Device for automatically replacing radon daughter measurement filter paper

By designing an automatic filter paper replacement device for radon progeny measurement, the device utilizes components such as a paper feeding mechanism and counting bearings to automate filter paper replacement, solving the problem of cumbersome filter paper replacement in existing technologies, improving the efficiency and accuracy of radon monitoring, and reducing operational complexity and cost.

CN224019994UActive Publication Date: 2026-03-20SAIRUI HUANYI (BEIJING) TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520667673.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-20
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

The filter paper replacement process in existing radon monitoring equipment is cumbersome and requires professional personnel to operate in a strict environment, which increases the difficulty and cost of maintenance.

Method used

Design an automatic radon proton measuring filter paper replacement device. The device uses components such as a paper feeding mechanism, an active rotating shaft, a driven rotating shaft, and a lifting motor to realize the automatic replacement and monitoring of the test paper. The device uses a counting bearing and a display and control module for automatic judgment and display, simplifying the operation steps.

Benefits of technology

It improves the efficiency and accuracy of radon monitoring, reduces operational complexity and human resource input, and simplifies the filter paper replacement process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224019994U_ABST
    Figure CN224019994U_ABST
Patent Text Reader

Abstract

The utility model discloses a device for automatically replacing radon daughter measurement filter paper. The device comprises a paper feeding mechanism which is fixedly arranged on the inner side of a cabin body and is used for conveniently replacing radon monitoring test paper. When radon monitoring is carried out, the paper feeding motor drives the driving rotating shaft to rotate through the transmission structure, test paper is pulled from the surface of the driven rotating shaft to the surface of the driving rotating shaft, and the test paper passes through the telescopic end of the lifting motor under the guiding action of the guiding rotating shaft and the guiding block; test paper is extruded towards the outer side and makes contact with the surface of a semiconductor detector of the radon daughter measuring module, radon is monitored, counting is conducted through a counting bearing in the using process, the using number of the test paper is monitored, after it is monitored that the test paper is used up, displaying is conducted through a display control module, the radon monitoring efficiency and accuracy are improved, and the radon daughter measuring device is suitable for popularization and application. Meanwhile, the test paper replacement process is simplified, and the operation complexity is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to filter paper box technical field especially, relates to a device of automatic replacement radon daughter measurement filter paper. BACKGROUND

[0002] In the existing radon monitoring technology, filter paper as a kind of key consumables is used to capture and accumulate radon and its daughter in air, to carry out accurate detection analysis.

[0003] However, this filter paper has certain limitation in use process. First, due to the limitation of its filtering function, filter paper must be replaced after a period of use, to ensure the accuracy and reliability of monitoring data. This replacement process is not only cumbersome, but also needs professional personnel to carry out in strict environment, which increases the difficulty and workload of maintenance, secondly, due to the high sensitivity of radon monitoring to environmental conditions, the replacement frequency of filter paper is often higher, which undoubtedly increases the monitoring cost and human resource investment. UTILITY MODEL CONTENT

[0004] One purpose of the utility model is to provide a kind of device of automatic replacement radon daughter measurement filter paper, the utility model is to solve the problem that the filter paper replacement process of traditional radon monitoring equipment is not only cumbersome, but also needs professional personnel to carry out in strict environment, which increases the difficulty and workload of maintenance, secondly, due to the high sensitivity of radon monitoring to environmental conditions, the replacement frequency of filter paper is often higher, which undoubtedly increases the monitoring cost and human resource investment.

[0005] According to the device of automatic replacement radon daughter measurement filter paper provided by the utility model embodiment, the paper feeding mechanism for conveniently replacing test paper for radon monitoring is fixedly installed on the inner side of cabin body, the paper feeding mechanism includes paper feeding shell, driving shaft, driven shaft and lifting motor, the driving shaft and the driven shaft are rotatably connected to the inside of paper feeding shell, the paper feeding shell is fixedly connected to the inside of cabin body, the lifting motor is fixedly connected to the inside of paper feeding shell, the side of paper feeding shell is provided with opening, the side of cabin body close to opening is fixedly connected with radon daughter measurement module, the inside of radon daughter measurement module is fixedly connected with semiconductor detector.

[0006] Preferably, the inside of paper feeding mechanism is rotatably connected with counting bearing and guide shaft respectively, the inner side surface of paper feeding mechanism is fixedly connected with guide block for guiding test paper.

[0007] Preferably, the surface of driving shaft and driven shaft is provided with test paper, and the test paper is tightly attached to the telescopic end of lifting motor.

[0008] Preferably, one side of the outer side surface of the paper running shell is fixedly connected with a paper running motor, and the driving rotating shaft is drivingly connected to the output end of the paper running motor through a transmission structure.

[0009] Preferably, the other side of the outer side surface of the paper running shell is fixedly connected with a control unit, and the middle part of the outer side surface of the paper running shell is fixedly connected with a distance measuring unit.

