C14 accelerator mass spectrum measuring equipment

Abstract

The utility model relates to the technical field of mass spectrum measuring equipment, and discloses C14 accelerator mass spectrum measuring equipment which comprises a unit box, four groups of limiting components are slidably connected in the unit box, two groups of rotating bolts are fixedly connected to two sides of the bottom of the unit box, supporting columns are rotatably connected to the surfaces of the rotating bolts, and the supporting columns are fixedly connected to the bottom of the unit box. The interior of the supporting column is in threaded connection with an adjusting assembly, and the bottom of the adjusting assembly is sleeved with a connecting block. According to the C14 accelerator mass spectrum measurement equipment, through the arrangement of the stirring assembly and the butt joint pipe, when measurement is needed, a quick joint pipe on a sample treatment cylinder is inserted into the surface of the butt joint pipe, then sealing is enhanced through a sealing ring, then a detection sample is introduced into the sample treatment cylinder and reacts with a catalyst in the sample treatment cylinder, meanwhile, a driving motor is started, and the sample treatment cylinder is driven to rotate; and the rotating rod and the stirring blades are driven to rotate, so that the effect of increasing the reaction speed is achieved, and the detection efficiency of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mass spectrometry equipment, in particular to a carbon 14 accelerator mass spectrometry equipment. Background Art

[0002] The precise quantitative analysis of carbon-14 is an indispensable technology in many fields such as environmental science, nuclear medicine, and material application, and will play an increasingly important role in the future, with a wide range of rising markets. The carbon-14 measurement accelerator mass spectrometer is a nuclear instrument used in the field of physics. The carbon-14 accelerator mass spectrometry equipment is an instrument used to measure and analyze the carbon-14 isotope content in samples. The quantitative analysis of carbon-14 is an indispensable task in environmental science. Its contents mainly include: tracing the source of environmental pollutants (especially CO2), monitoring of carbon-14 emissions from nuclear facilities, etc. Carbon-14 can also be used as an excellent labeled isotope for new drug development, disease diagnosis, and organ function evaluation. Carbon-14 is a radioactive isotope with a half-life of about 5730 years. It is mainly used to determine the age of organic matter. The main function of this large-scale instrument is to measure the ratio of carbon-14 to its stable isotopes, and then determine the age of the sample or conduct tracer research. Main application areas: archaeology, earth science, environmental science, life science.

[0003] The existing carbon 14 accelerator mass spectrometry equipment is not convenient for quick installation in actual use. It is convenient for personnel to install and adjust the corresponding mass spectrometry equipment according to specific needs, thereby improving the convenience and flexibility of the mass spectrometry equipment.

[0004] After searching the existing patents: T and He-3 accelerator mass spectrometry high-sensitivity measurement device (publication number: CN208109749U), including an ion source for generating positive ions, the positive ions generated by the ion source are sent into the acceleration tube with a mass number of 3 through the injection magnet, the acceleration tube is connected to the stripper, the molecular ions are decomposed into monoatomic ions through the stripper, the stripper is connected to the analysis magnet, T and 3He are separated through the analysis magnet, the analysis magnet is connected to the detection system, and the detection system measures the separated T and 3He separately. The utility model adopts positive ion extraction combined with accelerator mass spectrometry and membrane stripping technology to eliminate various interference backgrounds to achieve high-sensitivity and high-efficiency determination of T and 3He, which greatly improves the measurement sensitivity and efficiency of T and 3He.

[0005] Although the above patent uses positive ion extraction combined with accelerator mass spectrometry and membrane stripping technology to eliminate various interference backgrounds to achieve high-sensitivity and high-efficiency determination of T and 3He, which greatly improves the measurement sensitivity and efficiency of T and 3He, it is not convenient to adjust the support height and reduce shock and noise, and improve the adjustability of the equipment.

[0006] Therefore, it is necessary to invent a carbon 14 accelerator mass spectrometry device to solve the above problems. Utility Model Content

[0007] The technical problem solved by the utility model is to provide a carbon 14 accelerator mass spectrometry device which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problems of inconvenience in quick installation, adjustment of support height and shock absorption and noise reduction raised in the above-mentioned background technology.

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a carbon 14 accelerator mass spectrometry device, comprising a unit box, four groups of limit assemblies are slidably connected inside the unit box, two groups of rotating bolts are fixedly connected on both sides of the bottom of the unit box, the surface of the rotating bolts is rotatably connected to a support column, the internal thread of the support column is connected to an adjustment assembly, the bottom of the adjustment assembly is sleeved with a connecting block, the bottom of the connecting block is fixedly connected to a noise reduction assembly, the top of the unit box is fixedly connected to a sample processing barrel, the top of the sample processing barrel is rotatably connected to a stirring assembly, and the surface of the sample processing barrel is connected to a quick-connect pipe.

