CN211906393U - A hanging face recognition device for a gate - Google Patents

Abstract

The utility model discloses a hanging type face recognition device for a gate, comprising a gate frame, a mounting base, a camera, a sensing device and a controller. The gate frame is arranged perpendicular to the ground, and the sensing device is composed of It is composed of several pressure sensors and infrared sensors. The infrared sensors and the camera are staggered and arranged on the gate frame at equal distances. The camera is fixed on the gate frame through the installation base. The installation base is connected to the gate through two elastic connecting blocks. For rack connection, there is an arc-shaped chute on the surface of the installation base, a slider is arranged in the chute, a pull rope is connected to the back of the slider, one end of the pull rope is wound on the rotating shaft, and the top of the slider is fixed by screws with a "T" ” type installation block; the device of the utility model can perform face recognition on multiple people passing through the gate at the same time, which improves the recognition speed, reduces crowding, and saves power resources; the whole device is easy to disassemble, and the angle of the camera can be adjusted freely .

Description

A hanging face recognition device for a gate

technical field

The utility model relates to the technical field of safety monitoring, in particular to a hanging type face recognition device for a gate.

Background technique

A gate is a channel management device used to manage the flow of people and regulate the entry and exit of pedestrians. Its most basic and core function is to realize the entrance and exit of only one person at a time, which can be used for various occasions. In order to facilitate the management of employees and regulate employee access, gates are commonly used in many companies and factories.

In the prior art, the face recognition system of the gate has the following deficiencies:

1. There are strict requirements on the standing position and angle of pedestrians.

2. Face recognition cannot be performed on multiple pedestrians at the same time, which is likely to cause crowding.

3. It is inconvenient to disassemble and needs to be adjusted by professionals.

Utility model content

The purpose of the present utility model is to provide a hanging type face recognition device for a gate, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a hanging face recognition device for a gate, comprising a gate frame, a mounting base, a camera, a sensing device and a controller, and the gate frame is perpendicular to the ground The sensing device is composed of several pressure sensors and infrared sensors. The infrared sensors and the cameras are arranged on the gate frame at equal distances, and the cameras are fixed on the gate frame through the mounting base. The mounting base It is connected with the gate frame through two elastic connecting blocks. The surface of the installation base is provided with a circle of arc-shaped chute, and the chute is provided with a slider. The rear side of the slider is connected with a pull rope. The top is fixedly connected with a "T"-shaped mounting block by screws. The top of the mounting block is fixedly connected to the camera, and the camera is wirelessly connected to the controller. The rotating shaft is connected to a stepping motor through a coupling, and the input end of the stepping motor is connected to the controller. Electrical connection.

Preferably, the surface of the connecting block is covered with barb-shaped projections, one end of the connecting block is correspondingly provided with a screw hole, and the screw hole is provided with a fastening screw.

Preferably, the chute is a "concave" structure, and the slider is completely located in the chute.

Preferably, the pressure sensors are provided with three groups and are distributed equidistantly, and the three groups of pressure sensors are respectively located directly below the gate frame and on the front and rear sides of the gate frame.

Preferably, the infrared sensor is a pyroelectric infrared sensor of model LH1958, and the infrared sensor is provided with a light-emitting element.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the device of the present utility model can simultaneously perform face recognition on a plurality of people passing through the gate, effectively reducing the crowding of the crowd; In addition, the whole device is easy to disassemble, and the angle of the camera can be adjusted freely, so that the face information can be well captured.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the connection schematic diagram of the slider and the rotating shaft in the utility model;

Fig. 3 is the connection schematic diagram of the controller in the utility model;

Fig. 4 is the structural representation of the chute in the utility model;

Fig. 5 is the structural representation of the connecting block in the utility model;

FIG. 6 is a schematic structural diagram of a mid-infrared sensor of the present invention.

In the picture: 1 gate rack, 2 mounting base, 3 cameras, 4 infrared sensors, 5 connecting blocks, 6 pressure sensors, 7 stepping motors, 8 rotating shafts, 9 pulling ropes, 10 controllers, 11 chute, 12 sliders , 13 mounting blocks, 14 light-emitting elements, 15 bumps, 16 fastening screws.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-3. In an embodiment of the present invention, a hanging face recognition device for a gate includes a gate frame 1, a mounting base 2, a camera 3, a sensing device and a controller 10. The gate The rack 1 is arranged perpendicular to the ground, and the sensing device is composed of several pressure sensors 6 and infrared sensors 4. The infrared sensors 4 and the camera 3 are staggered and arranged on the gate rack 1 at equal distances, and the camera 3 is installed by The base 2 is fixed on the gate frame 1, the installation base 2 is connected with the gate frame 1 through two elastic connecting blocks 5, the surface of the installation base 2 is provided with a circle of arc-shaped chute 11, and the chute 11 is provided with a slider 12. The rear side of the slider 12 is connected with a pull rope 9, one end of the pull rope 9 is wound on the rotating shaft 8, the top of the slider 12 is fixedly connected with a "T"-shaped mounting block 13 by screws, and the top of the mounting block 13 is fixedly connected with the camera 3 , the camera 3 is wirelessly connected with the controller 10 , the rotating shaft 8 is connected with a stepping motor 7 through a coupling, and the input end of the stepping motor 7 is electrically connected with the controller 10 .

The chute 11 is a "concave" structure, and the slider 12 is completely located in the chute 11 .