[0010] Preferably, the inner side lower part of the cabin body is fixedly connected with a radon gas measuring module, a constant current sampling module and a power module respectively.

[0011] Preferably, one side of the cabin body is hingedly connected with a cabin cover, and the surface of the cabin cover is fixedly connected with a display control module.

[0012] The beneficial effects of the present application are:

[0013] The paper running mechanism is arranged, and the unused filter paper is wound and placed on the surface of the driven rotating shaft, the driven rotating shaft is rotatably installed on the inner side of the paper running shell, when radon monitoring is performed, the paper running motor drives the driving rotating shaft to rotate through the transmission structure, the filter paper is pulled from the surface of the driven rotating shaft towards the surface of the driving rotating shaft, the filter paper passes through the telescopic end of the lifting motor under the guidance of the guide rotating shaft and the guide block, when the telescopic end of the lifting motor is pushed outwards, the filter paper is extruded outwards and contacts the surface of the semiconductor detector of the radon daughter measuring module, radon monitoring is realized, the number of filter paper used is counted and monitored through the counting bearing during use, when the filter paper is used up, the display control module displays, at this time, the display control module controls the lifting motor to shorten the telescopic end, the filter paper is relaxed, the paper running shell is opened, and the filter paper on the surface of the driven rotating shaft is replaced, the efficiency and accuracy of radon monitoring are improved, the filter paper replacement process is simplified, and the operation complexity is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0015] Fig. 1 A structural schematic view of the device for automatically replacing filter paper for measuring radon daughters is provided;

[0016] Fig. 2 A structural schematic view of the paper running mechanism in the device for automatically replacing filter paper for measuring radon daughters is provided;

[0017] Fig. 3 A structural schematic view of the rear side of the paper running mechanism in the device for automatically replacing filter paper for measuring radon daughters is provided;

[0018] Fig. 1, cabin body; 2, semiconductor detector; 3, radon daughter measurement module; 4, paper feeding mechanism; 401, paper feeding motor; 402, transmission structure; 403, distance measuring unit; 404, control unit; 405, driving shaft; 406, driven shaft; 407, counting bearing; 408, guide shaft; 409, guide block; 410, paper feeding shell; 411, lifting motor; 5, radon gas measurement module; 6, constant current sampling module; 7, power module; 8, cabin cover; 9, display and control module. DETAILED DESCRIPTION

[0019] The utility model will be explained further in detail now in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic way, so it only shows the structure related to the utility model.

[0020] Reference Figs. 1-3 A device for automatically replacing radon daughter measurement filter paper, comprising a paper feeding mechanism 4 fixedly installed on the inner side of a cabin body 1 for conveniently replacing test paper for radon monitoring, the paper feeding mechanism 4 comprising a paper feeding shell 410, a driving shaft 405, a driven shaft 406 and a lifting motor 411, the driving shaft 405 and the driven shaft 406 being rotatably connected to the two sides of the inside of the paper feeding shell 410 respectively, the paper feeding shell 410 being fixedly connected to the inside of the cabin body 1, the lifting motor 411 being fixedly connected to one side of the inside of the paper feeding shell 410, one side of the paper feeding shell 410 being provided with an opening, one side of the cabin body 1 close to the opening being fixedly connected with a radon daughter measurement module 3, the inside of the radon daughter measurement module 3 being fixedly connected with a semiconductor detector 2, unused test paper being wound and placed on the surface of the driven shaft 406, the driven shaft 406 being rotatably installed on the inside of the paper feeding shell 410, when radon monitoring is carried out, the paper feeding motor 401 drives the driving shaft 405 to rotate through the transmission structure 402, the test paper is pulled from the surface of the driven shaft 406 towards the surface of the driving shaft 405, the test paper passes through the telescopic end of the lifting motor 411 under the guidance of the guide shaft 408 and the guide block 409, when the telescopic end of the lifting motor 411 is telescoped outwards, the test paper is extruded outwards and contacts the surface of the semiconductor detector 2 of the radon daughter measurement module 3, so that radon monitoring is realized, the use amount of the test paper is counted and monitored through the counting bearing 407 during use, when it is monitored that the test paper is used up, the display and control module 9 displays it, at this time, the display and control module 9 controls the lifting motor 411 to shorten the telescopic end, the test paper is relaxed, the paper feeding shell 410 is opened, and the test paper on the surface of the driven shaft 406 can be replaced, so that the efficiency and accuracy of radon monitoring are improved, the test paper replacement process is simplified, and the operation complexity is reduced.

