Control method of full-automatic alpha-beta radioactive aerosol on-line monitoring device

Abstract

The invention discloses a control method of an automatic alpha-beta radioactive aerosol on-line monitoring device, which is characterized in that the control method comprises the following steps: a control system determines a rotation original point of a storage rack; an automatic mechanical arm is controlled to clamp a filter membrane box from a storage frame and place the filter membrane box on a membrane pressing tray, a fan working filter membrane collects aerosol in air, and after collection is completed, a power source pushes a pressing mechanism to move downwards to press the filter membrane box and then reset. The automatic mechanical arm moves to clamp and place the filter membrane box on the positioning mechanism to position the filter membrane box, after positioning is completed, a filter membrane is clamped to the conveying mechanism, the filter membrane box is conveyed into the detection equipment to be detected, and after detection, the automatic mechanical arm clamps the filter membrane box and places the filter membrane box back to the storage frame. The control system cooperatively controls the storage frame, the mechanical arm, the film pressing mechanism, the positioning mechanism, the conveying mechanism and the detection equipment, automation of the whole process from filter film taking and placing, aerosol collecting, pressing and positioning, conveying to detection is achieved, and the monitoring efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of radioactive aerosol online monitoring devices, in particular to a control method of an automatic alpha-beta radioactive aerosol online monitoring device. BACKGROUND

[0002] With the continuous development of nuclear energy technology, radioactive medicine and industrial applications, the monitoring of alpha and beta radioactive aerosols in the environment becomes particularly important. Once radioactive aerosols are leaked or accumulated, they may pose a serious threat to human health and environmental safety. In existing technologies, the sampling and collection process has limited automation, and the filter membrane box containing the filter membrane needs to be manually transported. The sampling, detection and storage processes still require a lot of manual intervention, and it is difficult to meet the real-time monitoring requirements of high frequency and high precision. Therefore, a control method of an automatic alpha-beta radioactive aerosol online monitoring device is proposed. SUMMARY

[0003] The purpose of the present application is to solve the above problems by providing a control method of an automatic alpha-beta radioactive aerosol online monitoring device.

[0004] In order to achieve the above purpose, the present application provides the following technical scheme: a control method of an automatic alpha-beta radioactive aerosol online monitoring device, characterized in that the control method is as follows: The control system controls the rotation of the storage rack, and the first photoelectric switch sends a signal to the control system after sensing the first photoelectric baffle, the control system controls the storage rack to stop rotating, and determines the origin of the rotation of the storage rack; The control system controls the movement of the automatic mechanical arm to clamp the filter membrane box containing the filter membrane from the storage rack and place it on the membrane pressing tray, and controls the fan to work, the filter membrane collects aerosols in the air, and after reaching the set collection time, the control system controls the fan to stop working, at the same time, the power source drives the pressing mechanism to move downward to press the filter membrane box, when the lower photoelectric switch senses the second photoelectric baffle and sends a signal to the control system, the control system controls the power source to continue to move downward to drive the pressing mechanism to reset, when the upper photoelectric switch senses the second photoelectric baffle and sends a signal to the control system, the control system controls the power source to stop working; The control system controls the movement of the automatic mechanical arm to clamp the filter membrane box on the membrane pressing tray and place it on the positioning mechanism, the control system controls the positioning mechanism to position the filter membrane box, after positioning is completed, the positioning mechanism is reset, at the same time, the automatic mechanical arm clamps the filter membrane box and places it on the conveying mechanism; The control system controls the conveying mechanism to convey the filter membrane box into the detection equipment, if the second photoelectric switch senses the third photoelectric baffle and sends a signal to the control system, the control system controls the conveying mechanism to stop conveying, at the same time, controls the detection equipment to detect the filter membrane sheet on the filter membrane box, when the detection is completed, the detection equipment transmits the detection data to the control system, the control system receives the conveying data and controls the conveying mechanism to drive the filter membrane box to reset, if the third photoelectric switch senses the third photoelectric baffle and sends a signal to the control system, the control system controls the conveying mechanism to stop conveying, if it is not sensed, the conveying continues; The control system controls the automatic mechanical arm to clamp and place the detected filter membrane box back to the storage rack, the clamping arm on the automatic mechanical arm releases the filter membrane box and moves to the top of the filter membrane box, the automatic mechanical arm drives the clamping arm to move downward to press the filter membrane box, the photoelectric sensor senses the filter membrane box and feeds back a signal to the control system, if the photoelectric sensor senses the filter membrane box, the control system controls the automatic mechanical arm to clamp a new filter membrane box, if one of the photoelectric sensors does not sense the filter membrane box, the control system controls the automatic mechanical arm to move, so that the end of the clamping arm on the automatic mechanical arm is aligned with the outer wall of the filter membrane box, and the filter membrane box is pushed inward, the photoelectric sensor senses the filter membrane box again, until the photoelectric sensor senses the filter membrane box.

