Water-cooling radiator applied to medical equipment and manufacturing method of water-cooling radiator

Abstract

The invention relates to a water cooling radiator applied to medical equipment and a manufacturing method of the water cooling radiator, the water cooling radiator comprises a water inlet pipe, a water return pipe and at least two heat dissipation plates, the heat dissipation plates are oppositely arranged and are in brazed connection, and a heat dissipation flow channel communicated with the water inlet pipe and the water return pipe is further formed between the heat dissipation plates. According to the water-cooling radiator, the two radiating plates are connected through brazing, so that the defects of welding leakage and the like of the water-cooling radiator are overcome, meanwhile, the two radiating plates can achieve the radiating purpose, the radiating efficiency of the water-cooling radiator is correspondingly improved, and the radiating requirement of medical equipment is met.

Description

[0001] This application is a divisional application of a patent application with application date 2020-04-13, application number 2020102853729, and invention name “Water-cooled radiator for medical equipment and its manufacturing method”. Technical Field

[0002] The present invention relates to the technical field of heat dissipation equipment, and in particular to a water-cooled radiator applied to medical equipment and a manufacturing method thereof. Background Art

[0003] Medical equipment is usually a high-power, high-energy device that generates a lot of heat that requires a high-efficiency radiator to dissipate. Currently, medical equipment cooling devices include two types: water-cooled radiators and air-cooled radiators. Since the specific heat capacity of water is higher than that of air, water-cooled radiators have a better cooling effect.

[0004] Since a water-cooled radiator requires a coolant such as water to flow inside it, high sealing requirements are placed on the inner cavity of the water-cooled radiator. However, existing production methods easily expose the water-cooled radiator to the risk of leakage. Summary of the invention

[0005] Based on this, it is necessary to provide an improved water-cooled radiator to address the above-mentioned problems, so that the two heat sinks are connected by brazing, making the water-cooled radiator less prone to defects such as welding leakage. At the same time, both heat sinks can achieve the purpose of heat dissipation, which correspondingly improves the heat dissipation efficiency of the water-cooled radiator to meet the heat dissipation needs of medical equipment.

[0006] A water-cooled radiator used in medical equipment, the water-cooled radiator comprising a water inlet pipe, a water return pipe and at least two heat sinks, the heat sinks are arranged relative to each other and brazed together, and a heat dissipation channel connected to the water inlet pipe and the water return pipe is formed between the heat sinks.

[0007] Furthermore, the heat dissipation channel includes a plurality of heat dissipation chambers and a plurality of connecting chambers, wherein the plurality of heat dissipation chambers are arranged one by one and connected to each other through the connecting chambers; and the plurality of heat dissipation chambers are arranged in an array. Such an arrangement enables the heat dissipation channel in the heat dissipation plate to increase the contact area between the flowing water and the heat dissipation plate accordingly, thereby improving the heat dissipation efficiency.

[0008] Furthermore, the inner side of the heat sink is inwardly concave to form a heat sink, and the two heat sinks are arranged opposite to each other to form the heat sink cavity. Such an arrangement facilitates the formation of a heat sink cavity between the heat sinks. Such an arrangement can greatly increase the contact area of ​​the water flow in the heat sink channel, so as to improve the heat dissipation efficiency of the water-cooled radiator.

[0009] Furthermore, the wall of the heat dissipation slot extends outward and is provided with a plurality of heat dissipation protrusions, and the plurality of heat dissipation protrusions corresponding to the same heat dissipation cavity are arranged in rows and columns. Such an arrangement enables the water flow to form an orderly flow direction to avoid problems such as turbulence caused by the water flow in the heat dissipation channel.

[0010] Furthermore, the plurality of heat dissipation protrusions are arranged in rows and columns facing each other; and / or,

[0011] The plurality of heat dissipation protrusions are arranged alternately in rows and columns.

[0012] Such an arrangement makes it easy to process the heat dissipation protrusions and enables the water flow to form an orderly flow direction.

[0013] Furthermore, a drainage channel is formed between the heat dissipation protrusion and the side wall of the heat dissipation cavity, and the drainage channel is connected to the connecting cavity. In this way, the drainage channel is used to concentrate the water flow and evenly flow to each row of heat dissipation protrusions, and to converge and flow out of the heat dissipation cavity accordingly.

