Tobacco curing barn video monitoring equipment and mounting structure thereof

Abstract

The invention discloses a tobacco curing barn video monitoring device and an installation structure thereof, the tobacco curing barn video monitoring device comprises a protection box and a detection camera installed in the protection box, and a lens frame can be driven by a lens frame driving device to convey dustproof lenses to a lens cleaning mechanism for cleaning; and the cleaned dustproof lens is covered on the lens. With the adoption of the structure, the dustproof lens is additionally arranged on the lens of the detection camera, so that the lens of the detection camera can be protected from dust, and the dustproof lens can be cleaned by the cleaning mechanism when a large amount of dust is attached, so that the detection camera can continuously keep the shooting definition; meanwhile, when video monitoring is not needed, the window baffle can cover the shooting window, so that the cleaning frequency of the dustproof lens is reduced; and moreover, the position and the posture of the tobacco curing barn video monitoring equipment can be flexibly adjusted, so that the problem of existence of a monitoring blind area is effectively avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of video surveillance processing equipment, and particularly relates to a video surveillance device for a tobacco leaf curing barn and its installation structure. Background Art

[0002] In order to ensure the quality of tobacco leaf curing, it is necessary to observe the curing situation of tobacco leaves in the tobacco leaf curing barn in real time. However, considering the problems such as high temperature, high humidity, a large amount of dust, and pungent odor in the tobacco leaf curing barn, it is impossible for the staff to stay in the tobacco leaf curing barn for a long time to observe the curing situation of tobacco leaves in real time. Therefore, a series of patents such as those with publication numbers CN205864608U, CN204989003U, and CN105263006A have added video surveillance devices in the tobacco leaf curing barn.

[0003] However, the video surveillance devices in the above solutions will still have a large amount of dust adhering to the camera lens due to the problems of high humidity and a large amount of dust in the tobacco leaf curing barn, resulting in the camera lens being unable to capture a clear image. Not only must the camera be cleaned before each curing, but even so, often when it is most necessary to observe the tobacco leaf situation in the later stage of curing, the camera lens has been unable to capture a clear image.

[0004] Moreover, the video surveillance in the existing tobacco leaf curing barns adopts a relatively traditional fixed installation structure, and can only change the shooting angle by adjusting the camera itself. However, due to the randomness of the hanging position of the tobacco leaves, there are often monitoring blind spots.

[0005] Solving the above problems has become an urgent task. Summary of the Invention

[0006] In view of this, the present invention provides a video surveillance device for a tobacco leaf curing barn and its installation structure.

[0007] The technical solution is as follows:

[0008] The first aspect of the present application relates to a video surveillance device for a tobacco leaf curing barn, including a protection box and a detection camera installed inside the protection box. The protection box is provided with a shooting window and a window baffle that can be opened or closed to cover the shooting window under the drive of a baffle drive device. The shooting direction of the lens of the detection camera faces the shooting window. A lens conveying mechanism and a lens cleaning mechanism are also provided in the protection box. The lens conveying mechanism includes a mirror frame drive device installed inside the protection box, a mirror frame that can rotate under the drive of the mirror frame drive device, and at least two dust-proof lenses installed on the mirror frame along the circumferential direction. The lens and the lens cleaning mechanism are arranged around the mirror frame along the circumferential direction. The mirror frame can first convey the dust-proof lens to the lens cleaning mechanism for cleaning under the drive of the mirror frame drive device, and then cover the cleaned dust-proof lens on the lens.

[0009] With the above tobacco leaf curing barn video monitoring device, by adding a dust-proof lens to the lens of the detection camera, it can protect the lens of the detection camera from dust, ensuring the clarity of shooting. At the same time, multiple dust-proof lenses are provided, and when a large amount of dust adheres to them, they can be conveyed to the cleaning mechanism to be cleaned, so that the detection camera can continuously maintain the shooting clarity, realizing high-definition continuous monitoring of the entire tobacco leaf curing process, and then ensuring the curing quality of tobacco leaves. Moreover, when video monitoring is not required, the window baffle can cover the shooting window, effectively reducing the dust entering the protection box and reducing the cleaning frequency of the dust-proof lens at the same time.

