Detection vehicle industrial camera system protection device and method

Abstract

The invention provides a protection device and method for an industrial camera shooting system of a detection vehicle, relates to the field of pavement disease detection equipment, and aims to solve the problem that the shooting precision is poor due to the fact that a protection shell of an existing vehicle-mounted industrial camera shooting system is difficult to realize self-cleaning. The windward shell and the leeward shell of the protective shell can move relatively to form a dynamic streamline air guide structure, the windward angle of the windward shell is changed, and a high-pressure area can be formed on the leeward upper convex surface and the leeward lower convex surface of the leeward shell at different vehicle speeds, so that pollutants entrained along with airflow are taken away and prevented from being attached, and the service life of the air conditioner is prolonged. The cleanness of the leeward upper convex surface and the leeward lower convex surface of the perspective surface of the industrial camera system is kept, and the shooting shielding is reduced, so that the image quality is improved.

Description

Technical Field

[0001] The invention relates to the field of road surface disease detection equipment, and in particular to a protection device and method for an industrial camera system of a detection vehicle. Background Art

[0002] Pavement defect detection based on machine vision is the main technology for current intelligent pavement detection. One of the core contents of this technology is to collect high-quality pavement defect images. The equipment used is an industrial camera installed on the top of the inspection vehicle. Since the camera is exposed to the air for a long time and faces the wind when driving at high speed, the camera mirror is often blurred due to factors such as mosquitoes colliding with the lens, rain, snow and dust, which affects the quality of the captured image and is an urgent problem to be solved.

[0003] At present, there are two main types of industrial camera protective shells. One is a professional monitoring industrial camera protective shell, which can protect its internal precision electronic components and SLR lenses from the influence of climate and environment, but it has no self-cleaning function and can only be used under static conditions. A Chinese patent (publication number: CN 113534573 B) discloses an industrial camera protective device with a self-cleaning function, which can dissipate heat and cool the industrial camera to ensure its normal operation. At the same time, the inner cavity of the shell can always be in a positive pressure state, and the outside air and dust cannot enter the inner cavity of the shell, thereby achieving a good sealing effect. In addition, by designing a cleaning mechanism, the device realizes self-cleaning of the window glass and brush. This type of industrial camera protective shell is equipped with a cleaning motor, a wiper, and a spray head assembly for spraying the camera window, just like the wiper assembly of a car. The cleaning process needs to be used with detergents, water, etc., and the cleaning cycle is also short. If it is placed on the roof for cleaning, the interference of the wiper will block the shooting of the industrial camera, affecting the recognition accuracy, and it is necessary to pull over to clean it. Frequent pull-overs on the highway will also bring great safety hazards to traffic. At present, protective cases suitable for static environments and protective cases with wipers cannot solve the existing problems, and it is difficult to achieve flexible cleaning, and it is impossible to reduce the impact on the normal operation of the industrial camera during the cleaning process. Summary of the invention

[0004] The purpose of the present invention is to address the defects of the prior art and provide a protection device and method for the industrial camera system of an inspection vehicle. A streamlined protective shell based on fluid mechanics is used as the protective structure of the industrial camera system. The windward shell and the leeward shell of the protective shell can move relative to each other to form a dynamic streamlined wind guide structure, which changes the wind receiving angle of the windward shell. Under different vehicle speeds, a high-pressure area can be formed on the leeward upper convex surface and the leeward lower convex surface of the leeward shell, thereby taking away pollutants entrained with the airflow to avoid attachment, keeping the leeward upper convex surface and the leeward lower convex surface, which serve as the perspective surface of the industrial camera system, clean, reducing shooting obstructions and improving image quality.

