention, fig. 2 is a schematic internal structure diagram of a protection housing in fig. 1, fig. 3 is a schematic side view structure diagram of a camera mounting plate in fig. 1, fig. 4 is a frame diagram of a working principle of fig. 1, the face recognition and detection device provided in this embodiment includes a protection housing 1, a display screen 2 is installed on an outer side surface of the protection housing 1, and a controller 3, a memory 4, a first electric telescopic rod 5 and a second electric telescopic rod 6 are installed inside the protection housing 1; the top end of the protection shell 1 is provided with a through hole 7, one end of the first electric telescopic rod 5 is fixedly connected with the protection shell 1 through a first fixing block 51, the other end of the first electric telescopic rod 5 is provided with a camera mounting plate 8, and the width W1 of the through hole 7 is larger than the width W2 of the camera mounting plate 8;
two sliding grooves 9 are formed in the inner side face of the top of the protection shell 1, the sliding grooves 9 are respectively located on two sides of the through hole 7, one end of the second electric telescopic rod 6 is fixedly connected with the protection shell 1 through a second fixing block 61, the other end of the second electric telescopic rod 6 is provided with a sliding plate 10, two sides of the sliding plate 10 are respectively in sliding connection with the sliding grooves 9, and the area S1 of the sliding plate 10 is larger than the area S2 of the through hole 7;
along the extending direction Y of the first electric telescopic rod 5, at least two face recognition cameras 11 with different heights are arranged on the camera mounting plate 8, and the included angle alpha of the axial directions (shown by dotted lines in the figure) of any two face recognition cameras 11 is an acute angle;
at least two distance sensors 12 with different heights are arranged on the outer side surface of the protective shell 1 along the extension direction Y of the first electric telescopic rod 5;
the outer side surface of the protective shell 1 is also provided with a control switch 13 and an infrared human body sensor 14; memory 4, face identification camera 11, control switch 13, distance sensor 12, infrared ray human sensor 14 are connected with the input electricity of controller 3 respectively, and first electric telescopic handle 5, second electric telescopic handle 6, display screen 2 are connected with the output electricity of controller 3 respectively.
Specifically, the face identification detection device of this embodiment, through with controller 3, memory 4, first electric telescopic handle 5, parts protection such as second electric telescopic handle 6 and face identification camera 12 are inside protecting casing 1, when face identification detection work is carried out to needs, after 14 sensing of infrared ray human body inductor sensing are close to the human body, control switch 13 makes whole device be in the on state, then through 6 roll-offs of controller 3 control second electric telescopic handle drive sliding plate 10 follow spout 9 of through-hole 7 in the shrink, expose through-hole 7, controller 3 controls 5 extensions of first electric telescopic handle again, and drive camera mounting panel 8 and stretch out from through-hole 7, and then make two at least different face identification cameras 11 of height on the camera mounting panel 8 discern the detection to the face of human body. Wherein, width W1 of through-hole 7 is greater than the width W2 of camera mounting panel 8, can make the flexible more convenient of camera mounting panel 8, avoids the width W1 undersize of through-hole 7 to cause camera mounting panel 8 can't follow through-hole 7 back and forth movement.
Specifically, when the face recognition detection is carried out, at least two distance sensors 12 with different heights are arranged on the outer side surface of the protective shell 1 along the extension direction Y of the first electric telescopic rod 5, the controller 3 thus activates the face recognition cameras of different heights on the camera mounting plate 8, for example, when only the distance sensor 12 with a lower height detects the sensing signal of the approaching human body, which indicates that the human body to be identified and detected has a lower height, the controller 3 controls the corresponding face identification camera 11 to identify and detect the face of the human body, in this embodiment, since the included angle alpha between the axial directions (shown by the dotted lines in the figure) of any two face recognition cameras 11 is an acute angle (as shown in figure 3), therefore, to detect the face of a person with a short height, the controller 3 needs to start the face recognition camera 11 with a high height to perform face recognition on the person; in contrast, when all the distance sensors 12 detect the sensing signal of the approaching human body, which indicates that the height of the human body to be identified and detected is higher, the controller 3 controls the corresponding face recognition cameras 11 to identify and detect the face of the human body, in this embodiment, because the included angle α between the axial directions (indicated by the dotted lines in the drawing) of any two face recognition cameras 11 is an acute angle (as shown in fig. 3), the face of the human body with the higher height needs to be detected, and the controller 3 needs to start the face recognition camera 11 with the lowest height to identify the face of the human body. The included angle α between the axial directions (indicated by the dotted lines in the figure) of any two face recognition cameras 11 is an acute angle, so that the face recognition cameras 11 with different heights can respectively acquire face information of users with different heights from different angles, and the effective view angle range (region C in fig. 3) of face information acquisition can be enlarged. Optionally, the distance sensor 12 of this embodiment can also be corresponding under the out-of-operation state, the face recognition cameras 11 with different heights are all opened, to the user of different heights this moment, as long as it enters into the effective visual angle within range that all face recognition cameras 11 formed, just can discern and detect accurate and comprehensive face information, need not carry out any posture adjustment, the restriction to human body height has been reduced, not only avoided first electric telescopic handle 5 to frequently stretch out and draw back the equipment damage that causes for the user who adapts to different heights, face recognition's time has been saved, user experience has been improved.