[0005] As preferred, after the unused filter membrane and filter membrane box on the storage rack are all sampled, all the filter membranes and filter membrane boxes on the storage rack need to be replaced, when the replacement is performed, the filter membranes and filter membrane boxes can be replaced one by one by manual or the whole storage rack is replaced.

[0006] As preferred, the detection equipment transmits the detected αβ radioactive aerosol data to the control system, the control system compares the detected data with the set threshold value, if the detected data is within the threshold value, the data is stored, if the detected data exceeds the threshold value, the data is stored and an alarm is given.

[0007] As preferred, if the number of times that the clamping arm on the automatic mechanical arm pushes and presses the filter membrane box exceeds the number of times set by the control system, and the photoelectric sensor has not sensed all the filter membrane boxes, the control system gives an alarm, manual intervention is adopted to place the filter membrane box.

[0008] The beneficial effects of the present application: through the cooperation of the control system, the storage rack, the mechanical arm, the film pressing mechanism, the positioning mechanism, the conveying mechanism and the detection equipment, the whole process automation from filter film taking and placing, aerosol collection, pressing and positioning, conveying to detection is realized, the monitoring efficiency is significantly improved, the manual intervention is reduced, and the signals sensed by the photoelectric switch and the photoelectric baffle are fed back to the control system. The control system realizes accurate control of the original point positioning of the storage rack, the reset of the pressing mechanism, the conveying of the filter film box and the like, so that the actions of each executing component are accurate and correct. DETAILED DESCRIPTION

[0009] The control method of the automatic alpha beta radioactive aerosol online monitoring device is further described below in combination with the drawings.

[0010] It should be noted that all directional indications such as up, down, left, right, front, back, etc. in the embodiments of the present application are only used to explain the relative positional relationship, movement condition and the like between components in a certain specific posture shown in the drawings, and if the specific posture changes, the directional indications also change accordingly.

[0011] The control method of the present application is as follows: The control system controls the rotation of the storage rack, the first photoelectric switch senses the first photoelectric baffle and sends a signal to the control system, the control system controls the storage rack to stop rotating, and the original point of the rotation of the storage rack is determined; the first photoelectric switch senses the first photoelectric baffle and sends a signal to the control system, the control system controls the storage rack to stop rotating, and the original point of the rotation of the storage rack is determined, thereby facilitating the determination of the original point of the storage rack and further ensuring the accuracy of the angle rotation of the storage rack; The control system controls the movement of the automatic mechanical arm to clamp the filter film box containing the filter film from the storage rack and place it on the film pressing tray, and controls the fan to work, the filter film collects aerosols in the air, and after reaching the set collection time, the control system controls the fan to stop working, and at the same time controls the power source to drive the pressing mechanism to move downward, and when the lower photoelectric switch senses the second photoelectric baffle, it sends a signal to the control system, the control system controls the power source to continue to move downward to drive the pressing mechanism to reset, and when the upper photoelectric switch senses the second photoelectric baffle, it sends a signal to the control system, the control system controls the power source to stop working; the lower photoelectric switch and the upper photoelectric switch respectively sense the second photoelectric baffle and send the sensed signals to the control system, thereby facilitating the control system to accurately know the movement trajectory of the pressing mechanism, so that the control system accurately controls; The control system controls the movement of the automatic mechanical arm to clamp the filter film box on the film pressing tray and place it on the positioning mechanism, the control system controls the positioning mechanism to position the filter film box, and after positioning is completed, the control system controls the positioning mechanism to reset, and at the same time controls the automatic mechanical arm to clamp the filter film box and place it on the conveying mechanism; The control system controls the conveying mechanism to transport the filter membrane box into the detection equipment. If the second photoelectric switch senses the third photoelectric baffle and sends a signal to the control system, the control system controls the conveying mechanism to stop conveying. At the same time, it controls the detection equipment to detect the filter membrane on the filter membrane box. After the detection is completed, the detection equipment transmits the detected data to the control system. After receiving the transmitted data, the control system controls the conveying mechanism to drive the filter membrane box to reset. If the third photoelectric switch senses the third photoelectric baffle and sends a signal to the control system, the control system controls the conveying mechanism to stop conveying. If it does not sense the baffle, it continues conveying. The detection equipment transmits the detected αβ radioactive aerosol data to the control system. The control system compares the detected data with the set threshold. If the detected data is within the threshold, the data is stored. If the detected data exceeds the threshold, an alarm is triggered during the data storage process. This achieves automated comparison of αβ radioactive aerosol data and automatically alarms the staff in case of excessive levels. The control system controls an automated robotic arm to pick up the inspected filter membrane box and place it back on the storage rack. After the gripping arm on the automated robotic arm releases the filter membrane box, it moves above the filter membrane box. The automated robotic arm then moves the gripping arm downward to press the filter membrane box. Photoelectric sensors detect the filter membrane box and feed the signal back to the control system. If all photoelectric sensors detect the filter membrane box, the control system controls the automated robotic arm to pick up a new filter membrane box. If one photoelectric sensor does not detect the filter membrane box, the control system controls the automated robotic arm to move so that the end of the gripping arm on the automated robotic arm is aligned with the outer wall of the filter membrane box and pushes the filter membrane box inward. The photoelectric sensors then detect the filter membrane box again until all photoelectric sensors detect the filter membrane box. By detecting the placement status of the filter membrane box through photoelectric sensors, combined with the automatic adjustment function of the robotic arm, the placement deviation of the filter membrane box is effectively avoided, improving the stability and reliability of the filter membrane box placement and preventing displacement during the rotation of the storage rack, which would affect normal storage. If the automated robotic arm pushes and presses the filter membrane box more times than the number set by the control system, and the photoelectric sensor has not yet fully detected the filter membrane box, the control system will issue an alarm and require manual intervention to place the filter membrane box, thereby avoiding wasting more time and improving the efficiency of detection. Once all unused filter membranes and filter cartridges on the storage rack have been sampled, all filter membranes and filter cartridges on the storage rack need to be replaced. Replacement can be done manually, one filter membrane and filter cartridge at a time, or the entire storage rack can be replaced. By supporting different replacement methods, it can be adapted to different usage environments.

