Superconducting magnet cooling device

Abstract

The utility model provides a superconducting magnet cooling device. The superconducting magnet cooling device comprises a main body mechanism and a taking-out mechanism, the main body mechanism comprises a cooling cylinder and a top cover, the top cover is arranged at the top of the cooling cylinder, and a strip-shaped groove is formed in the top cover; the taking-out mechanism comprises a connecting rod, a hollowed-out cover and a hollowed-out box, the connecting rod is arranged in the strip-shaped groove, limiting discs are integrally formed on one side of the connecting rod at equal intervals, the hollowed-out cover is fixedly connected to the bottom of the connecting rod, and the hollowed-out box is clamped with the hollowed-out cover; the connecting rod is arranged to be matched with the hollowed-out cover and the hollowed-out box to place the superconducting magnet, the hollowed-out box with the superconducting magnet is fixed in the top cover through matching of the connecting rod and the limiting disc, so that when the top cover is connected with the cooling cylinder, the superconducting magnet enters the cooling cylinder to be in contact with liquid nitrogen in the cooling cylinder to be cooled, and the superconducting magnet is cooled. As the hollow box and the hollow cover are both hollow inside, the liquid nitrogen can be fully contacted with the superconducting magnet, and the cooling treatment of the superconducting magnet can be uniformly and quickly completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a superconducting magnet cooling device, in particular to a superconducting magnet cooling device belongs to superconducting magnet cooling technical field. BACKGROUND

[0002] Superconducting magnet refers to the low temperature with the second kind superconductor that has high transformation temperature and critical magnetic field especially high coil of making electromagnet, its main feature is no electric loss that wire resistance produces, also does not have the magnetic loss that the iron core exists, has very strong practical value, application is extremely wide in industry and scientific research, but it must work under liquid helium temperature, and the cost is higher;

[0003] Liquid nitrogen pouring method is the common way of small superconducting magnet cooling at present, but there are many defects, first, liquid nitrogen pouring needs manual operation, and the bottom surface of the superconducting magnet needs to be closely combined with the container, the cooling surface is limited, the contact area between liquid nitrogen and superconducting magnet is small, which leads to that the area of liquid nitrogen directly cooling the surface of superconducting magnet is not large enough, the cooling efficiency is low, and the cooling effect is uneven, secondly, the low temperature characteristics of liquid nitrogen can cause safety hazards to the operator, in the process of adding liquid nitrogen, the operator is easy to cause skin frostbite when taking out the superconducting magnet, which brings safety hazards to the operation, finally, the structure of small superconducting magnet is relatively fragile, and there is a risk of damage when taking out with tweezers and other tools, this method increases the operation difficulty, and it is difficult to guarantee the integrity of the superconducting magnet;

[0004] To solve the above technical problems, a superconducting magnet cooling device is provided. Utility model content

[0005] Therefore, the utility model provides a superconducting magnet cooling device to solve or alleviate the technical problems in the prior art, and at least provides a beneficial choice.

[0006] The technical scheme of the utility model is as follows: a superconducting magnet cooling device, comprising a main body mechanism and a taking-out mechanism.

[0007] The main body mechanism comprises a cooling cylinder and a top cover, the top cover is arranged at the top of the cooling cylinder, and a strip-shaped groove is formed in the inside of the top cover.

[0008] The taking-out mechanism comprises a connecting rod, a hollow cover and a hollow box, the connecting rod is arranged in the strip-shaped groove, a plurality of limit discs are integrally formed on one side of the connecting rod at equal intervals, the hollow cover is fixedly connected to the bottom of the connecting rod, the hollow box is clamped with the hollow cover, an annular groove is integrally formed on the outside of the hollow cover, a plurality of limit strips are integrally formed in the inside of the annular groove in a symmetrical manner, a sliding block is arranged above the limit strips, and one side of the sliding block is fixedly connected with the hollow box.

[0009] Further preferably, the outer side of the cooling cylinder is fixedly connected with a first handle, and the top of the top cover is fixedly connected with a second handle.

[0010] Further preferably, the inside of the cooling cylinder is provided with a heat insulation interlayer.

[0011] Further preferably, the inside top of the cooling cylinder is fixedly connected with a rubber ring, one side of the top cover is integrally formed with a groove, and the rubber ring is clamped with the top cover through the groove.

[0012] Further preferably, the hollow slots of the hollow box are fixedly connected with heat-conducting pieces at equal intervals.

