Camera protection device with air knife

Abstract

The invention discloses a camera protection device with an air knife, which relates to the technical field of industrial camera protection devices and comprises a shell assembly arranged outside a camera. The shell assembly is of a frame-shaped structure, and the camera is connected with the inner wall of the frame-shaped structure; the frame-shaped structure comprises a top plate, and a window for the camera to shoot is formed in the top plate; an annular air knife assembly is arranged around the window, the annular air knife assembly is arranged between the top plate and the camera, and the annular air knife assembly can achieve annular air knife air supply. The camera protection device provided by the invention is more compact in structure, and meets the carrying requirements of small-space and small-load motion structures, especially automatic loading and unloading carrying manipulators and other motion mechanisms; a uniform and stable isolation layer can be provided, water, oil mist, dust and other foreign matters can be isolated without dead angles, and the camera identification precision is not influenced by the foreign matters.

Description

Technical Field

[0001] The invention relates to the technical field of industrial camera protection devices, and in particular to a camera protection device with a wind knife. Background Art

[0002] An industrial camera protection device with a wind knife: In the camera identification and positioning stage, it is necessary to identify the product outline in order to locate the product position. At this time, the camera needs to be physically protected from collision, and substances such as water mist and dust in the air that may adhere to the lens surface need to be isolated.

[0003] Chinese utility model patent CN208540003U discloses an industrial camera protection device, including a protective cover, an upper cover and a base; the protective cover is a box body, with a gap layer between the two layers of the four walls, an air outlet on the side of the upper end plate, an air inlet on one side of the box wall, a groove on the lower side of the air outlet, and the tempered glass is fixed in the groove; the lower end of the protective cover is connected to the base, and the mounting hole and the two sides of the base are respectively provided with an inner baffle and an outer baffle. This solution is connected to oil-free compressed air, which can cool the inside of the protective cover, protect the camera and lens from external sudden accidents, and enable the camera to work for a long time in a harsh external environment. The device is easy to disassemble, which is conducive to camera debugging and maintenance.

[0004] However, the protective device has a complex structure and a large size, and is not suitable for use in a compact space environment; moreover, the air outlet is uneven and a stable gas isolation layer cannot be formed; and the protective device cannot adjust the air outlet angle. Summary of the invention

[0005] The present invention aims to at least solve the technical problems in the prior art that the protective device has a complex structure, a large volume, is not suitable for use in a compact space environment, has uneven air output, cannot form a stable gas isolation layer, and cannot adjust the air output angle.

[0006] To this end, an object of the present invention is to provide a camera protection device with a wind knife, comprising a housing assembly arranged outside the camera;

[0007] The housing assembly is a frame-shaped structure, and the camera is connected to the inner wall of the frame-shaped structure;

[0008] The frame structure comprises a top plate, and a window for the camera to shoot is provided on the top plate;

[0009] An annular wind knife assembly is arranged around the window, and the annular wind knife assembly is arranged between the top plate and the camera.

[0010] Furthermore, the annular wind knife assembly includes an annular wind knife body, a buffer groove is arranged inside the annular wind knife body, an air supply joint is connected to the buffer groove, a first inner wall is arranged on the buffer groove near the center of the annular wind knife body, and an air outlet is opened on the first inner wall.

[0011] Furthermore, a second inner wall is arranged on the buffer groove away from the center of the annular air knife body, and the second inner wall is arranged higher than the first inner wall.

[0012] Furthermore, the axis of the air outlet is inclined downward.

[0013] Furthermore, the air outlet is provided with an air outlet pipe, and the air outlet pipe can rotate around the axis of the air outlet.

[0014] Furthermore, the air outlet pipe is connected to the air outlet via a ball joint.

[0015] Furthermore, the air supply joint is arranged around the annular air knife body.

[0016] Furthermore, a camera light source is arranged around the window, and the camera light source is arranged outside the frame structure.

[0017] Furthermore, the frame structure includes a bottom plate and side plates connected between the top plate and the bottom plate.