[0010] In some embodiments, the lens frame driving device is a motor;

[0011] The lens cleaning mechanism includes a cleaning tank fixedly installed on the protection box through a cleaning tank mounting frame and a guiding cam fixedly installed on the protection box through a cam mounting frame. The notch of the cleaning tank faces the motor. The guiding cam is located between the motor and the notch of the cleaning tank, and the outer edge of the guiding cam close to the cleaning tank is a cam surface, and the distance between the cam surface and the notch of the cleaning tank gradually increases from the middle position to both ends;

[0012] The lens frame includes a central mounting frame synchronously rotating and sleeved on the motor shaft of the motor. The central mounting frame has at least two mounting cantilevers evenly distributed in the circumferential direction. Each mounting cantilever extends radially outward, and a lens mounting sliding sleeve capable of sliding along the length direction of the mounting cantilever is sleeved at its outer end. The outer ends of each lens mounting sliding sleeve are fixedly connected with the dust-proof lens. An elastic element for making the lens mounting sliding sleeve have an inward sliding tendency is connected between each mounting cantilever and the corresponding lens mounting sliding sleeve. A cam mating guide rod capable of mating with the cam surface is fixedly connected to the side of each lens mounting sliding sleeve close to the guiding cam;

[0013] When any lens mounting sliding sleeve rotates to the position of the guiding cam, its cam mating guide rod is supported on the cam surface to drive the lens mounting sliding sleeve to slide along the corresponding mounting cantilever.

[0014] In some embodiments, two relatively arranged sliding mating guide rods are fixedly connected to both sides in the width direction of the mounting cantilever, and sliding mating chutes adapted to the corresponding sliding mating guide rods are provided on both sides in the width direction of the lens mounting sliding sleeve. Each sliding mating guide rod is slidably fitted into the corresponding sliding mating chute.

[0015] In some embodiments, the elastic elements are all tension springs. On one side of the lens mounting sliding sleeve away from the guiding cam, a first tension spring mounting rod is fixedly connected respectively. At the inner ends of the mounting cantilevers, a second tension spring mounting rod is fixedly connected respectively. Both ends of each tension spring are respectively hooked on the corresponding first tension spring mounting rod and second tension spring mounting rod.

[0016] In some embodiments, a dust-proof sealing ring adapted to the dust-proof lens is sleeved on the outer end of the lens. Any dust-proof lens can cover the dust-proof sealing ring. The circumferential outer edge of the outer end of the dust-proof sealing ring is provided with an anti-sticking chamfer.

[0017] In some embodiments, two high-pressure cleaning nozzles are oppositely arranged on the two side walls of the cleaning tank. The water outlets of the two high-pressure cleaning nozzles are both in a slit-like structure extending along the length direction of the cleaning tank. The cleaning tank is communicated with the water inlet of the waste water pump through a pipeline. The water outlet of the waste water pump is communicated with the waste water container through a pipeline. The high-pressure cleaning nozzles are both communicated with the water outlet of the clean water pump through a pipeline. The water inlet of the clean water pump is communicated with the outlet of the filter through a pipeline. The inlet of the filter is communicated with the clean water container through a pipeline;

[0018] The lens cleaning mechanism further includes an air-drying assembly. The air-drying assembly, the cleaning tank and the lens are circumferentially distributed around the lens frame. The air-drying assembly includes two high-pressure air nozzles oppositely arranged on both sides of adjacent dust-proof lenses and a blower for conveying high-pressure gas to the two high-pressure air nozzles through a pipeline. The air outlets of the two high-pressure air nozzles are both in a slit-like structure;

[0019] The lens frame can drive the dust-proof lens to be first conveyed into the lens cleaning mechanism by the lens frame driving device, and the water outlets spray high-pressure water to both sides of the dust-proof lens respectively. Then, the dust-proof lens is conveyed beside the two high-pressure air nozzles, and the two air outlets blow high-pressure gas to both sides of the dust-proof lens respectively. Finally, the dust-proof lens is covered on the lens.

[0020] In some embodiments, the protection box includes a rectangular backboard, a front protection board fixedly installed parallel to the outside of the backboard through a heightening bracket, and four side protection boards respectively vertically arranged around the backboard. The front protection board and three of the side protection boards enclose the shooting window. The baffle driving device is installed on the backboard. The window baffle is installed on the backboard through a baffle bracket. The backboard, the front protection board, the four side protection boards and the window baffle in the closed state enclose a cuboid structure.

[0021] In some embodiments, a rotatable turntable is installed at the central position on the inner side of the back plate, and a linear damper is arranged beside the turntable. The inner sides of the side guard plates are fixedly connected with buffer guide rods extending towards the center point of the turntable through strengthening structures. The inner side of the back plate is fixedly installed with sliding guide sleeves respectively adapted to the corresponding buffer guide rods. Each buffer guide rod can slidably pass through the corresponding sliding guide sleeve. The inner ends of the buffer guide rods are respectively hinged to one end of the corresponding intermediate connecting rod, and the other ends of the intermediate connecting rods are all hinged to the turntable. The outer edge of the turntable has a damper matching cantilever extending radially outwards. The extending direction of the piston rod of the linear damper is perpendicular to the extending direction of the damper matching cantilever, and the outer end of the piston rod of the linear damper abuts against the damper matching cantilever to keep a gap between the inner sides of the four side guard plates and the outer edge around the back plate.

[0022] In some embodiments, at least two shock pads are installed on the outer edges around the back plate.

