Anti-radiation detection camera

Abstract

The utility model relates to the technical field of industrial detection, and particularly provides an anti-radiation detection camera which comprises a cylindrical bottom shell, an outer shell and a machine cover, a cylindrical imaging camera is arranged in the bottom shell, and a lens is arranged at the upper end of the imaging camera; a reflecting prism is arranged in the shell; a V-shaped acquisition end is arranged at the side end of the shell, and an image enters the shell from the V-shaped acquisition end, is reflected by the reflecting prism and then enters a lens of the imaging camera for imaging, so that a function of detecting the interior of the deep hole is realized; according to the utility model, an image is reflected by the reflecting prism for acquisition and detection, the acquired image can be reflected by the reflecting prism by 90 degrees before imaging, and the reflecting prism distinguishes visible light from gamma rays by utilizing the principle that the gamma rays cannot be reflected by a mirror, so that a sensing device of the imaging camera is prevented from being damaged by the gamma rays in the imaging process; normal use of the imaging camera is ensured, and the deep hole detection effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial detection technical field, concretely relates to a kind of anti-radiation detection camera. BACKGROUND

[0002] In industrial products, some deep holes need to be internally detected, for example, in the nuclear power industry, the wear detection of the pin claw in the control driving rod inner tube;In the military industry, the internal defect detection of missile;In the steel industry, the internal defect (crack, etc.) detection of castings.

[0003] In the prior art, the imaging camera is usually directly inserted into the deep hole for detection, but some industrial products, such as industrial products in the nuclear power industry, have gamma rays, and the imaging camera is easy to be damaged by gamma rays during image acquisition, affecting the acquisition effect. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide an anti-radiation detection camera to solve the problem that the sensor device is damaged by gamma rays when the imaging camera is directly inserted into the deep hole for detection in the prior art.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides an anti-radiation detection camera, which comprises a cylindrical bottom shell, an outer shell and a cover.

[0006] The cylindrical imaging camera is installed in the bottom shell, and the upper end of the imaging camera is provided with a lens.

[0007] The outer shell is provided with a reflecting prism, and the reflecting prism has a 90° reflecting surface.

[0008] The side end of the outer shell is provided with a V-shaped collection end, and the reflecting surface of the reflecting prism is arranged corresponding to the V-shaped collection end. The image enters the lens of the imaging camera after being reflected by the reflecting prism in the outer shell, so as to realize the detection function of the deep hole.

[0009] In an embodiment of the utility model, the upper end of the imaging camera is also provided with a light source, and the light source is arranged around the outside of the lens.

[0010] In an embodiment of the utility model, the upper end of the reflecting prism is provided with a pad, and the pad is made of flexible material.

[0011] In an embodiment of the utility model, the center area of the cover is provided with a pressing column, and the pressing column presses the reflecting prism through the pad after the cover is installed relative to the outer shell.

[0012] In an embodiment of the utility model, the upper end of the outer shell is provided with a mounting end, and a plurality of vertical grooves are arranged equidistantly around the mounting end.

[0013] In an embodiment of the utility model, the bottom shell, the shell, the machine cover all adopt tungsten alloy material, be used for preventing nuclear radiation.

[0014] As described above, the utility model discloses a radiation detection camera, has the following beneficial effects:

[0015] The bottom shell, the shell and the machine cover in the utility model are all made of tungsten alloy material that can shield radiation signals, so that the detection imaging camera can be applied to defect detection of the inside of a deep hole of a workpiece in the nuclear power industry and the military industry; the bottom shell, the shell, the machine cover and the imaging camera are all cylindrical, the imaging camera is installed in the bottom shell, the reflected image is collected and detected through the reflecting prism, the collected image can be reflected by 90 degrees by the reflecting prism before imaging, the reflecting prism distinguishes visible light from gamma rays by using the principle that gamma rays cannot be reflected by a mirror, avoids damage of the sensor of the imaging camera by gamma rays during the imaging process, guarantees normal use of the imaging camera and improves deep hole detection effect; the imaging camera does not need to be stretched out of the bottom shell during the collection process, so that the overall structure of the detection camera is more compact and is suitable for more narrow deep hole operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is shown as the overall structure schematic diagram of the utility model.

[0017] Figure 2 It is shown as the exploded structure schematic diagram of the utility model.

[0018] Figure 3 It is shown as Figure 2 The enlarged view of A in the middle.

[0019] Figure 4 It is shown as Figure 2 The enlarged schematic diagram of the shell.

[0020] Figure 5 It is shown as the cross section structure schematic diagram of the utility model.

[0021] Element number explanation

[0022] Bottom shell 1;Shell 2;V-shaped collection end 21;Mounting end 22;Vertical groove 23;Machine cover 3;Pressing column 31;Imaging camera 4;Lens 5;Reflecting prism 6;Reflecting surface 61;Light source 7;Backing plate 8. DETAILED DESCRIPTION

[0023] The following by specific embodiment explains the embodiment of the utility model of the person skilled in the art can easily understand the other advantages and effects of the utility model from the content disclosed in the specification.

[0024] Please refer to Figures 1 to 5It is to be understood that the structures, proportions, sizes, etc. shown in the drawings accompanying the present specification are merely intended to assist in understanding and reading the present specification by those skilled in the art, and are not intended to limit the conditions under which the present practical new type can be implemented, and therefore do not have technical significance. Any modification of structure, change of proportional relationship or adjustment of size, which does not affect the effects and purposes of the present practical new type, should still fall within the scope of the technical content disclosed by the present practical new type. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are only for the convenience of clear description, and are not intended to limit the scope of the present practical new type. The change or adjustment of relative relationship without substantial change of technical content is also considered as the scope of the present practical new type.