[0018] Furthermore, the camera is connected via a connector.

[0019] The camera protection device with a wind knife of the present invention has the following beneficial effects:

[0020] The camera protection device with a wind knife of the present invention has a more compact structure and meets the requirements of carrying a motion structure with a small space and a small load, especially an automatic loading and unloading robot and other motion mechanisms; it can provide a uniform and stable isolation layer to ensure that foreign matter such as water, oil mist, dust, etc. is isolated without dead angles, and the camera recognition accuracy is not affected by foreign matter; the annular wind knife assembly can realize annular wind knife air supply to prevent water mist, oil mist, dust, etc. in the air from adhering to the surface of the camera lens and affecting the accuracy, and can form a uniform and stable gas isolation layer, while being able to blow air to clean the camera lens and also realize cooling treatment of the camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 is a structural schematic diagram of a camera protection device with a wind knife in an embodiment of the present invention;

[0023] Figure 2 Schematic diagram of airflow direction of a ring-shaped wind knife assembly of a camera protection device with a wind knife in a working state in an embodiment of the present invention;

[0024] Figure 3 It is a top view of the airflow direction of a ring-shaped wind knife assembly of a camera protection device with a wind knife in an embodiment of the present invention in a working state;

[0025] Figure 4 is a schematic diagram of the airflow direction of a camera protection device with an air knife after adjusting the angle of the air outlet pipe in an embodiment of the present invention;

[0026] Figure 5 1 is a schematic structural diagram of an annular wind knife assembly of a camera protection device with a wind knife in an embodiment of the present invention;

[0027] Figure 6 It is a cross-sectional view of the structure of an annular wind knife assembly of a camera protection device with a wind knife in an embodiment of the present invention.

[0028] Reference numerals:

[0029] 100, shell assembly; 101, top plate; 102, side plate; 103, bottom plate; 104, connector; 1011, window; 200, camera; 300, annular wind knife assembly; 301, annular wind knife body; 3011, buffer tank; 3012, air outlet; 3013, air outlet pipe; 400, camera light source. DETAILED DESCRIPTION

[0030] Various aspects and features of the present invention are described herein with reference to the accompanying drawings.

[0031] It should be understood that various modifications may be made to the embodiments of the present application. Therefore, the above description should not be considered as limiting, but only as an example of the embodiments. Other modifications within the scope and spirit of the present invention will occur to those skilled in the art.

[0032] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and, together with the general description of the invention given above and the detailed description of the embodiments given below, serve to explain the principles of the invention.

[0033] These and other characteristics of the invention will become apparent from the following description of a preferred form of embodiment given as a non-limiting example, with reference to the accompanying drawings.

[0034] It should also be understood that, although the invention has been described with reference to some specific examples, those skilled in the art will be able to realize many other equivalent forms of the invention that have the characteristics recited in the claims and are therefore within the scope of protection defined thereby.

[0035] The above and other aspects, features and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

[0036] Specific embodiments of the present invention are described hereinafter with reference to the accompanying drawings; however, it should be understood that the embodiments claimed are merely examples of the present invention, which may be implemented in a variety of ways. Well-known and / or repeated functions and structures are not described in detail to avoid obscuring the present invention with unnecessary or redundant details. Therefore, the specific structural and functional details claimed herein are not intended to be limiting, but merely serve as a basis and representative basis for the claims to teach those skilled in the art to use the present invention in a variety of ways with substantially any suitable detailed structure.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "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 invention 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 limiting the present invention.

[0038] In the description of the present invention, "first feature" or "second feature" may include one or more of the features.

[0039] In the description of the present invention, "plurality" means two or more.

[0040] In the description of the present invention, a first feature being “on” or “under” a second feature may include that the first and second features are directly in contact with each other, or may include that the first and second features are not in direct contact with each other but are in contact with each other via another feature therebetween.

