Wave dispersive spectrometer capable of rapidly adding liquid helium for nuclear magnetic resonance spectrometer

Abstract

The utility model relates to the technical field of a wavelength dispersive spectrometer, in particular to a nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium, which comprises a wavelength dispersive spectrometer main body, a flow guide barrel and a liquid nitrogen storage tank, a supporting foot stool is fixed at the side end of the wavelength dispersive spectrometer main body, a first one-way electromagnetic valve is arranged at the top end of a guide pipe, a detection box is arranged at the bottom end of the wavelength dispersive spectrometer main body, and the liquid nitrogen storage tank is arranged in the detection box. A reciprocating mechanism is mounted at the bottom end of the flow guide barrel. When the crankshaft rotates, the position of the movably connected connecting rod can be driven to move along the rotating angle of the crankshaft, so that the piston fixedly connected to the top end of the hinge seat can be tightly attached to the inner wall of the flow guide barrel to reciprocate in the flow guide barrel, and liquid nitrogen in the flow guide barrel can be extruded and conveyed; and the liquid nitrogen can be prevented from flowing back into the flow guide barrel and the liquid nitrogen storage tank through a first one-way electromagnetic valve and a second one-way electromagnetic valve, so that the purpose of quickly adding the liquid nitrogen into the spectrometer is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spectrometers, in particular to a spectrometer capable of quickly adding liquid helium to a nuclear magnetic resonance instrument. Background Art

[0002] Nuclear magnetic resonance, also known as nuclear magnetic resonance imaging technology, is another major advancement in medical imaging after CT. Nuclear magnetic resonance spectrometer refers to the study of the absorption of radio frequency radiation by atomic nuclei. It is one of the most powerful tools for qualitative analysis of the composition and structure of various organic and inorganic substances. Sometimes quantitative analysis can also be performed. Liquid nitrogen will be used when using a nuclear magnetic resonance spectrometer, and it needs to be replenished in time to ensure the normal operation of the device.

[0003] For example, the patent document with publication number CN219512136U discloses an electron paramagnetic resonance spectrometer, which belongs to the field of resonance spectrometers. The electron paramagnetic resonance spectrometer includes an electron paramagnetic resonance spectrometer body, the electron paramagnetic resonance spectrometer body includes a base, a detection body is arranged on the top surface of the base, a control host is arranged on one side of the base, a support plate is arranged on the bottom surface of the control host, a limiting component is arranged on the top surface of the support plate and on the side away from the base, two groups of baffles are arranged on the top surface of the support plate and on the side wall surface of the base, and the limiting component is used to cooperate with the two groups of baffles to limit the control host; at least one group of supporting components is arranged on the bottom surface of the support plate and on the side away from the base; however, the prior art still has many shortcomings, for example: after the liquid nitrogen is lost when the spectrometer is used, the liquid nitrogen cannot be quickly replenished to the device in time when the liquid nitrogen is replenished to the spectrometer, and the spectrometer needs to be powered off for replacement, which makes the replenishment process too troublesome and inefficient. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a nuclear magnetic resonance spectrometer capable of quickly adding liquid helium.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spectrometer capable of quickly adding liquid helium to a nuclear magnetic resonance instrument, comprising a spectrometer body, a guide barrel and a liquid nitrogen storage tank, a plurality of support legs are fixed to the outer wall of the spectrometer body, three sets of coil mounting tubes are arranged at the top of the spectrometer body, a sample inlet is opened at the top of the spectrometer body, and a nuclear magnetic tube is arranged at the top of the spectrometer body;

[0006] The right side end of the spectrometer body is connected to a guide tube, a first one-way solenoid valve is installed at the top of the guide tube, a guide barrel is connected to the bottom end of the guide tube, a detection box is installed at the bottom end of the spectrometer body, and a reciprocating mechanism is installed at the bottom end of the guide barrel.

[0007] Preferably, the reciprocating mechanism includes a working box, a motor, a crankshaft, a connecting rod, an articulated seat and a piston. The working box is fixed to the bottom end of the diversion barrel, the motor is fixed to the bottom end of the working box, the crankshaft is fixed to the front end of the motor, one end of the crankshaft is movably connected to a connecting rod, the top end of the connecting rod is movably connected to the articulated seat, the top end of the articulated seat is fixed to a piston, and the outer end of the piston is tightly attached to the inner wall of the diversion barrel.

[0008] Preferably, one end inside the articulated seat is movably connected to a connecting rod, and the bottom end of the connecting rod is movably connected to the crankshaft.

[0009] Preferably, the support legs are mounted on the outer side of the spectrometer body, the support legs are arranged at equal intervals about the central axis of the spectrometer body, and the inner side ends of the support legs are fixedly mounted on the outer side of the spectrometer body.

[0010] Preferably, the guide barrel is fixedly mounted on the top of the working box, and the guide barrel is in the shape of a cylinder.

