An early warning device for irradiation room

By designing an irradiation chamber warning equipment with multi-section light curtains, and using a turntable and reflector to adjust the infrared irradiation angle, the problem of poor detection effect of existing equipment is solved, multi-directional detection and timely alarm for personnel is achieved, and safety interlocking performance is improved.

CN222705056UActive Publication Date: 2025-04-01ZHONGJIN IRRADIATION CHONGQING CO LTD
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Patent Information

Application Number
CN202421377433.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-04-01
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

Existing irradiation room early warning equipment is usually only equipped with a cross-section light curtain, which cannot be effectively adjusted, resulting in poor detection effect of personnel evasion and inability to provide alarms in time, reducing the safety interlocking performance of the irradiation device.

Method used

An early warning device for an irradiation chamber including multiple cross-sectional light curtains is designed, and the angles of the infrared transmitter and receiver are adjusted through the coordination of the turntable and the bearing, and the reflector is used to increase the reflection path of the infrared rays, increasing the number of cross-sectional light curtains.

Benefits of technology

It realizes effective detection of personnel from multiple directions, prevents personnel from entering the irradiation room to the greatest extent, provides timely alarms, and improves the safety interlocking performance of the irradiation device.

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Abstract

The utility model relates to the field of irradiation room warning technology, and discloses an early warning device for irradiation room, including a bottom plate, a turntable, a main shell, a main infrared transmitter, a sub-shell, a main infrared receiver, a multi-faceted early warning component and an alarm device, wherein the lower end of the main shell is connected to the upper side of the bottom plate through a turntable, a plurality of main infrared transmitters are fixedly connected at equal intervals inside the main shell, the lower end of the sub-shell is connected to the other side above the bottom plate through a turntable, a plurality of main infrared receivers are fixedly connected at equal intervals inside the sub-shell, and a multi-faceted early warning component is arranged on the back of one side of the sub-shell. The early warning device has the function of multiple cross-sectional light curtains for safety detection, which can prevent personnel from crossing and avoiding detection from the bottom, the top and all directions to the greatest extent, effectively prevent personnel from mistakenly entering the irradiation room, and provide an alarm in time when mistaken entry is found, thereby ensuring personnel safety and improving the safety interlocking performance of the irradiation device.
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Description

Technical Field

[0001] The utility model relates to the technical field of early warning for irradiation rooms, in particular to early warning equipment for irradiation rooms. Background Art

[0002] The irradiation room is an enclosed space made of reinforced concrete for shielding radiation. It is an important facility, mainly used to send goods in for radiation irradiation. During the irradiation process, the radiation source rises from the source water well in the irradiation room and enters the source protection cover for radiation treatment. The walls of the irradiation room are usually very thick to effectively shield the radiation and ensure safe operation. Early warning equipment is needed to monitor the door of the irradiation room to prevent people from accidentally entering to ensure their safety.

[0003] When early warning equipment is monitoring the irradiation room, most of them use a cross-sectional light curtain to sense the entry of people. The cross-sectional light curtain cannot be effectively adjusted, and the detection effect is poor when people follow and deliberately avoid it. It is impossible to provide alarms in time, thereby failing to ensure the safety of personnel, thereby reducing the safety interlock performance of the irradiation device, and therefore needs to be improved. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an early warning device for an irradiation room, which has the advantage of providing multiple cross-sectional light curtains for safety detection, and solves the problem that most of them use one cross-sectional light curtain to sense the entry of personnel, and cannot effectively increase and adjust the cross-sectional light curtain, and the detection effect is poor when personnel follow and deliberately avoid, and cannot provide alarms in time, thereby failing to ensure the safety of personnel, thereby reducing the safety interlocking performance of the irradiation device.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an early warning device for an irradiation room, comprising a base plate, a turntable, a main shell, a main infrared transmitter, a sub-shell, a main infrared receiver, a multi-faceted early warning component and an alarm device, the lower end of the main shell being connected to one side above the base plate through a turntable, a plurality of main infrared transmitters being fixedly connected at equal intervals inside the main shell, the lower end of the sub-shell being connected to the other side above the base plate through a turntable, a plurality of main infrared receivers being fixedly connected at equal intervals inside the sub-shell, a multi-faceted early warning component being arranged on the back side of one side of the sub-shell, and an alarm device being fixedly connected to the front sides of the main shell and the sub-shell at equal intervals.

