Dustproof device for camera of elevator

Abstract

The utility model relates to the technical field of camera dust prevention, and discloses an elevator camera dust prevention device which comprises a shell, a spherical camera is rotationally connected in the shell, an electric rotating shaft is rotationally connected to the top of the shell, and a top plate is rotationally connected to the top of the electric rotating shaft. Connecting supports are fixedly connected to the left end and the right end of the rear side of the shell, mounting shells are fixedly connected to the bottom ends of the two connecting supports, waterproof fixing plates are fixedly connected to the interiors of the mounting shells, and electric telescopic rods are fixedly connected to the left end and the right end of the rear side of each waterproof fixing plate. According to the spherical camera cleaning device, the electric telescopic rod drives the driving motor and the brush head to move forwards to be attached to the mirror face of the spherical camera, then the driving motor is started to drive the brush head to clean the mirror face of the spherical camera, water stain removal and oil stain cleaning in the humid environment are achieved, and the shooting definition and the good working state of the camera are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to camera dustproof technical field especially, relate to a lift camera dustproof device. BACKGROUND

[0002] Construction hoist as important logistics transport equipment, the application in all kinds of construction sites is more and more widely, especially in the construction industry, in order to improve work efficiency and safety, many construction hoists will be equipped with monitoring camera for real-time monitoring operation condition, however these equipment often in relatively bad working environment, especially the existence of dust and sand not only reduces camera picture quality, also can damage camera internal structure.

[0003] Through the retrieval, the patent announcement number of China is CN208754391U, the utility model discloses a dustproof monitoring camera device, including camera support seat, the camera body of fixed on camera support seat, the surface of camera support seat is set with recess, the bottom of camera body is fixedly arranged with support foot, the dust cover is installed on camera support seat, the dust cover both sides are outwardly symmetrical and set up horizontal bending ear, every horizontal bending ear is set with screw hole one, the both sides of camera support seat are set with screw hole two corresponding with screw hole one, the dust cover is connected with camera support seat through bolt one and is connected with screw hole two through screw hole one, the back end surface of dust cover is fixedly set with baffle, the opening of dust cover front end surface is set with dust cover of non-color transparency, the utility model can improve the monitoring camera of traditional installation, easy to accumulate dust, thereby causing the service life of camera and the imaging effect of camera are influenced, and manual cleaning, time-consuming and laborious problem, but dust cover and dust cover can prevent dust from entering to a certain extent, but when dust cover surface has dust accumulation, it is inconvenient to clean, and because its structure is relatively fixed, it is difficult to clean dust cover comprehensively and thoroughly, when air humidity is relatively large, mud adhesion phenomenon is easy to form, instead increase the problem that stain is difficult to remove, long time in bad working environment can influence the imaging definition of camera, cannot satisfy the demand of long-term stable work. UTILITY MODEL CONTENTS

[0004] In order to make up for the above insufficient, the utility model provides a lift camera dustproof device, aims at improving prior art, when air humidity is relatively large, mud adhesion phenomenon is easy to form, long time in bad working environment can influence the imaging definition of camera, cannot satisfy the demand of long-term stable work.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a lift camera dustproof device, including the shell, the inside rotation of shell is connected with the spherical camera, the top rotation of shell is connected with electric rotating shaft, the top rotation of electric rotating shaft is connected with the top plate, the rear side left and right ends of shell are all fixedly connected with the connecting support, the bottom of two connecting supports is all fixedly connected with the installation shell, the inside fixed connection of installation shell has waterproof fixed plate, the rear side left and right ends of waterproof fixed plate are all fixedly connected with electric telescopic handle, the rear end of two electric telescopic handles is all fixedly connected with drive motor, the front side fixed connection of drive motor has the drive shaft, the middle part of waterproof fixed plate is penetrated and is connected in rotation with the drive shaft, the front end fixed connection of drive shaft has the rotary disc, the front side fixed connection of rotary disc has the mounting bracket, the front side fixed connection of mounting bracket has the brush head, the inner top wall of shell is provided with heating and removing water mark component, the top of top plate is provided with the cleaning agent ration feeding mechanism cleaning agent filling mechanism.

