Multi-dimensional optical axis adjusting mechanism of refrigeration type zoom infrared camera

Abstract

The utility model relates to the field of infrared cameras, in particular to a multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera. An infrared detector is arranged at the upper end of the bottom table, and an infrared lens is fixedly connected to the upper end of the bottom table; the vertical adjusting mechanism used for vertically pushing the infrared detector is arranged on the lower inner wall of the bottom table, the lifting height of the infrared detector can be adjusted through the vertical adjusting mechanism, and after the vertical height adjustment is completed, the front-back movement of the infrared detector is adjusted by pushing an adjusting assembly; at the moment, the front-back moving position of the infrared detector is locked through the locking assembly, left-right moving adjustment is carried out, alignment and focusing are facilitated for testing, at the moment, the infrared lens is clearly imaged by the infrared detector, and then the focusing calibration testing can be completed.

Description

Technical Field

[0001] The utility model relates to the field of infrared cameras, in particular to a multi-dimensional optical axis adjustment mechanism of a refrigeration type zoom infrared camera. Background Art

[0002] Infrared cameras are cameras that use infrared thermal radiation to generate images. They can display the temperature distribution in the environment and are used in many fields such as meteorology, fire prevention, and disaster relief.

[0003] A cooled infrared camera is a camera that reduces the temperature of the camera's internal components to increase the sensitivity, clarity and shooting effect of the infrared camera.

[0004] The refrigerated infrared camera in the prior art needs to be focused during assembly, and the optical axis of the lens and the optical axis of the infrared detector must be aligned before use. The position of the refrigerated infrared camera is fixed and adjusted by gaskets during assembly. If errors occur, multiple assemblies are required, which is troublesome during use.

[0005] Therefore, a multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a multi-dimensional optical axis adjustment mechanism for a cooled zoom infrared camera in order to solve the above-mentioned problem, thereby improving the problem that the position of the cooled infrared camera is fixedly adjusted by gaskets during assembly, and if errors occur, multiple assemblies are required, which is troublesome during use.

[0007] The utility model achieves the above-mentioned purpose through the following technical solutions. A multi-dimensional optical axis adjustment mechanism for a refrigerated zoom infrared camera comprises: a base, an infrared detector is arranged on the upper end of the base, and an infrared lens is fixedly connected to the upper end of the base; a vertical adjustment mechanism, the vertical adjustment mechanism for vertically pushing the infrared detector is arranged on the lower inner wall of the base; a horizontal adjustment mechanism, the horizontal adjustment mechanism for horizontally pushing the infrared detector is arranged on the upper side of the base; wherein the horizontal adjustment mechanism comprises a pushing adjustment component arranged on the upper side of the base, and a locking component is arranged on the upper side of the pushing adjustment component.

[0008] Preferably, the vertical adjustment mechanism includes a screw rotatably connected to the inner wall of the base, a push block is threadedly connected to the surface of the screw, a plurality of push rods are fixedly connected to the upper end of the push block, the upper ends of the plurality of push rods all slide through the upper end of the base and extend upward, two mutually parallel first slide rails are provided on the upper end of the base, and the plurality of push rods are respectively fixedly connected to the two first slide rails, and the infrared detector can be moved up and down through the vertical adjustment mechanism for alignment verification.

[0009] Preferably, the pushing and adjusting component includes a first movable platform slidably connected to the surfaces of two first slide rails, the upper end of the first movable platform is fixedly connected to the second slide rail, the second slide rail surface is slidably connected to the second movable platform, the upper end of the second movable platform is detachably connected to the infrared detector by bolts, and the infrared detector can be moved forward, backward, left and right by pushing the adjusting component to facilitate focusing movement.

[0010] Preferably, the second slide rail and the upper end of the scale bar are fixedly connected with a scale bar, and the two scale bars are slidably connected to the inner walls of the second movable platform and the first movable platform respectively. The feed distance can be checked through the scale bars, which facilitates precise adjustment.

