Radiation detection wireless alarm

Abstract

The utility model discloses a radiation detection wireless alarm apparatus, which comprises a gas collection box, a detection box and a purification box, the gas collection box is communicated with the detection box through a first communication pipe, the detection box is communicated with the purification box through a second communication pipe, a detector main body is fixedly arranged in the detection box, and the detector main body is wirelessly connected with a wireless alarm apparatus main body. A lower fixing plate and an upper fixing plate are fixedly mounted in the purifying box, activated carbon is filled between the lower fixing plate and the upper fixing plate, air holes are formed in the lower fixing plate and the upper fixing plate, and a fine filtering mechanism is arranged on the upper fixing plate. Through the arrangement of the activated carbon and the fine filtration mechanism, when the detector main body detects that the gas radiation is slightly higher than the national standard, the gas is filtered, the discharged gas is ensured to meet the national standard, and through the arrangement of the plurality of one-way valves and the electromagnetic valves, the gas circulation in the first communicating pipe, the second communicating pipe and the gas outlet pipe is one-way circulation.

Description

Technical Field

[0001] The utility model relates to the technical field of radiation detection, in particular to a radiation detection wireless alarm. Background Art

[0002] A radiation source refers to a substance or device that can emit ionizing radiation. Radiation sources can be divided into natural radiation sources and artificial radiation sources. Natural radiation sources are divided into: cosmic rays, land radiation sources, radiation sources in the air, radiation sources in water, and radiation sources in the human body; artificial radiation sources can be divided into medical radiation sources, public radiation sources, and occupational radiation sources. At present, the radiation that people can avoid usually comes from hospitals, which usually have good radiation detection equipment and systems. Nuclear medicine is an emerging discipline that uses nuclear technology to diagnose, treat, and study diseases.

[0003] According to the requirements for radiation protection and safety in nuclear medicine (HJ 1188-2021), the derived concentration of radionuclides in the national nuclear medicine workplace and the surrounding air needs to be detected and controlled. For some special wards, an independent ventilation system needs to be ensured, and the effectiveness of the ventilation system filter purifier should be checked regularly. However, it has not been considered what to do when the filter purifier becomes ineffective or ineffective. Therefore, it is necessary to propose a radiation detection wireless alarm. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a radiation detection wireless alarm.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A radiation detection wireless alarm device comprises an air collecting box, a detection box and a purification box, and is characterized in that: the air collecting box is connected to the detection box through a first connecting pipe, the detection box and the purification box are connected through a second connecting pipe, a detector body is fixedly installed in the detection box, the detector body is wirelessly connected to a wireless alarm body, a lower fixing plate and an upper fixing plate are fixedly installed in the purification box, activated carbon is filled between the lower fixing plate and the upper fixing plate, air holes are opened on the lower fixing plate and the upper fixing plate, and a fine filtering mechanism is arranged on the upper fixing plate.

[0007] Preferably, the fine filter mechanism comprises a fixing bar fixedly mounted on the inner side wall of the purification box, a sealing groove is provided on the fixing bar, a filter screen plate is movably arranged on the fixing bar, and a sealing rubber block matching the sealing groove is fixedly mounted on the bottom end of the filter screen plate;

[0008] It is used to finely filter the gas so that the discharged gas meets the national standard requirements. The sealing rubber block and the sealing groove cooperate to ensure the sealing connection between the filter plate and the fixing strip.

[0009] Preferably, some of the air holes are opened at the edge of the lower fixed plate, some of the air holes are opened at the center of the upper fixed plate, the air collecting box is connected to an air inlet pipe, and a maintenance cover is detachably installed on the top of the purification box;

[0010] It is used to increase the gas flow path between the lower fixed plate and the upper fixed plate, so that the gas movement path in the activated carbon is more sufficient, thereby ensuring the adsorption effect of the activated carbon.

[0011] Preferably, the outer side wall of the detection box is connected with an air outlet pipe, the first connecting pipe is provided with a first solenoid valve and a first one-way valve, the air outlet pipe is provided with a second one-way valve and a second solenoid valve in sequence from the detection box to the outside, and the second connecting pipe is provided with a third solenoid valve and a third one-way valve;

[0012] The direction of the first one-way valve is from the gas collecting box to the detection box, the direction of the second one-way valve is from the detection box to the outside, and the direction of the third one-way valve is from the detection box to the purification box;

[0013] Used to ensure one-way flow of gas and avoid gas backflow.

