阅读说明：本技术 一种核磁共振超导磁体用安置防护装置 (Arrangement protection device for nuclear magnetic resonance superconducting magnet ) 是由 宋园园 白娜娜 韩舒 于 2021-10-11 设计创作，主要内容包括：本发明涉及一种核磁共振超导磁体用安置防护装置,有效的解决了在先技术中的核磁共振成像设备中缺乏超导磁体防水隔水结构的问题；其解决的技术方案是包括磁体和外壳,磁体置于外壳内外壳为横置的无顶无底圆筒状结构,外壳侧壁开设有大通孔；侧护板：侧护板滑动连接在大通孔内；伸缩端板：伸缩端板设置在外壳两端；切刀：切刀随侧护板同步伸缩；液位传感器：液位传感器和设置在外壳内的控制模块电连接,控制模块同时和侧护板、伸缩端板相连并控制其伸缩；当侧护板和伸缩端板伸出时,外壳成为密封外壳；本发明结构简洁,自动化程度高,可有效的在核磁共振成像设备泡水时及时将超导磁体隔水密封保护,从而防止了超导磁体的长期泡水,使用性强。(The invention relates to a mounting protection device for a nuclear magnetic resonance superconducting magnet, which effectively solves the problem that the nuclear magnetic resonance imaging equipment in the prior art is lack of a superconducting magnet waterproof and waterproof structure; the technical scheme for solving the problem is that the magnetic energy-saving device comprises a magnet and a shell, wherein the magnet is arranged in the shell, the shell is of a transverse non-top and non-bottom cylindrical structure, and the side wall of the shell is provided with a large through hole; side guard plate: the side guard plate is connected in the large through hole in a sliding manner; a telescopic end plate: the telescopic end plates are arranged at two ends of the shell; a cutter: the cutter is synchronously telescopic along with the side guard plate; a liquid level sensor: the liquid level sensor is electrically connected with a control module arranged in the shell, and the control module is simultaneously connected with the side guard plate and the telescopic end plate and controls the telescopic end plate to stretch; when the side guard plate and the telescopic end plate extend out, the shell becomes a sealed shell; the superconducting magnet sealing device is simple in structure and high in automation degree, can effectively seal and protect the superconducting magnet in a water-proof manner in time when the nuclear magnetic resonance imaging equipment is soaked in water, so that the superconducting magnet is prevented from being soaked in water for a long time, and is high in usability.)

1. The arrangement protection device for the nuclear magnetic resonance superconducting magnet is characterized by comprising a magnet (1) and a shell (2), wherein the magnet (1) is arranged in the shell (2), the shell (2) is of a transverse non-top and non-bottom cylindrical structure, and a large through hole (3) is formed in the side wall of the shell (2);

side guard plate (4): the side guard plate (4) is connected in the large through hole (3) in a sliding manner;

telescoping end plate (5): the telescopic end plates (5) are arranged at two ends of the shell (2);

a cutter (6): the cutter (6) is synchronously telescopic with the side guard plate (4);

level sensor (7): the liquid level sensor (7) is electrically connected with a control module arranged in the shell (2), and the control module is simultaneously connected with the side guard plate (4) and the telescopic end plate (5) and controls the telescopic movement of the side guard plate and the telescopic end plate;

when the side guard plate (4) and the telescopic end plate (5) extend out, the shell (2) becomes a sealed shell (2).

2. A containment guard for a nmr superconducting magnet according to claim 1, wherein the cutting blade (6) is surrounded by an insulating rubber sheath (8).

3. The arrangement protection device for the superconducting magnet according to claim 1, wherein the upper end and the lower end of the side wall of the shell (2) are respectively provided with an arc-shaped bin (9), and the side guard plate (4) is connected in the arc-shaped bins (9) in a sliding way;

the side telescopic cylinder (10) is arranged at two ends of the shell (2), the side telescopic cylinder (10) is connected with the adjacent side guard plate (4), and the side telescopic cylinder (10) is connected with the control module.

4. A placement protector for a nmr superconducting magnet according to claim 1, characterized in that four of said telescopic end plates (5) are provided at each end of said housing (2), and each of said telescopic end plates (5) is a quarter circle after being completely extended.

5. A mounting guard for a nmr superconducting magnet according to claim 1 or 2, wherein the magnet (1) is provided with a circuit platform (11), and the cutting blade (6) is slidably connected to the circuit platform (11).

