Calibrating device for surface pollution monitor

Abstract

The utility model discloses a calibration device for a surface pollution monitor, which comprises a connecting rod, a rotating disc which is rotatably connected with the connecting rod and is used for accommodating a standard plane source, and a storage disc which is connected with the connecting rod and can do lifting motion along the axial direction of the connecting rod, and the rotating disc is provided with a plurality of accommodating grooves for accommodating the standard plane source. And the surface pollution monitor is mounted on the storage tray. According to the calibration device for the surface pollution monitor, the turntable is rotationally connected with the connecting rod, and the turntable is provided with a plurality of accommodating grooves, so that automatic switching of a standard plane source can be realized by driving the turntable to rotate, the calibration efficiency is improved, switching and positioning of the standard plane source and the to-be-calibrated instrument can be realized, the time and energy of manual operation are saved, and the calibration efficiency is improved. The labor cost is reduced, the risk of personal error is also reduced, and the investment of human resources is saved.

Description

Technical Field

[0001] The utility model relates to the field of ionization radiation instrument metrology calibration, and particularly relates to a calibration device for a surface contamination monitor. Background Art

[0002] The calibration of a surface contamination monitor is usually carried out by placing the instrument to be calibrated above a standard planar source (5 mm for an α surface contamination monitor and 10 mm for a β surface contamination monitor), then recording and processing the instrument readings, and finally generating an original record and a calibration certificate. However, there are some problems in the traditional calibration process, such as the standard planar source is easily scratched due to frequent replacement of the standard source, the selection of calibration points is highly subjective, the consistency is low, and the calibration efficiency is low. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a calibration device for a surface contamination monitor.

[0004] The technical solution adopted by the utility model to solve its technical problem is: constructing a calibration device for a surface contamination monitor, a standard planar source is correspondingly arranged for the surface contamination monitor, which includes a connecting rod, a turntable rotatably connected to the connecting rod and used for accommodating the standard planar source, and a placing tray connected to the connecting rod and capable of moving up and down along the axial direction of the connecting rod;

[0005] A plurality of accommodating grooves for accommodating the standard planar source are formed on the turntable;

[0006] The surface contamination monitor is installed on the placing tray.

[0007] In some embodiments, the calibration device for the surface contamination monitor further includes a rotation driver installed on the connecting rod and used for driving the turntable to rotate.

[0008] In some embodiments, the rotation driver is a stepping motor.

[0009] In some embodiments, the calibration device for the surface contamination monitor further includes a lifting driver installed on the connecting rod and used for driving the placing tray to move up and down.

[0010] In some embodiments, the lifting driver is a stepping motor.

[0011] In some embodiments, the calibration device for the surface contamination monitor further includes a camera installed on the connecting rod and used for acquiring a data image of the surface contamination monitor.

[0012] In some embodiments, the surface contamination monitor calibration device further includes a control system, which is communicatively connected to the lifting driver, the camera, and the rotation driver.

[0013] In some embodiments, the surface contamination monitor calibration device further includes a base installed at the bottom of the connecting rod.

[0014] In some embodiments, the base is fixedly connected to the connecting rod by welding, or the base is detachably connected to the connecting rod.

[0015] In some embodiments, the number of the accommodating grooves is three, and the three accommodating grooves are arranged at intervals along the central axis of the connecting rod.

[0016] Implementing the present utility model has the following beneficial effects: The turntable of the surface contamination monitor calibration device is rotatably connected to the connecting rod, and a plurality of accommodating grooves are provided on the turntable. The automatic switching of the standard plane source can be realized by driving the rotation of the turntable, which improves the calibration efficiency. The switching and positioning of the standard plane source and the instrument to be calibrated can be realized, saving the time and energy of manual operation, reducing the labor cost, and also reducing the risk of human error, saving the investment in human resources. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions of the present utility model, the present utility model will be further described below in conjunction with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0018] Figure 1 is a schematic structural diagram of the surface contamination monitor calibration device in some embodiments of the present utility model. Detailed Description of the Embodiments

