An infrared imaging device based on image quality adjustment mechanism

Abstract

The present invention provides an infrared imaging device based on an image quality adjustment mechanism, comprising: a lens barrel, the lens barrel having a containing space and provided with an optical window; a support assembly, the support assembly being arranged in the containing space; an infrared imaging lens, the infrared imaging lens being mounted on the support assembly and corresponding to the optical window to receive infrared light entering through the optical window; an infrared image receiver, the infrared image receiver being mounted on the support assembly and corresponding to the infrared imaging lens to image the infrared light passing through the infrared imaging lens; an image quality adjustment mechanism, the image quality adjustment mechanism being mounted on the support assembly and connected to the infrared image receiver. The image quality adjustment mechanism provided by the present invention drives the locking link on the connecting plate to move through a connecting member, thereby realizing the oblique upward and downward displacement of the upper U-shaped block, thereby realizing the fixing of an arbitrary position when the image quality of the infrared camera device is stable.

Description

Technical Field

[0001] The invention belongs to the field of infrared imaging technology, and in particular relates to an infrared imaging device based on a built-in image quality adjustment mechanism. Background Art

[0002] In the field of national economy and national defense construction, infrared imaging technology with stable image quality plays a very important role. Its typical applications mainly include: resource survey, ecological environment monitoring, disaster assessment, marine ecological environment monitoring, and detection and identification of various military targets. The higher the image quality of the infrared camera, the stronger the recognition ability of the observed target. More stable infrared imaging technology will be more widely used in various fields.

[0003] In the prior art, when the infrared camera body is placed inside the lens barrel, image quality fine-tuning is required, and it is difficult to directly fix it inside the lens barrel. As a result, the infrared camera body may shake during actual operation, resulting in unstable image quality. Summary of the invention

[0004] In view of this, the present invention provides an infrared imaging device based on an image quality adjustment mechanism, which solves the problem in the prior art that the image quality needs to be fine-tuned when the infrared camera body is placed inside the lens barrel, and it is difficult to directly fix it inside the lens barrel, so that the infrared camera body may shake in actual operation, resulting in unstable image quality.

[0005] The specific contents of the present invention are as follows:

[0006] An infrared imaging device based on an image quality adjustment mechanism, the infrared imaging device comprising:

[0007] A lens barrel, wherein the lens barrel has a containing space and an optical window is provided on the lens barrel;

[0008] A support assembly, wherein the support assembly is disposed in the accommodating space;

[0009] An infrared imaging lens, which is mounted on the supporting assembly and corresponds to the optical window to receive infrared light entering through the optical window;

[0010] An infrared image receiver, which is mounted on the support assembly and corresponds to the infrared imaging lens to image the infrared light passing through the infrared imaging lens;

[0011] An image quality adjustment mechanism is installed on the supporting assembly and is placed on one side of the infrared image receiver.

[0012] Furthermore, the support assembly includes a heat-conducting base, a mounting base plate, a first mounting bracket, and a second mounting bracket. The heat-conducting base is fixedly attached to the mounting base plate, and the first mounting bracket and the second mounting bracket are vertically fixed on the mounting base plate.

[0013] Furthermore, the image quality adjustment mechanism includes a connecting rod, a locking base, and an upper U-shaped slider, wherein the locking base is fixed on both sides of the mounting base plate; the connecting rod is movably connected to the first mounting bracket via a bolt with a tension spring; the connecting rod is respectively connected to four locking connecting rods at both ends via a pin shaft, which are used to movably connect the first mounting bracket, the connecting rod, the locking base, and the upper U-shaped slider.

[0014] Furthermore, the second mounting bracket is placed between the infrared imaging lens and the infrared image receiver.

[0015] Furthermore, a silent DC fan is installed on one side of the first mounting bracket and the second mounting bracket facing the infrared image receiver.

[0016] The present invention arranges an image quality adjustment mechanism inside the infrared imaging device, and moves the connecting rod in a horizontal position by adjusting the tightness of the bolts, so that the upper U-shaped sliding block is displaced obliquely up and down, so as to achieve the effect of close fitting and separation between the upper U-shaped block and the inner wall of the lens barrel, so as to achieve the purpose of fixing the infrared imaging body at any position in the lens barrel, and solves the problem in the prior art that the infrared camera body needs to be fine-tuned when placed inside the lens barrel and is difficult to be directly fixed inside the lens barrel, resulting in unstable image quality, thereby achieving fixation at any position when the image quality of the infrared camera device is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a main schematic diagram of the structure of an infrared imaging device based on an image quality adjustment mechanism in one embodiment;

[0018] Figure 2 Schematic diagram of the structure of an image quality adjustment mechanism in one embodiment.

[0019] Explanation of the reference numerals: 1-lens barrel, 2-accommodating space, 3-optical window, 4-support assembly, 5-infrared imaging lens, 6-infrared image receiver, 7-image quality adjustment mechanism, 8-silent DC fan, 41-thermal conductive base, 42-mounting base plate, 43-first mounting bracket, 44-second mounting bracket, 71-bolt; 72-tension spring; 73-connecting rod; 74-pin shaft; 75-locking connecting rod; 76-locking base; 77-upper U-shaped block. DETAILED DESCRIPTION

[0020] The following describes several preferred embodiments of the present invention with reference to the drawings in the specification, so that the technical content is clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned in the text.

