Quenching tube for vehicle-mounted nuclear magnetic resonance system and vehicle-mounted nuclear magnetic resonance system

Abstract

The utility model provides a quench tube for a vehicle-mounted nuclear magnetic resonance system and the vehicle-mounted nuclear magnetic resonance system. The quench pipe comprises a circulation section, a bending section and an outlet section, the first end of the circulation section is communicated with a liquid helium storage device of the magnetic resonance equipment, and the second end of the circulation section extends in the horizontal direction; the first end of the bent section is connected to the second end of the circulation section, and the bent section extends downwards in an S shape so that the height of the second end of the bent section can be reduced to be smaller than the preset vehicle height; the first end of the outlet section communicates with the second end of the bent section, and the second end of the outlet section extends out of the equipment compartment. The S-shaped bent section reduces the height of the quench pipe, and on the premise that the arrangement requirement of the quench pipe is met, the requirement for the height of a vehicle in the road traffic safety law is met at the same time. The quench pipe outlet can work normally in the transfer process of the vehicle-mounted nuclear magnetic resonance system, and the transfer safety is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of nuclear magnetic resonance medical equipment, in particular to a quench tube for a vehicle-mounted nuclear magnetic resonance system and the vehicle-mounted nuclear magnetic resonance system. Background Art

[0002] Superconducting magnetic resonance magnets rely on liquid helium to maintain the superconducting state of the coils. Liquid helium, at a temperature of -269°C, normally volatilizes minimally. However, in emergencies, a quench may occur, during which the -269°C liquid helium inside the magnet expands at a rate of 1:739 to convert into a gaseous state. Therefore, a sufficiently thick quench tube made of non-ferromagnetic metal must be connected from the outlet above the magnet to the outside atmosphere. Cryogenic helium poses the following risks: frostbite, oxygen enrichment, overpressure, and asphyxiation. Therefore, the quench tube outlet must be designed to ensure the safety of nearby personnel in the event of a quench. The quench tube outlet must be located away from crowded areas and prevent foreign objects from clogging the tube.

[0003] To ensure personal safety during a quench, quench tubes have a series of layout requirements, with horizontal and vertical arrangements being the most common. Furthermore, according to the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China," the height of heavy-duty and medium-duty trucks and semi-trailer cargo must not exceed 4 meters from the ground. If the overall height of an on-board MRI system is already at or near 4 meters, a vertically positioned quench tube outlet would cause the vehicle to be excessively high, rendering it unsafe for use on the road. If a conventional horizontal quench tube were used, the outlet would also need to be at least 5 meters above the ground, which would also exceed the vehicle's height requirement. Utility Model Content

[0004] The technical problem to be solved by the present invention is to overcome the above-mentioned defects and provide a quench tube for a vehicle-mounted nuclear magnetic resonance system and a vehicle-mounted nuclear magnetic resonance system.

[0005] The utility model achieves the above technical effects through the following technical solutions:

[0006] The utility model provides a quench tube for a vehicle-mounted nuclear magnetic resonance system. The quench tube is a hollow tubular channel and comprises:

[0007] a flow section, wherein a first end of the flow section is connected to a liquid helium storage device of the magnetic resonance apparatus, and a second end of the flow section extends in a horizontal direction;

[0008] a bending section, wherein a first end of the bending section is connected to the second end of the flow section, and the bending section extends downward in an S-shape so that the height of the second end of the bending section is reduced to less than a preset vehicle height;

[0009] An outlet section, wherein a first end of the outlet section is connected to the second end of the bending section, and the second end of the outlet section extends out of the equipment cabin.

[0010] In this solution, the S-shaped bend reduces the height of the quench tube by employing the aforementioned structural features. This not only meets the quench tube placement requirements but also satisfies the vehicle height requirements of the Road Traffic Safety Law. This allows the quench tube outlet to function properly during transport of the vehicle-mounted NMR system, significantly improving transport safety.

[0011] Preferably, the quench tube further includes a connecting section, both ends of which are connected to the outlet section and the bending section, and the connecting section is passed through the wall of the equipment cabin.

