Liquid flash spectrometer measuring device

Abstract

The utility model discloses a liquid flash spectrometer measuring device, which particularly relates to the technical field of nuclear detection instruments, and comprises a box body, a placing plate is connected to the inner bottom surface of the box body in a sliding manner, and a placing mechanism for stably placing sample bottles of different models is arranged on the surface of the placing plate; a driving mechanism used for stably driving the placing plate is arranged below the placing plate, a lead chamber is installed at the top of the box body, an opening is formed in the position, below the lead chamber, of the top face of the box body in a penetrating mode, and a shading mechanism used for shading the interior of the lead chamber is arranged below the opening; the sample bottle placing device has the technical effects and advantages that sample bottles of different models can be conveniently placed by arranging the placing mechanism, and the placing stability is improved; by arranging the driving mechanism, the placing plate can be horizontally and stably driven, so that the placing plate is prevented from shaking to influence the stability of the sample bottle; by arranging the shading mechanism, the opening can be conveniently blocked, and light is prevented from entering the lead chamber to influence the accuracy of sample measurement and analysis.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear detection instruments, and more specifically, to a liquid scintillation spectrometer measuring device. Background Art

[0002] Liquid scintillation spectrometers are widely used in the fields of industry, agriculture, biomedicine, environmental science, archaeology and geology. In radiation monitoring, liquid scintillation spectrometers can be used to measure α and β radionuclides, such as 3H, 14C, 32P, 90Sr, total α, total β, etc. With the development of sample processing technology and the improvement of nuclide separation methods, more and more radionuclides will be measured using liquid scintillation spectrometers.

[0003] At present, the existing liquid scintillation spectrometer measurement device will open a plurality of grooves on the sample tray for placing the sample bottles when in use, but the size of the grooves is fixed. When the model of the sample bottle does not match the groove, the stability of the sample bottle placement will be affected. In addition, when replacing the sample bottle, the sample tray needs to be manually pulled out. During the pulling process, the sample tray is prone to shaking, which can easily cause the sample bottle to shake or even fall over, affecting the stability of the sample measurement. In addition, when the existing liquid scintillation spectrometer measurement device sends samples into the lead chamber, light is easily introduced into the lead chamber, affecting the accuracy of the measurement and analysis. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a liquid scintillation spectrometer measurement device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: comprising: a box body, a placement plate is slidably connected to the bottom surface of the box body, a placement mechanism for stably placing sample bottles of different types is provided on the surface of the placement plate, a driving mechanism for smoothly driving the placement plate is provided under the placement plate, a lead chamber is installed on the top of the box body, an opening is penetrated through the top surface of the box body below the lead chamber, and a shading mechanism for shading the lead chamber is provided below the opening.

[0006] In a preferred embodiment, the placement mechanism includes a plurality of grooves opened on the surface of the placement plate, a sponge block is fixedly connected in each of the plurality of grooves, a placement groove is opened on the surface of the plurality of sponge blocks, a funnel-shaped opening is opened on the top surface of the plurality of sponge blocks located above the placement groove, a fixing plate is fixedly connected to one side of the placement plate, and the fixing plate passes through the side wall of the box and is slidably connected to the box.

[0007] In a preferred embodiment, the driving mechanism includes a driving plate fixedly connected to one end of the bottom surface of the placement plate, and a driving groove is opened on the bottom surface of the box body at a position relative to the driving plate, the driving groove is slidably connected to the driving plate, one end of the driving plate is horizontally penetrated by a thread and is connected to a No. 1 screw, one side of the driving groove is embedded and fixedly connected to a No. 1 motor, the output end of the No. 1 motor is fixedly connected to one end of the No. 1 screw, the other end of the No. 1 screw is rotatably connected to the inner side wall of the driving groove, the other end of the driving plate is horizontally penetrated by a sliding connection with a limit rod, and both ends of the limit rod are fixedly connected to both sides of the driving groove.

[0008] In a preferred embodiment, a vertical cylinder is fixedly connected to the bottom of the box body below the opening, a cylinder is fixedly connected to the vertical cylinder, a placement table is fixedly connected to the output end of the cylinder, and a robotic arm gripper is installed on one side of the placement plate on the bottom surface of the box body.