[0006] Through the above technical scheme: through electric telescopic handle drive drive motor and brush head forward motion and the mirror surface of spherical camera are pasted, then start drive motor drive brush head and clean the mirror surface of spherical camera, then turn to the heating and removing water mark component on the top surface and heat and remove the stain, realize the water mark removal and oil stain cleaning in the humid environment, guarantee the camera shooting definition and good working condition.

[0007] As a further description of the above technical scheme:

[0008] The cleaning agent filling mechanism includes a liquid storage tank, the bottom of the top plate and the top of the mounting shell are fixedly connected with a connecting piece, a flexible hose is fixedly installed between the adjacent two connecting pieces, a spray head is communicated with the bottom end of the bottom connecting piece, a pressure regulating pipe is communicated with the right side front end of the liquid storage tank, and an electromagnetic valve is fixedly installed in the middle part of the pressure regulating pipe.

[0009] Through the above technical scheme: through electromagnetic valve control opening makes the cleaning agent in the liquid storage tank under the action of gravity and pressure from the spray head through the pressure regulating pipe and the flexible hose, and the electromagnetic valve controls the flow and timing, and the flexible hose adapts to the position change, so that the appropriate amount of cleaning agent can be sprayed in the corresponding area when cleaning the spherical camera, and the brush head can be cooperated to clean efficiently, so that the cleaning degree of the camera and the shooting effect are improved.

[0010] As a further description of the above technical scheme:

[0011] The heating and removing water mark component includes a heat preservation shell, the heat preservation shell is fixedly connected in the middle part of the inner top wall of the shell, and the bottom of the heat preservation shell is fixedly connected with an electric heating wire.

[0012] Through the technical scheme, the starting point heating wire is started when the heat preservation shell is attached to the spherical camera, heat loss is reduced, heating efficiency is improved, and the electric heating wire evaporates water spots on the surface of the spherical camera through heat, so that the camera shooting clarity is ensured.

[0013] Further description is made to the technical scheme:

[0014] The top four corners of the top plate are fixedly connected with mounting feet, and mounting holes are formed in the top of the mounting feet.

[0015] Through the technical scheme, the mounting feet at the top of the top plate provide a mounting and fixing connection point for the whole device, and the mounting holes arranged on the mounting feet can facilitate the installation of the elevator camera dustproof device on the elevator in a proper position by using bolts.

[0016] Further description is made to the technical scheme:

[0017] The bottom of the mounting shell is fixedly connected with a cleaning indicator lamp, and the cleaning indicator lamp is electrically connected with the driving motor.

[0018] Through the technical scheme, the cleaning indicator lamp at the bottom of the mounting shell is electrically connected with the driving motor, so that the operator can be intuitively informed that the device is currently performing a cleaning operation.

[0019] Further description is made to the technical scheme:

[0020] The output end of the spray head is provided with an inclination angle, and the output end inclination angle of the spray head is on the same extension line as the top of the brush head.

[0021] Through the technical scheme, the output end of the spray head is provided with an inclination angle, and the output end inclination angle of the spray head is on the same extension line as the top of the brush head, so that the cleaning agent sprayed from the spray head can be accurately sprayed on the area of the spherical camera being cleaned by the brush head.

[0022] Further description is made to the technical scheme:

[0023] The bottom of the heat preservation shell is attached to the outside of the lens of the spherical camera, and the size of the electric heating wire matches the size of the lens of the spherical camera.

[0024] Through the technical scheme, the size of the electric heating wire matches the size of the lens of the spherical camera, and the bottom of the heat preservation shell is attached to the outside of the lens of the spherical camera, so that the evaporation of water spots on the surface of the lens is accelerated, and the influence of water spots on the camera shooting clarity is effectively prevented.

[0025] Further description is made to the technical scheme:

[0026] The plurality of mounting feet adopt symmetrical design, and the plurality of mounting holes are internally designed to be smooth.

[0027] The symmetrical design of the mounting feet 17 and the smooth design of the mounting holes 18 have the advantages that when the bolts are inserted, the abrasion of the connecting parts is reduced, the installation process is smoother, and the connection firmness after installation is ensured, and the situation that the connecting parts are loose due to the rough edges of the mounting holes 18 is prevented.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1、The utility model discloses a driving motor and brush head are driven to the front movement with the mirror surface of spherical camera and are pasted, and then the driving motor is started to drive the brush head to clean the mirror surface of spherical camera, and then the heating and water mark removing assembly on the top surface is heated to remove the mark, realizing water mark removal and oil stain cleaning in the humid environment, guaranteeing camera shooting definition and good working condition.