6. A placement protector for a NMR superconducting magnet according to claim 5, characterized in that an inner telescopic cylinder (12) connected to the circuit board (11) is provided at one end of the cutter (6), and the inner telescopic cylinder (12) is electrically connected to the control module.

7. The installation protector for the NMR superconducting magnet according to claim 1, wherein the side wall of the shell (2) is fixedly connected with a supporting leg (13), the supporting leg (13) is of a hollow structure and is communicated with the outside, and the liquid level sensor (7) is arranged in the supporting leg (13).

Technical Field

The invention relates to the technical field of nuclear magnetic equipment, in particular to a mounting protection device for a nuclear magnetic resonance superconducting magnet.

Background

The nuclear magnetic resonance imaging is a latest medical image new technology utilizing the nuclear magnetic resonance principle, has excellent diagnosis functions on organs such as brain, thyroid, liver, gallbladder, spleen, kidney, pancreas, adrenal gland and the like, as well as heart and great vessels, and has the advantages of multiple imaging parameters, high scanning speed, high tissue resolution, clearer image and the like.

The nuclear Magnetic Resonance Imaging (MRI) uses the principle of Nuclear Magnetic Resonance (NMR), and detects the emitted electromagnetic waves by an external gradient magnetic field according to the different attenuations of the released energy in different structural environments inside the substance, so as to obtain the positions and the types of the nuclei constituting the object, and accordingly, the structural image inside the object can be drawn. In the medical field, it is possible to form fine and sharp images of organs and tissues of various parts of the body of a patient. Unlike X-ray and CT scans, MRI scans are not harmful to the human body to ionizing radiation. The images of MRI scans are sharper and finer than those of X-ray and CT scans.

Among them, the superconducting magnet has a very important role in the nuclear magnetic resonance imaging apparatus as a magnetic generation component in the nuclear magnetic resonance imaging apparatus, and is expensive. In a plurality of large floods in recent history in China, the water soaking damage of the superconducting magnet is one of the core reasons of damage of nuclear magnetic resonance imaging equipment. And once the superconducting magnet is soaked in water for a long time, the superconducting magnet is difficult to repair and reuse and can only be replaced generally.

Although the frequency of flood is not high, once flood occurs, the superconducting magnet is damaged by nearly one hundred percent, so that the design of a redundant waterproof structure of the superconducting magnet is necessary. But the waterproof and waterproof protection structure for the superconducting magnet in the existing nuclear magnetic resonance imaging equipment is obviously insufficient.

Accordingly, the present invention provides a mounting guard for a nmr superconducting magnet to solve the above problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the arrangement protection device for the nuclear magnetic resonance superconducting magnet, and the problem that the nuclear magnetic resonance imaging equipment in the prior art is lack of a superconducting magnet waterproof and waterproof structure is effectively solved.

The invention comprises a magnet and a shell, wherein the magnet is arranged in the shell, the shell is of a transverse non-top and non-bottom cylindrical structure, and the side wall of the shell is provided with a large through hole;

side guard plate: the side guard plate is connected in the large through hole in a sliding manner;

a telescopic end plate: the telescopic end plates are arranged at two ends of the shell;

a cutter: the cutter is synchronously telescopic with the side guard plate;

a liquid level sensor: the liquid level sensor is electrically connected with a control module arranged in the shell, and the control module is simultaneously connected with the side guard plate and the telescopic end plate and controls the telescopic of the side guard plate and the telescopic end plate;

when the side guard plate and the telescopic end plate extend out, the shell becomes a sealed shell. ,

preferably, the outside of the cutting knife is wrapped by an insulating rubber sleeve.

Preferably, the upper end and the lower end of the side wall of the shell are both provided with arc bins, and the arc bins are connected with the side guard plates in a sliding manner;

preferably, the two ends of the shell are respectively provided with four telescopic end plates, and each telescopic end plate is a quarter circle after being completely extended out.

Preferably, the magnet is provided with a circuit platform, and the cutter is connected to the circuit platform in a sliding manner.

Preferably, one end of the cutter is provided with an inner telescopic cylinder connected with the circuit platform, and the inner telescopic cylinder is electrically connected with the control module.

