CN220627094U

CN220627094U - Rain-proof face recognition device

Info

Publication number: CN220627094U
Application number: CN202322372439.4U
Authority: CN
Inventors: 孙钰凯; 王璇; 焦璞; 涂桂旺; 邱旭强; 朱长红
Original assignee: YANTAI CHIJIU CLOCK-WATCH CO LTD
Current assignee: YANTAI CHIJIU CLOCK-WATCH CO LTD
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-03-19
Anticipated expiration: 2033-09-01

Abstract

The application provides a rainproof face recognition device which comprises a shell, an image capturing unit, an image processing unit and a fan; the image capturing unit is positioned in the shell and comprises a lens, and the lens is exposed out of the front end face of the shell; the image processing unit is positioned in the shell and connected with the image capturing unit; the front end face of the shell is provided with an air outlet surrounding the lens, and the rear end face of the shell is provided with an air inlet; the fan is arranged in the shell and blows air to the front end of the shell. The device can form the wind wall around the lens to prevent rainwater from falling onto the lens from the side face or the bottom face by arranging the air outlet on the front end face of the shell, and meanwhile, the visual field of the lens is not blocked, so that the face recognition device still has good rainproof effect and snap effect in weather. In addition, the heat generated by the electronic element can be emitted along with the air flow from the air outlet, so that the heat dissipation effect is achieved.

Description

Rain-proof face recognition device

Technical Field

The utility model relates to the technical field of face recognition equipment, in particular to a rainproof face recognition device.

Background

Face recognition is a biological recognition technology that performs identity recognition based on facial features of a person. The face recognition technology at present is quite mature, and is widely applied to safety monitoring, safety management and the like, such as campuses, parks, stations and the like, and the face information is captured through face recognition equipment to carry out identity recognition so as to discover suspected persons in time or track the suspected persons, thereby improving the safety of people in life.

The existing face recognition device for safety monitoring is usually installed outdoors, and in rainy days, rainwater can drop onto a lens to influence the quality of a captured image or image of the face recognition device. For rain protection, a flashing is usually provided on top of the front end of the face recognition device, i.e. on top of the lens, as described in CN 211878607U. However, the rain shielding effect of the rain shielding plate is not ideal, especially in rainy days, the rain shielding plate cannot completely shield the rainwater, and the rain drops still can be dripped on the lens from other directions under the influence of wind.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a rainproof face recognition device.

The technical scheme of the utility model is as follows:

a rainproof face recognition device comprises a shell, an image capturing unit, an image processing unit and a fan.

The image capturing unit is arranged in the shell and comprises a lens, the lens is exposed out of the front end face of the shell, and an image or an image in the visual field range of the lens is acquired and transmitted to the image processing unit.

The image processing unit is arranged in the shell and connected with the image capturing unit, and is used for identifying the characteristic information of the human face of the person according to the image or the image captured by the image capturing unit, comparing the characteristic information with the information stored in the system library and identifying the identity of the person.

The casing is cylindrical or fillet rectangle, and the bottom surface is installed on the mount generally, and its preceding terminal surface is equipped with the air outlet that encircles the camera lens, and the terminal surface is equipped with the air inlet behind the casing.

The fan is arranged in the shell and positioned between the air outlet and the air inlet, and blows air to the front end of the shell.

When wind and rain are on the sky, the air flows out from the air outlet through the fan, an air wall is formed around the lens, and under the action of the air wall, raindrops can be blown away when approaching the lens, so that the influence of the rainwater on the lens on the snapshot of the image is avoided.

Specifically, the air outlet is arranged along the edge of the front end face of the shell so as to increase the protection area of the air wall to the front end face of the shell.

In order to increase the rain-proof effect, the top of the front end face of the shell is extended forward to form a rain-proof plate, the rain-proof plate is used for preventing rain, the corresponding air outlet at the top of the front end face can be omitted, and the air outlets arranged along the left side, the right side and the bottom side of the front end face of the shell are reserved, so that the air speed flowing out of the rest air outlets is faster, and the rain-proof effect is better.

As one embodiment, the air outlet is a strip-shaped opening.

Specifically, the air outlet consists of a plurality of strip-shaped openings with the same length, the strip-shaped openings are arranged along the edge of the front end face of the shell in an extending mode, and the interval between two adjacent strip-shaped openings is the same, preferably 3-5 mm.

In another embodiment, the air outlet may be formed by a plurality of circular holes, which are uniformly spaced along the edge of the front end surface of the housing, and the spacing distance between two adjacent circular holes is preferably 3-5 mm.

In addition, when encountering strong wind, there may be rainwater breaking through the wind wall and falling onto the lens, in order to cope with such accident, the front end bottom surface of the shell is rotationally connected with a guide plate, one end of the guide plate is connected with the front end bottom surface of the shell, the other end of the guide plate extends forward and bends towards the front end surface of the shell, and the air flow blown out from the air outlet near the lower edge of the front end surface of the shell can flow to the lens through the blocking guide of the guide plate, so that the rainwater on the lens can be dried rapidly.