After the face recognition detection work is finished, the image content collected by the face recognition camera 11 is compared with the image content stored in the memory 4, whether the user is judged, and the recognition result is displayed through the display screen 2, so that the user can see the recognition result clearly and conveniently.
Face identification detection device does not need the during operation for a long time, when the long-time (this time length can set up) signal that the human body of infrared ray human sensor 14 is close to, controller 3 controls first telescopic link 5 shrink, make camera mounting panel 8 retract inside protection casing 1, then controller 3 controls the extension of second electric telescopic handle 6 again, cover through-hole 7 in driving sliding plate 10 and sliding to the spout 9 of through-hole 7, can be in protection casing 1 with face identification camera 11 on the one hand, it does not receive the harm to protect face identification camera 11, on the other hand second electric telescopic handle 6 drives sliding plate 10 and makes a round trip to slide and cover through-hole 7, avoid the inside deposition of protection casing 1, influence the life of equipment. The area S1 of the sliding plate 10 is larger than the area S2 of the through hole 7, so that the sliding plate 10 can cover the through hole 7, and the dust accumulation inside the protective casing 1 can be further avoided.
It should be noted that, in this embodiment, the models of the display screen 2, the controller 3, the memory 4, the first electric telescopic rod 5, the second electric telescopic rod 6, the face recognition camera 11, the control switch 13, the distance sensor 12, and the infrared human body sensor 14 are not particularly limited, for example, the model of the controller 3 may be AT89S51, the model of the infrared human body sensor 14 is Si1102, and the model of the distance sensor 12 is HC-SR04, and in the specific implementation, the selection may be performed according to actual situations.
It should be further described that, optionally, the first electric telescopic rod 5 and the second electric telescopic rod 6 of the present embodiment may adopt a structure in the prior art to realize an electric telescopic function, for example, a structure of a hydraulic rod, and the present embodiment does not limit the specific structure thereof.
In some alternative embodiments, please continue to refer to fig. 1-4, in this embodiment, the number of the distance sensors 12 is the same as the number of the face recognition cameras 11.
The embodiment further explains that the number of the distance sensors 12 is the same as that of the face recognition cameras 11, so that the face recognition cameras 11 can be matched with the distance sensors 12, the corresponding distance sensors 12 detect the sensing signals of the approach of the human body, and then the controller 3 controls the opposite face recognition cameras 11 to be started for face recognition detection, so that the situation that all equipment is opened to consume resources can be avoided, and the energy-saving development of the equipment is facilitated.
In some optional embodiments, please refer to fig. 5, fig. 6 and fig. 7, fig. 5 is a front view structural schematic diagram of another face recognition detection device provided in the embodiment of the present invention, fig. 6 is a side view structural schematic diagram of the camera mounting plate in fig. 5, fig. 7 is a working principle frame diagram of fig. 5, in this embodiment, along the extending direction Y of the first electric telescopic rod 5, three face recognition cameras 11 with different heights are arranged on the camera mounting plate 8, and are respectively a first face recognition camera 111, a second face recognition camera 112, and a third face recognition camera 113, wherein the first face recognition camera 111 is arranged above the second face recognition camera 112, and the third face recognition camera 113 is arranged below the second face recognition camera 112;
the axial direction of the second face recognition camera 112 is the horizontal direction, the axial direction of the first face recognition camera 111 and the axial direction of the second face recognition camera 112 form a first included angle α 1, and the axial direction of the third face recognition camera 113 and the axial direction of the second face recognition camera 112 form a second included angle α 2.
