阅读说明：本技术 宽量程数字化闪烁探测器 (Wide-range digital scintillation detector ) 是由 黑大千 汤亚军 孙爱赟 单卿 凌永生 于 2021-09-30 设计创作，主要内容包括：本发明属于核探测技术领域,尤其为宽量程数字化闪烁探测器,针对现有的探测器大都安装拆卸操作繁琐,且散热性能不佳,长期使用易由于温度升高影响工作性能的问题,现提出如下方案,其包括机壳、探测器主体、安装组件和散热组件,安装组件包括两个固定板、两个卡接板、两个滑板、横板和拉板,两个固定板分别固定安装在机壳的两侧内壁上,且探测器主体放置在两个固定板的顶部,探测器主体的两侧底部均开设有卡接槽,两个卡接板分别活动卡接在对应的卡接槽内。本发明通过带动高速转动的扇叶横向移动对闪烁探测器进行高效散热,并通过卡接安装对其闪烁探测器进行固定,提升了安装效率,且便于进行拆卸,提升了维护操作的便捷性。(The invention belongs to the technical field of nuclear detection, in particular to a wide-range digital scintillation detector, aiming at the problems that most of the existing detectors are complicated in mounting and dismounting operation, poor in heat dissipation performance and easy to influence working performance due to temperature rise after long-term use, the invention provides a scheme which comprises a machine shell, a detector main body, a mounting assembly and a heat dissipation assembly, wherein the mounting assembly comprises two fixing plates, two clamping plates, two sliding plates, a transverse plate and a pull plate, the two fixing plates are respectively and fixedly mounted on the inner walls of the two sides of the machine shell, the detector main body is placed on the tops of the two fixing plates, clamping grooves are respectively formed in the bottoms of the two sides of the detector main body, and the two clamping plates are respectively and movably clamped in the corresponding clamping grooves. According to the invention, the high-speed rotating fan blades are driven to transversely move to efficiently dissipate heat of the scintillation detector, and the scintillation detector is fixed through clamping installation, so that the installation efficiency is improved, the disassembly is convenient, and the convenience of maintenance operation is improved.)

1. The wide-range digital scintillation detector comprises a machine shell (1), a detector main body (2), a mounting assembly and a heat dissipation assembly, and is characterized in that the mounting assembly comprises two fixing plates (3), two clamping plates (22), two sliding plates (23), a transverse plate (26) and a pulling plate (29), the two fixing plates (3) are respectively and fixedly mounted on the inner walls of the two sides of the machine shell (1), the detector main body (2) is placed at the tops of the two fixing plates (3), clamping grooves (21) are respectively formed in the bottoms of the two sides of the detector main body (2), the two clamping plates (22) are respectively and movably clamped in the corresponding clamping grooves (21), the two clamping plates (22) are respectively and fixedly mounted on one side of the corresponding sliding plates (23), sliding holes (28) are formed in the tops of the fixing plates (3), and the two sliding plates (23) are respectively and slidably connected in the corresponding sliding holes, and the bottoms of the two sliding plates (23) are respectively provided with a square groove (32), the other side of each sliding plate (23) is fixedly connected with a pull rope (24), the bottom ends of the two pull ropes (24) are fixedly connected with the top of the transverse plate (26), the top of the transverse plate (26) is provided with two vertical grooves (30), square plates (31) are respectively and slidably arranged in the two vertical grooves (30), the two square plates (31) are respectively and movably clamped in the corresponding square grooves (32), the bottom of each square plate (31) is fixedly provided with a pull rod, the bottom ends of the two pull rods are respectively and fixedly connected with the top of each pull plate (29), pull rings are respectively and fixedly arranged on the two sides of the bottom of each pull plate (29), the heat dissipation assembly comprises a square rod (4), a motor (10), a fan blade (19), a movable plate (20) and a frame body (33), the inner walls on the two sides of the frame body (33) are rotatably connected with a same cylinder (15), one end of each cylinder (15) is provided with a square hole, the square rod (4) is connected in a square hole in a sliding mode, a first bevel gear (16) is fixedly sleeved on the outer side of a cylinder (15), a rotating shaft (18) is fixedly installed at the bottom of a fan blade (19), a second bevel gear (17) is fixedly installed at the bottom end of the rotating shaft (18), the first bevel gear (16) is meshed with the second bevel gear (17), a mounting hole is formed in the top of a frame body (33), the rotating shaft (18) is rotatably installed in the mounting hole, a circular groove and two circular holes are formed in the bottom of one side of the casing (1), the motor (10) is fixedly installed in the circular groove, a transverse shaft (9) and a screw rod (7) are rotatably installed in the two circular holes respectively, a first gear (11) and a second gear (12) are fixedly installed on the transverse shaft (9) and the screw rod (7) respectively, and a third gear (13) and a fourth gear (14) are fixedly installed on the motor (10), the first gear (11) is meshed with the third gear (13), the second gear (12) is meshed with the fourth gear (14), one end of the square rod (4) is fixedly connected with one end of the transverse shaft (9), the moving plate (20) is fixedly installed at the bottom of the frame body (33), and the moving plate (20) is sleeved on the outer side of the screw rod (7) in a threaded mode.

