Negative pressure dust removal device for vision camera protection cover

Abstract

The utility model belongs to the field of dust removal devices, and particularly discloses a visual camera protection cover negative pressure dust removal device which comprises a negative pressure dust remover and a negative pressure system, an air inlet, an air outlet and a dust removal opening are formed in the negative pressure dust remover, and the negative pressure system is connected with the air inlet so as to provide a negative pressure environment for the interior of the negative pressure dust remover. The negative pressure dust remover is arranged on the visual camera protection cover, a dust removal opening of the negative pressure dust remover faces the window of the visual camera protection cover, and dust in the window of the visual camera protection cover enters the negative pressure dust remover from the dust removal opening under the negative pressure condition and then is discharged from the air outlet; the device further comprises a control unit used for controlling the negative pressure system to be started or closed. The negative pressure environment is formed in the negative pressure dust remover, dust on the window of the visual camera protection cover can enter the negative pressure dust remover, dust removal of the window of the visual camera protection cover is completed, the control unit is adopted for control, dust removal can be completed more timely, and the precision and effect of visual detection and analysis of the visual camera are guaranteed.

Description

Technical Field

[0001] The present application belongs to the field of dust removal devices, and more specifically, relates to a negative pressure dust removal device for a visual camera protective cover. Background Art

[0002] With the development of artificial intelligence technology, visual inspection technology based on image analysis has been widely used in mining, coal transportation at docks, mechanical processing and manufacturing under extreme working conditions, and other fields. Especially in some complex and harsh working conditions, machine vision is used to replace manual work for efficient and high-intensity operations. In these harsh working environments, the actual working conditions on site are dusty. In order to ensure the working performance of the visual camera, the visual camera is generally placed in a camera protective cover, and visual inspection and analysis of the outside world is performed through the optical glass of the window of the visual camera protective cover. Therefore, dust cleaning of the optical glass window of the visual camera protective cover is an important guarantee for ensuring the performance of visual inspection and analysis.

[0003] At present, manual inspection and regular cleaning are mainly adopted to ensure that the optical glass of the visual camera protective cover window is free of dust. However, the manual inspection and regular cleaning methods are labor-intensive for the staff, and it is difficult to ensure that the optical glass dust of the visual camera protective cover window can be cleaned in time, which affects the accuracy and effect of visual detection and analysis. Utility Model Content

[0004] In view of the defects of the prior art, the present application provides a negative pressure dust removal device for a visual camera protective cover, aiming to solve the problem that manual cleaning of optical glass dust on the window of the visual camera protective cover is labor-intensive and difficult to ensure timely cleaning.

[0005] The present application provides a negative pressure dust removal device for a visual camera protective cover, which specifically includes a negative pressure dust collector and a negative pressure system. The negative pressure dust collector is provided with an air inlet, an air outlet and a dust removal port. The negative pressure system is connected to the air inlet to provide a negative pressure environment for the interior of the negative pressure dust collector. The negative pressure dust collector is arranged on the visual camera protective cover and the dust removal port of the negative pressure dust collector faces the window of the visual camera protective cover. Dust on the window of the visual camera protective cover enters the interior of the negative pressure dust collector from the dust removal port under negative pressure conditions and is then discharged from the air outlet. The device also includes a control unit for controlling the start or shut down of the negative pressure system.

[0006] The above technical scheme conceived by the present application, compared with the prior art, because the negative pressure system can form a negative pressure environment inside the negative pressure dust collector, the dust on the window of the visual camera protective cover enters the negative pressure dust collector from the dust removal port under negative pressure conditions, and is then discharged from the air outlet, thereby completing the removal of dust on the window of the visual camera protective cover. The cleaning is convenient and quick, and the control unit is used to control the start or shut down of the negative pressure system, so that dust removal can be completed more timely, thereby ensuring the accuracy and effect of the visual detection and analysis of the visual camera.