[0012] Preferably, the quench tube comprises an insulating flange, and the outlet section is connected to the bending section via the insulating flange.

[0013] In this solution, an insulating flange is provided to insulate the outlet section to prevent the secondary grounding from affecting the equipment imaging.

[0014] Preferably, the outlet section includes a bending portion and an outlet portion connected to each other, the first end of the bending portion is connected to the second end of the bending section, the second end of the bending portion extends in an obliquely downward direction, and the outlet portion extends in an obliquely upward direction.

[0015] In this solution, the second end of the bent portion extends in an obliquely downward direction, which can further reduce the height of the outlet section, thereby further reducing the height of the quench tube.

[0016] Preferably, the quench tube further comprises a telescopic portion, which is provided on the flow section and is configured to be telescopic in length in a horizontal direction.

[0017] In this solution, by providing a telescopic portion, the length of the quench tube in the horizontal direction can be adjusted, so that it can be adapted to magnetic resonance equipment of different installation positions and different sizes.

[0018] Preferably, the outlet section extends obliquely upward, and the top of the outlet section is not higher than a preset vehicle height.

[0019] Preferably, the outlet section is configured to be rotatable relative to the bending section to change the angle of the outlet section.

[0020] A vehicle-mounted nuclear magnetic resonance system includes the above-mentioned quench tube for a vehicle-mounted nuclear magnetic resonance system. The vehicle-mounted nuclear magnetic resonance system also includes the equipment cabin and the magnetic resonance device. The magnetic resonance device is disposed in the equipment cabin. A first end of the flow section of the quench tube is connected to a liquid helium storage device of the magnetic resonance device, and the outlet section of the quench tube extends outside the equipment cabin.

[0021] In this solution, the curved section reduces the height of the quench tube by employing the aforementioned structural features. This not only meets the quench tube placement requirements but also satisfies the vehicle height requirements of the Road Traffic Safety Law. This allows the quench tube outlet to function properly during transport of the vehicle-mounted NMR system, significantly improving transport safety.

[0022] Preferably, the quench tube further comprises a connecting section, both ends of which are connected to the outlet section and the bending section, and the connecting section is provided through the wall surface of the equipment cabin;

[0023] An accommodating hole is opened on the wall surface of the equipment cabin, and the connecting section passes through the accommodating hole.

[0024] In this solution, the above-mentioned structural arrangement enables the outlet section to extend out of the equipment compartment.

[0025] Preferably, the vehicle-mounted nuclear magnetic resonance system further comprises a sealing member, which is provided in the gap between the inner surface of the accommodating hole and the outer surface of the connecting section.

[0026] On the basis of conforming to the common sense in this field, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0027] The positive progress effect of this utility model is:

[0028] By employing the aforementioned structural features, the quench tube's S-shaped bend reduces its height, thereby meeting the quench tube's placement requirements while also satisfying the vehicle height requirements of the Road Traffic Safety Act. During transport of the vehicle-mounted NMR system, the quench tube outlet can function normally, significantly improving transport safety. Similarly, a vehicle-mounted NMR system incorporating this quench tube also meets vehicle height requirements and improves transport safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that those skilled in the art will be more aware of the above and other features and advantages of the present invention.

[0030] Figure 1 Schematic diagram of the structure of a quench tube according to a preferred embodiment of the present invention.

[0031] Figure 2 It is a structural schematic diagram of an equipment cabin according to a preferred embodiment of the present utility model.

[0032] The accompanying drawings are numerals as follows:

[0033] Quench Tube 100

[0034] Circulation Section 101

[0035] Bending section 102

[0036] Exit section 103

[0037] Telescopic portion 104

[0038] Insulation flange 105

[0039] Equipment cabin 200

[0040] Magnetic resonance equipment 300 DETAILED DESCRIPTION

[0041] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.

[0042] In this document, “illustrative” means “serving as an example, instance or illustration”, and any diagram or implementation described in this document as “illustrative” should not be interpreted as a more preferred or more advantageous technical solution.

[0043] To simplify the drawings, only the parts relevant to the present invention are schematically shown in each figure. They do not represent the actual structure of the product. In addition, to simplify the drawings and facilitate understanding, in some figures, only one of the components with the same structure or function is schematically shown or labeled.