2. The wide-range digital scintillation detector of claim 1, characterized in that the same guide bar (6) is fixedly connected to the inner walls of the two sides of the casing (1), and the moving plate (20) is slidably sleeved outside the guide bar.

3. The wide-range digital scintillation detector of claim 1, characterized in that one side of the casing (1) is provided with an air outlet, a blocking net (8) is fixedly installed in the air outlet, the other side of the casing (1) is provided with an air inlet, and a dust filtering net (5) is fixedly installed in the air inlet.

4. The wide-range digital scintillation detector of claim 1, characterized in that the bottom of the fixed plate (3) is fixedly provided with a fixed rod (27), the horizontal plate (26) is slidably sleeved outside the two fixed rods (27), the bottom end of the fixed rod (27) is fixedly provided with a baffle, the top of the baffle is fixedly connected with a supporting spring, and the top end of the supporting spring is fixedly connected to the bottom of the horizontal plate (26).

5. The wide-range digital scintillation detector of claim 1, characterized in that a compression spring (25) is fixedly connected to the other side of the sliding plate (23), ends of the two compression springs (25) away from each other are respectively and fixedly connected to the side walls of the corresponding sliding holes (28), two limit rods are fixedly installed in the sliding holes (28), and the two sliding plates (23) are respectively and slidably sleeved outside the corresponding limit rods.

6. The wide-range digital scintillation detector of claim 1, characterized in that the bottom of the square plate (31) is fixedly provided with a return spring, and the bottom ends of the two return springs are respectively fixedly connected to the bottom inner wall of the corresponding vertical groove (30).

7. The wide-range digital scintillation detector of claim 1, characterized in that a bracket is fixedly installed on the top of the fixed plate (3), a rotating wheel is rotatably installed in the bracket, and the pull rope (24) is wound around the outer side of the rotating wheel.

8. The wide-range digital scintillation detector of claim 1, characterized in that, the other end of the square bar (4) is fixedly provided with a positioning shaft, and the positioning shaft is rotatably connected to the side wall of the casing (1).

Technical Field

The invention relates to the technical field of nuclear detection, in particular to a wide-range digital scintillation detector.

Background

Nuclear radiation, or radiation in general, is present in all substances, the objective fact that it exists for billions of years, is a normal phenomenon, nuclear radiation being the microscopic flow of particles released during the transformation of atomic nuclei from one structural or energetic state to another, the nuclear radiation causing ionization or excitation of the substance, and is called ionizing radiation. Through retrieval, the patent document with the publication number of CN 201600460U discloses a wide-range digital scintillation detector, which comprises a detection sensor, a high-voltage adjusting unit, a data processing unit and a communication unit which are connected in sequence, wherein the detection sensor is used for measuring nuclear radiation dose to form a pulse signal and transmitting the pulse signal to the high-voltage adjusting unit; the data processing unit is used for receiving the signals transmitted by the high-voltage adjusting unit, processing the received signals and transmitting the data to the communication unit, and the communication unit is used for receiving the data transmitted by the data processing unit and transmitting the received data.

However, most of the existing detectors are complex in mounting and dismounting operation and poor in heat dissipation performance, and the working performance is easily affected due to temperature rise after long-term use, so that the wide-range digital scintillation detector is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the defects that most of the existing detectors are complex in assembly and disassembly operation, poor in heat dissipation performance and easy to influence working performance due to temperature rise after long-term use, and provides a wide-range digital scintillation detector.