In this embodiment, the extending direction Y of the first electric telescopic rod 5 is further limited, three face recognition cameras 11 with different heights are arranged on the camera mounting plate 8, an included angle α between axial directions (shown by dotted lines in the figure) of any two face recognition cameras 11 is an acute angle, an axial direction of the second face recognition camera 112 is a horizontal direction, an axial direction of the first face recognition camera 111 and an axial direction of the second face recognition camera 112 form a first included angle α 1, an axial direction of the third face recognition camera 113 and an axial direction of the second face recognition camera 112 form a second included angle α 2, so that the first face recognition camera 111 can be used for recognizing a person with a short height (such as a child or less than 150 cm), an effective viewing angle range of the second face recognition camera 112 covers a person with a normal height as much as possible, and is used for recognizing a person with a height in a normal range (such as 150 plus 170cm), the third face recognition camera 113 is used for recognizing the person with a high height (for example, more than 175 cm), and the range of the effective visual angle formed by the face recognition cameras 11 can be enlarged as much as possible due to the arrangement of the face recognition cameras 11 with different heights, so that the limitation on the height of the human body can be greatly reduced when the face image is collected, and the face recognition camera is suitable for users with different heights.
In some optional embodiments, please continue to refer to fig. 5-7, in the present embodiment, the angle range of the first included angle α 1 and the angle range of the second included angle α 2 are both 5-40 degrees.
The embodiment further defines that the axial direction of the first face recognition camera 111 and the axial direction of the second face recognition camera 112 are the first included angle α 1, the angular range in which the axial direction of the third face recognition camera 113 and the axial direction of the second face recognition camera 112 are both the second included angle α 2 is 5 to 40 degrees, it is avoided that the first included angle α 1 and the second included angle α 2 are too small to cause the cross influence of the two face recognition cameras 11 on the respective recognition effect, it can be avoided that the too large angles of the first included angle α 1 and the second included angle α 2 cause the mutual parallelism of the visual angles of the three face recognition cameras 11, and thus the recognition effect cannot be influenced by the large visual angle range.
In some optional embodiments, please refer to fig. 5 to 7, in this embodiment, three distance sensors 12 with different heights are disposed on the outer side surface of the protection casing 1 along the extending direction Y of the first electric telescopic rod 5, and are respectively a first distance sensor 121, a second distance sensor 122, and a third distance sensor 123, wherein the first distance sensor 121 is located above the second distance sensor 122, and the third distance sensor 123 is located below the second distance sensor 122.
In this embodiment, the extending direction Y of the first electric telescopic rod 5 is further limited, and three distance sensors 12 with different heights are arranged on the outer side surface of the protection shell 1, so that when only the third distance sensor 123 detects an induction signal of a human body approaching, it is indicated that the height of the human body to be identified and detected is short, then the controller 3 controls the uppermost first face identification camera 111 to identify and detect the face of the human body; when only the third distance sensor 123 and the second distance sensor 122 detect the sensing signal of the approaching human body, which indicates that the height of the human body to be identified and detected is normal at this time, the controller 3 controls the middle second face identification camera 112 to identify and detect the face of the human body; at third distance sensor 123, second distance sensor 122, when first distance sensor 121 all detected the human induction signal that is close to, it is higher to explain the height of the person who needs the discernment detection this moment, then controller 3 control third face identification camera 113 of below is discerned the detection to the face of human body, this embodiment sets up distance sensor 12's quantity and face identification camera 11 to corresponding, thereby can be according to the signal of the sensing of the distance sensor 12 of co-altitude, make controller 3 control co-altitude face identification camera 11 of co-altitude not start, can reach higher discernment rate of accuracy, can also practice thrift the energy consumption, reduce cost.
In some optional embodiments, please refer to fig. 8, fig. 8 is a schematic front view structure diagram of another face recognition and detection device provided in an embodiment of the present invention, in this embodiment, the upper and lower sides of the protection casing 1 are both provided with extending plates extending outward, and are respectively a first extending plate 15 and a second extending plate 16, and a plurality of threaded holes 17 are formed on the first extending plate 15 and the second extending plate 16.
The embodiment further explains that the upper and lower sides of the protection casing 1 are both provided with extending plates extending outwards, and the first extending plate 15 and the second extending plate 16 are both provided with a plurality of threaded holes 17, so that the face recognition and detection device can be conveniently fixed at any position, and is portable and reliable.
In some optional embodiments, please continue to refer to fig. 8 and 9, and fig. 9 is a frame diagram of the working principle of fig. 8, in this embodiment, an illumination sensor 18 is further installed on the protection housing 1, an LED light supplement lamp 19 is installed on the camera mounting plate 8, the illumination sensor 18 is electrically connected to an input end of the controller 3, and the LED light supplement lamp 19 is electrically connected to an output end of the controller 3.
This embodiment further explains and has still installed an illumination sensor 18 on the protection casing 1, installs LED light filling lamp 19 on the camera mounting panel 8, when illumination sensor 18 detected ambient brightness not high, can open the LED light filling lamp 19 around face identification camera 11 through controller 3, carry out the light filling and shine, avoid causing the facial image precision of collection not high inadequately because of illumination intensity in face identification detection process to can further promote the discernment effect.
