CN112394535A - Multi-dimensional optical axis adjusting mechanism of refrigeration type zoom infrared camera - Google Patents
Multi-dimensional optical axis adjusting mechanism of refrigeration type zoom infrared camera Download PDFInfo
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- CN112394535A CN112394535A CN202011341576.6A CN202011341576A CN112394535A CN 112394535 A CN112394535 A CN 112394535A CN 202011341576 A CN202011341576 A CN 202011341576A CN 112394535 A CN112394535 A CN 112394535A
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 44
- 230000003287 optical effect Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
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Abstract
The invention belongs to the technical field of refrigeration type zoom infrared cameras, and particularly relates to a multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera. The mechanism comprises: the device comprises a zoom infrared lens, a refrigeration type infrared detector, a base, a main adjusting plate, an auxiliary adjusting plate, an X-direction adjusting screw, a Y-direction adjusting screw and a Z-direction adjusting screw; compared with the prior art, the invention has the advantages that: (1) during adjustment, only the adjusting screws in all directions need to be rotated, the main adjusting plate is finely adjusted, the quick adjustment can be carried out in place, time consumption is reduced, the assembly and adjustment efficiency (2) is greatly improved, the relative position of the refrigeration type infrared detector and the base can be adjusted, the requirements on design and machining precision are lowered, and the cost is greatly lowered. (3) Because adjustable position is many, reduce the part and reprocess the number of times.
Description
Technical Field
The invention belongs to the technical field of refrigeration type zoom infrared cameras, and particularly relates to a multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera.
Background
The refrigeration type zooming infrared camera generally comprises a zooming infrared lens, a refrigeration type infrared detector and other components, and in order to ensure the imaging quality during debugging, the consistency of the optical axes of the zooming infrared lens and the refrigeration type infrared detector needs to be adjusted, wherein the consistency of the optical axes refers to the consistency of the optical axes of the zooming infrared lens and the infrared movement in the zooming and focusing processes. Currently, the adjustment is generally performed by a method of adding gaskets in three directions of XYZ, and the method needs to determine the thickness and the number of the gaskets through preassembly, and has the defects of very complicated and inefficient process, high error rate and unsuitability for mass production of products.
Specifically, when the refrigeration type zoom infrared camera is assembled, in order to ensure the imaging quality of the lens, the relative position of the lens and the refrigeration type infrared detector needs to be adjusted, and currently, the adjustment is performed by a commonly-used gasket adding method. As shown in fig. 1.
The prior art has the following defects: (1) the need for pre-assembly determines the need for increased gasket thickness, and even multiple adjustments of gasket thickness, which is time consuming and inefficient. (2) The relative position of refrigeration type infrared detector and base is fixed, can not adjust, consequently must require very high precision in part design and processing just can guarantee detector and base relative position to cause the processing cost to increase by a wide margin. (3) In the assembly process, the adjustable allowance is small, so that the parts may need to be repaired for many times.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide a multi-dimensional optical axis adjusting mechanism of a refrigeration type zooming infrared camera.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera, the mechanism comprising: the device comprises a zoom infrared lens, a refrigeration type infrared detector, a base, a main adjusting plate, an auxiliary adjusting plate, an X-direction adjusting screw, a Y-direction adjusting screw and a Z-direction adjusting screw;
defining the direction along the optical axis of the zoom infrared lens and the optical axis of the refrigeration type infrared detector as an X direction, the direction vertical to the X direction along the horizontal direction as a Y direction, and the direction vertical to an X-Y plane as a Z direction;
the base comprises a horizontal part and a vertical part which are integrally formed, and the vertical part is arranged at the front end of the horizontal part along the X direction;
the zooming infrared lens is connected to the vertical part, the vertical part is a ring body, the shape and the size of the ring body are matched with those of the zooming infrared lens, the edge part of the ring body is used for fixing the zooming infrared lens, and the hollow part is used for penetrating through the optical axis of the zooming infrared lens and the optical axis of the refrigeration type infrared detector;
a main adjusting plate is arranged on the horizontal part of the base, and an auxiliary adjusting plate is arranged on the main adjusting plate;
the auxiliary adjusting plate is fixedly provided with the refrigeration type infrared detector;
the horizontal part of the base is provided with an X-direction adjusting screw in the X direction, the horizontal part of the base is provided with a Y-direction adjusting screw in the Y direction, and the horizontal part of the base is provided with a Z-direction adjusting screw in the Z direction; the main adjusting plate is arranged on the horizontal part of the base through the X-direction adjusting screw, the Y-direction adjusting screw and the Z-direction adjusting screw; in the rotating process of the X-direction adjusting screw, the main adjusting plate is arranged on the horizontal part of the base to move back and forth along the X direction; in the rotation process of the Y-direction adjusting screw, the main adjusting plate is arranged to move left and right along the Y direction on the horizontal part of the base; the main adjustment plate is configured to be movable up and down in the Z-direction on the horizontal portion of the base during rotation of the Z-direction adjustment screw.