[0009] In a preferred embodiment, a storage box is fixedly connected to one end of the top surface of the box body, a conduit is connected to one end of the storage box, an end of the conduit away from the storage box is connected to the lead chamber, an electric telescopic rod is horizontally fixedly connected to one side of the storage box at a position relative to the conduit, a connecting rod is fixedly connected to the output end of the electric telescopic rod, and an external standard source is installed on the end of the connecting rod away from the electric telescopic rod.

[0010] In a preferred embodiment, the shading mechanism includes an L-shaped shielding plate arranged below the opening, the top surface of the L-shaped shielding plate is slidably connected to the top surface of the box body, a No. 2 screw is threadedly connected horizontally through the bottom of one end of the L-shaped shielding plate, a No. 2 motor is fixedly connected to one side of the box body, and the output end of the No. 2 motor is fixedly connected to one end of the No. 2 screw.

[0011] In a preferred embodiment, a blocking plate is fixedly connected to the top surface of the box body at one end of the L-shaped shielding plate away from the second motor, and one side of the L-shaped shielding plate is in contact with one side of the blocking plate.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The placement mechanism is set up to facilitate the placement of sample bottles of different types and improve the stability of placement;

[0014] 2. The driving mechanism is provided to facilitate the horizontal and stable driving of the placement plate, thereby preventing the placement plate from shaking and affecting the stability of the sample bottle;

[0015] 3. By setting up a shading mechanism, it is convenient to block the opening to prevent light from entering the lead chamber and affecting the accuracy of sample measurement and analysis. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a front cutaway structural schematic diagram of the utility model.

[0017] Figure 2 This is a schematic diagram of the screw connection structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the L-shaped shielding plate connection structure of the utility model.

[0019] The accompanying drawings are marked as follows: 1. box body; 2. placement plate; 3. placement mechanism; 4. driving mechanism; 5. opening; 6. shading mechanism; 7. fixing plate; 8. groove; 9. sponge block; 10. placement slot; 11. funnel-shaped mouth; 12. driving slot; 13. driving plate; 14. No. 1 screw; 15. No. 1 motor; 16. vertical cylinder; 17. cylinder; 18. placement table; 19. lead chamber; 20. robotic arm gripper; 21. storage box; 22. electric telescopic rod; 23. catheter; 24. external standard source; 25. connecting rod; 26. L-shaped shielding plate; 27. No. 2 screw; 28. No. 2 motor; 29. ​​blocking plate; 30. limit rod. DETAILED DESCRIPTION

[0020] 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.

[0021] As attached Figure 1-3 A liquid scintillation spectrometer measuring device shown includes: a box body 1, a placement plate 2 slidably connected to the bottom surface of the box body 1, a placement mechanism 3 for stably placing sample bottles of different types is provided on the surface of the placement plate 2, a driving mechanism 4 for smoothly driving the placement plate 2 is provided below the placement plate 2, a lead chamber 19 is installed on the top of the box body 1, an opening 5 is opened through the top surface of the box body 1 and is located below the lead chamber 19, and a shading mechanism 6 for shading the lead chamber 19 is provided below the opening 5.

[0022] The placement mechanism 3 includes a plurality of grooves 8 opened on the surface of the placement plate 2, a plurality of sponge blocks 9 are respectively fixedly connected in the plurality of grooves 8, a plurality of placement grooves 10 are respectively opened on the surfaces of the plurality of sponge blocks 9, a plurality of sponge blocks 9 top surfaces located above the placement grooves 10 are all provided with funnel-shaped openings 11, a fixed plate 7 is fixedly connected to one side of the placement plate 2, and the fixed plate 7 passes through the side wall of the box body 1 and is slidably connected to the box body 1.

[0023] The driving mechanism 4 includes a driving plate 13 fixedly connected to one end of the bottom surface of the placement plate 2, a driving groove 12 is opened on the bottom surface of the box body 1 and is located at a position relative to the driving plate 13, the driving groove 12 is slidably connected to the driving plate 13, a No. 1 screw 14 is horizontally penetrated and threadedly connected to one end of the driving plate 13, a No. 1 motor 15 is embedded and fixedly connected to one side of the driving groove 12, an output end of the No. 1 motor 15 is fixedly connected to one end of the No. 1 screw 14, and the other end of the No. 1 screw 14 is rotatably connected to the inner side wall of the driving groove 12, a limit rod 30 is horizontally penetrated and slidably connected to the other end of the driving plate 13, and both ends of the limit rod 30 are fixedly connected to the two sides of the driving groove 12.