[0023] The second aspect of the present application relates to an installation structure of a video monitoring device for a tobacco leaf curing barn, and further includes a pose adjustment mechanism. The pose adjustment mechanism includes a mounting plate, two pose adjustment guide rods fixedly installed on the mounting plate in parallel, and a carriage slidably cooperating with the two pose adjustment guide rods at the same time. The inner side of the back plate is fixedly installed with a protection box mounting frame, and the protection box mounting frame has two parallel mounting shafts. One of the mounting shafts is hinged to the carriage, and both ends of the other mounting shaft are hinged to one end of the corresponding support connecting rod. The other ends of the two support connecting rods are both hinged to the corresponding connecting rod hinge seats fixedly installed on the mounting plate. The mounting shaft is perpendicular to the pose adjustment guide rods. A pose adjustment driving device for driving the carriage to slide along the two pose adjustment guide rods is installed on the mounting plate. The inner side of the mounting plate is slidably matched with two parallel device installation guide rods through a plurality of sliders. The device installation guide rods are parallel to the mounting shafts, and both ends of the device installation guide rods are fixedly installed on the wall surface of the curing barn through guide rod mounting seats.

[0024] Adopting the above installation structure of the video monitoring device for the tobacco leaf curing barn not only has all the advantages of the video monitoring device for the tobacco leaf curing barn, but also can flexibly and precisely adjust the pose of the video monitoring device for the tobacco leaf curing barn online through the pose adjustment mechanism. At the same time, after the tobacco hanging is completed, the position of the mounting plate on the device installation guide rods can be manually adjusted offline according to the tobacco hanging situation, so as to realize the adaptive adjustment of the position and pose of the video monitoring device for the tobacco leaf curing barn, and further effectively avoid the problem of monitoring blind areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Schematic diagram of the cooperation relationship between the video monitoring device for the tobacco leaf curing barn and the pose adjustment mechanism from one perspective;

[0026] Figure 2 Schematic diagram of the cooperation relationship between the video monitoring device for tobacco leaf curing barn and the pose adjustment mechanism from another perspective;

[0027] Figure 3 Schematic diagram of the cooperation relationship between the video monitoring device for tobacco leaf curing barn and the pose adjustment mechanism when the window baffle is in the closed state;

[0028] Figure 4 Schematic diagram of the cooperation relationship between the video monitoring device for tobacco leaf curing barn and the pose adjustment mechanism when the video monitoring device is in one of its extreme positions;

[0029] Figure 5 Schematic diagram of installing the video monitoring device for tobacco leaf curing barn on the wall of the curing barn;

[0030] Figure 6 Schematic diagram of the structure of the video monitoring device for tobacco leaf curing barn;

[0031] Figure 7 Schematic diagram of installing the detection camera, lens conveying mechanism and lens cleaning mechanism on the back plate;

[0032] Figure 8 Schematic diagram of the principle of the lens cleaning mechanism;

[0033] Figure 9 Schematic diagram of the structure of the lens conveying mechanism;

[0034] Figure 10 Schematic diagram of the structure of the detection camera. Detailed implementation manners

[0035] The present invention will be further described below in conjunction with embodiments and the accompanying drawings.

[0036] Embodiment 1:

[0037] As Figures 1 - 10 shown, a video monitoring device for tobacco leaf curing barn mainly includes a protection box 1, and a detection camera 2, a lens conveying mechanism 3 and a lens cleaning mechanism 4 which are all installed inside the protection box 1.

[0038] Please refer to Figure 6 and Figure 7 , the protection box 1 has a cuboid structure, which is mainly composed of a back plate 103, a front protection plate 106 and four side protection plates 107 to form a cuboid structure. Among them, the front protection plate 106 is arranged parallel to the front side of the back plate 103, and the four side protection plates 107 are arranged in pairs opposite to each other on the outer periphery between the front protection plate 106 and the back plate 103, and moreover, the four side protection plates 107 are all perpendicular to the back plate 103 and the front protection plate 106.

[0039] Specifically, the front guard plate 106 is fixedly installed on the back plate 103 through the raised bracket 105. Moreover, the width of the front guard plate 106 is substantially the same as that of the back plate 103. However, the length of the front guard plate 106 is significantly less than that of the back plate 103. Therefore, the front guard plate 106 and three of the side guard plates 107 enclose a shooting window 101, which is used to enable the detection camera 2 to clearly capture images of the outside world. At the same time, a window baffle 108 that can be opened or closed on the shooting window 101 is installed on the back plate 103 through the baffle bracket 109. Therefore, when shooting is not required, the window baffle 108 covers the shooting window 101, thereby effectively reducing the dust adhesion on the camera lens and reducing the cleaning frequency.