[0009] As a further solution of the utility model, the limit assembly includes a connecting piece slidably connected to the inside of the unit box, and a fixing piece is fixedly connected to one side of the connecting piece, and the fixing piece is convenient for limit installation.

[0010] As a further solution of the utility model, the adjustment assembly includes a threaded rod threadedly connected to the inside of the support column, and the top of the threaded rod is fixedly connected to an adjustment cap, which is easy to rotate and adjust.

[0011] As a further solution of the utility model, the noise reduction component includes a buffer spring fixedly connected to the bottom of the connecting block, and the bottom of the buffer spring is fixedly connected to a base, which is convenient for supporting on the ground.

[0012] As a further solution of the utility model, one end of the connecting piece is rotatably connected to a limiting piece, and an inserting piece is inserted into the interior of the limiting piece, which facilitates fixing the limiting piece.

[0013] As a further solution of the utility model, a plurality of sets of universal wheels are fixedly connected to the bottom of the unit box, and a slot adapted to the fixing plate is provided on one side of the unit box, so that the fixing plate can be plugged in easily.

[0014] As a further solution of the utility model, a detector is fixedly connected to the top of the unit box, one end of the detector is connected to an electrostatic deflection plate, and one end of the electrostatic deflection plate is connected to a three-unit lens, which is convenient for focusing or dispersing light.

[0015] As a further solution of the utility model, one end of the three-unit lens is connected to a deflection magnet, one end of the deflection magnet is connected to a charge exchange unit, one end of the charge exchange unit is connected to a single lens, and the single lens is easy to adjust.

[0016] As a further solution of the utility model, one end of the single lens is connected to an ECR ion source, and a threaded hole matching the threaded rod is provided on the surface of the support column, and the threaded hole facilitates the rotation and lifting of the threaded rod.

[0017] As a further solution of the utility model, the stirring assembly includes a rotating rod rotatably connected to the top of the sample processing cylinder, the top of the rotating rod is fixedly connected to a driving motor, and the surface of the rotating rod is sleeved with two groups of stirring blades, which facilitate accelerating the reaction rate.

[0018] As a further solution of the utility model, one side of the ECR ion source is threadedly connected with a butt joint tube, and two groups of sealing rings are sleeved on the surface of the butt joint tube, so as to increase the sealing performance.

[0019] The utility model provides a carbon 14 accelerator mass spectrometry device, which has the following beneficial effects:

[0020] 1. The carbon 14 accelerator mass spectrometry device, through the arrangement of the stirring assembly and the butt joint, when measurement is required, the quick joint on the sample processing tube is plugged into the surface of the butt joint, and then the sealing is strengthened by the sealing ring, and then the test sample is passed into the sample processing tube to react with the catalyst in the sample processing tube, and at the same time, the driving motor is started to drive the rotating rod and the stirring blade to rotate, thereby achieving the effect of accelerating the reaction speed and improving the detection efficiency of the equipment.

[0021] 2. The carbon 14 accelerator mass spectrometry equipment adjusts the settings of the components and the noise reduction components. After the unit box is docked, the support column is pulled to rotate on the surface of the rotating bolt, and then the adjustment cap is twisted to drive the threaded rod to rotate and retract in the support column, so as to achieve the effect of adjusting the support height. When the equipment is running, the vibration generated is transmitted to the connecting block through the unit box, and then reaches the buffer spring. The buffer spring is deformed by force to generate elastic force to offset the vibration, thereby achieving the effect of shock absorption and noise reduction, reducing the noise generated by equipment vibration, and improving the adjustability of the equipment.

[0022] 3. The carbon 14 accelerator mass spectrometry equipment, through the setting of the limit assembly, when it is necessary to install and dock two sets of unit boxes, the two sets of unit boxes are aligned by rolling the universal wheel, the fixing plate is inserted into the slot cavity, and then the limit plate is pulled to drive the connecting plate and the fixing plate to be pulled down, so that the fixing plate is inserted into the groove in the slot, and then the limit plate is rotated and the insert is inserted to fix it, thereby achieving the effect of convenient installation, facilitating personnel to install and adjust the corresponding mass spectrometry equipment according to specific needs, and improving the convenience and flexibility of the mass spectrometry equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the stirring assembly and the butt-joint pipe of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0027] Figure 5 It is a schematic diagram of the structure of the adjustment component and the noise reduction component of the utility model.

