Infrared camera optical assembly with adjustable field angle

Abstract

The utility model relates to the technical field of infrared camera optical assemblies, and discloses an infrared camera optical assembly with an adjustable field angle, which comprises a fixing ring, an adjusting mechanism is arranged in the fixing ring, a control mechanism is arranged outside the fixing ring, the adjusting mechanism comprises a connecting block, and the connecting block is connected with the fixing ring. And the farther ends of the four connecting blocks are fixedly connected to the interior of the fixing ring, the close ends of the four connecting blocks are fixedly connected with a motor protection shell, the interior of the motor protection shell is fixedly connected with a lens seat, and one end of the inner side of the lens seat is fixedly connected with a zoom inner tube. According to the utility model, the power motor structure generates a rotating force according to a signal to drive the zoom gear structure to rotate, so that the zoom tooth group structure on the tooth group connecting ring structure is driven to rotate, and the adjusting slide block structure in the zoom outer tube structure on the tooth group connecting ring structure moves along with the adjusting slide groove structure.

Description

Technical Field

[0001] This utility model relates to the field of infrared camera optical components technology, and in particular to an infrared camera optical component with an adjustable field of view. Background Technology

[0002] An infrared camera is a device that can detect infrared light and convert it into a visible image. The optical components of an infrared camera are the key part of its infrared imaging. An infrared camera with an adjustable field of view is suitable for security monitoring and industrial inspection.

[0003] When in use, the zoom ring can be manually rotated or the lens can be changed to adjust the field of view. In the application, preset scene modes can be used to reasonably arrange and adjust the field of view of each camera when multiple cameras work together to achieve the best monitoring effect.

[0004] Traditional infrared cameras often have a fixed field of view, which cannot meet the diverse needs of different scenarios. They require manual rotation of the zoom ring during use and cannot change the camera's illumination angle in real time as needed. Therefore, an adjustable field of view infrared camera optical component is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an adjustable field-of-view infrared camera optical component, which aims to improve the problems of the prior art requiring manual rotation of the zoom ring and the inability to change the camera's viewing angle in real time as needed.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable field-of-view infrared camera optical component, including a fixed ring, an adjustment mechanism inside the fixed ring, and a control mechanism outside the fixed ring. The adjustment mechanism includes connecting blocks, with the far ends of four connecting blocks fixedly connected to the inside of the fixed ring, and a motor protective shell fixedly connected to the near ends of the four connecting blocks. A lens mount is fixedly connected inside the motor protective shell, and a zoom inner tube is fixedly connected to one inner end of the lens mount. Two fixed sliding grooves are formed inside the zoom inner tube, and an adjustment slider is slidably connected inside each of the two fixed sliding grooves. A fixed head is fixedly connected to the far ends of the two adjustment sliders, and a zoom component is provided on the near side of the two adjustment sliders.

[0007] As a further description of the above technical solution: the zoom component includes a slide plate, two of the four slide plates that are close to the adjustment slider are fixedly connected to the adjacent side of the two adjustment sliders, and a lens frame is fixedly connected to the adjacent side of the four slide plates, and a zoom lens is fixedly connected inside the lens frame;

[0008] As a further description of the above technical solution: a motor mounting base is fixedly connected to the outer side of the lens mount, and two power motors are fixedly connected to the side of the motor mounting base away from the lens mount. A zoom gear is fixedly connected to the output end of the power motor, and a zoom gear assembly is meshed with the external side of the zoom gear assembly. A gear assembly connecting ring is fixedly connected to the external side of the zoom gear assembly.

[0009] As a further description of the above technical solution: a zoom outer tube is fixedly connected inside the gear connecting ring, and two adjusting grooves are opened inside the zoom outer tube. The adjusting grooves are slidably connected to the outside of the adjusting slider. A zoom protective shell is rotatably connected to the outside of the zoom outer tube, and one end of the zoom protective shell is fixedly connected to one end of the motor protective shell.

[0010] As a further description of the above technical solution: a second zoom lens is fixedly connected inside the lens mount; an infrared filter is fixedly connected to the end of the lens mount away from the zoom inner tube; a connecting buckle is fixedly connected to the side of the motor protective shell away from the lens mount; a fixing cover is threadedly connected to the end of the zoom inner tube away from the lens mount; a lens is fixedly connected inside the fixing cover; and a retaining ring is threadedly connected to the end of the fixing cover away from the zoom inner tube.