In order to achieve the purpose, the invention adopts the following technical scheme:

the wide-range digital scintillation detector comprises a machine shell, a detector main body, a mounting assembly and a heat dissipation assembly, wherein the mounting assembly comprises two fixing plates, two clamping plates, two sliding plates, a transverse plate and a pulling plate, the two fixing plates are respectively and fixedly arranged on the inner walls of the two sides of the machine shell, the detector main body is placed on the tops of the two fixing plates, clamping grooves are respectively formed in the bottoms of the two sides of the detector main body, the two clamping plates are respectively and movably clamped in the corresponding clamping grooves, the two clamping plates are respectively and fixedly arranged on one side of the corresponding sliding plate, sliding holes are formed in the tops of the fixing plates, the two sliding plates are respectively and slidably connected in the corresponding sliding holes, square grooves are respectively formed in the bottoms of the two sliding plates, pull ropes are fixedly connected to the other side of the sliding plate, the bottom ends of the two pull ropes are respectively and fixedly connected to the top of the transverse plate, and two vertical grooves are formed in the top of the transverse plate, square plates are slidably mounted in the two vertical grooves, the two square plates are movably clamped in the corresponding square grooves respectively, pull rods are fixedly mounted at the bottoms of the square plates, the tops of the pull plates are fixedly connected with the bottoms of the two pull rods, pull rings are fixedly mounted on two sides of the bottoms of the pull plates, the heat dissipation assembly comprises a square rod, a motor, fan blades, a movable plate and a frame body, the inner walls of two sides of the frame body are rotatably connected with a same cylinder, a square hole is formed in one end of the cylinder, the square rod is slidably connected in the square hole, a first bevel gear is fixedly sleeved on the outer side of the cylinder, a rotating shaft is fixedly mounted at the bottom of each fan blade, a second bevel gear is fixedly mounted at the bottom of the rotating shaft, the first bevel gear is meshed with the second bevel gear, a mounting hole is formed in the top of the frame body, the rotating shaft is rotatably mounted in the mounting hole, a round groove and two round holes are formed in the bottom of one side of the casing, and the motor is fixedly mounted in the round groove, the movable plate is fixedly arranged at the bottom of the frame body, and the movable plate is sleeved on the outer side of the screw rod in a threaded manner.

Preferably, the same guide rod is fixedly connected to the inner walls of the two sides of the casing, and the moving plate is slidably sleeved on the outer side of the guide rod.

Preferably, an air outlet is formed in one side of the casing, a blocking net is fixedly mounted in the air outlet, an air inlet is formed in the other side of the casing, and a dust filtering net is fixedly mounted in the air inlet.

Preferably, the bottom fixed mounting of fixed plate has the dead lever, the diaphragm slides and cup joints the outside at two dead levers, and the bottom fixed mounting of dead lever has the baffle, and the top fixedly connected with supporting spring of baffle, supporting spring's top fixed connection is in the bottom of diaphragm.

Preferably, the other side of each sliding plate is fixedly connected with a pressure spring, one ends of the two pressure springs, which are far away from each other, are respectively and fixedly connected to the side walls of the corresponding sliding holes, two limiting rods are fixedly installed in the sliding holes, and the two sliding plates are respectively sleeved on the outer sides of the corresponding limiting rods in a sliding manner.

Preferably, the bottom of the square plate is fixedly provided with a return spring, and the bottom ends of the two return springs are respectively and fixedly connected to the inner wall of the bottom of the corresponding vertical groove.

Preferably, the top of the fixed plate is fixedly provided with a bracket, the bracket is rotatably provided with a rotating wheel, and the pull rope is wound on the outer side of the rotating wheel.

Preferably, the other end of the square rod is fixedly provided with a positioning shaft, and the positioning shaft is rotatably connected to the side wall of the casing.

In the invention, the wide-range digital scintillation detector drives the third gear and the fourth gear to rotate by starting the motor, the third gear drives the transverse shaft and the square rod to rotate rapidly by meshing with the first gear, the square rod drives the cylinder to rotate synchronously, the cylinder drives the rotating shaft and the fan blades to rotate by meshing of the first bevel gear and the second bevel gear, so that air circulation in the casing is accelerated, hot air generated by the operation of the detector main body in the casing is led out from an air outlet at one side, cooling air is led in from an air inlet at the other side of the casing to carry out heat dissipation treatment on the detector main body, the screw rod is driven to rotate slowly by meshing with the second gear while the fourth gear rotates, the screw rod drives the movable plate to move transversely by screw transmission with the movable plate and under the guiding action of the guide rod, and the movable plate and the cylinder are driven to move transversely, due to the sliding fit of the cylinder and the square rod, the square rod can slide in the cylinder and simultaneously drive the cylinder to synchronously rotate, so that the fan blades rotating at a high speed can transversely move, the blowing and heat dissipation treatment can be carried out on different positions of the detector main body, and the heat dissipation efficiency is improved;