[0030] 2、The utility model discloses a driving motor and brush head are driven to the front movement with the mirror surface of spherical camera and are pasted, and then the driving motor is started to drive the brush head to clean the mirror surface of spherical camera, and then the heating and water mark removing assembly on the top surface is heated to remove the mark, realizing water mark removal and oil stain cleaning in the humid environment, guaranteeing camera shooting definition and good working condition. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of an elevator camera dustproof device is provided for the utility model;

[0032] Figure 2 A structure diagram of electric heating wire in the elevator camera dustproof device is provided for the utility model;

[0033] Figure 3 A right view of the elevator camera dustproof device is provided for the utility model;

[0034] Figure 4 A partial structure split drawing of the elevator camera dustproof device is provided for the utility model;

[0035] Figure 5 A partial structure diagram of the elevator camera dustproof device is provided for the utility model.

[0036] LEGEND:

[0037] 1, housing; 2, cleaning agent filling mechanism; 201, liquid storage tank; 202, connecting piece; 203, flexible hose; 204, spray head; 205, pressure regulating pipe; 206, electromagnetic valve; 3, spherical camera; 4, electric rotating shaft; 5, top plate; 6, connecting support; 7, mounting shell; 8, waterproof fixing plate; 9, electric telescopic rod; 10, driving motor; 11, driving shaft; 12, rotating disc; 13, mounting bracket; 14, brush head; 15, heat preservation shell; 16, electric heating wire; 17, mounting foot; 18, mounting hole; 19, cleaning indicator light. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] Reference Figures 1-4The utility model provides an embodiment: a lift camera dustproof device, the inside rotation of shell 1 is connected with spherical camera 3, spherical camera 3 can flexibly rotate to adjust the shooting angle, satisfy the monitoring demand of different direction, the top rotation of shell 1 is connected with electric rotating shaft 4, and electric rotating shaft 4 can drive top plate 5 to rotate to adjust the orientation of device, expand camera monitoring range, the rear side left and right ends of shell 1 are all fixedly connected with connecting support 6, and connecting support 6 plays the role of connecting shell 1 with installation shell 7 and provides stable support, the bottom of two connecting supports 6 is all fixedly connected with installation shell 7, and installation shell 7 provides installation space for internal cleaning component, the inside fixed connection of installation shell 7 has waterproof fixed plate 8, and waterproof fixed plate 8 is used for fixing relevant parts and has waterproof function, the rear side left and right ends of waterproof fixed plate 8 are all fixedly connected with electric telescopic rod 9, and electric telescopic rod 9 can push drive motor 10 to move and make cleaning part close to camera, the rear end of two electric telescopic rods 9 is all fixedly connected with drive motor 10, and drive motor 10 provides power for cleaning part rotation, the front side fixed connection of drive motor 10 has drive shaft 11, and drive shaft 11 can transmit the power of drive motor 10 to rotary disc 12, drive shaft 11 penetrates and rotationally connects in the middle part of waterproof fixed plate 8, the front end fixed connection of drive shaft 11 has rotary disc 12, and rotary disc 12 rotates under the drive of drive shaft 11, the front side fixed connection of rotary disc 12 has mounting bracket 13, and mounting bracket 13 is used for fixing brush head 14, the front side fixed connection of mounting bracket 13 has brush head 14, and brush head 14 can clean the surface of spherical camera 3, removes dust and impurity, the inner top wall of shell 1 is provided with heating water mark removing assembly, and heating water mark removing assembly can effectively remove the water mark on the surface of spherical camera 3, the top of top plate 5 is provided with cleaning agent quantitative feeding mechanism cleaning agent filling mechanism 2, and cleaning agent filling mechanism 2 can feed appropriate cleaning agent to assist cleaning during cleaning, and heating water mark removing assembly includes heat preservation shell 15, and heat preservation shell 15 is fixedly connected in the middle part of the inner top wall of shell 1, heat preservation shell 15 can reduce heat loss, improve heating efficiency, the bottom fixed connection of heat preservation shell 15 has electric heating wire 16, and electric heating wire 16 generates heat to evaporate the water mark on the surface of spherical camera 3, guarantee camera shooting definition and service life;