[0005] The first object of the present invention is to provide a protection device for an industrial camera system of an inspection vehicle, which adopts the following scheme:

[0006] include:

[0007] The protective shell comprises a windward shell and a leeward shell respectively provided with openings, one end of the leeward shell opening protrudes into the windward shell opening; the windward shell forms a windward upper convex surface and a windward lower convex surface at one end away from the opening, and the leeward shell forms a leeward upper convex surface and a leeward lower convex surface at one end away from the opening, which serve as a transmission surface of the industrial camera system;

[0008] An adjustment component is installed on the protective shell and connected to the windward shell and the leeward shell respectively, and the adjustment component can drive the windward shell to deform and change its orientation relative to the leeward shell;

[0009] The controller is connected with an adjustment component and a wind speed sensor located outside the protective shell. The wind speed sensor obtains the wind speed of the wind field where the protective shell is located and sends it to the controller. The controller controls the adjustment component to make the leeward upper convex surface and the leeward lower convex surface of the protective shell be in the high-pressure area of ​​the wind field.

[0010] Furthermore, the intersection line of the windward upper convex surface and the windward lower convex surface is parallel to the intersection line of the leeward upper convex surface and the leeward lower convex surface, and the surface where the two intersection lines are located is used as a reference plane, the windward upper convex surface and the leeward upper convex surface are located above the reference plane, and the windward lower convex surface and the leeward lower convex surface are located below the reference plane.

[0011] Furthermore, the windward upper convex surface and the windward lower convex surface are both curved surfaces, and the adjustment component drives the windward shell to deform so as to adjust the curvature of the windward upper convex surface and the windward lower convex surface.

[0012] Furthermore, sealing members are provided between the leeward shell opening and the windward shell opening, between the windward upper convex surface and the leeward upper convex surface, and between the windward lower convex surface and the leeward lower convex surface, respectively, so that a protective cavity isolated from the outside is formed inside the protective shell.

[0013] Furthermore, the seal arranged between the windward upper convex surface and the leeward upper convex surface is an upper seal, and the seal arranged between the windward lower convex surface and the leeward lower convex surface is a lower seal, and both the upper seal and the lower seal are elastic sealing structures.

[0014] Furthermore, the protective shell forms a protective cavity, and a bracket for carrying the industrial camera system is provided in the protective cavity.

[0015] Furthermore, the leeward shell is connected to a support, and the wind speed sensor is mounted on the support.

[0016] Furthermore, the adjustment component includes a driving member and a rotating shaft, one end of the rotating shaft is connected to the driving member, and the other end passes through the side of the leeward shell body and is connected to the windward shell body as a fixed end. The rotating shaft passes through the leeward shell body and is equipped with a rotating seat. The driving member drives the rotating shaft to rotate relative to the leeward shell body to drive the windward shell body to deform and move.

[0017] The second object of the present invention is to provide a working method of the protection device for the industrial camera system of the inspection vehicle as described in the first object, comprising:

[0018] Install the protective shell on the inspection vehicle so that the windward shell is located at the windward end of the inspection vehicle;

[0019] When the inspection vehicle is driving, the wind speed sensor measures the wind speed in the wind field where the protective shell is located. The controller calculates the required angle of the windward shell when the leeward upper convex surface and the leeward lower convex surface are in the high-pressure area of ​​the wind field under this wind speed, and controls the adjustment component to drive the windward shell to move;

[0020] The windward shell is adjusted to a state where the airflow on the leeward upper convex surface and the leeward lower convex surface is in the high pressure area of ​​the wind field, the wind speed of the wind field is measured in real time, and the windward shell is adjusted;

[0021] The industrial camera system can obtain images of the road surface on which the inspection vehicle is traveling through the upper leeward convex surface and the lower leeward convex surface.

[0022] Furthermore, when the adjustment component drives the windward shell to move, the windward shell is deformed and the orientation of the windward shell relative to the leeward shell is changed, thereby guiding the airflow in the wind farm.

[0023] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0024] (1) In view of the problem that the protective shell of the current on-board industrial camera system is difficult to self-clean, resulting in poor image quality, a streamlined protective shell based on fluid mechanics is used as the protective structure of the industrial camera system. The windward shell and the leeward shell of the protective shell can move relative to each other to form a dynamic streamlined wind guide structure, change the wind receiving angle of the windward shell, and form a high-pressure area on the leeward upper convex surface and the leeward lower convex surface of the leeward shell at different vehicle speeds, thereby removing pollutants entrained with the airflow to prevent adhesion, keeping the leeward upper convex surface and the leeward lower convex surface as the perspective surface of the industrial camera system clean, reducing shooting obstructions and improving image quality. In addition, it can also reduce the obstruction problem caused by the use of active cleaning elements, realize self-cleaning of the protective shell during vehicle driving, and there is no need to frequently or periodically stop on the road for additional cleaning operations, ensuring the continuous and stable operation of the industrial camera system.