[0014] Furthermore, the heat sink includes a copper heat sink or an aluminum alloy heat sink. This arrangement not only enables the water-cooled radiator to obtain a better heat dissipation effect, but also makes the water-cooled radiator with the aluminum alloy heat sink relatively light in weight.

[0015] Furthermore, there are multiple heat dissipation channels; the multiple heat dissipation channels are arranged at intervals and converge at the water inlet pipe and the water return pipe.

[0016] Furthermore, a connecting channel is provided between the plurality of heat dissipation channels, and the connecting channel is connected to the water inlet pipe, so that the water inlet pipe can quickly flow to each heat dissipation channel through the connecting channel and transfer heat in each heat dissipation channel.

[0017] Furthermore, the water-cooled radiator includes an adapter block, which is arranged at the end of the water inlet pipe and / or the end of the water return pipe. Such an arrangement makes it easy to connect the water inlet pipe to an external pipeline.

[0018] Furthermore, the water-cooled radiator manufacturing method comprises:

[0019] Symmetrical heat dissipation grooves and connecting grooves are respectively processed on the inner sides of the first heat dissipation plate and the second heat dissipation plate;

[0020] The heat dissipation grooves and the connecting grooves of the first heat dissipation plate and the second heat dissipation plate are aligned with each other, and the first heat dissipation plate and the second heat dissipation plate are joined and brazed to form a heat dissipation channel between the first heat dissipation plate and the second heat dissipation plate;

[0021] A water inlet pipe and a water return pipe are installed on the first heat sink and / or the second heat sink, and the water inlet pipe and the water return pipe are connected to the heat dissipation channel respectively.

[0022] The present invention provides a water-cooled radiator, in which two heat dissipation plates are connected by brazing, so that the water-cooled radiator is not prone to defects such as welding leakage. At the same time, the two heat dissipation plates can achieve the purpose of heat dissipation, and the heat dissipation efficiency of the water-cooled radiator is correspondingly improved to meet the heat dissipation needs of medical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of a water-cooled radiator in one embodiment of the present invention;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure of two heat dissipation plates connected to each other in a water-cooled radiator shown;

[0025] Figure 3 for Figure 1 A schematic diagram of the structure of the first heat sink in the water-cooled radiator shown;

[0026] Figure 4 for Figure 1 A schematic structural diagram of a second heat sink in the water-cooled radiator shown;

[0027] Figure 5 It is a structural schematic diagram of a first heat dissipation plate in another embodiment of the present invention;

[0028] Figure 6 It is a structural schematic diagram of a first heat dissipation plate in another embodiment of the present invention;

[0029] Figure 7 for Figure 6 An enlarged schematic diagram of the first heat dissipation plate at position A is shown;

[0030] Figures 8 to 15 It is a schematic diagram of the structure of the arrangement of heat dissipation protrusions in multiple embodiments of the present invention;

[0031] Fig.16 The figure is a schematic flow chart of a method for preparing a water-cooled radiator according to one embodiment of the present invention.

[0032] Among them, 100, water-cooled radiator; 10, heat sink; 11, 11a, 11b, first heat sink; 12, second heat sink; 13, 13a, 13b heat dissipation channel; 131, water inlet; 132, 132a, water return; 133, water inlet channel; 134, water return channel; 135, connecting channel; 136, heat dissipation cavity; 137, connecting cavity; 138, heat dissipation protrusion; 1381, drainage channel; 20, water inlet pipe; 21, adapter block; 30, water return pipe. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described herein are only used to explain the present invention and do not limit the scope of protection of the present invention.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0036] See also Figure 1 , Figure 1 It is a schematic structural diagram of a water-cooled radiator 100 in one embodiment of the present invention; Figure 2 for Figure 1 The structure diagram of two heat dissipation plates 10 in the water-cooled radiator 100 is shown.

[0037] The present invention provides a water-cooled radiator 100, which is applied to medical equipment and used to cool components in the medical equipment that need to dissipate heat.

