Whole body surface pollution monitor

Abstract

The invention relates to a whole body surface pollution monitor, and belongs to the technical field of radioactivity monitoring, the whole body surface pollution monitor comprises a base frame and a detection assembly, the detection assembly is arranged on the base frame, the detection assembly comprises a plurality of detection units and a flexible connecting piece, the detection units are arranged on the base frame in an array mode, and the flexible connecting piece is arranged on the base frame. Each detection unit can be used for carrying out pollution detection on a corresponding human body part, the flexible connecting piece is arranged between the two adjacent detection units and is used for connecting the two adjacent detection units, and each detection unit independently processes signals, so that different parts of a human body can be independently detected; precise positioning of the polluted part is achieved, the situation that the area of a detector unit is too large, and the polluted part of the human body cannot be accurately positioned is avoided, and therefore the detection precision is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of radioactive monitoring, and particularly to a whole-body surface contamination monitor. Background Art

[0002] Radioactive surface contamination monitoring is an important part of the safe operation of nuclear facilities and radiation protection. As a key detection device, the whole-body surface contamination monitor is mainly used to quickly screen for radioactive nuclides such as α and β contaminated on the human body surface. Its core principle is to capture the ionizing radiation signals emitted by the human body through a detector array, and combine with a signal processing system to achieve contamination localization and activity analysis, playing an irreplaceable role in ensuring safety in scenarios such as nuclear power plants and nuclear medicine.

[0003] In the prior art, the whole-body surface contamination monitor generally adopts a large-area plastic scintillator detector array, which covers the human body surface through a fixed layout. Such detectors usually consist of a single large-size scintillator as the detection unit, and cooperate with an optoelectronic signal conversion system to achieve radiation detection.

[0004] However, due to the overly large area of the detector unit and the fixed layout, when there are multiple parts or small-scale contaminations on the human body surface, the radiation signals will be covered by the same detection unit, resulting in the inability to accurately locate the contaminated parts. Summary of the Invention

[0005] In view of this, the purpose of the present invention is to provide a whole-body surface contamination monitor to solve the technical problems in the prior art, such as the large detection surface and the inability to accurately locate the radioactive contamination site.

[0006] The present invention provides a whole-body surface contamination monitor, including a base frame and a detection assembly. Among them, the detection assembly is arranged on the base frame, and the detection assembly includes:

[0007] Detection units, multiple of which are arranged in an array on the base frame, and each detection unit can be used to detect contamination of the corresponding human body part;

[0008] Flexible connectors, which are arranged between adjacent detection units and are used to connect adjacent detection units.

[0009] Optionally, it further includes a displacement mechanism. A displacement mechanism is arranged at each detection unit, and the displacement mechanism includes:

[0010] Sensing elements, which are arranged on the side of the detection unit facing the human body and are used to measure the distance between the corresponding detection unit and the corresponding human body part;

[0011] First driving elements, which are arranged on the side of the base frame facing the detection unit and are used to drive the corresponding detection unit to move towards the human body;

[0012] A control member, electrically connected to the first driving member and the sensing member, for controlling the first driving member to drive the detection unit to move so that the detection unit maintains a preset distance from the corresponding part of the human body.

[0013] Optionally, it further includes:

[0014] A second driving member, arranged on the base frame, and the first driving members are all arranged on the driving end of the second driving member. The second driving member is used to drive all the first driving members and the detection assembly to move closer to or away from the human body.

[0015] Optionally, a flexible layer is arranged on one side of the detection assembly facing the base frame. The flexible layer abuts against the detection unit, and the driving end of the first driving member contacts the flexible layer.

[0016] Optionally, a magnet is arranged on one side of the flexible layer facing the first driving member, and the driving end of the first driving member is magnetically connected to the corresponding magnet.

[0017] Optionally, the detection unit includes:

[0018] A protective housing, which is hollow and open;

[0019] Plastic scintillator, arranged inside the protective housing;

[0020] A light guide silicone oil layer, arranged on the side of the plastic scintillator facing away from the opening of the protective housing;

[0021] A light-shielding film, arranged on the side of the plastic scintillator facing the opening of the protective housing;

[0022] A shielding grid, arranged at the opening of the protective housing and shielding the opening of the protective housing.