[0011] As a further description of the above technical solution: the control mechanism includes a rotating shaft one, one end of which is fixedly connected to the outside of the fixed ring, a connecting plate one rotatably connected to the end of the rotating shaft one away from the fixed ring, a rotating shaft two fixedly connected to the end of the connecting plate one away from the rotating shaft one, a connecting plate two rotatably connected to the end of the rotating shaft two away from the connecting plate one, and a power component provided at the end of the connecting plate two away from the rotating shaft two;

[0012] As a further description of the above technical solution: the power assembly includes a fixed column one, one end of the fixed column one is fixedly connected to the end of the connecting plate two away from the rotating shaft two, the fixed column one is fixedly connected to a power motor two, the bottom outer side of the power motor two is fixedly connected to a fixed block one, the top of the fixed block one is fixedly connected to a top plate, the bottom left side of the top plate is fixedly connected to a connecting column, and the end of the connecting column away from the top plate is fixedly connected to a fixed block two;

[0013] As a further description of the above technical solution: a power motor three is fixedly connected to the left side of the fixed block two, a fixed column two is fixedly connected to the output end of the power motor three, a connecting plate three is fixedly connected to the end of the fixed column two away from the power motor three, and a rotating shaft three is rotatably connected to both ends of the connecting plate three. The two adjacent ends of the two rotating shafts three are fixedly connected to the upper and lower sides of the fixed ring.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, a power motor generates rotational force according to a signal, which drives the zoom gear structure to rotate, causing the zoom gear structure on the gear connecting ring structure to rotate. This causes the adjusting slider structure in the zoom outer tube structure on the gear connecting ring structure to move along with the adjusting slide groove structure. The adjusting slider structure is internally connected to the slide plate structure, the lens frame structure, and the zoom lens structure. The external part of the adjusting slider structure is inside the fixed slide groove structure of the zoom inner tube structure. The rotation of the zoom outer tube structure drives the adjusting slider structure to move back and forth in the fixed slide groove structure, thereby achieving a remote control electric adjustment effect.

[0016] 2. In this utility model, the second power motor structure on the top plate structure and the third power motor structure connected to the connecting column structure receive a signal and begin to rotate in coordination. This causes the second connecting plate structure and the first connecting plate structure connected to the second power motor structure to work in a way that restricts the operation of the rotating shaft structure and the gear connecting ring structure, thereby changing the lens to rotate left and right. The third connecting plate structure connected to the third power motor structure is also restricted to work in a way that restricts the operation of the rotating shaft structure, thereby changing the lens to rotate up and down. The two structures do not interfere with each other and can form a large-area tracking shooting mode to solve the problem of not being able to change the camera's reference angle in real time as needed. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the optical components of the adjustable field-of-view infrared camera proposed in this utility model.

[0018] Figure 2 This is a schematic diagram of the motor protective shell for the optical components of the adjustable field-of-view infrared camera proposed in this utility model.

[0019] Figure 3 for Figure 2 Cross-sectional view at point A in the middle;

[0020] Figure 4 This is a schematic diagram of the connecting plate of the adjustable field-of-view infrared camera optical component proposed in this utility model;

[0021] Legend:

[0022] 1. Fixing ring; 2. Connecting block; 3. Motor protective shell; 4. Lens mount; 5. Zoom inner tube; 6. Fixing slide; 7. Adjusting slider; 8. Fixing head; 9. Slide plate; 10. Lens frame; 11. Zoom lens one; 12. Motor mounting base; 13. Drive motor one; 14. Zoom gear; 15. Zoom gear assembly; 16. Gear assembly connecting ring; 17. Zoom outer tube; 18. Adjusting slide; 19. Zoom protective shell; 20. Zoom lens Mirror 2; 21. Infrared filter; 22. Connecting buckle; 23. Fixing cover; 24. Lens; 25. Snap ring; 26. Rotating shaft 1; 27. Connecting plate 1; 28. Rotating shaft 2; 29. ​​Connecting plate 2; 30. Fixing column 1; 31. Power motor 2; 32. Fixing block 1; 33. Top plate; 34. Connecting column; 35. Fixing block 2; 36. Power motor 3; 37. Fixing column 2; 38. Connecting plate 3; 39. Rotating shaft 3. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figure 1 , Figure 2 , Figure 3This utility model provides an embodiment of an adjustable field-of-view infrared camera optical component, including a fixing ring 1. The fixing ring 1 is used to fix and support the internal structure. It is cylindrical and hollow, made of aluminum alloy. An adjustment mechanism is provided inside the fixing ring 1, and a control mechanism is provided outside the fixing ring 1. The adjustment mechanism includes connecting blocks 2. The connecting blocks 2 are used for fixing. They are square in shape and made of aluminum alloy. The farthest ends of the four connecting blocks 2 are fixedly connected to the inside of the fixing ring 1. The nearest ends of the four connecting blocks 2 are fixedly connected to a motor protective shell 3. The motor protective shell 3 is used to fix and support the internal structure. It is cylindrical and hollow, made of aluminum alloy. The inside of the motor protective shell 3 is fixedly connected to... There is a lens mount 4, which is used to fix and support the internal structure. It is cylindrical and hollow, and is made of aluminum alloy. One end of the lens mount 4 is fixedly connected to a zoom inner tube 5. The zoom inner tube 5 is used to fix and support the operation of the internal structure. It is cylindrical and hollow, and is made of engineering plastic. There are two fixing grooves 6 inside the zoom inner tube 5. The fixing grooves 6 are used to support sliding. Adjusting sliders 7 are slidably connected inside the two fixing grooves 6. The adjusting sliders 7 are used to fix and support the operation of the internal structure. They are cylindrical and made of engineering plastic. The far end of the two adjusting sliders 7 is fixedly connected to a fixing head 8. The fixing head 8 is used for fixing. It is cylindrical and made of aluminum alloy.