Preferably, the side wall of the shell is fixedly connected with a supporting leg which is of a hollow structure and communicated with the outside, and the supporting leg is internally provided with the liquid level sensor.

Preferably, the width of the cutting knife is less than or equal to 1 cm.

The invention improves the problem that the nuclear magnetic resonance imaging equipment in the prior art is lack of a superconducting magnet waterproof and waterproof structure, and has the following beneficial effects:

1. the cylindrical shell with the shape similar to that of the superconducting magnet is arranged, so that the shell is prevented from occupying a larger space in the nuclear magnetic resonance imaging equipment, the shape of the nuclear magnetic resonance imaging equipment is ensured not to be changed on the basis of the prior art, and the practicability of the structure is ensured;

2. the side guard plates and the telescopic end plates which can be sealed and closed are arranged, so that the superconducting magnet can be sealed, insulated and wrapped temporarily in a flood, and the superconducting magnet is prevented from being soaked in water;

3. the cutting knife is arranged, and connecting circuits between the superconducting magnet and other parts of the nuclear magnetic resonance imaging equipment are cut off while the side protection plate and the telescopic end plate are closed and close to each other, so that the superconducting magnet is prevented from being damaged due to short circuit, and the side protection plate and the telescopic end plate can be ensured to better seal and store the superconducting magnet in a water-proof manner;

4. an insulating rubber sleeve is arranged outside the cutter, so that the cutter can complete circuit breaking after a circuit is cut off, and the condition that the superconducting magnet is damaged due to the unstable voltage of the circuit caused by the conduction of the cutter can be avoided;

5. the central control module and the liquid level sensor are arranged, and the central control module controls the cutter, the side guard plate and the telescopic end plate to stretch, so that the device can completely complete sealing before water enters the shell;

the superconducting magnet sealing device is simple in structure and high in automation degree, can effectively seal and protect the superconducting magnet in a water-proof manner in time when the nuclear magnetic resonance imaging equipment is soaked in water, so that the superconducting magnet is prevented from being soaked in water for a long time, and is high in usability.

Drawings

Fig. 1 is a first perspective view of the present invention.

FIG. 2 is a schematic front view of the present invention.

Fig. 3 is a perspective view of the second embodiment of the present invention.

Fig. 4 is a perspective view of the present invention when sealed.

Fig. 5 is a partial perspective view of a magnet and its related structure according to the present invention.

Fig. 6 is a perspective view of the cutter and its related structure.

Fig. 7 is a schematic sectional view of a cutter and its related structure according to the present invention.

Detailed Description

The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 7. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and will not be described in detail herein.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

The embodiment one, the invention is a mounting protection device for a nuclear magnetic resonance superconducting magnet, which is characterized by comprising a magnet 1 and a shell 2, wherein the magnet 1 is a superconducting magnet, the shell 2 is arranged outside the magnet 1, the shell 2 is detachably connected in a nuclear magnetic resonance imaging device, the shell 2 provides protection for the magnet 1 and provides a fixed foundation for a subsequent structure, the magnet 1 is arranged in the shell 2, the shell 2 is a transverse cylindrical structure without a top and a bottom, the structure is adapted to the transverse cylindrical structure of the magnet 1, so that the internal space of the nuclear magnetic resonance imaging device is saved, the space utilization rate is improved, the side wall of the shell 2 is provided with a large through hole 3, referring to fig. 1, the upper end and the lower end of the side wall of the shell 2 are both provided with arc-shaped bins 9, and the space between the two arc-shaped bins 9 forms the large through hole 3, the arrangement of the large through hole 3 is convenient for a cable of the magnet 1 to penetrate through and be connected with other parts of the nuclear magnetic resonance imaging equipment, and meanwhile, the ventilation and heat dissipation effects are achieved in daily use, the side guard plates 4 are connected in the arc-shaped bin 9 in a sliding mode, the side guard plates 4 are connected to the inner side guard plates 4 of the large through hole 3 in a sliding mode and can stretch out and draw back in the arc-shaped bin 9, when the side guard plates 4 extend out, the side guard plates 4 slide in the corresponding large through holes 3, when the side guard plates 4 completely extend out, the two adjacent side guard plates 4 are in contact and fit with each other, so that the large through holes 3 are sealed, the front end of each side guard plate 4 is in a step shape, when the two side guard plates 4 are spliced, the end heads of the side guard plates 4 are provided with sealing strips, and the replacing parts are spliced in a staggered mode, so that the waterproof sealing effect is achieved;

