Face recognition and acquisition device for intelligent building access control

Abstract

The invention discloses a smart building access control face recognition acquisition device, which comprises a support, a display screen and a camera shooting assembly, the display screen is arranged on the support, the camera shooting assembly comprises a vertical support rail, a lifting adjusting assembly, a sliding seat and a camera, the vertical support rail is of a hollow structure, and the lifting adjusting assembly is arranged on the vertical support rail. The side portion of the vertical supporting rail is provided with a long-strip-shaped opening in the length direction of the vertical supporting rail, the end portion of the vertical supporting rail is provided with a sealing assembly, a partition plate is arranged in the vertical supporting rail and divides the inner space of the vertical supporting rail into an adjusting cavity and a sliding groove, the camera is arranged on the sliding base, the sliding base is arranged in the sliding groove in a sliding mode, and the camera is arranged in the sliding groove. And the lifting adjusting assembly is arranged in the adjusting cavity, acts on the sliding seat and is used for controlling the sliding seat to slide along the sliding groove. Compared with the prior art, the camera can be detached and replaced conveniently, and meanwhile good temperature control of the camera is achieved.

Description

Technical Field

[0001] The present invention relates to the field of access control technology, and in particular to a face recognition and collection device for access control of a smart building. Background Art

[0002] Smart buildings use building automation systems, advanced computer control technology, management software and energy-saving system programs to make the mechanical and electrical equipment of buildings or building complexes run in an orderly, comprehensive and scientific manner, so as to effectively ensure a comfortable and orderly working environment in the building, achieve energy saving, save maintenance and management workload and operating costs. For smart buildings, intelligent access control is also an important component. Face recognition access control is an offline or networked face recognition access control and attendance product. It integrates computer image processing technology and biostatistics principles. It uses computer image processing technology to extract portrait feature points from videos, uses biostatistics principles to analyze and establish mathematical models, and realizes face detection and recognition by comparing mathematical models with faces. The face recognition device of the existing access control system still has certain defects. For example, its camera is the most frequently used component, but it is usually integrated with the display screen, which cannot be easily replaced. At the same time, after long-term use, the temperature of the camera rises, which affects its normal operation and shortens its service life. In view of this, a face recognition acquisition device for access control of smart buildings is proposed. Summary of the invention

[0003] The purpose of the present invention is to provide a face recognition collection device for access control of a smart building, which can realize convenient removal and replacement of the camera and achieve good temperature control.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions:

[0005] A face recognition collection device for access control of a smart building comprises a bracket, a display screen and a camera assembly, wherein the display screen is arranged on the bracket, and the camera assembly comprises a vertical support rail, a lifting and adjusting assembly, a slide seat and a camera, wherein the vertical support rail is arranged as a hollow structure, and a side portion thereof is provided with a long strip opening along its length direction, and an end portion is provided with a closing assembly, and a partition is provided in the vertical support rail, and the partition divides the internal space of the vertical support rail into an adjustment cavity and a slide groove, and the camera is arranged on the slide seat, and the slide seat is slidably arranged in the slide groove and protrudes through the long strip opening, and the lifting and adjusting assembly is arranged in the adjustment cavity and acts on the slide seat to control the slide seat to slide along the slide groove.

[0006] In a preferred embodiment, the camera assembly is arranged on the side of the display screen.

[0007] In a preferred embodiment, a temperature sensor is also provided on the slide seat.

[0008] In a preferred embodiment, the partition is made of aluminum.

[0009] In a preferred embodiment, a graphite conductive tape is provided on the partition, and a power connection electrode is provided on the slide seat, and the power connection electrode contacts the graphite conductive tape.

[0010] In a preferred embodiment, the lifting and adjusting assembly includes a lifting drive mechanism and a magnet, the magnet is driven by the lifting drive mechanism to move along the adjusting cavity, and the slide seat is provided with a magnetic area attracted to the magnet, and is driven by the magnet to slide along the slide groove.

[0011] In a preferred embodiment, the lifting drive mechanism is an electric telescopic rod or a cylinder.

