Composite radiator applied to gradient amplifier

Abstract

The present utility model relates to the technical field of magnetic resonance systems, and in particular, to a composite radiator applied to a gradient amplifier. The composite radiator applied to a gradient amplifier comprises a composite radiator main body and fins, and is characterized in that the composite radiator main body is of a rectangular module structure; the fins are arranged in the composite radiator main body; one end of each fin is connected to a water inlet, and the other end of each fin is connected to a water outlet by means of a composite radiator internal water channel structure; and a capacitor array discharge resistor is arranged on the composite radiator main body and located on one side of each fin. Compared with the prior art, the composite radiator has a simple structure and is easily used; by means of combining functions of a water cooler and a water cooling plate, the composite radiator achieves the effect of cooling circulating air inside a cabinet, and also solves the problem of heat dissipation of the capacitor array discharge resistor, thus optimizing a heat dissipation effect on the cabinet, reducing the environment temperature inside the cabinet, and improving the performance of electronic devices in the cabinet and prolonging the service lives of the electronic devices; and the composite radiator is easily disassembled, thus facilitating maintenance and transportation.

Description

A composite radiator used in gradient amplifier Technical Field

[0001] The utility model relates to the technical field of magnetic resonance systems, in particular to a composite radiator used in a gradient amplifier. Background Art

[0002] The gradient amplifier is a core component of an MRI system. It generates high levels of heat, requiring prompt management during normal operation. Failure to do so can cause the temperature inside the cabinet to rise, reducing the lifespan and performance of electronic components, and even damaging them. In particular, the discharge resistors in the capacitor arrays of the gradient amplifier contribute significantly to this heat, generating hundreds of watts of heat. Currently, cooling of these resistors is typically achieved through air cooling or natural radiation, which is inefficient and negatively impacts the temperature environment within the cabinet. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a composite radiator for use in a gradient amplifier. The composite radiator has a simple structure and is easy to use. By combining the functions of a water cooler and a water cooling plate, the composite radiator can achieve a circulating air cooling effect inside the cabinet and solve the heat dissipation problem of the capacitor array discharge resistor.

[0004] To achieve the above objectives, a composite radiator for use in a gradient amplifier is designed, comprising a composite radiator body and fins. The composite radiator body is characterized in that: the composite radiator body is a rectangular modular structure, and a fin is provided inside the composite radiator body. One end of the fin is connected to the water inlet, and the other end of the fin is connected to the water outlet through the internal water channel structure of the composite radiator; a capacitor array discharge resistor is provided on the composite radiator body located on one side of the fin.

[0005] The water inlet is located on one side of the composite radiator body, and the water outlet is located on the other side of the composite radiator body.

[0006] A composite radiator isolation groove is provided on the composite radiator body located between the fins and the capacitor array discharge resistor.

[0007] A plurality of fixing holes are respectively provided on the upper and lower sides of the composite radiator body.

[0008] The composite radiator body is mounted on the lower portion of the air duct isolation plate by means of bolts, and a fan assembly is mounted on the upper portion of the air duct isolation plate.

[0009] Located on the outside of the air duct isolation plate and connected to the cabinet door panel.

[0010] Compared with the prior art, the present invention provides a composite radiator for use in a gradient amplifier, which has a simple structure and is easy to use. By combining the functions of a water cooler and a water-cooling plate, it not only achieves a cooling effect of circulating air inside the cabinet, but also solves the heat dissipation problem of the capacitor array discharge resistor, thereby optimizing the heat dissipation effect of the cabinet, reducing the internal ambient temperature of the cabinet, and improving the performance and life of the electronic components in the cabinet. The composite radiator is easy to disassemble and is convenient for maintenance and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] FIG1 is a schematic structural diagram of the utility model.

[0012] FIG2 is a schematic diagram of the internal structure of the present invention.

[0013] Figures 3 and 4 are schematic diagrams of the assembly of the present invention installed inside a cabinet.

[0014] Referring to Figures 1 to 3, 1 is the main body of the composite radiator, 2 is the fin, 3 is the water inlet, 4 is the water outlet, 5 is the capacitor array discharge resistor, 6 is the composite radiator isolation groove, 7 is the fixing hole, 8 is the internal water channel structure of the composite radiator, 9 is the cabinet door panel, 10 is the fan group, 11 is the air duct isolation plate, 12 is the cabinet top plate, and 13 is the electronic device area. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] As shown in Figure 1 and Figure 2, the composite radiator body 1 is a rectangular module structure. A fin 2 is provided inside the composite radiator body 1. One end of the fin 2 is connected to the water inlet 3, and the other end of the fin 2 is connected to the water outlet 4 through the internal water channel structure 8 of the composite radiator; a capacitor array discharge resistor 5 is provided on the composite radiator body 1 located on one side of the fin 2.