[0008] The multi-faceted warning component includes a water tank, a damping shaft, a baffle and a reflective plate. The upper side of the water tank is fixedly connected to the damping shaft, the upper side of the damping shaft is movably connected to the baffle, and the inner side of the baffle is penetrated and connected to the reflective plate.

[0009] Furthermore, a clamping block is fixedly connected to the front side of the water tank, a buckle is snap-fitted to the other side of the clamping block, and the other side of the buckle is fixed to the back side of the auxiliary shell body.

[0010] Furthermore, the outer wall of the water inlet pipe of the water tank is threadedly connected with a tank cover.

[0011] Furthermore, the four lower corners of the water tank are fixedly connected with threaded barrels, the internal threads of the threaded barrels are connected with threaded rods, and the bottom of the threaded rods is fixedly connected with a base.

[0012] Furthermore, the upper ends of the main shell and the auxiliary shell are fixedly connected with bearings, and the inner side of the bottom plate is provided with a top warning component.

[0013] Furthermore, the top warning component includes a secondary infrared receiver, a top plate, a secondary infrared transmitter, a mounting plate and a mounting hole.

[0014] Furthermore, a secondary infrared receiver is connected through the interior of the bottom plate, a top plate is fixedly connected to one side of the bearing, and secondary infrared transmitters are fixedly connected to the interior of the top plate at equal intervals.

[0015] Furthermore, mounting plates are welded to both sides of the bottom plate, and a plurality of mounting holes are penetrated and connected at equal intervals inside the mounting plates.

[0016] Compared with the prior art, the utility model provides an early warning device for an irradiation room, which has the following

[0017] Beneficial effects:

[0018] 1. The early warning equipment has the function of multiple cross-section light curtains for safety detection, which can prevent personnel from crossing and avoiding detection from below, above and all directions to the greatest extent, effectively prevent personnel from mistakenly entering the irradiation room, and provide alarms in time when mistaken entry is found, ensuring the safety of personnel and improving the safety interlocking performance of the irradiation device.

[0019] 2. When the early warning device monitors the irradiation room, the irradiation angles of the main infrared transmitter and the main infrared receiver on the main shell and the sub-shell can be adjusted through the cooperation of the turntable and the bearing. In combination with the reflector, the infrared rays emitted by the main infrared transmitter can be reflected to the main infrared receiver for reception, thereby increasing the number of cross-sectional light curtains of the early warning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the early warning device for the irradiation room provided by the embodiment of the utility model;

[0021] Figure 2 It is a schematic diagram of the main shell and the auxiliary shell structure of the early warning device for the irradiation room provided by the embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the multi-faceted warning components of the warning device for the irradiation room provided by the embodiment of the utility model;

[0023] Figure 4 It is a schematic structural diagram of a top warning component of a warning device for an irradiation room provided by an embodiment of the utility model.