[0007] As further preferred, the negative pressure system includes an air compressor, a solenoid valve and an air intake pipe, the air compressor is connected to the air inlet of the negative pressure dust collector through the air intake pipe, the solenoid valve is arranged on the air intake pipe for opening and closing the air intake pipe, and the solenoid valve is electrically connected to the control unit.

[0008] By adopting the above technical solution, after the control unit starts the solenoid valve to open, the compressed air in the air compressor enters the negative pressure dust collector through the air intake pipe, and a negative pressure environment is formed inside the negative pressure dust collector through the air flow.

[0009] As further preferred, the negative pressure system further includes a regulating valve, and the regulating valve is arranged on the air intake pipe to adjust the air pressure in the air intake pipe.

[0010] By adopting the above technical solution, the air pressure in the intake pipe is regulated by using a regulating valve.

[0011] As further preferred, the device also includes a dust collection component, which is connected to the air outlet of the negative pressure dust collector to collect dust.

[0012] By adopting the above technical solution, the dust collection component collects and processes the dust on the window of the visual camera protective cover to prevent the dust from entering the atmosphere and causing air pollution.

[0013] As a further preferred embodiment, the dust collection assembly includes an exhaust pipe, a gas-solid separator and a dust particle recovery box, the gas-solid separator is provided with an air inlet, an air outlet and a feed port, one end of the exhaust pipe is connected to the air outlet of the negative pressure dust collector, the other end of the exhaust pipe is connected to the air inlet of the gas-solid separator, and the feed port of the gas-solid separator is connected to the interior of the dust particle recovery box.

[0014] By adopting the above technical solution, the air in the negative pressure dust collector enters the gas-solid separator from the air inlet through the exhaust pipe, and the air and dust particles are diverted by the gas-solid separator, so that the air is discharged from the air outlet and the dust particles enter the dust particle recovery box from the discharge port for collection.

[0015] As a further preferred embodiment, the air inlet is opened at the top of the side wall of the gas-solid separator and is eccentrically arranged, the air outlet is opened at the top of the gas-solid separator, and the discharge port is opened at the bottom of the gas-solid separator, and the air outlet and the discharge port are both located on the axis of the gas-solid separator; a guide bend is provided at the air outlet, one end of which extends to the interior of the gas-solid separator and is located below the air inlet.

[0016] By adopting the above technical solution, the positions of the air inlet, air outlet and feed port on the gas-solid separator are arranged, and a guide elbow is provided at the air outlet, so as to facilitate the diversion of air and dust particles.

[0017] As a further preference, the bottom of the gas-solid separator is in a pointed cone shape.

[0018] By adopting the above technical solution, the bottom of the gas-solid separator is narrowed, so that the air is discharged from the top of the gas-solid separator, and the dust enters the dust particle recovery box from the bottom of the gas-solid separator.

[0019] As a further preference, the negative pressure dust collector is connected to the visual camera protective cover by bolts, the bolts are parallel to the window of the visual camera protective cover, and the negative pressure dust collector can rotate with the bolts as a rotation axis.

[0020] By adopting the above technical solution, the negative pressure dust collector can be rotated to adjust the angle toward the window of the visual camera protective cover, so that it can better absorb dust without interfering with the visual camera protective cover.

[0021] As a further preference, the air inlet of the negative pressure dust collector is provided with a flow guide, the flow guide is located inside the negative pressure dust collector, and the flow guide and the end of the negative pressure dust collector close to the air outlet are both in a pointed cone shape.

[0022] By adopting the above technical solution, the guide piece enables the air in the air inlet pipe to be transported to a certain depth in the negative pressure dust collector, and the pointed cone structure accelerates the flow of air after entering the negative pressure dust collector. The negative pressure dust collector is arranged into a pointed cone structure at one end close to the air outlet to rectify the air so that it enters the exhaust pipe.