[0023] Optionally, the detection unit includes:

[0024] A protective housing, which is hollow and open;

[0025] A semiconductor detector, arranged inside the protective housing;

[0026] A shielding grid, arranged at the opening of the protective housing and shielding the opening of the protective housing.

[0027] Optionally, each of the flexible connectors is correspondingly provided with a winding and unwinding member, and the winding and unwinding member includes:

[0028] A rotating shaft, rotatably arranged on the outer shell of the detection unit, and one end of the flexible connector is fixedly wound on the rotating shaft;

[0029] A driving motor for driving the rotating shaft to rotate forward or backward;

[0030] A strain sensor connected to the flexible connecting member, and the strain sensor is electrically connected to the driving motor through a control member for detecting the elastic deformation force of the flexible connecting member.

[0031] Optionally, the working mode of the control member is specifically:

[0032] When the first driving member drives the detection unit to move towards the human body and the elastic deformation force of the flexible connecting member detected by the strain sensor is greater than a preset value, the control member controls the driving motor to drive the rotating shaft to rotate and unwind the flexible connecting member;

[0033] When the first driving member drives the detection unit to move towards the human body, the control member controls the driving motor to drive the rotating shaft to rotate and wind up the flexible connecting member.

[0034] Optionally, the flexible connecting member includes:

[0035] An outer layer made of polyurethane elastomer with a transverse corrugated structure on its surface;

[0036] A middle layer disposed inside the outer layer and made of aramid fiber woven mesh;

[0037] An inner layer disposed inside the middle layer and made of conductive silicone for routing the strain sensor.

[0038] The technical solution of the present invention has the following advantages:

[0039] 1. The whole body surface contamination monitor provided by the present invention uses multiple detection units, and each detection unit processes signals independently, so that different parts of the human body can be detected independently, realizing precise positioning of the contaminated part, avoiding the detector unit being too large in area and unable to accurately locate the contaminated part of the human body, thereby improving the detection accuracy.

[0040] 2. The whole body surface contamination monitor provided by the present invention can detect the distance between each detection unit and the human body in real time through the sensing member, and control the first driving member to drive the corresponding detection unit to move through the control member, so that the detection unit array can adapt to the human body posture change in real time, enable the detection unit array to adjust its position according to the human body posture, and each detection unit keeps the same distance from the corresponding part of the human body, thereby significantly improving the detection accuracy and having wide adaptability, and being able to adapt to human bodies with different postures and body shapes. Description of the Drawings

[0041] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0042] Figure 1 Schematic diagram of the array arrangement of the detection unit of the whole-body surface contamination monitor of the present invention;

[0043] Figure 2 Schematic diagram of the structure of the whole-body surface contamination monitor in the present invention;

[0044] Figure 3 Schematic diagram of the detection unit in the present invention;

[0045] Figure 4 Schematic diagram of another embodiment of the detection unit in the present invention;

[0046] Figure 5 Schematic diagram of the structure of the winding and unwinding member in the present invention;

[0047] Figure 6 Cross-sectional view of the internal structure of the flexible connecting member in the present invention.

[0048] Explanation of reference numerals:

[0049] 1. Base frame; 2. Detection assembly; 21. Detection unit; 211. Protection housing; 212. Plastic scintillator; 213. Light-shielding film; 214. Light-guiding silicone oil layer; 215. Screen protection grid; 216. Semiconductor detector; 22. Flexible connecting member; 221. Outer layer; 222. Intermediate layer; 223. Inner layer; 3. Displacement mechanism; 31. Sensing member; 32. First driving member; 33. Second driving member; 4. Flexible layer; 5. Magnet; 6. Winding and unwinding member; 61. Rotating shaft; 62. Driving motor; 63. Strain sensor; 7. Placing plate; 8. Placing groove. Specific embodiments

[0050] The following will describe in detail specific embodiments of the present invention in conjunction with the drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the description of the present invention without creative efforts belong to the scope of protection of the present invention.

[0051] Unless otherwise clearly specified and defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0052] The orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is customarily placed during use. It is only for the convenience of description and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0053] Terms such as "first", "second", "third", etc. are only used to distinguish elements with similar attributes, rather than indicating or implying relative importance or a specific order.