[0041] In the description of the present invention, “on”, “over” and “above” a first feature from a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0042] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

[0044] Example 1

[0045] like Figure 1-Figure 2 As shown, this embodiment provides a camera protection device with a wind knife, including a housing assembly 100 disposed outside a camera 200;

[0046] The housing assembly 100 is a frame-shaped structure, and the camera 200 is connected to the inner wall of the frame-shaped structure;

[0047] The frame structure includes a top plate 101, and a window 1011 for the camera 200 to take pictures is opened on the top plate 101;

[0048] An annular wind knife assembly 300 is arranged around the window 1011. The annular wind knife assembly 300 is arranged between the top plate 101 and the camera 200. The annular wind knife assembly 300 can realize annular wind knife air supply to prevent water mist, oil mist, dust and the like in the air from adhering to the surface of the camera lens and affecting the accuracy. It can form a uniform and stable gas isolation layer, and at the same time, it can blow air to clean the camera lens and realize cooling treatment of the camera.

[0049] The camera protection device with a wind knife of the present invention has a more compact structure and meets the requirements of small space and small load motion structure carrying, especially automatic loading and unloading carrying manipulators and other motion mechanisms; it can provide a uniform and stable isolation layer to ensure that there is no dead angle to isolate foreign matter such as water, oil mist, dust, etc., and ensure that the camera recognition accuracy is not affected by foreign matter.

[0050] Example 2

[0051] like Figure 1-Figure 2 As shown, this embodiment provides a camera protection device with a wind knife, including a housing assembly 100 disposed outside a camera 200;

[0052] The housing assembly 100 is a frame-shaped structure, and the camera 200 is connected to the inner wall of the frame-shaped structure;

[0053] The frame structure includes a top plate 101, and a window 1011 for the camera 200 to take pictures is opened on the top plate 101;

[0054] An annular wind knife assembly 300 is arranged around the window 1011. The annular wind knife assembly 300 is arranged between the top plate 101 and the camera 200. The annular wind knife assembly 300 can realize annular wind knife air supply to prevent water mist, oil mist, dust and the like in the air from adhering to the surface of the camera lens and affecting the accuracy. It can form a uniform and stable gas isolation layer, and at the same time, it can blow air to clean the camera lens and realize cooling treatment of the camera.

[0055] The camera protection device with a wind knife of the present invention has a more compact structure and meets the requirements of small space and small load motion structure carrying, especially automatic loading and unloading carrying manipulators and other motion mechanisms; it can provide a uniform and stable isolation layer to ensure that there is no dead angle to isolate foreign matter such as water, oil mist, dust, etc., and ensure that the camera recognition accuracy is not affected by foreign matter.

[0056] The difference between this embodiment and the first embodiment is that:

[0057] like Figure 3 and Figure 5 As shown, the annular wind knife assembly 300 includes an annular wind knife body 301, and a buffer groove 3011 is arranged inside the annular wind knife body 301. Specifically, the buffer groove 3011 is annular and can produce a buffering effect on the airflow; the annular wind knife body 301 is also an annular structure.

[0058] An air outlet 3012 is provided on the inner wall of the buffer groove 3011 near the center of the annular wind knife body 301, and the axis of the air outlet 3012 is inclined downward relative to the horizontal line. The air flow blown out through the air outlet 3012 is directly blown to the lens surface of the camera 200, thereby cleaning the lens surface; the air flow is rebounded by the lens surface and rises to form a gas isolation layer, thereby preventing external dust from falling on the lens and affecting the shooting accuracy of the camera.

[0059] The buffer tank 3011 is provided with an air supply joint for supplying air to the inside of the buffer tank 3011 .

[0060] Furthermore, a first inner wall of the buffer groove 3011 close to the center of the annular air knife body 301 is lower than a second inner wall of the buffer groove 3011 far from the center of the annular air knife body 301, thereby forming a downward airflow.

