CN109712783B

CN109712783B - MRI cooling device

Info

Publication number: CN109712783B
Application number: CN201910033757.3A
Authority: CN
Inventors: 娄莉; 杜汉旺; 武希庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2020-12-11
Anticipated expiration: 2039-01-15
Also published as: CN109712783A

Abstract

The invention discloses an MRI cooling device, which comprises a gradient coil and a water cooler positioned on one side of the gradient coil, wherein a plurality of cooling water pipes are fixedly connected to the water cooler, the plurality of cooling water pipes are all contacted with the gradient coil, a temperature sensor is fixedly arranged on one side of the gradient coil, a controller is fixedly arranged on the top of the water cooler, the controller and the temperature sensor are electrically connected with the water cooler, a bottom plate is fixedly arranged at the bottom of the water cooler, a mounting bottom plate is arranged below the bottom plate, a buffering groove is formed in the top of the mounting bottom plate, a buffering plate is slidably arranged in the buffering groove, and two connecting fixing plates are fixedly arranged on the top of the buffering plate. The cooling device is convenient to cool the gradient coil, prevents damage caused by overhigh temperature, is convenient to disassemble the water cooler, is convenient to maintain and maintain daily, is convenient to absorb shock of the water cooler, reduces noise of the water cooler during working, and is simple in structure and convenient to use.

Description

MRI cooling device

Technical Field

The invention relates to the technical field of cooling devices, in particular to an MRI cooling device.

Background

MRI is also magnetic resonance imaging, and is known as: magnetic resonance imaging. Nuclei often utilized by humans are: 1H, 11B, 13C, 17O, 19F, 31P. Since the birth of this technology, which was called nuclear magnetic resonance imaging, the term of NMR imaging (NMRImaging), a new medical technology, became more and more familiar to the public by the 80's 20 th century. With the installation of large magnets, there is a concern that the letter "N" may negatively impact the development of magnetic resonance imaging. Additionally, the term "nuclear" also facilitates the association of hospital staff with another nuclear medicine subject to the magnetic resonance room. Therefore, in order to highlight the advantage of the examination technique that no ionizing radiation is generated and distinguish it from nuclear medicine using radioactive elements, radiologists and equipment manufacturers have agreed to "magnetic resonance imaging" for short, which is composed of a magnet and a magnet power supply for generating a magnetic field, a gradient field coil and a gradient field power supply, a radio frequency transmitter/receiver, a system control and data processing computer, an imaging operation and image analysis table, a movable examination bed, etc., and the gradient field coil generates a large amount of heat during operation and is easily burnt if not cooled in time, so an MRI cooling apparatus has been proposed to solve the above problems.

Disclosure of Invention

Based on the technical problems in the prior art, the invention provides an MRI cooling device.

The invention provides an MRI cooling device, which comprises a gradient coil and a water cooler positioned on one side of the gradient coil, wherein a plurality of cooling water pipes are fixedly connected to the water cooler, the plurality of cooling water pipes are all contacted with the gradient coil, a temperature sensor is fixedly arranged on one side of the gradient coil, a controller is fixedly arranged on the top of the water cooler, the controller and the temperature sensor are both electrically connected with the water cooler, a bottom plate is fixedly arranged at the bottom of the water cooler, a mounting bottom plate is arranged below the bottom plate, a buffering groove is arranged at the top of the mounting bottom plate, a buffering plate is slidably arranged in the buffering groove, two connecting fixing plates are fixedly arranged at the top of the buffering plate, the water cooler is positioned between the two connecting fixing plates, two connecting holes are arranged on the bottom plate, the tops of the two connecting fixing plates respectively penetrate through the two connecting holes, sliding, the two sliding holes are internally and respectively provided with a connecting clamping plate in a sliding way, the inner wall of one side, close to each other, of the two connecting holes is provided with a fixed groove, the two connecting fixed plates are respectively provided with a through hole, the side, close to each other, of the two connecting clamping plates respectively penetrates through the two through holes and extends into the two fixed grooves, the tops of the two connecting clamping plates are respectively provided with an arc-shaped clamping groove, the inner wall of the tops of the two fixed grooves is provided with a sliding groove, the sliding groove is internally and respectively internally and slidably provided with an arc-shaped clamping block, the two arc-shaped clamping blocks are respectively and fixedly clamped with the two arc-shaped clamping grooves, the tops of the arc-shaped clamping blocks are provided with spring grooves, the inner wall of the tops of the sliding grooves is fixedly provided with an extrusion rod, the bottoms of the, the bottom fixed mounting of buffer board has a plurality of slurcards, the lateral wall sliding connection of slurcard and the mounting groove that corresponds, the bottom fixed mounting of slurcard is in the one end of a plurality of second springs, and the other end of second spring welds with the bottom inner wall of mounting groove mutually.