It should be noted that, in this embodiment, specific models of the illumination sensor 18 and the LED light supplement lamp 19 are not limited, for example, the model of the illumination sensor 18 may be HA2003, and during specific implementation, the model may be selected according to actual situations, and details are not described in this embodiment.
In some optional embodiments, please continue to refer to fig. 1 to 9, in this embodiment, the face recognition camera 11 is an infrared camera.
The embodiment further defines that the face recognition camera 11 is an infrared camera, optionally, the model of the infrared camera is FORSAFE-Q9, and the infrared camera can achieve a better face image acquisition effect.
According to the above embodiment, the utility model provides a face identification detection device has realized following beneficial effect at least:
1. when the human face recognition detection is needed, after the human body is sensed to be close by the infrared human body sensor, the whole device is in a starting state by the control switch, and the human face recognition camera extends out of the protective shell; when the device does not need the during operation for a long time, the first telescopic link of controller control is shrink, make the camera mounting panel retract inside the protection casing, then the extension of second electric telescopic handle is controlled again to the controller, cover the through-hole in driving the spout that the sliding plate slided to the through-hole, thereby can be in the protection casing with the face identification camera on the one hand, it does not receive the harm to protect the face identification camera, on the other hand second electric telescopic handle drives the sliding plate and makes a round trip to slide and covers the through-hole, avoid the inside deposition of protection casing, influence the life of equipment.
2. The utility model discloses when carrying out face identification and examining, different signals that detect through the distance sensor of high difference, the controller starts the face identification camera of co-altitude not on the camera mounting panel, because the contained angle of the axial direction of two arbitrary face identification cameras is the acute angle, can make the face identification camera of co-altitude not obtain the user's of different heights face information from the angle of difference respectively, and can also enlarge face information acquisition's effective visual angle scope.
3. The utility model discloses to the user of different heights, as long as it enters into the effective visual angle within range that all face identification cameras formed, just can discern and detect accurate and comprehensive face information, need not carry out any posture adjustment, reduced the restriction to human body height, not only avoided first electric telescopic handle for the frequent flexible equipment that causes of user that adapts to different heights damages, saved face identification's time, improved user experience.
4. The utility model discloses can make face identification camera and distance sensor cooperate, corresponding distance sensor detects the human inductive signal that is close to, the face identification camera that controller control is relative starts and carries out face identification and detect, make the face identification camera of the not co-altitude of controller control start, can reach higher discernment rate of accuracy when, can also practice thrift the energy consumption, reduce the cost to can avoid all equipment to open and consume the resource, be favorable to the energy-conserving development of equipment.
5. The utility model discloses an upper and lower both sides of protection casing are all outwards extended and are provided with the extension board, and all open a plurality of screw holes on first extension board and the second extension board to can be convenient for fix this face identification detection device on any position, portable reliable.
6. The utility model discloses a still install a light sensor on the protection casing, install the LED light filling lamp on the camera mounting panel, when light sensor detected ambient brightness not high, can open the LED light filling lamp around the face identification camera through the controller, carry out the light filling and shine, avoid causing the facial image precision of collection not high inadequately because of illumination intensity in face identification testing process to can further promote the discernment effect.
7. The utility model discloses a width of through-hole is greater than the width of camera mounting panel, can make the flexible more convenient of camera mounting panel, avoids the width undersize of through-hole to cause the camera mounting panel can't follow the through-hole back and forth movement.
8. The utility model discloses an area of sliding plate is greater than the area of through-hole to can guarantee that the sliding plate can cover the through-hole, further avoid the inside deposition of protection casing.
Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. A face recognition detection device is characterized by comprising a protective shell, wherein a display screen is mounted on the outer side face of the protective shell, and a controller, a memory, a first electric telescopic rod and a second electric telescopic rod are mounted inside the protective shell; the top end of the protection shell is provided with a through hole, one end of the first electric telescopic rod is fixedly connected with the protection shell through a first fixed block, the other end of the first electric telescopic rod is provided with a camera mounting plate, and the width of the through hole is larger than that of the camera mounting plate;
two sliding grooves are formed in the inner side face of the top of the protection shell and are respectively located on two sides of the through hole, one end of the second electric telescopic rod is fixedly connected with the protection shell through a second fixed block, the other end of the second electric telescopic rod is provided with a sliding plate, two sides of the sliding plate are respectively connected with the sliding grooves in a sliding mode, and the area of the sliding plate is larger than that of the through hole;
along the extending direction of the first electric telescopic rod, at least two face recognition cameras with different heights are arranged on the camera mounting plate, and the included angle between the axial directions of any two face recognition cameras is an acute angle;
at least two distance sensors with different heights are arranged on the outer side surface of the protection shell along the extension direction of the first electric telescopic rod;
the outer side surface of the protective shell is also provided with a control switch and an infrared human body sensor; the storage, the face identification camera, control switch, distance sensor, infrared ray human sensor respectively with the input electricity of controller is connected, first electric telescopic handle, second electric telescopic handle the display screen respectively with the output electricity of controller is connected.