[0014] Preferably, an alarm light is arranged on the top of the main body of the wireless alarm instrument, and an alarm speaker is arranged on the side wall of the main body of the wireless alarm instrument.

[0015] The utility model has the following beneficial effects:

[0016] 1. By setting up activated carbon and fine filtration mechanisms, when the detector detects that the gas radiation is slightly higher than the national standard, the gas is filtered to ensure that the discharged gas meets the national standard.

[0017] 2. By setting up multiple one-way valves and solenoid valves, the gas flow in the first connecting pipe, the second connecting pipe and the outlet pipe is one-way flow, and gas backflow is avoided. The solenoid valve can control the opening and closing of the connecting pipe and the outlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of a radiation detection wireless alarm device proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the detector body and the wireless alarm body of the utility model;

[0020] Figure 3 This is the electrical principle block diagram of the detector body and the wireless alarm body of the utility model

[0021] Figure 4This is a schematic diagram of the external structure of the utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the purification box of the utility model;

[0023] Figure 6 For this utility model Figure 5 A magnified view of the structure at A.

[0024] In the figure: 1. Gas collecting box; 2. Detection box; 3. Purification box; 4. Air inlet pipe; 5. Detector body; 6. Wireless alarm body; 61. Alarm light; 62. Alarm horn; 7. First connecting pipe; 8. First solenoid valve; 9. First non-return valve; 10. Exit pipe; 11. Second non-return valve; 12. Second solenoid valve; 13. Second connecting pipe; 14. Third solenoid valve; 15. Third non-return valve; 16. Inspection cover; 17. Lower fixing plate; 18. Upper fixing plate; 19. Air hole; 20. Activated carbon; 21. Fixing strip; 22. Sealing groove; 23. Filter screen; 24. Sealing rubber block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] Reference Figure 1-6 A radiation detection wireless alarm comprises an air collecting box 1, a detection box 2 and a purification box 3. The air collecting box 1 is connected to the detection box 2 via a first connecting pipe 7, the detection box 2 and the purification box 3 are connected via a second connecting pipe 13, a detector body 5 is fixedly installed in the detection box 2, the detector body 5 is wirelessly connected to a wireless alarm body 6, a lower fixing plate 17 and an upper fixing plate 18 are fixedly installed in the purification box 3, activated carbon 20 is filled between the lower fixing plate 17 and the upper fixing plate 18, air holes 19 are provided on the lower fixing plate 17 and the upper fixing plate 18, and a fine filtering mechanism is provided on the upper fixing plate 18.

[0028] The fine filter mechanism includes a fixing strip 21 fixedly mounted on the inner wall of the purification box 3, a sealing groove 22 is formed on the fixing strip 21, a filter screen plate 23 is movably mounted on the fixing strip 21, and a sealing rubber block 24 matching the sealing groove 22 is fixedly mounted at the bottom end of the filter screen plate 23.

[0029] A plurality of air holes 19 are provided at the edge of the lower fixing plate 17 , and a plurality of air holes 19 are provided at the center of the upper fixing plate 18 . The air collecting box 1 is connected with an air inlet pipe 4 , and a maintenance cover plate 16 is detachably installed at the top of the purification box 3 .

[0030] The outer wall of the detection box 2 is connected to an air outlet pipe 10, a first solenoid valve 8 and a first non-return valve 9 are arranged on the first connecting pipe 7, a second non-return valve 11 and a second solenoid valve 12 are arranged on the air outlet pipe 10 in sequence from the detection box 2 to the outside, and a third solenoid valve 14 and a third non-return valve 15 are arranged on the second connecting pipe 13.

[0031] The direction of the first one-way valve 9 is from the gas collecting box 1 to the detection box 2 , the direction of the second one-way valve 11 is from the detection box 2 to the outside, and the direction of the third one-way valve 15 is from the detection box 2 to the purification box 3 .