[0044] In this document, "a" not only means "only one" but also "more than one." In this document, "first," "second," and so on are used solely to distinguish one from another, and do not indicate their importance or order, or their interdependence. Nouns and pronouns referring to people in this patent application generally do not specify a specific gender.

[0045] The present invention discloses a quench tube 100 for a vehicle-mounted nuclear magnetic resonance (NMR) system. The quench tube 100 is a hollow tubular passageway comprising a flow section 101, a bend section 102, and an outlet section 103. The flow section 101 has a first end connected to a liquid helium storage device of a magnetic resonance device 300, and a second end extending horizontally. The bend section 102 has a first end connected to the second end of the flow section 101 and extends downward in an S-shape, lowering the height of the second end of the bend section 102 to less than a preset vehicle height. The outlet section 103 has a first end connected to the second end of the bend section 102, and a second end extending outside the equipment compartment 200.

[0046] In this embodiment, by employing the aforementioned structural features, the S-shaped bend 102 reduces the height of the quench tube 100, thereby satisfying the vehicle height requirements of the Road Traffic Safety Law while still meeting the placement requirements of the quench tube 100. This allows the quench tube 100 outlet to function properly during transport of the vehicle-mounted NMR system, significantly improving transport safety.

[0047] The quench tube 100 further includes a connecting section, both ends of which are connected to the outlet section 103 and the bending section 102 , and the connecting section is disposed through the wall of the equipment cabin 200 .

[0048] The quench tube 100 includes an insulating flange 105, and the outlet section 103 is connected to the bending section 102 via the insulating flange 105. By providing the insulating flange 105, the outlet section 103 is insulated to prevent secondary grounding from affecting device imaging.

[0049] The outlet section 103 includes a bend and an outlet that are interconnected. The first end of the bend is connected to the second end of the bent section 102. The second end of the bend extends diagonally downward, and the outlet extends diagonally upward. The diagonally downward extension of the second end of the bend further reduces the height of the outlet section 103, thereby further reducing the height of the quench tube 100. It also prevents external impurities from entering the quench tube 100 through the open outlet and causing blockage.

[0050] The quench tube 100 also includes a telescopic portion 104, which is disposed on the flow section 101 and is configured to be horizontally extendable. The provision of the telescopic portion 104 allows the quench tube 100 to have an adjustable horizontal length, thereby adapting it to magnetic resonance imaging devices 300 of varying sizes and locations. Specifically, the telescopic portion 104 is a stainless steel spring tube. In alternative embodiments, the telescopic portion 104 can also be another type of retractable tubing, such as an accordion-style tubing, as long as it is retractable.

[0051] The outlet section 103 extends diagonally upward, with the top of the outlet section 103 no higher than the preset vehicle height. In an alternative embodiment, the outlet section 103 is configured to rotate relative to the curved section 102 to change the angle of the outlet section 103. This allows the air outlet direction of the outlet section 103 to be adjusted as needed.

[0052] Specifically, the outlet section 103 is a tubular structure extending obliquely upward. The bottom of the open end of the outlet section 103 does not extend horizontally beyond the top of the open end, thereby providing protection against external impurities such as rainwater entering the quench tube 100. An insect-proof mesh is installed over the outlet section 103. A drainage hole is provided on the wall of the outlet section 103.

[0053] This embodiment further discloses a vehicle-mounted nuclear magnetic resonance system, including the above-mentioned quench tube 100 for a vehicle-mounted nuclear magnetic resonance system. The vehicle-mounted nuclear magnetic resonance system also includes the equipment cabin 200 and the magnetic resonance device 300. The magnetic resonance device 300 is disposed in the equipment cabin 200. A first end of the flow section 101 of the quench tube 100 is connected to a liquid helium storage device of the magnetic resonance device 300, and the outlet section 103 of the quench tube 100 extends outside the equipment cabin 200.