[0054] The term "comprises", "comprising", or any other variant thereof is intended to cover a non-exclusive inclusion. In addition to the listed elements, it may also include other elements not specifically listed.

[0055] Embodiment

[0056] Refer to Figures 1-6 As shown, the present invention provides a whole-body surface contamination monitor, which includes a base frame 1 and a detection component 2. The detection component 2 is arranged on the base frame 1. The detection component 2 includes a detection unit 21 and a flexible connection member 22. A plurality of detection units 21 are provided. The plurality of detection units 21 are evenly arranged in an array on the base frame 1. The plurality of detection units 21 cover the whole human body. Each detection unit 21 can be used to detect contamination of the corresponding human body part. The flexible connection member 22 can be used to connect the detection units 21. The flexible connection member 22 is arranged between two adjacent detection units 21 for connecting the two adjacent detection units 21. A flexible connection member 22 is arranged between two adjacent detection units 21. The flexible connection member 22 is arranged as a rope-like structure made of a flexible material.

[0057] By using a plurality of detection units 21, each detection unit 21 processes signals independently, so that it can independently detect different parts of the human body respectively, realize accurate positioning of the contaminated part, avoid the detector unit being too large in area and unable to accurately locate the contaminated part of the human body, and thus improve the detection accuracy.

[0058] As a specific implementation manner, refer to Figure 2As shown, the whole-body surface contamination monitor further includes a displacement mechanism 3. A displacement mechanism 3 is correspondingly provided at each detection unit 21, and the corresponding detection unit 21 can be moved to the same distance from the corresponding part of the human body through the displacement mechanism 3.

[0059] Specifically, the displacement mechanism 3 includes a sensing member 31, a first driving member 32, and a control member (not shown in the figure). The sensing member 31 can be set as a ranging sensor or an infrared sensor in this embodiment. The sensing member 31 is arranged on the side of the detection unit 21 facing the human body and is used to measure the distance between the corresponding detection unit 21 and the corresponding part of the human body. The first driving member 32 is arranged on the side of the base frame 1 facing the detection unit 21 and is used to drive the corresponding detection unit 21 to move towards the human body, so as to keep the detection units 21 all at the same distance from the corresponding human body parts. The control member is electrically connected to both the first driving member 32 and the sensing member 31. The control member is used to control the first driving member 32 to drive the detection unit 21 to move, so that the detection unit 21 keeps a preset distance from the corresponding part of the human body.

[0060] The sensing member 31 detects the distance between the detection unit 21 and the corresponding part of the human body in real time and transmits the data to the control member. When the sensing member 31 detects that the distance between the corresponding detection unit 21 and the corresponding part of the human body is greater than the preset distance, at this time, the control member controls the first driving member 32 to push the corresponding detection unit 21 to move and move the detection unit 21 towards the human body. Among them, the sensing member 31 detects the distance between the detection unit 21 and the human body part in real time. When the sensing member detects that the distance between the corresponding detection unit 21 and the corresponding part of the human body is equal to the preset distance, at this time, the control member drives the first driving member 32 to stop working, and the detection unit 21 starts to work to detect the human body.

[0061] By the sensing member 31 detecting the distance between the detection unit 21 and the human body part in real time and the first driving member 32 driving the detection unit 21 to move, each detection unit 21 keeps a constant preset distance from the corresponding part of the human body, eliminating the signal attenuation error caused by distance fluctuation, solving the problem that the traditional monitor cannot be adjusted or can only be adjusted manually and cannot adapt to the change of human body posture in real time, being able to automatically adjust the distance of each detection unit 21 according to the human body posture, keeping the detection unit 21 at a constant distance from the corresponding part of the human body, ensuring that the detection reaches the best state and guaranteeing the detection accuracy.

