Water-cooling heat dissipation device for gradient coil of nuclear magnetic resonance spectrometer

Abstract

The utility model provides a nuclear magnetic resonance spectrometer gradient coil water cooling heat dissipation device, which relates to the technical field of nuclear magnetic resonance spectrometer, and comprises a water cooling machine main body, the output end of the water cooling machine main body is fixedly communicated with a heat exchange pipe, the outer surface wall of the heat exchange pipe is fixedly sleeved with a heat exchange sleeve, and the output end of the heat exchange pipe is fixedly communicated with a water pump. The output end of the water pump fixedly communicates with a conveying pipe; according to the gradient coil type nuclear magnetic resonance spectrometer, heat generated by the gradient coil is effectively absorbed through flowing of cooling liquid in the heat exchange pipe, damage to equipment caused by overheating is prevented, the service life of the nuclear magnetic resonance spectrometer is prolonged, the spiral heat exchange pipe is designed to provide a larger heat transfer area in a limited space, the heat exchange process is accelerated, the cooling efficiency is improved, and the service life of the nuclear magnetic resonance spectrometer is prolonged. The design of the heat exchange sleeve reduces the temperature fluctuation of the gradient coil by increasing the contact surface of the heat exchange tube and the gradient coil, and is helpful for maintaining the stability and definition of imaging, thereby improving the accuracy and reliability of nuclear magnetic resonance imaging.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of nuclear magnetic resonance instrument especially relates to a nuclear magnetic resonance instrument gradient coil water cooling heat abstractor. BACKGROUND

[0002] The basic principle of nuclear magnetic resonance instrument is that the human body or sample to be measured is placed in a special magnetic field, the resonance phenomenon of hydrogen atomic nucleus in the human body or sample is excited by radio frequency pulse, when the radio frequency pulse stops, hydrogen atomic nucleus emits radio signals according to a certain frequency and releases absorbed energy, these signals are collected by the receiver outside the body and are processed by the electronic computer, finally the image or spectrum information is obtained.

[0003] When nuclear magnetic resonance instrument is used, the gradient coil generates heat, at present, the heat is taken out by the water cooling heat abstractor, but the contact area between the heat exchange pipe and the gradient coil is small, which makes the heat generated in the working process of the gradient coil not be dissipated in time through the water cooling pipe, influences its performance and stability, and even may cause equipment failure. SUMMARY

[0004] The utility model mainly provides a nuclear magnetic resonance instrument gradient coil water cooling heat abstractor that can improve the heat dissipation effect.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a nuclear magnetic resonance instrument gradient coil water cooling heat abstractor, including water cooling machine main part, the output of water cooling machine main part is fixedly connected with heat exchange pipe, the outer wall of heat exchange pipe is fixedly provided with heat exchange cover, the output of heat exchange pipe is fixedly connected with water pump, the output of water pump is fixedly connected with delivery pipe, and the delivery pipe output is fixedly connected with the input of water cooling machine main part, after water pump starts, the cooling liquid in the inside of water cooling machine main part is delivered to the inside of heat exchange pipe, when the cooling liquid flows in the inside of heat exchange pipe, can absorb the heat generated when the gradient coil works, avoids the equipment damage because of high temperature, simultaneously, the heat exchange pipe adopts spiral shape, can provide more heat transfer area in the limited volume, this helps to improve the heat exchange efficiency, reduces the stress generated because of temperature change, the heat exchange cover of outer wall cover can increase the contact surface of heat exchange pipe and gradient coil, improves the cooling efficiency, reduces the temperature fluctuation of gradient coil, further keeps the definition and accuracy of imaging, and the cooling water after use can be backflowed to the inside of water cooling machine main part through the delivery pipe.

[0006] Preferably, the bottom of the water cooling machine main part is fixedly installed with a base, and the top of the base is fixedly connected with the bottom of the water cooling machine main part, and the base provides an integral mounting bracket for the corresponding device.