[0025] (2) The windward shell can move relative to the leeward shell under the drive of the adjustment component, changing the direction of the front end of the windward shell, thereby changing the state of the windward upper convex surface and the windward lower convex surface. The real-time wind speed measured by the wind speed sensor is used as a reference to match the relative positions of the windward shell and the leeward shell at the corresponding speed, adapt to the wind field environment where the protective shell is located at different vehicle speeds, and guide the airflow at the corresponding speed to ensure that the perspective surface of the industrial camera system is in a high-pressure area after the wind field is guided, thereby reducing the adhesion of pollutants and using the airflow to achieve continuous blowing, thereby improving the shooting accuracy of the industrial camera system.

[0026] (3) The windward shell and the leeward shell are connected by an adjustment component and can be adjusted under the drive of the adjustment component. The rotating shaft of the adjustment component can ensure that the windward component and the leeward component remain connected to prevent the two from being separated. At the same time, the rotating shaft transmits the torque of the driving member, driving the windward shell to move and deform relative to the leeward shell, so that the windward upper convex surface and the windward lower convex surface of the windward shell form the required posture and position, guide the wind field in which the vehicle is located when running at high speed, and meet the demand for forming a high-pressure area on the leeward upper convex surface and the leeward lower convex surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0028] Figure 1 It is a schematic diagram of the structure of the protection device of the industrial camera system of the inspection vehicle in Examples 1 and 2 of the present invention.

[0029] Figure 2 Schematic diagram of the windward shell and the leeward shell in Examples 1 and 2 of the present invention.

[0030] Figure 3Schematic diagram of the size distribution of the windward shell and the leeward shell in Examples 1 and 2 of the present invention.

[0031] Figure 4 Schematic diagram of the width of the windward shell and the leeward shell in Examples 1 and 2 of the present invention.

[0032] Figure 5 It is a schematic diagram of the coordination state of the windward shell and the leeward shell in Examples 1 and 2 of the present invention.

[0033] Figure 6 It is a schematic diagram of the adjustment assembly for driving the windward shell to move relative to the leeward shell in embodiments 1 and 2 of the present invention.

[0034] Figure 7 Schematic diagram of the protective shell before and after deformation in the wind farm in Examples 1 and 2 of the present invention.

[0035] Among them, 1. windward shell; 2. leeward shell; 3. windward upper convex surface; 4. windward lower convex surface; 5. leeward upper convex surface; 6. leeward lower convex surface; 7. support; 8. wind speed sensor; 9. lower seal; 10. upper seal; 11. adjustment component; 12. controller; 13. bracket; 14. rotating shaft; 15. rotating seat; 16. fixed end; 17. driving part. DETAILED DESCRIPTION

[0036] Example 1

[0037] In a typical embodiment of the present invention, Figure 1-Figure 7 As shown, a protection device for the industrial camera system of an inspection vehicle is provided.

[0038] At present, whether it is a protective shell suitable for a static environment or a wiper-type protective shell, it cannot solve the existing problems, it is difficult to achieve long-term cleaning, and the normal operation of the industrial camera cannot be affected during the cleaning process. Based on this, this embodiment provides a protective device for the industrial camera system of an inspection vehicle, which adopts a streamlined protective shell based on fluid mechanics as a protective structure of the industrial camera system. The windward shell 1 and the leeward shell 2 of the protective shell can move relative to each other to form a dynamic streamlined wind guide structure, change the wind receiving angle of the windward shell 1, and form a high-pressure area on the leeward upper convex surface 5 and the leeward lower convex surface 6 of the leeward shell 2 at different vehicle speeds, thereby taking away the pollutants entrained with the airflow to avoid attachment, keeping the leeward upper convex surface 5 and the leeward lower convex surface 6 as the perspective surface of the industrial camera system clean, reducing shooting obstructions to improve shooting accuracy.