Preferably, a plurality of placing grooves are formed in the top of the buffer plate, a plurality of placing blocks are fixedly mounted at the bottom of the bottom plate, and the placing blocks are clamped with the corresponding placing grooves.

Preferably, the buffer hole has all been seted up to mounting plate's both sides, and two buffer holes all are linked together with the buffering recess, the lateral wall sliding connection of buffer board and two buffer holes.

Preferably, the bottom of the buffer plate is welded at one end of each of the two third springs, and the other ends of the two third springs are respectively welded with the inner walls of the bottoms of the two buffer holes.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the sliding groove, the limiting blocks are welded to the two sides of the arc-shaped clamping block, and the limiting blocks are connected with the side walls of the limiting grooves in a sliding mode.

Preferably, the two connecting clamping plates are fixedly arranged on one sides far away from each other and provided with pulling blocks, and one sides, close to each other, of the two pulling blocks are respectively contacted with the two sides of the bottom plate.

Preferably, a water pump is arranged on the water cooler and matched with the cooling water pipe.

Preferably, the model of the temperature sensor is GWD 40.

The invention has the beneficial effects that:

when the temperature sensor is used, the temperature sensor detects the temperature of the gradient coil and transmits temperature data to the controller, when the temperature is too high, a certain amount of water is injected into a water tank in the water chiller, the water is cooled by a refrigerating system of the water chiller, low-temperature cooling water is sent into the cooling water pipe by a water pump, and the temperature rises after the chilled water takes away the heat of the gradient coil and then flows back to the water tank to achieve the cooling effect;

by installing the bottom plate, the buffer groove, the buffer plate, the connecting hole, the connecting fixed plate, the sliding hole, the connecting clamping plate, the through hole, the fixed slot, the sliding groove, the arc-shaped clamping block, the arc-shaped clamping groove, the extrusion rod, the first spring, the placing block, the placing groove, the pushing plate, the mounting groove, the second spring, the buffer hole and the third spring are matched, when the water chiller works, the cold water can extrude the buffer plate through the bottom plate and the placing block, the buffer plate drives the pushing plates to extrude the second springs, the damping effect can be achieved through the rebound force generated when the second springs contract, the two third springs are extruded by the buffer plate at the same time, the damping effect can be achieved through the rebound force generated when the two third springs contract, and the noise generated when the water chiller works is reduced;

the two connecting clamping plates are driven by the two pulling blocks to move towards opposite directions, the two connecting clamping plates extrude the two arc-shaped clamping blocks to separate the two arc-shaped clamping blocks from the two arc-shaped clamping grooves, at the moment, the two first springs are stressed to contract, the two connecting clamping plates are pulled out of the two fixing grooves and taken down from the bottom plate, and the water cooler is pulled upwards, so that the water cooler can be conveniently detached and is convenient for daily maintenance;

the cooling device is convenient to cool the gradient coil, prevents damage caused by overhigh temperature, is convenient to disassemble the water cooler, is convenient to maintain and maintain daily, is convenient to absorb shock of the water cooler, reduces noise of the water cooler during working, and is simple in structure and convenient to use.

