Two-dimensional displacement scanning imaging verification system

Abstract

The invention discloses a two-dimensional displacement scanning imaging verification system, and relates to the technical field of scanning imaging optical systems. Comprising a metal shielding chamber, an optical bread board is arranged in the metal shielding chamber, a two-groove sliding table is arranged in the optical bread board, an acquisition box is arranged on one side of the two-groove sliding table, a camera assembly is arranged in the acquisition box, and the camera assembly comprises a power panel, a camera, a universal information acquisition board and a detector front placing board. The universal information acquisition board is connected with the detector front placing board through the soft board, the detector installation board is arranged on the detector front placing board, the detector is installed on the detector installation board, the detector is matched with the light source and the target board, the target board is connected with the two-axis displacement table, and the two-axis displacement table is connected with the upper computer through the motor controller. And a data and control interface on the universal information acquisition board is connected with an upper computer. The device is reasonable in structural design, and the acquisition terminal can realize the movement of the imaging target plate by controlling the displacement motor under the condition that the optical device and the light source are not moved, so that scanning imaging is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of scanning imaging optical systems, and in particular to a two-dimensional displacement scanning imaging verification system. Background Art

[0002] The two-dimensional displacement scanning imaging verification system mainly completes the imaging verification of unit visible, infrared unit, small linear array, and small area array detectors. The entire system can replace the detector components to achieve the verification imaging of detectors in various bands. Currently, there is no test system for the response of a single detector to light in the two-dimensional imaging on the market, and there is no system specifically used for the performance verification of single-pixel detectors of optical materials.

[0003] In summary, the present invention designs a two-dimensional displacement scanning imaging verification system. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a two-dimensional displacement scanning imaging verification system with a reasonable structural design. When the optical device and the light source do not move, the acquisition terminal can control the displacement motor to realize the movement of the imaging target plate, thereby realizing scanning imaging.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a two-dimensional displacement scanning imaging verification system, including a metal shielding chamber, an optical breadboard is arranged in the metal shielding chamber, a two-slot slide is arranged in the optical breadboard, a collection box is arranged on one side of the two-slot slide, a camera assembly is arranged in the collection box, the camera assembly includes a power board, a camera, a universal information acquisition board and a detector front amplifier board, the universal information acquisition board is connected to the detector front amplifier board through a soft board, a detector mounting board is arranged on the detector front amplifier board, a detector is mounted on the detector mounting board, the detector cooperates with a light source and a target board, the target board is connected to a two-axis displacement stage, the two-axis displacement stage is connected to a host computer through a motor controller, and the data and control interface on the universal information acquisition board is connected to the host computer.

[0006] Preferably, limit blocks are fixed on both sides of the ends of the two-slot slide by micro bolts.

[0007] Preferably, the light source is connected to a host computer via a control interface and a power line.

[0008] Preferably, the universal information acquisition board is also connected to an indicator light.

[0009] Preferably, a radiation detector is arranged outside the metal shielding chamber.

[0010] Preferably, the two-axis translation stage is controlled by a host computer to achieve a scanning range in the horizontal and vertical directions.

[0011] Preferably, the universal information acquisition board performs signal acquisition, supplies power to the detector, realizes weak signal acquisition and amplification, and performs AD quantization. The detector is replaceable, gain and sampling rate are adjustable, and continuous scanning and intermittent scanning are supported.

[0012] Preferably, the detector interface adopts an ARIS high-performance 28PIN locking socket, which is convenient for replacing the detector and can support the installation of five detectors. The host computer software can send instructions to select a detector for testing.

[0013] The present invention can move through a two-axis translation stage (linear screw translation stage) to adjust the distance between the light source and the target plate to change the position of the light source; the detector mounting plate in the camera assembly can move through a linear screw translation stage to adjust the distance between the detector and the target plate, thereby achieving focusing.

[0014] Beneficial effects of the present invention: The optical system of the present invention is used for target imaging, can complete imaging from visible light to infrared band, has focusing and positioning function, and the focal plane positioning accuracy is better than 1mm; BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments;

[0016] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0018] Reference Figure 1 This specific embodiment adopts the following technical scheme: a two-dimensional displacement scanning imaging verification system, including a metal shielding chamber 1, an optical breadboard 2 is arranged in the metal shielding chamber 1, a two-slot slide 3 is arranged in the optical breadboard 2, a collection box 4 is arranged on one side of the two-slot slide 3, a camera assembly is arranged in the collection box 4, the camera assembly includes a power board 5, a camera 6, a universal information acquisition board 7 and a detector front amplifier board 8, the universal information acquisition board 7 is connected to the detector front amplifier board 8 through a soft board 9, a detector mounting board 10 is arranged on the detector front amplifier board 8, a detector 11 is installed on the detector mounting board 10, the detector 11 cooperates with a light source 12 and a target board 13, the target board 10 is connected to a two-axis displacement stage 14, the two-axis displacement stage 14 is connected to a host computer 16 through a motor controller 15, and a data and control interface 71 on the universal information acquisition board 7 is connected to the host computer 16.