[0062] As another implementation manner, referring to Figure 2As shown in the figure, the whole-body surface contamination monitor further includes a second driving member 33. The second driving member 33 is fixedly arranged on the base frame 1, and all the first driving members 32 are arranged on the driving end of the first driving member 32. In this embodiment, a placement plate 7 can be arranged on the driving end of the second driving member 33, and all the first driving members 32 are arranged through the placement plate 7. The second driving member 33 can drive all the first driving members 32 and the detection assembly 2 to move towards or away from the human body. For the first driving member 32 and the second driving member 33, in this embodiment, the second driving member 33 can be set as a linear module or a pneumatic push rod, and the first driving member 32 can be set as a pneumatic push rod. The first driving member 32 and the second driving member 33 are not limited to only the above settings and can also be set as other driving structures. As long as the first driving member 32 can drive the detection unit 21 to move towards the human body, and the second driving member 33 can drive the detection assembly 2 and the first driving member 32 to move towards the human body;

[0063] By setting the second driving member 33, the first driving member 32 and the detection assembly 2 can be integrally moved towards the human body, reducing the driving range of all the first driving members 32, shortening the adjustment time, and at the same time avoiding the large driving range of the first driving member 32, which may cause the flexible connecting member 22 to be stretched too much and damage the flexible connecting member 22, and reducing the moving range of the detection unit 21;

[0064] During use, the sensing member 31 continuously detects the distance between the detection unit 21 and the corresponding human body part and transmits the data to the control member. When all the detected data are greater than the preset distance, the second driving member 33 is started at this time. The second driving member 33 drives the first driving member 32 and the detection assembly 2 to move towards the human body, and at this time the sensing member 31 still continuously detects the distance between the detection unit 21 and the corresponding human body part. When one of the sensing members 31 detects that the distance between the corresponding detection unit 21 and the corresponding human body part is equal to the preset distance, the second driving member 33 stops working at this time, and each first driving member 32 starts to be activated to finely adjust the corresponding detection unit 21 until all the detection units 21 maintain a constant preset distance from the corresponding human body parts, and then the human body is detected for contamination through the detection units 21.

[0065] In addition, a flexible layer 4 is arranged on one side of the detection assembly 2 facing the base frame 1. The detection unit 21 abuts against the flexible layer 4 and is directly adhered to the flexible layer 4. The driving end of the first driving member 32 abuts against the flexible layer 4 and is connected to the flexible layer 4. At this time, the flexible layer 4 can fix the detection unit 21 on the first driving member 32 and make the first driving member 32 not directly contact the detection unit 21. The flexible layer 4 can absorb the mechanical impact applied by the first driving member 32 and avoid hard contact with the detection unit 21, resulting in damage to the detection unit 21.

[0066] Specifically, a magnet 5 is bonded to the side of the flexible layer 4 facing the first driving member 32, and the driving end of the first driving member 32 is magnetically connected to the corresponding magnet 5. By providing the magnet 5, the flexible layer 4 and the first driving member 32 can be detachably connected, which is convenient for replacement and maintenance.

[0067] As a specific implementation manner, referring to Figure 3 As shown, the detection unit 21 includes a protective housing 211, a plastic scintillator 212, a light guide silicone oil layer 214, a light shielding film 213, and a shielding grid 215. The protective housing 211 is hollow and open, the plastic scintillator 212 is disposed inside the protective housing 211 and is in contact with the inner wall of the protective housing 211. The light guide silicone oil layer 214 and the light shielding film 213 are also disposed inside the protective housing 211. The light guide silicone oil layer 214 is disposed on the side of the plastic scintillator 212 facing away from the opening of the protective housing 211 and is in contact with the plastic scintillator 212. The light shielding film 213 is disposed on the side of the plastic scintillator 212 facing the opening of the housing and is in contact with the plastic scintillator 212. The shielding grid 215 is disposed at the opening of the protective housing 211 and shields the opening of the protective housing 211. By providing the light guide silicone oil layer 214, the interface reflection loss can be reduced, the scintillation photon extraction efficiency can be improved, and the detection efficiency can be improved. The light shielding film 213 can reduce the optical crosstalk between adjacent detection units 21 and block stray light at the same time, while the shielding grid 215 can play a protective role to prevent dust or foreign objects from entering the interior of the detection unit 21.

[0068] As another implementation manner, referring to Figure 4 As shown, the detection unit 21 includes a protective housing 211, a semiconductor detector 216, and a shielding grid 215. The protective housing 211 is hollow and open, the semiconductor detector 216 is disposed inside the protective housing 211, and the shielding grid 215 is disposed at the opening of the protective housing 211 and shields the opening of the protective housing 211. Compared with the plastic scintillator 212 structure, the semiconductor detector 216 has a smaller volume and can be suitable for a higher density array.