[0039] like Figure 1As shown, the protection device of the industrial camera system of the inspection vehicle includes a protective shell, an adjustment component 11, a controller 12 and a wind speed sensor 8. The protective shell includes a windward shell 1 and a leeward shell 2 respectively provided with openings, and one end of the opening of the leeward shell 2 extends into the opening of the windward shell 1; the end of the windward shell 1 away from the opening forms a windward upper convex surface 3 and a windward lower convex surface 4, and the end of the leeward shell 2 away from the opening forms a leeward upper convex surface 5 and a leeward lower convex surface 6, which serve as transmission surfaces of the industrial camera system.

[0040] Among them, the windward upper convex surface 3 and the windward lower convex surface 4 need to use materials with strong toughness, such as nickel-based alloys or hard PVC plastics, which can resist airflow and maintain the stability of the windward shell 1. The leeward upper convex surface 5 and the leeward lower convex surface 6 are image collection surfaces for industrial cameras, and transparent materials are required to achieve clear shooting. It is recommended to use materials such as high-definition transparent PVC plastics.

[0041] like Figure 3 As shown, the four parts of the windward upper convex surface 3, the windward lower convex surface 4, the leeward upper convex surface 5, and the leeward lower convex surface 6 are all irregular gradient surfaces, and the trajectory of the curved surface corresponds to the gradient curve. According to the fluid mechanics formula, the streamlined self-cleaning function can be achieved according to the following design requirements. In the front and rear directions of the inspection vehicle, the windward upper convex surface 3 is set to have an outer diameter length of Amm, an inner diameter length of 0.605Amm, and an arc height of 0.233Amm. The windward lower convex surface 4 requires an outer diameter length of Amm, an inner diameter length of 0.558Amm, and an arc height of 0.326Amm. The leeward upper convex surface 5 requires an outer diameter length of 1.325Amm, an inner diameter length of 0.953Amm, and an arc height of 0.279Amm. The leeward lower convex surface 6 requires an outer diameter of 1.209Amm, an inner diameter of 1.325Amm, and an arc height of 0.186Amm; the common plane at the front is 0.081Amm higher than the common plane at the rear; the overlapping portion of the windward upper convex surface 3 and the leeward upper convex surface 5 is 0.465Amm, and the overlapping portion of the windward lower convex surface 4 and the leeward lower convex surface 6 is 0.372Amm.

[0042] The intersection line of the windward upper convex surface 3 and the windward lower convex surface 4 is parallel to the intersection line of the leeward upper convex surface 5 and the leeward lower convex surface 6. The surface where the two intersection lines are located is used as a reference plane. The windward upper convex surface 3 and the leeward upper convex surface 5 are located above the reference plane, and the windward lower convex surface 4 and the leeward lower convex surface 6 are located below the reference plane. The windward upper convex surface 3 and the windward lower convex surface 4 are both curved surfaces, and the adjustment component 11 drives the windward shell 1 to deform to adjust the curvature of the windward upper convex surface 3 and the windward lower convex surface 4.

[0043] In addition, if Figure 4As shown, in the width direction of the inspection vehicle, the outer diameter widths of the windward upper convex surface 3 and the windward lower convex surface 4 are both 0.744Amm; the outer diameter widths of the leeward upper convex surface 5 and the leeward lower convex surface 6 are both 0.724Amm. It is ensured that the windward upper convex surface 3 and the windward lower convex surface 4 can be overlapped together, and the leeward upper convex surface 5 and the leeward lower convex surface 6 can be overlapped together.

[0044] The protective shell must be resistant to deformation. When the test vehicle is driving, the material of the windward shell 1 at the front of the vehicle must meet the requirements of compression resistance and deformation resistance, and the material of the leeward shell 2 at the rear of the vehicle must meet the requirements of tensile resistance and deformation resistance, which are required to be no less than the values ​​shown in Table 1.