[0032] An alarm light 61 is provided on the top of the wireless alarm instrument body 6, and an alarm speaker 62 is provided on the side wall of the wireless alarm instrument body 6. The detector body 5 is electrically connected to the first solenoid valve 8, the second solenoid valve 12 and the third solenoid valve 14. The first solenoid valve 8 is usually in an open state, and the second solenoid valve 12 and the third solenoid valve 14 are usually in a closed state.

[0033] It should be noted that the wireless connection technology and the electric control technology of the detector body 5 and the wireless alarm body 6 are both existing mature technologies, and are not the key technical points of the utility model, so they will not be elaborated here.

[0034] In the utility model, the gas in the gas collecting box 1 enters the detection box 2 through the first one-way valve 9, and is detected by the detector body 5. The detection result is fed back to the wireless alarm body 6. When the detector body 5 detects that the radiation in the gas meets the national standard, the second solenoid valve 12 is opened to discharge the gas from the gas outlet pipe 10;

[0035] When the detector body 5 detects that the radiation in the gas is slightly higher than the national standard, the detector body 5 sends a warning signal to the wireless alarm body 6, turns on the alarm light 61 and the alarm horn 62, and turns on the third solenoid valve 14, so that the gas enters the purification box 3, and the gas enters between the upper fixing plate 18 and the lower fixing plate 17 from the air hole 19. The gas filtered by the activated carbon 20 enters the upper part of the upper fixing plate 18 from the air hole 19, and then is filtered by the filter screen plate 23 and discharged from the inspection cover plate 16;

[0036] When the detector body 5 detects that the radiation in the gas is much higher than the national standard, the detector body 5 sends an alarm signal to the wireless alarm body 6, turns on the alarm light 61 and the alarm horn 62, and closes the first solenoid valve 8 at the same time. The staff needs to check the filtration and purification system in front of the gas collecting box 1.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A radiation detection wireless alarm device, comprising a gas collecting box (1), a detection box (2) and a purification box (3), characterized in that: The gas collecting box (1) is connected to the detection box (2) via a first connecting pipe (7), and the detection box (2) is connected to the purification box (3) via a second connecting pipe (13). A detector body (5) is fixedly installed in the detection box (2), and the detector body (5) is wirelessly connected to a wireless alarm body (6). A lower fixing plate (17) and an upper fixing plate (18) are fixedly installed in the purification box (3). Activated carbon (20) is filled between the lower fixing plate (17) and the upper fixing plate (18). Air holes (19) are provided on the lower fixing plate (17) and the upper fixing plate (18), and a fine filtering mechanism is provided on the upper fixing plate (18).

2. A radiation detection wireless alarm device according to claim 1, characterized in that: The fine filtering mechanism comprises a fixing strip (21) fixedly mounted on the inner wall of the purification box (3), a sealing groove (22) being provided on the fixing strip (21), a filter screen plate (23) being movably arranged on the fixing strip (21), and a sealing rubber block (24) cooperating with the sealing groove (22) being fixedly mounted on the bottom end of the filter screen plate (23).

3. The radiation detection wireless alarm device according to claim 1, characterized in that: A number of the air holes (19) are opened at the edge of the lower fixed plate (17), and a number of the air holes (19) are opened at the center of the upper fixed plate (18). The air collecting box (1) is connected to an air inlet pipe (4), and a maintenance cover (16) is detachably installed on the top of the purification box (3).

4. The radiation detection wireless alarm device according to claim 1, characterized in that: An air outlet pipe (10) is connected to the outer wall of the detection box (2); a first electromagnetic valve (8) and a first non-return valve (9) are arranged on the first connecting pipe (7); a second non-return valve (11) and a second electromagnetic valve (12) are arranged on the air outlet pipe (10) in sequence from the detection box (2) to the outside; and a third electromagnetic valve (14) and a third non-return valve (15) are arranged on the second connecting pipe (13).

5. A radiation detection wireless alarm device according to claim 4, characterized in that: The direction of the first one-way valve (9) is from the gas collecting box (1) to the detection box (2), the direction of the second one-way valve (11) is from the detection box (2) to the outside, and the direction of the third one-way valve (15) is from the detection box (2) to the purification box (3).

6. The radiation detection wireless alarm device according to claim 1, characterized in that: An alarm light (61) is arranged on the top of the wireless alarm instrument body (6), and an alarm speaker (62) is arranged on the side wall of the wireless alarm instrument body (6).

Images