CN216625858U

CN216625858U - Dustproof construction for surveillance camera head

Info

Publication number: CN216625858U
Application number: CN202122833307.8U
Authority: CN
Inventors: 徐辉炯
Original assignee: Hainan Yiyuanshun Technology Co ltd
Current assignee: Hainan Yiyuanshun Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-27
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a dustproof structure for a monitoring camera, which comprises a shell, wherein a camera body is connected in the shell, the front end of the shell is connected with a hemispherical dustproof cover, the dustproof cover is connected with an arc-shaped scraper matched with the dustproof cover, one surface of the arc-shaped scraper, which is opposite to the dustproof cover, is connected with a hairbrush, one end of the arc-shaped scraper is connected with a servo motor, the arc-shaped scraper can brush off dust attached to the dustproof cover to ensure the imaging effect of the camera, a heat dissipation hole is arranged at the middle position of the rear end surface of the shell, a filter screen is arranged at the position of the heat dissipation hole and connected with a cleaning mechanism, the filter screen can be prevented from being blocked by the dust, the heat dissipation effect is ensured, the service life of the camera is prolonged, a fan opposite to the heat dissipation hole is arranged in the shell, the rear end of the shell is connected with a dustproof box, and the bottom of the dustproof box is provided with a bucket-shaped outlet, the side wall of the dustproof box is provided with a downward-inclined heat dissipation grid.

Description

Dustproof construction for surveillance camera head

Technical Field

The utility model relates to the technical field of monitoring equipment, in particular to a dustproof structure for a monitoring camera.

Background

The monitoring camera is a semiconductor imaging device and has the advantages of high sensitivity, strong light resistance, small distortion, small volume, long service life, vibration resistance and the like. In a security system of a monitoring camera, the monitoring camera is widely used in each scene.

The surveillance camera head is often applied to the open air, and need uninterrupted duty all day, be equipped with the louvre on the casing of camera, so that in time the effluvium of the heat that produces the camera in the course of the work, prevent to influence the life of camera because of the high temperature, the dustproof effect of current camera is relatively poor, the inside of camera is got into from louvre department easily to dust in the air, thereby influence the normal operating of camera, and the camera lens of camera also sticks to the dust easily, cause the influence to imaging quality, therefore, the embodiment of this application provides a dustproof construction for the surveillance camera head.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, an embodiment of the present invention provides a dustproof structure for a surveillance camera, so as to solve the problems in the background art.

The embodiment of the application discloses: a dustproof structure for a monitoring camera comprises a shell, wherein a camera body is connected in the shell, the front end of the shell is connected with a hemispherical dustproof cover matched with a camera lens, an L-shaped plate with a downward vertical part is fixed at the front end of the upper end face of the shell, a servo motor is fixed at the horizontal part of the L-shaped plate, an output shaft of the servo motor is connected with one end of an arc-shaped scraper matched with the dustproof cover, the other end of the arc-shaped scraper is rotatably connected onto the lower end face of the shell through a pin shaft, the arc-shaped scraper is concentric with the dustproof cover, one face of the arc-shaped scraper, which is right opposite to the dustproof cover, is connected with a hairbrush, a radiating hole is arranged at the middle position of the rear end face of the shell, a filter screen is arranged at the radiating hole, the filter screen is connected with a cleaning mechanism, and a fan, which is right opposite to the radiating hole, is arranged in the shell, the rear end of casing is connected with the dust proof box, the bottom of dust proof box is equipped with the hopper-shaped export, the lateral wall of dust proof box is equipped with the heat dissipation grid of downward sloping.

Preferably, clearance mechanism includes horizontal scraper, the both sides of louvre are equipped with vertical slide rail, but horizontal scraper's both ends sliding connection be in on the vertical slide rail, horizontal scraper is just right the one side of filter screen is connected with the brush, two there is the parallel lead screw with it through connecting block and bearing rotatable coupling between the vertical slide rail, horizontal scraper pass through screw-nut with the lead screw is connected, rotatable coupling has the transmission shaft along its length direction in the casing, servo motor's output shaft runs through into in the casing to connect through bevel gear group the one end of transmission shaft, the other end of transmission shaft runs through outside the casing to through bevel gear group with the lead screw is connected.

Preferably, the edge of the dust cover is connected with a side plate parallel to the front end face of the shell, one side of the side plate, which is opposite to the shell, is connected with a limiting rod, the shell is provided with a limiting hole, the limiting rod extends into the limiting hole, the side surface of the shell is provided with a groove in the vertical direction, the limiting hole is communicated with the groove, the inner wall of the groove is provided with a vertical chute, a sliding block is connected in the chute in a sliding way, a spring is connected between the bottom end of the sliding block and the bottom end of the sliding chute and is in a compressed state, the peripheral surface of the limiting rod is provided with a limiting groove matched with the sliding block, one side of the sliding block, which is right opposite to the limiting groove, extends into the limiting groove, the slider is provided with an arc-shaped notch, the arc-shaped notch is positioned above the limiting rod, the radius of the arc-shaped notch is larger than that of the limiting rod, and the circle center of the arc-shaped notch is positioned on the same vertical line.