[0040] Specifically, when the elevator is in operation, the spherical camera 3 can rotate flexibly in the shell 1 to adjust the shooting angle and meet the monitoring needs of different directions. The electric rotating shaft 4 can drive the top plate 5 to rotate, so that the orientation of the entire device can be adjusted, further expanding the monitoring range of the camera. The connecting bracket 6 provides stable support for the installation shell 7. The waterproof fixing plate 8 in the installation shell 7 plays a fixing and protection role. When it is necessary to clean the spherical camera 3, the electric telescopic rod 9 is started to push the drive motor 10 to move forward, so that the brush head 14 on the rotating disc 12 and the mounting bracket 13 approaches the spherical camera 3. The drive motor 10 works to drive the drive shaft 11 to rotate, thereby making the rotating disc 12 rotate, and the mounting bracket 13 rotates accordingly. The brush head 14 can clean the lens surface of the spherical camera 3 in all directions, removing dust and impurities. In a humid environment, the heat preservation shell 15 can reduce heat loss. When the electric heating wire 16 is electrified, the heat generated can raise the temperature of the air inside the shell 1, accelerating the evaporation of water stains on the surface of the spherical camera 3, preventing water stains from affecting the shooting clarity of the camera. The cleaning agent dosing mechanism cleaning agent filling mechanism 2 on the top of the top plate 5 can put the cleaning agent on the surface of the spherical camera 3 according to the set amount during the cleaning process, and cooperate with the cleaning of the brush head 14, which can more effectively remove stubborn stains such as oil stains on the surface of the camera, and make the cleaning effect better.

[0041] Referring to Figure 1 , Figure 3 and Figure 5 , the cleaning agent filling mechanism 2 includes a liquid storage tank 201 for storing cleaning agent solution to provide an adequate source of cleaning agent for cleaning work. The bottom of the top plate 5 and the top of the installation shell 7 are both fixedly installed with a connecting piece 202, which plays a role in stable connection and fixing of the pipeline, ensuring the stability of the cleaning agent conveying path. Adjacent to the two connecting pieces 202, a flexible hose 203 is fixedly installed, which can adapt to the movement and position change of the components of the device, ensuring that the cleaning agent will not be blocked during conveying due to the movement of the components. The bottom end of the bottom connecting piece 202 is communicated with a spray head 204, which can uniformly spray the cleaning agent on the surface of the spherical camera 3 to effectively clean the stains. The right front end of the liquid storage tank 201 is communicated with a pressure regulating pipe 205, which helps to adjust the output pressure of the cleaning agent, so that the cleaning agent can be sprayed at an appropriate pressure. The middle part of the pressure regulating pipe 205 is fixedly installed with an electromagnetic valve 206, which can accurately control the flow and spraying time of the cleaning agent, realize the quantitative dosing of the cleaning agent, improve the cleaning effect and save the cleaning agent;

[0042] Specifically, the liquid storage tank 201 is used to store the cleaning agent solution. When the spherical camera 3 needs to be cleaned and the cleaning agent is used, the electromagnetic valve 206 is opened. The cleaning agent in the liquid storage tank 201 is under the action of gravity and internal pressure, enters the flexible hose 203 through the pressure regulating pipe 205, the connecting piece 202 between the top plate 5 bottom and the mounting shell 7 top plays the role of connecting and fixing the flexible hose 203, ensuring that the cleaning agent can be smoothly transmitted. The cleaning agent flows along the flexible hose 203 and is finally sprayed out from the nozzle 204 at the bottom end of the bottom connecting piece 202, uniformly sprayed on the surface of the spherical camera 3. The electromagnetic valve 206 can accurately control the flow and spraying time of the cleaning agent. By adjusting the opening size of the electromagnetic valve 206, the flow rate of the cleaning agent can be adjusted to meet the needs of different cleaning degrees. The pressure regulating pipe 205 helps to stabilize the output pressure of the cleaning agent, ensuring that the cleaning agent can be stably sprayed from the nozzle 204, avoiding the situation that the camera is damaged due to uneven spraying or excessive pressure. The flexible hose 203 has good flexibility and can adapt to the position changes caused by the extension and retraction of the electric telescopic rod 9 and the rotation of the rotating disc 12, ensuring that the cleaning agent conveying pipeline always keeps unobstructed and can follow the action of the brush head 14 during the entire cleaning process, so that the cleaning agent is accurately sprayed on the area of the spherical camera 3 being cleaned, thereby closely cooperating with the cleaning action of the brush head 14 to efficiently remove the stains on the surface of the camera, ensuring the cleanliness of the camera and the shooting effect.