The shell is also internally provided with a controller for controlling the rotation of the guide plate, and when the guide plate is not used, the guide plate rotates backwards from bottom to top, so that the air outlet is not blocked.

The rain-proof face recognition device of this application still includes meteorological sensor and temperature sensor, is connected with the controller respectively, and the controller is connected with the fan.

The weather sensor is arranged outside the shell and used for detecting weather, and when rainfall is detected, a signal is sent to the controller to control the fan to start.

The temperature sensor is arranged in the shell, detects the temperature of an electronic element in the shell, and sends a signal to the controller to control the fan to start when the temperature is too high, and the air outlet plays a role of a heat dissipation hole.

In order to prevent rainwater from entering the shell from the air inlet at the rear end of the shell to damage electronic components, the edge of the rear end face of the shell is extended backwards to form a rain cover, and the range of the rain cover is enough for the rainwater to be unable to contact the air inlet from any direction.

According to the rainproof face recognition device, the air outlet is formed in the front end face of the shell, so that the air wall can be formed around the lens to prevent rainwater from falling onto the lens from the side face or the bottom face, and meanwhile, the view of the lens is not blocked, and the face recognition device still has good rainproof effect and snap effect in weather. In addition, the heat generated by the electronic element can be emitted along with the air flow from the air outlet, so that the heat dissipation effect is achieved.

Drawings

In the drawings:

FIG. 1 is a schematic diagram of a rain-proof face recognition device;

FIG. 2 is a schematic side view of a rain-proof face recognition device;

FIG. 3 is a schematic front view of the housing;

fig. 4 is a schematic front view of a housing of another embodiment.

The components represented by the reference numerals in the figures are:

1. a housing; 11. an air outlet; 12. an air inlet; 13. a flashing; 14. a rain cover; 2. an image capturing unit; 21. a lens; 3. an image processing unit; 4. a fan; 5. a controller; 6. a deflector; 7. a weather sensor; 8. a temperature sensor.

Detailed Description

As shown in fig. 1 and 2, the utility model provides a rainproof face recognition device, which comprises a shell 1, an image capturing unit 2, an image processing unit 3 and a fan 4.

The image capturing unit 2 is disposed in the housing 1, and includes a lens 21, where the lens 21 exposes a front end surface of the housing 1, acquires an image or an image within a field of view of the front end surface, and transmits the image or the image to the image processing unit 3.

The image processing unit 3 is arranged in the shell 1 and connected with the image capturing unit 2, and recognizes the characteristic information of the human face of the person according to the image or image captured by the image capturing unit 2, compares the characteristic information with the information stored in the system library, and recognizes the identity of the person.

The casing 1 is a cylindrical or round rectangular body, the bottom surface of the casing 1 is usually mounted on a fixing frame (not shown in the figure), the front end surface of the casing is provided with an air outlet 11 surrounding a lens 21, and the rear end surface of the casing 1 is provided with an air inlet 12.

The fan 4 is disposed in the housing 1 and located between the air outlet 11 and the air inlet 12, and blows air toward the front end of the housing 1.

When encountering wind and rain, the fan 4 pushes air to enable air to flow out from the air outlet 11, an air wall is formed around the lens 21, and raindrops can be blown away when approaching the lens 21 under the action of the air wall, so that the influence of the rainwater on the lens 21 on the snapshot of images is avoided.

Specifically, the air outlet 11 is disposed along the edge of the front end surface of the casing 1, so as to increase the protection area of the air wall to the front end surface of the casing 1.

In order to increase the rainproof effect, the top of the front end face of the shell 1 is extended forward to form a flashing 13, the flashing is realized by a solid plate, the corresponding air outlet 11 at the top of the front end face can be omitted, and the air outlets 11 arranged along the left side, the right side and the bottom side of the front end face of the shell 1 are reserved, so that the air speed flowing out of the rest air outlets 11 is faster, and the rainproof effect is better. It will be appreciated that an air outlet 11 which retains the top of the front face may also be used.

In this embodiment, as shown in fig. 3, the air outlet 11 may be a strip-shaped opening.

Specifically, the air outlet 11 is composed of a plurality of strip-shaped openings with the same length, and the strip-shaped openings are arranged along the edge of the front end face of the shell 1 in an extending manner, and the interval between two adjacent strip-shaped openings is the same, preferably 3-5 mm.

In another embodiment, as shown in fig. 4, the air outlet 11 may also be formed by a plurality of circular holes, which are uniformly spaced along the edge of the front end surface of the casing 1, and the spacing distance between two adjacent circular holes is preferably 3-5 mm.