[0017] The water inlet 3 is located on one side of the composite radiator body 1 , and the water outlet 4 is located on the other side of the composite radiator body 1 .

[0018] A composite radiator isolation groove 6 is provided on the composite radiator body 1 located between the fins 2 and the capacitor array discharge resistor 5 .

[0019] A plurality of fixing holes 7 are respectively provided on the upper and lower sides of the composite radiator body 1 .

[0020] As shown in FIG3 and FIG4 , the composite radiator body 1 is mounted on the lower portion of the air duct isolation plate 11 by means of bolts, and the fan assembly 10 is mounted on the upper portion of the air duct isolation plate 11 .

[0021] The outer side of the air duct isolation plate 11 is connected to the cabinet door panel 9 .

[0022] The composite radiator body 1 consists of two parts. One side is a water cooler composed of a fin 2 structure that dissipates heat to the air, and the other side is the internal water channel structure 8 of the composite radiator, which dissipates heat to the capacitor array discharge resistor 5 installed on it; it can effectively reduce the internal ambient temperature of the cabinet and improve the working performance and life of electronic equipment.

[0023] The left and right sides of the composite radiator body 1 are kept as separate as possible to prevent the heat on the water channel structure 8 side inside the composite radiator from being transferred to the fin side.

[0024] Fin 2 can also be directly milled into grooves or copper pipes can be buried as water channels, and the form is not limited.

[0025] Fins 2 are used for air cooling, while the internal water channel structure 8 on the right side of the composite radiator dissipates heat from the capacitor array discharge resistor 5. The composite radiator body 1 has a water inlet 3 and outlet 4, which are piped to an external water cooler. The coolant output from the water cooler first passes through fins 2 to cool the air before flowing through the resistor heating area to dissipate heat. During installation, the composite radiator body 1 is tightly sealed against the cabinet door panel 9 on all sides to ensure that as much air as possible passes through the fins 2 on the composite radiator body 1.

[0026] The composite heat sink isolation groove 6 is used to prevent the heat from the right resistor area from being transferred to the fin area.

[0027] As shown in Figures 3 and 4, the entire composite radiator body 1 is fixed to the lower part of the air duct isolation plate 11 by screws passing through the fixing holes 7. Discharge resistors can be placed on both sides of the composite radiator resistance area. The cabinet door panels and the cabinet body are sealed. In Figure 3, the fan group 10 is placed on the air duct isolation plate 11 to blow air from left to right. At the bottom of the cabinet, the air is cooled from right to left through the composite radiator body 1, achieving air self-circulation and cooling effect. The cooled air cools and dissipates heat for the electronic components in the electronic component area 13, stabilizing the internal ambient temperature of the cabinet.

[0028] The utility model can integrate a water cooler for cooling the air and a water cooling plate for dissipating heat to the discharge resistor of the capacitor array, thereby reducing the volume of the radiator, optimizing the heat dissipation effect inside the cabinet, lowering the ambient temperature, and improving the performance and service life of various chips and electronic devices in the cabinet.

Claims

1. A composite heat sink used in a gradient amplifier, comprising a composite heat sink body and fins, characterized in that: The composite radiator body (1) is a rectangular module structure. A fin (2) is provided inside the composite radiator body (1). One end of the fin (2) is connected to a water inlet (3), and the other end of the fin (2) is connected to a water outlet (4) via an internal water channel structure (8) of the composite radiator. A capacitor array discharge resistor (5) is provided on the composite radiator body (1) located on one side of the fin (2).

2. The composite heat sink used in a gradient amplifier according to claim 1, characterized in that: The water inlet (3) is located on one side of the composite radiator body (1), and the water outlet (4) is located on the other side of the composite radiator body (1).

3. The composite heat sink used in a gradient amplifier according to claim 1, characterized in that: A composite heat sink isolation groove (6) is provided on the composite heat sink body (1) located between the fin (2) and the capacitor array discharge resistor (5).

4. The composite heat sink used in a gradient amplifier according to claim 1, characterized in that: A plurality of fixing holes (7) are respectively provided on the upper and lower sides of the composite radiator body (1).

5. The composite heat sink used in a gradient amplifier according to claim 1, characterized in that: The composite radiator body (1) is mounted on the lower part of the air duct isolation plate (11) by means of bolts, and a fan assembly (10) is mounted on the upper part of the air duct isolation plate (11).

6. The composite heat sink used in a gradient amplifier according to claim 5, characterized in that: The outer side of the air duct isolation plate (11) is connected to the cabinet door plate (9).

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