[0040] During the process of loading and unloading cigarettes, the cigarette rack is very likely to impact the protection box 1. In this embodiment, the four side guard plates 107 are connected to the back plate 103 through a linkage buffer mechanism. The linkage buffer mechanism is used to make the four side guard plates 107 have a tendency to move away from the back plate 103 synchronously, so as to keep a gap between the four side guard plates 107 and the back plate 103. Therefore, when any one of the side guard plates 107 is subjected to an external impact, the four side guard plates 107 can move closer to the back plate 103 synchronously under the support of the linkage buffer mechanism. Through such a design, not only can the impact force be absorbed by the linkage buffer mechanism, but also because any one of the four side guard plates 107 is impacted, the four side guard plates 107 can move closer to the back plate 103 synchronously under the support of the linkage buffer mechanism, so that the impact force can be absorbed by the movement of the other several side guard plates 107. The anti-impact performance is good, and thus an excellent protection effect on the equipment inside the protection box can be achieved.

[0041] Specifically, the linkage buffer mechanism includes a turntable 110 and a linear damper 112 both mounted on the rear side of the back plate 103. The turntable 110 is rotatably arranged at the center of the back plate 103, and a damper matching cantilever 111 extending radially outward is arranged on its outer edge. The extension direction of the piston rod of the linear damper 112 is perpendicular to the extension direction of the damper matching cantilever 111, and the outer end of the piston rod of the linear damper 112 abuts against the damper matching cantilever 111. The inner side of the back plate 103 is fixedly connected with a buffer guide rod 113 extending toward the center point of the turntable 110 through a reinforcing structure 118, and the rear side of the back plate 103 is fixedly installed with a sliding guide sleeve 114 respectively matched with the corresponding buffer guide rod 113, and each buffer guide rod 113 can be slidably inserted into the corresponding sliding guide sleeve 114, and the inner end of each buffer guide rod 113 is respectively hinged to one end of the corresponding intermediate connecting rod 115, and the other end of each intermediate connecting rod 115 is hinged to the turntable 110. Therefore, through the linkage buffer mechanism, the inner side of the four side guard plates 107 and the outer edge around the back plate 103 can be driven to maintain a gap. If any of the four side guard plates 107 is impacted, the four side guard plates 107 are linked to rotate the turntable 110, and the impact force can be absorbed not only through the linear damper 112, but also through the movement of the other side guard plates 107, and the impact resistance is good, thereby providing a better protection effect for the equipment inside the protection box 1.

[0042] Among them, the reinforcement structure 118 includes a cross-shaped reinforcement rib base 118a, which is fixedly connected to the inner surface of the corresponding side guard plate 107, and the outer end of each buffer guide rod 113 is fixedly connected to the center position of the corresponding reinforcement rib base 118a, and four reinforcement oblique ribs 118b are arranged between the outer end of the buffer guide rod 113 and the corresponding reinforcement rib base 118a. This not only ensures the reliability of the connection between the buffer guide rod 113 and the side guard plate 107, and the two are not easy to rotate relative to each other, but also strengthens the structure of the side guard plate 107, reducing the risk of deformation of the side guard plate 107 when impacted.

[0043] For further information, see Figure 6 The outer surfaces of the front guard plate 106, the window baffle 108 and the four side guard plates 107 are all detachably covered with a buffer pad 117, so that when the side guard plate 107 is impacted, the first level of buffering is achieved through the buffer pad 117, and then the second level of buffering is achieved through the linkage buffer mechanism, thereby greatly improving the impact resistance.

[0044] Among them, the buffer backing plate 117 is mainly composed of a mounting plate 117b and a buffer layer 117a provided on the mounting plate 117b. Among them, the mounting plate 117b can be connected to the front guard plate 106 or the window baffle 108 or the side guard plate 107 through a special connecting piece 119, or can be directly connected to the front guard plate 106 or the window baffle 108 or the side guard plate 107 by bolts, as long as the connection reliability between the two is ensured. The buffer layer 117a can be common buffer materials such as air bags and felts, as long as it can withstand the baking environment. The above structure not only facilitates the installation of the buffer backing plate 117, but also has good shock absorption ability, low cost, easy replacement and assembly, and reduces the maintenance difficulty.

[0045] Further, please refer to Figure 7 , at least two shock pads 116 are installed on the outer edges around the back plate 103. Through the shock pads 116, not only the maximum displacement of the side guard plate 107 can be limited, but also it can be used as the next-level energy absorption structure after the side guard plate 107 absorbs energy during displacement and the linear damper 112 absorbs energy, reducing the impact on the side guard plate 107 and the back plate 103, thereby further improving the energy absorption performance of the protection box and playing a better protective effect on the equipment inside the protection box.

[0046] Further, please refer to Figure 7 , at least two baffle limit support bosses 105a adapted to the window baffle 108 are formed on the heightening bracket 105 of the shooting window 101 extending towards the shooting window 101. When the window baffle 108 is in the closed state, the window baffle 108 is supported on each baffle limit support boss 105a, defining the limit position of the window baffle 108 in the closed state, thereby ensuring the matching accuracy.