[0045] Table 1 Strength requirements

[0046] Vehicle speed (km / h) 80 90 100 110 120 Windward shell compressive strength (KPa) 1.0 1.2 1.5 1.8 2.0 Leeward shell tensile strength (KPa) 0.8 0.9 1.0 1.1 1.2

[0047] like Figure 2 and Figure 5 As shown, sealing members are respectively provided between the opening of the leeward shell 2 and the opening of the windward shell 1, between the windward upper convex surface 3 and the leeward upper convex surface 5, and between the windward lower convex surface 4 and the leeward lower convex surface 6, so that a protective cavity isolated from the outside is formed inside the protective shell. The sealing member provided between the windward upper convex surface 3 and the leeward upper convex surface 5 is an upper seal 10, and the sealing member provided between the windward lower convex surface 4 and the leeward lower convex surface 6 is a lower seal 9, and both the upper seal 10 and the lower seal 9 are elastic sealing structures.

[0048] The elastic sealing structure uses a waterproof sealing material, which is attached to the leeward shell 2 and the windward shell 1 respectively. In the vertical direction, the cross-sectional height of the front windward shell 1 is greater than the cross-sectional height of the rear leeward shell 2. The waterproof sealing material can be a soft sponge, which is glued between the opening of the leeward shell 2 and the opening of the windward shell 1 and has good elasticity. When the gap between the windward shell 1 and the leeward shell 2 changes, the elastic sealing structure can be stretched or compressed well due to its own elasticity, so as to play a waterproof insulation role, which can greatly extend the service life of the equipment.

[0049] like Figure 5 As shown, the leeward shell 2 is connected to a support 7, and the wind speed sensor 8 is installed on the support 7. The support 7 mainly serves to fix the protective shell on the roof of the inspection vehicle. It is made of materials with strong impact resistance such as nickel-based alloys, and a buffer pad is provided at the bottom to reduce the problem of displacement when used on the top of the vehicle. The protective shell forms a protective cavity, and a bracket 13 for carrying the industrial camera system is provided in the protective cavity. The bracket 13 can be moved and adjusted relative to the protective shell, such as Figure 3 and Figure 4As shown, the length and width of the bracket 13 can be adjusted within the range of 0.465Amm in width and 0.372Amm in height to adapt to the sizes of various industrial camera systems, facilitate the installation of industrial cameras and other components of industrial camera systems to meet installation requirements.

[0050] The adjustment component 11 includes a driving member 17 and a rotating shaft 14. One end of the rotating shaft 14 is connected to the driving member 17, and the other end passes through the side of the leeward shell body 2 and is connected to the windward shell body 1 as a fixed end 16. The rotating shaft 14 passes through the leeward shell body 2 and is equipped with a rotating seat 15. The driving member 17 drives the rotating shaft 14 to rotate relative to the leeward shell body 2 to drive the windward shell body 1 to deform and move.

[0051] The fixed end 16 is connected to the windward shell 1 to limit the dislocation movement of the windward shell 1. The diameter of the fixed end 16 is 0.1Amm, and the thickness is not limited. An anti-skid pad is provided on the inner side of the fixed end 16. The drive member 17 is output through the rotating shaft 14 on both sides respectively. The total thickness of the anti-skid pads of the fixed ends 16 at the ends of the two rotating shafts 14 does not exceed 0.015Amm. The rotating shaft 14 is made of a torsion-resistant alloy material with a diameter of 0.08Amm. The diameter size of the drive member 17 is within 0.7Amm, and the length of the rotating shaft 14 on both sides of the drive member 17 is adjusted according to demand. The entire adjustment component 11 can be smoothly placed in the protective shell.

[0052] like Figure 5 and Figure 6 As shown, the windward shell 1 and the leeward shell 2 are connected by adjusting parts during assembly, and the rotating seat 15 is located at a bearing, and the rotating shaft 14 passes through the inner ring of the bearing and is fixed to the inner ring of the bearing, which plays a role in limiting the displacement of the windward shell 1 and the leeward shell 2. The driving part 17 is an electric motor, a linear motor, a servo motor, etc., and controls the rotation of the rotating shaft 14 at a speed of not less than 600r / min, so as to timely drive the windward shell 1 to rotate, thereby changing the wind receiving angle of the windward shell 1, adjusting the wind field state of the entire protective shell, and preventing dust from accumulating. Figure 6 shown.