[0038] Specifically, the water-cooled radiator in this embodiment is applied to the magnetic resonance device. The gradient power amplifier in the magnetic resonance device is the supporting power supply of the magnetic resonance device. Its main function is to output a pulse gradient signal of a certain voltage and current to the gradient coil and to be used for imaging. According to calculations, the total loss of the entire gradient system is as high as more than 20,000 watts. The large amount of heat generated urgently needs an efficient water-cooled radiator to dissipate the heat, and the traditional water-cooled radiator can no longer meet the heat dissipation requirements of the above-mentioned gradient system. The water-cooled radiator 100 can be used to cool the above-mentioned gradient system to ensure the stable operation of the magnetic resonance device. The radio frequency system in the magnetic resonance device is also suitable for cooling by the water-cooled radiator 100.

[0039] Of course, the water-cooled radiator 100 can also be used to cool other devices, such as electronic devices.

[0040] The water-cooled radiator 100 includes two heat sinks 10, a water inlet pipe 20 and a water return pipe 30. The two heat sinks 10 are respectively a first heat sink 11 and a second heat sink 12. The first heat sink 11 and the second heat sink 12 are sealed and connected to each other, and a heat dissipation channel 13 is formed between the first heat sink 11 and the second heat sink 12. The water inlet pipe 20 is connected to the first heat sink 11. The water return pipe 30 is connected to the second heat sink 12. The water inlet pipe 20 and the water return pipe 30 are respectively connected to the heat dissipation channel 13. The first heat sink 11 and the second heat sink 12 are used to form the heat dissipation channel 13. The water inlet pipe 20 is used to connect to an external water inlet pipeline, and the water return pipe 30 is used to connect to an external water return pipeline to form a complete cooling circuit.

[0041] It can be understood that in other embodiments, the water inlet pipe 20 and the water return pipe 30 can be connected to the same heat sink 10 at the same time, such as the first heat sink 11 or the second heat sink 12, as long as the function of water inlet and return can be achieved; the water inlet pipe 20 and the water return pipe 30 can be fixedly connected to the heat sink 10 by welding, or connected to the heat sink 10 in other ways, such as threaded connection, etc., as long as a relatively fixed connection can be achieved and connected to the heat dissipation channel 13; the number of the first heat sink 11 and the second heat sink 12 can be set to a plurality accordingly, and a plurality of first heat sinks 11 and the second heat sink 12 are stacked or spliced ​​with each other to form a corresponding heat dissipation channel 13.

[0042] Of course, the coolant used in the water-cooled radiator 100 may also be other liquids besides water, as long as it can achieve the function of heat dissipation.

[0043] Since the water-cooled radiator needs to flow coolant such as water inside, the sealing of the inner cavity of the water-cooled radiator is required to be high. However, the existing preparation process is prone to leakage risks when preparing water-cooled radiators with complex internal structures.

[0044] In this embodiment, the heat sinks 10 are connected by brazing, so that the heat sinks 10 of the water-cooled radiator 100 can be precisely welded, and the risk of leakage of the water-cooled radiator 100 is correspondingly reduced, thereby maintaining the stable operation of the medical device.

[0045] The present invention not only simplifies the external structure of the water-cooled radiator 100 by arranging corresponding heat dissipation channels 13 between the heat dissipation plates 10, but also reduces the welding between multiple pipes, thereby reducing the risk of leakage.

[0046] In one embodiment, the heat sink 10 is made of copper plate or aluminum alloy plate to ensure that heat can be well transferred through the heat sink 10. The heat sink 10 is made of copper plate, and the heat dissipation effect of the heat sink 10 can be greatly improved due to the excellent thermal conductivity of copper; the heat sink 10 is made of aluminum alloy plate, which can reduce the weight and manufacturing cost of the water-cooled radiator 100, and the weight of the medical device with the water-cooled radiator 100 can also be reduced accordingly.

[0047] In addition, the copper plates or aluminum alloy plates can be connected by the above-mentioned brazing to obtain a water-cooled radiator 100 with good connection strength and good sealing.

[0048] Of course, if the heat dissipation efficiency is not considered, the heat dissipation plate 10 can also be made of other metal materials, such as stainless steel, as long as the heat dissipation channel 13 can be formed and the purpose of heat dissipation can be achieved.