[0011] Preferably, the top end of the guide barrel is connected to a delivery pipe, a second one-way solenoid valve is installed on the top end of the delivery pipe, the side end of the delivery pipe is connected to a liquid nitrogen storage tank, and a fixed tripod is fixedly installed on the outer end of the liquid nitrogen storage tank.

[0012] Preferably, the detection box is fixed to the bottom end of the spectrometer body, a probe mounting hole is provided at the front end of the detection box, and a detection connector is provided at one end inside the probe mounting hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, liquid nitrogen can be transported to the inside of the guide barrel by connecting a delivery pipe at the side end of the liquid nitrogen storage tank, and the backflow of liquid nitrogen can be prevented by installing a second one-way solenoid valve, and the liquid nitrogen can be transported to the inside of the spectrometer body to replenish the liquid nitrogen through the guide pipe connected to the top of the guide barrel, and the liquid nitrogen can be prevented from flowing back to the inside of the guide barrel by the installed first one-way solenoid valve, so as to achieve the purpose of replenishing the liquid nitrogen consumed when the spectrometer body is used; further, when the liquid nitrogen enters the guide barrel through the delivery pipe, the motor installed at the bottom of the working box is energized, and the motor can drive the curved plate when it is running. The shaft rotates, thereby driving the connecting rod movably connected inside the crankshaft to rotate. Since the front side end of the crankshaft is movably connected to the inner front wall of the working box, when the crankshaft rotates, the position of the movably connected connecting rod can be driven to move along the rotation angle of the crankshaft, so that the piston fixedly connected by the top of the hinge seat can be closely attached to the inner wall of the guide barrel and reciprocate inside the guide barrel, so that the liquid nitrogen inside the guide barrel can be squeezed and transported, and the first one-way solenoid valve and the second one-way solenoid valve can prevent the liquid nitrogen from flowing back into the guide barrel and the liquid nitrogen storage tank, so as to achieve the purpose of quickly adding liquid nitrogen to the spectrometer; BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a bottom-up three-dimensional structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the guide tube of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the reciprocating mechanism of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the detection box of the utility model;

[0021] In the figure: 1. Spectrometer body; 2. Support tripod; 3. Sample inlet; 4. Coil mounting tube; 5. Nuclear magnetic tube; 6. Guide tube; 7. First one-way solenoid valve; 8. Diversion barrel; 9. Reciprocating mechanism; 901. Working box; 902. Motor; 903. Crankshaft; 904. Connecting rod; 905. Articulated seat; 906. Piston; 10. Delivery pipe; 11. Second one-way solenoid valve; 12. Liquid nitrogen storage tank; 13. Fixed tripod; 14. Detection box; 15. Probe mounting hole; 16. Detection joint. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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. Example 1

[0023] A NMR spectrometer capable of rapid addition of liquid helium, such as Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, a nuclear magnetic resonance spectrometer capable of quickly adding liquid helium includes a spectrometer body 1, a guide barrel 8 and a liquid nitrogen storage tank 12. A plurality of support legs 2 are fixed to the outer wall of the spectrometer body 1. The support legs 2 are installed at the outer end of the spectrometer body 1. The support legs 2 are arranged at equal intervals about the central axis of the spectrometer body 1, and the inner ends of the support legs 2 are fixedly installed on the outer end of the spectrometer body 1.

[0024] Three groups of coil mounting tubes 4 are arranged at the top of the spectrometer body 1, a sample inlet 3 is opened at the top of the spectrometer body 1, a nuclear magnetic resonance tube 5 is arranged at the top of the spectrometer body 1, the right side end of the spectrometer body 1 is connected with a guide tube 6, a first one-way solenoid valve 7 is installed at the top of the guide tube 6, the solenoid valve is the prior art and can be opened and closed by electric control, the bottom end of the guide tube 6 is connected with a guide barrel 8, a detection box 14 is installed at the bottom end of the spectrometer body 1, and a reciprocating mechanism 9 is installed at the bottom end of the guide barrel 8.

[0025] like Figure 3 and Figure 4As shown, the reciprocating mechanism 9 includes a working box 901, a motor 902, a crankshaft 903, a connecting rod 904, an articulated seat 905 and a piston 906. The working box 901 is fixed to the bottom end of the guide barrel 8, the motor 902 is fixed to the bottom end of the working box 901, the crankshaft 903 is fixed to the front side end of the motor 902, one end of the crankshaft 903 is movably connected to the connecting rod 904, the top end of the connecting rod 904 is movably connected to the articulated seat 905, one end of the articulated seat 905 is movably connected to the connecting rod 904, the bottom end of the connecting rod 904 is movably connected to the crankshaft 903, the top end of the articulated seat 905 is fixed to the piston 906, and the outer end of the piston 906 is tightly attached to the inner wall of the guide barrel 8.