The pressure sensors 6 are provided with three groups and are distributed at equal distances. The three groups of pressure sensors 6 are respectively located directly below the gate frame 1 and on the front and rear sides of the gate frame 1 .

By adopting the device of the utility model, the face recognition can be performed on a plurality of people passing through the gate at the same time, which effectively reduces the crowding of the crowd; at the same time, the pressure sensor 6 and the infrared sensor 4 can sense the approaching people or objects, so that the camera can 3. Start or temporarily sleep, saving power resources; in addition, the whole device is easy to disassemble, and the angle of the camera 3 can be adjusted freely, so that face information can be well captured.

The device of the present invention mainly senses the approach of the human body through the sensing device. When someone approaches, the pressure sensor 6 located under the gate frame 1 will sense the pressure, and the infrared sensor 4 located on the gate frame 1 will also sense the pressure. Infrared temperature of the human body, thus avoiding the startup of the entire device when the sundries are close, and playing a role in energy saving; when the controller 10 receives the information from the sensing device, it will turn on the camera 3, so as to use the camera 3 to and the captured video is transmitted to the face recognition module in the controller 10 in real time for face recognition; when it is determined that the employee matches the face information in the database, it can be controlled by the controller 10 The gate opens; otherwise, the gate does not open. Since there are multiple cameras 3 on the gate frame 1 to shoot and record faces, many people can pass through at the same time, thereby avoiding problems such as slow passage of people and serious congestion of people.

When the angle of the camera 3 needs to be adjusted, the controller 10 controls the stepping motor 7 to drive the rotating shaft 8 to rotate a certain number of turns, thereby pulling the slider 12 to move a certain distance in the slideway through the pull rope 9. At this time, the mounting block 13 will drive the camera 3 Rotating a certain angle in the slide area enables the camera 3 to better collect face information. The entire device is highly automated, enabling precise control and easy adjustment. The arrangement of the chute 11 and the slider 12 enables the slider 12 to move along the track of the chute 11 without falling off.

Referring to FIG. 5 , in the embodiment of the present invention, the surface of the connecting block 5 is covered with barb-shaped protrusions 15 , one end of the connecting block 5 is correspondingly provided with a screw hole, and the screw hole is provided with a fastening screw 16 .

The mounting base 2 is mainly sheathed outside the gate frame 1 through the connecting block 5, and the connecting block 5 is gradually tightened by tightening the fastening screws 16, so that the mounting base 2 is fixed on the gate frame 1, and the disassembly is convenient; the connecting block 5 The convex block 15 on the upper part can increase the friction between the connecting block 5 and the gate frame 1 to prevent the installation base 2 from sliding relative to the gate frame 1 .

Referring to FIG. 6 , in the embodiment of the present invention, the infrared sensor 4 is a pyroelectric infrared sensor of the LH1958 model, and the infrared sensor 4 is provided with a light-emitting element 14 .

The pressure sensor 6 is mainly used to sense the weight of the object approaching the gate, thereby judging that there is an object approaching; while the infrared sensor is mainly used to sense the approaching creature, so as to avoid the camera 3 from operating the object that is not necessary for identification, saving energy; At the same time, when a human body approaches, the light-emitting element 14 in the infrared sensor will emit red light, indicating that the whole device is running.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one of the present invention examples or examples. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. These embodiments are selected and described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (5)

1. A hanging face recognition device for a gate, comprising a gate frame (1), a mounting base (2), a camera (3), a sensing device and a controller (10), characterized in that: the gate The rack (1) is arranged perpendicular to the ground, the sensing device is composed of several pressure sensors (6) and infrared sensors (4), the infrared sensors (4) and the camera (3) are staggered and arranged at the gate at equal distances On the frame (1), the camera (3) is fixed on the gate frame (1) through a mounting base (2), and the mounting base (2) is connected to the gate frame (1) through two elastic connecting blocks (5) ) connection, an arc-shaped chute (11) is arranged on the surface of the installation base (2), a slider (12) is arranged in the chute (11), and a pull rope (9) is connected to the rear side of the slider (12) for pulling One end of the rope (9) is wound on the shaft (8), the top of the slider (12) is fixedly connected with a "T"-shaped mounting block (13) by screws, and the top of the mounting block (13) is fixedly connected with the camera (3). (3) Wirelessly connected with the controller (10), the rotating shaft (8) is connected with a stepper motor (7) through a coupling, and the input end of the stepper motor (7) is electrically connected with the controller (10). 2 . The suspended face recognition device for a gate according to claim 1 , wherein the surface of the connecting block ( 5 ) is covered with barb-shaped bumps ( 15 ), and the connecting block ( 5 ) One end is correspondingly provided with a screw hole, and a fastening screw (16) is arranged in the screw hole. 3 . The suspended face recognition device for a gate according to claim 1 , wherein the chute ( 11 ) is a “concave” structure, and the slider ( 12 ) is completely located in the chute. 4 . (11). 4 . The suspended face recognition device for a gate according to claim 1 , wherein the pressure sensors ( 6 ) are provided with three groups and are distributed at equal distances, and the three groups of pressure sensors ( 6 ) are respectively located at the gate. 5 . Right below the frame (1) and on the front and rear sides of the gate frame (1). 5. The hanging type face recognition device for a gate according to claim 1, wherein the infrared sensor (4) is a pyroelectric infrared sensor of the LH1958 model, and the infrared sensor (4) is provided with a Light emitting element (14).

Images