[0049] In one embodiment, a transfer block 21 is further provided at one end of the water inlet pipe 20 away from the heat sink 10. The transfer block 21 is used to connect the water inlet pipe 20 to an external pipeline. The transfer block 21 is fixedly connected to the water inlet pipe 20 by welding or other fixing methods. Preferably, a sealing ring is provided between the transfer block 21 and the water inlet pipe 20 to further enhance the sealing between the two. Such a configuration makes it easy for the water inlet pipe 20 to be connected to an external pipeline.

[0050] One end of the return pipe 30 is also provided with a transfer block 21, which will not be described in detail here.

[0051] See also Figures 3 to 6 , Figure 3 for Figure 1 The structural schematic diagram of the first heat sink 11 in the water-cooled radiator 100 is shown; Figure 4 for Figure 1 The structural schematic diagram of the second heat sink 12 in the water-cooled radiator 100 is shown; Figure 5 This is a schematic structural diagram of a first heat dissipation plate 11a in another embodiment of the present invention; Figure 6 FIG. 1 is a schematic structural diagram of a first heat dissipation plate 11 b in another embodiment of the present invention.

[0052] In one embodiment, the heat sink 10 is a substantially square plate; a heat sink channel 13 is formed between two heat sinks 10; a water inlet 131 is provided at a position of the heat sink 10 relatively close to the water inlet pipe 20; and a water return port 132 is provided at a position of the heat sink 10 relatively close to the water return pipe 30. The water inlet 131 and the water return port 132 are respectively connected to the two ends of the heat sink channel 13.

[0053] It is understandable that in other embodiments, the shape of the heat sink 10 can be set accordingly according to the actual installation space, such as a ring-shaped or circular plate, etc., as long as the corresponding heat sink cavity 136 and connecting cavity 137 can be set inside.

[0054] In one embodiment, if Figure 3 and Figure 4 As shown, there are two heat dissipation channels 13, and the two heat dissipation channels 13 are substantially parallel and extend along the length direction of the heat dissipation plate 10. It can be understood that in other embodiments, the number of heat dissipation channels 13 can be set to one or more than three; the two heat dissipation channels 13 can also be arranged obliquely or staggered, as long as the water inlet 131 and the water return port 132 can be connected.

[0055] It is understood that in other embodiments, Figure 6 As shown, only one heat dissipation channel 13b may be provided between the first heat dissipation plate 11b and the second heat dissipation plate.

[0056] In one embodiment, the number of the water inlet 131 and the water return port 132 are both one, and they are arranged on both sides of the length direction of the heat sink 10, so that the water inlet 131 and the water return port 132 are connected to the two ends of the heat dissipation channel 13. The two ends of the two heat dissipation channels 13 are respectively connected at the water inlet 131 and the water return port 132. The number of the water inlet 131 and the water return port 132 is set to one, so that the number of the water inlet pipe 20 and the water return pipe 30 can be one. Figure 4 As shown, the arrow direction in the figure is the direction of water flow. Such an arrangement can reduce the number of connections between the water inlet pipe 20 and the water return pipe 30 and the heat sink 10.

[0057] It is understood that in other embodiments, the number of water inlets 131 can be set to multiple, and the multiple water inlets 131 can be interconnected and connected to the same water inlet pipe 20. The setting of the return port 132 is similar to that of the water inlet 131, and will not be repeated here.

[0058] In one embodiment, the water inlet 131 is located between two heat dissipation channels 13 and relatively close to one end of the water inlet, so that the water inlet 131 reaches the same distance between the two heat dissipation channels 13 and the water flow of the water inlet 131 can flow evenly to the two heat dissipation channels 13.

[0059] It is understandable that in other embodiments, the water inlet 131 may also be arranged on a side close to only one of the heat dissipation channels 13, as long as it can provide water for the two heat dissipation channels 13. The arrangement of the water return port 132 is similar to that of the water inlet 131, and will not be described in detail here.