[0023] As a further preference, a rectifying piece is provided on the negative pressure dust collector, and the rectifying piece is connected with the interior of the negative pressure dust collector through a dust removal port, and one end of the rectifying piece away from the negative pressure dust collector is flat.

[0024] By adopting the above technical solution, one end of the fairing is set to be flat, which increases the width of the aperture and facilitates the dust on the window of the visual camera protective cover to enter the dust removal port.

[0025] In general, the above technical solutions conceived by this application have the following technical advantages compared with the prior art:

[0026] The present application uses a negative pressure system to form a negative pressure environment inside the negative pressure dust collector, so that dust on the window of the visual camera protective cover enters the negative pressure dust collector from the dust removal port under negative pressure conditions, and is then discharged from the air outlet, thereby removing dust from the window of the visual camera protective cover. The cleaning is convenient and quick, and the control unit is used to control the start or shut down of the negative pressure system, so that dust removal can be completed more promptly, thereby ensuring the accuracy and effect of the visual detection and analysis of the visual camera; and dust particles can be collected to avoid air pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure provided by the embodiment of the present application;

[0028] Figure 2 It is a front view structural schematic diagram provided by an embodiment of the present application;

[0029] Figure 3 It is a schematic diagram of the overall structure of the negative pressure dust collector provided in an embodiment of the present application;

[0030] Figure 4 is a cross-sectional view of a negative pressure dust collector provided in an embodiment of the present application;

[0031] Figure 5 It is a schematic diagram of the overall structure of the gas-solid separator provided in the embodiment of the present application;

[0032] Figure 6 It is a cross-sectional view of the gas-solid separator provided in an embodiment of the present application.

[0033] Throughout the drawings, the same reference numerals are used to denote the same elements or structures, wherein:

[0034] 1. Negative pressure dust collector; 11. Air inlet; 12. Air outlet; 13. Dust removal port; 14. Guide piece; 15. Rectifier; 2. Negative pressure system; 21. Air compressor; 22. Solenoid valve; 23. Inlet pipe; 24. Regulating valve; 3. Visual camera protective cover; 31. Bolts; 4. Control unit; 5. Dust collection assembly; 51. Exhaust pipe; 52. Gas-solid separator; 521. Air inlet; 522. Air outlet; 523. Feeding port; 53. Dust particle recovery box; 54. Guide elbow. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0036] The present application discloses a negative pressure dust removal device for a visual camera protective cover.

[0037] Reference Figure 1 A negative pressure dust removal device for a visual camera protective cover includes a negative pressure dust collector 1, a negative pressure system 2, a control unit 4 and a dust collection assembly 5, wherein the negative pressure dust collector 1 is installed on the visual camera protective cover 3, and is provided with an air inlet 11, an air outlet 12 and a dust removal port 13, and the dust removal port 13 of the negative pressure dust collector 1 faces the window of the visual camera protective cover 3; the negative pressure system 2 is connected to the air inlet 11 to provide a negative pressure environment for the inside of the negative pressure dust collector 1, so that dust on the window of the visual camera protective cover 3 enters the inside of the negative pressure dust collector 1 from the dust removal port 13 under negative pressure conditions and is discharged from the air outlet 12; the dust collection assembly 5 is connected to the air outlet 12 of the negative pressure dust collector 1 to collect dust; the negative pressure system 2 is controlled to start or shut down by the control unit 4.

[0038] In this embodiment, the negative pressure system 2 includes an air compressor 21, a solenoid valve 22, an air intake pipe 23 and a regulating valve 24. The air compressor 21 is connected to the air inlet 11 of the negative pressure dust collector 1 through the air intake pipe 23. The solenoid valve 22 is fixedly installed on the air intake pipe 23 for opening and closing the air intake pipe 23. The solenoid valve 22 is electrically connected to the control unit 4. After the solenoid valve 22 is started and opened by the control unit 4, the compressed air in the air compressor 21 enters the negative pressure dust collector 1 through the air intake pipe 23. When the compressed gas flows from the air inlet 11 to the air outlet 12, a negative pressure environment is formed inside the negative pressure dust collector 1 through the air flow, and a local negative pressure is formed at the dust removal port 13, so that dust enters the negative pressure dust collector 1 from the dust removal port 13; the regulating valve 24 is fixedly installed on the air intake pipe 23 for adjusting the air pressure in the air intake pipe 23 to improve the dust removal effect.