according to the wide-range digital scintillation detector, the pull ring is pulled to drive the pull plate to move downwards, the pull plate drives the two square plates to move downwards through the two pull rods, so that the square plates are separated from the square groove, then the pull ring is continuously pulled to drive the pull plate to move downwards, the transverse plate is driven to move downwards after the square plates are contacted with the inner wall of the bottom of the vertical groove, the two sliding plates are driven to move towards one sides far away from each other through the two pull ropes, so that the two clamping plates move towards one sides far away from each other, the two clamping plates are separated from clamping of the clamping grooves with the same degree, the fixing of a detector main body is released, and the detector main body is convenient to disassemble, overhaul and maintain;

the high-speed rotating type heat dissipation device is reasonable in structural design, the scintillation detector is efficiently cooled by driving the high-speed rotating fan blades to transversely move, the scintillation detector is fixed by clamping and mounting, the mounting efficiency is improved, the disassembly is convenient, the convenience of maintenance and operation is improved, and the reliability is high.

Drawings

FIG. 1 is a schematic perspective view of a wide-range digital scintillation detector according to the present invention;

FIG. 2 is a schematic cross-sectional view of a wide-range digital scintillation detector according to the present invention;

FIG. 3 is an enlarged view of a portion of the portion A of FIG. 1;

FIG. 4 is an enlarged view of a portion of FIG. 2 at position B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at position C;

FIG. 6 is an enlarged view of a portion of FIG. 2 at position D;

fig. 7 is a schematic structural diagram of a square rod, a cylinder and a first bevel gear according to the present invention.

In the figure: 1. a housing; 2. a probe body; 3. a fixing plate; 4. a square bar; 5. a dust filter screen; 6. a guide bar; 7. a screw rod; 8. blocking the net; 9. a horizontal axis; 10. a motor; 11. a first gear; 12. a second gear; 13. a third gear; 14. a fourth gear; 15. a cylinder; 16. a first bevel gear; 17. a second bevel gear; 18. a rotating shaft; 19. a fan blade; 20. moving the plate; 21. a clamping groove; 22. a clamping and connecting plate; 23. a slide plate; 24. pulling a rope; 25. a pressure spring; 26. a transverse plate; 27. fixing the rod; 28. a slide hole; 29. pulling a plate; 30. a vertical groove; 31. a square plate; 32. a square groove; 33. a frame body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, the wide-range digital scintillation detector comprises a casing 1, a detector main body 2, a mounting assembly and a heat dissipation assembly, wherein the mounting assembly comprises two fixing plates 3, two clamping plates 22, two sliding plates 23, a transverse plate 26 and a pulling plate 29, the two fixing plates 3 are respectively and fixedly mounted on the inner walls of the two sides of the casing 1, the detector main body 2 is placed on the top of the two fixing plates 3, clamping grooves 21 are respectively formed in the bottoms of the two sides of the detector main body 2, the two clamping plates 22 are respectively and movably clamped in the corresponding clamping grooves 21, the two clamping plates 22 are respectively and fixedly mounted on one side of the corresponding sliding plate 23, a sliding hole 28 is formed in the top of the fixing plate 3, the two sliding plates 23 are respectively and slidably connected in the corresponding sliding holes, square grooves 32 are respectively formed in the bottoms of the two sliding plates 23, a pulling rope 24 is fixedly connected to the other side of the sliding plate 23, and the bottom ends of the two pulling ropes 24 are respectively and fixedly connected to the top of the transverse plate 26, the top of the transverse plate 26 is provided with two vertical grooves 30, square plates 31 are slidably mounted in the two vertical grooves 30, the two square plates 31 are movably clamped in the corresponding square grooves 32 respectively, pull rods are fixedly mounted at the bottoms of the square plates 31, the bottom ends of the two pull rods are fixedly connected with the top of a pull plate 29, pull rings are fixedly mounted on two sides of the bottom of the pull plate 29, the heat dissipation assembly comprises square rods 4, a motor 10, fan blades 19, a movable plate 20 and a frame body 33, the inner walls of two sides of the frame body 33 are rotatably connected with a same cylinder 15, one end of the cylinder 15 is provided with a square hole, the square rods 4 are slidably connected in the square holes, a first bevel gear 16 is fixedly sleeved on the outer side of the cylinder 15, the bottom of the fan blades 19 is fixedly provided with a rotating shaft 18, a second bevel gear 17 is fixedly mounted at the bottom end of the rotating shaft 18, the first bevel gear 16 is meshed with the second bevel gear 17, and a mounting hole is formed in the top of the frame body 33, the rotating shaft 18 is rotatably installed in the installation hole, a circular groove and two circular holes are formed in the bottom of one side of the machine shell 1, the motor 10 is fixedly installed in the circular groove, a transverse shaft 9 and a screw rod 7 are respectively rotatably installed in the two circular holes, a first gear 11 and a second gear 12 are respectively and fixedly installed on the transverse shaft 9 and the screw rod 7, a third gear 13 and a fourth gear 14 are fixedly installed on the motor 10, the first gear 11 is meshed with the third gear 13, the second gear 12 is meshed with the fourth gear 14, one end of the square rod 4 is fixedly connected with one end of the transverse shaft 9, the movable plate 20 is fixedly installed at the bottom of the frame body 33, and the movable plate 20 is sleeved on the outer side of the screw rod 7 in a threaded mode.