[0047] Please refer to Figures 1 - 10 , the shooting direction of the lens 201 of the detection camera 2 is directly facing the shooting window 101. Specifically, the detection camera 2 is fixedly installed on the back plate 103. The lens conveying mechanism 3 includes a lens frame driving device 301 fixedly installed on the back plate 103, a lens frame that can rotate driven by the lens frame driving device 301, and at least two dust-proof lenses 318 installed circumferentially on the lens frame. The lens 201 and the lens cleaning mechanism 4 are arranged circumferentially around the lens frame. The lens frame can first convey the dust-proof lens 318 to the lens cleaning mechanism 4 for cleaning under the drive of the lens frame driving device 301, and then cover the cleaned dust-proof lens 318 on the lens 201.

[0048] Therefore, by adding a dust-proof lens 318 to the lens 201 of the detection camera 2, the lens 201 of the detection camera 2 can be protected from dust, thereby ensuring the clarity of the shooting. At the same time, the dust-proof lens 318 is provided with multiple pieces, and when a large amount of dust is attached, it can be transported to the cleaning mechanism 4 for cleaning, so that the detection camera 2 can continuously maintain the shooting clarity and realize high-definition continuous monitoring of the entire tobacco baking process, thereby ensuring the baking quality of the tobacco leaves; and when video monitoring is not required, the window baffle 108 can cover the shooting window 101, thereby effectively reducing the dust entering the protection box 1 and reducing the cleaning frequency of the dust-proof lens 318.

[0049] In this embodiment, the frame driving device 301 preferably adopts a servo motor, which can ensure the control accuracy of the frame. At the same time, the lens cleaning mechanism 4 includes a cleaning tank 402 fixedly mounted on the back plate 103 through a cleaning tank mounting frame 401 and a guide cam 404 fixedly mounted on the back plate 103 through a cam mounting frame 403. The notch of the cleaning tank 402 faces the servo motor, and the guide cam 404 is located between the servo motor and the notch of the cleaning tank 402. The outer edge of the guide cam 404 near the cleaning tank 402 is a cam profile 404a, and the distance between the cam profile 404a and the notch of the cleaning tank 402 gradually increases from the middle position to both ends.

[0050] Correspondingly, the frame includes a central mounting frame 302 which is synchronously rotated and mounted on the motor shaft of the motor. The central mounting frame 302 has at least two mounting cantilevers 302a which are evenly distributed in the circumferential direction. Each mounting cantilever 302a extends radially outward and is mounted at its outer end with a lens mounting sleeve 303 which can slide along the length direction of the mounting cantilever 302a. The outer end of each lens mounting sleeve 303 is fixedly connected with a dustproof lens 318. Each mounting cantilever 302a is respectively connected to the corresponding lens mounting sleeve 303 with an elastic element 304 which is used to make the lens mounting sleeve 303 have a tendency to slide inward. The side of the lens mounting sleeve 303 close to the guide cam 404 is fixedly connected with a cam mating guide rod 303a which can cooperate with the cam profile 404a.

[0051] Therefore, when any lens mounting sleeve 303 rotates to the position of the guide cam 404, its cam matching guide rod 303a is supported on the cam profile 404a, and through the overall rotation of the frame, the lens mounting sleeve 303 slides toward the mounting cantilever 302a, so that the dustproof lens 318 thereon is inserted into the notch of the cleaning tank 402, and then the dustproof lens 318 is cleaned. When the frame rotates further, the cam matching guide rod 303a of the lens mounting sleeve 303 passes the high point of the cam profile 404a, and the dustproof lens 318 on the lens mounting sleeve 303 withdraws from the notch of the cleaning tank 402.

[0052] Please refer to Figure 9 where two oppositely arranged sliding guide rods 302b are fixedly connected to both sides in the width direction of the mounting cantilever 302a. Sliding chute 303b adapted to the corresponding sliding guide rod 302b is provided on both sides in the width direction of the lens mounting sliding sleeve 303. Each sliding guide rod 302b is slidably fitted into the corresponding sliding chute 303b. Through the above structure, the stability and reliability of the sliding fit between the lens mounting sliding sleeve 303 and the mounting cantilever 302a are improved.

[0053] Please refer to Figure 9 where the elastic elements 304 are preferably tension springs. A first tension spring mounting rod 303c is fixedly connected to the side of the lens mounting sliding sleeve 303 away from the guiding cam 404, and a second tension spring mounting rod 302c is fixedly connected to the inner end of the mounting cantilever 302a. Both ends of each tension spring are respectively hooked on the corresponding first tension spring mounting rod 303c and second tension spring mounting rod 302c. The above structure is easy to process and has good cooperation stability.

[0054] Please refer to Figure 10 where a dust-proof sealing ring 202 adapted to the dust-proof lens 318 is sleeved on the outer end of the lens 201. Any dust-proof lens 318 can cover the dust-proof sealing ring 202, that is, when the dust-proof lens 318 rotates to the position of the lens 201, the dust-proof sealing ring 202 is usually made of rubber or silica gel. Through its elastic deformation, the dust-proof sealing ring 202 can seal the gap between the dust-proof lens 318 and the lens 201 to prevent dust from entering and polluting the lens 201.