[0039] The negative pressure dust collector 1 is connected to the visual camera protection cover 3 by a bolt 31. The bolt 31 is parallel to the window of the visual camera protection cover 3. The negative pressure dust collector 1 can rotate with the bolt 31 as the rotation axis. The negative pressure dust collector 1 can rotate to adjust the angle toward the window of the visual camera protection cover 3, so as to better absorb dust.

[0040] The air inlet 11 of the negative pressure dust collector 1 is provided with a guide 14, and the dust removal port 13 is provided with a rectifying member 15. The guide 14 is located inside the negative pressure dust collector 1, and the guide 14 is connected with the inside of the negative pressure dust collector 1. The guide 14 and the end of the negative pressure dust collector 1 close to the air outlet 12 are both in a pointed cone shape. The guide 14 enables the air in the air inlet pipe 23 to be transported to a certain depth in the negative pressure dust collector 1, and the pointed cone structure accelerates the flow of air after entering the negative pressure dust collector 1. The end of the negative pressure dust collector 1 close to the air outlet 12 is set to a pointed cone structure to rectify the air so that it enters the exhaust pipe 51; the rectifying member 15 is connected with the inside of the negative pressure dust collector 1 through the dust removal port 13, and the end of the rectifying member 15 away from the negative pressure dust collector 1 is flat, which increases the aperture width and facilitates the dust in the window of the visual camera protective cover 3 to enter the dust removal port 13.

[0041] To facilitate dust collection, the dust collection assembly 5 includes an exhaust pipe 51, a gas-solid separator 52 and a dust particle recovery box 53. The gas-solid separator 52 is provided with an air inlet 521, an air outlet 522 and a feed port 523, wherein the air inlet 521 is provided at the top of the side wall of the gas-solid separator 52 and is eccentrically arranged, the air outlet 522 is provided at the top of the gas-solid separator 52, the feed port 523 is provided at the bottom of the gas-solid separator 52, and the air outlet 522 and the feed port 523 are both located on the axis of the gas-solid separator 52; a guide bend 54 is fixedly connected to the air outlet 522, one end of which extends to the interior of the gas-solid separator 52 and is located below the air inlet 521; one end of the exhaust pipe 51 is connected to the negative pressure dust collector 1 is connected to the air outlet 12, the other end of the exhaust pipe 51 is connected to the air inlet 521 of the gas-solid separator 52, the discharge port 523 of the gas-solid separator 52 is communicated with the inside of the dust particle recovery box 53, the gas-solid two-phase flow in the negative pressure dust collector 1 enters the gas-solid separator 52 from the air inlet 521 through the exhaust pipe 51, the air and dust particles are diverted by the gas-solid separator 52, so that the air is discharged from the air outlet 522, and the dust particles enter the dust particle recovery box 53 from the discharge port 523 for collection, and the bottom of the gas-solid separator 52 is in a pointed cone shape, narrowing the bottom of the gas-solid separator 52, so that the air is discharged from the top of the gas-solid separator 52, and the dust enters the dust particle recovery box 53 from the bottom of the gas-solid separator 52.

[0042] It should be understood that expressions such as "include" and "may include" used in this application indicate the existence of the disclosed functions, operations or constituent elements, and do not limit one or more additional functions, operations and constituent elements. In this application, terms such as "include" and / or "have" may be interpreted as indicating specific characteristics, numbers, operations, constituent elements, components or combinations thereof, but may not be interpreted as excluding the existence or possibility of adding one or more other characteristics, numbers, operations, constituent elements, components or combinations thereof.