[0019] It is worth noting that the two ends of the two-slot slide 3 are fixed with limit blocks 32 by fine-motion bolts 31 .

[0020] It is worth noting that the light source 12 is connected to the host computer 16 via a control interface and a power line.

[0021] It is worth noting that the universal information acquisition board 7 is also connected to the indicator light 17 .

[0022] It is worth noting that a radiation detector 18 is arranged outside the metal shielding chamber 1 .

[0023] It is worth noting that the two-axis translation stage 14 is controlled by a host computer to achieve a scanning range in the horizontal and vertical directions.

[0024] It is worth noting that the universal information acquisition board 7 performs signal acquisition, supplies power to the detector, realizes weak signal acquisition and amplification, and performs AD quantization. The detector is replaceable, the gain and sampling rate are adjustable, and continuous scanning and intermittent scanning are supported.

[0025] In addition, the detector 11 interface adopts ARIS high-performance 28PIN locking socket, which is convenient for replacing detectors and can support the installation of 5 detectors. The host computer software can send instructions to select a detector for testing.

[0026] In this specific implementation, the acquisition terminal can control the displacement motor (two-axis displacement table) to achieve the movement of the imaging target plate without moving the optical device and the light source, thereby realizing scanning imaging. The entire system can replace the detector assembly (optical device) to achieve verification imaging of detectors in various bands, and is used for imaging verification of infrared units, visible units, ultraviolet units, X-ray unit detectors, small linear arrays, and small area array detectors.

[0027] This specific implementation adopts a universal signal acquisition circuit for signal acquisition design. The information acquisition circuit has the ability to power the detector, can realize weak signal acquisition and amplification, and perform AD quantization. The gain of the conditioning circuit is adjustable and the sampling rate can be designed according to needs.

[0028] In this specific implementation manner, the host computer has built-in host computer software for two-dimensional translation stage control and data acquisition and imaging, and the functions of the host computer software are as follows: A. Realize two-dimensional translation stage scanning control and image acquisition self-synchronization; B. The data acquisition software has the function of real-time image display; C. The data acquisition software has the function of deframing the original image data; D. The acquisition software can output the image data as a bmp file; E. The data can be stored, and the storage format is .dat.

[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A two-dimensional displacement scanning imaging verification system, characterized in that: The invention comprises a metal shielding chamber (1), wherein an optical breadboard (2) is arranged in the metal shielding chamber (1), wherein a two-slot slide table (3) is arranged in the optical breadboard (2), wherein a collection box (4) is arranged on one side of the two-slot slide table (3), wherein a camera assembly is arranged in the collection box (4), wherein the camera assembly comprises a power board (5), a camera (6), a universal information acquisition board (7) and a detector front amplifier board (8), wherein the universal information acquisition board (7) is connected to the detector front amplifier board (9) via a soft board (9). 8), a detector mounting plate (10) is arranged on the detector front plate (8), a detector (11) is mounted on the detector mounting plate (10), the detector (11) cooperates with a light source (12) and a target plate (13), the target plate (10) is connected to a two-axis displacement stage (14), the two-axis displacement stage (14) is connected to a host computer (16) via a motor controller (15), and a data and control interface (71) on the universal information acquisition board (7) is connected to the host computer (16).

2. A two-dimensional displacement scanning imaging verification system according to claim 1, characterized in that: Limit blocks are fixed on both sides of the ends of the two-groove slide (3) by means of micro-motion bolts.

3. A two-dimensional displacement scanning imaging verification system according to claim 1, characterized in that: The light source (12) is connected to the host computer (16) via a control interface and a power line.

4. A two-dimensional displacement scanning imaging verification system according to claim 1, characterized in that: The universal information acquisition board (7) is also connected to an indicator light (17).

5. The two-dimensional displacement scanning imaging verification system according to claim 1, characterized in that: A radiation detector (18) is arranged outside the metal shielding chamber (1).

6. The two-dimensional displacement scanning imaging verification system according to claim 1, characterized in that: The two-axis translation stage (14) is controlled by a host computer to achieve a scanning range in the horizontal and vertical directions.

7. The two-dimensional displacement scanning imaging verification system according to claim 1, characterized in that: The universal information acquisition board (7) performs signal acquisition, supplies power to the detector, collects and amplifies weak signals, and performs AD quantification.

8. The two-dimensional displacement scanning imaging verification system according to claim 1, characterized in that: The detector (11) interface adopts an ARIS28PIN locking socket.

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