[0069] As a specific implementation manner, referring to Figure 5As shown, each flexible connecting member 22 is correspondingly provided with a winding and unwinding member 6. The winding and unwinding member 6 includes a rotating shaft 61, a driving motor 62, and a strain sensor 63. A placement groove 8 is formed on the outer side wall of the protective housing 211. The rotating shaft 61 is placed in the placement groove 8 and rotates in the placement groove 8. One end of the flexible connecting member 22 is fixed and wound around the rotating shaft 61. The driving motor 62 can be arranged in the placement groove 8 or on the outer side wall of the protective housing 211. The driving end of the driving motor 62 is fixedly connected to one end of the rotating shaft 61. The driving motor 62 controls the fixing of the rotating shaft 61 and can also drive the rotating shaft 61 to rotate forward or backward. The strain sensor 63 is connected to the flexible connecting member 22 and is electrically connected to the driving motor 62 through a control member for detecting the elastic deformation force of the flexible connecting member 22;

[0070] When the detection unit 21 moves, the strain sensor 63 detects the elastic deformation force of the flexible connecting member 22 in real time. When the detected elastic deformation force of the flexible connecting member 22 exceeds the preset value, the control member controls the driving motor 62 to start. The driving motor 62 drives the rotating shaft 61 to rotate, so as to unwind a part of the flexible connecting member 22 wound on the rotating shaft 61, avoiding excessive elastic deformation force of the flexible connecting member 22, which may reduce the service life of the flexible connecting member 22 or cause damage to the flexible connecting member 22.

[0071] The working mode of the control member is specifically that when the first driving member 32 drives the detection unit 21 to move towards the human body and the strain sensor 63 detects that the elastic deformation force of the flexible connecting member 22 is greater than the preset value, the control member controls the driving motor 62 to drive the winding shaft to rotate and unwind the flexible connecting member 22. When the first driving member 32 drives the detection unit 21 to move towards the human body, the control member controls the driving motor 62 to drive the winding shaft to rotate and wind the flexible connecting member 22. At this time, when driving the detection unit 21 to move towards the human body, it is possible to avoid excessive elastic deformation force of the flexible connecting member 22. At the same time, during the process of the detection unit 21 restoring to its original state, the flexible connecting member 22 is wound in advance, avoiding winding after the detection unit 21 restores to its original state. At this time, the flexible connecting member 22 is too loose, resulting in difficult winding and affecting subsequent use.

[0072] For the flexible connecting member 22, refer to Figure 6As shown, in this embodiment, it includes an outer layer 221, an intermediate layer 222, and an inner layer 223. The outer layer 221 is made of polyurethane elastomer, and its surface is provided with a transverse corrugated structure. The intermediate layer 222 is arranged inside the outer layer 221 and is specifically an aramid fiber woven mesh. The inner layer 223 is arranged inside the intermediate layer 222 and is made of conductive silicone to supply the wiring of the variable sensor 63. Through the arrangement of the aramid fiber woven mesh of the intermediate layer 222, high-strength support can be provided, while the polyurethane elastomer and the corrugated structure of the outer layer 221 can provide transverse flexibility, enabling the connector to have good elastic tensile force and be able to withstand multiple bends.

[0073] Working principle: When in use, first, a person moves to the whole-body surface contamination monitor and faces the detection unit 21 array. At this time, the sensing element 31 starts to work, measures the distance between the detection unit 21 and the corresponding human body part, and activates the second driving member 33. The second driving member 33 drives all the first driving members 32 and the detection assembly 2 to move towards the human body. When one of the sensing elements 31 detects that the distance between the corresponding detection unit 21 and the corresponding human body part is equal to the preset distance, the second driving member 33 stops working, and each first driving member 32 starts to be activated to fine-tune the corresponding detection unit 21 until all the detection units 21 maintain a constant preset distance from the corresponding human body parts, and the detection unit 21 array adapts to the human body posture. Then, the human body is detected for contamination through the detection unit 21 array until the detection is completed.

[0074] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention.