[0024] The vertical cylinder 16 is fixedly connected to the bottom of the box body 1 below the opening 5, the cylinder 17 is fixedly connected inside the vertical cylinder 16, the placement table 18 is fixedly connected to the output end of the cylinder 17, and a robotic arm gripper 20 is installed on one side of the placement plate 2 on the bottom surface of the box body 1.

[0025] The storage box 21 is fixedly connected to one end of the top surface of the box body 1, and one end of the storage box 21 is connected to a conduit 23, and the end of the conduit 23 away from the storage box 21 is connected to the lead chamber 19, and the electric telescopic rod 22 is horizontally fixedly connected to one side of the storage box 21 at a position opposite to the conduit 23, and the connecting rod 25 is fixedly connected to the output end of the electric telescopic rod 22, and an external standard source 24 is installed at the end of the connecting rod 25 away from the electric telescopic rod 22.

[0026] The specific implementation method is as follows: by setting a placement mechanism 3, it is convenient to place sample bottles of different models and improve the stability of placement; by setting a driving mechanism 4, it is convenient to drive the placement plate 2 horizontally and smoothly to avoid shaking of the placement plate 2 and affecting the stability of the sample bottle.

[0027] As attached Figure 1 With attached Figure 3 A liquid scintillation spectrometer measuring device is shown, and the shading mechanism 6 includes an L-shaped shielding plate 26 arranged below the opening 5, the top surface of the L-shaped shielding plate 26 is slidably connected to the top surface of the inner side of the box body 1, and the second screw 27 is horizontally penetrated and threadedly connected to the bottom of one end of the L-shaped shielding plate 26, the second motor 28 is fixedly connected to one side of the box body 1, and the output end of the second motor 28 is fixedly connected to one end of the second screw 27.

[0028] The blocking plate 29 is fixedly connected to the top surface of the box body 1 and is located at the end of the L-shaped shielding plate 26 away from the second motor 28 , and one side of the L-shaped shielding plate 26 is in contact with one side of the blocking plate 29 .

[0029] The specific implementation method is as follows: by providing a shading mechanism 6, the opening 5 is conveniently blocked to prevent light from entering the lead chamber 19 and affecting the accuracy of sample measurement and analysis.

[0030] The working principle of the utility model is as follows: during operation, a plurality of sample bottles are respectively inserted into a plurality of placement slots 10, and the sample bottles are conveniently wrapped by the resilience of the sponge block 9, so as to improve the stability of the sample bottle placement, and then the No. 1 motor 15 drives the No. 1 screw 14 to rotate, so that the driving plate 13 drives the placement plate 2 to enter the box body 1, until one end of the fixed plate 7 blocks one side of the box body 1, and then the corresponding sample bottle is conveniently clamped by the mechanical arm gripper 20, and is placed on the surface of the placement table 18, and then the cylinder 17 drives the placement table 18 to rise, and at the same time the No. 2 motor 28 drives the No. 2 screw 27 to rotate, so that the L-shaped shielding plate 26 slides to one side until the opening 5 is opened, and then the placement table 18 drives the sample bottle to move into the lead chamber 19, and then the electric telescopic rod 22 passes through the connecting rod 2 5 drives the external standard source 24 to move, so that it is close to the sample to excite the sample. After the sample is excited, the electric telescopic rod 22 drives the external standard source 24 back to the storage box 21, and the sample is measured and analyzed in the placement plate 2. When it is necessary to replace the sample bottle, first the No. 2 motor 28 drives the No. 2 screw 27 to rotate in the opposite direction, so that the L-shaped shielding plate 26 moves horizontally to block the opening 5, so as to prevent the fixed plate 7 from moving and causing external light to enter the lead chamber 19. The L-shaped shielding plate 26 can be limited by the blocking plate 29 to prevent the L-shaped shielding plate 26 from moving too much. The No. 1 motor 15 drives the No. 1 screw 14 to rotate in the opposite direction, so that the driving plate 13 can drive the placement plate 2 to slide out of the box body 1 smoothly, thereby improving the stability of the sample bottle and preventing the sample bottle from swinging or even tipping over due to shaking.