[0024] Among them: 1. bottom plate; 2. turntable; 3. main shell; 4. main infrared transmitter; 5. auxiliary shell; 6. main infrared receiver; 7. bearing; 8. multi-faceted warning component; 801. water tank; 802. block; 803. buckle; 804. box cover; 805. threaded barrel; 806. threaded rod; 807. base; 808. damping shaft; 809. baffle; 810. reflector; 9. top warning component; 901. auxiliary infrared receiver; 902. top plate; 903. auxiliary infrared transmitter; 904. mounting plate; 905. mounting hole; 10. alarm device. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 and Figure 2 The utility model provides a technical solution: an early warning device for an irradiation room, comprising a base plate 1, a turntable 2, a main shell 3, a main infrared transmitter 4, a sub-shell 5, a main infrared receiver 6, a multi-faceted early warning component 8 and an alarm device 10, the lower end of the main shell 3 is connected to one side above the base plate 1 through the turntable 2, a plurality of main infrared transmitters 4 are fixedly connected at equal intervals inside the main shell 3, the lower end of the sub-shell 5 is connected to the other side above the base plate 1 through the turntable 2, a plurality of main infrared receivers 6 are fixedly connected at equal intervals inside the sub-shell 5, a multi-faceted early warning component 8 is arranged on the back side of one side of the sub-shell 5, an alarm device 10 is fixedly connected to the front sides of the main shell 3 and the sub-shell 5 at equal intervals, bearings 7 are fixedly connected to the upper ends of the main shell 3 and the sub-shell 5, and a top early warning component 9 is arranged on the inner side of the base plate 1.

[0027] Among them: when the early warning device monitors the irradiation room, the bottom plate 1 is first placed at the door of the irradiation room for installation and fixation, and then the multi-faceted early warning component 8 cooperates with the main shell 3 and the auxiliary shell 5 to provide horizontal cross-section light curtain sensing for the early warning device, and at the same time, the top early warning component 9 can provide vertical cross-section light curtain sensing for the early warning device.

[0028] See also Figures 1 to 4 , an early warning device for an irradiation room, the multi-faceted early warning component 8 comprises a water tank 801, a damping shaft 808, a baffle 809 and a reflector 810, one side of the upper side of the water tank 801 is fixedly connected with the damping shaft 808, the upper side of the damping shaft 808 is movably connected with the baffle 809, the inner side of the baffle 809 is penetrated and connected with the reflector 810, the front side of the water tank 801 is fixedly connected with a clamping block 802, the other side of the clamping block 802 is clamped and connected with a buckle 803, and the other side of the buckle 803 is fixed to the back side of the auxiliary shell 5, the outer wall of the water inlet pipe of the water tank 801 is threadedly connected with a box cover 804, and the four corners below the water tank 801 are fixedly connected with A threaded barrel 805, the internal threads of the threaded barrel 805 are connected to a threaded rod 806, a base 807 is fixedly connected below the threaded rod 806, the top warning component 9 includes a secondary infrared receiver 901, a top plate 902, a secondary infrared transmitter 903, a mounting plate 904 and a mounting hole 905, the interior of the bottom plate 1 is penetrated by the secondary infrared receiver 901, one side of the bearing 7 is fixedly connected to the top plate 902, the interior of the top plate 902 is evenly fixedly connected to the secondary infrared transmitter 903, both sides of the bottom plate 1 are welded to mounting plates 904, and the interior of the mounting plate 904 is penetrated by a plurality of mounting holes 905 evenly spaced.

[0029] Among them: when the early warning device monitors the irradiation room, the cooperation between the turntable 2 and the bearing 7 can provide adjustment for the irradiation angles of the main infrared transmitter 4 and the main infrared receiver 6 on the main shell 3 and the sub-shell 5, providing the early warning device with the function of horizontal cross-sectional light curtain sensing, and then in conjunction with the reflector 810, the infrared rays emitted by the main infrared transmitter 4 can be reflected to the main infrared receiver 6 for reception, thereby increasing the number of cross-sectional light curtains of the early warning device, and at the same time, through the setting of the sub-infrared receiver 901 and the sub-infrared transmitter 903, the early warning device can be provided with the function of vertical cross-sectional light curtain sensing, which can maximize the prevention of personnel from crossing and avoiding detection from below, above and all directions, effectively prevent personnel from mistakenly entering the irradiation room, and provide an alarm in time when a mistaken entry is found, thereby ensuring the safety of personnel and improving the safety interlocking performance of the irradiation device.