Claims

1. A whole body surface contamination monitor, characterized in that, It includes a base frame (1) and a detection component (2). Among them, the detection component (2) is arranged on the base frame (1), and the detection component (2) includes: Detection units (21), multiple of which are arranged in an array on the base frame (1), and each detection unit (21) can be used to detect contamination of the corresponding human body part; Flexible connectors (22), which are arranged between two adjacent detection units (21) for connecting the two adjacent detection units (21).

2. The whole body surface contamination monitor according to claim 1, characterized in that, It further includes a displacement mechanism (3). A displacement mechanism (3) is arranged at each detection unit (21), and the displacement mechanism (3) includes: A sensing element (31), which is arranged on the side of the detection unit (21) facing the human body for measuring the distance between the corresponding detection unit (21) and the corresponding human body part; A first driving element (32), which is arranged on the side of the base frame (1) facing the detection unit (21) for driving the corresponding detection unit (21) to move towards the human body; A control element, which is electrically connected to the first driving element (32) and the sensing element (31), and is used to control the first driving element (32) to drive the detection unit (21) to move so that the detection unit (21) maintains a preset distance from the corresponding part of the human body.

3. The whole body surface contamination monitor according to claim 2, wherein It further includes: A second driving element (33), which is arranged on the base frame (1), and the first driving elements (32) are all arranged on the driving end of the second driving element (33). The second driving element (33) is used to drive all the first driving elements (32) and the detection component (2) to move towards or away from the human body.

4. The whole body surface contamination monitor according to claim 2, characterized in that, A flexible layer (4) is arranged on the side of the detection component (2) facing the base frame (1). The flexible layer (4) abuts against the detection unit (21), and the driving end of the first driving element (32) contacts the flexible layer (4).

5. The whole-body surface contamination monitor according to claim 2, wherein A magnet (5) is arranged on the side of the flexible layer (4) facing the first driving element (32). The driving end of the first driving element (32) is magnetically connected to the corresponding magnet (5).

6. The whole body surface contamination monitor according to claim 1, characterized in that, The detection unit (21) includes: A protective housing (211), which is hollow and open; Plastic scintillator (212), which is arranged inside the protective housing (211); A light guide silicone oil layer (214), which is arranged on the side of the plastic scintillator (212) facing away from the opening of the protective housing (211); A light-shielding film (213), which is arranged on the side of the plastic scintillator (212) facing the opening of the protective housing (211); A shielding grid (215), which is arranged at the opening of the protective housing (211) and shields the opening of the protective housing (211).

7. The whole body surface contamination monitor according to claim 1, characterized in that, The detection unit (21) includes: A protective housing (211), which is hollow and open; A semiconductor detector (216), which is arranged inside the protective housing (211); A shielding grid (215), which is arranged at the opening of the protective housing (211) and shields the opening of the protective housing (211).

8. The whole body surface contamination monitor according to claim 2, wherein, Each of the flexible connectors (22) is correspondingly provided with a winding and unwinding member (6), and the winding and unwinding member (6) includes: A rotating shaft (61) rotatably arranged on the housing of the detection unit (21), with one end of the flexible connector (22) fixedly wound around the rotating shaft (61); A driving motor (62) for driving the rotating shaft (61) to rotate forward or backward; A strain sensor (63) connected to the flexible connector (22), and the strain sensor (63) is electrically connected to the driving motor (62) through a control member for detecting the elastic deformation force of the flexible connector (22).

9. The whole body surface contamination monitor according to claim 8, characterized in that, The working mode of the control member is specifically as follows: When the first driving member (32) drives the detection unit (21) to move towards the human body and the elastic deformation force of the flexible connector (22) detected by the strain sensor (63) is greater than a preset value, the control member controls the driving motor (62) to drive the rotating shaft (61) to rotate and unwind the flexible connector (22); When the first driving member (32) drives the detection unit (21) to move towards the human body, the control member controls the driving motor (62) to drive the rotating shaft (61) to rotate and wind the flexible connector (22).

10. The whole body surface contamination monitor according to claim 8, characterized in that, The flexible connector (22) includes: An outer layer (221) made of polyurethane elastomer with a transverse corrugated structure on its surface; An intermediate layer (222) arranged inside the outer layer (221) and made of aramid fiber woven mesh; An inner layer (223) arranged inside the intermediate layer (222) and made of conductive silicone for the strain sensor (63) to route wires.

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