[0055] Furthermore, an anti-sticking chamfer 202a is provided on the outer circumferential edge of the outer end of the dust-proof sealing ring 202. By setting the anti-sticking chamfer 202a, the process of covering the dust-proof lens 318 on the dust-proof sealing ring 202 is smoother, avoiding sticking problems.

[0056] Please refer to Figure 7 and Figure 8 where two high-pressure cleaning nozzles 405 are oppositely arranged on the two side walls of the cleaning tank 402. The water outlets 405a of the two high-pressure cleaning nozzles 405 are in a slit-like structure extending along the length direction of the cleaning tank 402, so as to realize linear or surface-shaped high-pressure flushing of the dust-proof lens 318, ensuring the cleaning ability and cleaning efficiency of the dust-proof lens 318.

[0057] Among them, the cleaning tank 402 is connected to the water inlet of the wastewater pump 406 through a pipeline, and the water outlet of the wastewater pump 406 is connected to the wastewater container 407 through a pipeline, that is, the sewage in the cleaning tank 402 can be discharged into the wastewater container 407 through the wastewater pump 406. Similarly, the high-pressure cleaning nozzles 405 are all connected to the water outlet of the clean water pump 408 through pipelines. The water inlet of the clean water pump 408 is connected to the outlet of the filter 411 through a pipeline, and the inlet of the filter 411 is connected to the clean water container 409 through a pipeline. The clean water pump 408 conveys the clean water in the clean water container 409 to the high-pressure cleaning nozzles 405.

[0058] Furthermore, the lens cleaning mechanism 4 of this embodiment further includes a drying component. Correspondingly, three dust-proof lenses 318 are adopted, and the three dust-proof lenses 318 are evenly distributed along the circumference on the lens frame, so that there are three workstations around the lens frame. The first workstation is the workstation where the dust-proof lens 318 covers the lens 201, the second workstation is the workstation where the dust-proof lens 318 is cleaned in the cleaning tank 402, and the third workstation is the workstation where the dust-proof lens 318 is dried by the drying component.

[0059] Specifically, the drying component, the cleaning tank 402 and the lens 201 are circumferentially distributed around the lens frame. The drying component includes two high-pressure air nozzles 410 oppositely arranged on both sides of the adjacent dust-proof lenses 318 in the thickness direction and a blower for conveying high-pressure gas to the two high-pressure air nozzles 410 through pipelines. The two high-pressure air nozzles 410 are installed on the protection box 1 through the nozzle bracket 412. At the same time, the air outlets 410a of the two high-pressure air nozzles 410 are both in a slit-like structure, so as to be able to efficiently dry the two surfaces of the dust-proof lens 318.

[0060] Therefore, the lens frame can drive the dust-proof lens 318 to be first transported into the lens cleaning mechanism 4 under the drive of the lens frame driving device 301, and the water outlets 405a spray high-pressure water to both sides of the dust-proof lens 318 respectively, and then transport the dust-proof lens 318 to the vicinity of the two high-pressure air nozzles 410, and the two air outlets 410a blow high-pressure gas to both sides of the dust-proof lens 318 respectively. Finally, the dry and clean dust-proof lens 318 is covered on the lens 201, ensuring the shooting effect of the detection camera 2.

[0061] Embodiment 2:

[0062] Please refer to Figures 1 - 4, an installation structure of a video monitoring device for a tobacco leaf curing barn, including the video monitoring device for a tobacco leaf curing barn in Embodiment 1 and a pose adjustment mechanism. The pose adjustment mechanism includes a mounting plate 501, two attitude adjustment guide rods 502 fixedly mounted on the mounting plate 501 in parallel, and a carriage 503 slidably engaged with both attitude adjustment guide rods 502 at the same time. An inner side of the back plate 103 is fixedly provided with a protection box mounting frame 104. The protection box mounting frame 104 has two parallel mounting shafts 104a. One of the mounting shafts 104a is hinged to the carriage 503, and both ends of the other mounting shaft 104a are hinged to one end of a corresponding support link 504. The other ends of the two support links 504 are both hinged to a corresponding link hinge seat 505 fixedly mounted on the mounting plate 501. The mounting shaft 104a is perpendicular to the attitude adjustment guide rod 502. An attitude adjustment driving device 506 for driving the carriage 503 to slide along the two attitude adjustment guide rods 502 is mounted on the mounting plate 501. The inner side of the mounting plate 501 is slidably engaged with two parallel equipment mounting guide rods 508 through a plurality of sliders 507. The equipment mounting guide rods 508 are parallel to the mounting shaft 104a, and both ends of the equipment mounting guide rods 508 are fixedly mounted on the wall surface of the curing barn 6 through guide rod mounting seats 509.