the two ends of the shell 2 are provided with side telescopic cylinders 10, the side telescopic cylinders 10 are connected with the adjacent side guard plates 4, the side telescopic bars 10 are hydraulic cylinders, a miniature hydraulic pump is arranged in the shell 2, the side telescopic cylinders 10 can also be electric telescopic cylinders, pneumatic cylinders are not suitable for use, the side telescopic cylinders 10 are connected with a control module, and the control module can control the side telescopic cylinders 10 to stretch;

the telescopic end plate 5: the flexible end plate 5 set up 2 both ends of shell, flexible end plate 5 be multistage telescoping cylinder, it can be the pneumatic cylinder, shell 2 in be provided with miniature hydraulic pump, flexible end plate 5 also can be electronic telescoping cylinder, and should not choose for use pneumatic cylinder, flexible end plate 5 and control module link to each other, the flexible of the steerable flexible end plate 5 of control module, when the flexible end plate 5 of side stretches out, it can be totally enclosed the one end of shell 2, the end of flexible end plate 5 can have the sealing strip.

Referring to fig. 4, four telescopic end plates 5 are respectively arranged at two ends of the housing 2, each telescopic end plate 5 is a quarter circle after being completely extended, the housing 2 at the uppermost end of the four telescopic end plates 5 is a part of a quarter cake-shaped body, a plurality of small telescopic plates are accommodated in the housing, after the small telescopic plates are completely extended, the telescopic end plates 5 form a complete quarter cake-shaped structure, and one end of the housing 2 can be completely sealed by the four telescopic end plates 5;

a cutter 6: the cutting knives 6 are synchronously telescopic along with the side guard plates 4, at the moment, the cutting knives 6 are arranged on the inner sides of the side guard plates 4, when two adjacent side guard plates 4 are spliced, the corresponding cutting knives 6 are contacted with each other so as to cut off the cable, and the effect of forced cutting off and communication is achieved;

a liquid level sensor 7: the liquid level sensor 7 is electrically connected with a control module arranged in the shell 2, the control module is connected with an external power supply and supplies power to each connected electronic component, the control module is simultaneously connected with the side guard plate 4 and the telescopic end plate 5 and controls the telescopic end plate to stretch, the control module can control the working states of the side telescopic cylinder 10 and the telescopic end plate 5 according to the real-time liquid level condition monitored by the liquid level sensor 7, and when the side guard plate 4 and the telescopic end plate 5 stretch out, the shell 2 becomes the sealed shell 2;

a sealing water level threshold value and an opening water level threshold value are preset in the control module, when the real-time water level monitored by the liquid level sensor 7 is greater than the sealing water level threshold value, the control module controls the telescopic end plate 5 and the side protection plate 4 to extend out and enable the shell 2 to form a sealed water-proof container, and when the real-time water level monitored by the liquid level sensor 7 is less than the opening water level threshold value, the control module controls the telescopic end plate 5 and the side protection plate 4 to retract;

it should be noted that control module set up and be in 2 outsides of shell and be located the eminence to guarantee that the initial control module of intaking can normally work, if this device is soaked water for a long time and is leaded to becoming invalid simultaneously, then need maintain control module in advance, also can adopt the broken means of tearing open of violence to lift off side guard plate 4.

In the second embodiment, referring to fig. 5, on the basis of the first embodiment, a circuit board 11 is disposed on the magnet 1, the magnet 1 is connected to other components of the mri apparatus through the circuit board 11 and a cable, the cutter 6 is slidably connected to the circuit board 11, an inner telescopic cylinder 12 connected to the circuit board 11 is disposed at one end of the cutter 6, the inner telescopic cylinder 12 is electrically connected to the control module, and the inner telescopic cylinder 12 is an electric telescopic cylinder to reduce the overall weight of the structure;

when the real-time water level of level sensor 7 monitoring is greater than sealed water level threshold value, when control module control end plate 5 and side guard plate 4 stretched out, control module control interior telescopic cylinder 12 was flexible once earlier to cut off the circuit on the circuit platform 11 is whole, later when side guard plate 4 stretches out, the circuit can roll off shell 2 under gravity and the promotion of side guard plate 4, clip the cable when effectual side guard plate 4 aligns sealedly and influence sealed effect.