[0021] In the drawings, components with the same structure are indicated by the same numerical reference numerals, and components with similar structures or functions are indicated by similar numerical reference numerals. The size and thickness of each component shown in the drawings are arbitrarily shown, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of the components is appropriately exaggerated in some places in the drawings.

[0022] Combination Figure 1 , Figure 2 As shown, an infrared imaging device based on an image quality adjustment mechanism provided by an embodiment includes a lens barrel 1, the lens barrel 1 has a accommodating space 2, and an optical window 3 is provided on the lens barrel; a supporting assembly 4 is provided in the accommodating space; an infrared imaging lens 5 and an infrared image receiver 6 are installed on the supporting assembly 4, wherein the infrared imaging lens 5 corresponds to the optical window 3 to receive the infrared light entering through the optical window 3, and the infrared image receiver 6 corresponds to the infrared imaging lens 5 to image the infrared light passing through the infrared imaging lens 5; the image quality adjustment mechanism 7 is also installed on the supporting assembly 4 and is placed on one side of the infrared image receiver 6.

[0023] Specifically, the support assembly 4 includes a heat-conducting base 41, a mounting base 42, a first mounting bracket 43, and a second mounting bracket 44. The mounting base 42 is fixedly attached to the heat-conducting base 41, and the first mounting bracket 43 and the second mounting bracket 44 are vertically fixed to the mounting base 42. Preferably, the first mounting bracket 43 is installed on the side away from the infrared imaging lens 5, and the second mounting bracket 44 is placed between the infrared imaging lens 5 and the infrared image receiver 6. A silent DC fan 8 is installed on the side of the first mounting bracket 43 and the second mounting bracket 44 facing the infrared image receiver 6, which is used to cool the infrared image receiver 6, and can cooperate with the heat-conducting base 41 to achieve a relatively low temperature in the working environment of the infrared imaging device, thereby achieving an explosion-proof effect.

[0024] More specifically, Figure 2As shown, the image quality adjustment mechanism 7 includes a connecting rod 73, a locking base 76, and an upper U-shaped slider 77, wherein the locking base 76 is fixed on both sides of the mounting base plate 42; the connecting rod 73 is movably connected to the first mounting bracket 43 through a bolt 71 with a tension spring 72, and when the bolt 71 is loosened or tightened, the connecting rod 73 moves in a horizontal position under the action of the tension spring 72; the connecting rod 73 is connected to four locking links 75 at both ends through a pin 74, which are used to movably connect the first mounting bracket 43, the connecting rod 73, the locking base 76, and the upper U-shaped slider 77. When the infrared imaging device is being assembled and fixed, the connecting rod 73 is moved in a horizontal position by adjusting the tightness of the bolt 71, thereby driving the locking link 75 to move, and further driving the upper U-shaped slider 77 to move up and down obliquely, so as to achieve the effect of close fit and separation between the upper U-shaped block 77 and the inner wall of the lens barrel 1, so as to achieve the purpose of fixing the infrared imaging lens 5 and the infrared image receiver 6 at any position in the lens barrel 1, thereby solving the problem in the prior art that the infrared camera body needs to be fine-tuned when placed inside the lens barrel and is difficult to be directly fixed inside the lens barrel, resulting in unstable image quality.

[0025] The preferred specific embodiments of the present invention are described in detail above. It should be understood that ordinary technicians in the field can make many modifications and changes based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by technicians in the technical field based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. An infrared imaging device based on an image quality adjustment mechanism, characterized in that: The infrared imaging device comprises: A lens barrel, wherein the lens barrel has a containing space and is provided with an optical window; A support assembly, wherein the support assembly is disposed in the accommodating space; An infrared imaging lens, which is mounted on the supporting assembly and corresponds to the optical window to receive infrared light entering through the optical window; An infrared image receiver, which is mounted on the support assembly and corresponds to the infrared imaging lens to image the infrared light passing through the infrared imaging lens; An image quality adjustment mechanism, which is installed on the support assembly and placed on one side of the infrared image receiver; the support assembly includes a heat-conducting base, a mounting base, a first mounting bracket, and a second mounting bracket, the heat-conducting base is fixedly attached to the mounting base, and the first mounting bracket and the second mounting bracket are vertically fixed on the mounting base; the image quality adjustment mechanism includes a connecting rod, a locking base, and an upper U-shaped slider, and the locking base is fixed on both sides of the mounting base; the connecting rod is movably connected to the first mounting bracket through a bolt with a tension spring; the connecting rod is respectively connected to 4 locking links at both ends through a pin shaft, which is used to movably connect the first mounting bracket, the connecting rod, the locking base, and the upper U-shaped slider; the second mounting bracket is placed between the infrared imaging lens and the infrared image receiver.

2. An infrared imaging device based on an image quality adjustment mechanism as claimed in claim 1, characterized in that: A silent DC fan is installed on one side of the first mounting bracket and the second mounting bracket facing the infrared image receiver.

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