[0063] Therefore, the attitude of the video monitoring device for a tobacco leaf curing barn can be precisely adjusted online and flexibly through the pose adjustment mechanism. At the same time, after the tobacco hanging is completed, the position of the mounting plate on the equipment mounting guide rods 508 can be manually adjusted offline according to the tobacco hanging situation, so as to realize the adaptive adjustment of the position and attitude of the video monitoring device for a tobacco leaf curing barn, and further effectively avoid the problem of monitoring blind spots.

[0064] Specifically, after the tobacco hanging is completed, first manually adjust the position of the video monitoring device for a tobacco leaf curing barn on the equipment mounting guide rods 508 to avoid the monitoring blind spot as much as possible, and then close the curing barn and start baking. The attitude of the video monitoring device for a tobacco leaf curing barn can be adjusted online through the attitude adjustment driving device 506, so as to capture the complete video situation in the curing barn.

[0065] Further, please refer to Figure 2 , two limit position limit blocks 509 are further provided on the mounting plate 501, which can reliably limit the two limit positions of the carriage 503, so as to ensure the stability and reliability of the operation of the video monitoring device for a tobacco leaf curing barn.

[0066] Further, a laser distance sensor 510 is further mounted on the carriage 503, and a marker 511 cooperating with the laser distance sensor 510 is arranged on the mounting plate 501. Through distance measurement, the attitude of the video monitoring device for a tobacco leaf curing barn can be accurately monitored.

[0067] Finally, it should be noted that the above description is only the preferred embodiment of the present invention. Under the inspiration of the present invention, those of ordinary skill in the art can make various similar representations without violating the purpose and claims of the present invention. Such transformations all fall within the protection scope of the present invention.

Claims

1. A video monitoring device for a tobacco leaf curing barn, comprising a protection box and a detection camera installed inside the protection box. A shooting window is provided on the protection box, and a window baffle that can be opened or closed to cover the shooting window driven by a baffle driving device. The shooting direction of the lens of the detection camera is directly opposite to the shooting window, and it is characterized in that: A lens conveying mechanism and a lens cleaning mechanism are further provided in the protection box. The lens conveying mechanism includes a lens frame driving device installed inside the protection box, a lens frame that can rotate driven by the lens frame driving device, and at least two dust-proof lenses circumferentially distributed and installed on the lens frame. The lens and the lens cleaning mechanism are circumferentially distributed around the lens frame. The lens frame can, driven by the lens frame driving device, first convey the dust-proof lenses to the lens cleaning mechanism for cleaning, and then cover the cleaned dust-proof lenses on the lens.

2. The video monitoring device for tobacco leaf curing barn according to claim 1, wherein: The lens frame driving device is a motor. The lens cleaning mechanism includes a cleaning tank fixedly installed on the protection box through a cleaning tank mounting bracket and a guiding cam fixedly installed on the protection box through a cam mounting bracket. The notch of the cleaning tank faces the motor. The guiding cam is located between the motor and the notch of the cleaning tank, and the outer edge of the guiding cam close to the cleaning tank is a cam profile, and the distance between the cam profile and the notch of the cleaning tank gradually increases from the middle position to both ends. The lens frame includes a central mounting bracket synchronously sleeved on the motor shaft of the motor. The central mounting bracket has at least two mounting cantilevers evenly distributed in the circumferential direction. Each mounting cantilever extends radially outward, and a lens mounting sliding sleeve capable of sliding along the length direction of the mounting cantilever is sleeved at its outer end. The outer ends of each lens mounting sliding sleeve are fixedly connected with the dust-proof lenses. Elastic elements for making the lens mounting sliding sleeves have an inward sliding tendency are connected between each mounting cantilever and the corresponding lens mounting sliding sleeve. Cam matching guide rods capable of cooperating with the cam profile are fixedly connected to the sides of each lens mounting sliding sleeve close to the guiding cam. When any lens mounting sliding sleeve rotates to the position of the guiding cam, its cam matching guide rod supports on the cam profile to drive the lens mounting sliding sleeve to slide along the corresponding mounting cantilever.

3. The video monitoring device for tobacco leaf curing barn according to claim 2, wherein: Two relatively arranged sliding matching guide rods are fixedly connected to both sides in the width direction of the mounting cantilever. Sliding matching chutes adapted to the corresponding sliding matching guide rods are provided on both sides in the width direction of the lens mounting sliding sleeve. Each sliding matching guide rod is respectively slidably fitted into the corresponding sliding matching chute.

4. The video monitoring device for tobacco curing barn according to claim 2, wherein: The elastic elements are all tension springs. A tension spring first mounting rod is fixedly connected to the side of each lens mounting sliding sleeve far from the guiding cam. A tension spring second mounting rod is fixedly connected to the inner end of each mounting cantilever. The two ends of each tension spring are respectively hung on the corresponding tension spring first mounting rod and tension spring second mounting rod.