[0043] It should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0044] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0045] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0046] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A negative pressure dust removal device for a visual camera protective cover, characterized in that: The invention comprises a negative pressure dust collector (1) and a negative pressure system (2); the negative pressure dust collector (1) is provided with an air inlet (11), an air outlet (12) and a dust removal port (13); the negative pressure system (2) is connected to the air inlet (11) to provide a negative pressure environment inside the negative pressure dust collector (1); the negative pressure dust collector (1) is arranged on a visual camera protective cover (3) and the dust removal port (13) of the negative pressure dust collector (1) faces the window of the visual camera protective cover (3); dust on the window of the visual camera protective cover (3) enters the negative pressure dust collector (1) from the dust removal port (13) under negative pressure conditions and is then discharged from the air outlet (12); the device also comprises a control unit (4) for controlling the start or stop of the negative pressure system (2).

2. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 1, characterized in that: The negative pressure system (2) comprises an air compressor (21), a solenoid valve (22) and an air intake pipe (23); the air compressor (21) is connected to the air inlet (11) of the negative pressure dust collector (1) via the air intake pipe (23); the solenoid valve (22) is arranged on the air intake pipe (23) for opening and closing the air intake pipe (23); and the solenoid valve (22) is electrically connected to the control unit (4).

3. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 2, characterized in that: The negative pressure system (2) further comprises a regulating valve (24), wherein the regulating valve (24) is arranged on the air intake pipe (23) and is used to regulate the air pressure in the air intake pipe (23).

4. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 1, characterized in that: The device also includes a dust collection component (5), which is connected to the air outlet (12) of the negative pressure dust collector (1) to collect dust.

5. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 4, characterized in that: The dust collection assembly (5) comprises an exhaust pipe (51), a gas-solid separator (52) and a dust particle recovery box (53); the gas-solid separator (52) is provided with an air inlet (521), an air outlet (522) and a discharge port (523); one end of the exhaust pipe (51) is connected to the air outlet (12) of the negative pressure dust collector (1); the other end of the exhaust pipe (51) is connected to the air inlet (521) of the gas-solid separator (52); and the discharge port (523) of the gas-solid separator (52) is communicated with the interior of the dust particle recovery box (53).

6. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 5, characterized in that: The air inlet (521) is opened at the top of the side wall of the gas-solid separator (52) and is eccentrically arranged, the air outlet (522) is opened at the top of the gas-solid separator (52), and the feed port (523) is opened at the bottom of the gas-solid separator (52), and the air outlet (522) and the feed port (523) are both located on the axis of the gas-solid separator (52); a guide bend (54) is provided at the air outlet (522), and one end of the guide bend (54) extends to the interior of the gas-solid separator (52) and is located below the air inlet (521).

7. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 5, characterized in that: The bottom of the gas-solid separator (52) is in a pointed cone shape.

8. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 1, characterized in that: The negative pressure dust collector (1) is connected to the visual camera protection cover (3) via a bolt (31); the bolt (31) is parallel to the window of the visual camera protection cover (3); and the negative pressure dust collector (1) can rotate with the bolt (31) as a rotation axis.

9. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 1, characterized in that: The air inlet (11) of the negative pressure dust collector (1) is provided with a flow guide (14), the flow guide (14) is located inside the negative pressure dust collector (1), and the flow guide (14) and one end of the negative pressure dust collector (1) close to the air outlet (12) are both in a pointed cone shape.

10. A negative pressure dust removal device for a visual camera protective cover as claimed in claim 1, characterized in that: The negative pressure dust collector (1) is provided with a rectifying piece (15), the rectifying piece (15) being connected to the interior of the negative pressure dust collector (1) through a dust removal port (13), and the end of the rectifying piece (15) away from the negative pressure dust collector (1) being flat.

Images