[0053] The wind speed sensor 8 can measure the wind speed in real time and transmit the data to the controller 12, which can be connected to the computing integrated processing system. The required angle is calculated according to the wind speed, and the operation of the driving member 17 is controlled to dynamically adjust the wind receiving angle of the streamlined protective shell. The adjustment component 11 is installed on the protective shell and is respectively connected to the windward shell 1 and the leeward shell 2. The adjustment component 11 can drive the windward shell 1 to deform and change its orientation relative to the leeward shell 2.

[0054] The controller 12 is connected to the adjustment component 11 and the wind speed sensor 8 located outside the protective shell. The wind speed sensor 8 obtains the wind speed of the wind field where the protective shell is located and sends it to the controller 12. The controller 12 controls the adjustment component 11 to make the leeward upper convex surface 5 and the leeward lower convex surface 6 of the protective shell in the high-pressure area of ​​the wind field.

[0055] Example 2

[0056] In another typical embodiment of the present invention, Figure 1-Figure 7 As shown, a working method of a protection device for an industrial camera system of an inspection vehicle is provided, using the protection device for an industrial camera system of an inspection vehicle as in Example 1.

[0057] A working method of a protective device for an industrial camera system of an inspection vehicle, comprising:

[0058] Install the protective shell on the inspection vehicle so that the windward shell 1 is located at the windward end of the inspection vehicle;

[0059] When the detection vehicle is driving, the wind speed sensor 8 measures the wind speed of the wind field where the protective shell is located, and the controller 12 calculates the required angle of the windward shell 1 when the leeward upper convex surface 5 and the leeward lower convex surface 6 are in the high pressure area of ​​the wind field under this wind speed, and controls the adjustment component 11 to drive the windward shell 1 to move;

[0060] The windward shell 1 is adjusted to a state where the airflow on the leeward upper convex surface 5 and the leeward lower convex surface 6 is in a high-pressure area of ​​the wind field, the wind speed of the wind field is measured in real time, and the windward shell 1 is adjusted;

[0061] The industrial camera system can obtain images of the road surface on which the inspection vehicle is traveling through the leeward upper convex surface 5 and the leeward lower convex surface 6 .

[0062] When the adjustment component 11 drives the windward shell 1 to move, the windward shell 1 is deformed and the orientation of the windward shell 1 relative to the leeward shell 2 is changed, thereby guiding the airflow in the wind field.

[0063] like Figure 1-Figure 6 As shown, when the vehicle is traveling at high speed, the wind blowing quickly through the streamlined protective shell will form a high-pressure area at the rear end of the protective shell. Compared with other areas, there is a positive pressure, which generates a force to push away pollutants such as dust brought by the wind to achieve a self-cleaning function.

[0064] When the wind speed changes or the vehicle speed changes, the streamlined protective shell surface cannot form a high-pressure area, and a viscous flow will be formed to attach dust to the protective shell surface. The wind speed sensor 8 measures the wind speed parameters and transmits the obtained specific parameters to the controller 12, which calculates the required angle. Then the control adjustment component 11 works, and the windward shell 1 moves relative to the leeward shell 2 to adjust the front shell angle. Figure 6As shown, after the angle is changed, the wind speed can pass through the streamlined protective shell linearly, and the high-pressure area reappears, generating positive pressure, ensuring that no viscous flow occurs on the leeward upper convex surface 5 and the leeward lower convex surface 6.

[0065] Taking an industrial camera used to inspect the top of a vehicle as an example, the widest part of the protective device of the industrial camera system of the inspection vehicle is 165mm and the height is 155mm. It is used at a speed of 80km / h to 100km / h.

[0066] According to the above calculation formula, it is calculated that the outer diameter of the windward upper convex surface 3 is 430mm, the inner diameter is 260mm, and the arc height is 100mm. The windward lower convex surface 4 requires an outer diameter of 430mm, an inner diameter of 240mm, and an arc height of 140mm. The leeward upper convex surface 5 requires an outer diameter of 570mm, an inner diameter of 410mm, and an arc height of 120mm. The leeward lower convex surface 6 requires an outer diameter of 520mm, an inner diameter of 370mm, and an arc height of 80mm; the common plane at the front is 35mm higher than the common plane at the rear; the overlapping part of the windward upper convex surface 3 and the leeward upper convex surface 5 is 200mm, and the overlapping part of the windward lower convex surface 4 and the rear lower figure is 160mm.