[0043] Referring to Figure 1 , Figure 2 and Figure 4The top four corners of the top plate 5 are fixedly connected with mounting feet 17, which provide stable mounting support points for the entire device, facilitating installation of the device at a designated location. The top of each mounting foot 17 is provided with a mounting hole 18, which is designed with a smooth interior to effectively reduce wear on connecting components during installation, making the installation process smoother and more convenient. The bottom of the mounting shell 7 is fixedly connected with a cleaning indicator light 19, which is electrically connected with the drive motor 10. When the drive motor 10 starts cleaning work, the cleaning indicator light 19 turns on, directly displaying the operating state of the cleaning operation and facilitating monitoring by the operator. The output end of the spray head 204 is provided with an inclination angle, and the output end inclination angle of the spray head 204 is on the same extension line as the top of the brush head 14. This design ensures that the cleaning agent sprayed from the spray head 204 falls precisely on the area cleaned by the brush head 14, improving cleaning efficiency and effectiveness. The bottom of the heat preservation shell 15 is in close contact with the lens exterior of the spherical camera 3, allowing heat to be more concentrated on the lens of the spherical camera 3, reducing heat loss. The size of the electric heating wire 16 matches the size of the lens of the spherical camera 3, allowing for uniform and effective heating of the lens, quickly removing water stains on the lens surface and ensuring clear camera imaging. The symmetrical design of the multiple mounting feet 17 ensures even stress distribution after installation, enhancing overall stability and ensuring reliable operation of the device under various working conditions.

[0044] Specifically, the mounting feet 17 on the top of the top plate 5 provide mounting and fixing connection points for the entire device. By providing mounting holes 18 on the mounting feet 17, the device can be easily installed on the elevator using bolts. The cleaning indicator light 19 at the bottom of the mounting shell 7 is electrically connected with the drive motor 10, allowing the operator to directly know that the device is currently performing cleaning operations. The output end of the spray head 204 is provided with an inclination angle, and its output end inclination angle is on the same extension line as the top of the brush head 14, allowing the cleaning agent sprayed from the spray head 204 to be precisely sprayed on the area of the spherical camera 3 being cleaned by the brush head 14. The size of the electric heating wire 16 matches the size of the lens of the spherical camera 3, and the bottom of the heat preservation shell 15 is in close contact with the lens exterior of the spherical camera 3, allowing for accelerated evaporation of water stains on the lens surface and effectively preventing water stains from affecting the clarity of the camera's shots. The symmetrical design of the mounting feet 17 and the smooth design of the mounting holes 18 reduce wear on connecting components when inserting bolts, making the installation process smoother and ensuring the firmness of the connection after installation, preventing the connecting components from loosening due to rough edges of the mounting holes 18.

[0045] Working principle: when the elevator is running, the spherical camera 3 can rotate flexibly in the shell 1 to adjust the shooting angle to meet the monitoring needs of different directions, the electric rotating shaft 4 can drive the top plate 5 to rotate, so that the orientation of the whole device can be adjusted, further expanding the monitoring range of the camera, the connecting support 6 provides stable support for the installation shell 7, the waterproof fixing plate 8 in the installation shell 7 plays a fixing and protection role, when it is necessary to clean the spherical camera 3, the electric telescopic rod 9 is started, the driving motor 10 is pushed to move forward, the brush head 14 on the rotating disc 12 and the mounting bracket 13 is close to the spherical camera 3, the driving motor 10 works, drives the driving shaft 11 to rotate, and then drives the rotating disc 12 to rotate, the mounting bracket 13 rotates, and the brush head 14 can clean the lens surface of the spherical camera 3 in all directions, remove dust and impurities, in a humid environment, the heat preservation shell 15 can reduce heat loss, the electric heating wire 16 generates heat after being electrified, the heat generated can raise the temperature of the air inside the shell 1, accelerate the evaporation of water stains on the surface of the spherical camera 3, and prevent water stains from affecting the shooting clarity of the camera;