[0011] Preferably, the locking assembly includes a nut fixedly connected to the side end of the first movable platform, the inner wall of the nut is threadedly connected to a screw, one end of the screw movably passes through the side end of the first movable platform and extends inward, one end of the screw is fixedly connected to a rubber friction pad, one end of the rubber friction pad is in contact with the first slide rail, and the front and rear adjustment part of the lower side of the push adjustment assembly is locked by the locking assembly to prevent shaking during left and right adjustment, so that the push adjustment assembly moves on its own and affects the alignment accuracy.

[0012] Preferably, it also includes a precise feeding mechanism, which includes a second rotating seat fixedly connected to the inner wall of the base, the inner wall of the second rotating seat is rotatably connected to a worm, the circumferential surface of the screw is fixedly connected to a worm wheel, and the worm is meshingly connected to the worm wheel. The infrared detector can be slowly raised by the precise feeding mechanism, and the rising distance is more accurate.

[0013] Preferably, the precise feeding mechanism includes a first rotating seat fixedly connected to the lower end of the base, a scale ring is fixedly connected to the side end of the first rotating seat, and a pointer is fixedly connected to the surface of the worm. The rising height of the vertical adjustment mechanism can be checked through the scale ring and the pointer, so that the rising of the scale ring is more accurate.

[0014] The beneficial effects of the utility model are:

[0015] 1. The vertical adjustment mechanism can be used to adjust the rising height of the infrared detector. After the vertical height adjustment is completed, the infrared detector can be adjusted forward and backward by pushing the adjustment component. At this time, the forward and backward movement position of the infrared detector can be locked by the locking component, and the left and right movement adjustment can be performed to facilitate the focus test. At this time, the infrared detector can clearly image the infrared lens, and the focus calibration test can be completed;

[0016] 2. The precise feeding mechanism can make the infrared detector rise slowly, and the rising distance is more accurate. The rising height of the vertical adjustment mechanism can be checked through the scale ring and pointer, making the scale ring rise more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a main perspective view of the utility model;

[0018] Figure 2 For the utility model Figure 1 A magnified view of middle;

[0019] Figure 3 It is a cutaway stereogram of the utility model;

[0020] Figure 4 For the utility model Figure 3 Enlarged view of B.

[0021] In the figure: 1. base; 2. infrared lens; 3. infrared detector; 4. vertical adjustment mechanism; 401. lead screw; 402. push block; 403. first slide rail; 404. push rod; 5. horizontal adjustment mechanism; 501. push adjustment assembly; 5011. first moving platform; 5012. second slide rail; 5013. second moving platform; 5014. scale bar; 502. locking assembly; 5021. nut; 5022. screw; 5023. rubber friction pad; 6. precise feeding mechanism; 601. scale ring; 602. pointer; 603. first rotating seat; 604. worm; 605. second rotating seat; 606. worm wheel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] When implementing: Figure 1-4As shown, a multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera comprises: a base 1, an infrared detector 3 is arranged on the upper end of the base 1, and an infrared lens 2 is fixedly connected to the upper end of the base 1; a vertical adjustment mechanism 4, which is used to vertically push the infrared detector 3 and is arranged on the lower inner wall of the base 1; a horizontal adjustment mechanism 5, which is used to horizontally push the infrared detector 3 and is arranged on the upper side of the base 1; wherein the horizontal adjustment mechanism 5 comprises a pushing adjustment component 501 arranged on the upper side of the base 1, and a locking component 502 is arranged on the upper side of the pushing adjustment component 501. When the infrared lens 2 is subjected to a zoom test by using the device, the rising height of the infrared detector 3 is first adjusted by the vertical adjustment mechanism 4, and then the pushing adjustment component 501 is used to push the infrared detector 3 horizontally. The node component 501 adjusts the forward and backward movement of the infrared detector 3. After the forward and backward movement adjustment is completed, the forward and backward movement position of the infrared detector 3 is locked by the locking component 502. At this time, the left and right movement adjustment is performed to facilitate the focus test, which is more convenient. At this time, the infrared detector 3 can clearly image the infrared lens 2 and complete the focus calibration test. The infrared lens 2 obtains heat through infrared radiation and transmits information to the infrared detector 3 for image display. The infrared detector 3 includes a detector and a rotating base. When the infrared detector 3 and the infrared lens 2 are properly aligned with the optical axis, they can be used. For the staff in this technical field, the infrared detector 3 and the infrared lens 2 are both prior art and will not be elaborated here.