[0007] Preferably, the top of the base is fixedly installed with a nuclear magnetic resonance instrument, and the outer wall of the heat exchange pipe is fixedly inserted into the inside of the nuclear magnetic resonance instrument, and the outer wall of the heat exchange sleeve is fixedly inserted into the inside of the nuclear magnetic resonance instrument, and the heat exchange pipe and the heat exchange sleeve are matched with each other, so that the temperature is stable when the nuclear magnetic resonance instrument works, and clearer and more accurate images can be obtained.

[0008] Preferably, the top of the base is fixedly installed with a nuclear magnetic resonance instrument, and the outer wall of the heat exchange pipe is fixedly inserted into the inside of the nuclear magnetic resonance instrument, and the outer wall of the heat exchange sleeve is fixedly inserted into the inside of the nuclear magnetic resonance instrument, and the heat exchange pipe and the heat exchange sleeve are matched with each other, so that the temperature is stable when the nuclear magnetic resonance instrument works, and clearer and more accurate images can be obtained.

[0009] Compared with the prior art, the utility model has the advantages and positive effects that,

[0010] In the utility model, the flow of the cooling liquid in the heat exchange pipe effectively absorbs the heat generated by the gradient coil, prevents the equipment from being damaged due to overheating, prolongs the service life of the nuclear magnetic resonance instrument, the spiral-shaped heat exchange pipe design provides a larger heat transfer area in the limited space, accelerates the heat exchange process, improves the cooling efficiency, the design of the heat exchange sleeve increases the contact surface of the heat exchange pipe and the gradient coil, reduces the temperature fluctuation of the gradient coil, helps to maintain the stability and clarity of imaging, and thus improves the accuracy and reliability of the nuclear magnetic resonance imaging. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 A perspective view of a nuclear magnetic resonance instrument gradient coil water cooling heat dissipation device is provided for the utility model;

[0012] Figure 2 A partial top view of a nuclear magnetic resonance instrument gradient coil water cooling heat dissipation device is provided for the utility model;

[0013] Figure 3 A top perspective view of a nuclear magnetic resonance instrument gradient coil water cooling heat dissipation device is provided for the utility model;

[0014] Figure 4 A perspective view of a nuclear magnetic resonance instrument gradient coil water cooling heat dissipation device is provided for the utility model.

[0015] Legend: 1, water cooling machine main body; 2, heat exchange pipe; 3, heat exchange sleeve; 4, water pump; 5, conveying pipe; 6, base; 7, nuclear magnetic resonance instrument; 8, mounting seat. DETAILED DESCRIPTION

[0016] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model will be further described below in combination with the drawings and examples. It should be noted that the examples and features in the examples of the present application can be combined with each other without conflict.

[0017] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other embodiments that can not be described in detail herein, and the present application is not limited to the specific embodiments described in the following description.

[0018] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of nuclear magnetic resonance instrument gradient coil water cooling heat sink, including water chiller main body 1, the output of water chiller main body 1 is fixedly connected with heat exchange pipe 2, the outer wall of heat exchange pipe 2 is fixedly equipped with heat exchange sleeve 3, the output of heat exchange pipe 2 is fixedly connected with water pump 4, the output of water pump 4 is fixedly connected with delivery pipe 5, and delivery pipe 5 output and the input of water chiller main body 1 are fixedly connected, after water pump 4 starts, cooling liquid inside water chiller main body 1 will be delivered to inside heat exchange pipe 2, cooling liquid can absorb the heat generated when gradient coil works when flowing in heat exchange pipe 2, avoid equipment because high temperature damage, while heat exchange pipe 2 adopts spiral shape, more heat transfer area can be provided in limited volume, which helps to improve heat exchange efficiency, reduce stress generated due to temperature change, the heat exchange sleeve 3 of outer wall sleeve can increase the contact surface of heat exchange pipe 2 and gradient coil, improve cooling efficiency, reduce temperature fluctuation of gradient coil, to maintain the clarity and accuracy of imaging in turn, cooling water after use will be backflow to inside water chiller main body 1 through delivery pipe 5.

[0019] As Figures 1-4 Indicated, the bottom of water chiller main body 1 is fixedly installed with base 6, and base 6 top and the bottom of water chiller main body 1 are fixedly connected, and base 6 provides an overall mounting bracket for corresponding device.