[0012] In a preferred embodiment, the lifting drive mechanism includes a driving motor and an adjusting screw, the adjusting screw is connected to the driving shaft of the driving motor, the magnet is provided with an adjusting screw hole passing through the magnet, and the adjusting screw cooperates with the adjusting screw hole.

[0013] In a preferred embodiment, the camera assembly further includes a guide rod, which is installed in the adjustment cavity and passes through the magnet to provide guidance for the magnet.

[0014] In a preferred embodiment, the closing assembly includes a closing plate, a closing cover and a closing nut, both ends of the guide rod are provided with closing threads, the guide rod passes through the closing plate, the closing nut cooperates with the closing thread, and the closing cover is arranged on the closing plate.

[0015] Compared with the prior art, the present invention provides a face recognition acquisition device for access control of a smart building, wherein the support is used to support a display screen and a camera assembly, the display screen is used to display identification information, and the camera assembly is used to shoot a face image. Among them, the camera assembly includes a vertical support rail, a lifting and adjusting assembly, a slide seat and a camera. Through such a structural setting, the camera can move its position along the slide groove during the working process, and the two ends of the slide groove are detachably closed by a closing assembly, so that the camera can be easily replaced. When replacing, the closing assembly is removed so that the camera can be easily removed and then replaced with a new camera. At the same time, during the working process, the position of the camera can be appropriately adjusted by the lifting and adjusting assembly to avoid it working in a fixed position for a long time and accumulating high temperature at this position, that is, when the camera works in a certain area for a period of time, it is adjusted to another position by the lifting and adjusting assembly. Therefore, through the setting of the structure of this case, on the one hand, the camera can be easily replaced, and on the other hand, the overheating protection of the camera can be realized to avoid the overheating of the camera during long-term high-intensity use, thereby extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a structural schematic diagram of a face recognition collection device for access control of a smart building.

[0017] Figure 2 The present invention relates to a schematic diagram of the longitudinal cross-sectional structure of a camera assembly of a face recognition acquisition device for a smart building door ban along a direction perpendicular to a display screen.

[0018] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure of part A.

[0019] Figure 4 yes Figure 2 Schematic diagram of the enlarged structure of part B.

[0020] Figure 5 The present invention relates to a schematic diagram of the longitudinal cross-sectional structure of a camera assembly of a face recognition acquisition device for access control of a smart building along a direction parallel to a display screen.

[0021] Figure 6 yes Figure 5 Schematic diagram of the enlarged structure of part C.

[0022] Figure 7 yes Figure 5 Schematic diagram of the enlarged structure of part D.

[0023] In the picture

[0024] Bracket 1; display screen 2; camera assembly 3; vertical support rail 4; long strip opening 5; partition 6; graphite conductive belt 7; adjustment cavity 8; slide groove 9; slide seat 10; power electrode 11; magnet 12; adjustment screw hole 13; drive motor 14; adjustment screw 15; guide rod 16; closed thread 17; sealing plate 18; sealing cover 19; closing nut 20; camera 21; temperature sensor 22; fill light 23. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0026] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0027] like Figures 1 to 7 As shown, a face recognition collection device for access control of a smart building includes a bracket 1, a display screen 2 and a camera assembly 3, wherein the display screen 2 is arranged on the bracket 1, and the camera assembly 3 includes a vertical support rail 4, a lifting and adjusting assembly, a slide seat 10 and a camera 21, wherein the vertical support rail 4 is arranged as a hollow structure, and a long strip opening 5 is arranged on its side along its length direction, and a closing assembly is arranged at the end, and a partition plate 6 is arranged in the vertical support rail 4, and the partition plate 6 divides the internal space of the vertical support rail 4 into an adjustment cavity 8 and a slide groove 9, and the camera 21 is arranged on the slide seat 10, and the slide seat 10 is slidably arranged in the slide groove 9 and protrudes through the long strip opening 5, and the lifting and adjusting assembly is arranged in the adjustment cavity 8, acts on the slide seat 10, and is used to control the slide seat 10 to slide along the slide groove 9.