Drawings

FIG. 1 is a schematic view of an MRI cooling apparatus according to the present invention;

FIG. 2 is a schematic structural view of part A of an MRI cooling apparatus according to the present invention;

FIG. 3 is a schematic view of the structure of part B of an MRI cooling apparatus according to the present invention;

FIG. 4 is a schematic structural view of a portion C of an MRI cooling apparatus according to the present invention;

fig. 5 is a schematic structural diagram of a portion D of an MRI cooling apparatus according to the present invention.

In the figure: 1 gradient coil, 2 cold water machines, 3 condenser tube, 4 temperature sensor, 5 controllers, 6 mounting plate, 7 bottom plates, 8 buffering recesses, 9 buffer boards, 10 connecting holes, 11 connection fixed plates, 12 sliding holes, 13 connection clamping boards, 14 through holes, 15 fixed slots, 16 sliding recesses, 17 arc-shaped clamping blocks, 18 arc-shaped clamping slots, 19 extrusion rods, 20 first springs, 21 placing blocks, 22 placing slots, 23 pushing plates, 24 mounting slots, 25 second springs, 26 buffering holes, 27 third springs.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-5, the embodiment provides an MRI cooling device, including a gradient coil 1 and a water chiller 2 located on one side of the gradient coil 1, a plurality of cooling water pipes 3 are fixedly connected to the water chiller 2, the plurality of cooling water pipes 3 are all in contact with the gradient coil 1, a temperature sensor 4 is fixedly installed on one side of the gradient coil 1, a controller 5 is fixedly installed on the top of the water chiller 2, the controller 5 and the temperature sensor 4 are both electrically connected to the water chiller 2, a bottom plate 7 is fixedly installed at the bottom of the water chiller 2, a mounting bottom plate 6 is installed below the bottom plate 7, a buffer groove 8 is formed at the top of the mounting bottom plate 6, a buffer plate 9 is slidably installed in the buffer groove 8, two connecting fixing plates 11 are fixedly installed at the top of the buffer plate 9, the water chiller 2 is located between the two connecting fixing plates 11, two connecting holes 10 are, two connecting holes 10 are run through respectively at two tops of connecting fixed plate 11, sliding hole 12 has all been seted up to bottom plate 7's both sides, equal slidable mounting has connection cardboard 13 in two sliding hole 12, fixed slot 15 has all been seted up on the one side inner wall that two connecting holes 10 are close to each other, through-hole 14 has all been seted up on two connecting fixed plate 11, two one sides that connect cardboard 13 is close to each other run through two through-holes 14 respectively and extend to two