[0060] In one embodiment, the heat dissipation channel 13a includes a water inlet channel 133, a water return channel 134 and a connecting channel 135. The water inlet channel 133 and the water return channel 134 are arranged roughly in parallel and extend along the length direction of the first heat dissipation plate 11a respectively; one end of the water inlet channel 133 is connected to the water inlet 131, and one end of the water return channel 134 is connected to the water return port 132a; the water inlet 131 and the water return port 132a are opened at two ends of the diagonal first heat dissipation plate 11a. The connecting channel 135 is arranged horizontally between the water inlet channel 133 and the water return channel 134, and is used to connect the water inlet channel 133 and the water return channel 134. In this way, a longer heat dissipation channel 13 can be obtained between the water inlet channel 133 and the water return channel 134, so that the heat exchange is more thorough.

[0061] It is understandable that in other embodiments, the water inlet channel 133 is not a necessary setting, and the connecting channel can be directly connected to the water inlet 131 and the water return channel 134, as long as the water inlet 131 and the water return channel 134 can be connected.

[0062] In one embodiment, if Figure 5 As shown, Figure 5 It is a situation that multiple heat dissipation channels 13a can be interconnected. The number of return water channels 134 is two, and the number of corresponding return water ports 132a is two. The two return water channels 134 are respectively arranged on both sides of the width direction of the first heat dissipation plate 11a, and are arranged in parallel; one end of the two return water channels 134 is respectively connected to the corresponding return water ports 132a, and the other end is connected to the water inlet channel 133 through a connecting channel 135. The number of water inlet channels 133 is one, which is arranged between the two return water channels 134. Correspondingly, the number of water inlets 131 is one; one end of the water inlet channel 133 is connected to the water inlet port 131, and the other end is connected to the return water channel 134 through a connecting channel 135. In the embodiment, a plurality of connecting channels 135 are arranged between the water inlet channel 133 and the return water channel 134, so that the water flow in the water inlet channel 133 can flow to the return water channel 134 through the plurality of connecting channels 135, such as Figure 5 As shown, the direction of the arrow in the figure is the direction of water flow, so as to increase the overall heat dissipation area and correspondingly improve the heat dissipation efficiency.

[0063] It can be understood that in other embodiments, the number of return water channels 134 can be set to more than three, as long as they can be connected to the water inlet channel 133 and the return water port 132a; the number of connecting channels 135 can be set to one, as long as the connection between the water inlet channel 133 and the return water channel 134 can be achieved.

[0064] In one embodiment, if Figure 3 and Figure 4As shown, the two sides of the two heat sinks 10 facing each other are the inner side surfaces; the inner side surfaces of the heat sinks 10 are all recessed inwards and form heat sink grooves (not numbered) and connecting grooves (not numbered); the corresponding heat sink grooves of the two heat sinks are arranged oppositely to form a heat sink cavity 136; the corresponding connecting grooves of the two heat sinks are arranged oppositely to form a connecting cavity 137; a plurality of heat sink cavities 136 are arranged one by one and are interconnected through a plurality of connecting cavities 137 to form a heat dissipation channel 13 in the heat sink 10. One of the plurality of heat sink cavities 136 that is relatively close to the water inlet 131 is connected to the water inlet 131 through the connecting cavity 137; one of the plurality of heat sink cavities 136 that is relatively close to the water return port 132 is connected to the water return port 132 through the connecting cavity 137. The heat sink cavity 136 is a cavity for cooling by water flow; the connecting cavity 137 is used to connect a plurality of heat sink cavities 136, and the heat sink cavities 136 with the water inlet 131 and the water return port 132. Water flows in from the water inlet 131, exchanges heat with the outside in the heat dissipation cavity 136 through the connecting cavity 137, and then flows out through the connecting cavity 137 and the water return port 132. This arrangement allows the water to exchange heat in multiple heat dissipation cavities 136 through the connecting cavity 137.

[0065] It is understandable that the heat dissipation cavity 136 does not need to be arranged at intervals, as long as the heat dissipation of water in the cavity can be achieved.

[0066] The number of heat dissipation chambers 136 in the same heat dissipation channel 13 can be set to four, six or eight. Of course, the number of heat dissipation chambers 136 can be set accordingly according to actual working conditions. Figure 3 and Figure 4 This is a situation where the heat dissipation cavities between multiple different heat dissipation channels are not connected to each other.