[0028] In the figure: 1. unit box; 2. limit assembly; 201. connecting plate; 202. fixing plate; 3. rotating bolt; 4. supporting column; 5. adjustment assembly; 501. threaded rod; 502. adjusting cap; 6. connecting block; 7. noise reduction assembly; 701. buffer spring; 702. base; 8. limit plate; 9. insert; 10. universal wheel; 11. detector; 12. electrostatic deflection plate; 13. three-unit lens; 14. deflection magnet; 15. charge exchange unit; 16. single lens; 17. ECR ion; 18. sample processing cylinder; 19. stirring assembly; 1901. rotating rod; 1902. driving motor; 1903. stirring blade; 20. quick connection pipe; 21. butt connection pipe; 22. sealing ring. DETAILED DESCRIPTION

[0029] 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. 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.

[0030] See also Figures 1 to 5The utility model provides a technical solution: a carbon 14 accelerator mass spectrometry device, comprising a unit box 1, wherein four groups of limiter components 2 are slidably connected inside the unit box 1, and the setting of the limiter components 2 can achieve the effect of convenient installation, and it is convenient for personnel to install and adjust the corresponding mass spectrometry device according to specific needs, thereby improving the convenience and flexibility of the mass spectrometry device. Two groups of rotating bolts 3 are fixedly connected on both sides of the bottom of the unit box 1, and the surface of the rotating bolts 3 is rotatably connected with a support column 4, and the internal thread of the support column 4 is connected with an adjustment component 5, and the effect of adjusting the support height is achieved through the setting of the adjustment component 5 and the noise reduction component 7, and the effect of shock absorption and noise reduction is achieved at the same time, the noise generated by the vibration of the equipment is reduced, and the adjustability of the equipment is improved. The bottom of the adjustment component 5 is sleeved with a connecting block 6, and the bottom of the connecting block 6 is fixedly connected with the noise reduction component 7, and the top of the unit box 1 is fixedly connected with a sample processing cylinder 18, and the top of the sample processing cylinder 18 is rotatably connected with a stirring component 19, and the setting of the stirring component 19 and the butt pipe 21 can achieve the effect of accelerating the reaction speed, and improve the detection efficiency of the equipment, and the surface of the sample processing cylinder 18 is connected with a quick pipe 20;

[0031] The limiting assembly 2 includes a connecting piece 201 slidably connected to the inside of the unit box 1, and a fixing piece 202 is fixedly connected to one side of the connecting piece 201. The setting of the fixing piece 202 plays a role of limiting installation;

[0032] The adjustment assembly 5 includes a threaded rod 501 threadedly connected to the inside of the support column 4, and the top of the threaded rod 501 is fixedly connected to the adjustment cap 502. The setting of the adjustment cap 502 plays a role of rotation adjustment;

[0033] The noise reduction component 7 includes a buffer spring 701 fixedly connected to the bottom of the connection block 6, and the bottom of the buffer spring 701 is fixedly connected to a base 702, and the base 702 is provided to support the ground;

[0034] One end of the connecting piece 201 is rotatably connected to the limiting piece 8, and an inserting piece 9 is inserted into the limiting piece 8. The setting of the inserting piece 9 plays a role in fixing the limiting piece 8.

[0035] The bottom of the unit box 1 is fixedly connected with a plurality of universal wheels 10, and one side of the unit box 1 is provided with a slot adapted to the fixing plate 202, and the setting of the slot facilitates the insertion of the fixing plate 202;

[0036] A detector 11 is fixedly connected to the top of the unit box 1, one end of the detector 11 is connected to an electrostatic deflection plate 12, and one end of the electrostatic deflection plate 12 is connected to a three-unit lens 13. The three-unit lens 13 is arranged to focus or disperse the light.

[0037] One end of the three-unit lens 13 is connected to a deflection magnet 14, one end of the deflection magnet 14 is connected to a charge exchange unit 15, and one end of the charge exchange unit 15 is connected to a single lens 16. The single lens 16 plays an adjustment role.

[0038] One end of the single lens 16 is connected to the ECR ion source 17. The surface of the support column 4 is provided with a threaded hole adapted to the threaded rod 501. The setting of the threaded hole facilitates the rotation and lifting of the threaded rod 501.

[0039] The stirring assembly 19 includes a rotating rod 1901 rotatably connected to the top of the sample processing tube 18, a driving motor 1902 is fixedly connected to the top of the rotating rod 1901, and two groups of stirring blades 1903 are sleeved on the surface of the rotating rod 1901. The setting of the stirring blades 1903 plays a role in accelerating the reaction rate;

[0040] A butt joint pipe 21 is threadedly connected to one side of the ECR ion source 17 , and two sets of sealing rings 22 are sleeved on the surface of the butt joint pipe 21 . The sealing rings 22 are arranged to increase the sealing performance.