In the fixed grooves 15, arc-shaped clamping grooves 18 are respectively formed at the tops of the two connecting clamping plates 13, sliding grooves 16 are respectively formed on the inner walls of the tops of the two fixed grooves 15, arc-shaped clamping blocks 17 are slidably mounted in the sliding grooves 16, the two arc-shaped clamping blocks 17 are respectively clamped with the two arc-shaped clamping grooves 18, spring grooves are formed at the tops of the arc-shaped clamping blocks 17, extrusion rods 19 are fixedly mounted on the inner walls of the tops of the sliding grooves 16, the bottoms of the extrusion rods 19 are fixedly mounted at one ends of first springs 20, the other ends of the first springs 20 are welded with the inner walls of the bottoms of the spring grooves, a plurality of mounting grooves 24 are formed in the inner walls of the bottoms of the buffer grooves 8, a plurality of pushing plates 23 are fixedly mounted at the bottoms of the buffer plates 9, the pushing plates 23 are slidably connected with the side walls of the corresponding mounting grooves 24, the bottoms of the pushing plates 23 are fixedly mounted, the gradient coil 1, the water cooler 2, the cooling water pipe 3, the temperature sensor 4 and the controller 5 are matched, when the temperature control device is used, the temperature sensor 4 detects the temperature of the gradient coil 1 and transmits temperature data to the controller 5, when the temperature is too high, a certain amount of water is injected into the water tank in the water cooler 2, the water is cooled by a refrigerating system of the water cooler 2, low-temperature cooling water is sent into the cooling water pipe 3 by a water pump, the temperature of the cooling water is raised after the cooling water takes away the heat of the gradient coil 1 and then the cooling water flows back to the water tank, and the cooling effect is achieved; by matching the mounting base plate 6, the base plate 7, the buffer groove 8, the buffer plate 9, the connecting hole 10, the connecting fixing plate 11, the sliding hole 12, the connecting clamping plate 13, the through hole 14, the fixing groove 15, the sliding groove 16, the arc-shaped clamping block 17, the arc-shaped clamping groove 18, the extrusion rod 19, the first spring 20, the placing block 21, the placing groove 22, the pushing plate 23, the mounting groove 24, the second spring 25, the buffer hole 26 and the third spring 27, when the water cooler 2 works, the water cooler 2 can extrude the buffer plate 9 through the bottom plate and the placing block 21, the buffer plate 9 drives the plurality of pushing plates 23 to extrude the plurality of second springs 25, the rebound force generated when the second springs 25 contract can play a role of shock absorption, meanwhile, the buffer plate 9 extrudes the two third springs 27, and the rebound force generated when the two third springs 27 contract can play a role in shock absorption, so that the noise of the water cooler 2 during working is reduced; the two connecting clamping plates 13 are driven by the two pulling blocks to move towards opposite directions, the two connecting clamping plates 13 extrude the two arc-shaped clamping blocks 17, the two arc-shaped clamping blocks 17 are separated from the two arc-shaped clamping grooves 18, the two first springs 20 are stressed to contract at the moment, the two connecting clamping plates 13 are pulled out of the two fixing grooves 15 and taken down from the bottom plate 7, and the water cooler 2 is pulled upwards, so that the water cooler 2 can be conveniently detached and daily maintenance is facilitated; the cooling device is convenient to cool the gradient coil 1, prevents damage caused by overhigh temperature, is convenient to disassemble the water cooler 2, is convenient to carry out daily maintenance and repair, is convenient to absorb shock of the water cooler 2, reduces noise of the water cooler 2 during working, and is simple in structure and convenient to use.