[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0032] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0033] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A liquid scintillation spectrometer measuring device, comprising: A box body (1) is characterized in that: a placement plate (2) is slidably connected to the bottom surface of the box body (1), a placement mechanism (3) for stably placing sample bottles of different types is provided on the surface of the placement plate (2), a driving mechanism (4) for smoothly driving the placement plate (2) is provided below the placement plate (2), a lead chamber (19) is installed on the top of the box body (1), an opening (5) is provided through the top surface of the box body (1) below the lead chamber (19), and a shading mechanism (6) for shading the lead chamber (19) is provided below the opening (5).

2. A liquid scintillation spectrometer measuring device according to claim 1, characterized in that: The placement mechanism (3) comprises a plurality of grooves (8) formed on the surface of the placement plate (2), a plurality of sponge blocks (9) being fixedly connected in the grooves (8), a plurality of placement grooves (10) being formed on the surfaces of the sponge blocks (9), a plurality of funnel-shaped openings (11) being formed on the top surfaces of the sponge blocks (9) located above the placement grooves (10), a fixing plate (7) being fixedly connected to one side of the placement plate (2), the fixing plate (7) penetrating the side wall of the box body (1) and being slidably connected to the box body (1).

3. A liquid scintillation spectrometer measuring device according to claim 1, characterized in that: The driving mechanism (4) comprises a driving plate (13) fixedly connected to one end of the bottom surface of the placement plate (2); a driving groove (12) is provided on the inner bottom surface of the box body (1) at a position relative to the driving plate (13); the driving groove (12) is slidably connected to the driving plate (13); one end of the driving plate (13) is horizontally penetrated by a threaded connection with a No. 1 screw rod (14); one side of the driving groove (12) is embedded and fixedly connected with a No. 1 motor (15); the output end of the No. 1 motor (15) is fixedly connected to one end of the No. 1 screw rod (14); the other end of the No. 1 screw rod (14) is rotatably connected to the inner side wall of the driving groove (12); the other end of the driving plate (13) is horizontally penetrated by a sliding connection with a limit rod (30); both ends of the limit rod (30) are fixedly connected to the two sides of the driving groove (12).

4. A liquid scintillation spectrometer measuring device according to claim 1, characterized in that: The bottom of the box body (1) is located below the opening (5) and is fixedly connected to a vertical cylinder (16); a cylinder (17) is fixedly connected inside the vertical cylinder (16); an output end of the cylinder (17) is fixedly connected to a placement table (18); and a mechanical arm gripper (20) is installed on one side of the placement plate (2) on the bottom surface of the box body (1).

5. A liquid scintillation spectrometer measuring device according to claim 1, characterized in that: One end of the top surface of the box body (1) is fixedly connected to a storage box (21), one end of the storage box (21) is connected to a conduit (23), one end of the conduit (23) away from the storage box (21) is connected to the lead chamber (19), one side of the storage box (21) is horizontally fixedly connected to an electric telescopic rod (22) at a position relative to the conduit (23), the output end of the electric telescopic rod (22) is fixedly connected to a connecting rod (25), and an external standard source (24) is installed at one end of the connecting rod (25) away from the electric telescopic rod (22).

6. A liquid scintillation spectrometer measuring device according to claim 1, characterized in that: The shading mechanism (6) comprises an L-shaped shielding plate (26) arranged below the opening (5); the top surface of the L-shaped shielding plate (26) is slidably connected to the top surface of the box body (1); a second screw rod (27) is threadedly connected to the bottom of one end of the L-shaped shielding plate (26); a second motor (28) is fixedly connected to one side of the box body (1); and the output end of the second motor (28) is fixedly connected to one end of the second screw rod (27).

7. A liquid scintillation spectrometer measuring device according to claim 6, characterized in that: The inner top surface of the box body (1) is located at one end of the L-shaped shielding plate (26) away from the second motor (28) and is fixedly connected to a blocking plate (29), and one side of the L-shaped shielding plate (26) is in contact with one side of the blocking plate (29).

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