[0028] A face recognition acquisition device for access control of a smart building in this embodiment, wherein the bracket 1 is used to support a display screen 2 and a camera assembly 3, wherein the display screen 2 is used to display identification information, and the camera assembly 3 is used to capture a face image. Among them, the camera assembly 3 includes a vertical support rail 4, a lifting and adjusting assembly, a slide seat 10 and a camera 21. Through such a structural setting, the camera 21 can move its position along the slide groove 9 during operation, and the two ends of the slide groove 9 are detachably closed by a closing assembly, so that the camera 21 can be easily replaced. When replacing, the closing assembly is removed so that the camera 21 can be easily removed, and then a new camera 21 can be replaced. At the same time, during the operation, the position of the camera 21 can be appropriately adjusted by the lifting and adjusting assembly to avoid it working in a fixed position for a long time and accumulating high temperature at the position, that is, when the camera 21 works in a certain area for a period of time, it is adjusted to another position by the lifting and adjusting assembly. Therefore, through the setting of the structure of this embodiment, on the one hand, the camera 21 can be easily disassembled and replaced, and on the other hand, the overheating protection of the camera 21 can be achieved to avoid overheating of the camera 21 during long-term high-intensity use, thereby extending its service life.

[0029] Furthermore, during the operation, in a certain mode, the area for adjusting the position of the camera 21 should be limited, that is, in order to achieve overheat protection of the camera 21, the position of the camera 21 should not be adjusted arbitrarily and widely, because the setting of the camera 21 should be set according to the average height of the crowd, and the first priority is to meet the normal use needs of the crowd. Specifically, the working mode of the camera 21 can be set by the control system, such as a high-height working mode, a medium-height working mode, and a low-height working mode. The high-height working mode is for people with particularly high heights, the medium-height working mode is for people of average height, and the low-height working mode is for people of low height such as children. In a certain working mode, in order to achieve its overheat protection, the range of its position switching should be limited. In actual application, a range of 10 cm is most appropriate.

[0030] The height of the working mode camera 21 for tall stature is preferably set to 1.8m, the height of the working mode camera 21 for medium stature is preferably set to 1.65m, and the height of the working mode camera 21 for short stature is pre-set to 1.3m.

[0031] In order to achieve the setting requirement of the length of the vertical support rail 4, the camera assembly 3 is arranged on the side of the display screen 2, and a fill light 23 for fill light can also be set on the side of the display screen 2 close to the camera assembly 3.

[0032] In order to detect human body temperature, a temperature sensor 22 is also provided on the slide seat 10. The overheat protection function of the device can effectively eliminate the temperature error measured by the temperature sensor 22 caused by overheating, thereby making the temperature test of the temperature sensor 22 more accurate.

[0033] In order to provide excellent heat conduction effect and achieve rapid heat dissipation, the partition 6 is made of aluminum.

[0034] In order to supply power to the camera 21 and the temperature sensor 22 , a graphite conductive tape 7 is provided on the partition 6 , and a power electrode 11 is provided on the slide 10 . The power electrode 11 contacts the graphite conductive tape 7 , and the power electrode 11 is electrically connected to the camera 21 and the temperature sensor 22 .

[0035] The lifting and adjusting assembly includes a lifting drive mechanism and a magnet 12. The magnet 12 is driven by the lifting drive mechanism to move along the adjusting cavity 8. The slide seat 10 is provided with a magnetic area attracted to the magnet 12, or the slide seat 10 itself is made of magnetic material and is driven by the magnet 12 to slide along the slide groove 9. The magnetic effect effectively simplifies the installation control structure of the camera 21, thereby making it easier to remove and replace the camera 21.

[0036] The lifting drive mechanism can be configured as an electric telescopic rod or a cylinder.

[0037] In this embodiment, the lifting drive mechanism is preferably configured as follows: the lifting drive mechanism includes a driving motor 14 and an adjusting screw 15, the adjusting screw 15 is connected to the driving shaft of the driving motor 14, the magnet 12 is provided with an adjusting screw hole 13 penetrating the magnet 12, and the adjusting screw 15 cooperates with the adjusting screw hole 13. The driving motor 14 drives the adjusting screw 15 to rotate, thereby controlling the movement of the magnet 12, and achieving precise position control of the magnet 12, thereby achieving precise position control of the slide 10, that is, achieving precise position control of the camera 21 and the temperature sensor 22.