[0024] like Figure 2 and Figure 4As shown, it also includes a precise feeding mechanism 6, which includes a second rotating seat 605 fixedly connected to the inner wall of the base 1, the inner wall of the second rotating seat 605 is rotatably connected to a worm 604, the circumferential surface of the lead screw 401 is fixedly connected to a worm wheel 606, the worm 604 is meshingly connected with the worm wheel 606, when it is necessary to adjust the infrared detector 3 to rise, at this time, by rotating the worm 604, the worm 604 drives the worm wheel 606 to rotate, and the worm wheel 606 drives the lead screw 401 to rotate, the precise feeding mechanism 6 includes a first rotating seat 603 fixedly connected to the lower end of the base 1, the side end of the first rotating seat 603 is fixedly connected to a scale ring 601, the surface of the worm 604 is fixedly connected to a pointer 602, when the worm 604 is rotated When the screw 401 is rotated, the pointer 602 will be driven to rotate on the surface of the scale ring 601. By identifying the scale on the surface of the scale ring 601, the feed distance can be checked more carefully. The vertical adjustment mechanism 4 includes a screw 401 rotatably connected to the inner wall of the base 1. The surface of the screw 401 is threadedly connected to a push block 402. The upper end of the push block 402 is fixedly connected to a plurality of push rods 404. The upper ends of the plurality of push rods 404 all slide through the upper end of the base 1 and extend upward. Two first slide rails 403 parallel to each other are arranged on the upper end of the base 1. The plurality of push rods 404 are fixedly connected to the two first slide rails 403 respectively. When the screw 401 rotates, the screw 401 drives the push block 402 and the push rod 404 to rise, and the push rod 404 pushes the first slide rail 403 to rise.

[0025] like Figure 2 and Figure 4As shown, the pushing and adjusting component 501 includes a first movable platform 5011 slidably connected to the surfaces of the two first slide rails 403, the upper end of the first movable platform 5011 is fixedly connected to the second slide rail 5012, the surface of the second slide rail 5012 is slidably connected to the second movable platform 5013, the upper end of the second movable platform 5013 is detachably connected to the infrared detector 3 by bolts, when the height adjustment of the infrared detector 3 is completed, the first movable platform 5011 and the second movable platform 5013 can be pushed to move, and the left and right and front and back positions can be adjusted, the second slide rail 5012 and the first slide rail 403 are squeezed and fitted by the slider in the slide rail, the sliding friction is increased, the damping and self-locking slide rails during movement are performed, and the movement is relatively stable, for the staff in this technical field, the second slide rail 5012 and the first slide rail 403 are both prior art and will not be described in detail here, the second slide rail 5012 and the upper end of the scale bar 5014 are fixedly connected to the scale bar 5014, and the two scale bars 5014 are respectively connected to the second movable platform 5013 The locking assembly 502 includes a nut 5021 fixedly connected to the side end of the first moving platform 5011, and a screw rod 5022 is threadedly connected to the inner wall of the nut 5021. One end of the screw rod 5022 movably penetrates the first moving platform 5011 and the second moving platform 5013. The movable platform 5011 extends to the side and inward, and one end of the screw rod 5022 is fixedly connected to a rubber friction pad 5023, and one end of the rubber friction pad 5023 is in contact with the first slide rail 403. When the forward and backward movement adjustment of the infrared detector 3 needs to be self-locked, the screw rod 5022 can be rotated at this time. At the same time, the screw rod 5022 drives the rubber friction pad 5023 to move through the thread of the nut 5021, and squeezes and fits the surface of the first slide rail 403, so that the first movable platform 5011 cannot slide and is fixed.