In a third embodiment, on the basis of the second embodiment, referring to fig. 5, 6 and 7, an insulating rubber sleeve 8 is wrapped outside the cutting knife 6, the insulating rubber sleeve 8 is connected with the inner telescopic cylinder 12, the insulating rubber sleeve 8 is arranged to ensure that the cutting knife 6 completes circuit breaking after a circuit is cut off, the condition that the superconducting magnet is damaged due to instability of circuit voltage caused by the conduction of the cutting knife 6 is avoided, and the cutting knife 6 is also made of a metal with poor conductivity;

the width of the cutting knife 6 is less than or equal to 1cm, namely the width of the cutting knife 6 is narrow, the cutting knife 6 only contacts with the section of the cable for a short time in the extending and retracting process of the cutting knife 6, and then the insulating rubber sleeve 8 contacts with the section of the cable.

In the fourth embodiment, on the basis of the first embodiment, referring to fig. 3, the side wall of the housing 2 is fixedly connected with a supporting leg 13, the supporting leg 13 is of a hollow structure and is communicated with the outside, that is, an internal space is arranged inside the supporting leg 13, the lower end and the side surface of the internal space are both communicated with the outside, the lower end is communicated with the liquid level sensor 7, and the side surface is communicated with the internal space for water flow to enter;

landing leg 13 in be provided with level sensor 7, level sensor 7 sets up in the inner space and the lower extreme is located the inner space and not level with landing leg 13 bottom surface, can also play the effect of protection level sensor 7.

When the water level sensor is used specifically, when the real-time water level monitored by the liquid level sensor 7 is greater than a sealed water level threshold value, the control module controls the telescopic end plate 5 and the side protection plate 4 to extend out and enables the shell 2 to form a sealed water-proof container, meanwhile, the control module controls the inner telescopic cylinder 12 to perform one-time quick telescopic action so as to cut off a cable on the circuit platform 11, and at the moment, when the side protection plate 4 extends out, a circuit can slide out of the shell 2 under the push of gravity and the side protection plate 4;

when the real-time water level monitored by the liquid level sensor 7 is less than the open water level threshold, the control module controls the telescopic end plate 5 and the side guard plate 4 to retract;

if the device is failed due to long-term water soaking, a worker can firstly maintain the control module and can also detach the side guard plate 4 by adopting a violent detaching method.

The electronic components are connected with a power supply, and the power supply can be a built-in storage battery.

The invention improves the problem that the nuclear magnetic resonance imaging equipment in the prior art is lack of a superconducting magnet waterproof and waterproof structure, and has the following beneficial effects:

1. the cylindrical shell with the shape similar to that of the superconducting magnet is arranged, so that the shell is prevented from occupying a larger space in the nuclear magnetic resonance imaging equipment, the shape of the nuclear magnetic resonance imaging equipment is ensured not to be changed on the basis of the prior art, and the practicability of the structure is ensured;

2. the side guard plates and the telescopic end plates which can be sealed and closed are arranged, so that the superconducting magnet can be sealed, insulated and wrapped temporarily in a flood, and the superconducting magnet is prevented from being soaked in water;

3. the cutting knife is arranged, and connecting circuits between the superconducting magnet and other parts of the nuclear magnetic resonance imaging equipment are cut off while the side protection plate and the telescopic end plate are closed and close to each other, so that the superconducting magnet is prevented from being damaged due to short circuit, and the side protection plate and the telescopic end plate can be ensured to better seal and store the superconducting magnet in a water-proof manner;

4. an insulating rubber sleeve is arranged outside the cutter, so that the cutter can complete circuit breaking after a circuit is cut off, and the condition that the superconducting magnet is damaged due to the unstable voltage of the circuit caused by the conduction of the cutter can be avoided;

5. the central control module and the liquid level sensor are arranged, and the central control module controls the cutter, the side guard plate and the telescopic end plate to stretch, so that the device can completely complete sealing before water enters the shell;

the superconducting magnet sealing device is simple in structure and high in automation degree, can effectively seal and protect the superconducting magnet in a water-proof manner in time when the nuclear magnetic resonance imaging equipment is soaked in water, so that the superconducting magnet is prevented from being soaked in water for a long time, and is high in usability.