2. The face recognition detection device of claim 1, wherein the number of distance sensors is the same as the number of face recognition cameras.
3. The face recognition detection apparatus according to claim 1,
along the extension direction of the first electric telescopic rod, three face recognition cameras with different heights are arranged on the camera mounting plate and are respectively a first face recognition camera, a second face recognition camera and a third face recognition camera, wherein the first face recognition camera is arranged above the second face recognition camera, and the third face recognition camera is arranged below the second face recognition camera;
the axial direction of second face identification camera is the horizontal direction, the axial direction of first face identification camera with the axial direction of second face identification camera is first contained angle, the axial direction of third face identification camera with the axial direction of second face identification camera is the second contained angle.
4. The face recognition detection device according to claim 3, wherein the angle range of the first included angle and the angle range of the second included angle are both 5-40 degrees.
5. The face recognition detection apparatus according to claim 1,
follow first electric telescopic handle's extending direction, be equipped with the three of high difference on the lateral surface of protection casing distance sensor, and be first distance sensor, second distance sensor, third distance sensor respectively, wherein first distance sensor is located second distance sensor's top, third distance sensor is located second distance sensor's below.
6. The face recognition and detection device according to claim 1, wherein the upper and lower sides of the protection housing are provided with extension plates extending outward, and the extension plates are respectively a first extension plate and a second extension plate, and the first extension plate and the second extension plate are provided with a plurality of threaded holes.
7. The face recognition and detection device according to claim 1, wherein an illumination sensor is further mounted on the protective housing, an LED fill-in light is mounted on the camera mounting plate, the illumination sensor is electrically connected to an input end of the controller, the LED fill-in light is electrically connected to an output end of the controller, and the illumination sensor is of a type HA 2003.
8. The face recognition detecting device according to claim 1, wherein the face recognition camera is an infrared camera, and the model of the infrared camera is FORSAFE-Q9.
9. The face recognition detecting device of claim 1, wherein the controller is of type AT89S51, the infrared human body sensor is of type Si1102, and the distance sensor is of type HC-SR 04.
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| CN201920883082.7U CN209842644U (en) | 2019-06-12 | 2019-06-12 | Face recognition detection device |
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| CN201920883082.7U CN209842644U (en) | 2019-06-12 | 2019-06-12 | Face recognition detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111583457A (en) * | 2020-04-28 | 2020-08-25 | 德施曼机电（中国）有限公司 | Intelligent door lock system based on face recognition |
| CN112733805A (en) * | 2021-01-29 | 2021-04-30 | 盛唐智能科技(河南)有限公司 | Data acquisition device for face recognition |
| CN112747216A (en) * | 2020-12-18 | 2021-05-04 | 熵基科技股份有限公司 | Novel face recognition device |
| CN113420712A (en) * | 2021-07-08 | 2021-09-21 | 杭州比特信息技术有限公司 | Face recognition system and method |
| CN113780218A (en) * | 2021-09-17 | 2021-12-10 | 杭州指悦网络科技有限公司 | Face recognition terminal for food safety monitoring |
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2019
- 2019-06-12 CN CN201920883082.7U patent/CN209842644U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111583457A (en) * | 2020-04-28 | 2020-08-25 | 德施曼机电（中国）有限公司 | Intelligent door lock system based on face recognition |
| CN112747216A (en) * | 2020-12-18 | 2021-05-04 | 熵基科技股份有限公司 | Novel face recognition device |
| CN112733805A (en) * | 2021-01-29 | 2021-04-30 | 盛唐智能科技(河南)有限公司 | Data acquisition device for face recognition |
| CN113420712A (en) * | 2021-07-08 | 2021-09-21 | 杭州比特信息技术有限公司 | Face recognition system and method |
| CN113420712B (en) * | 2021-07-08 | 2022-02-18 | 杭州比特信息技术有限公司 | Face recognition system and method |
| CN113780218A (en) * | 2021-09-17 | 2021-12-10 | 杭州指悦网络科技有限公司 | Face recognition terminal for food safety monitoring |
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