[0067] The cross-sectional shape of the heat dissipation cavity 136 is approximately square, and the connecting cavity 137 is connected to two diagonally opposite corners of the heat dissipation cavity 136 so that water can fully flow in the heat dissipation cavity 136 and dissipate heat.

[0068] It can be understood that in other embodiments, the cross-section of the heat dissipation cavity 136 can also be set to other shapes, such as a circle, as long as the water flow can dissipate heat in the cavity; the connecting cavity 137 can also be arbitrarily set on the periphery of the heat dissipation cavity 136, as long as the connection between the heat dissipation cavities 136 can be achieved.

[0069] In one embodiment, a heat dissipation cavity 136 may be provided between the water inlet channel 133 and the water return channel 134 to increase the heat dissipation area of ​​the water flow and improve the heat dissipation efficiency. Figure 5 As shown, Figure 4 This is a situation where multiple heat dissipation cavities in the same row of heat dissipation plates are interconnected.

[0070] In one embodiment, the plurality of heat dissipation cavities 136 are arranged in a linear array to facilitate processing of the plurality of heat dissipation cavities 136 and the corresponding connecting cavities 137 .

[0071] See also Figure 7 , Figure 7 for Figure 6 An enlarged schematic diagram of the first heat dissipation plate 11b at position A is shown;.

[0072] In one embodiment, the inner side of the heat sink 10 is concave inward, and the corresponding positions of the inner side are convex to form a plurality of heat dissipation protrusions 138; and the heat dissipation protrusions 138 are arranged in the heat dissipation cavity 136. The heat dissipation protrusions 138 are used to increase the contact area with the water flow and quickly transfer the heat on the heat sink 10 to the water flow. The water flow enters the heat dissipation cavity 136 and takes away the heat on the heat dissipation protrusions 138 through friction with the plurality of heat dissipation protrusions 138. Such a configuration can greatly increase the contact area of ​​the water flow in the heat dissipation channel 13b, so as to improve the heat dissipation efficiency of the water-cooled radiator 100.

[0073] Preferably, the heat dissipation protrusion 138 and the heat dissipation plate 10 are an integrated structure.

[0074] In one embodiment, the heat dissipation protrusions 138 are generally in the shape of needle clusters, and a plurality of heat dissipation protrusions 138 are arranged in rows and columns to form a needle cluster shape. This arrangement enables the water flow to form an orderly flow direction to avoid turbulence and other problems caused by the water flow in the heat dissipation channel 13b.

[0075] It is understandable that in other embodiments, the heat dissipation protrusion 138 can also be set to other shapes, such as fin shape, etc., as long as it can increase the contact area with the water flow in the heat dissipation channel 13b.

[0076] In one embodiment, a drainage channel 1381 is further provided in the heat dissipation cavity 136 at a position relatively close to the first flow channel, and the heat dissipation cavity 136 is respectively connected to the connecting cavity 137 through a plurality of drainage channels 1381. The drainage channels 1381 are used to concentrate the water flow and evenly flow to each row of heat dissipation protrusions 138, and to converge and flow out of the heat dissipation cavity 136 accordingly.

[0077] Of course, the above-mentioned heat dissipation protrusions 138 and drainage channels 1381 can also be applied to the above-mentioned first heat dissipation plates 11, 11a and the second heat dissipation plate 12.

[0078] Please also read Figures 8 to 15 , Figures 8 to 15 Schematic diagram of the structure of the heat dissipation protrusion 138 in multiple embodiments of the present invention.

[0079] The cross-sectional shape of the heat dissipation protrusion 138 can be a regular polygon or a circle. In this way, the heat dissipation protrusion 138 of a regular shape is easy to process and shape, and the water flow between the heat dissipation protrusions 138 can also be relatively uniform and stable. Regular polygons include but are not limited to the following shapes: square, rhombus, regular hexagon.

[0080] In one embodiment, a plurality of heat dissipation protrusions 138 are arranged in rows and columns facing each other; or, a plurality of heat dissipation protrusions 138 are arranged in rows and columns in an alternating manner. This arrangement can make the distances between the heat dissipation protrusions 138 equal, thereby facilitating the processing and shaping of the heat dissipation protrusions 138 and forming an orderly flow direction of the water flow. Figures 8 to 15 As shown, the heat dissipation protrusions 138 can be set in a variety of different shapes and arrangements.