When the zoom infrared camera works, the zoom infrared camera lens is connected with the vertical part of the base and is fixed by screws; the refrigeration type infrared detector is connected with the auxiliary adjusting plate and fixed by screws, and then the auxiliary adjusting plate is arranged on the main adjusting plate; the main adjusting plate is arranged on the horizontal part of the base; the X-direction adjusting screw, the Y-direction adjusting screw and the Z-direction adjusting screw are respectively connected with the horizontal part of the base and are in contact with the main adjusting plate;
when the optical axis is adjusted, the X-direction adjusting screw, the Y-direction adjusting screw and/or the Z-direction adjusting screw are/is respectively rotated to enable the main adjusting plate to move, so that the refrigeration type infrared detector generates X-direction, Y-direction and/or Z-direction movement, and finally the optical axis of the zooming infrared lens is superposed with the optical axis of the refrigeration type infrared detector.
Wherein, the auxiliary adjusting plate and the main adjusting plate are horizontally movable; the auxiliary adjusting plate is used for providing additional adjustment in the horizontal direction when the horizontal adjustment amount of the main adjusting plate is not enough to achieve the adjustment effect.
The X-direction adjusting screw is rotated clockwise to push the main adjusting plate to move towards the zooming infrared lens;
the main adjusting plate can be pushed to move towards the direction far away from the zooming infrared lens by rotating the X-direction adjusting screw anticlockwise;
wherein, X is provided with one or more to the adjusting screw.
The main adjusting plate can be pushed to move towards the Y direction by clockwise rotating the Y-direction adjusting screw;
the main adjusting plate can be pushed to move towards the other direction of the Y direction by rotating the Y-direction adjusting screw anticlockwise.
And two rows of Y-direction adjusting screws are arranged and are respectively positioned at two Y-direction ends of the horizontal part of the base.
Wherein, each row of Y-direction adjusting screws is provided with one or more than one.
The main adjusting plate can be pushed to move upwards by rotating the Z-direction adjusting screw clockwise;
the main adjusting plate can be driven to move downwards by rotating the Z-direction adjusting screw anticlockwise.
The Z-direction adjusting screws are arranged in a plurality of positions, are arranged to penetrate through the upper end face of the lower end face of the base and support the main adjusting plate.
(III) advantageous effects
Compared with the prior art, the invention provides a novel multi-dimensional adjusting mechanism, which greatly simplifies the adjusting process and greatly improves the assembling efficiency.
Compared with the prior art, the invention has the advantages that:
(1) during adjustment, the main adjusting plate can be finely adjusted in place by only rotating the adjusting screws in all directions, time consumption is reduced, and assembly and adjustment efficiency is greatly improved
(2) The relative position of the refrigeration type infrared detector and the base is adjustable, the requirements on design and machining precision are reduced, and the cost is greatly reduced.
(3) Because adjustable position is many, reduce the part and reprocess the number of times.
Drawings
Fig. 1 is a schematic diagram of a prior art composition structure.
FIG. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic view of an optical axis.
FIG. 4 is a sectional view taken along line A-A, which is a schematic view of the XY-direction adjusting screw.
Fig. 5 is a plan view of the multi-dimensional optical axis adjustment mechanism.
FIG. 6 is a sectional view taken along line B-B.