[0041] In the utility model, the working steps of the device are as follows:

[0042] Step 1: When two sets of unit boxes 1 need to be installed and docked, the two sets of unit boxes 1 are aligned by rolling the universal wheel 10, the fixing sheet 202 is inserted into the slot cavity, and then the limiting sheet 8 is pulled to drive the connecting sheet 201 and the fixing sheet 202 to be pulled down, so that the fixing sheet 202 is inserted into the groove in the slot, and then the limiting sheet 8 is rotated and the inserting sheet 9 is inserted to fix it;

[0043] Step 2: After the unit box 1 is docked, pull the support column 4 to rotate on the surface of the rotating bolt 3, and then twist the adjustment cap 502 to drive the threaded rod 501 to rotate and retract in the support column 4. When the equipment is running, the vibration generated is transmitted to the connecting block 6 through the unit box 1, and then reaches the buffer spring 701. The buffer spring 701 is deformed by force to generate elastic force to offset the vibration;

[0044] The third step: when measurement is required, the quick-connect pipe 20 on the sample processing tube 18 is inserted into the surface of the docking pipe 21, and the sealing ring 22 is used to strengthen the seal. The test sample is then passed into the sample processing tube 18 to react with the catalyst in the sample processing tube 18. At the same time, the drive motor 1902 is started to drive the rotating rod 1901 and the stirring blade 1903 to rotate.

[0045] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0046] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0047] Although the 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. A carbon-14 accelerator mass spectrometry device, comprising a unit box (1), characterized in that: The unit box (1) is internally slidably connected with four groups of limit assemblies (2), two groups of rotating bolts (3) are fixedly connected to both sides of the bottom of the unit box (1), the surface of the rotating bolts (3) is rotatably connected to the support column (4), the internal thread of the support column (4) is connected to the adjustment assembly (5), the bottom of the adjustment assembly (5) is sleeved with a connecting block (6), the bottom of the connecting block (6) is fixedly connected to a noise reduction assembly (7), the top of the unit box (1) is fixedly connected to a sample processing cylinder (18), the top of the sample processing cylinder (18) is rotatably connected to a stirring assembly (19), and the surface of the sample processing cylinder (18) is connected to a quick-connect pipe (20).

2. The carbon-14 accelerator mass spectrometry device according to claim 1, characterized in that: The limiting assembly (2) comprises a connecting piece (201) slidably connected to the inside of the unit box (1), and a fixing piece (202) is fixedly connected to one side of the connecting piece (201).

3. The carbon-14 accelerator mass spectrometry device according to claim 1, characterized in that: The adjustment assembly (5) comprises a threaded rod (501) threadedly connected to the interior of the support column (4), and the top of the threaded rod (501) is fixedly connected to the adjustment cap (502).

4. The carbon-14 accelerator mass spectrometry device according to claim 1, characterized in that: The noise reduction component (7) comprises a buffer spring (701) fixedly connected to the bottom of the connection block (6), and the bottom of the buffer spring (701) is fixedly connected to a base (702).

5. The carbon-14 accelerator mass spectrometry device according to claim 2, characterized in that: One end of the connecting piece (201) is rotatably connected to the limiting piece (8), and an inserting piece (9) is inserted into the interior of the limiting piece (8).

6. The carbon-14 accelerator mass spectrometry device according to claim 2, characterized in that: A plurality of sets of universal wheels (10) are fixedly connected to the bottom of the unit box (1), and a slot adapted to the fixing plate (202) is provided on one side of the unit box (1).

7. The carbon-14 accelerator mass spectrometry device according to claim 1, characterized in that: A detector (11) is fixedly connected to the top of the unit box (1), one end of the detector (11) is connected to an electrostatic deflection plate (12), and one end of the electrostatic deflection plate (12) is connected to a three-unit lens (13).

8. The carbon-14 accelerator mass spectrometry device according to claim 7, characterized in that: One end of the three-unit lens (13) is connected to a deflection magnet (14), one end of the deflection magnet (14) is connected to a charge exchange unit (15), one end of the charge exchange unit (15) is connected to a single lens (16), one end of the single lens (16) is connected to an ECR ion source (17), and a threaded hole adapted to the threaded rod (501) is provided on the surface of the support column (4).

9. The carbon-14 accelerator mass spectrometry device according to claim 1, characterized in that: The stirring assembly (19) includes a rotating rod (1901) rotatably connected to the top of the sample processing cylinder (18), the top of the rotating rod (1901) is fixedly connected to a driving motor (1902), and the surface of the rotating rod (1901) is sleeved with two groups of stirring blades (1903).

10. The carbon-14 accelerator mass spectrometry device according to claim 8, characterized in that: One side of the ECR ion source (17) is threadedly connected to a butt joint (21), and two sets of sealing rings (22) are sleeved on the surface of the butt joint (21).

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