In the embodiment, a plurality of placing grooves 22 are formed in the top of the buffer plate 9, a plurality of placing blocks 21 are fixedly installed at the bottom of the bottom plate 7, the placing blocks 21 are clamped with the corresponding placing grooves 22, buffer holes 26 are formed in both sides of the mounting bottom plate 6, both the buffer holes 26 are communicated with the buffer grooves 8, the buffer plate 9 is slidably connected with the side walls of the two buffer holes 26, the bottom of the buffer plate 9 is welded at one end of each of the two third springs 27, the other ends of the two third springs 27 are respectively welded with the inner walls of the bottoms of the two buffer holes 26, limiting grooves are formed in the inner walls of both sides of the sliding groove 16, limiting blocks are welded on both sides of the arc-shaped fixture block 17 and are slidably connected with the side walls of the limiting grooves, pulling blocks are fixedly installed on the sides, which the two connecting clamping plates 13 are far away from each other, one sides, which the, the water cooler 2 is provided with a water pump, the water pump is matched with the cooling water pipe 3, the model of the temperature sensor 4 is GWD40, the water pump is matched with the cooling water pipe 3 through the gradient coil 1, the water cooler 2, the cooling water pipe 3, the temperature sensor 4 and the controller 5, when the water cooler is used, the temperature sensor 4 detects the temperature of the gradient coil 1 and transmits temperature data to the controller 5, when the temperature is too high, a certain amount of water is injected into a water tank in the water cooler 2, the water is cooled through a refrigerating system of the water cooler 2, low-temperature cooling water is sent into the cooling water pipe 3 through the water pump, the temperature of the chilled water is increased after the heat of the gradient coil 1 is taken away by the; by matching the mounting base plate 6, the base plate 7, the buffer groove 8, the buffer plate 9, the connecting hole 10, the connecting fixing plate 11, the sliding hole 12, the connecting clamping plate 13, the through hole 14, the fixing groove 15, the sliding groove 16, the arc-shaped clamping block 17, the arc-shaped clamping groove 18, the extrusion rod 19, the first spring 20, the placing block 21, the placing groove 22, the pushing plate 23, the mounting groove 24, the second spring 25, the buffer hole 26 and the third spring 27, when the water cooler 2 works, the water cooler 2 can extrude the buffer plate 9 through the bottom plate and the placing block 21, the buffer plate 9 drives the plurality of pushing plates 23 to extrude the plurality of second springs 25, the rebound force generated when the second springs 25 contract can play a role of shock absorption, meanwhile, the buffer plate 9 extrudes the two third springs 27, and the rebound force generated when the two third springs 27 contract can play a role in shock absorption, so that the noise of the water cooler 2 during working is reduced; the two connecting clamping plates 13 are driven by the two pulling blocks to move towards opposite directions, the two connecting clamping plates 13 extrude the two arc-shaped clamping blocks 17, the two arc-shaped clamping blocks 17 are separated from the two arc-shaped clamping grooves 18, the two first springs 20 are stressed to contract at the moment, the two connecting clamping plates 13 are pulled out of the two fixing grooves 15 and taken down from the bottom plate 7, and the water cooler 2 is pulled upwards, so that the water cooler 2 can be conveniently detached and daily maintenance is facilitated; the cooling device is convenient to cool the gradient coil 1, prevents damage caused by overhigh temperature, is convenient to disassemble the water cooler 2, is convenient to carry out daily maintenance and repair, is convenient to absorb shock of the water cooler 2, reduces noise of the water cooler 2 during working, and is simple in structure and convenient to use.