[0067] The outer diameter widths of the windward upper convex surface 3 and the windward lower convex surface 4 are both 320 mm; the outer diameter widths of the leeward upper convex surface 5 and the leeward lower convex surface 6 are both 311.3 mm.

[0068] The fixed end 16 is made of aluminum alloy with a diameter of 43 mm and a thickness of 5 mm. An anti-skid pad is provided on the inner side of the fixed end 16, and the thickness of the anti-skid pad is 3.2 mm. The rotating shaft 14 is made of a torsion-resistant alloy material with a diameter of 34.4 mm. The driving part 17 uses a linear motor, and a speed of not less than 600 r / min is required to control the rotation of the rotating shaft 14.

[0069] The overall diameter of the driving member 17 is 172 mm, and the lengths of the rotating shafts 14 on both sides of the driving member 17 are adjusted according to needs.

[0070] The shell material is selected and the thickness is designed according to the driving speed of the vehicle. In this embodiment, the windward shell 1 is made of PVC hard plastic with a thickness of 5mm, and the leeward shell 2 is made of PVC transparent plastic with a thickness of 3mm. The windward shell 1 is designed with outward tension, and the leeward shell 2 is designed with inward tension. During assembly, since the windward shell 1 and the leeward shell 2 have tension when they are designed, they can be well combined together, and the stability of the shell will be greatly enhanced by the limiting effect of the adjustment component 11. The windward upper convex surface 3 curved shell and the windward lower convex surface 4 curved shell are connected by welding, and the leeward upper convex surface 5 curved shell and the leeward lower convex surface 6 curved shell are glued.

[0071] Through aerodynamic theory, the formula is introduced into the controller 12. The controller 12, the adjustment component 11, and the bracket 13 are assembled inside the protective shell (the camera faces the rear), and then the windward shell 1 and the leeward shell 2 are connected together, and finally the support 7 is installed, and the wind speed sensor 8 is installed.

[0072] The angle of the protective shell installation is determined according to the vehicle installation position. The basic parameters are determined according to the wind direction of the installation, the wind speed sensor 8 is connected to the controller 12, and the basic parameters are input into the controller 12.

[0073] Install the protective shell with the windward shell 1 facing the front of the car and the leeward shell 2 facing the parking space, centered, with no obstructions in front and behind. The installation is complete and the shell can be put into use.

[0074] Before the use of the protection device for the industrial camera system of the inspection vehicle, dust accumulated on the surface of the lens, causing problems with lens focusing and reduced picture taking accuracy. In addition, mosquitoes and other insects would hit the lens during driving, and their bodies would often block the camera, causing the lens to blur. When driving on the highway, it is impossible to clean the vehicle in time, which often results in missing images of diseased road surfaces. There are also safety issues when stopping on the highway for cleaning. Based on the above situation, the protection device for the industrial camera system of the inspection vehicle solves the problem of cleaning under dynamic conditions. It can not only achieve self-cleaning, but also does not affect the image acquisition of the camera, greatly improving the accuracy of the camera shooting. There is no need to stop on the highway for manual cleaning, which effectively ensures the safety of the staff.

[0075] The self-cleaning protective structure for the camera of the image acquisition device on the top of the inspection vehicle in this embodiment mainly plays a protective and self-cleaning function for the camera of the industrial camera system on the top of the inspection vehicle. During the driving process of the inspection vehicle, stable self-cleaning can always be achieved, and no water or detergent is required. Linear and stable self-cleaning can be achieved. The probability of contamination of the camera lens of the image acquisition device is reduced, and the shooting accuracy of the camera of the image acquisition device is improved. There is no need to stop the car for cleaning on the road, which effectively guarantees the personal safety of the staff.