[0061] Example 3

[0062] like Figure 1-Figure 2 As shown, this embodiment provides a camera protection device with a wind knife, including a housing assembly 100 disposed outside a camera 200;

[0063] The housing assembly 100 is a frame-shaped structure, and the camera 200 is connected to the inner wall of the frame-shaped structure;

[0064] The frame structure includes a top plate 101, and a window 1011 for the camera 200 to take pictures is opened on the top plate 101;

[0065] An annular wind knife assembly 300 is arranged around the window 1011. The annular wind knife assembly 300 is arranged between the top plate 101 and the camera 200. The annular wind knife assembly 300 can realize annular wind knife air supply to prevent water mist, oil mist, dust and the like in the air from adhering to the surface of the camera lens and affecting the accuracy. It can form a uniform and stable gas isolation layer, and at the same time, it can blow air to clean the camera lens and realize cooling treatment of the camera.

[0066] The camera protection device with a wind knife of the present invention has a more compact structure and meets the requirements of small space and small load motion structure carrying, especially automatic loading and unloading carrying manipulators and other motion mechanisms; it can provide a uniform and stable isolation layer to ensure that there is no dead angle to isolate foreign matter such as water, oil mist, dust, etc., and ensure that the camera recognition accuracy is not affected by foreign matter.

[0067] The annular wind knife assembly 300 includes an annular wind knife body 301, and a buffer groove 3011 is arranged inside the annular wind knife body 301. Specifically, the buffer groove 3011 is annular and can produce a buffering effect on the airflow; the annular wind knife body 301 is also an annular structure.

[0068] An air outlet 3012 is provided on the inner wall of the buffer groove 3011 near the center of the annular wind knife body 301, and the axis of the air outlet 3012 is inclined downward relative to the horizontal line. The air flow blown out through the air outlet 3012 is directly blown to the lens surface of the camera 200, thereby cleaning the lens surface; the air flow is rebounded by the lens surface and rises to form a gas isolation layer, thereby preventing external dust from falling on the lens and affecting the shooting accuracy of the camera.

[0069] The buffer tank 3011 is provided with an air supply joint for supplying air to the inside of the buffer tank 3011 .

[0070] Furthermore, the inner wall of the buffer groove 3011 close to the center of the annular air knife body 301 is lower than the outer wall of the buffer groove 3011, forming a downward airflow.

[0071] The difference between this embodiment and the second embodiment is that:

[0072] like Figure 4 and Figure 6 As shown, an air outlet pipe 3013 is installed at the air outlet 3012. The air outlet pipe 3013 can rotate around the axis of the air outlet 3012. The annular airflow isolates water, oil mist, etc. At the same time, the cleaning force of the camera lens can be adjusted by adjusting the angle of the air outlet pipe 3013 to meet the camera protection requirements in different humidity environments.

[0073] More specifically, the air outlet pipe 3013 is connected to the air outlet 3012 via a ball joint.

[0074] Example 4

[0075] like Figure 1-Figure 2 As shown, this embodiment provides a camera protection device with a wind knife, including a housing assembly 100 disposed outside a camera 200;

[0076] The housing assembly 100 is a frame-shaped structure, and the camera 200 is connected to the inner wall of the frame-shaped structure;

[0077] The frame structure includes a top plate 101, and a window 1011 for the camera 200 to take pictures is opened on the top plate 101;

[0078] An annular wind knife assembly 300 is arranged around the window 1011. The annular wind knife assembly 300 is arranged between the top plate 101 and the camera 200. The annular wind knife assembly 300 can realize annular wind knife air supply to prevent water mist, oil mist, dust and the like in the air from adhering to the surface of the camera lens and affecting the accuracy. It can form a uniform and stable gas isolation layer, and at the same time, it can blow air to clean the camera lens and realize cooling treatment of the camera.

[0079] The camera protection device with a wind knife of the present invention has a more compact structure and meets the requirements of small space and small load motion structure carrying, especially automatic loading and unloading carrying manipulators and other motion mechanisms; it can provide a uniform and stable isolation layer to ensure that there is no dead angle to isolate foreign matter such as water, oil mist, dust, etc., and ensure that the camera recognition accuracy is not affected by foreign matter.