[0026] like Figure 1 , Figure 2 and Figure 5 As shown, the guide barrel 8 is fixedly installed on the top of the working box 901, and the guide barrel 8 is in the shape of a cylinder. The top of the guide barrel 8 is connected to a delivery pipe 10, and a second one-way solenoid valve 11 is installed on the top of the delivery pipe 10. The side end of the delivery pipe 10 is connected to a liquid nitrogen storage tank 12, and a fixed tripod 13 is fixedly installed on the outer end of the liquid nitrogen storage tank 12. The detection box 14 is fixed to the bottom end of the spectrometer body 1, and a probe mounting hole 15 is provided at the front side end of the detection box 14. A detection connector 16 is provided at one end inside the probe mounting hole 15. After the detection probe is connected to the detection connector 16 inside the probe mounting hole 15 at the front side end of the detection box 14, the remaining contents of carbon, nitrogen and phosphorus inside the spectrometer body 1 can be detected.

[0027] When the first embodiment is working, the motor 902 installed at the bottom of the working box 901 is energized. When the motor 902 is running, it can drive the crankshaft 903 to rotate, thereby driving the connecting rod movably connected inside the crankshaft to rotate. Since the front side end of the crankshaft 903 is movably connected to the inner front wall of the working box 901, when the crankshaft 903 rotates, the position of the movably connected connecting rod 904 can be driven to move along the rotation angle of the crankshaft 903, so that the piston 906 fixedly connected by the top of the hinge seat 905 can be close to the inner wall of the guide barrel 8 in the guide barrel. 8 reciprocates inside, so that the liquid nitrogen in the guide barrel 8 can be squeezed and transported, and the first one-way solenoid valve 7 and the second one-way solenoid valve 11 can prevent the liquid nitrogen from flowing back into the guide barrel 8 and the liquid nitrogen storage tank 12. After the detection probe is connected to the detection connector 16 arranged inside the probe mounting hole 15 at the front end of the detection box 14, the remaining content of carbon, nitrogen and phosphorus in the spectrometer body 1 can be detected, and the data can be displayed on the display screen at the front end of the working box 901, which can effectively remind the user to record the data.

[0028] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium, comprising a spectrometer body (1), characterized in that: A plurality of supporting legs (2) are fixed to the outer wall of the spectrometer body (1); three sets of coil mounting tubes (4) are arranged at the top of the spectrometer body (1); a sample inlet (3) is opened at the top of the spectrometer body (1); and a nuclear magnetic resonance tube (5) is arranged at the top of the spectrometer body (1); The right side end of the spectrometer body (1) is connected to a guide tube (6), the top end of the guide tube (6) is equipped with a first one-way solenoid valve (7), the bottom end of the guide tube (6) is connected to a guide barrel (8), the bottom end of the spectrometer body (1) is equipped with a detection box (14), and the bottom end of the guide barrel (8) is equipped with a reciprocating mechanism (9); The reciprocating mechanism (9) comprises a working box (901), a motor (902), a crankshaft (903), a connecting rod (904), a hinge seat (905) and a piston (906); the working box (901) is fixed to the bottom end of the guide barrel (8); the motor (902) is fixed to the bottom end of the working box (901); and the crankshaft (903) is fixed to the front side end of the motor (902).

2. A nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium according to claim 1, characterized in that: One end of the crankshaft (903) is movably connected to a connecting rod (904), the top end of the connecting rod (904) is movably connected to a hinge seat (905), the top end of the hinge seat (905) is fixed with a piston (906), and the outer end of the piston (906) is tightly attached to the inner wall of the guide barrel (8).

3. A nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium according to claim 2, characterized in that: One end of the interior of the articulated seat (905) is movably connected to a connecting rod (904), and the bottom end of the connecting rod (904) is movably connected to the crankshaft (903).

4. A nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium according to claim 1, characterized in that: The support legs (2) are mounted on the outer end of the spectrometer body (1), the support legs (2) are arranged at equal intervals about the central axis of the spectrometer body (1), and the inner end of the support legs (2) is fixedly mounted on the outer end of the spectrometer body (1).

5. A nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium according to claim 1, characterized in that: The guide barrel (8) is fixedly mounted on the top of the working box (901), and the guide barrel (8) is in the shape of a cylinder.

6. A nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium according to claim 1, characterized in that: The top end of the guide barrel (8) is connected to a delivery pipe (10), a second one-way solenoid valve (11) is installed at the top end of the delivery pipe (10), a side end of the delivery pipe (10) is connected to a liquid nitrogen storage tank (12), and a fixed tripod (13) is fixedly installed at the outer end of the liquid nitrogen storage tank (12).

7. A nuclear magnetic resonance spectrometer capable of rapidly adding liquid helium according to claim 1, characterized in that: The detection box (14) is fixed to the bottom end of the spectrometer body (1), a probe mounting hole (15) is provided at the front end of the detection box (14), and a detection connector (16) is provided at one end inside the probe mounting hole (15).

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