[0025] A zoom assembly is provided on the adjacent side of the two adjusting sliders 7. The zoom assembly includes a slide plate 9, which is used for fixing and supporting. The slide plate 9 is generally arc-shaped and made of engineering plastic. Two of the four slide plates 9 adjacent to the adjusting sliders 7 are fixedly connected to the adjacent side of the two adjusting sliders 7. A lens frame 10 is fixedly connected to the adjacent side of the four slide plates 9. The lens frame 10 is used for fixing and supporting. It is generally cylindrical and hollow inside, and made of engineering plastic. A zoom lens 11 is fixedly connected inside the lens frame 10. The zoom lens 11 is used to flexibly adjust the field of view. A motor mounting bracket 12 is fixedly connected to the outer side of the lens mount 4. The motor mounting bracket 12 is used for fixing and is generally arc-shaped. The device is made of aluminum alloy. Two power motors 13 are fixedly connected to the side of the motor mounting base 12 away from the lens mount 4. The power motors 13 are used to generate power and have internal sensors that can be remotely adjusted. A zoom gear 14 is fixedly connected to the output end of the power motors 13. The zoom gear 14 is used to convert power into rotational force and is made of high-strength alloy steel. A zoom gear assembly 15 is meshed with the external of the zoom gear 14. The zoom gear assembly 15 is also used to convert power into rotational force and is made of high-strength alloy steel. A gear assembly connecting ring 16 is fixedly connected to the external of the zoom gear assembly 15. The gear assembly connecting ring 16 is used for fixing and supporting. The device is cylindrical and hollow inside and is made of aluminum alloy.

[0026] Reference Figure 1 , Figure 2 , Figure 3 The zoom outer tube 17 is fixedly connected inside the gear connecting ring 16. The zoom outer tube 17 is used to fix and support the operation of the internal structure. It is cylindrical and hollow inside, and is made of aluminum alloy. Two adjusting grooves 18 are opened inside the zoom outer tube 17. The adjusting grooves 18 are used to control the movement of the adjusting slider 7. The inside of the adjusting grooves 18 is slidably connected to the outside of the adjusting slider 7. A zoom protective shell 19 is rotatably connected to the outside of the zoom outer tube 17. The zoom protective shell 19 is used to fix and protect the internal structure. It is cylindrical and hollow inside, and is made of aluminum alloy. One end of the zoom protective shell 19 is fixedly connected to one end of the motor protective shell 3. A second zoom lens 20 is fixedly connected inside the lens mount 4. The second zoom lens 20 is used to flexibly adjust the field of view. The end of the lens mount 4 away from the zoom inner tube 5 is fixedly connected to An infrared filter 21 is attached. The infrared filter 21 selectively transmits infrared light while blocking unwanted visible light and electromagnetic radiation of other wavelengths. It works based on the absorption, reflection and transmission characteristics of materials for different wavelengths of light. A connecting buckle 22 is fixedly connected to the side of the motor protective shell 3 away from the lens mount 4. The connecting buckle 22 is used to connect other components. A fixing cover 23 is threadedly connected to the end of the zoom inner tube 5 away from the lens mount 4. The fixing cover 23 is used to protect and connect the structure. It is cylindrical and hollow inside, and is made of aluminum alloy. A lens 24 is fixedly connected inside the fixing cover 23. The lens 24 is used to allow light to pass through. A retaining ring 25 is threadedly connected to the end of the fixing cover 23 away from the zoom inner tube 5. The retaining ring 25 is used to fix and protect the lens 24. It is cylindrical and hollow inside, and is made of aluminum alloy.