Preferably, a sealing ring is connected between the contact surfaces of the side plates and the shell.

Preferably, the dust cover is made of transparent wear-resistant glass.

The utility model has the following beneficial effects: the dust cover is used for protecting the camera lens of camera avoids the dust direct and end contact, servo motor drive the arc scraper blade is around its axial rotation, will be attached to dust brush on the dust cover is washed, ensures the image quality of camera, clearance mechanism can be to attaching to dust on the filter screen is cleared up, prevents the filter screen blocks up, ensures the radiating effect.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a part of a dustproof structure for a monitoring camera.

Fig. 2 is a schematic view of a slider structure.

Fig. 3 is a schematic view of a stopper rod structure.

Reference numerals of the above figures: 1. a housing; 2. a dust cover; 3. an L-shaped plate; 4. a servo motor; 5. an arc-shaped scraper plate; 6. heat dissipation holes; 7. filtering with a screen; 8. a fan; 9. a dust-proof box; 10. a heat dissipation grid; 11. a horizontal scraper; 12. a vertical slide rail; 13. a screw rod; 14. a drive shaft; 15. a side plate; 16. a limiting rod; 17. a limiting hole; 18. a groove; 19. a slider; 20. a spring; 21. a limiting groove; 22. an arc-shaped notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a dust-proof structure for a surveillance camera includes a housing 1, a camera body is connected in the housing 1, a hemispherical dust-proof cover 2 matched with a camera lens is connected to the front end of the housing 1, an L-shaped plate 3 with a downward vertical part is fixed to the front end of the upper end surface of the housing 1, a servo motor 4 is fixed to the horizontal part of the L-shaped plate 3, an output shaft of the servo motor 4 is connected to one end of an arc-shaped scraper 5 matched with the dust-proof cover 2, the other end of the arc-shaped scraper 5 is rotatably connected to the lower end surface of the housing 1 through a pin shaft, the arc-shaped scraper 5 is concentric with the dust-proof cover 2, one surface of the arc-shaped scraper 5 facing the dust-proof cover 2 is connected to a brush, heat dissipation holes 6 are arranged at the middle position of the rear end surface of the housing 1, a filter screen 7 is arranged at the heat dissipation holes 6, and the filter screen 7 is connected to a cleaning mechanism, the camera comprises a shell 1, and is characterized in that a fan 8 facing the heat dissipation holes 6 is arranged in the shell 1, the fan 8 can dissipate heat generated by a camera body during working through the heat dissipation holes 6, overhigh temperature is prevented, the service life of the camera is prolonged, the rear end of the shell 1 is connected with a dust-proof box 9, the bottom of the dust-proof box 9 is provided with a bucket-shaped outlet, the side wall of the dust-proof box 9 is provided with a downward-inclined heat dissipation grating 10, rainwater and dust can be prevented from falling into the dust-proof box 9 while the heat dissipation effect is enhanced, the arc-shaped scraper 5 is driven by a servo motor 4 to rotate around the axial direction of the arc-shaped scraper, dust attached to the dust-proof cover 2 is brushed and washed, the imaging quality of the camera is ensured, and a cleaning mechanism can clean dust attached to the filter screen 7, so that the filter screen 7 is prevented from being blocked, and the heat dissipation effect is ensured.

The cleaning mechanism comprises a horizontal scraper 11, vertical slide rails 12 are arranged on two sides of the heat dissipation hole 6, two ends of the horizontal scraper 11 are slidably connected on the vertical slide rails 12, the horizontal scraper 11 is just connected with a brush on one side of the filter screen 7, a screw rod 13 parallel to the vertical slide rails 12 is rotatably connected between the two vertical slide rails 12 through a connecting block and a bearing, the horizontal scraper 11 is connected with the screw rod 13 through a screw rod nut, a transmission shaft 14 along the length direction of the horizontal scraper is rotatably connected in the shell 1, an output shaft of the servo motor 4 penetrates into the shell 1 and is connected with one end of the transmission shaft 14 through a bevel gear set, the other end of the transmission shaft 14 penetrates out of the shell 1 and is connected with the screw rod 13 through the bevel gear set, and the servo motor 4 drives the screw rod 13 to rotate through the bevel gear set and the transmission shaft 14, the screw rod 13 drives the horizontal scraper 11 to slide along the slide rail 12 through the screw rod nut, so that dust adhered to the filter screen 7 is scrubbed, the filter screen 7 is prevented from being blocked, and the heat dissipation quality is ensured.