[0019] In order to have a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model will now be described in detail with reference to the drawings. In the following description, it should be understood that the orientation or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are based on the orientation or positional relationships shown in the drawings, and are constructed and operated in a specific orientation, only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0020] It should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "connection", "linkage", "fixation", "setting" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. When a component is referred to as "above" or "below" another component, the component can be "directly" or "indirectly" located above the other component, or there may also be one or more intermediate components. Terms such as "first", "second", "third", etc. are only for the convenience of describing the technical solution, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0021] Please refer to Figure 1 , which is a calibration device for a surface contamination monitor in some embodiments of the present utility model. A standard plane source is correspondingly provided for the surface contamination monitor, and the surface contamination monitor can be an α or β surface contamination monitor. The calibration device for the surface contamination monitor includes a connecting rod 1, a turntable 2 rotatably connected to the connecting rod 1 and used for accommodating the standard plane source, and an object placing plate 3 connected to the connecting rod 1 and capable of moving up and down along the axial direction of the connecting rod 1. A plurality of accommodating grooves 21 for accommodating the standard plane source are formed on the turntable 2, and the surface contamination monitor is installed on the object placing plate 3.

[0022] It can be understood that the calibration of a surface contamination monitor is usually carried out by placing the instrument to be calibrated above the standard plane source, usually at a distance of 5 mm or 10 mm, then recording and processing the readings of the surface contamination monitor, and finally generating an original record and a calibration certificate. In the present utility model, however, accommodating grooves 21 are provided on the turntable 2 for accommodating the standard plane source, and the standard plane source is fixed in the accommodating grooves 21 to ensure the stability and accuracy of its position. In addition, the object placing plate 3 is used to place the surface contamination monitor to be calibrated. The object placing plate 3 is located above the turntable 2 and can move up and down to different heights along the axial direction of the connecting rod 1. For example, the α instrument can be measured at a place 5 mm above the turntable 2, and the β instrument can be measured at a place 10 mm above the turntable 2. At the same time, since the turntable 2 is rotatably connected to the connecting rod 1 and a plurality of accommodating grooves 21 are provided on the turntable 2, automatic switching of the standard plane source can be realized by driving the rotation of the turntable 2, improving the calibration efficiency. The switching and positioning of the standard plane source and the instrument to be calibrated can be realized, saving the time and effort of manual operation, reducing the labor cost, and also reducing the risk of human error and saving the input of human resources.

[0023] In this embodiment, the number of the accommodating grooves 21 is three, and the three accommodating grooves 21 are arranged separately along the central axis of the connecting rod 1. In some other embodiments, the number of the accommodating grooves 21 can be adjusted according to actual requirements, and no specific limitation is made here.

[0024] Specifically, the surface contamination monitor calibration device further includes a rotation driver 4 installed on the connecting rod 1 and used to drive the turntable 2 to perform a rotational motion, and a lifting driver (not shown) installed on the connecting rod 1 and used to drive the placing plate 3 to perform a lifting motion. The rotation driver 4 and the lifting driver can both be stepper motors. In some other embodiments, the rotation driver 4 and the lifting driver can also be servo motors, cylinders or other driving devices.

[0025] Furthermore, the surface contamination monitor calibration device further includes a camera 6 installed on the connecting rod 1 and used to acquire the data image of the surface contamination monitor. In addition, the surface contamination monitor calibration device further includes a control system, and the control system is communicatively connected to the lifting driver, the camera 6, and the rotation driver 4. The camera 6 can be an intelligent camera, which can be located above the placing plate 3 and used to acquire the data image of the surface contamination monitor. Then the control system acquires data through this camera 6 to record, store and process the data of the surface contamination monitor. At the same time, the control system can also control the motions of the lifting driver and the rotation driver 4.

[0026] In addition, the surface contamination monitor calibration device further includes a base 7 installed at the bottom of the connecting rod 1. The base 7 and the connecting rod 1 can be fixedly connected by welding, or the base 7 and the connecting rod 1 can be detachably connected. The base 7 is used to position and support the connecting rod 1.

[0027] The working principle of the surface contamination monitor calibration device is as follows:

[0028] Place the surface contamination monitor to be calibrated on the placing plate 3, place a plurality of standard plane sources on the accommodating grooves 21 of the turntable 2 respectively, and then start the rotation driver 4 through the control system to drive the turntable 2 to rotate. When the turntable 2 rotates, the standard plane sources will sequentially enter the detection position of the surface contamination monitor. At each different detection position, the camera 6 will acquire the real-time data image of the surface contamination monitor and transmit it to the control system. The control system immediately records, stores and processes the data, and generates an original record and a calibration report during the calibration process. During the working process of the surface contamination monitor calibration device, if it is necessary to calibrate different types of surface contamination monitors, the height position of the placing plate 3 can be adjusted through the lifting driver.