[0021] The inner side of the paper feeding mechanism 4 is respectively rotationally connected with a counting bearing 407 and a guide rotating shaft 408, the inner side surface of the paper feeding mechanism 4 is fixedly connected with a guide block 409 for guiding the test paper, the surfaces of the driving rotating shaft 405 and the driven rotating shaft 406 are provided with the test paper, the test paper is tightly attached to the telescopic end of the lifting motor 411, one side of the outer side surface of the paper feeding shell 410 is fixedly connected with a paper feeding motor 401, the driving rotating shaft 405 is drivingly connected to the output end of the paper feeding motor 401 through a transmission structure 402, the other side of the outer side surface of the paper feeding shell 410 is fixedly connected with a control unit 404, the middle part of the outer side surface of the paper feeding shell 410 is fixedly connected with a distance measuring unit 403 for measuring the use amount of the test paper, so as to judge whether the test paper in the paper feeding mechanism 4 is used up, thereby the test paper can be timely replaced.

[0022] The inner side lower part of the cabin body 1 is respectively fixedly connected with a radon gas measuring module 5, a constant current sampling module 6 and a power module 7, one side of the cabin body 1 is hingedly connected with a cabin cover 8, the surface of the cabin cover 8 is fixedly connected with a display control module 9.

[0023] In use, after the device is started, the paper feeding motor 401 drives the driving rotating shaft 405 to rotate through the transmission structure 402, so as to pull the test paper to move from the surface of the driven rotating shaft 406 to the surface of the driving rotating shaft 405, under the guiding action of the guide rotating shaft 408 and the guide block 409, the test paper passes through the telescopic end of the lifting motor 411, when the lifting motor 411 pushes out the telescopic end, the test paper is squeezed and tightly attached to the surface of the semiconductor detector 2 in the radon body measuring module 3, radon monitoring is carried out, at the same time, the counting bearing 407 counts the use amount of the test paper, the distance measuring unit 403 measures the use amount of the test paper, so as to judge whether the test paper is used up, when the display control module 9 displays that the test paper is used up, the operator controls the lifting motor 411 to shorten the telescopic end through the display control module 9, the test paper is relaxed, then the paper feeding shell 410 is opened, the test paper on the surface of the driven rotating shaft 406 is replaced, in addition, the radon gas measuring module 5, the constant current sampling module 6 and the power module 7 are fixedly connected in the cabin body 1, the display control module 9 on the cabin cover 8 is used for displaying the monitoring data and the operation state, the whole process realizes automatic replacement of the test paper, improves the monitoring efficiency and accuracy, and simplifies the operation steps.

[0024] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for automatically replacing radon progeny measuring filter paper, characterized in that, The device includes a paper feeding mechanism (4) for convenient replacement of test strips for radon monitoring, which is fixedly installed inside the chamber (1). The paper feeding mechanism (4) includes a paper feeding shell (410), an active rotating shaft (405), a driven rotating shaft (406), and a lifting motor (411). The active rotating shaft (405) and the driven rotating shaft (406) are rotatably connected to the inside of the paper feeding shell (410) on both sides. The paper feeding shell (410) is fixedly connected to the inside of the chamber (1). The lifting motor (411) is fixedly connected to one side of the inside of the paper feeding shell (410). An opening is provided on one side of the paper feeding shell (410). A radon proton measurement module (3) is fixedly connected to the side of the chamber (1) near the opening. A semiconductor detector (2) is fixedly connected inside the radon proton measurement module (3).

2. The device for automatically replacing radon progeny measuring filter paper according to claim 1, characterized in that, The inner side of the paper feeding mechanism (4) is rotatably connected to a counting bearing (407) and a guide shaft (408), and the inner surface of the paper feeding mechanism (4) is fixedly connected to a guide block (409) for guiding the test paper.

3. The device for automatically replacing radon progeny measuring filter paper according to claim 1, characterized in that, Test strips are provided on the surfaces of both the active rotating shaft (405) and the driven rotating shaft (406), and the test strips are in close contact with the telescopic end of the lifting motor (411).

4. The device for automatically replacing radon progeny measuring filter paper according to claim 1, characterized in that, A paper feeding motor (401) is fixedly connected to one side of the outer surface of the paper feeding housing (410), and the active rotating shaft (405) is connected to the output end of the paper feeding motor (401) through a transmission structure (402).

5. The device for automatically replacing radon progeny measuring filter paper according to claim 1, characterized in that, A control unit (404) is fixedly connected to the other side of the outer surface of the paper feed housing (410), and a ranging unit (403) is fixedly connected to the middle part of the outer surface of the paper feed housing (410).

6. The device for automatically replacing radon progeny measuring filter paper according to claim 1, characterized in that, The lower inner side of the cabin (1) is fixedly connected to a radon gas measurement module (5), a constant current sampling module (6), and a power supply module (7).

7. The device for automatically replacing radon progeny measuring filter paper according to claim 1, characterized in that, A hatch cover (8) is hinged to one side of the cabin (1), and a display and control module (9) is fixedly connected to the surface of the hatch cover (8).