[0030] The working principle of the utility model is as follows: when the early warning device is used for monitoring the irradiation room, the bottom plate 1 is first placed at the door of the irradiation room, and then the fixing piece is screwed into the mounting hole 905 to fix the bottom plate 1, and then the main shell 3 and the auxiliary shell 5 are matched with the turntable 2 and the bearing 7, and the main infrared transmitter 4 and the main infrared receiver 6 are adjusted to a suitable angle, and then the water tank 801 is removed through the block 802 and the buckle 803, and then the box cover 804 is unscrewed to fill the water tank 801 with water, and then the threaded rods 806 under the four corners of the water tank 801 are screwed to cooperate with the threaded tube 805 to adjust the base 807 to contact with the ground, so as to form a baffle 809. It is stably placed in a suitable position, and then cooperates with the reflector 810 to reflect the infrared emitted by the main infrared transmitter 4 to the main infrared receiver 6 for reception, so as to increase the number of cross-sectional light curtains of the early warning device, and finally the sub-infrared receiver 901 and the sub-infrared transmitter 903 are started to receive, providing a vertical cross-sectional light curtain sensing for the early warning device. When someone mistakenly enters the irradiation room, the cross-sectional light curtain sensing photoelectric trigger provides an alarm for the alarm device 10, thus completing the working principle and work flow of an early warning device for an irradiation room, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An early warning device for an irradiation room, characterized in that: The invention comprises a bottom plate (1), a turntable (2), a main shell (3), a main infrared transmitter (4), a sub-shell (5), a main infrared receiver (6), a multi-faceted early warning component (8) and an alarm device (10), wherein the lower end of the main shell (3) is connected to one side of the top of the bottom plate (1) via the turntable (2), a plurality of main infrared transmitters (4) are fixedly connected at equal intervals inside the main shell (3), the lower end of the sub-shell (5) is connected to the other side of the top of the bottom plate (1) via the turntable (2), a plurality of main infrared receivers (6) are fixedly connected at equal intervals inside the sub-shell (5), a multi-faceted early warning component (8) is arranged on the back of one side of the sub-shell (5), and an alarm device (10) is fixedly connected to the front of the main shell (3) and the sub-shell (5) at equal intervals; The multi-faceted warning component (8) comprises a water tank (801), a damping shaft (808), a baffle (809) and a reflective plate (810); the damping shaft (808) is fixedly connected to one side above the water tank (801); the baffle (809) is movably connected to the upper side of the damping shaft (808); and the reflective plate (810) is connected through the inner side of the baffle (809).

2. The early warning device for an irradiation room according to claim 1, characterized in that: A clamping block (802) is fixedly connected to the front side of the water tank (801), a buckle (803) is snap-fitted to the other side of the clamping block (802), and the other side of the buckle (803) is fixed to the back side of the auxiliary shell (5).

3. The early warning device for an irradiation room according to claim 2, characterized in that: The outer wall of the water inlet pipe of the water tank (801) is threadedly connected with a tank cover (804).

4. The early warning device for an irradiation room according to claim 3, characterized in that: The four lower corners of the water tank (801) are all fixedly connected with threaded barrels (805), the inner threads of the threaded barrel (805) are connected with threaded rods (806), and the lower part of the threaded rod (806) is fixedly connected with a base (807).

5. The early warning device for an irradiation room according to claim 1, characterized in that: The upper ends of the main housing (3) and the auxiliary housing (5) are fixedly connected with bearings (7), and a top warning component (9) is provided on the inner side of the bottom plate (1).

6. The early warning device for an irradiation room according to claim 5, characterized in that: The top warning component (9) comprises a secondary infrared receiver (901), a top plate (902), a secondary infrared transmitter (903), a mounting plate (904) and a mounting hole (905).

7. The early warning device for an irradiation room according to claim 6, characterized in that: A secondary infrared receiver (901) is connected through the interior of the bottom plate (1), a top plate (902) is fixedly connected to one side of the bearing (7), and secondary infrared transmitters (903) are fixedly connected to the interior of the top plate (902) at equal intervals.

8. The early warning device for an irradiation room according to claim 7, characterized in that: Both sides of the bottom plate (1) are welded with mounting plates (904), and the interior of the mounting plates (904) is penetrated by a plurality of mounting holes (905) at even intervals.