[0038] In order to stabilize the movement of the magnet 12 , the camera assembly 3 further includes a guide rod 16 . The guide rod 16 is installed in the adjustment cavity 8 and passes through the magnet 12 to provide guidance for the magnet 12 .

[0039] The closure assembly includes a sealing plate 18, a sealing cover 19 and a sealing nut 20. The two ends of the guide rod 16 are provided with sealing threads 17. The guide rod 16 passes through the sealing plate 18. The sealing nut 20 cooperates with the sealing thread 17. The sealing cover 19 is covered on the sealing plate 18. The sealing plate 18 is used to close the adjustment cavity 8 and the slide groove 9. The sealing cover 19 is used to protect the adjustment nut and the internal mechanism. Through the above structural setting, the lifting and adjusting assembly can also be easily repaired and replaced, thereby improving the maintainability of the overall device.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "include..." or "comprise..." do not exclude the existence of other elements in the process, method, article or terminal device including the elements. In addition, in this article, "greater than", "less than", "exceed" and the like are understood to exclude the number itself; "above", "below", "within" and the like are understood to include the number itself.

[0041] The above description of the embodiments is to facilitate the understanding and use of the present invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to the embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments. Improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the protection scope of the present invention.

Claims

1. A face recognition collection device for access control of smart buildings, characterized in that: It includes a bracket, a display screen and a camera assembly, wherein the display screen is arranged on the bracket, and the camera assembly includes a vertical support rail, a lifting and adjusting assembly, a slide seat and a camera, wherein the vertical support rail is arranged as a hollow structure, and its side portion is provided with a long strip opening along its length direction, and its end portion is provided with a closing assembly, and a partition is provided in the vertical support rail, and the partition divides the internal space of the vertical support rail into an adjustment cavity and a slide groove, and the camera is arranged on the slide seat, and the slide seat is slidably arranged in the slide groove and protrudes through the long strip opening, and the lifting and adjusting assembly is arranged in the adjustment cavity and acts on the slide seat to control the slide seat to slide along the slide groove.

2. According to claim 1, a face recognition collection device for access control of a smart building, characterized in that: The camera assembly is arranged on the side of the display screen.

3. According to claim 1, a face recognition collection device for access control of a smart building, characterized in that: The sliding seat is also provided with a temperature sensor.

4. According to claim 1, a face recognition collection device for access control of a smart building, characterized in that: The partition is made of aluminum.

5. According to claim 1, a face recognition collection device for access control of a smart building, characterized in that: A graphite conductive belt is arranged on the partition, and a power-connecting electrode is arranged on the slide seat, and the power-connecting electrode contacts the graphite conductive belt.

6. A face recognition collection device for access control of a smart building according to any one of claims 1 to 5, characterized in that: The lifting and adjusting component comprises a lifting driving mechanism and a magnet. The magnet is driven by the lifting driving mechanism to move along the adjusting cavity. The slide seat is provided with a magnetic area attracted to the magnet and is driven by the magnet to slide along the slide groove.

7. According to claim 6, a face recognition collection device for access control of a smart building, characterized in that: The lifting drive mechanism is an electric telescopic rod or a cylinder.

8. According to claim 6, a face recognition collection device for access control of a smart building, characterized in that: The lifting drive mechanism comprises a driving motor and an adjusting screw, wherein the adjusting screw is connected to a driving shaft of the driving motor, and an adjusting screw hole penetrating the magnet is provided thereon, and the adjusting screw cooperates with the adjusting screw hole.

9. According to claim 6, a face recognition collection device for access control of a smart building, characterized in that: The camera assembly also includes a guide rod, which is installed in the adjustment cavity and passes through the magnet to provide guidance for the magnet.

10. According to claim 9, a face recognition collection device for access control of a smart building, characterized in that: The closing assembly includes a closing plate, a closing cover and a closing nut. Both ends of the guide rod are provided with closing threads. The guide rod passes through the closing plate. The closing nut cooperates with the closing threads. The closing cover is arranged on the closing plate.

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