[0026] When the utility model is in use, firstly, the worm 604 is rotated, so that the worm 604 drives the worm wheel 606 to rotate, and the worm wheel 606 drives the lead screw 401 to rotate. When the lead screw 401 rotates, the lead screw 401 drives the pushing block 402 and the pushing rod 404 to rise, and the pushing rod 404 pushes the first slide rail 403 to rise, so as to adjust the rising height of the infrared detector 3. Then, the first movable platform 5011 is pushed to move to adjust the front and rear positions. When it is necessary to self-lock the front and rear movement adjustment of the infrared detector 3, the screw 5022 can be rotated at this time, and at the same time, the screw 5022 drives the rubber friction pad 5023 to move through the thread of the nut 5021, and presses and fits the surface of the first slide rail 403, so that the first movable platform 5011 cannot slide and is fixed. At this time, the second movable platform 5013 is pushed to adjust the left and right, and the damping and self-locking effects of the second slide rail 5012 and the first slide rail 403 make the movement more precise. At this time, the optical axis alignment of the infrared lens 2 and the infrared detector 3 is completed, and the infrared detector 3 can be used.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-dimensional optical axis adjustment mechanism for a refrigerated zoom infrared camera, characterized in that: include: A base (1), wherein an infrared detector (3) is arranged at the upper end of the base (1), and an infrared lens (2) is fixedly connected to the upper end of the base (1); A vertical adjustment mechanism (4), used for vertically pushing the infrared detector (3), the vertical adjustment mechanism (4) being arranged on the lower inner wall of the base (1); A horizontal adjustment mechanism (5), used for pushing the infrared detector (3) horizontally, wherein the horizontal adjustment mechanism (5) is arranged on the upper side of the base platform (1); The horizontal adjustment mechanism (5) comprises a push adjustment component (501) arranged on the upper side of the base (1), and a locking component (502) is arranged on the upper side of the push adjustment component (501).

2. The multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera according to claim 1, characterized in that: The vertical adjustment mechanism (4) comprises a lead screw (401) rotatably connected to the inner wall of the base (1); a push block (402) is threadedly connected to the surface of the lead screw (401); a plurality of push rods (404) are fixedly connected to the upper end of the push block (402); the upper ends of the plurality of push rods (404) all slide through the upper end of the base (1) and extend upward; two mutually parallel first slide rails (403) are provided at the upper end of the base (1); the plurality of push rods (404) are respectively fixedly connected to the two first slide rails (403).

3. The multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera according to claim 2, characterized in that: The pushing and adjusting assembly (501) comprises a first movable platform (5011) slidably connected to the surfaces of two first slide rails (403); the upper end of the first movable platform (5011) is fixedly connected to a second slide rail (5012); the surface of the second slide rail (5012) is slidably connected to a second movable platform (5013); the upper end of the second movable platform (5013) is detachably connected to the infrared detector (3) via bolts.

4. The multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera according to claim 3, characterized in that: The second slide rail (5012) and the upper end of the scale bar (5014) are both fixedly connected with a scale bar (5014), and the two scale bars (5014) are respectively slidably connected to the inner wall of the second moving platform (5013) and the first moving platform (5011).

5. The multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera according to claim 3, characterized in that: The locking assembly (502) comprises a nut (5021) fixedly connected to the side end of the first moving platform (5011); the inner wall of the nut (5021) is threadedly connected to a screw rod (5022); one end of the screw rod (5022) movably passes through the side end of the first moving platform (5011) and extends inward; one end of the screw rod (5022) is fixedly connected to a rubber friction pad (5023); one end of the rubber friction pad (5023) is in contact with the first slide rail (403).

6. The multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera according to claim 2, characterized in that: The invention also comprises a precision feeding mechanism (6), wherein the precision feeding mechanism (6) comprises a second rotating seat (605) fixedly connected to the inner wall of the base (1), a worm (604) being rotatably connected to the inner wall of the second rotating seat (605), a worm wheel (606) being fixedly connected to the circumferential surface of the lead screw (401), and the worm (604) and the worm wheel (606) being meshingly connected.

7. The multi-dimensional optical axis adjustment mechanism of a refrigerated zoom infrared camera according to claim 6, characterized in that: The precise feeding mechanism (6) comprises a first rotating seat (603) fixedly connected to the lower end of the base (1), a scale ring (601) fixedly connected to the side end of the first rotating seat (603), and a pointer (602) fixedly connected to the surface of the worm (604).

Images