5. The video monitoring device for tobacco leaf curing barn according to claim 1, characterized in that: A dust-proof sealing ring adapted to the dust-proof lens is sleeved on the outer end of the lens. Any dust-proof lens can cover on the dust-proof sealing ring, and anti-sticking chamfers are provided on the outer circumferential edge of the outer end of the dust-proof sealing ring.

6. The video monitoring device for tobacco leaf baking house according to claim 1, characterized in that: Two high-pressure cleaning nozzles are arranged oppositely on the groove walls on both sides of the cleaning tank, and the water outlets of the two high-pressure cleaning nozzles are both slit-shaped structures extending along the length direction of the cleaning tank. The cleaning tank is connected to the water inlet of the wastewater pump through a pipeline, and the water outlet of the wastewater pump is connected to the wastewater container through a pipeline. The high-pressure cleaning nozzles are connected to the water outlet of the clean water pump through a pipeline, and the water inlet of the clean water pump is connected to the outlet of the filter through a pipeline, and the inlet of the filter is connected to the clean water container through a pipeline; The lens cleaning mechanism also includes an air drying assembly, which is circumferentially distributed around the frame together with the cleaning tank and the lens, and includes two high-pressure air nozzles arranged oppositely on both sides of adjacent dust-proof lenses in the thickness direction, and a blower for delivering high-pressure gas to the two high-pressure air nozzles through a pipeline, the air outlets of the two high-pressure air nozzles are both slit-shaped structures, and the two high-pressure air nozzles are fixedly mounted on the protection box through an air nozzle bracket; The frame can first convey the dust-proof lens to the lens cleaning mechanism under the drive of the frame driving device, and the water outlet will spray high-pressure water to both sides of the dust-proof lens respectively, and then convey the dust-proof lens to the two high-pressure air nozzles, and the two air outlets will blow high-pressure gas to both sides of the dust-proof lens respectively, and finally the dust-proof lens will be covered on the lens.

7. The video monitoring device for tobacco barn according to claim 1, wherein: The protective box includes a back plate with a rectangular structure, a front guard plate fixedly installed in parallel on the outside of the back plate by a heightening bracket, and four side guard plates respectively arranged vertically around the back plate. The front guard plate and three of the side guard plates together form the shooting window, the baffle driving device is installed on the back plate, and the window baffle is installed on the back plate through a baffle bracket. The back plate, the front guard plate, the four side guard plates and the window baffle in a covered state together form a rectangular structure.

8. The video monitoring device for tobacco leaf curing barn according to claim 7, wherein: A rotatable turntable and a linear damper arranged next to the turntable are installed at the center position of the inner side of the back plate, and a buffer guide rod extending toward the center point of the turntable is fixedly connected to the inner side of each side guard plate through a reinforcing structure. Sliding guide sleeves respectively matched with the corresponding buffer guide rods are fixedly installed on the inner side of the back plate, and each buffer guide rod can be slidably inserted into the corresponding sliding guide sleeve. The inner end of each buffer guide rod is hinged to one end of the corresponding intermediate connecting rod, and the other end of each intermediate connecting rod is hinged to the turntable. A damper matching cantilever extending radially outward is provided on the outer edge of the turntable, and the extension direction of the piston rod of the linear damper is perpendicular to the extension direction of the damper matching cantilever, and the outer end of the piston rod of the linear damper abuts against the damper matching cantilever, so as to drive a gap to be maintained between the inner sides of the four side guard plates and the outer edges around the back plate.

9. The video monitoring device for tobacco leaf curing barn according to claim 8, wherein: The outer surfaces of the front guard plate, the window baffle plate and the four side guard plates are all detachably covered with a buffer pad.

10. The installation structure of the video monitoring device for the tobacco leaf curing barn according to any one of claims 1-9, characterized in that: It further includes a pose adjustment mechanism, which includes a mounting plate, two attitude adjustment guide rods fixedly mounted on the mounting plate in parallel, and a carriage that is slidably engaged with both attitude adjustment guide rods at the same time. A protection box mounting frame is fixedly mounted on the inner side of the back plate, and there are two parallel mounting shafts on the protection box mounting frame. One of the mounting shafts is hinged to the carriage, and both ends of the other mounting shaft are hinged to one end of the corresponding support link. The other ends of the two support links are both hinged to the corresponding link hinge seats fixedly mounted on the mounting plate. The mounting shaft is perpendicular to the attitude adjustment guide rod. An attitude adjustment driving device for driving the carriage to slide along the two attitude adjustment guide rods is mounted on the mounting plate. The inner side of the mounting plate is slidably engaged with two parallel equipment installation guide rods through a plurality of sliders. The equipment installation guide rods are parallel to the mounting shaft, and both ends of the equipment installation guide rods are fixedly mounted on the wall surface of the baking room through guide rod mounting seats.

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