FIG. 7 is a cross-sectional view taken along line C-C, showing a Z-direction adjustment screw.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
To solve the problems of the prior art, the present invention provides a multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera, as shown in fig. 2-7, the mechanism includes: the device comprises a zoom infrared lens, a refrigeration type infrared detector, a base, a main adjusting plate, an auxiliary adjusting plate, an X-direction adjusting screw, a Y-direction adjusting screw and a Z-direction adjusting screw;
defining the direction along the optical axis of the zoom infrared lens and the optical axis of the refrigeration type infrared detector as an X direction, the direction vertical to the X direction along the horizontal direction as a Y direction, and the direction vertical to an X-Y plane as a Z direction;
the base comprises a horizontal part and a vertical part which are integrally formed, and the vertical part is arranged at the front end of the horizontal part along the X direction;
the zooming infrared lens is connected to the vertical part, the vertical part is a ring body, the shape and the size of the ring body are matched with those of the zooming infrared lens, the edge part of the ring body is used for fixing the zooming infrared lens, and the hollow part is used for penetrating through the optical axis of the zooming infrared lens and the optical axis of the refrigeration type infrared detector;
a main adjusting plate is arranged on the horizontal part of the base, and an auxiliary adjusting plate is arranged on the main adjusting plate;
the auxiliary adjusting plate is fixedly provided with the refrigeration type infrared detector;
the horizontal part of the base is provided with an X-direction adjusting screw in the X direction, the horizontal part of the base is provided with a Y-direction adjusting screw in the Y direction, and the horizontal part of the base is provided with a Z-direction adjusting screw in the Z direction; the main adjusting plate is arranged on the horizontal part of the base through the X-direction adjusting screw, the Y-direction adjusting screw and the Z-direction adjusting screw; in the rotating process of the X-direction adjusting screw, the main adjusting plate is arranged on the horizontal part of the base to move back and forth along the X direction; in the rotation process of the Y-direction adjusting screw, the main adjusting plate is arranged to move left and right along the Y direction on the horizontal part of the base; the main adjustment plate is configured to be movable up and down in the Z-direction on the horizontal portion of the base during rotation of the Z-direction adjustment screw.
When the zoom infrared camera works, the zoom infrared camera lens is connected with the vertical part of the base and is fixed by screws; the refrigeration type infrared detector is connected with the auxiliary adjusting plate and fixed by screws, and then the auxiliary adjusting plate is arranged on the main adjusting plate; the main adjusting plate is arranged on the horizontal part of the base; the X-direction adjusting screw, the Y-direction adjusting screw and the Z-direction adjusting screw are respectively connected with the horizontal part of the base and are in contact with the main adjusting plate;
when the optical axis is adjusted, the X-direction adjusting screw, the Y-direction adjusting screw and/or the Z-direction adjusting screw are/is rotated to move the main adjusting plate, so that the refrigeration type infrared detector moves in the X direction, the Y direction and/or the Z direction, and finally the optical axis of the zoom infrared lens is overlapped with the optical axis of the refrigeration type infrared detector, which is shown in fig. 2 to 7.
Wherein, the auxiliary adjusting plate and the main adjusting plate are horizontally movable; the auxiliary adjusting plate is used for providing additional adjustment in the horizontal direction when the horizontal adjustment amount of the main adjusting plate is not enough to achieve the adjustment effect.
The X-direction adjusting screw is rotated clockwise to push the main adjusting plate to move towards the zooming infrared lens;
the main adjusting plate can be pushed to move towards the direction far away from the zooming infrared lens by rotating the X-direction adjusting screw anticlockwise;
wherein, X is provided with one or more to the adjusting screw.
The main adjusting plate can be pushed to move towards the Y direction by clockwise rotating the Y-direction adjusting screw;
the main adjusting plate can be pushed to move towards the other direction of the Y direction by rotating the Y-direction adjusting screw anticlockwise.
And two rows of Y-direction adjusting screws are arranged and are respectively positioned at two Y-direction ends of the horizontal part of the base.
Wherein, each row of Y-direction adjusting screws is provided with one or more than one.
The main adjusting plate can be pushed to move upwards by rotating the Z-direction adjusting screw clockwise;
the main adjusting plate can be driven to move downwards by rotating the Z-direction adjusting screw anticlockwise.
The Z-direction adjusting screws are arranged in a plurality of positions, are arranged to penetrate through the upper end face of the lower end face of the base and support the main adjusting plate.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A multi-dimensional optical axis adjustment mechanism for a refrigerated zoom infrared camera, the mechanism comprising: the device comprises a zoom infrared lens, a refrigeration type infrared detector, a base, a main adjusting plate, an auxiliary adjusting plate, an X-direction adjusting screw, a Y-direction adjusting screw and a Z-direction adjusting screw;
defining the direction along the optical axis of the zoom infrared lens and the optical axis of the refrigeration type infrared detector as an X direction, the direction vertical to the X direction along the horizontal direction as a Y direction, and the direction vertical to an X-Y plane as a Z direction;
the base comprises a horizontal part and a vertical part which are integrally formed, and the vertical part is arranged at the front end of the horizontal part along the X direction;
the zooming infrared lens is connected to the vertical part, the vertical part is a ring body, the shape and the size of the ring body are matched with those of the zooming infrared lens, the edge part of the ring body is used for fixing the zooming infrared lens, and the hollow part is used for penetrating through the optical axis of the zooming infrared lens and the optical axis of the refrigeration type infrared detector;
a main adjusting plate is arranged on the horizontal part of the base, and an auxiliary adjusting plate is arranged on the main adjusting plate;
the auxiliary adjusting plate is fixedly provided with the refrigeration type infrared detector;
the horizontal part of the base is provided with an X-direction adjusting screw in the X direction, the horizontal part of the base is provided with a Y-direction adjusting screw in the Y direction, and the horizontal part of the base is provided with a Z-direction adjusting screw in the Z direction; the main adjusting plate is arranged on the horizontal part of the base through the X-direction adjusting screw, the Y-direction adjusting screw and the Z-direction adjusting screw; in the rotating process of the X-direction adjusting screw, the main adjusting plate is arranged on the horizontal part of the base to move back and forth along the X direction; in the rotation process of the Y-direction adjusting screw, the main adjusting plate is arranged to move left and right along the Y direction on the horizontal part of the base; the main adjustment plate is configured to be movable up and down in the Z-direction on the horizontal portion of the base during rotation of the Z-direction adjustment screw.