The edge of the dust cover 2 is connected with a side plate 15 parallel to the front end face of the shell 1, one side of the side plate 15 opposite to the shell 1 is connected with a limiting rod 16, the shell 1 is provided with a limiting hole 17, the limiting rod 16 extends into the limiting hole 17, the side face of the shell 1 is provided with a groove 18 in the vertical direction, the limiting hole 17 is communicated with the groove 18, the inner wall of the groove 18 is provided with a vertical sliding groove, the sliding groove is connected with a sliding block 19 in a sliding manner, a spring 20 is connected between the bottom end of the sliding block 19 and the bottom end of the sliding groove, the spring 20 is in a compression state, a limiting groove 21 matched with the sliding block 19 is arranged on the peripheral face of the limiting rod 16, the sliding block 19 is opposite to one side of the limiting groove 21 and extends into the limiting groove 21 to fix the limiting rod 16, the sliding block 19 is provided with an arc notch 22, and the arc notch 22 is positioned above the limiting rod 16, the radius of the arc-shaped notch 22 is larger than that of the limiting rod 16, the circle center of the arc-shaped notch is located on the same vertical line, the sliding block 19 is pushed downwards, the sliding block 19 drives the arc-shaped notch 22 to slide to be coaxial with the limiting hole 17, so that the dust cover 2 is convenient to take down, when the dust cover 2 needs to be installed, the sliding block 19 is pushed downwards again to enable the arc-shaped notch 22 to be coaxial with the limiting hole 17, the limiting rod 16 is inserted into the limiting hole 17, the sliding block 19 is loosened, and the sliding block 19 is reset under the elastic force action of the spring 20 to enable the limiting rod 16 to be fixed.

A sealing ring is connected between the contact surfaces of the side plates 15 and the shell 1, so that dust and rainwater can be prevented from permeating along gaps at the joint of the side plates 15 and the shell 1.

The dust cover 2 is made of transparent wear-resistant glass, so that the light transmission of the dust cover 2 is ensured, oxidation is prevented, and the imaging effect is ensured.

The beneficial effects of the embodiment of the application are as follows: dust cover 2 is used for the protection the camera lens of camera avoids the dust direct and end contact, servo motor 4 drive arc scraper blade 5 is around its axial rotation, will be attached to dust brush on the dust cover 2 is washed, ensures the image quality of camera, clearance mechanism can be to attaching to dust on the filter screen 7 is cleared up, prevents filter screen 7 blocks up, ensures the radiating effect.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a first dustproof construction that uses of surveillance camera which characterized in that: the camera comprises a shell, a camera body is connected in the shell, the front end of the shell is connected with a hemispheroid dust cover matched with a camera lens, the front end of the upper end face of the shell is fixedly provided with an L-shaped plate with a downward vertical part, the horizontal part of the L-shaped plate is fixedly provided with a servo motor, an output shaft of the servo motor is connected with one end of an arc-shaped scraper matched with the dust cover, the other end of the arc-shaped scraper is rotatably connected on the lower end face of the shell through a pin shaft, the arc-shaped scraper is concentric with the dust cover, one face of the arc-shaped scraper, which is just opposite to the dust cover, is connected with a brush, a heat dissipation hole is arranged at the middle position of the rear end face of the shell, a filter screen is arranged at the heat dissipation hole and is connected with a cleaning mechanism, a fan, which is just opposite to the heat dissipation hole, is arranged in the shell, and a dust-proof box is connected at the rear end of the shell, the bottom of dust proof box is equipped with the fill shape export, the lateral wall of dust proof box is equipped with the heat dissipation grid of downward sloping.

2. The dustproof structure for a monitoring camera according to claim 1, characterized in that: clearance mechanism includes horizontal scraper, the both sides of louvre are equipped with vertical slide rail, but horizontal scraper's both ends sliding connection be in on the vertical slide rail, horizontal scraper is just right the one side of filter screen is connected with the brush, two there is the parallel lead screw with it through connecting block and bearing rotatable coupling between the vertical slide rail, horizontal scraper pass through screw-nut with the lead screw is connected, rotatable coupling has the transmission shaft along its length direction in the casing, servo motor's output shaft runs through into in the casing to connect through bevel gear group the one end of transmission shaft, the other end of transmission shaft runs through outside the casing to through bevel gear group with the lead screw is connected.

3. The dustproof structure for a monitoring camera according to claim 1, characterized in that: the edge of the dust cover is connected with a side plate parallel to the front end face of the shell, one side of the side plate, which is over against the shell, is connected with a limiting rod, the shell is provided with a limiting hole, the limiting rod extends into the limiting hole, the side surface of the shell is provided with a groove in the vertical direction, the limiting hole is communicated with the groove, the inner wall of the groove is provided with a vertical chute, a sliding block is connected in the chute in a sliding way, a spring is connected between the bottom end of the sliding block and the bottom end of the sliding chute and is in a compressed state, the peripheral surface of the limiting rod is provided with a limiting groove matched with the sliding block, one side of the sliding block, which is right opposite to the limiting groove, extends into the limiting groove, the slider is provided with an arc-shaped notch, the arc-shaped notch is positioned above the limiting rod, the radius of the arc-shaped notch is larger than that of the limiting rod, and the circle center of the arc-shaped notch is positioned on the same vertical line.

4. The dustproof structure for a monitoring camera according to claim 3, wherein: and a sealing ring is connected between the contact surfaces of the side plates and the shell.

5. The dustproof structure for the monitoring camera according to claim 1, characterized in that: the dust cover is made of transparent wear-resistant glass.