[0027] Reference Figure 1 , Figure 4The control mechanism includes a rotating shaft 26, which is used for connection and rotation. The rotating shaft 26 is cylindrical and made of aluminum alloy. One end of the rotating shaft 26 is fixedly connected to the outside of the fixed ring 1. A connecting plate 27 is rotatably connected to the end of the rotating shaft 26 away from the fixed ring 1. The connecting plate 27 is square-shaped and made of aluminum alloy. A rotating shaft 28 is fixedly connected to the end of the connecting plate 27 away from the rotating shaft 26. The rotating shaft 28 is cylindrical and made of aluminum alloy. A connecting plate 29 is rotatably connected to the end of the rotating shaft 28 away from the connecting plate 27. The connecting plate 29 is square-shaped and made of aluminum alloy. A power assembly is provided at the end of the connecting plate 29 away from the rotating shaft 28. The power assembly includes a fixing column 30, which is used for connection and fixation. It is cylindrical in shape and made of aluminum alloy. One end of the fixing column 30 is fixedly connected to the end of the connecting plate 29 away from the rotating shaft 28. A power motor 31 is fixedly connected to the fixing column 30. The power motor 31 is used to generate power and has a sensor inside that can be remotely adjusted. A fixing block 32 is fixedly connected to the bottom outer side of the power motor 31. The fixing block 32 is used for fixation. It is square in shape and made of aluminum alloy. A top plate 33 is fixedly connected to the top of the fixing block 32. The top plate 33 is used to fix and support the bottom structure. It is square in shape and made of stainless steel.

[0028] A connecting column 34 is fixedly connected to the bottom left side of the top plate 33. The connecting column 34 is used to fix and support the bottom structure. It is square in shape and made of stainless steel. A fixing block 35 is fixedly connected to the end of the connecting column 34 away from the top plate 33. The fixing block 35 is square in shape and made of aluminum alloy. A power motor 36 is fixedly connected to the left side of the fixing block 35. The power motor 36 is used to generate power and has an internal sensor that can be remotely adjusted. A fixing column 37 is fixedly connected to the output end of the power motor 36. The fixing column 37 is used to... For connection and fixation, it is cylindrical in shape and made of aluminum alloy. The end of the fixed column 2 37 away from the power motor 3 36 is fixedly connected to the connecting plate 3 38. The connecting plate 3 38 is square in shape and made of aluminum alloy. The two ends of the connecting plate 3 38 are rotatably connected to the rotating shaft 3 39. The rotating shaft 3 39 is cylindrical in shape and made of aluminum alloy. The near ends of the two rotating shafts 3 39 are fixedly connected to the upper and lower sides of the fixed ring 1.

[0029] Working principle: The top plate 33 is fixed in the required position. As needed, the power motor 13 on the lens mount 4 inside the motor protective shell 3 generates rotational force according to the signal. The two power motors 13 can reduce the deviation caused by adjustment. The zoom gear 14 driven by the motor rotates, which drives the zoom gear 15 on the gear connecting ring 16 to rotate. The tooth angle of the zoom gear 15 can be rotated in small increments, making the adjustment more precise. This causes the adjustment slider 7 in the zoom outer tube 17 on the gear connecting ring 16 to move with the adjustment groove 1. 8. When the adjustment slide 18 is tilted, the fixed adjustment slider 7 can be moved. The inside of the adjustment slider 7 is connected to the slide plate 9, the lens frame 10 and the zoom lens 11. The outside of the adjustment slider 7 is inside the fixed slide 6 of the zoom inner tube 5. The rotation of the zoom outer tube 17 drives the adjustment slider 7 to move back and forth in the fixed slide 6, so that light enters from the lens 24 and enters the zoom lens 20 through the distance change of the zoom lens 11, and enters the infrared filter 21 through the zoom lens 20.