[0080] The annular wind knife assembly 300 includes an annular wind knife body 301, and a buffer groove 3011 is arranged inside the annular wind knife body 301. Specifically, the buffer groove 3011 is annular and can produce a buffering effect on the airflow; the annular wind knife body 301 is also an annular structure.

[0081] An air outlet 3012 is provided on the inner wall of the buffer groove 3011 near the center of the annular wind knife body 301, and the axis of the air outlet 3012 is inclined downward relative to the horizontal line. The air flow blown out through the air outlet 3012 is directly blown to the lens surface of the camera 200, thereby cleaning the lens surface; the air flow is rebounded by the lens surface and rises to form a gas isolation layer, thereby preventing external dust from falling on the lens and affecting the shooting accuracy of the camera.

[0082] The buffer tank 3011 is provided with an air supply joint for supplying air to the inside of the buffer tank 3011 .

[0083] Furthermore, the inner wall of the buffer groove 3011 close to the center of the annular air knife body 301 is lower than the outer wall of the buffer groove 3011, forming a downward airflow.

[0084] The difference between this embodiment and the second embodiment is that:

[0085] An air outlet pipe 3013 is installed at the air outlet 3012. The air outlet pipe 3013 can rotate around the axis of the air outlet 3012. The annular airflow isolates water, oil mist, etc. At the same time, the cleaning force of the camera lens can be adjusted by adjusting the angle of the air outlet pipe 3013 to meet the camera protection requirements in different humidity environments.

[0086] More specifically, the air outlet pipe 3013 is connected to the air outlet 3012 via a ball joint.

[0087] The difference between this embodiment and the third embodiment is that:

[0088] A camera light source 400 is arranged around the window 102 and is arranged outside the frame structure.

[0089] The frame structure includes a bottom plate 103 and a side plate 102 connected between the top plate 101 and the bottom plate 103; specifically, the bottom plate 103 and the side plate 102, and the side plate 102 and the top plate 101 are connected by welding, and the structure is simple and compact.

[0090] The camera 200 is connected via a connecting member 104 , and the cross section of the connecting member 104 is L-shaped.

Claims

1. A camera protection device with a wind knife, characterized in that: including a housing assembly disposed outside the camera; The housing assembly is a frame-shaped structure, and the camera is connected to the inner wall of the frame-shaped structure; The frame structure comprises a top plate, and a window for the camera to shoot is provided on the top plate; An annular wind knife assembly is arranged around the window, and the annular wind knife assembly is arranged between the top plate and the camera.

2. The camera protection device with wind knife according to claim 1, characterized in that: The annular air knife assembly includes an annular air knife body, a buffer groove is arranged inside the annular air knife body, an air supply joint is connected to the buffer groove, a first inner wall is arranged on the buffer groove near the center of the annular air knife body, and an air outlet is opened on the first inner wall.

3. The camera protection device with wind knife according to claim 2, characterized in that: A second inner wall is disposed on the buffer groove away from the center of the annular air knife body, and the second inner wall is disposed higher than the first inner wall.

4. The camera protection device with wind knife according to claim 2, characterized in that: The axis of the air outlet is inclined downward.

5. The camera protection device with wind knife according to claim 2, characterized in that: The air outlet is equipped with an air outlet pipe, and the air outlet pipe can rotate around the axis of the air outlet.

6. The camera protection device with wind knife according to claim 5, characterized in that: The air outlet pipe is connected to the air outlet via a ball joint.

7. The camera protection device with wind knife according to claim 2, characterized in that: The air supply joint is arranged around the annular air knife body.

8. The camera protection device with wind knife according to claim 1, characterized in that: A camera light source is arranged around the window, and the camera light source is arranged outside the frame structure.

9. The camera protection device with wind knife according to claim 1, characterized in that: The frame structure includes a bottom plate and a side plate connected between the top plate and the bottom plate.

10. The camera protection device with wind knife according to claim 9, characterized in that: The cameras are connected via a connector.

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