[0081] The heat dissipation process of the water-cooled radiator 100 is described in detail below:

[0082] The water flows through the water inlet pipe 20 and the water inlet 131, enters the connecting cavity 137, and passes through the multiple connecting cavities 137 in turn to enter each heat dissipation channel 13; when the water flows into each heat dissipation cavity 136 in turn, the water flows and the heat dissipation protrusion 138 have sufficient friction to take away the heat on the heat dissipation protrusion 138; then, the water flows through the multiple connecting cavities 137 to converge to the return water port 132, and flows out through the return water pipe 30.

[0083] The present invention provides a water-cooled radiator 100, in which two heat dissipation plates 10 are connected by brazing, so that the water-cooled radiator 100 is not prone to defects such as welding leakage. At the same time, the two heat dissipation plates 10 can achieve the purpose of heat dissipation, which correspondingly improves the heat dissipation efficiency of the water-cooled radiator 100 to meet the heat dissipation requirements of medical equipment.

[0084] See also Fig.16 , Fig.16 The figure is a schematic flow chart of a method for preparing a water-cooled radiator according to one embodiment of the present invention.

[0085] The present invention provides a method for manufacturing a water-cooling radiator, the method comprising:

[0086] S10, processing symmetrical heat dissipation grooves and connecting grooves on the inner side surfaces of the first heat dissipation plate and the second heat dissipation plate respectively;

[0087] S20, aligning the heat dissipation grooves and the connecting grooves of the first heat dissipation plate and the second heat dissipation plate with each other, and joining and brazing the first heat dissipation plate and the second heat dissipation plate to form a heat dissipation channel between the first heat dissipation plate and the second heat dissipation plate;

[0088] S30, installing a water inlet pipe and a water return pipe on the first heat sink and / or the second heat sink, and connecting the water inlet pipe and the water return pipe to the heat sink flow channel respectively.

[0089] Specifically, in step 10, the inner side surfaces of the first heat sink and the second heat sink are respectively processed by a machining center to form corresponding heat sink grooves and connecting grooves; multiple first heat sinks and multiple second heat sinks can be arranged and welded to each other.

[0090] In step S20, the heat dissipation grooves and connecting grooves in the two heat dissipation plates are aligned with each other, and then a plate-shaped vacuum brazing material of the same size as the heat dissipation plate is placed between the two, and the thickness of the solder is about 0.05 mm. Then, a clamp is used to fix and clamp the front cold plate and the solder together, and put them into a vacuum brazing furnace. After rising to a specific temperature and maintaining it for a certain period of time, the temperature is taken out of the furnace and placed for a certain period of time. After it is completely solidified, the clamp is opened to start subsequent processing; a heat dissipation channel is formed between the two symmetrical heat dissipation grooves and the connecting grooves.

[0091] Of course, the thickness of the solder can be selected according to actual working conditions.

[0092] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0093] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A water-cooled radiator used in medical equipment, characterized in that: The water-cooled radiator comprises two heat dissipation plates (10), a water inlet pipe (20) and a water return pipe (30); the two heat dissipation plates (10) are respectively a first heat dissipation plate (11) and a second heat dissipation plate (12); a heat dissipation channel (13) is formed between the first heat dissipation plate (11) and the second heat dissipation plate (12); the water inlet pipe (20) and the water return pipe (30) are respectively connected to the heat dissipation channel (13); a water inlet (131) is provided on the heat dissipation plate (10) at a position relatively close to the water inlet pipe (20); and a water return port (132) is provided on the heat dissipation plate (10) at a position relatively close to the water return pipe (30).

2. The water-cooled radiator for medical equipment according to claim 1, characterized in that: The heat dissipation channel (13) comprises a water inlet channel (133), a water return channel (134) and a connecting channel (135); the water inlet channel (133) and the water return channel (134) respectively extend along the length direction of the first heat dissipation plate (11); one end of the water inlet channel (133) is connected to the water inlet (131), one end of the water return channel (134) is connected to the water return port (132), and the connecting channel (135) is transversely arranged between the water inlet channel (133) and the water return channel (134).