In this embodiment, the same guide bar 6 is fixedly connected to the inner walls of the two sides of the casing 1, and the moving plate 20 is slidably sleeved outside the guide bar to guide the moving plate 20.

In this embodiment, the air outlet has been seted up to one side of casing 1, and fixed mounting has the fender net 8 in the air outlet, and the air intake has been seted up to the opposite side of casing 1, and fixed mounting has dust screen 5 in the air inlet, ventilates and prevents dust casing 1.

In this embodiment, the bottom fixed mounting of fixed plate 3 has dead lever 27, and diaphragm 26 slides and cup joints in the outside of two dead levers 27, and the bottom fixed mounting of dead lever 27 has the baffle, and the top fixedly connected with supporting spring of baffle, supporting spring's top fixed connection are in the bottom of diaphragm 26, lead and reset diaphragm 26.

In this embodiment, the other side fixedly connected with pressure spring 25 of slide 23, the one end that two pressure springs 25 kept away from each other is fixed connection respectively on the lateral wall of the slide opening 28 that corresponds, and fixed mounting has two gag lever posts in the slide opening 28, and two slides 23 slide respectively and cup joint in the outside of the gag lever post that corresponds, lead and reset slide 23.

In this embodiment, the bottom of the square plate 31 is fixedly provided with a return spring, and the bottom ends of the two return springs are respectively fixedly connected to the inner wall of the bottom of the corresponding vertical groove 30 to support and reset the square plate 31.

In this embodiment, the top of the fixing plate 3 is fixedly provided with a bracket, the bracket is rotatably provided with a rotating wheel, and the pull rope 24 is wound on the outer side of the rotating wheel to guide the pull rope 24.

In this embodiment, the other end of the square rod 4 is fixedly provided with a positioning shaft, the positioning shaft is rotatably connected to the side wall of the housing 1, and the square rod 4 is rotatably positioned.

In this embodiment, when in use, the motor 10 is started to drive the third gear 13 and the fourth gear 14 to rotate, the third gear 13 drives the transverse shaft 9 and the square rod 4 to rotate rapidly by meshing with the first gear 11, the square rod 4 drives the cylinder 15 to rotate synchronously, the cylinder 15 drives the rotating shaft 18 and the fan blades 19 to rotate by meshing of the first bevel gear 16 and the second bevel gear 17, so as to accelerate air circulation in the casing 1, so that hot air generated by the operation of the detector main body 2 in the casing 1 is led out from the air outlet at one side, and cooling air is led in from the air inlet at the other side of the casing 1, so as to perform heat dissipation treatment on the detector main body 2, and the fourth gear 14 rotates and drives the screw rod 7 to rotate at a slow speed by meshing with the second gear 12, the screw rod 7 drives the moving plate 20 to move transversely by the screw transmission with the screw thread of the second gear 20 and the guiding action of the guide rod 6, the moving plate 20 drives the frame 33 and the cylinder 15 to move transversely, due to the sliding fit between the cylinder 15 and the square rod 4, the square rod 4 can drive the cylinder 15 to rotate synchronously while sliding inside the cylinder 15, so that the fan blades 19 rotating at high speed can move transversely, the blowing and radiating heat treatment can be performed on different positions of the detector main body 2, the heat radiating efficiency is improved, the pull plate 29 can be driven to move downwards by pulling the pull ring, the pull plate 29 drives the two square plates 31 to move downwards by the two pull rods, so that the square plates 31 are separated from the square grooves 32, then the pull ring is continuously pulled to drive the pull plate 29 to move downwards, the transverse plate 26 can be driven to move downwards after the square plates 31 are contacted with the inner wall of the bottom of the vertical groove 30, the two sliding plates 23 are driven to move towards one side away from each other by the two pull ropes 24, the two clamping plates 22 move towards one side away from each other, so that the two clamping plates 22 are separated from the clamping of the clamping grooves 21 with the same degree, thereby releasing the fixation of the detector main body 2 and facilitating the disassembly and the overhaul and maintenance of the detector main body.