In this embodiment, in use, the temperature sensor 4 detects the temperature of the gradient coil 1, transmits the temperature data to the controller 5, when the temperature is too high, a certain amount of water is injected into the water tank in the water cooler 2, the water is cooled by a refrigerating system of the water cooler 2, low-temperature cooling water is sent into the cooling water pipe 3 by a water pump, the temperature of the chilled water is raised after the chilled water takes away the heat of the gradient coil 1 and then the chilled water flows back to the water tank to achieve the cooling effect, when the water cooler 2 works, the water cooler 2 extrudes the buffer plate 9 through the bottom plate and the placing block 21, the buffer plate 9 drives the plurality of pushing plates 23 to extrude the plurality of second springs 25, and the rebound force generated when the second springs 25 contract can play a role of shock absorption, meanwhile, the buffer plate 9 extrudes the two third springs 27, and the rebound force generated when the two third springs 27 contract can play a role in shock absorption, so that the noise of the water cooler 2 during working is reduced; draw the piece through two and drive two and connect cardboard 13 and remove towards opposite direction, two connect two arc fixture blocks 17 of cardboard 13 extrusion, make two arc fixture blocks 17 break away from two arc draw-in grooves 18, two first springs 20 atress shrink this moment, take out two fixed slots 15 and take off from bottom plate 7 with two connection cardboard 13, upwards stimulate cold water machine 2, can be convenient for dismantle cold water machine 2, be convenient for carry out daily maintenance and maintenance.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The MRI cooling device comprises a gradient coil (1) and a water cooling machine (2) located on one side of the gradient coil (1), and is characterized in that a plurality of cooling water pipes (3) are fixedly connected to the water cooling machine (2), the cooling water pipes (3) are all in contact with the gradient coil (1), a temperature sensor (4) is fixedly mounted on one side of the gradient coil (1), a controller (5) is fixedly mounted at the top of the water cooling machine (2), the controller (5) and the temperature sensor (4) are electrically connected with the water cooling machine (2), a bottom plate (7) is fixedly mounted at the bottom of the water cooling machine (2), a mounting bottom plate (6) is arranged below the bottom plate (7), a buffering groove (8) is formed in the top of the mounting bottom plate (6), a buffering plate (9) is slidably mounted in the buffering groove (8), two connecting and fixing plates (11) are fixedly mounted at the top of the buffering plate (9), the water chiller (2) is positioned between two connecting fixing plates (11), two connecting holes (10) are formed in the bottom plate (7), the top parts of the two connecting fixing plates (11) are respectively penetrated through the two connecting holes (10), sliding holes (12) are formed in the two sides of the bottom plate (7), connecting clamping plates (13) are respectively installed in the two sliding holes (12) in a sliding manner, fixing grooves (15) are respectively formed in the inner walls of the two connecting holes (10) at the mutually close sides, through holes (14) are respectively formed in the two connecting fixing plates (11), the two connecting clamping plates (13) at the mutually close sides are respectively penetrated through the two through holes (14) and extend into the two fixing grooves (15), arc-shaped clamping grooves (18) are respectively formed in the top parts of the two connecting clamping plates (13), sliding grooves (16) are respectively formed in the inner walls of the top parts of the two fixing grooves (15), and arc-, two arc fixture blocks (17) clamp with two arc draw-in grooves (18) respectively mutually, the spring groove has been seted up at the top of arc fixture block (17), and fixed mounting has squeeze bar (19) on the top inner wall of slip recess (16), and the bottom fixed mounting of squeeze bar (19) is in the one end of first spring (20), and the other end of first spring (20) welds with the bottom inner wall in spring groove mutually, seted up a plurality of mounting grooves (24) on the bottom inner wall of buffering recess (8), the bottom fixed mounting of buffer board (9) has a plurality of slurcam (23), slurcam (23) and the lateral wall sliding connection of corresponding mounting groove (24), the bottom fixed mounting of slurcam (23) is in the one end of a plurality of second springs (25), and the other end and the bottom inner wall of mounting groove (24) of second spring (25) weld mutually.

2. The MRI cooling device according to claim 1, characterized in that a plurality of placing grooves (22) are opened on the top of the buffer plate (9), a plurality of placing blocks (21) are fixedly installed on the bottom of the bottom plate (7), and the placing blocks (21) are clamped with the corresponding placing grooves (22).

3. An MRI cooling device according to claim 1, characterized in that both sides of the mounting plate (6) are provided with buffer holes (26), both buffer holes (26) are communicated with the buffer groove (8), and the buffer plate (9) is slidably connected with the side walls of both buffer holes (26).

4. An MRI cooling device as claimed in claim 1, characterized in that the bottom of the buffer plate (9) is welded to one end of two third springs (27), and the other ends of the two third springs (27) are welded to the bottom inner walls of the two buffer holes (26), respectively.

5. The MRI cooling device according to claim 1, wherein the inner walls of the two sides of the sliding groove (16) are respectively provided with a limiting groove, the two sides of the arc-shaped fixture block (17) are respectively welded with a limiting block, and the limiting blocks are connected with the side walls of the limiting grooves in a sliding manner.

6. An MRI cooling device according to claim 1, characterized in that the sides of the two connecting clamping plates (13) facing away from each other are fixedly provided with pull blocks, and the sides of the two pull blocks facing towards each other are in contact with the two sides of the base plate (7) respectively.

7. An MRI cooling device according to claim 1, characterized in that the water cooler (2) is provided with a water pump which cooperates with the cooling water pipe (3).

8. An MRI cooling device as claimed in claim 1, characterized in that said temperature sensor (4) is of the type GWD 40.