[0030] The second motor 31 on the top plate 33 and the third motor 36 connected to the connecting column 34 receive a signal and begin to rotate. The second motor 31 can only generate a rotational force to drive the lens left and right, and the third motor 36 can only generate a rotational force to drive the lens up and down. This causes the second connecting plate 29 and the first connecting plate 27 connected to the second motor 31 to work in a restricted manner by the second rotating shaft 28 and the gear connecting ring 16, so that the fixed ring 1 is controlled to rotate, thereby changing the lens to rotate left and right. The third connecting plate 38 connected to the third motor 36 is restricted to work in a restricted manner by the third rotating shaft 39, thereby controlling the fixed ring 1 to rotate, thereby changing the lens to rotate up and down.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An infrared camera optical assembly with an adjustable field of view, comprising a fixing ring (1), characterized in that: An adjustment mechanism is provided inside the fixed ring (1), and a control mechanism is provided outside the fixed ring (1); The adjustment mechanism includes connecting blocks (2), with the far ends of the four connecting blocks (2) fixedly connected to the inside of the fixing ring (1), and the near ends of the four connecting blocks (2) fixedly connected to a motor protective shell (3). The inside of the motor protective shell (3) is fixedly connected to a lens mount (4), and the inner end of the lens mount (4) is fixedly connected to a zoom inner tube (5). The inside of the zoom inner tube (5) has two fixed sliding grooves (6), and the inside of each of the two fixed sliding grooves (6) is slidably connected to an adjustment slider (7). The far ends of the two adjustment sliders (7) are fixedly connected to a fixing head (8), and a zoom component is provided on the near side of the two adjustment sliders (7).

2. The adjustable field-of-view infrared camera optical assembly according to claim 1, characterized in that: The zoom assembly includes a slide plate (9), two of the four slide plates (9) that are close to the adjustment slider (7) are fixedly connected to the adjacent side of the two adjustment sliders (7), and a lens frame (10) is fixedly connected to the adjacent side of the four slide plates (9), and a zoom lens (11) is fixedly connected inside the lens frame (10).

3. The adjustable field-of-view infrared camera optical assembly according to claim 1, characterized in that: A motor mounting base (12) is fixedly connected to the outer side of the lens mount (4). Two power motors (13) are fixedly connected to the side of the motor mounting base (12) away from the lens mount (4). A zoom gear (14) is fixedly connected to the output end of the power motor (13). A zoom gear assembly (15) is meshed with the outside of the zoom gear (14). A gear assembly connecting ring (16) is fixedly connected to the outside of the zoom gear assembly (15).

4. The adjustable field-of-view infrared camera optical assembly according to claim 3, characterized in that: The gear connecting ring (16) is fixedly connected to a zoom outer tube (17). The zoom outer tube (17) has two adjusting grooves (18) inside. The adjusting grooves (18) are slidably connected to the outside of the adjusting slider (7). The zoom outer tube (17) is rotatably connected to a zoom protective shell (19). One end of the zoom protective shell (19) is fixedly connected to one end of the motor protective shell (3).

5. The adjustable field-of-view infrared camera optical assembly according to claim 1, characterized in that: A zoom lens (20) is fixedly connected inside the lens mount (4). An infrared filter (21) is fixedly connected to the end of the lens mount (4) away from the zoom inner tube (5). A connecting buckle (22) is fixedly connected to the side of the motor protective shell (3) away from the lens mount (4). A fixing cover (23) is threadedly connected to the end of the zoom inner tube (5) away from the lens mount (4). A lens (24) is fixedly connected inside the fixing cover (23). A retaining ring (25) is threadedly connected to the end of the fixing cover (23) away from the zoom inner tube (5).

6. The adjustable field-of-view infrared camera optical assembly according to claim 1, characterized in that: The control mechanism includes a rotating shaft (26), one end of which is fixedly connected to the outside of the fixed ring (1). A connecting plate (27) is rotatably connected to the end of the rotating shaft (26) away from the fixed ring (1). A rotating shaft (28) is fixedly connected to the end of the connecting plate (27) away from the rotating shaft (26). A connecting plate (29) is rotatably connected to the end of the rotating shaft (28) away from the connecting plate (27). A power component is provided at the end of the connecting plate (29) away from the rotating shaft (28).

7. The adjustable field-of-view infrared camera optical assembly according to claim 6, characterized in that: The power assembly includes a first fixed column (30), one end of which is fixedly connected to the end of the second connecting plate (29) away from the second rotating shaft (28). The first fixed column (30) is fixedly connected to a second power motor (31). The bottom outer side of the second power motor (31) is fixedly connected to a first fixed block (32). The top of the first fixed block (32) is fixedly connected to a top plate (33). The bottom left side of the top plate (33) is fixedly connected to a connecting column (34). The end of the connecting column (34) away from the top plate (33) is fixedly connected to a second fixed block (35).

8. The adjustable field-of-view infrared camera optical assembly according to claim 7, characterized in that: A power motor three (36) is fixedly connected to the left side of the fixed block two (35). A fixed column two (37) is fixedly connected to the output end of the power motor three (36). A connecting plate three (38) is fixedly connected to the end of the fixed column two (37) away from the power motor three (36). A rotating shaft three (39) is rotatably connected to both ends of the connecting plate three (38). The two adjacent ends of the two rotating shafts three (39) are fixedly connected to the upper and lower sides of the fixed ring (1).

Images