2. The multi-dimensional optical axis adjustment mechanism of the refrigeration-type zoom infrared camera of claim 1, wherein, in operation, the zoom infrared lens is connected with the vertical part of the base and is fixed by screws; the refrigeration type infrared detector is connected with the auxiliary adjusting plate and fixed by screws, and then the auxiliary adjusting plate is arranged on the main adjusting plate; the main adjusting plate is arranged on the horizontal part of the base; the X-direction adjusting screw, the Y-direction adjusting screw and the Z-direction adjusting screw are respectively connected with the horizontal part of the base and are in contact with the main adjusting plate;
when the optical axis is adjusted, the X-direction adjusting screw, the Y-direction adjusting screw and/or the Z-direction adjusting screw are/is respectively rotated to enable the main adjusting plate to move, so that the refrigeration type infrared detector generates X-direction, Y-direction and/or Z-direction movement, and finally the optical axis of the zooming infrared lens is superposed with the optical axis of the refrigeration type infrared detector.
3. The multi-dimensional optical axis adjusting mechanism of a refrigeration-type zoom infrared camera according to claim 1, wherein the auxiliary adjusting plate and the main adjusting plate are horizontally movable; the auxiliary adjusting plate is used for providing additional adjustment in the horizontal direction when the horizontal adjustment amount of the main adjusting plate is not enough to achieve the adjustment effect.
4. The multi-dimensional optical axis adjusting mechanism of the refrigeration-type zoom infrared camera as claimed in claim 1, wherein the main adjusting plate can be pushed to move towards the zoom infrared lens by clockwise rotating the X-direction adjusting screw;
the X-direction adjusting screw is rotated anticlockwise to push the main adjusting plate to move towards the direction far away from the zooming infrared lens.
5. The multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera as claimed in claim 1, wherein one or more adjusting screws are provided in the X direction.
6. The multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera as claimed in claim 1, wherein the main adjusting plate can be pushed to move in one direction of the Y direction by clockwise rotating the Y-direction adjusting screw;
the main adjusting plate can be pushed to move towards the other direction of the Y direction by rotating the Y-direction adjusting screw anticlockwise.
7. The multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera as claimed in claim 1, wherein there are two rows of the Y-direction adjusting screws respectively located at two ends of the horizontal portion of the base in the Y-direction.
8. The multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera as claimed in claim 7, wherein one or more adjusting screws are provided for each row of Y-direction adjusting screws.
9. The multi-dimensional optical axis adjusting mechanism of a refrigeration type zoom infrared camera as claimed in claim 1, wherein the main adjusting plate can be pushed to move upwards by rotating the Z-direction adjusting screw clockwise;
the main adjusting plate can be driven to move downwards by rotating the Z-direction adjusting screw anticlockwise.
10. The multi-dimensional optical axis adjusting mechanism of a refrigeration-type zoom infrared camera as claimed in claim 1, wherein a plurality of Z-direction adjusting screws are provided, and are arranged to penetrate from the lower end face of the base to the upper end face to support the main adjusting plate.
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| CN202011341576.6A CN112394535A (en) | 2020-11-25 | 2020-11-25 | Multi-dimensional optical axis adjusting mechanism of refrigeration type zoom infrared camera |
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| CN202011341576.6A CN112394535A (en) | 2020-11-25 | 2020-11-25 | Multi-dimensional optical axis adjusting mechanism of refrigeration type zoom infrared camera |
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Application publication date: 20210223 |
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