[0046] And the liquid storage tank 201 is used for storing cleaning agent solution, when it is necessary to clean the spherical camera 3 and use the cleaning agent, the electromagnetic valve 206 is opened, the cleaning agent in the liquid storage tank 201 is under the action of gravity and internal pressure, enters the telescopic hose 203 through the pressure regulating pipe 205, the connecting piece 202 between the top plate 5 bottom and the installation shell 7 top plays a role in connecting and fixing the telescopic hose 203, ensures that the cleaning agent can be smoothly transmitted, the cleaning agent flows along the telescopic hose 203, and is finally sprayed out from the nozzle 204 at the bottom end of the bottom connecting piece 202, is uniformly sprayed on the surface of the spherical camera 3, the electromagnetic valve 206 can accurately control the flow and spraying time of the cleaning agent, by adjusting the opening size of the electromagnetic valve 206, the flow rate of the cleaning agent can be adjusted to adapt to the needs of different cleaning degrees, and the pressure regulating pipe 205 is helpful to stabilize the output pressure of the cleaning agent, so that the cleaning agent can be stably sprayed out from the nozzle 204, and the situation that the camera is damaged due to uneven spraying or excessive pressure is avoided.

[0047] Finally, it should be pointed out that: the above only describes preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An elevator camera dust protection device comprising a housing (1), characterized in that: The inside of the shell (1) is rotatably connected with a spherical camera (3), the top of the shell (1) is rotatably connected with an electric rotating shaft (4), the top of the electric rotating shaft (4) is rotatably connected with a top plate (5), the left and right ends of the rear side of the shell (1) are fixedly connected with connecting supports (6), the bottom ends of the two connecting supports (6) are fixedly connected with mounting shells (7), the inside of the mounting shell (7) is fixedly connected with a waterproof fixed plate (8), the left and right ends of the rear side of the waterproof fixed plate (8) are fixedly connected with electric telescopic rods (9), the rear ends of the two electric telescopic rods (9) are fixedly connected with drive motors (10), the front side of the drive motor (10) is fixedly connected with a drive shaft (11), the drive shaft (11) penetrates and is rotatably connected in the middle of the waterproof fixed plate (8), the front end of the drive shaft (11) is fixedly connected with a rotating disc (12), the front side of the rotating disc (12) is fixedly connected with a mounting frame (13), the front side of the mounting frame (13) is fixedly connected with a brush head (14), the inner top wall of the shell (1) is provided with a heating water stain removing assembly, and the top of the top plate (5) is provided with a cleaning agent quantitative feeding mechanism cleaning agent filling mechanism (2).

2. The elevator camera dust guard of claim 1, wherein: The cleaning agent filling mechanism (2) comprises a liquid storage tank (201), the bottom of the top plate (5) and the top of the mounting shell (7) are fixedly connected with connecting pieces (202), the adjacent connecting pieces (202) are fixedly connected with flexible hoses (203), the bottom end of the bottom connecting piece (202) is communicated with a spray head (204), the right side of the liquid storage tank (201) is communicated with a pressure regulating pipe (205), and the middle of the pressure regulating pipe (205) is fixedly connected with an electromagnetic valve (206).

3. The elevator camera dust guard of claim 1, wherein: The heating water stain removing assembly comprises a heat preservation shell (15), the heat preservation shell (15) is fixedly connected in the middle of the inner top wall of the shell (1), and the bottom of the heat preservation shell (15) is fixedly connected with an electric heating wire (16).

4. The elevator camera dust guard of claim 1, wherein: The top of the top plate (5) is fixedly connected with mounting feet (17) at four corners, and mounting holes (18) are formed in the top of the mounting feet (17).

5. The elevator camera dust guard of claim 1, wherein: The bottom of the mounting shell (7) is fixedly connected with a cleaning indicator light (19), and the cleaning indicator light (19) is electrically connected with the drive motor (10).

6. The elevator camera dust guard of claim 2, wherein: The output end of the spray head (204) is provided with an inclination, and the output end of the spray head (204) is on the same extension line as the top of the brush head (14).

7. The elevator camera dust guard of claim 3, wherein: The bottom of the heat preservation shell (15) is matched with the outside of the lens of the spherical camera (3), and the size of the electric heating wire (16) matches the size of the lens of the spherical camera (3).

8. The elevator camera dust guard of claim 4, wherein: The mounting feet (17) are symmetrically designed, and the interiors of the mounting holes (18) are round and smooth.

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