[0020] As Figures 1-4 Indicated, the top of base 6 is fixedly installed with nuclear magnetic resonance instrument 7, and the outer wall of heat exchange pipe 2 is fixedly inserted in the inside of nuclear magnetic resonance instrument 7, and the outer wall of heat exchange sleeve 3 is fixedly inserted in the inside of nuclear magnetic resonance instrument 7, and heat exchange pipe 2 and heat exchange sleeve 3 cooperate with each other, so that the temperature is stable when nuclear magnetic resonance instrument works, to ensure that more clear and more accurate image is obtained.

[0021] As Figure 1 , Figure 3 And Figure 4 Indicated, the top of base 6 is fixedly installed with mounting seat 8, and the outer wall one side of mounting seat 8 and the outer wall one side of nuclear magnetic resonance instrument 7 are fixedly connected, and mounting seat 8 facilitates the fixation of nuclear magnetic resonance examination bed, effectively reduces installation time, and improves work efficiency.

[0022] The method for using the device and the working principle are as follows: when the water pump 4 is started, it is responsible for conveying the cooling liquid circulating in the water-cooled machine body 1 to the inside of the heat exchange pipe 2; in the process of continuously flowing in the heat exchange pipe 2, the cooling liquid can efficiently absorb the heat generated by the gradient coil when working; the heat exchange pipe 2 adopts a spiral shape design, which can maximize the heat transfer area in a limited space range, thereby significantly improving the heat exchange efficiency, and helping to relieve the stress problem caused by temperature change; in order to further enhance the cooling effect, the outer wall of the heat exchange pipe 2 is specially sleeved with a heat exchange sleeve 3, which not only increases the contact area between the heat exchange pipe 2 and the gradient coil, but also further optimizes the heat absorption process of the cooling liquid; after completing the heat exchange, the used cooling water will be smoothly returned to the inside of the water-cooled machine body 1 through the conveying pipe 5 for recycling; the mounting seat 8 simplifies the installation process of the nuclear magnetic resonance examination bed, significantly shortens the time required for installation, thereby improving the overall work efficiency.

[0023] The wiring diagram of the water-cooled machine body 1, the water pump 4 and the nuclear magnetic resonance instrument 7 in the utility model belongs to the common knowledge in the field, and its working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the water-cooled machine body 1, the water pump 4 and the nuclear magnetic resonance instrument 7 are not explained in detail.

[0024] The above is only a preferred embodiment of the utility model, and does not limit other forms of the utility model, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments still belong to the protection range of the utility model technical scheme.

Claims

1. A water-cooling heat dissipation device for a gradient coil of a nuclear magnetic resonance instrument, comprising a water-cooling machine main body (1), characterized in that: The output end of the water-cooled machine body (1) is fixedly communicated with a heat exchange pipe (2), the outer wall of the heat exchange pipe (2) is fixedly sleeved with a heat exchange sleeve (3), the output end of the heat exchange pipe (2) is fixedly communicated with a water pump (4), the output end of the water pump (4) is fixedly communicated with a conveying pipe (5), and the output end of the conveying pipe (5) is fixedly communicated with the input end of the water-cooled machine body (1).

2. The water-cooling heat-dissipating device for the gradient coil of the nuclear magnetic resonance instrument according to claim 1, characterized in that: The bottom of the water-cooled machine body (1) is fixedly installed with a base (6), and the top of the base (6) is fixedly connected with the bottom of the water-cooled machine body (1).

3. The water-cooling heat-dissipating device for the gradient coil of the nuclear magnetic resonance instrument according to claim 2, characterized in that: The top of the base (6) is fixedly installed with a nuclear magnetic resonance instrument (7), and the outer wall of the heat exchange pipe (2) is fixedly inserted into the inside of the nuclear magnetic resonance instrument (7), and the outer wall of the heat exchange sleeve (3) is fixedly inserted into the inside of the nuclear magnetic resonance instrument (7).

4. The water-cooling heat-dissipating device for gradient coils of a nuclear magnetic resonance instrument according to claim 3, characterized in that: The top of the base (6) is fixedly installed with a mounting seat (8), and one side of the outer wall of the mounting seat (8) is fixedly connected with one side of the outer wall of the nuclear magnetic resonance instrument (7).

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