[0013] Further preferably, the inside of the top cover is provided with a circular hole, the circular hole is communicated with the strip-shaped slot, the diameter of the circular hole is greater than the diameter of the limiting disc, and the inside of the circular hole is clamped with a cover.

[0014] Further preferably, the bottom of the cooling cylinder is fixedly connected with an anti-skid pad.

[0015] The above technical scheme is adopted in the embodiment of the utility model, and the following advantages are obtained.

[0016] Firstly, the utility model discloses a connecting rod is arranged to cooperate with the hollow cover and the hollow box to place the superconducting magnet, the hollow box containing the superconducting magnet is fixed in the top cover through the connecting rod and the limiting disc, when the top cover is connected with the cooling cylinder, the superconducting magnet enters the cooling cylinder and contacts the liquid nitrogen in the cooling cylinder to cool, since the hollow cover and the hollow box are hollow, the liquid nitrogen can fully contact the superconducting magnet, and the cooling treatment of the superconducting magnet is uniformly and quickly completed.

[0017] Secondly, after the cooling treatment, the top cover is removed, and the superconducting magnet can be taken out from the liquid nitrogen by holding the connecting rod, the superconducting magnet and the liquid nitrogen are not contacted during the taking-out process, so that frostbite is prevented, and the superconducting magnet is always located in the hollow box during the taking-out process, so that the superconducting magnet is prevented from being broken due to falling.

[0018] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described exemplary aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0020] Figure 1 The utility model discloses a structure diagram;

[0021] Figure 2 It is the partial section structure diagram of cooling cylinder in the utility model;

[0022] Figure 3 It is the connecting structure diagram of top cover in the utility model;

[0023] Figure 4 It is the bottom structure diagram of top cover in the utility model;

[0024] Figure 5 It is the structure diagram of hollow cover in the utility model;

[0025] Figure 6 It is the structure diagram of hollow box in the utility model.

[0026] Reference signs: 10, main body mechanism;11, cooling cylinder;12, first handle;13, heat insulation interlayer;14, non-slip pad;15, rubber ring;16, top cover;17, strip-shaped groove;18, cover;19, second handle;31, recess;32, round hole;20, taking-out mechanism;21, connecting rod;22, limiting disc;23, hollow cover;24, hollow box;25, heat conduction piece;26, annular groove;27, limiting strip;28, sliding block. DETAILED DESCRIPTION

[0027] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0028] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0029] As Figures 1-6 The utility model embodiment provides a superconducting magnet cooling device by main body mechanism 10 and taking-out mechanism 20.

[0030] Main body mechanism 10 includes cooling cylinder 11 and top cover 16, and the top cover 16 is arranged at the top of the cooling cylinder 11, a recess 31 is formed at the connecting part of the top cover 16 and the cooling cylinder 11, a rubber ring 15 is fixedly connected to the top of the inner side of the cooling cylinder 11, the rubber ring 15 is clamped with the top cover 16 through the recess 31, the connection and fixation of the top cover 16 and the cooling cylinder 11 are completed, the top cover 16 is prevented from falling off at will, a strip-shaped groove 17 is formed in the inside of the top cover 16, a round hole 32 is formed in the strip-shaped groove 17, the round hole 32 is used for filling liquid nitrogen, and a cover 18 is arranged in the round hole 32.

[0031] In one embodiment, in order to facilitate the movement of the cooling cylinder 11, the outer side of the cooling cylinder 11 is fixedly connected with a first handle 12, and the bottom of the cooling cylinder 11 is fixedly connected with a non-slip mat 14, which prevents the position of the cooling cylinder 11 from deviating, and in order to facilitate the movement of the top cover 16, the top of the top cover 16 is fixedly connected with a second handle 19.

[0032] In one embodiment, in order to enhance the heat preservation performance of the cooling cylinder 11, the inside of the cooling cylinder 11 is provided with a heat insulation interlayer 13.

[0033] The taking mechanism 20 comprises a connecting rod 21, a hollow cover 23 and a hollow box 24, the connecting rod 21 is arranged inside the strip-shaped groove 17, one side of the connecting rod 21 is equidistantly distributed with an integral limiting disc 22, the limiting disc 22 is in the shape of a disc, the diameter of the limiting disc 22 is smaller than that of the circular hole 32, so that the limiting disc 22 can pass through the circular hole 32, which facilitates the adjustment of the depth of the superconducting magnet inside the cooling cylinder 11 without disassembling the top cover 16, the hollow cover 23 is fixedly connected to the bottom of the connecting rod 21, the hollow box 24 is clamped with the hollow cover 23, the outer side of the hollow cover 23 is integrally formed with an annular groove 26, the inside of the annular groove 26 is symmetrically integrally formed with a limiting strip 27, the upper side of the limiting strip 27 is provided with a sliding block 28, and one side of the sliding block 28 is fixedly connected with the hollow box 24.