[0012] The above examples are illustrative of the present application and are not limiting. Other embodiments of the present application will readily occur to those skilled in the art. The application is limited only by the claims.

Claims

1. A control method for an automatic online monitoring device for αβ radioactive aerosols, characterized in that, The control method is as follows: The control system controls the rotation of the storage rack. After the first photoelectric switch senses the first photoelectric baffle, it sends a signal to the control system, which then controls the storage rack to stop rotating and determines the origin of the storage rack's rotation. The control system controls the movement of the automated robotic arm to pick up the filter membrane box containing the filter membrane from the storage rack and place it on the membrane pressing tray. It also controls the fan to work, and the filter membrane collects aerosols in the air. After the set collection time is reached, the control system controls the fan to stop working and controls the power source to push the pressing mechanism to move downward to press the filter membrane box. When the lower photoelectric switch senses the second photoelectric baffle, it sends a signal to the control system. The control system controls the power source to continue to move downward to drive the pressing mechanism to reset. When the upper photoelectric switch senses the second photoelectric baffle, it sends a signal to the control system. The control system controls the power source to stop working. The control system controls the movement of the automated robotic arm to pick up the filter membrane box on the membrane pressing tray and place it on the positioning mechanism. The control system controls the positioning mechanism to position the filter membrane box. After the positioning is completed, the control system controls the positioning mechanism to reset. At the same time, the control system controls the automated robotic arm to pick up the filter membrane box and place it on the conveying mechanism. The control system controls the conveying mechanism to transport the filter membrane box into the testing equipment. If the second photoelectric switch senses the third photoelectric baffle and sends a signal to the control system, the control system controls the conveying mechanism to stop conveying and simultaneously controls the testing equipment to test the filter membrane on the filter membrane box. After the test is completed, the testing equipment transmits the detected data to the control system. After receiving the transmitted data, the control system controls the conveying mechanism to drive the filter membrane box to reset. If the third photoelectric switch senses the third photoelectric baffle and sends a signal to the control system, the control system controls the conveying mechanism to stop conveying. If it does not sense the baffle, it continues to convey. The control system controls an automated robotic arm to pick up the inspected filter membrane box and place it back on the storage rack. After the gripping arm on the automated robotic arm releases the filter membrane box, it moves above the filter membrane box. The automated robotic arm drives the gripping arm to move downward to press the filter membrane box. Photoelectric sensors sense the filter membrane box and feed the signal back to the control system. If all photoelectric sensors sense the filter membrane box, the control system controls the automated robotic arm to pick up a new filter membrane box. If one photoelectric sensor does not sense the filter membrane box, the control system controls the automated robotic arm to move so that the end of the gripping arm on the automated robotic arm is aligned with the outer wall of the filter membrane box and pushes the filter membrane box inward. The photoelectric sensors then sense the filter membrane box again until all photoelectric sensors sense the filter membrane box.

2. The control method for the automatic αβ radioactive aerosol online monitoring device according to claim 1, characterized in that: After all unused filter membranes and filter cartridges on the storage rack have been sampled, all filter membranes and filter cartridges on the storage rack need to be replaced. Replacement can be done manually by replacing the filter membranes and filter cartridges one by one or by replacing the entire storage rack.

3. The control method for the automatic αβ radioactive aerosol online monitoring device according to claim 1, characterized in that: The detection equipment transmits the detected αβ radioactive aerosol data to the control system, which compares the detected data with the set threshold. If the detected data is within the threshold, the data is stored; if the detected data exceeds the threshold, an alarm is triggered during the data storage process.

4. The control method for the automatic αβ radioactive aerosol online monitoring device according to claim 1, characterized in that: If the automated robotic arm pushes and presses the filter membrane box more times than the number set by the control system, and the photoelectric sensor has not yet detected all the filter membrane boxes, the control system will issue an alarm and require manual intervention to place the filter membrane box.