[0029] The beneficial effects of the surface contamination monitor calibration device are as follows:

[0030] 1. Improve calibration accuracy: The standard plane source is automatically switched by the rotating driver 4 and the camera 6 automatically reads the instrument data, which reduces the influence of human error and subjective judgment on the calibration result. The stable position and accurate placement of the standard plane source ensure the consistency and accuracy of the calibration point, thereby improving the accuracy of calibration;

[0031] 2. Improve calibration efficiency: Compared with the traditional method of manually selecting and recording calibration points, the automated design of the surface contamination monitor calibration device greatly improves the calibration efficiency. The application of the rotary drive 4 and the lifting drive can quickly and accurately realize the switching and positioning of the standard plane source and the surface contamination monitor to be calibrated, saving the time and energy of manual operation;

[0032] 3. Simplify the operation process: Use the camera 6 to read the data image of the surface contamination monitor and connect it to the control system in real time, eliminating the need for manual data recording and tedious data processing. In addition, the control system can automatically record, store and process data, further simplifying the operation process. The user only needs to make a small amount of settings and command input on the control system to complete the entire calibration process;

[0033] 4. Improve data traceability: With the support of the control system, the data during the calibration process is automatically recorded and stored. At the same time, the control system can instantly generate calibration reports, including original records and calibration certificates. These reports record detailed information during the calibration process, making it convenient for users to review and examine the calibration results at any time, improving the traceability and transparency of the calibration data;

[0034] 5. Reduce labor costs: The traditional calibration process requires professionals to perform tedious operations, while the surface contamination monitor calibration device effectively reduces the need for manual operation, which not only greatly reduces labor costs, but also reduces the risk of human errors and saves human resource investment.

[0035] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the utility model. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the utility model, the above-mentioned technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. A surface contamination monitor calibration device, wherein the surface contamination monitor is provided with a standard plane source, characterized in that: It comprises a connecting rod (1), a turntable (2) rotatably connected to the connecting rod (1) and used to accommodate the standard plane source, and a storage plate (3) connected to the connecting rod (1) and capable of lifting and lowering along the axial direction of the connecting rod (1); The rotating disk (2) is provided with a plurality of accommodating grooves (21) for accommodating the standard plane sources; The surface contamination monitor is mounted on the storage tray (3).

2. The surface contamination monitor calibration device according to claim 1, characterized in that: The surface contamination monitor calibration device also includes a rotary driver (4) mounted on the connecting rod (1) and used to drive the rotary disc (2) to perform a rotary motion.

3. The surface contamination monitor calibration device according to claim 2, characterized in that: The rotary driver (4) is a stepping motor.

4. The surface contamination monitor calibration device according to claim 2, characterized in that: The surface contamination monitor calibration device also includes a lifting driver installed on the connecting rod (1) and used to drive the storage tray (3) to perform lifting movement.

5. The surface contamination monitor calibration device according to claim 4, characterized in that: The lifting driver is a stepping motor.

6. The surface contamination monitor calibration device according to claim 4, characterized in that: The surface contamination monitor calibration device also includes a camera (6) mounted on the connecting rod (1) and used to obtain a data image of the surface contamination monitor.

7. The surface contamination monitor calibration device according to claim 6, characterized in that: The surface contamination monitor calibration device also includes a control system, and the control system is communicatively connected to the lifting drive, the camera (6), and the rotating drive (4).

8. The surface contamination monitor calibration device according to claim 1, characterized in that: The surface contamination monitor calibration device also includes a base (7) mounted on the bottom of the connecting rod (1).

9. The surface contamination monitor calibration device according to claim 8, characterized in that: The base (7) and the connecting rod (1) are fixedly connected by welding, or the base (7) and the connecting rod (1) are detachably connected.

10. The surface contamination monitor calibration device according to claim 1, characterized in that: The number of the accommodating grooves (21) is three, and the three accommodating grooves (21) are arranged in a spaced-apart manner along the central axis of the connecting rod (1).

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