[0034] In one embodiment, in order to improve the cooling efficiency, the hollow grooves of the hollow box 24 are equidistantly distributed with fixedly connected heat-conducting pieces 25.

[0035] In operation, the superconducting magnet is placed in the hollow box 24, the hollow cover 23 is connected with the hollow box 24, the hollow cover 23 is clamped into the hollow box 24, the sliding block 28 in the hollow box 24 enters the annular groove 26, the hollow cover 23 is rotated by 90 degrees, the sliding block 28 is located above the limiting strip 27, the sliding block 28 is prevented from being taken out of the annular groove 26, the hollow cover 23 and the hollow box 24 are assembled into one body, the depth of the superconducting magnet into the cooling cylinder 11 is determined according to the required amount of liquid nitrogen for cooling, the connecting rod 21 is placed into the top cover 16 through the strip-shaped groove 17, the limiting disc 22 limits the connecting rod 21, the connecting rod 21 is prevented from falling naturally, liquid nitrogen is poured into the cooling cylinder 11, the top cover 16 with the connecting rod 21 is connected with the cooling cylinder 11, the superconducting magnet in the hollow box 24 at one end of the connecting rod 21 is in contact with the liquid nitrogen for cooling, the heat-conducting pieces 25 make the temperature distribution more uniform, the cooling process of the superconducting magnet is completed quickly, liquid nitrogen can be added through the circular hole 32 during the cooling process, or the connecting rod 21 is moved to the circular hole 32 and the limiting disc 22 is moved up and down to adjust the depth of the superconducting magnet inside the cooling cylinder 11, after the cooling is completed, the top cover 16 is removed, the connecting rod 21 is held and moved, the connecting rod 21 is separated from the top cover 16, and the cooled superconducting magnet can be taken out.

[0036] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be encompassed in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A superconducting magnet cooling apparatus, characterized by: The utility model relates to a cooling device for the main body mechanism (10) and the taking out mechanism (20) are connected. The main body mechanism (10) includes a cooling cylinder (11) and a top cover (16) provided at the top of the cooling cylinder (11), and a strip-shaped slot (17) is formed in the inside of the top cover (16). The taking out mechanism (20) includes a connecting rod (21), a hollow cover (23) and a hollow box (24), the connecting rod (21) is arranged in the strip-shaped slot (17), a plurality of limit discs (22) are equidistantly arranged on one side of the connecting rod (21), the hollow cover (23) is fixedly connected to the bottom of the connecting rod (21), the hollow box (24) is clamped with the hollow cover (23), a ring-shaped slot (26) is integrally formed on the outside of the hollow cover (23), a plurality of limit strips (27) are symmetrically integrally formed in the inside of the ring-shaped slot (26), a sliding block (28) is arranged above the limit strips (27), and one side of the sliding block (28) is fixedly connected with the hollow box (24).

2. A superconducting magnet cooling apparatus as claimed in claim 1, characterized in that: The outside of the cooling cylinder (11) is fixedly connected with a first handle (12), and the top of the top cover (16) is fixedly connected with a second handle (19).

3. A superconducting magnet cooling apparatus as claimed in claim 1, characterized in that: The inside of the cooling cylinder (11) is provided with a heat insulation interlayer (13).

4. A superconducting magnet cooling apparatus as claimed in claim 1, characterized in that: The top of the inside of the cooling cylinder (11) is fixedly connected with a rubber ring (15), one side of the top cover (16) is integrally formed with a groove (31), and the rubber ring (15) is clamped with the top cover (16) through the groove (31).

5. A superconducting magnet cooling apparatus as claimed in claim 1, characterized in that: The hollow box (24) is fixedly connected with a heat conduction element (25) at equal intervals.

6. A superconducting magnet cooling apparatus as claimed in claim 1, characterized in that: The inside of the top cover (16) is provided with a circular hole (32) in communication with the strip-shaped slot (17), the diameter of the circular hole (32) is greater than the diameter of the limit disc (22), and the circular hole (32) is clamped with a cover (18).

7. A superconducting magnet cooling apparatus as claimed in claim 1, characterized by: The bottom of the cooling cylinder (11) is fixedly connected with an anti-skid pad (14).

Images