In addition, when strong wind is encountered, there is a possibility that rainwater breaks through the wind wall and falls onto the lens 21, and in order to cope with such an accident, the front end bottom surface of the housing 1 is rotatably connected with the baffle 6, as shown in fig. 2, one end of the baffle 6 is connected with the front end bottom surface of the housing 1, and the other end extends forward and bends toward the front end surface of the housing 1, and preferably bends in an arc shape.

The air flow blown out from the air outlet 11 near the lower edge of the front end surface of the shell 1 is blocked and guided by the guide plate 6, and can flow to the lens 21, so that the rainwater on the lens 21 can be quickly dried.

Correspondingly, the controller 5 is further arranged in the shell 1 to control the rotation of the guide plate 6, and when no rainwater exists on the lens 21, the guide plate 6 rotates from bottom to back, so that the air outlet 11 is not blocked.

The rain-proof face recognition device of this application still includes meteorological sensor 7 and temperature sensor 8, is connected with controller 5 respectively, and controller 5 is connected with fan 4.

A weather sensor 7 is provided outside the housing 1 for detecting weather and when rainfall is detected, a signal is sent to the controller 5 to control the fan 4 to be started.

The temperature sensor 8 is arranged in the shell 1, detects the temperature of electronic elements in the shell 1, and sends a signal to the controller 5 to control the fan 4 to start when the temperature is too high, and the air outlet 11 plays a role of a heat dissipation hole.

In addition, the gas with heat flows out from the air outlet 11, so that the evaporation of rainwater can be quickened, and the rainproof effect is enhanced.

In this application, in order to avoid damage to electronic components caused by rainwater entering the housing 1 from the air inlet 12 at the rear end of the housing 1, the rear end face edge of the housing 1 is extended rearward with a rain cover 14, and the rain cover 14 has a covering range sufficient for preventing rainwater from contacting the air inlet 12 from any direction.

According to the rainproof face recognition device provided by the utility model, the air outlet 11 is formed in the front end face of the shell 1, so that an air wall can be formed around the lens 21 to prevent rainwater from falling onto the lens 21 from the side face or the bottom face, and meanwhile, the view of the lens 21 is not blocked, so that the face recognition device still has a good rainproof effect and a snapshot effect in weathers. In addition, the heat generated by the electronic component can flow out from the air outlet 11 along with the air flow, so that the heat dissipation effect is realized, the rainwater can be evaporated, and the rainproof effect is enhanced.

Claims

1. The rainproof face recognition device is characterized by comprising a shell (1), an image capturing unit (2), an image processing unit (3) and a fan (4);

the image capturing unit (2) is positioned in the shell (1) and comprises a lens (21), and the lens (21) is exposed out of the front end face of the shell (1);

the image processing unit (3) is positioned in the shell (1) and is connected with the image capturing unit (2);

an air outlet (11) surrounding the lens (21) is formed in the front end face of the shell (1), and an air inlet (12) is formed in the rear end face of the shell (1);

the fan (4) is arranged in the shell (1) and blows air to the front end of the shell (1).

2. A rain-proof face recognition device according to claim 1, wherein the air outlet (11) is provided along the front face edge of the housing (1).

3. A rain-proof face recognition device according to claim 2, wherein the top of the front face of the housing (1) is provided with a rain-proof plate (13) extending forward, and the air outlets (11) are provided along the left and right sides and the bottom side of the front face of the housing (1).

4. A rain-proof face recognition device according to any one of claims 1-3, wherein the air outlet (11) is a strip-shaped opening.

5. A rain-proof face recognition device according to claim 4, wherein the air outlet (11) is formed by a plurality of strip-shaped openings with the same length, and the interval between two adjacent strip-shaped openings is the same.

6. A raintight face recognition device according to claim 5, wherein the distance between two adjacent strip-shaped openings is 3-5 mm.

7. A rain-proof face recognition device according to any one of claims 1-3, wherein the air outlet (11) is formed by a plurality of circular holes uniformly spaced along the front face edge of the housing (1).

8. The rainproof face recognition device according to claim 1, further comprising a controller (5) disposed in the housing (1), wherein the front bottom surface of the housing (1) is rotatably connected with a deflector (6), and the air outlet (11) can be close to an air flow guiding lens (21) at the lower edge of the front end surface of the housing (1), and the controller (5) controls the deflector (6) to rotate.

9. A rain-proof face recognition device as claimed in claim 8, further comprising a weather sensor (7) and a temperature sensor (8) respectively connected to said controller (5), said weather sensor (7) being disposed outside said housing (1), said temperature sensor (8) being disposed inside said housing (1), said controller (5) being connected to said fan (4).

10. A raintight face recognition device according to claim 1, wherein the rear end edge of the housing (1) is extended backward with a raintight cover (14).