[0054] By adopting these structural features, the bent section 102 reduces the height of the quench tube 100, thereby meeting the vehicle height requirements of the Road Traffic Safety Law while still satisfying the layout requirements of the quench tube 100. This allows the quench tube 100 outlet to function properly during transport of the vehicle-mounted NMR system, significantly improving transport safety.

[0055] The quench tube 100 also includes a connecting section, the ends of which are connected to the outlet section 103 and the bent section 102. The connecting section is inserted through the wall of the equipment compartment 200. The wall of the equipment compartment 200 is provided with a receiving hole, through which the connecting section passes. This structural arrangement allows the outlet section 103 to extend out of the equipment compartment 200.

[0056] The vehicle-mounted MRI system further includes a sealing member disposed in the gap between the inner surface of the receiving hole and the outer surface of the connecting section. The sealing member may be a sealing ring that can be used in conjunction with the insulating flange 105 .

[0057] Although specific embodiments of the present invention have been described above, those skilled in the art will appreciate that these are merely illustrative and that the scope of protection of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, and such changes and modifications are intended to fall within the scope of protection of the present invention.

Claims

1. A quench tube for a vehicle-mounted nuclear magnetic resonance system, characterized in that: The quench tube is a hollow tubular channel, and the quench tube comprises: a flow section, wherein a first end of the flow section is connected to a liquid helium storage device of the magnetic resonance apparatus, and a second end of the flow section extends in a horizontal direction; a bending section, wherein a first end of the bending section is connected to the second end of the flow section, and the bending section extends downward in an S-shape so that the height of the second end of the bending section is reduced to less than a preset vehicle height; An outlet section, wherein a first end of the outlet section is connected to the second end of the bending section, and the second end of the outlet section extends out of the equipment cabin.

2. The quench tube for a vehicle-mounted nuclear magnetic resonance system according to claim 1, wherein: The quench tube further includes a connecting section, both ends of which are connected to the outlet section and the bending section, and the connecting section is passed through the wall of the equipment cabin.

3. The quench tube for a vehicle-mounted nuclear magnetic resonance system according to claim 1, wherein: The quench tube includes an insulating flange, and the outlet section is connected to the bending section via the insulating flange.

4. The quench tube for a vehicle-mounted nuclear magnetic resonance system according to claim 1, wherein: The outlet section includes a bending portion and an outlet portion that are connected to each other. The first end of the bending portion is connected to the second end of the bending section. The second end of the bending portion extends in an obliquely downward direction. The outlet portion extends in an obliquely upward direction.

5. The quench tube for a vehicle-mounted nuclear magnetic resonance system according to claim 1, wherein: The quench tube further includes a telescopic portion, which is provided on the flow section and is configured to be telescopic in length in a horizontal direction.

6. The quench tube for a vehicle-mounted nuclear magnetic resonance system according to claim 1, wherein: The outlet section extends obliquely upward, and the top of the outlet section is no higher than a preset vehicle height.

7. The quench tube for a vehicle-mounted nuclear magnetic resonance system according to claim 6, characterized in that: The outlet section is configured to be rotatable relative to the bending section to change the angle of the outlet section.

8. A vehicle-mounted nuclear magnetic resonance system, characterized in that: The vehicle-mounted nuclear magnetic resonance system comprises the quench tube for use in any one of claims 1 to 7, wherein the vehicle-mounted nuclear magnetic resonance system further comprises the equipment cabin and the magnetic resonance device, wherein the magnetic resonance device is disposed in the equipment cabin, a first end of a flow section of the quench tube is connected to a liquid helium storage device of the magnetic resonance device, and the outlet section of the quench tube extends outside the equipment cabin.

9. The vehicle-mounted nuclear magnetic resonance system according to claim 8, characterized in that: The quench tube further includes a connecting section, both ends of which are connected to the outlet section and the bending section, and the connecting section is passed through the wall of the equipment cabin; An accommodating hole is opened on the wall surface of the equipment cabin, and the connecting section passes through the accommodating hole.

10. The vehicle-mounted nuclear magnetic resonance system according to claim 9, wherein: The vehicle-mounted nuclear magnetic resonance system further includes a sealing member, which is arranged in a gap between the inner surface of the accommodating hole and the outer surface of the connecting section.

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