[0076] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protection device for an industrial camera system of an inspection vehicle, characterized in that: include: The protective shell comprises a windward shell and a leeward shell, each of which is provided with an opening, wherein one end of the leeward shell opening extends into the windward shell opening; The end of the windward shell away from the opening forms a windward upper convex surface and a windward lower convex surface, and the end of the leeward shell away from the opening forms a leeward upper convex surface and a leeward lower convex surface, which serve as transmission surfaces of the industrial camera system; An adjustment component is installed on the protective shell and is connected to the windward shell and the leeward shell respectively, and the adjustment component can drive the windward shell to deform and change its orientation relative to the leeward shell; The controller is connected with an adjustment component and a wind speed sensor located outside the protective shell. The wind speed sensor obtains the wind speed of the wind field where the protective shell is located and sends it to the controller. The controller controls the adjustment component to make the leeward upper convex surface and the leeward lower convex surface of the protective shell be in the high-pressure area of ​​the wind field.

2. The protection device for the industrial camera system of the inspection vehicle according to claim 1, characterized in that: The intersection line of the windward upper convex surface and the windward lower convex surface is parallel to the intersection line of the leeward upper convex surface and the leeward lower convex surface. The surface where the two intersection lines are located is used as the reference surface. The windward upper convex surface and the leeward upper convex surface are located above the reference surface, and the windward lower convex surface and the leeward lower convex surface are located below the reference surface.

3. The protection device for the industrial camera system of the inspection vehicle according to claim 2, characterized in that: The windward upper convex surface and the windward lower convex surface are both curved surfaces, and the adjustment component drives the windward shell to deform to adjust the curvature of the windward upper convex surface and the windward lower convex surface.

4. The protection device for the industrial camera system of the inspection vehicle according to claim 1, characterized in that: Seals are provided between the leeward shell opening and the windward shell opening, between the windward upper convex surface and the leeward upper convex surface, and between the windward lower convex surface and the leeward lower convex surface, respectively, so that a protective cavity isolated from the outside is formed inside the protective shell.

5. The protection device for the industrial camera system of the inspection vehicle according to claim 4, characterized in that: The seal arranged between the windward upper convex surface and the leeward upper convex surface is an upper seal, and the seal arranged between the windward lower convex surface and the leeward lower convex surface is a lower seal. Both the upper seal and the lower seal are elastic sealing structures.

6. The protection device for the industrial camera system of the inspection vehicle according to claim 1, characterized in that: The protective shell forms a protective cavity, and a bracket for carrying the industrial camera system is arranged in the protective cavity.

7. The protection device for the industrial camera system of the inspection vehicle according to claim 6, characterized in that: The leeward shell is connected with a support, and the wind speed sensor is installed on the support.

8. The protection device for the industrial camera system of the inspection vehicle according to claim 1, characterized in that: The adjustment component includes a driving member and a rotating shaft, one end of the rotating shaft is connected to the driving member, and the other end passes through the side of the leeward shell body and is connected to the windward shell body as a fixed end. The rotating shaft passes through the leeward shell body and is equipped with a rotating seat. The driving member drives the rotating shaft to rotate relative to the leeward shell body to drive the windward shell body to deform and move.

9. A working method of a protection device for an industrial camera system of an inspection vehicle, using the protection device for an industrial camera system of an inspection vehicle as claimed in any one of claims 1 to 8, characterized in that: include: Install the protective shell on the inspection vehicle so that the windward shell is located at the windward end of the inspection vehicle; When the inspection vehicle is driving, the wind speed sensor measures the wind speed in the wind field where the protective shell is located. The controller calculates the required angle of the windward shell when the leeward upper convex surface and the leeward lower convex surface are in the high-pressure area of ​​the wind field under this wind speed, and controls the adjustment component to drive the windward shell to move; The windward shell is adjusted to a state where the airflow on the leeward upper convex surface and the leeward lower convex surface is in the high pressure area of ​​the wind field, the wind speed of the wind field is measured in real time, and the windward shell is adjusted; The industrial camera system can obtain images of the road surface on which the inspection vehicle is traveling through the upper leeward convex surface and the lower leeward convex surface.

10. The working method of the protection device for the industrial camera system of the inspection vehicle according to claim 9, characterized in that: When the adjustment component drives the windward shell to move, the windward shell is deformed and the orientation of the windward shell relative to the leeward shell is changed, thereby guiding the airflow in the wind field.

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