3. The water-cooled radiator for medical equipment according to claim 2, characterized in that: The number of the water return channels (134) is two; The two water return channels (134) are respectively arranged on both sides of the first heat sink (11) in the width direction; one end of the two water return channels (134) is respectively connected to the corresponding water return port (132); The number of the water inlet channel (133) is one, and the channel is arranged between the two water return channels (134).

4. The water-cooled radiator for medical equipment according to claim 2, characterized in that: The number of the water inlet (131) and the water return port (132) is one, and they are arranged on both sides of the heat dissipation plate (10) in the length direction.

5. The water-cooled radiator for medical equipment according to claim 2, characterized in that: A plurality of connecting channels (135) are provided between the water inlet channel (133) and the water return channel (134).

6. The water-cooled radiator for medical equipment according to claim 2, characterized in that: A heat dissipation cavity (136) is provided between the water inlet channel (133) and the water return channel (134).

7. A water-cooled radiator used in medical equipment, characterized in that: The water-cooled radiator 100 comprises two heat dissipation plates (10), the inner side surfaces of the two heat dissipation plates (10) are both recessed inwards to form heat dissipation grooves and connecting grooves, the corresponding heat dissipation grooves of the two heat dissipation plates (10) are arranged opposite to each other to form a heat dissipation cavity (136), and the corresponding connecting grooves of the two heat dissipation plates (10) are arranged opposite to each other to form a connecting cavity (137); a plurality of heat dissipation cavities (136) are arranged one by one at intervals and are interconnected through a plurality of connecting cavities (137) to form a heat dissipation channel (13) in the heat dissipation plate (10).

8. The water-cooled radiator for medical equipment according to claim 6 or 7, characterized in that: The plurality of heat dissipation cavities (136) are arranged in an array.

9. The water-cooled radiator for medical equipment according to claim 8, characterized in that: The plurality of heat dissipation cavities (136) in the same row of the heat dissipation plate (10) are interconnected.

10. The water-cooled radiator for medical equipment according to claim 7, characterized in that: The wall surface of the heat dissipation groove extends outward and is provided with a plurality of heat dissipation protrusions (138).

11. The water-cooled radiator for medical equipment according to claim 10, characterized in that: A drainage channel (1381) is formed between the heat dissipation protrusion (138) and the side wall of the heat dissipation cavity (136), and the drainage channel (1381) is connected to the connecting cavity (137); the drainage channel (1381) is used to concentrate the water flow and make it flow evenly toward the heat dissipation protrusion (138), and to converge and flow out of the heat dissipation cavity (13).

12. The water-cooled radiator for medical equipment according to any one of claims 1 to 7, characterized in that: The heat dissipation cavity (136) is respectively connected to the communication cavity (137) via a plurality of drainage channels (1381).

13. The water-cooled radiator for medical equipment according to any one of claims 1 to 7, characterized in that: The two heat dissipation plates (10) are connected by brazing.

14. The water-cooled radiator for medical equipment according to any one of claims 1 to 7, characterized in that: The heat dissipation plate (10) is made of a copper plate.

15. The water-cooled radiator for medical equipment according to any one of claims 1 to 7, characterized in that: The water-cooled radiator is applied to a magnetic resonance device, and is used to cool a gradient system in the magnetic resonance device.

16. A method for manufacturing a water-cooled radiator for medical equipment, characterized in that: The water-cooling radiator manufacturing method comprises: Symmetrical heat dissipation grooves and connecting grooves are respectively processed on the inner side surfaces of the first heat dissipation plate (11) and the second heat dissipation plate (12); The heat dissipation grooves and the connecting grooves of the first heat dissipation plate (11) and the second heat dissipation plate (12) are aligned with each other, and the first heat dissipation plate (11) and the second heat dissipation plate (12) are joined and brazed to form a heat dissipation channel (13) between the first heat dissipation plate (11) and the second heat dissipation plate (12); A water inlet pipe (20) and a water return pipe (30) are installed on the first heat dissipation plate (11) and / or the second heat dissipation plate (12), and the water inlet pipe (20) and the water return pipe (30) are respectively connected to the heat dissipation flow channel (13).

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