[0025] Please refer to Figures 1 to 5 The present practical new type provides a kind of anti-radiation detection camera, including cylindrical bottom shell 1, shell 2 and machine cover 3;Bottom shell 1, shell 2, machine cover 3 are connected in sequence by thread;The upper end of the shell 2 is provided with mounting end 22, a plurality of vertical grooves 23 are equidistantly arranged on the mounting end 22;The bottom shell 1, shell 2, machine cover 3 are all made of tungsten alloy material, tungsten alloy material is mainly composed of tungsten (W) as matrix, and adds nickel (Ni), iron (Fe), copper (Cu) and other elements, and its density is as high as 16.5-19.0 grams per cubic centimeter, which is more than twice that of steel. The high density characteristics make tungsten alloy have unique advantages in absorbing nuclear radiation. Compared with traditional lead shielding material, the absorption ability of tungsten alloy is 30%-40% higher, and the stability is better, especially in shielding gamma rays and X-rays, which is particularly outstanding, and is used for anti-nuclear radiation, so that the detection camera can be used for defect detection of deep hole inside workpiece in nuclear power industry and military industry.

[0026] The bottom shell 1 is provided with a cylindrical imaging camera 4, and the upper end of the imaging camera 4 is provided with a lens 5; the upper end of the imaging camera 4 is also provided with a light source 7, which is arranged outside the lens 5 and can increase the brightness of the imaging environment and improve the image acquisition effect. The outer shell 2 is provided with a reflecting prism 6 with a 90° reflecting surface 61; the side end of the outer shell 2 is provided with a V-shaped collection end 21, and the reflecting surface 61 of the reflecting prism 6 is arranged correspondingly to the V-shaped collection end 21; the image enters the outer shell 2 from the V-shaped collection end 21, is reflected by the reflecting prism 6, and then enters the lens 5 of the imaging camera 4 to form an image, so as to realize the detection function of the deep hole. The bottom shell 1, the outer shell 2, the cover 3 and the imaging camera 4 are all cylindrical, the imaging camera 4 is arranged in the bottom shell 1, the image is collected and detected by the reflecting prism 6, the collected image can be reflected by 90° by the reflecting prism 6 before imaging, the reflecting prism 6 distinguishes the visible light and the gamma ray according to the principle that the gamma ray cannot be reflected by a mirror, the sensor of the imaging camera 4 is prevented from being damaged by the gamma ray during the imaging process, the normal use of the imaging camera 4 is ensured, and the deep hole detection effect is improved; the imaging camera 4 does not need to be stretched out of the bottom shell during the collection process, the overall structure of the detection camera is more compact, and the detection camera is suitable for more narrow deep hole operation. The camera 4 is provided with a waterproof structure, and can be used for collecting, imaging and detecting under the nuclear reactor.

[0027] The upper end of the reflecting prism 6 is provided with a pad 8 made of flexible material, such as rubber material; the center area of the cover 3 is provided with a pressing column 31, and the pressing column 31 presses the reflecting prism 6 through the pad 8 after the cover 3 is mounted on the outer shell 2; the pad 8 can provide buffering when the pressing column 31 presses the reflecting prism 6, and can prevent the reflecting prism 6 from being damaged.

[0028] In summary, the bottom shell 1, the outer shell 2, the cover 3 and the imaging camera 4 are all cylindrical, the imaging camera 4 is arranged in the bottom shell 1, the image is collected and detected by the reflecting prism 6, the collected image can be reflected by 90° by the reflecting prism 6 before imaging, the reflecting prism 6 distinguishes the visible light and the gamma ray according to the principle that the gamma ray cannot be reflected by a mirror, the sensor of the imaging camera 4 is prevented from being damaged by the gamma ray during the imaging process, the normal use of the imaging camera 4 is ensured, and the deep hole detection effect is improved; the imaging camera 4 does not need to be stretched out of the bottom shell during the collection process, the overall structure of the detection camera is more compact, and the detection camera is suitable for more narrow deep hole operation. Therefore, the utility model effectively overcomes the shortcomings of the prior art and has high industrial utilization value.

[0029] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A radiation detection camera, characterized by, It comprises a cylindrical bottom shell (1), an outer shell (2) and a cover (3); The bottom shell (1) is provided with a cylindrical imaging camera (4), and the upper end of the imaging camera (4) is provided with a lens (5); The outer shell (2) is provided with a reflecting prism (6), and the reflecting prism (6) has a reflecting surface (61) with an angle of 90°; The side end of the outer shell (2) is provided with a V-shaped collecting end (21), and the reflecting surface (61) of the reflecting prism (6) is arranged correspondingly to the V-shaped collecting end (21), and the image enters the outer shell (2) from the V-shaped collecting end (21), is reflected by the reflecting prism (6) and then enters the lens (5) of the imaging camera (4) to form an image, so as to realize the detection function for the inside of a deep hole.

2. The radiation detection camera of claim 1, wherein: The upper end of the imaging camera (4) is further provided with a light source (7), and the light source (7) is arranged outside the lens (5) in a ring shape.

3. The radiation detection camera of claim 1, wherein: The upper end of the reflecting prism (6) is provided with a pad (8), and the pad (8) is made of flexible material.

4. The radiation detection camera of claim 3, wherein: The center area of the cover (3) is provided with a pressing column (31), and after the cover (3) is installed relative to the outer shell (2), the pressing column (31) presses the reflecting prism (6) through the pad (8).

5. The radiation detection camera of claim 1, wherein: The upper end of the outer shell (2) is provided with a mounting end (22), and a plurality of vertical grooves (23) are arranged equidistantly on the mounting end (22) in a ring shape.

6. The radiation detection camera of claim 1, wherein: The bottom shell (1), the outer shell (2) and the cover (3) are all made of tungsten alloy material, which is used for preventing nuclear radiation.

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